From e99b2d11ae1255d8356c30390aec2801fb8d6722 Mon Sep 17 00:00:00 2001 From: Maxim Schuwalow Date: Sat, 18 Jan 2025 18:13:14 +0100 Subject: [PATCH 1/7] Support invoking wasi:http/incoming-handler --- Cargo.lock | 3 + Cargo.toml | 1 + golem-common/Cargo.toml | 1 + golem-common/src/lib.rs | 2 + golem-common/src/model/component_metadata.rs | 14 +- golem-common/src/model/exports.rs | 21 +- .../virtual_exports/http_incoming_handler.rs | 524 ++ golem-common/src/virtual_exports/mod.rs | 15 + golem-worker-executor-base/Cargo.toml | 2 + golem-worker-executor-base/src/invocation.rs | 251 +- golem-worker-executor-base/src/lib.rs | 1 + .../http_incoming_handler.rs | 125 + .../src/virtual_export_compat/mod.rs | 15 + golem-worker-executor-base/src/workerctx.rs | 2 + golem-worker-executor-base/tests/wasi.rs | 44 + .../wasi-http-incoming-request-handler.wasm | Bin 0 -> 54995 bytes .../Cargo.lock | 25 + .../Cargo.toml | 25 + .../src/bindings.rs | 7502 +++++++++++++++++ .../src/lib.rs | 19 + .../wit/deps.lock | 29 + .../wit/deps.toml | 1 + .../wit/deps/cli/command.wit | 10 + .../wit/deps/cli/environment.wit | 22 + .../wit/deps/cli/exit.wit | 17 + .../wit/deps/cli/imports.wit | 36 + .../wit/deps/cli/run.wit | 6 + .../wit/deps/cli/stdio.wit | 26 + .../wit/deps/cli/terminal.wit | 62 + .../wit/deps/clocks/monotonic-clock.wit | 50 + .../wit/deps/clocks/timezone.wit | 55 + .../wit/deps/clocks/wall-clock.wit | 46 + .../wit/deps/clocks/world.wit | 11 + .../wit/deps/filesystem/preopens.wit | 11 + .../wit/deps/filesystem/types.wit | 672 ++ .../wit/deps/filesystem/world.wit | 9 + .../wit/deps/http/handler.wit | 49 + .../wit/deps/http/proxy.wit | 50 + .../wit/deps/http/types.wit | 673 ++ .../wit/deps/io/error.wit | 34 + .../wit/deps/io/poll.wit | 47 + .../wit/deps/io/streams.wit | 290 + .../wit/deps/io/world.wit | 10 + .../wit/deps/random/insecure-seed.wit | 27 + .../wit/deps/random/insecure.wit | 25 + .../wit/deps/random/random.wit | 29 + .../wit/deps/random/world.wit | 13 + .../wit/deps/sockets/instance-network.wit | 11 + .../wit/deps/sockets/ip-name-lookup.wit | 56 + .../wit/deps/sockets/network.wit | 169 + .../wit/deps/sockets/tcp-create-socket.wit | 30 + .../wit/deps/sockets/tcp.wit | 387 + .../wit/deps/sockets/udp-create-socket.wit | 30 + .../wit/deps/sockets/udp.wit | 288 + .../wit/deps/sockets/world.wit | 19 + .../wit/world.wit | 6 + 56 files changed, 11829 insertions(+), 69 deletions(-) create mode 100644 golem-common/src/virtual_exports/http_incoming_handler.rs create mode 100644 golem-common/src/virtual_exports/mod.rs create mode 100644 golem-worker-executor-base/src/virtual_export_compat/http_incoming_handler.rs create mode 100644 golem-worker-executor-base/src/virtual_export_compat/mod.rs create mode 100644 test-components/wasi-http-incoming-request-handler.wasm create mode 100644 test-components/wasi-http-incoming-request-handler/Cargo.lock create mode 100644 test-components/wasi-http-incoming-request-handler/Cargo.toml create mode 100644 test-components/wasi-http-incoming-request-handler/src/bindings.rs create mode 100644 test-components/wasi-http-incoming-request-handler/src/lib.rs create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps.lock create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps.toml create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/cli/command.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/cli/environment.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/cli/exit.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/cli/imports.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/cli/run.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/cli/stdio.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/cli/terminal.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/clocks/monotonic-clock.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/clocks/timezone.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/clocks/wall-clock.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/clocks/world.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/filesystem/preopens.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/filesystem/types.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/filesystem/world.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/http/handler.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/http/proxy.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/http/types.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/io/error.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/io/poll.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/io/streams.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/io/world.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/random/insecure-seed.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/random/insecure.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/random/random.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/random/world.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/sockets/instance-network.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/sockets/ip-name-lookup.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/sockets/network.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/sockets/tcp-create-socket.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/sockets/tcp.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/sockets/udp-create-socket.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/sockets/udp.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/deps/sockets/world.wit create mode 100644 test-components/wasi-http-incoming-request-handler/wit/world.wit diff --git a/Cargo.lock b/Cargo.lock index 3c4c2c6e24..02f5a3c779 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -3747,6 +3747,7 @@ dependencies = [ "rand", "range-set-blaze", "regex", + "semver", "serde", "serde_json", "serde_yaml", @@ -4224,6 +4225,7 @@ dependencies = [ "async-fs", "async-lock", "async-mutex", + "async-scoped", "async-stream", "async-trait", "aws-config", @@ -4260,6 +4262,7 @@ dependencies = [ "hex", "http 1.2.0", "http-body 1.0.1", + "http-body-util", "humansize", "humantime-serde", "hyper 1.5.2", diff --git a/Cargo.toml b/Cargo.toml index 1578ab232a..0e9775237c 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -64,6 +64,7 @@ exclude = [ "test-components/update-test-v3-11", "test-components/update-test-v4", "test-components/variant-service", + "test-components/wasi-http-incoming-request-handler", "test-components/write-stderr", "test-components/write-stdout", ] diff --git a/golem-common/Cargo.toml b/golem-common/Cargo.toml index 0c0be48346..eb5cba0020 100644 --- a/golem-common/Cargo.toml +++ b/golem-common/Cargo.toml @@ -52,6 +52,7 @@ prost-types = { workspace = true, optional = true } rand = { workspace = true } range-set-blaze = "0.1.16" regex = { workspace = true } +semver = { workspace = true } serde = { workspace = true } serde_json = { workspace = true } serde_yaml = { workspace = true } diff --git a/golem-common/src/lib.rs b/golem-common/src/lib.rs index 5d084defe4..d7581adf7b 100644 --- a/golem-common/src/lib.rs +++ b/golem-common/src/lib.rs @@ -56,6 +56,8 @@ pub mod tracing; pub mod uri; +pub mod virtual_exports; + #[cfg(test)] test_r::enable!(); diff --git a/golem-common/src/model/component_metadata.rs b/golem-common/src/model/component_metadata.rs index 138321e593..980e19ade2 100644 --- a/golem-common/src/model/component_metadata.rs +++ b/golem-common/src/model/component_metadata.rs @@ -16,7 +16,7 @@ use bincode::{Decode, Encode}; use std::collections::HashMap; use std::fmt::{self, Display, Formatter}; -use crate::SafeDisplay; +use crate::{virtual_exports, SafeDisplay}; use golem_wasm_ast::analysis::AnalysedFunctionParameter; use golem_wasm_ast::core::Mem; use golem_wasm_ast::metadata::Producers as WasmAstProducers; @@ -182,6 +182,7 @@ impl RawComponentMetadata { .map_err(ComponentProcessingError::Analysis)?; add_resource_drops(&mut exports); + add_virtual_exports(&mut exports); let exports = exports.into_iter().collect::>(); @@ -327,6 +328,17 @@ fn drop_from_constructor(constructor: &AnalysedFunction) -> AnalysedFunction { } } +fn add_virtual_exports(exports: &mut Vec) { + // Some interfaces like the golem/http:incoming-handler do not exist on the component, + // but are dynamically created by the worker executor based on other existing interfaces. + + if virtual_exports::http_incoming_handler::implements_required_interfaces(exports) { + exports.extend(vec![ + virtual_exports::http_incoming_handler::ANALYZED_EXPORT.clone(), + ]); + }; +} + #[cfg(feature = "protobuf")] mod protobuf { use crate::model::component_metadata::{ diff --git a/golem-common/src/model/exports.rs b/golem-common/src/model/exports.rs index 0675da80cf..adc7c6d2c2 100644 --- a/golem-common/src/model/exports.rs +++ b/golem-common/src/model/exports.rs @@ -16,24 +16,7 @@ use golem_wasm_ast::analysis::{AnalysedExport, AnalysedFunction, AnalysedInstanc use rib::{ParsedFunctionName, ParsedFunctionReference, ParsedFunctionSite}; -pub trait AnalysedExportExtensions { - fn function_names(&self) -> Vec; -} - -impl AnalysedExportExtensions for AnalysedExport { - fn function_names(&self) -> Vec { - match self { - AnalysedExport::Instance(instance) => instance - .functions - .iter() - .map(|function| format!("{}.{{{}}}", instance.name, function.name)) - .collect(), - AnalysedExport::Function(function) => vec![function.name.clone()], - } - } -} - -pub fn instances(exports: &Vec) -> Vec { +fn instances(exports: &Vec) -> Vec { let mut instances = vec![]; for export in exports { if let AnalysedExport::Instance(instance) = export { @@ -43,7 +26,7 @@ pub fn instances(exports: &Vec) -> Vec { instances } -pub fn functions(exports: &Vec) -> Vec { +fn functions(exports: &Vec) -> Vec { let mut functions = vec![]; for export in exports { if let AnalysedExport::Function(function) = export { diff --git a/golem-common/src/virtual_exports/http_incoming_handler.rs b/golem-common/src/virtual_exports/http_incoming_handler.rs new file mode 100644 index 0000000000..45215c8602 --- /dev/null +++ b/golem-common/src/virtual_exports/http_incoming_handler.rs @@ -0,0 +1,524 @@ +// Copyright 2024-2025 Golem Cloud +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +use bytes::Bytes; +use golem_wasm_ast::analysis::AnalysedType; +use golem_wasm_ast::analysis::{AnalysedExport, AnalysedFunction, AnalysedInstance}; +use golem_wasm_rpc::Value; +use lazy_static::lazy_static; +use semver::Version; + +// The following wit is modelled here: +// +// type fields = list>>; +// type body = list; +// +// record body-and-trailers { +// body: body, +// trailers: option +// } +// +// record request { +// method: method, +// path-with-query: string, +// scheme: scheme, +// authority: string, +// headers: simple-fields, +// body-and-trailers: option +// } +// +// record response { +// status: status-code, +// body: option +// } +// +// handle: func(request: request) -> response; +// + +lazy_static! { + pub static ref REQUIRED_FUNCTIONS: Vec = vec![ + rib::ParsedFunctionName { + site: rib::ParsedFunctionSite::PackagedInterface { + namespace: "wasi".to_string(), + package: "http".to_string(), + interface: "incoming-handler".to_string(), + version: Some(rib::SemVer(Version::new(0, 2, 0))) + }, + function: rib::ParsedFunctionReference::Function { + function: "handle".to_string() + } + }, + rib::ParsedFunctionName { + site: rib::ParsedFunctionSite::PackagedInterface { + namespace: "wasi".to_string(), + package: "http".to_string(), + interface: "incoming-handler".to_string(), + version: Some(rib::SemVer(Version::new(0, 2, 1))) + }, + function: rib::ParsedFunctionReference::Function { + function: "handle".to_string() + } + }, + rib::ParsedFunctionName { + site: rib::ParsedFunctionSite::PackagedInterface { + namespace: "wasi".to_string(), + package: "http".to_string(), + interface: "incoming-handler".to_string(), + version: Some(rib::SemVer(Version::new(0, 2, 2))) + }, + function: rib::ParsedFunctionReference::Function { + function: "handle".to_string() + } + }, + rib::ParsedFunctionName { + site: rib::ParsedFunctionSite::PackagedInterface { + namespace: "wasi".to_string(), + package: "http".to_string(), + interface: "incoming-handler".to_string(), + version: Some(rib::SemVer(Version::new(0, 2, 3))) + }, + function: rib::ParsedFunctionReference::Function { + function: "handle".to_string() + } + } + ]; + pub static ref PARSED_FUNCTION_NAME: rib::ParsedFunctionName = rib::ParsedFunctionName { + site: rib::ParsedFunctionSite::PackagedInterface { + namespace: "golem".to_string(), + package: "http".to_string(), + interface: "incoming-handler".to_string(), + version: None + }, + function: rib::ParsedFunctionReference::Function { + function: "handle".to_string() + } + }; + pub static ref ANALYZED_FUNCTION_PARAMETERS: Vec = { + use golem_wasm_ast::analysis::*; + vec![AnalysedFunctionParameter { + name: "request".to_string(), + typ: IncomingHttpRequest::analysed_type(), + }] + }; + pub static ref ANALYZED_FUNCTION_RESULTS: Vec = { + use golem_wasm_ast::analysis::*; + vec![AnalysedFunctionResult { + name: None, + typ: HttpResponse::analysed_type(), + }] + }; + pub static ref ANALYZED_FUNCTION: AnalysedFunction = { + use golem_wasm_ast::analysis::*; + + AnalysedFunction { + name: "handle".to_string(), + parameters: ANALYZED_FUNCTION_PARAMETERS.clone(), + results: ANALYZED_FUNCTION_RESULTS.clone(), + } + }; + pub static ref ANALYZED_EXPORT: AnalysedExport = AnalysedExport::Instance(AnalysedInstance { + name: "golem:http/incoming-handler".to_string(), + functions: vec![ANALYZED_FUNCTION.clone()] + }); +} + +pub fn implements_required_interfaces(exports: &[AnalysedExport]) -> bool { + let compatible_interfaces = [ + "wasi:http/incoming-handler@0.2.0".to_string(), + "wasi:http/incoming-handler@0.2.1".to_string(), + "wasi:http/incoming-handler@0.2.2".to_string(), + "wasi:http/incoming-handler@0.2.3".to_string(), + ]; + + exports.iter().any(|ae| match ae { + AnalysedExport::Instance(AnalysedInstance { name, .. }) => { + compatible_interfaces.contains(name) + } + _ => false, + }) +} + +macro_rules! extract { + ($expression:expr, $pattern:pat $(if $guard:expr)? $(,)?, $ret:expr, $err:expr) => { + match $expression { + $pattern $(if $guard)? => Ok($ret), + _ => Err($err) + } + }; +} + +pub enum HttpMethod { + GET, + HEAD, + POST, + PUT, + DELETE, + CONNECT, + OPTIONS, + TRACE, + PATCH, + Custom(String), +} + +impl HttpMethod { + pub fn analyzed_type() -> AnalysedType { + use golem_wasm_ast::analysis::*; + AnalysedType::Variant(TypeVariant { + cases: vec![ + NameOptionTypePair { + name: "GET".to_string(), + typ: None, + }, + NameOptionTypePair { + name: "HEAD".to_string(), + typ: None, + }, + NameOptionTypePair { + name: "POST".to_string(), + typ: None, + }, + NameOptionTypePair { + name: "PUT".to_string(), + typ: None, + }, + NameOptionTypePair { + name: "DELETE".to_string(), + typ: None, + }, + NameOptionTypePair { + name: "CONNECT".to_string(), + typ: None, + }, + NameOptionTypePair { + name: "OPTIONS".to_string(), + typ: None, + }, + NameOptionTypePair { + name: "TRACE".to_string(), + typ: None, + }, + NameOptionTypePair { + name: "PATCH".to_string(), + typ: None, + }, + NameOptionTypePair { + name: "Custom".to_string(), + typ: Some(AnalysedType::Str(TypeStr)), + }, + ], + }) + } + + pub fn from_value(value: &Value) -> Result { + let (case_idx, case_value) = extract!( + value, + Value::Variant { + case_idx, + case_value + }, + (case_idx, case_value), + "not a variant" + )?; + + match case_idx { + 0 => Ok(HttpMethod::GET), + 1 => Ok(HttpMethod::HEAD), + 2 => Ok(HttpMethod::POST), + 3 => Ok(HttpMethod::PUT), + 4 => Ok(HttpMethod::DELETE), + 5 => Ok(HttpMethod::CONNECT), + 6 => Ok(HttpMethod::OPTIONS), + 7 => Ok(HttpMethod::TRACE), + 8 => Ok(HttpMethod::PATCH), + 9 => { + let value = case_value.as_ref().ok_or("no case_value provided")?; + let custom_method = + extract!(*value.clone(), Value::String(inner), inner, "not a string")?; + Ok(HttpMethod::Custom(custom_method)) + } + _ => Err("unknown case")?, + } + } +} + +impl TryInto for HttpMethod { + type Error = http::method::InvalidMethod; + + fn try_into(self) -> Result { + match self { + Self::GET => Ok(http::Method::GET), + Self::HEAD => Ok(http::Method::HEAD), + Self::POST => Ok(http::Method::POST), + Self::PUT => Ok(http::Method::PUT), + Self::DELETE => Ok(http::Method::DELETE), + Self::CONNECT => Ok(http::Method::CONNECT), + Self::OPTIONS => Ok(http::Method::OPTIONS), + Self::TRACE => Ok(http::Method::TRACE), + Self::PATCH => Ok(http::Method::PATCH), + Self::Custom(method) => http::Method::from_bytes(method.as_bytes()), + } + } +} + +pub struct HttpFields(pub Vec<(String, Bytes)>); + +impl HttpFields { + pub fn analyzed_type() -> AnalysedType { + use golem_wasm_ast::analysis::*; + AnalysedType::List(TypeList { + inner: Box::new(AnalysedType::Tuple(TypeTuple { + items: vec![ + AnalysedType::Str(TypeStr), + AnalysedType::List(TypeList { + inner: Box::new(AnalysedType::U8(TypeU8)), + }), + ], + })), + }) + } + + pub fn from_value(value: &Value) -> Result { + let mut result = Vec::new(); + + let list_values = extract!(value, Value::List(inner), inner, "not a list")?; + + for lv in list_values { + let tuple_value = extract!(lv, Value::Tuple(inner), inner, "not a tuple")?; + + let (name, values) = extract!( + tuple_value.as_slice(), + [Value::String(name), Value::List(values)], + (name.clone(), values), + "incompatible types" + )?; + + let mut result_value = Vec::new(); + + for v in values { + let v = extract!(v, Value::U8(inner), *inner, "not a byte")?; + result_value.push(v); + } + + result.push((name, Bytes::from(result_value))); + } + + Ok(HttpFields(result)) + } + + pub fn to_value(self) -> Value { + let mut list_values = Vec::new(); + + for (name, value) in self.0 { + let converted_bytes: Vec = value.into_iter().map(Value::U8).collect::>(); + + list_values.push(Value::Tuple(vec![ + Value::String(name), + Value::List(converted_bytes), + ])); + } + Value::List(list_values) + } +} + +pub struct HttpBodyContent(pub Bytes); + +impl HttpBodyContent { + pub fn analyzed_type() -> AnalysedType { + use golem_wasm_ast::analysis::*; + AnalysedType::List(TypeList { + inner: Box::new(AnalysedType::U8(TypeU8)), + }) + } + + pub fn from_value(value: &Value) -> Result { + let mut result = Vec::new(); + + let list_values = extract!(value, Value::List(inner), inner, "not a list")?; + + for lv in list_values { + let byte_value = extract!(lv, Value::U8(inner), *inner, "not a byte")?; + result.push(byte_value); + } + + Ok(HttpBodyContent(Bytes::from(result))) + } + + pub fn to_value(self) -> Value { + let converted = self.0.into_iter().map(Value::U8).collect::>(); + Value::List(converted) + } +} + +pub struct HttpBody { + pub content: HttpBodyContent, + pub trailers: Option, +} + +impl HttpBody { + pub fn analysed_type() -> AnalysedType { + use golem_wasm_ast::analysis::*; + + AnalysedType::Record(TypeRecord { + fields: vec![ + NameTypePair { + name: "content".to_string(), + typ: HttpBodyContent::analyzed_type(), + }, + NameTypePair { + name: "trailers".to_string(), + typ: AnalysedType::Option(TypeOption { + inner: Box::new(HttpFields::analyzed_type()), + }), + }, + ], + }) + } + + pub fn from_value(value: &Value) -> Result { + let record_values = extract!(value, Value::Record(inner), inner, "not a record")?; + + if record_values.len() != 2 { + Err("wrong length of record data")?; + }; + + let content = HttpBodyContent::from_value(&record_values[0])?; + let trailers = extract!( + &record_values[1], + Value::Option(inner), + match inner { + Some(inner) => Some(HttpFields::from_value(inner)?), + None => None, + }, + "not an option" + )?; + + Ok(HttpBody { content, trailers }) + } + pub fn to_value(self) -> Value { + let converted_content = self.content.to_value(); + let converted_trailers = Value::Option(self.trailers.map(|t| Box::new(t.to_value()))); + + Value::Record(vec![converted_content, converted_trailers]) + } +} + +pub struct IncomingHttpRequest { + pub uri: String, + pub method: HttpMethod, + pub headers: HttpFields, + pub body: Option, +} + +impl IncomingHttpRequest { + pub fn analysed_type() -> AnalysedType { + use golem_wasm_ast::analysis::*; + + AnalysedType::Record(TypeRecord { + fields: vec![ + NameTypePair { + name: "uri".to_string(), + typ: AnalysedType::Str(TypeStr), + }, + NameTypePair { + name: "method".to_string(), + typ: HttpMethod::analyzed_type(), + }, + NameTypePair { + name: "headers".to_string(), + typ: HttpFields::analyzed_type(), + }, + NameTypePair { + name: "body".to_string(), + typ: AnalysedType::Option(TypeOption { + inner: Box::new(HttpBody::analysed_type()), + }), + }, + ], + }) + } + + pub fn from_function_input(inputs: &[Value]) -> Result { + if inputs.len() != 1 { + Err("invalid number of inputs")?; + }; + Self::from_value(&inputs[0]) + .map_err(|e| format!("Failed parsing input as http request: ${e}")) + } + + fn from_value(value: &Value) -> Result { + let record_values = extract!(value, Value::Record(inner), inner, "not a record")?; + + if record_values.len() != 4 { + Err("wrong length of record data")?; + }; + + let uri = extract!( + record_values[0].clone(), + Value::String(inner), + inner, + "not a string" + )?; + let method = HttpMethod::from_value(&record_values[1])?; + let headers = HttpFields::from_value(&record_values[2])?; + let body = extract!( + &record_values[3], + Value::Option(inner), + match inner { + Some(v) => Some(HttpBody::from_value(v)?), + None => None, + }, + "not an option" + )?; + + Ok(IncomingHttpRequest { + uri, + method, + headers, + body, + }) + } +} + +pub struct HttpResponse { + pub status: u16, + pub body: Option, +} + +impl HttpResponse { + pub fn analysed_type() -> AnalysedType { + use golem_wasm_ast::analysis::*; + + AnalysedType::Record(TypeRecord { + fields: vec![ + NameTypePair { + name: "status".to_string(), + typ: AnalysedType::U16(TypeU16), + }, + NameTypePair { + name: "body".to_string(), + typ: AnalysedType::Option(TypeOption { + inner: Box::new(HttpBody::analysed_type()), + }), + }, + ], + }) + } + + pub fn to_value(self) -> Value { + let converted_status: Value = Value::U16(self.status); + let converted_body = Value::Option(self.body.map(|b| Box::new(b.to_value()))); + + Value::Record(vec![converted_status, converted_body]) + } +} diff --git a/golem-common/src/virtual_exports/mod.rs b/golem-common/src/virtual_exports/mod.rs new file mode 100644 index 0000000000..a3d76a162c --- /dev/null +++ b/golem-common/src/virtual_exports/mod.rs @@ -0,0 +1,15 @@ +// Copyright 2024-2025 Golem Cloud +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +pub mod http_incoming_handler; diff --git a/golem-worker-executor-base/Cargo.toml b/golem-worker-executor-base/Cargo.toml index 56ed5b0352..bfecadd834 100644 --- a/golem-worker-executor-base/Cargo.toml +++ b/golem-worker-executor-base/Cargo.toml @@ -25,6 +25,7 @@ golem-wasm-ast = { path = "../wasm-ast", version = "0.0.0" } golem-wasm-rpc = { path = "../wasm-rpc", version = "0.0.0", default-features = false, features = ["host"] } anyhow = { workspace = true } +async-scoped = "0.9.0" async-fs = { workspace = true } async-lock = "3.4.0" async-mutex = "1.4.0" @@ -52,6 +53,7 @@ gethostname = "0.5.0" hex = { workspace = true } http = { workspace = true } http-body = "1.0.1" # keep in sync with wasmtime +http-body-util = "0.1.0" # keep in sync with wasmtime humansize = { workspace = true } humantime-serde = { workspace = true } hyper = { workspace = true } diff --git a/golem-worker-executor-base/src/invocation.rs b/golem-worker-executor-base/src/invocation.rs index 5f50de7f79..3ad09ca4a3 100644 --- a/golem-worker-executor-base/src/invocation.rs +++ b/golem-worker-executor-base/src/invocation.rs @@ -12,19 +12,23 @@ // See the License for the specific language governing permissions and // limitations under the License. +use crate::error::GolemError; +use crate::metrics::wasm::{record_invocation, record_invocation_consumption}; +use crate::model::{InterruptKind, TrapType}; +use crate::virtual_export_compat; +use crate::workerctx::{PublicWorkerIo, WorkerCtx}; +use anyhow::anyhow; use golem_common::model::oplog::{WorkerError, WorkerResourceId}; use golem_common::model::WorkerStatus; +use golem_common::virtual_exports; use golem_wasm_rpc::wasmtime::{decode_param, encode_output, type_to_analysed_type}; use golem_wasm_rpc::Value; use rib::{ParsedFunctionName, ParsedFunctionReference}; use tracing::{debug, error}; use wasmtime::component::{Func, Val}; use wasmtime::{AsContextMut, StoreContextMut}; - -use crate::error::GolemError; -use crate::metrics::wasm::{record_invocation, record_invocation_consumption}; -use crate::model::{InterruptKind, TrapType}; -use crate::workerctx::{PublicWorkerIo, WorkerCtx}; +use wasmtime_wasi_http::bindings::Proxy; +use wasmtime_wasi_http::WasiHttpView; /// Invokes a function on a worker. /// @@ -108,10 +112,9 @@ pub fn find_first_available_function( let mut store = store.as_context_mut(); for name in names { let parsed = ParsedFunctionName::parse(&name).ok()?; - if find_function(&mut store, instance, &parsed) - .ok() - .flatten() - .is_some() + + if let Ok(FindFunctionResult::ExportedFunction(_)) = + find_function(&mut store, instance, &parsed) { return Some(name); } @@ -123,7 +126,21 @@ fn find_function<'a, Ctx: WorkerCtx>( mut store: &mut StoreContextMut<'a, Ctx>, instance: &'a wasmtime::component::Instance, parsed_function_name: &ParsedFunctionName, -) -> Result, GolemError> { +) -> Result { + if *parsed_function_name == *virtual_exports::http_incoming_handler::PARSED_FUNCTION_NAME { + return Ok(FindFunctionResult::IncomingHttpHandlerBridge); + }; + + let parsed_function_ref = parsed_function_name.function(); + + if matches!( + parsed_function_ref, + ParsedFunctionReference::RawResourceDrop { .. } + | ParsedFunctionReference::IndexedResourceDrop { .. } + ) { + return Ok(FindFunctionResult::ResourceDrop); + } + match &parsed_function_name.site().interface_name() { Some(interface_name) => { let exported_instance_idx = instance @@ -132,6 +149,7 @@ fn find_function<'a, Ctx: WorkerCtx>( "could not load exports for interface {}", interface_name )))?; + let func = instance .get_export( &mut store, @@ -141,38 +159,28 @@ fn find_function<'a, Ctx: WorkerCtx>( .and_then(|idx| instance.get_func(&mut store, idx)); match func { - Some(func) => Ok(Some(func)), - None => { - if matches!( - parsed_function_name.function(), - ParsedFunctionReference::RawResourceDrop { .. } - | ParsedFunctionReference::IndexedResourceDrop { .. } - ) { - Ok(None) - } else { - match parsed_function_name.method_as_static() { - None => Err(GolemError::invalid_request(format!( - "could not load function {} for interface {}", - &parsed_function_name.function().function_name(), - interface_name - ))), - Some(parsed_static) => instance - .get_export( - &mut store, - Some(&exported_instance_idx), - &parsed_static.function().function_name(), - ) - .and_then(|idx| instance.get_func(&mut store, idx)) - .ok_or(GolemError::invalid_request(format!( - "could not load function {} or {} for interface {}", - &parsed_function_name.function().function_name(), - &parsed_static.function().function_name(), - interface_name - ))) - .map(Some), - } - } - } + Some(func) => Ok(FindFunctionResult::ExportedFunction(func)), + None => match parsed_function_name.method_as_static() { + None => Err(GolemError::invalid_request(format!( + "could not load function {} for interface {}", + &parsed_function_name.function().function_name(), + interface_name + ))), + Some(parsed_static) => instance + .get_export( + &mut store, + Some(&exported_instance_idx), + &parsed_static.function().function_name(), + ) + .and_then(|idx| instance.get_func(&mut store, idx)) + .ok_or(GolemError::invalid_request(format!( + "could not load function {} or {} for interface {}", + &parsed_function_name.function().function_name(), + &parsed_static.function().function_name(), + interface_name + ))) + .map(FindFunctionResult::ExportedFunction), + }, } } None => instance @@ -181,7 +189,7 @@ fn find_function<'a, Ctx: WorkerCtx>( "could not load function {}", &parsed_function_name.function().function_name() ))) - .map(Some), + .map(FindFunctionResult::ExportedFunction), } } @@ -235,11 +243,16 @@ async fn invoke_or_fail( } let mut call_result = match function { - Some(function) => invoke(&mut store, function, &function_input, &full_function_name).await, - None => { + FindFunctionResult::ExportedFunction(function) => { + invoke(&mut store, function, &function_input, &full_function_name).await + } + FindFunctionResult::ResourceDrop => { // Special function: drop drop_resource(&mut store, &parsed, &function_input, &full_function_name).await } + FindFunctionResult::IncomingHttpHandlerBridge => { + invoke_http_handler(&mut store, instance, &function_input, &full_function_name).await + } }; if let Ok(r) = call_result.as_mut() { r.add_fuel(extra_fuel); @@ -270,12 +283,17 @@ async fn get_or_create_indexed_resource<'a, Ctx: WorkerCtx>( resource: resource_name.clone(), }, ); - let resource_constructor = find_function(store, instance, &resource_constructor_name)?.ok_or( - GolemError::invalid_request(format!( + + let resource_constructor = if let FindFunctionResult::ExportedFunction(func) = + find_function(store, instance, &resource_constructor_name)? + { + func + } else { + Err(GolemError::invalid_request(format!( "could not find resource constructor for resource {}", resource_name - )), - )?; + )))? + }; let constructor_param_types = resource_constructor.params(store as &StoreContextMut<'a, Ctx>).iter().map(type_to_analysed_type).collect::, _>>() .map_err(|err| GolemError::invalid_request(format!("Indexed resource invocation cannot be used with owned or borrowed resource handles in constructor parameter position! ({err})")))?; @@ -407,6 +425,118 @@ async fn invoke( } } +async fn invoke_http_handler( + store: &mut impl AsContextMut, + instance: &wasmtime::component::Instance, + function_input: &[Value], + raw_function_name: &str, +) -> Result { + let (sender, receiver) = tokio::sync::oneshot::channel(); + + let proxy = Proxy::new(&mut *store, instance).unwrap(); + let mut store_context = store.as_context_mut(); + + store_context.data_mut().borrow_fuel().await?; + + let idempotency_key = store_context.data().get_current_idempotency_key().await; + if let Some(idempotency_key) = &idempotency_key { + store_context + .data() + .get_public_state() + .event_service() + .emit_invocation_start( + raw_function_name, + idempotency_key, + store_context.data().is_live(), + ); + } + + let (_, mut task_exits) = { + let hyper_request = + virtual_export_compat::http_incoming_handler::input_to_hyper_request(function_input)?; + let scheme = wasi_http_scheme_from_request(&hyper_request)?; + let incoming = store_context + .data_mut() + .durable_ctx_mut() + .as_wasi_http_view() + .new_incoming_request(scheme, hyper_request) + .unwrap(); + let outgoing = store_context + .data_mut() + .durable_ctx_mut() + .as_wasi_http_view() + .new_response_outparam(sender) + .unwrap(); + + unsafe { + async_scoped::TokioScope::scope_and_collect(|s| { + s.spawn(proxy.wasi_http_incoming_handler().call_handle( + store_context, + incoming, + outgoing, + )); + }) + .await + } + }; + + let res_or_error = match receiver.await { + Ok(Ok(resp)) => { + Ok(virtual_export_compat::http_incoming_handler::http_response_to_output(resp).await?) + } + Ok(Err(e)) => Err(anyhow::Error::from(e)), + Err(_) => { + // An error in the receiver (`RecvError`) only indicates that the + // task exited before a response was sent (i.e., the sender was + // dropped); it does not describe the underlying cause of failure. + // Instead we retrieve and propagate the error from inside the task + // which should more clearly tell the user what went wrong. Note + // that we assume the task has already exited at this point so the + // `await` should resolve immediately. + let task_exit = task_exits.remove(0); + let e = match task_exit { + Ok(r) => r.expect_err("if the receiver has an error, the task must have failed"), + Err(_e) => anyhow!("failed joining wasm task"), + }; + Err(e)? + } + }; + + let mut store_context = store.as_context_mut(); + + let current_fuel_level = store_context.get_fuel().unwrap_or(0); + let consumed_fuel = store_context + .data_mut() + .return_fuel(current_fuel_level as i64) + .await?; + + if consumed_fuel > 0 { + debug!( + "Fuel consumed for call {raw_function_name}: {}", + consumed_fuel + ); + } + + if let Some(idempotency_key) = idempotency_key { + store_context + .data() + .get_public_state() + .event_service() + .emit_invocation_finished( + raw_function_name, + &idempotency_key, + store_context.data().is_live(), + ); + } + + record_invocation_consumption(consumed_fuel); + + match res_or_error { + Ok(resp) => Ok(InvokeResult::from_success(consumed_fuel, vec![resp])), + Err(e) => Ok(InvokeResult::from_error::(consumed_fuel, &e)), + } +} + async fn drop_resource( store: &mut impl AsContextMut, parsed_function_name: &ParsedFunctionName, @@ -613,3 +743,26 @@ impl InvokeResult { } } } + +enum FindFunctionResult { + ExportedFunction(Func), + ResourceDrop, + IncomingHttpHandlerBridge, +} + +fn wasi_http_scheme_from_request( + req: &hyper::Request, +) -> Result { + use http::uri::*; + use wasmtime_wasi_http::bindings::http::types::Scheme as WasiScheme; + + let raw_scheme = req.uri().scheme().ok_or(GolemError::invalid_request( + "Could not extract scheme from uri".to_string(), + ))?; + + match raw_scheme { + scheme if *scheme == Scheme::HTTP => Ok(WasiScheme::Http), + scheme if *scheme == Scheme::HTTPS => Ok(WasiScheme::Https), + scheme => Ok(WasiScheme::Other(scheme.to_string())), + } +} diff --git a/golem-worker-executor-base/src/lib.rs b/golem-worker-executor-base/src/lib.rs index c81bcca2a1..d1d7683415 100644 --- a/golem-worker-executor-base/src/lib.rs +++ b/golem-worker-executor-base/src/lib.rs @@ -22,6 +22,7 @@ pub mod model; pub mod preview2; pub mod services; pub mod storage; +pub mod virtual_export_compat; pub mod wasi_host; pub mod worker; pub mod workerctx; diff --git a/golem-worker-executor-base/src/virtual_export_compat/http_incoming_handler.rs b/golem-worker-executor-base/src/virtual_export_compat/http_incoming_handler.rs new file mode 100644 index 0000000000..a8cb20765e --- /dev/null +++ b/golem-worker-executor-base/src/virtual_export_compat/http_incoming_handler.rs @@ -0,0 +1,125 @@ +// Copyright 2024-2025 Golem Cloud +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +use std::convert::Infallible; + +use crate::error::GolemError; +use bytes::Bytes; +use golem_common::virtual_exports::http_incoming_handler::*; +use golem_wasm_rpc::Value; +use http::{HeaderName, HeaderValue}; +use http_body_util::combinators::BoxBody; +use http_body_util::BodyExt; +use wasmtime_wasi_http::bindings::http::types::ErrorCode; + +pub fn input_to_hyper_request( + inputs: &[Value], +) -> Result>, GolemError> { + let request = IncomingHttpRequest::from_function_input(inputs).map_err(|e| { + GolemError::invalid_request(format!("Failed contructing incoming request: ${e}")) + })?; + + let mut builder = hyper::Request::builder() + .uri(request.uri) + .method(request.method); + + for (name, value) in request.headers.0 { + let converted = http::HeaderValue::from_bytes(&value) + .map_err(|e| GolemError::invalid_request(format!("Invalid header value: ${e}")))?; + + builder = builder.header(name, converted); + } + + let body = if let Some(b) = request.body { + let body = http_body_util::Full::new(b.content.0); + + let converted_trailers = if let Some(trailers) = b.trailers { + let mut converted_trailers = http::HeaderMap::new(); + for (name, value) in trailers.0.into_iter() { + let header_name = HeaderName::from_bytes(name.as_bytes()).map_err(|e| { + GolemError::invalid_request(format!("Failed to convert header name ${e}")) + })?; + let header_value = HeaderValue::from_bytes(&value).map_err(|e| { + GolemError::invalid_request(format!("Failed to convert header value ${e}")) + })?; + + converted_trailers.insert(header_name, header_value); + } + Some(Ok(converted_trailers)) + } else { + None + }; + + let with_trailers = body.with_trailers(async { converted_trailers }); + BoxBody::new(with_trailers.map_err(hyper_error_from_infallible)) + } else { + BoxBody::new(http_body_util::Empty::new().map_err(hyper_error_from_infallible)) + }; + + builder + .body(body) + .map_err(|e| GolemError::invalid_request(format!("Failed to attach body ${e}"))) +} + +pub async fn http_response_to_output( + response: http::Response>, +) -> Result { + use http_body_util::BodyExt; + + let status = response.status().as_u16(); + let collected = response.into_body().collect().await.map_err(|e| { + GolemError::runtime(format!("Failed collection body of http response: ${e}")) + })?; + + let trailers = collected.trailers().cloned(); + let bytes = collected.to_bytes(); + + let body = if !bytes.is_empty() { + let trailers = if let Some(hm) = trailers { + let mut result = Vec::new(); + let mut previous = None; + for (name, value) in hm.into_iter() { + let current = match name { + None => previous.clone().unwrap(), + Some(next) => { + previous = Some(next.clone()); + next + } + }; + result.push(( + current.to_string(), + Bytes::copy_from_slice(value.as_bytes()), + )) + } + Some(HttpFields(result)) + } else { + None + }; + + Some(HttpBody { + content: HttpBodyContent(bytes), + trailers, + }) + } else { + None + }; + + let response = HttpResponse { status, body }; + + Ok(response.to_value()) +} + +fn hyper_error_from_infallible(_infallible: Infallible) -> hyper::Error { + unreachable!() +} diff --git a/golem-worker-executor-base/src/virtual_export_compat/mod.rs b/golem-worker-executor-base/src/virtual_export_compat/mod.rs new file mode 100644 index 0000000000..a3d76a162c --- /dev/null +++ b/golem-worker-executor-base/src/virtual_export_compat/mod.rs @@ -0,0 +1,15 @@ +// Copyright 2024-2025 Golem Cloud +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +pub mod http_incoming_handler; diff --git a/golem-worker-executor-base/src/workerctx.rs b/golem-worker-executor-base/src/workerctx.rs index 765e478bbb..029c2cdef6 100644 --- a/golem-worker-executor-base/src/workerctx.rs +++ b/golem-worker-executor-base/src/workerctx.rs @@ -15,6 +15,7 @@ use std::collections::HashSet; use std::sync::{Arc, RwLock, Weak}; +use crate::durable_host::DurableWorkerCtxView; use crate::error::GolemError; use crate::model::{ CurrentResourceLimits, ExecutionStatus, InterruptKind, LastError, ListDirectoryResult, @@ -73,6 +74,7 @@ pub trait WorkerCtx: + Send + Sync + Sized + + DurableWorkerCtxView + 'static { /// PublicState is a subset of the worker context which is accessible outside the worker diff --git a/golem-worker-executor-base/tests/wasi.rs b/golem-worker-executor-base/tests/wasi.rs index c7de8dc350..d19085eebe 100644 --- a/golem-worker-executor-base/tests/wasi.rs +++ b/golem-worker-executor-base/tests/wasi.rs @@ -1849,3 +1849,47 @@ async fn ip_address_resolve( check!(result1.len() > 0); check!(result2.len() > 0); } + +#[test] +#[tracing::instrument] +async fn wasi_incoming_request_handler_compat( + last_unique_id: &LastUniqueId, + deps: &WorkerExecutorTestDependencies, + _tracing: &Tracing, +) { + let context = TestContext::new(last_unique_id); + let executor = start(deps, &context).await.unwrap(); + + let component_id = executor + .store_component("wasi-http-incoming-request-handler") + .await; + let worker_id = executor + .start_worker(&component_id, "wasi-http-incoming-request-handler-1") + .await; + + let args: Value = Value::Record(vec![ + Value::String("http://localhost:8000".to_string()), + Value::Variant { + case_idx: 0, + case_value: None, + }, + Value::List(vec![]), + Value::Option(None), + ]); + + let result = executor + .invoke_and_await( + &worker_id, + "golem:http/incoming-handler.{handle}", + vec![args], + ) + .await + .unwrap(); + + drop(executor); + + println!("foobar"); + + check!(result.len() == 1); + // check!(result[0] == Value::Record(vec![Value::U16(200), Value::Option(None)])); +} diff --git a/test-components/wasi-http-incoming-request-handler.wasm b/test-components/wasi-http-incoming-request-handler.wasm new file mode 100644 index 0000000000000000000000000000000000000000..cfd8b2acac142b6832699925a4d81121fbb2b252 GIT binary patch literal 54995 zcmdqK37lkCecyYRs@|$cQ=%2PoQE;bftWl<$oKa@ z_f}OeqXqNvTQusv_n!5C{`>i#rM=eHxkH}sjUVz)`x!6W+uU5=4E?F2zIWYyt*xay zmex;N+Nr{PX}+BG#-{wxOUjM^Q{O*5o$(H>?`&`EY|m|NZ}wW}LO%!tf7qDk`%8g; zKDc4EwY5FBzR}xkZ7;2_&GlPLtGzC*jdfPnw|ZUA%XrhSi8%*`mmy_oZM13stmkk1 zh`;RlS^rd!+3KzK$0s`LYumlG?X3xKGULs^=3H<4?0WaLyMUT+uda7ime$V9-M6{4 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b/test-components/wasi-http-incoming-request-handler/Cargo.lock @@ -0,0 +1,25 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +version = 4 + +[[package]] +name = "bitflags" +version = "2.8.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8f68f53c83ab957f72c32642f3868eec03eb974d1fb82e453128456482613d36" + +[[package]] +name = "handler" +version = "0.1.0" +dependencies = [ + "wit-bindgen-rt", +] + +[[package]] +name = "wit-bindgen-rt" +version = "0.37.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "fc801b991c56492f87ab3086e786468f75c285a4d73017ab0ebc2fa1aed5d82c" +dependencies = [ + "bitflags", +] diff --git a/test-components/wasi-http-incoming-request-handler/Cargo.toml b/test-components/wasi-http-incoming-request-handler/Cargo.toml new file mode 100644 index 0000000000..f70d3fbb67 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/Cargo.toml @@ -0,0 +1,25 @@ +[package] +name = "handler" +version = "0.1.0" +edition = "2021" +publish = false + +[lib] +path = "src/lib.rs" +crate-type = ["cdylib"] + +[dependencies] +wit-bindgen-rt = { version = "0.37.0", features = ["bitflags"] } + +[package.metadata.component] +package = "golem:handler" +proxy = true + +[package.metadata.component.target.dependencies] +"wasi:cli" = { path = "wit/deps/cli" } +"wasi:clocks" = { path = "wit/deps/clocks" } +"wasi:filesystem" = { path = "wit/deps/filesystem" } +"wasi:http" = { path = "wit/deps/http" } +"wasi:io" = { path = "wit/deps/io" } +"wasi:random" = { path = "wit/deps/random" } +"wasi:sockets" = { path = "wit/deps/sockets" } diff --git a/test-components/wasi-http-incoming-request-handler/src/bindings.rs b/test-components/wasi-http-incoming-request-handler/src/bindings.rs new file mode 100644 index 0000000000..b9a1d24912 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/src/bindings.rs @@ -0,0 +1,7502 @@ +#[allow(dead_code)] +pub mod wasi { + #[allow(dead_code)] + pub mod clocks { + #[allow(dead_code, clippy::all)] + pub mod monotonic_clock { + #[used] + #[doc(hidden)] + static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports; + use super::super::super::_rt; + pub type Pollable = super::super::super::wasi::io::poll::Pollable; + /// An instant in time, in nanoseconds. An instant is relative to an + /// unspecified initial value, and can only be compared to instances from + /// the same monotonic-clock. + pub type Instant = u64; + /// A duration of time, in nanoseconds. + pub type Duration = u64; + #[allow(unused_unsafe, clippy::all)] + /// Read the current value of the clock. + /// + /// The clock is monotonic, therefore calling this function repeatedly will + /// produce a sequence of non-decreasing values. + pub fn now() -> Instant { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:clocks/monotonic-clock@0.2.3")] + extern "C" { + #[link_name = "now"] + fn wit_import() -> i64; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import() -> i64 { + unreachable!() + } + let ret = wit_import(); + ret as u64 + } + } + #[allow(unused_unsafe, clippy::all)] + /// Query the resolution of the clock. Returns the duration of time + /// corresponding to a clock tick. + pub fn resolution() -> Duration { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:clocks/monotonic-clock@0.2.3")] + extern "C" { + #[link_name = "resolution"] + fn wit_import() -> i64; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import() -> i64 { + unreachable!() + } + let ret = wit_import(); + ret as u64 + } + } + #[allow(unused_unsafe, clippy::all)] + /// Create a `pollable` which will resolve once the specified instant + /// has occurred. + pub fn subscribe_instant(when: Instant) -> Pollable { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:clocks/monotonic-clock@0.2.3")] + extern "C" { + #[link_name = "subscribe-instant"] + fn wit_import(_: i64) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i64) -> i32 { + unreachable!() + } + let ret = wit_import(_rt::as_i64(when)); + super::super::super::wasi::io::poll::Pollable::from_handle( + ret as u32, + ) + } + } + #[allow(unused_unsafe, clippy::all)] + /// Create a `pollable` that will resolve after the specified duration has + /// elapsed from the time this function is invoked. + pub fn subscribe_duration(when: Duration) -> Pollable { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:clocks/monotonic-clock@0.2.3")] + extern "C" { + #[link_name = "subscribe-duration"] + fn wit_import(_: i64) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i64) -> i32 { + unreachable!() + } + let ret = wit_import(_rt::as_i64(when)); + super::super::super::wasi::io::poll::Pollable::from_handle( + ret as u32, + ) + } + } + } + } + #[allow(dead_code)] + pub mod http { + #[allow(dead_code, clippy::all)] + pub mod types { + #[used] + #[doc(hidden)] + static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports; + use super::super::super::_rt; + pub type Duration = super::super::super::wasi::clocks::monotonic_clock::Duration; + pub type InputStream = super::super::super::wasi::io::streams::InputStream; + pub type OutputStream = super::super::super::wasi::io::streams::OutputStream; + pub type IoError = super::super::super::wasi::io::error::Error; + pub type Pollable = super::super::super::wasi::io::poll::Pollable; + /// This type corresponds to HTTP standard Methods. + #[derive(Clone)] + pub enum Method { + Get, + Head, + Post, + Put, + Delete, + Connect, + Options, + Trace, + Patch, + Other(_rt::String), + } + impl ::core::fmt::Debug for Method { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + match self { + Method::Get => f.debug_tuple("Method::Get").finish(), + Method::Head => f.debug_tuple("Method::Head").finish(), + Method::Post => f.debug_tuple("Method::Post").finish(), + Method::Put => f.debug_tuple("Method::Put").finish(), + Method::Delete => f.debug_tuple("Method::Delete").finish(), + Method::Connect => f.debug_tuple("Method::Connect").finish(), + Method::Options => f.debug_tuple("Method::Options").finish(), + Method::Trace => f.debug_tuple("Method::Trace").finish(), + Method::Patch => f.debug_tuple("Method::Patch").finish(), + Method::Other(e) => { + f.debug_tuple("Method::Other").field(e).finish() + } + } + } + } + /// This type corresponds to HTTP standard Related Schemes. + #[derive(Clone)] + pub enum Scheme { + Http, + Https, + Other(_rt::String), + } + impl ::core::fmt::Debug for Scheme { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + match self { + Scheme::Http => f.debug_tuple("Scheme::Http").finish(), + Scheme::Https => f.debug_tuple("Scheme::Https").finish(), + Scheme::Other(e) => { + f.debug_tuple("Scheme::Other").field(e).finish() + } + } + } + } + /// Defines the case payload type for `DNS-error` above: + #[derive(Clone)] + pub struct DnsErrorPayload { + pub rcode: Option<_rt::String>, + pub info_code: Option, + } + impl ::core::fmt::Debug for DnsErrorPayload { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + f.debug_struct("DnsErrorPayload") + .field("rcode", &self.rcode) + .field("info-code", &self.info_code) + .finish() + } + } + /// Defines the case payload type for `TLS-alert-received` above: + #[derive(Clone)] + pub struct TlsAlertReceivedPayload { + pub alert_id: Option, + pub alert_message: Option<_rt::String>, + } + impl ::core::fmt::Debug for TlsAlertReceivedPayload { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + f.debug_struct("TlsAlertReceivedPayload") + .field("alert-id", &self.alert_id) + .field("alert-message", &self.alert_message) + .finish() + } + } + /// Defines the case payload type for `HTTP-response-{header,trailer}-size` above: + #[derive(Clone)] + pub struct FieldSizePayload { + pub field_name: Option<_rt::String>, + pub field_size: Option, + } + impl ::core::fmt::Debug for FieldSizePayload { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + f.debug_struct("FieldSizePayload") + .field("field-name", &self.field_name) + .field("field-size", &self.field_size) + .finish() + } + } + /// These cases are inspired by the IANA HTTP Proxy Error Types: + /// + #[derive(Clone)] + pub enum ErrorCode { + DnsTimeout, + DnsError(DnsErrorPayload), + DestinationNotFound, + DestinationUnavailable, + DestinationIpProhibited, + DestinationIpUnroutable, + ConnectionRefused, + ConnectionTerminated, + ConnectionTimeout, + ConnectionReadTimeout, + ConnectionWriteTimeout, + ConnectionLimitReached, + TlsProtocolError, + TlsCertificateError, + TlsAlertReceived(TlsAlertReceivedPayload), + HttpRequestDenied, + HttpRequestLengthRequired, + HttpRequestBodySize(Option), + HttpRequestMethodInvalid, + HttpRequestUriInvalid, + HttpRequestUriTooLong, + HttpRequestHeaderSectionSize(Option), + HttpRequestHeaderSize(Option), + HttpRequestTrailerSectionSize(Option), + HttpRequestTrailerSize(FieldSizePayload), + HttpResponseIncomplete, + HttpResponseHeaderSectionSize(Option), + HttpResponseHeaderSize(FieldSizePayload), + HttpResponseBodySize(Option), + HttpResponseTrailerSectionSize(Option), + HttpResponseTrailerSize(FieldSizePayload), + HttpResponseTransferCoding(Option<_rt::String>), + HttpResponseContentCoding(Option<_rt::String>), + HttpResponseTimeout, + HttpUpgradeFailed, + HttpProtocolError, + LoopDetected, + ConfigurationError, + /// This is a catch-all error for anything that doesn't fit cleanly into a + /// more specific case. It also includes an optional string for an + /// unstructured description of the error. Users should not depend on the + /// string for diagnosing errors, as it's not required to be consistent + /// between implementations. + InternalError(Option<_rt::String>), + } + impl ::core::fmt::Debug for ErrorCode { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + match self { + ErrorCode::DnsTimeout => { + f.debug_tuple("ErrorCode::DnsTimeout").finish() + } + ErrorCode::DnsError(e) => { + f.debug_tuple("ErrorCode::DnsError").field(e).finish() + } + ErrorCode::DestinationNotFound => { + f.debug_tuple("ErrorCode::DestinationNotFound").finish() + } + ErrorCode::DestinationUnavailable => { + f.debug_tuple("ErrorCode::DestinationUnavailable").finish() + } + ErrorCode::DestinationIpProhibited => { + f.debug_tuple("ErrorCode::DestinationIpProhibited").finish() + } + ErrorCode::DestinationIpUnroutable => { + f.debug_tuple("ErrorCode::DestinationIpUnroutable").finish() + } + ErrorCode::ConnectionRefused => { + f.debug_tuple("ErrorCode::ConnectionRefused").finish() + } + ErrorCode::ConnectionTerminated => { + f.debug_tuple("ErrorCode::ConnectionTerminated").finish() + } + ErrorCode::ConnectionTimeout => { + f.debug_tuple("ErrorCode::ConnectionTimeout").finish() + } + ErrorCode::ConnectionReadTimeout => { + f.debug_tuple("ErrorCode::ConnectionReadTimeout").finish() + } + ErrorCode::ConnectionWriteTimeout => { + f.debug_tuple("ErrorCode::ConnectionWriteTimeout").finish() + } + ErrorCode::ConnectionLimitReached => { + f.debug_tuple("ErrorCode::ConnectionLimitReached").finish() + } + ErrorCode::TlsProtocolError => { + f.debug_tuple("ErrorCode::TlsProtocolError").finish() + } + ErrorCode::TlsCertificateError => { + f.debug_tuple("ErrorCode::TlsCertificateError").finish() + } + ErrorCode::TlsAlertReceived(e) => { + f.debug_tuple("ErrorCode::TlsAlertReceived") + .field(e) + .finish() + } + ErrorCode::HttpRequestDenied => { + f.debug_tuple("ErrorCode::HttpRequestDenied").finish() + } + ErrorCode::HttpRequestLengthRequired => { + f.debug_tuple("ErrorCode::HttpRequestLengthRequired") + .finish() + } + ErrorCode::HttpRequestBodySize(e) => { + f.debug_tuple("ErrorCode::HttpRequestBodySize") + .field(e) + .finish() + } + ErrorCode::HttpRequestMethodInvalid => { + f.debug_tuple("ErrorCode::HttpRequestMethodInvalid").finish() + } + ErrorCode::HttpRequestUriInvalid => { + f.debug_tuple("ErrorCode::HttpRequestUriInvalid").finish() + } + ErrorCode::HttpRequestUriTooLong => { + f.debug_tuple("ErrorCode::HttpRequestUriTooLong").finish() + } + ErrorCode::HttpRequestHeaderSectionSize(e) => { + f.debug_tuple("ErrorCode::HttpRequestHeaderSectionSize") + .field(e) + .finish() + } + ErrorCode::HttpRequestHeaderSize(e) => { + f.debug_tuple("ErrorCode::HttpRequestHeaderSize") + .field(e) + .finish() + } + ErrorCode::HttpRequestTrailerSectionSize(e) => { + f.debug_tuple("ErrorCode::HttpRequestTrailerSectionSize") + .field(e) + .finish() + } + ErrorCode::HttpRequestTrailerSize(e) => { + f.debug_tuple("ErrorCode::HttpRequestTrailerSize") + .field(e) + .finish() + } + ErrorCode::HttpResponseIncomplete => { + f.debug_tuple("ErrorCode::HttpResponseIncomplete").finish() + } + ErrorCode::HttpResponseHeaderSectionSize(e) => { + f.debug_tuple("ErrorCode::HttpResponseHeaderSectionSize") + .field(e) + .finish() + } + ErrorCode::HttpResponseHeaderSize(e) => { + f.debug_tuple("ErrorCode::HttpResponseHeaderSize") + .field(e) + .finish() + } + ErrorCode::HttpResponseBodySize(e) => { + f.debug_tuple("ErrorCode::HttpResponseBodySize") + .field(e) + .finish() + } + ErrorCode::HttpResponseTrailerSectionSize(e) => { + f.debug_tuple("ErrorCode::HttpResponseTrailerSectionSize") + .field(e) + .finish() + } + ErrorCode::HttpResponseTrailerSize(e) => { + f.debug_tuple("ErrorCode::HttpResponseTrailerSize") + .field(e) + .finish() + } + ErrorCode::HttpResponseTransferCoding(e) => { + f.debug_tuple("ErrorCode::HttpResponseTransferCoding") + .field(e) + .finish() + } + ErrorCode::HttpResponseContentCoding(e) => { + f.debug_tuple("ErrorCode::HttpResponseContentCoding") + .field(e) + .finish() + } + ErrorCode::HttpResponseTimeout => { + f.debug_tuple("ErrorCode::HttpResponseTimeout").finish() + } + ErrorCode::HttpUpgradeFailed => { + f.debug_tuple("ErrorCode::HttpUpgradeFailed").finish() + } + ErrorCode::HttpProtocolError => { + f.debug_tuple("ErrorCode::HttpProtocolError").finish() + } + ErrorCode::LoopDetected => { + f.debug_tuple("ErrorCode::LoopDetected").finish() + } + ErrorCode::ConfigurationError => { + f.debug_tuple("ErrorCode::ConfigurationError").finish() + } + ErrorCode::InternalError(e) => { + f.debug_tuple("ErrorCode::InternalError").field(e).finish() + } + } + } + } + impl ::core::fmt::Display for ErrorCode { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + write!(f, "{:?}", self) + } + } + impl std::error::Error for ErrorCode {} + /// This type enumerates the different kinds of errors that may occur when + /// setting or appending to a `fields` resource. + #[derive(Clone, Copy)] + pub enum HeaderError { + /// This error indicates that a `field-name` or `field-value` was + /// syntactically invalid when used with an operation that sets headers in a + /// `fields`. + InvalidSyntax, + /// This error indicates that a forbidden `field-name` was used when trying + /// to set a header in a `fields`. + Forbidden, + /// This error indicates that the operation on the `fields` was not + /// permitted because the fields are immutable. + Immutable, + } + impl ::core::fmt::Debug for HeaderError { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + match self { + HeaderError::InvalidSyntax => { + f.debug_tuple("HeaderError::InvalidSyntax").finish() + } + HeaderError::Forbidden => { + f.debug_tuple("HeaderError::Forbidden").finish() + } + HeaderError::Immutable => { + f.debug_tuple("HeaderError::Immutable").finish() + } + } + } + } + impl ::core::fmt::Display for HeaderError { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + write!(f, "{:?}", self) + } + } + impl std::error::Error for HeaderError {} + /// Field keys are always strings. + /// + /// Field keys should always be treated as case insensitive by the `fields` + /// resource for the purposes of equality checking. + /// + /// # Deprecation + /// + /// This type has been deprecated in favor of the `field-name` type. + pub type FieldKey = _rt::String; + /// Field names are always strings. + /// + /// Field names should always be treated as case insensitive by the `fields` + /// resource for the purposes of equality checking. + pub type FieldName = FieldKey; + /// Field values should always be ASCII strings. However, in + /// reality, HTTP implementations often have to interpret malformed values, + /// so they are provided as a list of bytes. + pub type FieldValue = _rt::Vec; + /// This following block defines the `fields` resource which corresponds to + /// HTTP standard Fields. Fields are a common representation used for both + /// Headers and Trailers. + /// + /// A `fields` may be mutable or immutable. A `fields` created using the + /// constructor, `from-list`, or `clone` will be mutable, but a `fields` + /// resource given by other means (including, but not limited to, + /// `incoming-request.headers`, `outgoing-request.headers`) might be be + /// immutable. In an immutable fields, the `set`, `append`, and `delete` + /// operations will fail with `header-error.immutable`. + #[derive(Debug)] + #[repr(transparent)] + pub struct Fields { + handle: _rt::Resource, + } + impl Fields { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for Fields { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]fields"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// Headers is an alias for Fields. + pub type Headers = Fields; + /// Trailers is an alias for Fields. + pub type Trailers = Fields; + /// Represents an incoming HTTP Request. + #[derive(Debug)] + #[repr(transparent)] + pub struct IncomingRequest { + handle: _rt::Resource, + } + impl IncomingRequest { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for IncomingRequest { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]incoming-request"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// Represents an outgoing HTTP Request. + #[derive(Debug)] + #[repr(transparent)] + pub struct OutgoingRequest { + handle: _rt::Resource, + } + impl OutgoingRequest { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for OutgoingRequest { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]outgoing-request"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// Parameters for making an HTTP Request. Each of these parameters is + /// currently an optional timeout applicable to the transport layer of the + /// HTTP protocol. + /// + /// These timeouts are separate from any the user may use to bound a + /// blocking call to `wasi:io/poll.poll`. + #[derive(Debug)] + #[repr(transparent)] + pub struct RequestOptions { + handle: _rt::Resource, + } + impl RequestOptions { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for RequestOptions { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]request-options"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// Represents the ability to send an HTTP Response. + /// + /// This resource is used by the `wasi:http/incoming-handler` interface to + /// allow a Response to be sent corresponding to the Request provided as the + /// other argument to `incoming-handler.handle`. + #[derive(Debug)] + #[repr(transparent)] + pub struct ResponseOutparam { + handle: _rt::Resource, + } + impl ResponseOutparam { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for ResponseOutparam { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]response-outparam"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// This type corresponds to the HTTP standard Status Code. + pub type StatusCode = u16; + /// Represents an incoming HTTP Response. + #[derive(Debug)] + #[repr(transparent)] + pub struct IncomingResponse { + handle: _rt::Resource, + } + impl IncomingResponse { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for IncomingResponse { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]incoming-response"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// Represents an incoming HTTP Request or Response's Body. + /// + /// A body has both its contents - a stream of bytes - and a (possibly + /// empty) set of trailers, indicating that the full contents of the + /// body have been received. This resource represents the contents as + /// an `input-stream` and the delivery of trailers as a `future-trailers`, + /// and ensures that the user of this interface may only be consuming either + /// the body contents or waiting on trailers at any given time. + #[derive(Debug)] + #[repr(transparent)] + pub struct IncomingBody { + handle: _rt::Resource, + } + impl IncomingBody { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for IncomingBody { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]incoming-body"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// Represents a future which may eventually return trailers, or an error. + /// + /// In the case that the incoming HTTP Request or Response did not have any + /// trailers, this future will resolve to the empty set of trailers once the + /// complete Request or Response body has been received. + #[derive(Debug)] + #[repr(transparent)] + pub struct FutureTrailers { + handle: _rt::Resource, + } + impl FutureTrailers { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for FutureTrailers { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]future-trailers"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// Represents an outgoing HTTP Response. + #[derive(Debug)] + #[repr(transparent)] + pub struct OutgoingResponse { + handle: _rt::Resource, + } + impl OutgoingResponse { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for OutgoingResponse { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]outgoing-response"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// Represents an outgoing HTTP Request or Response's Body. + /// + /// A body has both its contents - a stream of bytes - and a (possibly + /// empty) set of trailers, inducating the full contents of the body + /// have been sent. This resource represents the contents as an + /// `output-stream` child resource, and the completion of the body (with + /// optional trailers) with a static function that consumes the + /// `outgoing-body` resource, and ensures that the user of this interface + /// may not write to the body contents after the body has been finished. + /// + /// If the user code drops this resource, as opposed to calling the static + /// method `finish`, the implementation should treat the body as incomplete, + /// and that an error has occurred. The implementation should propagate this + /// error to the HTTP protocol by whatever means it has available, + /// including: corrupting the body on the wire, aborting the associated + /// Request, or sending a late status code for the Response. + #[derive(Debug)] + #[repr(transparent)] + pub struct OutgoingBody { + handle: _rt::Resource, + } + impl OutgoingBody { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for OutgoingBody { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]outgoing-body"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// Represents a future which may eventually return an incoming HTTP + /// Response, or an error. + /// + /// This resource is returned by the `wasi:http/outgoing-handler` interface to + /// provide the HTTP Response corresponding to the sent Request. + #[derive(Debug)] + #[repr(transparent)] + pub struct FutureIncomingResponse { + handle: _rt::Resource, + } + impl FutureIncomingResponse { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for FutureIncomingResponse { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]future-incoming-response"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + #[allow(unused_unsafe, clippy::all)] + /// Attempts to extract a http-related `error` from the wasi:io `error` + /// provided. + /// + /// Stream operations which return + /// `wasi:io/stream/stream-error::last-operation-failed` have a payload of + /// type `wasi:io/error/error` with more information about the operation + /// that failed. This payload can be passed through to this function to see + /// if there's http-related information about the error to return. + /// + /// Note that this function is fallible because not all io-errors are + /// http-related errors. + pub fn http_error_code(err: &IoError) -> Option { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 40]); + let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 40]); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "http-error-code"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((err).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = i32::from(*ptr0.add(8).cast::()); + let v64 = match l2 { + 0 => ErrorCode::DnsTimeout, + 1 => { + let e64 = { + let l3 = i32::from(*ptr0.add(16).cast::()); + let l7 = i32::from(*ptr0.add(28).cast::()); + DnsErrorPayload { + rcode: match l3 { + 0 => None, + 1 => { + let e = { + let l4 = *ptr0.add(20).cast::<*mut u8>(); + let l5 = *ptr0.add(24).cast::(); + let len6 = l5; + let bytes6 = _rt::Vec::from_raw_parts( + l4.cast(), + len6, + len6, + ); + _rt::string_lift(bytes6) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + info_code: match l7 { + 0 => None, + 1 => { + let e = { + let l8 = i32::from(*ptr0.add(30).cast::()); + l8 as u16 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::DnsError(e64) + } + 2 => ErrorCode::DestinationNotFound, + 3 => ErrorCode::DestinationUnavailable, + 4 => ErrorCode::DestinationIpProhibited, + 5 => ErrorCode::DestinationIpUnroutable, + 6 => ErrorCode::ConnectionRefused, + 7 => ErrorCode::ConnectionTerminated, + 8 => ErrorCode::ConnectionTimeout, + 9 => ErrorCode::ConnectionReadTimeout, + 10 => ErrorCode::ConnectionWriteTimeout, + 11 => ErrorCode::ConnectionLimitReached, + 12 => ErrorCode::TlsProtocolError, + 13 => ErrorCode::TlsCertificateError, + 14 => { + let e64 = { + let l9 = i32::from(*ptr0.add(16).cast::()); + let l11 = i32::from(*ptr0.add(20).cast::()); + TlsAlertReceivedPayload { + alert_id: match l9 { + 0 => None, + 1 => { + let e = { + let l10 = i32::from(*ptr0.add(17).cast::()); + l10 as u8 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + alert_message: match l11 { + 0 => None, + 1 => { + let e = { + let l12 = *ptr0.add(24).cast::<*mut u8>(); + let l13 = *ptr0.add(28).cast::(); + let len14 = l13; + let bytes14 = _rt::Vec::from_raw_parts( + l12.cast(), + len14, + len14, + ); + _rt::string_lift(bytes14) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::TlsAlertReceived(e64) + } + 15 => ErrorCode::HttpRequestDenied, + 16 => ErrorCode::HttpRequestLengthRequired, + 17 => { + let e64 = { + let l15 = i32::from(*ptr0.add(16).cast::()); + match l15 { + 0 => None, + 1 => { + let e = { + let l16 = *ptr0.add(24).cast::(); + l16 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestBodySize(e64) + } + 18 => ErrorCode::HttpRequestMethodInvalid, + 19 => ErrorCode::HttpRequestUriInvalid, + 20 => ErrorCode::HttpRequestUriTooLong, + 21 => { + let e64 = { + let l17 = i32::from(*ptr0.add(16).cast::()); + match l17 { + 0 => None, + 1 => { + let e = { + let l18 = *ptr0.add(20).cast::(); + l18 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestHeaderSectionSize(e64) + } + 22 => { + let e64 = { + let l19 = i32::from(*ptr0.add(16).cast::()); + match l19 { + 0 => None, + 1 => { + let e = { + let l20 = i32::from(*ptr0.add(20).cast::()); + let l24 = i32::from(*ptr0.add(32).cast::()); + FieldSizePayload { + field_name: match l20 { + 0 => None, + 1 => { + let e = { + let l21 = *ptr0.add(24).cast::<*mut u8>(); + let l22 = *ptr0.add(28).cast::(); + let len23 = l22; + let bytes23 = _rt::Vec::from_raw_parts( + l21.cast(), + len23, + len23, + ); + _rt::string_lift(bytes23) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l24 { + 0 => None, + 1 => { + let e = { + let l25 = *ptr0.add(36).cast::(); + l25 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestHeaderSize(e64) + } + 23 => { + let e64 = { + let l26 = i32::from(*ptr0.add(16).cast::()); + match l26 { + 0 => None, + 1 => { + let e = { + let l27 = *ptr0.add(20).cast::(); + l27 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestTrailerSectionSize(e64) + } + 24 => { + let e64 = { + let l28 = i32::from(*ptr0.add(16).cast::()); + let l32 = i32::from(*ptr0.add(28).cast::()); + FieldSizePayload { + field_name: match l28 { + 0 => None, + 1 => { + let e = { + let l29 = *ptr0.add(20).cast::<*mut u8>(); + let l30 = *ptr0.add(24).cast::(); + let len31 = l30; + let bytes31 = _rt::Vec::from_raw_parts( + l29.cast(), + len31, + len31, + ); + _rt::string_lift(bytes31) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l32 { + 0 => None, + 1 => { + let e = { + let l33 = *ptr0.add(32).cast::(); + l33 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpRequestTrailerSize(e64) + } + 25 => ErrorCode::HttpResponseIncomplete, + 26 => { + let e64 = { + let l34 = i32::from(*ptr0.add(16).cast::()); + match l34 { + 0 => None, + 1 => { + let e = { + let l35 = *ptr0.add(20).cast::(); + l35 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseHeaderSectionSize(e64) + } + 27 => { + let e64 = { + let l36 = i32::from(*ptr0.add(16).cast::()); + let l40 = i32::from(*ptr0.add(28).cast::()); + FieldSizePayload { + field_name: match l36 { + 0 => None, + 1 => { + let e = { + let l37 = *ptr0.add(20).cast::<*mut u8>(); + let l38 = *ptr0.add(24).cast::(); + let len39 = l38; + let bytes39 = _rt::Vec::from_raw_parts( + l37.cast(), + len39, + len39, + ); + _rt::string_lift(bytes39) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l40 { + 0 => None, + 1 => { + let e = { + let l41 = *ptr0.add(32).cast::(); + l41 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpResponseHeaderSize(e64) + } + 28 => { + let e64 = { + let l42 = i32::from(*ptr0.add(16).cast::()); + match l42 { + 0 => None, + 1 => { + let e = { + let l43 = *ptr0.add(24).cast::(); + l43 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseBodySize(e64) + } + 29 => { + let e64 = { + let l44 = i32::from(*ptr0.add(16).cast::()); + match l44 { + 0 => None, + 1 => { + let e = { + let l45 = *ptr0.add(20).cast::(); + l45 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseTrailerSectionSize(e64) + } + 30 => { + let e64 = { + let l46 = i32::from(*ptr0.add(16).cast::()); + let l50 = i32::from(*ptr0.add(28).cast::()); + FieldSizePayload { + field_name: match l46 { + 0 => None, + 1 => { + let e = { + let l47 = *ptr0.add(20).cast::<*mut u8>(); + let l48 = *ptr0.add(24).cast::(); + let len49 = l48; + let bytes49 = _rt::Vec::from_raw_parts( + l47.cast(), + len49, + len49, + ); + _rt::string_lift(bytes49) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l50 { + 0 => None, + 1 => { + let e = { + let l51 = *ptr0.add(32).cast::(); + l51 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpResponseTrailerSize(e64) + } + 31 => { + let e64 = { + let l52 = i32::from(*ptr0.add(16).cast::()); + match l52 { + 0 => None, + 1 => { + let e = { + let l53 = *ptr0.add(20).cast::<*mut u8>(); + let l54 = *ptr0.add(24).cast::(); + let len55 = l54; + let bytes55 = _rt::Vec::from_raw_parts( + l53.cast(), + len55, + len55, + ); + _rt::string_lift(bytes55) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseTransferCoding(e64) + } + 32 => { + let e64 = { + let l56 = i32::from(*ptr0.add(16).cast::()); + match l56 { + 0 => None, + 1 => { + let e = { + let l57 = *ptr0.add(20).cast::<*mut u8>(); + let l58 = *ptr0.add(24).cast::(); + let len59 = l58; + let bytes59 = _rt::Vec::from_raw_parts( + l57.cast(), + len59, + len59, + ); + _rt::string_lift(bytes59) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseContentCoding(e64) + } + 33 => ErrorCode::HttpResponseTimeout, + 34 => ErrorCode::HttpUpgradeFailed, + 35 => ErrorCode::HttpProtocolError, + 36 => ErrorCode::LoopDetected, + 37 => ErrorCode::ConfigurationError, + n => { + debug_assert_eq!(n, 38, "invalid enum discriminant"); + let e64 = { + let l60 = i32::from(*ptr0.add(16).cast::()); + match l60 { + 0 => None, + 1 => { + let e = { + let l61 = *ptr0.add(20).cast::<*mut u8>(); + let l62 = *ptr0.add(24).cast::(); + let len63 = l62; + let bytes63 = _rt::Vec::from_raw_parts( + l61.cast(), + len63, + len63, + ); + _rt::string_lift(bytes63) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::InternalError(e64) + } + }; + v64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + impl Fields { + #[allow(unused_unsafe, clippy::all)] + /// Construct an empty HTTP Fields. + /// + /// The resulting `fields` is mutable. + pub fn new() -> Self { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[constructor]fields"] + fn wit_import() -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import() -> i32 { + unreachable!() + } + let ret = wit_import(); + Fields::from_handle(ret as u32) + } + } + } + impl Fields { + #[allow(unused_unsafe, clippy::all)] + /// Construct an HTTP Fields. + /// + /// The resulting `fields` is mutable. + /// + /// The list represents each name-value pair in the Fields. Names + /// which have multiple values are represented by multiple entries in this + /// list with the same name. + /// + /// The tuple is a pair of the field name, represented as a string, and + /// Value, represented as a list of bytes. + /// + /// An error result will be returned if any `field-name` or `field-value` is + /// syntactically invalid, or if a field is forbidden. + pub fn from_list( + entries: &[(FieldName, FieldValue)], + ) -> Result { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let vec3 = entries; + let len3 = vec3.len(); + let layout3 = _rt::alloc::Layout::from_size_align_unchecked( + vec3.len() * 16, + 4, + ); + let result3 = if layout3.size() != 0 { + let ptr = _rt::alloc::alloc(layout3).cast::(); + if ptr.is_null() { + _rt::alloc::handle_alloc_error(layout3); + } + ptr + } else { + ::core::ptr::null_mut() + }; + for (i, e) in vec3.into_iter().enumerate() { + let base = result3.add(i * 16); + { + let (t0_0, t0_1) = e; + let vec1 = t0_0; + let ptr1 = vec1.as_ptr().cast::(); + let len1 = vec1.len(); + *base.add(4).cast::() = len1; + *base.add(0).cast::<*mut u8>() = ptr1.cast_mut(); + let vec2 = t0_1; + let ptr2 = vec2.as_ptr().cast::(); + let len2 = vec2.len(); + *base.add(12).cast::() = len2; + *base.add(8).cast::<*mut u8>() = ptr2.cast_mut(); + } + } + let ptr4 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[static]fields.from-list"] + fn wit_import(_: *mut u8, _: usize, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: *mut u8, _: usize, _: *mut u8) { + unreachable!() + } + wit_import(result3, len3, ptr4); + let l5 = i32::from(*ptr4.add(0).cast::()); + if layout3.size() != 0 { + _rt::alloc::dealloc(result3.cast(), layout3); + } + match l5 { + 0 => { + let e = { + let l6 = *ptr4.add(4).cast::(); + Fields::from_handle(l6 as u32) + }; + Ok(e) + } + 1 => { + let e = { + let l7 = i32::from(*ptr4.add(4).cast::()); + let v8 = match l7 { + 0 => HeaderError::InvalidSyntax, + 1 => HeaderError::Forbidden, + n => { + debug_assert_eq!(n, 2, "invalid enum discriminant"); + HeaderError::Immutable + } + }; + v8 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl Fields { + #[allow(unused_unsafe, clippy::all)] + /// Get all of the values corresponding to a name. If the name is not present + /// in this `fields` or is syntactically invalid, an empty list is returned. + /// However, if the name is present but empty, this is represented by a list + /// with one or more empty field-values present. + pub fn get(&self, name: &FieldName) -> _rt::Vec { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let vec0 = name; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + let ptr1 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]fields.get"] + fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0.cast_mut(), len0, ptr1); + let l2 = *ptr1.add(0).cast::<*mut u8>(); + let l3 = *ptr1.add(4).cast::(); + let base7 = l2; + let len7 = l3; + let mut result7 = _rt::Vec::with_capacity(len7); + for i in 0..len7 { + let base = base7.add(i * 8); + let e7 = { + let l4 = *base.add(0).cast::<*mut u8>(); + let l5 = *base.add(4).cast::(); + let len6 = l5; + _rt::Vec::from_raw_parts(l4.cast(), len6, len6) + }; + result7.push(e7); + } + _rt::cabi_dealloc(base7, len7 * 8, 4); + result7 + } + } + } + impl Fields { + #[allow(unused_unsafe, clippy::all)] + /// Returns `true` when the name is present in this `fields`. If the name is + /// syntactically invalid, `false` is returned. + pub fn has(&self, name: &FieldName) -> bool { + unsafe { + let vec0 = name; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]fields.has"] + fn wit_import(_: i32, _: *mut u8, _: usize) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8, _: usize) -> i32 { + unreachable!() + } + let ret = wit_import( + (self).handle() as i32, + ptr0.cast_mut(), + len0, + ); + _rt::bool_lift(ret as u8) + } + } + } + impl Fields { + #[allow(unused_unsafe, clippy::all)] + /// Set all of the values for a name. Clears any existing values for that + /// name, if they have been set. + /// + /// Fails with `header-error.immutable` if the `fields` are immutable. + /// + /// Fails with `header-error.invalid-syntax` if the `field-name` or any of + /// the `field-value`s are syntactically invalid. + pub fn set( + &self, + name: &FieldName, + value: &[FieldValue], + ) -> Result<(), HeaderError> { + unsafe { + #[repr(align(1))] + struct RetArea([::core::mem::MaybeUninit; 2]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 2], + ); + let vec0 = name; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + let vec2 = value; + let len2 = vec2.len(); + let layout2 = _rt::alloc::Layout::from_size_align_unchecked( + vec2.len() * 8, + 4, + ); + let result2 = if layout2.size() != 0 { + let ptr = _rt::alloc::alloc(layout2).cast::(); + if ptr.is_null() { + _rt::alloc::handle_alloc_error(layout2); + } + ptr + } else { + ::core::ptr::null_mut() + }; + for (i, e) in vec2.into_iter().enumerate() { + let base = result2.add(i * 8); + { + let vec1 = e; + let ptr1 = vec1.as_ptr().cast::(); + let len1 = vec1.len(); + *base.add(4).cast::() = len1; + *base.add(0).cast::<*mut u8>() = ptr1.cast_mut(); + } + } + let ptr3 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]fields.set"] + fn wit_import( + _: i32, + _: *mut u8, + _: usize, + _: *mut u8, + _: usize, + _: *mut u8, + ); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import( + _: i32, + _: *mut u8, + _: usize, + _: *mut u8, + _: usize, + _: *mut u8, + ) { + unreachable!() + } + wit_import( + (self).handle() as i32, + ptr0.cast_mut(), + len0, + result2, + len2, + ptr3, + ); + let l4 = i32::from(*ptr3.add(0).cast::()); + if layout2.size() != 0 { + _rt::alloc::dealloc(result2.cast(), layout2); + } + match l4 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l5 = i32::from(*ptr3.add(1).cast::()); + let v6 = match l5 { + 0 => HeaderError::InvalidSyntax, + 1 => HeaderError::Forbidden, + n => { + debug_assert_eq!(n, 2, "invalid enum discriminant"); + HeaderError::Immutable + } + }; + v6 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl Fields { + #[allow(unused_unsafe, clippy::all)] + /// Delete all values for a name. Does nothing if no values for the name + /// exist. + /// + /// Fails with `header-error.immutable` if the `fields` are immutable. + /// + /// Fails with `header-error.invalid-syntax` if the `field-name` is + /// syntactically invalid. + pub fn delete(&self, name: &FieldName) -> Result<(), HeaderError> { + unsafe { + #[repr(align(1))] + struct RetArea([::core::mem::MaybeUninit; 2]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 2], + ); + let vec0 = name; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + let ptr1 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]fields.delete"] + fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0.cast_mut(), len0, ptr1); + let l2 = i32::from(*ptr1.add(0).cast::()); + match l2 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l3 = i32::from(*ptr1.add(1).cast::()); + let v4 = match l3 { + 0 => HeaderError::InvalidSyntax, + 1 => HeaderError::Forbidden, + n => { + debug_assert_eq!(n, 2, "invalid enum discriminant"); + HeaderError::Immutable + } + }; + v4 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl Fields { + #[allow(unused_unsafe, clippy::all)] + /// Append a value for a name. Does not change or delete any existing + /// values for that name. + /// + /// Fails with `header-error.immutable` if the `fields` are immutable. + /// + /// Fails with `header-error.invalid-syntax` if the `field-name` or + /// `field-value` are syntactically invalid. + pub fn append( + &self, + name: &FieldName, + value: &FieldValue, + ) -> Result<(), HeaderError> { + unsafe { + #[repr(align(1))] + struct RetArea([::core::mem::MaybeUninit; 2]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 2], + ); + let vec0 = name; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + let vec1 = value; + let ptr1 = vec1.as_ptr().cast::(); + let len1 = vec1.len(); + let ptr2 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]fields.append"] + fn wit_import( + _: i32, + _: *mut u8, + _: usize, + _: *mut u8, + _: usize, + _: *mut u8, + ); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import( + _: i32, + _: *mut u8, + _: usize, + _: *mut u8, + _: usize, + _: *mut u8, + ) { + unreachable!() + } + wit_import( + (self).handle() as i32, + ptr0.cast_mut(), + len0, + ptr1.cast_mut(), + len1, + ptr2, + ); + let l3 = i32::from(*ptr2.add(0).cast::()); + match l3 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l4 = i32::from(*ptr2.add(1).cast::()); + let v5 = match l4 { + 0 => HeaderError::InvalidSyntax, + 1 => HeaderError::Forbidden, + n => { + debug_assert_eq!(n, 2, "invalid enum discriminant"); + HeaderError::Immutable + } + }; + v5 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl Fields { + #[allow(unused_unsafe, clippy::all)] + /// Retrieve the full set of names and values in the Fields. Like the + /// constructor, the list represents each name-value pair. + /// + /// The outer list represents each name-value pair in the Fields. Names + /// which have multiple values are represented by multiple entries in this + /// list with the same name. + /// + /// The names and values are always returned in the original casing and in + /// the order in which they will be serialized for transport. + pub fn entries(&self) -> _rt::Vec<(FieldName, FieldValue)> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]fields.entries"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = *ptr0.add(0).cast::<*mut u8>(); + let l2 = *ptr0.add(4).cast::(); + let base9 = l1; + let len9 = l2; + let mut result9 = _rt::Vec::with_capacity(len9); + for i in 0..len9 { + let base = base9.add(i * 16); + let e9 = { + let l3 = *base.add(0).cast::<*mut u8>(); + let l4 = *base.add(4).cast::(); + let len5 = l4; + let bytes5 = _rt::Vec::from_raw_parts( + l3.cast(), + len5, + len5, + ); + let l6 = *base.add(8).cast::<*mut u8>(); + let l7 = *base.add(12).cast::(); + let len8 = l7; + ( + _rt::string_lift(bytes5), + _rt::Vec::from_raw_parts(l6.cast(), len8, len8), + ) + }; + result9.push(e9); + } + _rt::cabi_dealloc(base9, len9 * 16, 4); + result9 + } + } + } + impl Fields { + #[allow(unused_unsafe, clippy::all)] + /// Make a deep copy of the Fields. Equivalent in behavior to calling the + /// `fields` constructor on the return value of `entries`. The resulting + /// `fields` is mutable. + pub fn clone(&self) -> Fields { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]fields.clone"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + Fields::from_handle(ret as u32) + } + } + } + impl IncomingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Returns the method of the incoming request. + pub fn method(&self) -> Method { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-request.method"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + let v5 = match l1 { + 0 => Method::Get, + 1 => Method::Head, + 2 => Method::Post, + 3 => Method::Put, + 4 => Method::Delete, + 5 => Method::Connect, + 6 => Method::Options, + 7 => Method::Trace, + 8 => Method::Patch, + n => { + debug_assert_eq!(n, 9, "invalid enum discriminant"); + let e5 = { + let l2 = *ptr0.add(4).cast::<*mut u8>(); + let l3 = *ptr0.add(8).cast::(); + let len4 = l3; + let bytes4 = _rt::Vec::from_raw_parts( + l2.cast(), + len4, + len4, + ); + _rt::string_lift(bytes4) + }; + Method::Other(e5) + } + }; + v5 + } + } + } + impl IncomingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Returns the path with query parameters from the request, as a string. + pub fn path_with_query(&self) -> Option<_rt::String> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-request.path-with-query"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = *ptr0.add(4).cast::<*mut u8>(); + let l3 = *ptr0.add(8).cast::(); + let len4 = l3; + let bytes4 = _rt::Vec::from_raw_parts( + l2.cast(), + len4, + len4, + ); + _rt::string_lift(bytes4) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl IncomingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Returns the protocol scheme from the request. + pub fn scheme(&self) -> Option { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-request.scheme"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = i32::from(*ptr0.add(4).cast::()); + let v6 = match l2 { + 0 => Scheme::Http, + 1 => Scheme::Https, + n => { + debug_assert_eq!(n, 2, "invalid enum discriminant"); + let e6 = { + let l3 = *ptr0.add(8).cast::<*mut u8>(); + let l4 = *ptr0.add(12).cast::(); + let len5 = l4; + let bytes5 = _rt::Vec::from_raw_parts( + l3.cast(), + len5, + len5, + ); + _rt::string_lift(bytes5) + }; + Scheme::Other(e6) + } + }; + v6 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl IncomingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Returns the authority of the Request's target URI, if present. + pub fn authority(&self) -> Option<_rt::String> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-request.authority"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = *ptr0.add(4).cast::<*mut u8>(); + let l3 = *ptr0.add(8).cast::(); + let len4 = l3; + let bytes4 = _rt::Vec::from_raw_parts( + l2.cast(), + len4, + len4, + ); + _rt::string_lift(bytes4) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl IncomingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Get the `headers` associated with the request. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// The `headers` returned are a child resource: it must be dropped before + /// the parent `incoming-request` is dropped. Dropping this + /// `incoming-request` before all children are dropped will trap. + pub fn headers(&self) -> Headers { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-request.headers"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + Fields::from_handle(ret as u32) + } + } + } + impl IncomingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Gives the `incoming-body` associated with this request. Will only + /// return success at most once, and subsequent calls will return error. + pub fn consume(&self) -> Result { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-request.consume"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(4).cast::(); + IncomingBody::from_handle(l2 as u32) + }; + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Construct a new `outgoing-request` with a default `method` of `GET`, and + /// `none` values for `path-with-query`, `scheme`, and `authority`. + /// + /// * `headers` is the HTTP Headers for the Request. + /// + /// It is possible to construct, or manipulate with the accessor functions + /// below, an `outgoing-request` with an invalid combination of `scheme` + /// and `authority`, or `headers` which are not permitted to be sent. + /// It is the obligation of the `outgoing-handler.handle` implementation + /// to reject invalid constructions of `outgoing-request`. + pub fn new(headers: Headers) -> Self { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[constructor]outgoing-request"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((&headers).take_handle() as i32); + OutgoingRequest::from_handle(ret as u32) + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Returns the resource corresponding to the outgoing Body for this + /// Request. + /// + /// Returns success on the first call: the `outgoing-body` resource for + /// this `outgoing-request` can be retrieved at most once. Subsequent + /// calls will return error. + pub fn body(&self) -> Result { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.body"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(4).cast::(); + OutgoingBody::from_handle(l2 as u32) + }; + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Get the Method for the Request. + pub fn method(&self) -> Method { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.method"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + let v5 = match l1 { + 0 => Method::Get, + 1 => Method::Head, + 2 => Method::Post, + 3 => Method::Put, + 4 => Method::Delete, + 5 => Method::Connect, + 6 => Method::Options, + 7 => Method::Trace, + 8 => Method::Patch, + n => { + debug_assert_eq!(n, 9, "invalid enum discriminant"); + let e5 = { + let l2 = *ptr0.add(4).cast::<*mut u8>(); + let l3 = *ptr0.add(8).cast::(); + let len4 = l3; + let bytes4 = _rt::Vec::from_raw_parts( + l2.cast(), + len4, + len4, + ); + _rt::string_lift(bytes4) + }; + Method::Other(e5) + } + }; + v5 + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Set the Method for the Request. Fails if the string present in a + /// `method.other` argument is not a syntactically valid method. + pub fn set_method(&self, method: &Method) -> Result<(), ()> { + unsafe { + let (result1_0, result1_1, result1_2) = match method { + Method::Get => (0i32, ::core::ptr::null_mut(), 0usize), + Method::Head => (1i32, ::core::ptr::null_mut(), 0usize), + Method::Post => (2i32, ::core::ptr::null_mut(), 0usize), + Method::Put => (3i32, ::core::ptr::null_mut(), 0usize), + Method::Delete => (4i32, ::core::ptr::null_mut(), 0usize), + Method::Connect => (5i32, ::core::ptr::null_mut(), 0usize), + Method::Options => (6i32, ::core::ptr::null_mut(), 0usize), + Method::Trace => (7i32, ::core::ptr::null_mut(), 0usize), + Method::Patch => (8i32, ::core::ptr::null_mut(), 0usize), + Method::Other(e) => { + let vec0 = e; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + (9i32, ptr0.cast_mut(), len0) + } + }; + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.set-method"] + fn wit_import(_: i32, _: i32, _: *mut u8, _: usize) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32, _: *mut u8, _: usize) -> i32 { + unreachable!() + } + let ret = wit_import( + (self).handle() as i32, + result1_0, + result1_1, + result1_2, + ); + match ret { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Get the combination of the HTTP Path and Query for the Request. + /// When `none`, this represents an empty Path and empty Query. + pub fn path_with_query(&self) -> Option<_rt::String> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.path-with-query"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = *ptr0.add(4).cast::<*mut u8>(); + let l3 = *ptr0.add(8).cast::(); + let len4 = l3; + let bytes4 = _rt::Vec::from_raw_parts( + l2.cast(), + len4, + len4, + ); + _rt::string_lift(bytes4) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Set the combination of the HTTP Path and Query for the Request. + /// When `none`, this represents an empty Path and empty Query. Fails is the + /// string given is not a syntactically valid path and query uri component. + pub fn set_path_with_query( + &self, + path_with_query: Option<&str>, + ) -> Result<(), ()> { + unsafe { + let (result1_0, result1_1, result1_2) = match path_with_query { + Some(e) => { + let vec0 = e; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + (1i32, ptr0.cast_mut(), len0) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.set-path-with-query"] + fn wit_import(_: i32, _: i32, _: *mut u8, _: usize) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32, _: *mut u8, _: usize) -> i32 { + unreachable!() + } + let ret = wit_import( + (self).handle() as i32, + result1_0, + result1_1, + result1_2, + ); + match ret { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Get the HTTP Related Scheme for the Request. When `none`, the + /// implementation may choose an appropriate default scheme. + pub fn scheme(&self) -> Option { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.scheme"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = i32::from(*ptr0.add(4).cast::()); + let v6 = match l2 { + 0 => Scheme::Http, + 1 => Scheme::Https, + n => { + debug_assert_eq!(n, 2, "invalid enum discriminant"); + let e6 = { + let l3 = *ptr0.add(8).cast::<*mut u8>(); + let l4 = *ptr0.add(12).cast::(); + let len5 = l4; + let bytes5 = _rt::Vec::from_raw_parts( + l3.cast(), + len5, + len5, + ); + _rt::string_lift(bytes5) + }; + Scheme::Other(e6) + } + }; + v6 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Set the HTTP Related Scheme for the Request. When `none`, the + /// implementation may choose an appropriate default scheme. Fails if the + /// string given is not a syntactically valid uri scheme. + pub fn set_scheme(&self, scheme: Option<&Scheme>) -> Result<(), ()> { + unsafe { + let (result2_0, result2_1, result2_2, result2_3) = match scheme { + Some(e) => { + let (result1_0, result1_1, result1_2) = match e { + Scheme::Http => (0i32, ::core::ptr::null_mut(), 0usize), + Scheme::Https => (1i32, ::core::ptr::null_mut(), 0usize), + Scheme::Other(e) => { + let vec0 = e; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + (2i32, ptr0.cast_mut(), len0) + } + }; + (1i32, result1_0, result1_1, result1_2) + } + None => (0i32, 0i32, ::core::ptr::null_mut(), 0usize), + }; + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.set-scheme"] + fn wit_import( + _: i32, + _: i32, + _: i32, + _: *mut u8, + _: usize, + ) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import( + _: i32, + _: i32, + _: i32, + _: *mut u8, + _: usize, + ) -> i32 { + unreachable!() + } + let ret = wit_import( + (self).handle() as i32, + result2_0, + result2_1, + result2_2, + result2_3, + ); + match ret { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Get the authority of the Request's target URI. A value of `none` may be used + /// with Related Schemes which do not require an authority. The HTTP and + /// HTTPS schemes always require an authority. + pub fn authority(&self) -> Option<_rt::String> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.authority"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = *ptr0.add(4).cast::<*mut u8>(); + let l3 = *ptr0.add(8).cast::(); + let len4 = l3; + let bytes4 = _rt::Vec::from_raw_parts( + l2.cast(), + len4, + len4, + ); + _rt::string_lift(bytes4) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Set the authority of the Request's target URI. A value of `none` may be used + /// with Related Schemes which do not require an authority. The HTTP and + /// HTTPS schemes always require an authority. Fails if the string given is + /// not a syntactically valid URI authority. + pub fn set_authority(&self, authority: Option<&str>) -> Result<(), ()> { + unsafe { + let (result1_0, result1_1, result1_2) = match authority { + Some(e) => { + let vec0 = e; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + (1i32, ptr0.cast_mut(), len0) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.set-authority"] + fn wit_import(_: i32, _: i32, _: *mut u8, _: usize) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32, _: *mut u8, _: usize) -> i32 { + unreachable!() + } + let ret = wit_import( + (self).handle() as i32, + result1_0, + result1_1, + result1_2, + ); + match ret { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Get the headers associated with the Request. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// This headers resource is a child: it must be dropped before the parent + /// `outgoing-request` is dropped, or its ownership is transferred to + /// another component by e.g. `outgoing-handler.handle`. + pub fn headers(&self) -> Headers { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.headers"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + Fields::from_handle(ret as u32) + } + } + } + impl RequestOptions { + #[allow(unused_unsafe, clippy::all)] + /// Construct a default `request-options` value. + pub fn new() -> Self { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[constructor]request-options"] + fn wit_import() -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import() -> i32 { + unreachable!() + } + let ret = wit_import(); + RequestOptions::from_handle(ret as u32) + } + } + } + impl RequestOptions { + #[allow(unused_unsafe, clippy::all)] + /// The timeout for the initial connect to the HTTP Server. + pub fn connect_timeout(&self) -> Option { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]request-options.connect-timeout"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = *ptr0.add(8).cast::(); + l2 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl RequestOptions { + #[allow(unused_unsafe, clippy::all)] + /// Set the timeout for the initial connect to the HTTP Server. An error + /// return value indicates that this timeout is not supported. + pub fn set_connect_timeout( + &self, + duration: Option, + ) -> Result<(), ()> { + unsafe { + let (result0_0, result0_1) = match duration { + Some(e) => (1i32, _rt::as_i64(e)), + None => (0i32, 0i64), + }; + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]request-options.set-connect-timeout"] + fn wit_import(_: i32, _: i32, _: i64) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32, _: i64) -> i32 { + unreachable!() + } + let ret = wit_import( + (self).handle() as i32, + result0_0, + result0_1, + ); + match ret { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl RequestOptions { + #[allow(unused_unsafe, clippy::all)] + /// The timeout for receiving the first byte of the Response body. + pub fn first_byte_timeout(&self) -> Option { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]request-options.first-byte-timeout"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = *ptr0.add(8).cast::(); + l2 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl RequestOptions { + #[allow(unused_unsafe, clippy::all)] + /// Set the timeout for receiving the first byte of the Response body. An + /// error return value indicates that this timeout is not supported. + pub fn set_first_byte_timeout( + &self, + duration: Option, + ) -> Result<(), ()> { + unsafe { + let (result0_0, result0_1) = match duration { + Some(e) => (1i32, _rt::as_i64(e)), + None => (0i32, 0i64), + }; + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]request-options.set-first-byte-timeout"] + fn wit_import(_: i32, _: i32, _: i64) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32, _: i64) -> i32 { + unreachable!() + } + let ret = wit_import( + (self).handle() as i32, + result0_0, + result0_1, + ); + match ret { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl RequestOptions { + #[allow(unused_unsafe, clippy::all)] + /// The timeout for receiving subsequent chunks of bytes in the Response + /// body stream. + pub fn between_bytes_timeout(&self) -> Option { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]request-options.between-bytes-timeout"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = *ptr0.add(8).cast::(); + l2 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl RequestOptions { + #[allow(unused_unsafe, clippy::all)] + /// Set the timeout for receiving subsequent chunks of bytes in the Response + /// body stream. An error return value indicates that this timeout is not + /// supported. + pub fn set_between_bytes_timeout( + &self, + duration: Option, + ) -> Result<(), ()> { + unsafe { + let (result0_0, result0_1) = match duration { + Some(e) => (1i32, _rt::as_i64(e)), + None => (0i32, 0i64), + }; + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]request-options.set-between-bytes-timeout"] + fn wit_import(_: i32, _: i32, _: i64) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32, _: i64) -> i32 { + unreachable!() + } + let ret = wit_import( + (self).handle() as i32, + result0_0, + result0_1, + ); + match ret { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl ResponseOutparam { + #[allow(unused_unsafe, clippy::all)] + /// Set the value of the `response-outparam` to either send a response, + /// or indicate an error. + /// + /// This method consumes the `response-outparam` to ensure that it is + /// called at most once. If it is never called, the implementation + /// will respond with an error. + /// + /// The user may provide an `error` to `response` to allow the + /// implementation determine how to respond with an HTTP error response. + pub fn set( + param: ResponseOutparam, + response: Result, + ) { + unsafe { + let ( + result38_0, + result38_1, + result38_2, + result38_3, + result38_4, + result38_5, + result38_6, + result38_7, + ) = match &response { + Ok(e) => { + ( + 0i32, + (e).take_handle() as i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + Err(e) => { + let ( + result37_0, + result37_1, + result37_2, + result37_3, + result37_4, + result37_5, + result37_6, + ) = match e { + ErrorCode::DnsTimeout => { + ( + 0i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::DnsError(e) => { + let DnsErrorPayload { + rcode: rcode0, + info_code: info_code0, + } = e; + let (result2_0, result2_1, result2_2) = match rcode0 { + Some(e) => { + let vec1 = e; + let ptr1 = vec1.as_ptr().cast::(); + let len1 = vec1.len(); + (1i32, ptr1.cast_mut(), len1) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + let (result3_0, result3_1) = match info_code0 { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + ( + 1i32, + result2_0, + { + let mut t = ::core::mem::MaybeUninit::::uninit(); + t.as_mut_ptr().cast::<*mut u8>().write(result2_1); + t + }, + result2_2 as *mut u8, + result3_0 as *mut u8, + result3_1 as usize, + 0i32, + ) + } + ErrorCode::DestinationNotFound => { + ( + 2i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::DestinationUnavailable => { + ( + 3i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::DestinationIpProhibited => { + ( + 4i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::DestinationIpUnroutable => { + ( + 5i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::ConnectionRefused => { + ( + 6i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::ConnectionTerminated => { + ( + 7i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::ConnectionTimeout => { + ( + 8i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::ConnectionReadTimeout => { + ( + 9i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::ConnectionWriteTimeout => { + ( + 10i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::ConnectionLimitReached => { + ( + 11i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::TlsProtocolError => { + ( + 12i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::TlsCertificateError => { + ( + 13i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::TlsAlertReceived(e) => { + let TlsAlertReceivedPayload { + alert_id: alert_id4, + alert_message: alert_message4, + } = e; + let (result5_0, result5_1) = match alert_id4 { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + let (result7_0, result7_1, result7_2) = match alert_message4 { + Some(e) => { + let vec6 = e; + let ptr6 = vec6.as_ptr().cast::(); + let len6 = vec6.len(); + (1i32, ptr6.cast_mut(), len6) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + ( + 14i32, + result5_0, + ::core::mem::MaybeUninit::new(i64::from(result5_1) as u64), + result7_0 as *mut u8, + result7_1, + result7_2, + 0i32, + ) + } + ErrorCode::HttpRequestDenied => { + ( + 15i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpRequestLengthRequired => { + ( + 16i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpRequestBodySize(e) => { + let (result8_0, result8_1) = match e { + Some(e) => (1i32, _rt::as_i64(e)), + None => (0i32, 0i64), + }; + ( + 17i32, + result8_0, + ::core::mem::MaybeUninit::new(result8_1 as u64), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpRequestMethodInvalid => { + ( + 18i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpRequestUriInvalid => { + ( + 19i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpRequestUriTooLong => { + ( + 20i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpRequestHeaderSectionSize(e) => { + let (result9_0, result9_1) = match e { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + ( + 21i32, + result9_0, + ::core::mem::MaybeUninit::new(i64::from(result9_1) as u64), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpRequestHeaderSize(e) => { + let ( + result14_0, + result14_1, + result14_2, + result14_3, + result14_4, + result14_5, + ) = match e { + Some(e) => { + let FieldSizePayload { + field_name: field_name10, + field_size: field_size10, + } = e; + let (result12_0, result12_1, result12_2) = match field_name10 { + Some(e) => { + let vec11 = e; + let ptr11 = vec11.as_ptr().cast::(); + let len11 = vec11.len(); + (1i32, ptr11.cast_mut(), len11) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + let (result13_0, result13_1) = match field_size10 { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + ( + 1i32, + result12_0, + result12_1, + result12_2, + result13_0, + result13_1, + ) + } + None => { + (0i32, 0i32, ::core::ptr::null_mut(), 0usize, 0i32, 0i32) + } + }; + ( + 22i32, + result14_0, + ::core::mem::MaybeUninit::new(i64::from(result14_1) as u64), + result14_2, + result14_3 as *mut u8, + result14_4 as usize, + result14_5, + ) + } + ErrorCode::HttpRequestTrailerSectionSize(e) => { + let (result15_0, result15_1) = match e { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + ( + 23i32, + result15_0, + ::core::mem::MaybeUninit::new(i64::from(result15_1) as u64), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpRequestTrailerSize(e) => { + let FieldSizePayload { + field_name: field_name16, + field_size: field_size16, + } = e; + let (result18_0, result18_1, result18_2) = match field_name16 { + Some(e) => { + let vec17 = e; + let ptr17 = vec17.as_ptr().cast::(); + let len17 = vec17.len(); + (1i32, ptr17.cast_mut(), len17) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + let (result19_0, result19_1) = match field_size16 { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + ( + 24i32, + result18_0, + { + let mut t = ::core::mem::MaybeUninit::::uninit(); + t.as_mut_ptr().cast::<*mut u8>().write(result18_1); + t + }, + result18_2 as *mut u8, + result19_0 as *mut u8, + result19_1 as usize, + 0i32, + ) + } + ErrorCode::HttpResponseIncomplete => { + ( + 25i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpResponseHeaderSectionSize(e) => { + let (result20_0, result20_1) = match e { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + ( + 26i32, + result20_0, + ::core::mem::MaybeUninit::new(i64::from(result20_1) as u64), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpResponseHeaderSize(e) => { + let FieldSizePayload { + field_name: field_name21, + field_size: field_size21, + } = e; + let (result23_0, result23_1, result23_2) = match field_name21 { + Some(e) => { + let vec22 = e; + let ptr22 = vec22.as_ptr().cast::(); + let len22 = vec22.len(); + (1i32, ptr22.cast_mut(), len22) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + let (result24_0, result24_1) = match field_size21 { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + ( + 27i32, + result23_0, + { + let mut t = ::core::mem::MaybeUninit::::uninit(); + t.as_mut_ptr().cast::<*mut u8>().write(result23_1); + t + }, + result23_2 as *mut u8, + result24_0 as *mut u8, + result24_1 as usize, + 0i32, + ) + } + ErrorCode::HttpResponseBodySize(e) => { + let (result25_0, result25_1) = match e { + Some(e) => (1i32, _rt::as_i64(e)), + None => (0i32, 0i64), + }; + ( + 28i32, + result25_0, + ::core::mem::MaybeUninit::new(result25_1 as u64), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpResponseTrailerSectionSize(e) => { + let (result26_0, result26_1) = match e { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + ( + 29i32, + result26_0, + ::core::mem::MaybeUninit::new(i64::from(result26_1) as u64), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpResponseTrailerSize(e) => { + let FieldSizePayload { + field_name: field_name27, + field_size: field_size27, + } = e; + let (result29_0, result29_1, result29_2) = match field_name27 { + Some(e) => { + let vec28 = e; + let ptr28 = vec28.as_ptr().cast::(); + let len28 = vec28.len(); + (1i32, ptr28.cast_mut(), len28) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + let (result30_0, result30_1) = match field_size27 { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + ( + 30i32, + result29_0, + { + let mut t = ::core::mem::MaybeUninit::::uninit(); + t.as_mut_ptr().cast::<*mut u8>().write(result29_1); + t + }, + result29_2 as *mut u8, + result30_0 as *mut u8, + result30_1 as usize, + 0i32, + ) + } + ErrorCode::HttpResponseTransferCoding(e) => { + let (result32_0, result32_1, result32_2) = match e { + Some(e) => { + let vec31 = e; + let ptr31 = vec31.as_ptr().cast::(); + let len31 = vec31.len(); + (1i32, ptr31.cast_mut(), len31) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + ( + 31i32, + result32_0, + { + let mut t = ::core::mem::MaybeUninit::::uninit(); + t.as_mut_ptr().cast::<*mut u8>().write(result32_1); + t + }, + result32_2 as *mut u8, + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpResponseContentCoding(e) => { + let (result34_0, result34_1, result34_2) = match e { + Some(e) => { + let vec33 = e; + let ptr33 = vec33.as_ptr().cast::(); + let len33 = vec33.len(); + (1i32, ptr33.cast_mut(), len33) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + ( + 32i32, + result34_0, + { + let mut t = ::core::mem::MaybeUninit::::uninit(); + t.as_mut_ptr().cast::<*mut u8>().write(result34_1); + t + }, + result34_2 as *mut u8, + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpResponseTimeout => { + ( + 33i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpUpgradeFailed => { + ( + 34i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpProtocolError => { + ( + 35i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::LoopDetected => { + ( + 36i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::ConfigurationError => { + ( + 37i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::InternalError(e) => { + let (result36_0, result36_1, result36_2) = match e { + Some(e) => { + let vec35 = e; + let ptr35 = vec35.as_ptr().cast::(); + let len35 = vec35.len(); + (1i32, ptr35.cast_mut(), len35) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + ( + 38i32, + result36_0, + { + let mut t = ::core::mem::MaybeUninit::::uninit(); + t.as_mut_ptr().cast::<*mut u8>().write(result36_1); + t + }, + result36_2 as *mut u8, + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + }; + ( + 1i32, + result37_0, + result37_1, + result37_2, + result37_3, + result37_4, + result37_5, + result37_6, + ) + } + }; + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[static]response-outparam.set"] + fn wit_import( + _: i32, + _: i32, + _: i32, + _: i32, + _: ::core::mem::MaybeUninit, + _: *mut u8, + _: *mut u8, + _: usize, + _: i32, + ); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import( + _: i32, + _: i32, + _: i32, + _: i32, + _: ::core::mem::MaybeUninit, + _: *mut u8, + _: *mut u8, + _: usize, + _: i32, + ) { + unreachable!() + } + wit_import( + (¶m).take_handle() as i32, + result38_0, + result38_1, + result38_2, + result38_3, + result38_4, + result38_5, + result38_6, + result38_7, + ); + } + } + } + impl IncomingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Returns the status code from the incoming response. + pub fn status(&self) -> StatusCode { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-response.status"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + ret as u16 + } + } + } + impl IncomingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Returns the headers from the incoming response. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// This headers resource is a child: it must be dropped before the parent + /// `incoming-response` is dropped. + pub fn headers(&self) -> Headers { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-response.headers"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + Fields::from_handle(ret as u32) + } + } + } + impl IncomingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Returns the incoming body. May be called at most once. Returns error + /// if called additional times. + pub fn consume(&self) -> Result { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-response.consume"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(4).cast::(); + IncomingBody::from_handle(l2 as u32) + }; + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl IncomingBody { + #[allow(unused_unsafe, clippy::all)] + /// Returns the contents of the body, as a stream of bytes. + /// + /// Returns success on first call: the stream representing the contents + /// can be retrieved at most once. Subsequent calls will return error. + /// + /// The returned `input-stream` resource is a child: it must be dropped + /// before the parent `incoming-body` is dropped, or consumed by + /// `incoming-body.finish`. + /// + /// This invariant ensures that the implementation can determine whether + /// the user is consuming the contents of the body, waiting on the + /// `future-trailers` to be ready, or neither. This allows for network + /// backpressure is to be applied when the user is consuming the body, + /// and for that backpressure to not inhibit delivery of the trailers if + /// the user does not read the entire body. + pub fn stream(&self) -> Result { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-body.stream"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(4).cast::(); + super::super::super::wasi::io::streams::InputStream::from_handle( + l2 as u32, + ) + }; + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl IncomingBody { + #[allow(unused_unsafe, clippy::all)] + /// Takes ownership of `incoming-body`, and returns a `future-trailers`. + /// This function will trap if the `input-stream` child is still alive. + pub fn finish(this: IncomingBody) -> FutureTrailers { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[static]incoming-body.finish"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((&this).take_handle() as i32); + FutureTrailers::from_handle(ret as u32) + } + } + } + impl FutureTrailers { + #[allow(unused_unsafe, clippy::all)] + /// Returns a pollable which becomes ready when either the trailers have + /// been received, or an error has occurred. When this pollable is ready, + /// the `get` method will return `some`. + pub fn subscribe(&self) -> Pollable { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]future-trailers.subscribe"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + super::super::super::wasi::io::poll::Pollable::from_handle( + ret as u32, + ) + } + } + } + impl FutureTrailers { + #[allow(unused_unsafe, clippy::all)] + /// Returns the contents of the trailers, or an error which occurred, + /// once the future is ready. + /// + /// The outer `option` represents future readiness. Users can wait on this + /// `option` to become `some` using the `subscribe` method. + /// + /// The outer `result` is used to retrieve the trailers or error at most + /// once. It will be success on the first call in which the outer option + /// is `some`, and error on subsequent calls. + /// + /// The inner `result` represents that either the HTTP Request or Response + /// body, as well as any trailers, were received successfully, or that an + /// error occurred receiving them. The optional `trailers` indicates whether + /// or not trailers were present in the body. + /// + /// When some `trailers` are returned by this method, the `trailers` + /// resource is immutable, and a child. Use of the `set`, `append`, or + /// `delete` methods will return an error, and the resource must be + /// dropped before the parent `future-trailers` is dropped. + pub fn get( + &self, + ) -> Option, ErrorCode>, ()>> { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 56]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 56], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]future-trailers.get"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = i32::from(*ptr0.add(8).cast::()); + match l2 { + 0 => { + let e = { + let l3 = i32::from(*ptr0.add(16).cast::()); + match l3 { + 0 => { + let e = { + let l4 = i32::from(*ptr0.add(24).cast::()); + match l4 { + 0 => None, + 1 => { + let e = { + let l5 = *ptr0.add(28).cast::(); + Fields::from_handle(l5 as u32) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + Ok(e) + } + 1 => { + let e = { + let l6 = i32::from(*ptr0.add(24).cast::()); + let v68 = match l6 { + 0 => ErrorCode::DnsTimeout, + 1 => { + let e68 = { + let l7 = i32::from(*ptr0.add(32).cast::()); + let l11 = i32::from(*ptr0.add(44).cast::()); + DnsErrorPayload { + rcode: match l7 { + 0 => None, + 1 => { + let e = { + let l8 = *ptr0.add(36).cast::<*mut u8>(); + let l9 = *ptr0.add(40).cast::(); + let len10 = l9; + let bytes10 = _rt::Vec::from_raw_parts( + l8.cast(), + len10, + len10, + ); + _rt::string_lift(bytes10) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + info_code: match l11 { + 0 => None, + 1 => { + let e = { + let l12 = i32::from(*ptr0.add(46).cast::()); + l12 as u16 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::DnsError(e68) + } + 2 => ErrorCode::DestinationNotFound, + 3 => ErrorCode::DestinationUnavailable, + 4 => ErrorCode::DestinationIpProhibited, + 5 => ErrorCode::DestinationIpUnroutable, + 6 => ErrorCode::ConnectionRefused, + 7 => ErrorCode::ConnectionTerminated, + 8 => ErrorCode::ConnectionTimeout, + 9 => ErrorCode::ConnectionReadTimeout, + 10 => ErrorCode::ConnectionWriteTimeout, + 11 => ErrorCode::ConnectionLimitReached, + 12 => ErrorCode::TlsProtocolError, + 13 => ErrorCode::TlsCertificateError, + 14 => { + let e68 = { + let l13 = i32::from(*ptr0.add(32).cast::()); + let l15 = i32::from(*ptr0.add(36).cast::()); + TlsAlertReceivedPayload { + alert_id: match l13 { + 0 => None, + 1 => { + let e = { + let l14 = i32::from(*ptr0.add(33).cast::()); + l14 as u8 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + alert_message: match l15 { + 0 => None, + 1 => { + let e = { + let l16 = *ptr0.add(40).cast::<*mut u8>(); + let l17 = *ptr0.add(44).cast::(); + let len18 = l17; + let bytes18 = _rt::Vec::from_raw_parts( + l16.cast(), + len18, + len18, + ); + _rt::string_lift(bytes18) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::TlsAlertReceived(e68) + } + 15 => ErrorCode::HttpRequestDenied, + 16 => ErrorCode::HttpRequestLengthRequired, + 17 => { + let e68 = { + let l19 = i32::from(*ptr0.add(32).cast::()); + match l19 { + 0 => None, + 1 => { + let e = { + let l20 = *ptr0.add(40).cast::(); + l20 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestBodySize(e68) + } + 18 => ErrorCode::HttpRequestMethodInvalid, + 19 => ErrorCode::HttpRequestUriInvalid, + 20 => ErrorCode::HttpRequestUriTooLong, + 21 => { + let e68 = { + let l21 = i32::from(*ptr0.add(32).cast::()); + match l21 { + 0 => None, + 1 => { + let e = { + let l22 = *ptr0.add(36).cast::(); + l22 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestHeaderSectionSize(e68) + } + 22 => { + let e68 = { + let l23 = i32::from(*ptr0.add(32).cast::()); + match l23 { + 0 => None, + 1 => { + let e = { + let l24 = i32::from(*ptr0.add(36).cast::()); + let l28 = i32::from(*ptr0.add(48).cast::()); + FieldSizePayload { + field_name: match l24 { + 0 => None, + 1 => { + let e = { + let l25 = *ptr0.add(40).cast::<*mut u8>(); + let l26 = *ptr0.add(44).cast::(); + let len27 = l26; + let bytes27 = _rt::Vec::from_raw_parts( + l25.cast(), + len27, + len27, + ); + _rt::string_lift(bytes27) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l28 { + 0 => None, + 1 => { + let e = { + let l29 = *ptr0.add(52).cast::(); + l29 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestHeaderSize(e68) + } + 23 => { + let e68 = { + let l30 = i32::from(*ptr0.add(32).cast::()); + match l30 { + 0 => None, + 1 => { + let e = { + let l31 = *ptr0.add(36).cast::(); + l31 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestTrailerSectionSize(e68) + } + 24 => { + let e68 = { + let l32 = i32::from(*ptr0.add(32).cast::()); + let l36 = i32::from(*ptr0.add(44).cast::()); + FieldSizePayload { + field_name: match l32 { + 0 => None, + 1 => { + let e = { + let l33 = *ptr0.add(36).cast::<*mut u8>(); + let l34 = *ptr0.add(40).cast::(); + let len35 = l34; + let bytes35 = _rt::Vec::from_raw_parts( + l33.cast(), + len35, + len35, + ); + _rt::string_lift(bytes35) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l36 { + 0 => None, + 1 => { + let e = { + let l37 = *ptr0.add(48).cast::(); + l37 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpRequestTrailerSize(e68) + } + 25 => ErrorCode::HttpResponseIncomplete, + 26 => { + let e68 = { + let l38 = i32::from(*ptr0.add(32).cast::()); + match l38 { + 0 => None, + 1 => { + let e = { + let l39 = *ptr0.add(36).cast::(); + l39 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseHeaderSectionSize(e68) + } + 27 => { + let e68 = { + let l40 = i32::from(*ptr0.add(32).cast::()); + let l44 = i32::from(*ptr0.add(44).cast::()); + FieldSizePayload { + field_name: match l40 { + 0 => None, + 1 => { + let e = { + let l41 = *ptr0.add(36).cast::<*mut u8>(); + let l42 = *ptr0.add(40).cast::(); + let len43 = l42; + let bytes43 = _rt::Vec::from_raw_parts( + l41.cast(), + len43, + len43, + ); + _rt::string_lift(bytes43) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l44 { + 0 => None, + 1 => { + let e = { + let l45 = *ptr0.add(48).cast::(); + l45 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpResponseHeaderSize(e68) + } + 28 => { + let e68 = { + let l46 = i32::from(*ptr0.add(32).cast::()); + match l46 { + 0 => None, + 1 => { + let e = { + let l47 = *ptr0.add(40).cast::(); + l47 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseBodySize(e68) + } + 29 => { + let e68 = { + let l48 = i32::from(*ptr0.add(32).cast::()); + match l48 { + 0 => None, + 1 => { + let e = { + let l49 = *ptr0.add(36).cast::(); + l49 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseTrailerSectionSize(e68) + } + 30 => { + let e68 = { + let l50 = i32::from(*ptr0.add(32).cast::()); + let l54 = i32::from(*ptr0.add(44).cast::()); + FieldSizePayload { + field_name: match l50 { + 0 => None, + 1 => { + let e = { + let l51 = *ptr0.add(36).cast::<*mut u8>(); + let l52 = *ptr0.add(40).cast::(); + let len53 = l52; + let bytes53 = _rt::Vec::from_raw_parts( + l51.cast(), + len53, + len53, + ); + _rt::string_lift(bytes53) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l54 { + 0 => None, + 1 => { + let e = { + let l55 = *ptr0.add(48).cast::(); + l55 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpResponseTrailerSize(e68) + } + 31 => { + let e68 = { + let l56 = i32::from(*ptr0.add(32).cast::()); + match l56 { + 0 => None, + 1 => { + let e = { + let l57 = *ptr0.add(36).cast::<*mut u8>(); + let l58 = *ptr0.add(40).cast::(); + let len59 = l58; + let bytes59 = _rt::Vec::from_raw_parts( + l57.cast(), + len59, + len59, + ); + _rt::string_lift(bytes59) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseTransferCoding(e68) + } + 32 => { + let e68 = { + let l60 = i32::from(*ptr0.add(32).cast::()); + match l60 { + 0 => None, + 1 => { + let e = { + let l61 = *ptr0.add(36).cast::<*mut u8>(); + let l62 = *ptr0.add(40).cast::(); + let len63 = l62; + let bytes63 = _rt::Vec::from_raw_parts( + l61.cast(), + len63, + len63, + ); + _rt::string_lift(bytes63) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseContentCoding(e68) + } + 33 => ErrorCode::HttpResponseTimeout, + 34 => ErrorCode::HttpUpgradeFailed, + 35 => ErrorCode::HttpProtocolError, + 36 => ErrorCode::LoopDetected, + 37 => ErrorCode::ConfigurationError, + n => { + debug_assert_eq!(n, 38, "invalid enum discriminant"); + let e68 = { + let l64 = i32::from(*ptr0.add(32).cast::()); + match l64 { + 0 => None, + 1 => { + let e = { + let l65 = *ptr0.add(36).cast::<*mut u8>(); + let l66 = *ptr0.add(40).cast::(); + let len67 = l66; + let bytes67 = _rt::Vec::from_raw_parts( + l65.cast(), + len67, + len67, + ); + _rt::string_lift(bytes67) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::InternalError(e68) + } + }; + v68 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Construct an `outgoing-response`, with a default `status-code` of `200`. + /// If a different `status-code` is needed, it must be set via the + /// `set-status-code` method. + /// + /// * `headers` is the HTTP Headers for the Response. + pub fn new(headers: Headers) -> Self { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[constructor]outgoing-response"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((&headers).take_handle() as i32); + OutgoingResponse::from_handle(ret as u32) + } + } + } + impl OutgoingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Get the HTTP Status Code for the Response. + pub fn status_code(&self) -> StatusCode { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-response.status-code"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + ret as u16 + } + } + } + impl OutgoingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Set the HTTP Status Code for the Response. Fails if the status-code + /// given is not a valid http status code. + pub fn set_status_code( + &self, + status_code: StatusCode, + ) -> Result<(), ()> { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-response.set-status-code"] + fn wit_import(_: i32, _: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32) -> i32 { + unreachable!() + } + let ret = wit_import( + (self).handle() as i32, + _rt::as_i32(status_code), + ); + match ret { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Get the headers associated with the Request. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// This headers resource is a child: it must be dropped before the parent + /// `outgoing-request` is dropped, or its ownership is transferred to + /// another component by e.g. `outgoing-handler.handle`. + pub fn headers(&self) -> Headers { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-response.headers"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + Fields::from_handle(ret as u32) + } + } + } + impl OutgoingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Returns the resource corresponding to the outgoing Body for this Response. + /// + /// Returns success on the first call: the `outgoing-body` resource for + /// this `outgoing-response` can be retrieved at most once. Subsequent + /// calls will return error. + pub fn body(&self) -> Result { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-response.body"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(4).cast::(); + OutgoingBody::from_handle(l2 as u32) + }; + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingBody { + #[allow(unused_unsafe, clippy::all)] + /// Returns a stream for writing the body contents. + /// + /// The returned `output-stream` is a child resource: it must be dropped + /// before the parent `outgoing-body` resource is dropped (or finished), + /// otherwise the `outgoing-body` drop or `finish` will trap. + /// + /// Returns success on the first call: the `output-stream` resource for + /// this `outgoing-body` may be retrieved at most once. Subsequent calls + /// will return error. + pub fn write(&self) -> Result { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-body.write"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(4).cast::(); + super::super::super::wasi::io::streams::OutputStream::from_handle( + l2 as u32, + ) + }; + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingBody { + #[allow(unused_unsafe, clippy::all)] + /// Finalize an outgoing body, optionally providing trailers. This must be + /// called to signal that the response is complete. If the `outgoing-body` + /// is dropped without calling `outgoing-body.finalize`, the implementation + /// should treat the body as corrupted. + /// + /// Fails if the body's `outgoing-request` or `outgoing-response` was + /// constructed with a Content-Length header, and the contents written + /// to the body (via `write`) does not match the value given in the + /// Content-Length. + pub fn finish( + this: OutgoingBody, + trailers: Option, + ) -> Result<(), ErrorCode> { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 40]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 40], + ); + let (result0_0, result0_1) = match &trailers { + Some(e) => (1i32, (e).take_handle() as i32), + None => (0i32, 0i32), + }; + let ptr1 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[static]outgoing-body.finish"] + fn wit_import(_: i32, _: i32, _: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32, _: i32, _: *mut u8) { + unreachable!() + } + wit_import( + (&this).take_handle() as i32, + result0_0, + result0_1, + ptr1, + ); + let l2 = i32::from(*ptr1.add(0).cast::()); + match l2 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l3 = i32::from(*ptr1.add(8).cast::()); + let v65 = match l3 { + 0 => ErrorCode::DnsTimeout, + 1 => { + let e65 = { + let l4 = i32::from(*ptr1.add(16).cast::()); + let l8 = i32::from(*ptr1.add(28).cast::()); + DnsErrorPayload { + rcode: match l4 { + 0 => None, + 1 => { + let e = { + let l5 = *ptr1.add(20).cast::<*mut u8>(); + let l6 = *ptr1.add(24).cast::(); + let len7 = l6; + let bytes7 = _rt::Vec::from_raw_parts( + l5.cast(), + len7, + len7, + ); + _rt::string_lift(bytes7) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + info_code: match l8 { + 0 => None, + 1 => { + let e = { + let l9 = i32::from(*ptr1.add(30).cast::()); + l9 as u16 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::DnsError(e65) + } + 2 => ErrorCode::DestinationNotFound, + 3 => ErrorCode::DestinationUnavailable, + 4 => ErrorCode::DestinationIpProhibited, + 5 => ErrorCode::DestinationIpUnroutable, + 6 => ErrorCode::ConnectionRefused, + 7 => ErrorCode::ConnectionTerminated, + 8 => ErrorCode::ConnectionTimeout, + 9 => ErrorCode::ConnectionReadTimeout, + 10 => ErrorCode::ConnectionWriteTimeout, + 11 => ErrorCode::ConnectionLimitReached, + 12 => ErrorCode::TlsProtocolError, + 13 => ErrorCode::TlsCertificateError, + 14 => { + let e65 = { + let l10 = i32::from(*ptr1.add(16).cast::()); + let l12 = i32::from(*ptr1.add(20).cast::()); + TlsAlertReceivedPayload { + alert_id: match l10 { + 0 => None, + 1 => { + let e = { + let l11 = i32::from(*ptr1.add(17).cast::()); + l11 as u8 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + alert_message: match l12 { + 0 => None, + 1 => { + let e = { + let l13 = *ptr1.add(24).cast::<*mut u8>(); + let l14 = *ptr1.add(28).cast::(); + let len15 = l14; + let bytes15 = _rt::Vec::from_raw_parts( + l13.cast(), + len15, + len15, + ); + _rt::string_lift(bytes15) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::TlsAlertReceived(e65) + } + 15 => ErrorCode::HttpRequestDenied, + 16 => ErrorCode::HttpRequestLengthRequired, + 17 => { + let e65 = { + let l16 = i32::from(*ptr1.add(16).cast::()); + match l16 { + 0 => None, + 1 => { + let e = { + let l17 = *ptr1.add(24).cast::(); + l17 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestBodySize(e65) + } + 18 => ErrorCode::HttpRequestMethodInvalid, + 19 => ErrorCode::HttpRequestUriInvalid, + 20 => ErrorCode::HttpRequestUriTooLong, + 21 => { + let e65 = { + let l18 = i32::from(*ptr1.add(16).cast::()); + match l18 { + 0 => None, + 1 => { + let e = { + let l19 = *ptr1.add(20).cast::(); + l19 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestHeaderSectionSize(e65) + } + 22 => { + let e65 = { + let l20 = i32::from(*ptr1.add(16).cast::()); + match l20 { + 0 => None, + 1 => { + let e = { + let l21 = i32::from(*ptr1.add(20).cast::()); + let l25 = i32::from(*ptr1.add(32).cast::()); + FieldSizePayload { + field_name: match l21 { + 0 => None, + 1 => { + let e = { + let l22 = *ptr1.add(24).cast::<*mut u8>(); + let l23 = *ptr1.add(28).cast::(); + let len24 = l23; + let bytes24 = _rt::Vec::from_raw_parts( + l22.cast(), + len24, + len24, + ); + _rt::string_lift(bytes24) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l25 { + 0 => None, + 1 => { + let e = { + let l26 = *ptr1.add(36).cast::(); + l26 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestHeaderSize(e65) + } + 23 => { + let e65 = { + let l27 = i32::from(*ptr1.add(16).cast::()); + match l27 { + 0 => None, + 1 => { + let e = { + let l28 = *ptr1.add(20).cast::(); + l28 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestTrailerSectionSize(e65) + } + 24 => { + let e65 = { + let l29 = i32::from(*ptr1.add(16).cast::()); + let l33 = i32::from(*ptr1.add(28).cast::()); + FieldSizePayload { + field_name: match l29 { + 0 => None, + 1 => { + let e = { + let l30 = *ptr1.add(20).cast::<*mut u8>(); + let l31 = *ptr1.add(24).cast::(); + let len32 = l31; + let bytes32 = _rt::Vec::from_raw_parts( + l30.cast(), + len32, + len32, + ); + _rt::string_lift(bytes32) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l33 { + 0 => None, + 1 => { + let e = { + let l34 = *ptr1.add(32).cast::(); + l34 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpRequestTrailerSize(e65) + } + 25 => ErrorCode::HttpResponseIncomplete, + 26 => { + let e65 = { + let l35 = i32::from(*ptr1.add(16).cast::()); + match l35 { + 0 => None, + 1 => { + let e = { + let l36 = *ptr1.add(20).cast::(); + l36 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseHeaderSectionSize(e65) + } + 27 => { + let e65 = { + let l37 = i32::from(*ptr1.add(16).cast::()); + let l41 = i32::from(*ptr1.add(28).cast::()); + FieldSizePayload { + field_name: match l37 { + 0 => None, + 1 => { + let e = { + let l38 = *ptr1.add(20).cast::<*mut u8>(); + let l39 = *ptr1.add(24).cast::(); + let len40 = l39; + let bytes40 = _rt::Vec::from_raw_parts( + l38.cast(), + len40, + len40, + ); + _rt::string_lift(bytes40) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l41 { + 0 => None, + 1 => { + let e = { + let l42 = *ptr1.add(32).cast::(); + l42 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpResponseHeaderSize(e65) + } + 28 => { + let e65 = { + let l43 = i32::from(*ptr1.add(16).cast::()); + match l43 { + 0 => None, + 1 => { + let e = { + let l44 = *ptr1.add(24).cast::(); + l44 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseBodySize(e65) + } + 29 => { + let e65 = { + let l45 = i32::from(*ptr1.add(16).cast::()); + match l45 { + 0 => None, + 1 => { + let e = { + let l46 = *ptr1.add(20).cast::(); + l46 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseTrailerSectionSize(e65) + } + 30 => { + let e65 = { + let l47 = i32::from(*ptr1.add(16).cast::()); + let l51 = i32::from(*ptr1.add(28).cast::()); + FieldSizePayload { + field_name: match l47 { + 0 => None, + 1 => { + let e = { + let l48 = *ptr1.add(20).cast::<*mut u8>(); + let l49 = *ptr1.add(24).cast::(); + let len50 = l49; + let bytes50 = _rt::Vec::from_raw_parts( + l48.cast(), + len50, + len50, + ); + _rt::string_lift(bytes50) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l51 { + 0 => None, + 1 => { + let e = { + let l52 = *ptr1.add(32).cast::(); + l52 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpResponseTrailerSize(e65) + } + 31 => { + let e65 = { + let l53 = i32::from(*ptr1.add(16).cast::()); + match l53 { + 0 => None, + 1 => { + let e = { + let l54 = *ptr1.add(20).cast::<*mut u8>(); + let l55 = *ptr1.add(24).cast::(); + let len56 = l55; + let bytes56 = _rt::Vec::from_raw_parts( + l54.cast(), + len56, + len56, + ); + _rt::string_lift(bytes56) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseTransferCoding(e65) + } + 32 => { + let e65 = { + let l57 = i32::from(*ptr1.add(16).cast::()); + match l57 { + 0 => None, + 1 => { + let e = { + let l58 = *ptr1.add(20).cast::<*mut u8>(); + let l59 = *ptr1.add(24).cast::(); + let len60 = l59; + let bytes60 = _rt::Vec::from_raw_parts( + l58.cast(), + len60, + len60, + ); + _rt::string_lift(bytes60) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseContentCoding(e65) + } + 33 => ErrorCode::HttpResponseTimeout, + 34 => ErrorCode::HttpUpgradeFailed, + 35 => ErrorCode::HttpProtocolError, + 36 => ErrorCode::LoopDetected, + 37 => ErrorCode::ConfigurationError, + n => { + debug_assert_eq!(n, 38, "invalid enum discriminant"); + let e65 = { + let l61 = i32::from(*ptr1.add(16).cast::()); + match l61 { + 0 => None, + 1 => { + let e = { + let l62 = *ptr1.add(20).cast::<*mut u8>(); + let l63 = *ptr1.add(24).cast::(); + let len64 = l63; + let bytes64 = _rt::Vec::from_raw_parts( + l62.cast(), + len64, + len64, + ); + _rt::string_lift(bytes64) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::InternalError(e65) + } + }; + v65 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl FutureIncomingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Returns a pollable which becomes ready when either the Response has + /// been received, or an error has occurred. When this pollable is ready, + /// the `get` method will return `some`. + pub fn subscribe(&self) -> Pollable { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]future-incoming-response.subscribe"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + super::super::super::wasi::io::poll::Pollable::from_handle( + ret as u32, + ) + } + } + } + impl FutureIncomingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Returns the incoming HTTP Response, or an error, once one is ready. + /// + /// The outer `option` represents future readiness. Users can wait on this + /// `option` to become `some` using the `subscribe` method. + /// + /// The outer `result` is used to retrieve the response or error at most + /// once. It will be success on the first call in which the outer option + /// is `some`, and error on subsequent calls. + /// + /// The inner `result` represents that either the incoming HTTP Response + /// status and headers have received successfully, or that an error + /// occurred. Errors may also occur while consuming the response body, + /// but those will be reported by the `incoming-body` and its + /// `output-stream` child. + pub fn get( + &self, + ) -> Option, ()>> { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 56]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 56], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]future-incoming-response.get"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = i32::from(*ptr0.add(8).cast::()); + match l2 { + 0 => { + let e = { + let l3 = i32::from(*ptr0.add(16).cast::()); + match l3 { + 0 => { + let e = { + let l4 = *ptr0.add(24).cast::(); + IncomingResponse::from_handle(l4 as u32) + }; + Ok(e) + } + 1 => { + let e = { + let l5 = i32::from(*ptr0.add(24).cast::()); + let v67 = match l5 { + 0 => ErrorCode::DnsTimeout, + 1 => { + let e67 = { + let l6 = i32::from(*ptr0.add(32).cast::()); + let l10 = i32::from(*ptr0.add(44).cast::()); + DnsErrorPayload { + rcode: match l6 { + 0 => None, + 1 => { + let e = { + let l7 = *ptr0.add(36).cast::<*mut u8>(); + let l8 = *ptr0.add(40).cast::(); + let len9 = l8; + let bytes9 = _rt::Vec::from_raw_parts( + l7.cast(), + len9, + len9, + ); + _rt::string_lift(bytes9) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + info_code: match l10 { + 0 => None, + 1 => { + let e = { + let l11 = i32::from(*ptr0.add(46).cast::()); + l11 as u16 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::DnsError(e67) + } + 2 => ErrorCode::DestinationNotFound, + 3 => ErrorCode::DestinationUnavailable, + 4 => ErrorCode::DestinationIpProhibited, + 5 => ErrorCode::DestinationIpUnroutable, + 6 => ErrorCode::ConnectionRefused, + 7 => ErrorCode::ConnectionTerminated, + 8 => ErrorCode::ConnectionTimeout, + 9 => ErrorCode::ConnectionReadTimeout, + 10 => ErrorCode::ConnectionWriteTimeout, + 11 => ErrorCode::ConnectionLimitReached, + 12 => ErrorCode::TlsProtocolError, + 13 => ErrorCode::TlsCertificateError, + 14 => { + let e67 = { + let l12 = i32::from(*ptr0.add(32).cast::()); + let l14 = i32::from(*ptr0.add(36).cast::()); + TlsAlertReceivedPayload { + alert_id: match l12 { + 0 => None, + 1 => { + let e = { + let l13 = i32::from(*ptr0.add(33).cast::()); + l13 as u8 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + alert_message: match l14 { + 0 => None, + 1 => { + let e = { + let l15 = *ptr0.add(40).cast::<*mut u8>(); + let l16 = *ptr0.add(44).cast::(); + let len17 = l16; + let bytes17 = _rt::Vec::from_raw_parts( + l15.cast(), + len17, + len17, + ); + _rt::string_lift(bytes17) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::TlsAlertReceived(e67) + } + 15 => ErrorCode::HttpRequestDenied, + 16 => ErrorCode::HttpRequestLengthRequired, + 17 => { + let e67 = { + let l18 = i32::from(*ptr0.add(32).cast::()); + match l18 { + 0 => None, + 1 => { + let e = { + let l19 = *ptr0.add(40).cast::(); + l19 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestBodySize(e67) + } + 18 => ErrorCode::HttpRequestMethodInvalid, + 19 => ErrorCode::HttpRequestUriInvalid, + 20 => ErrorCode::HttpRequestUriTooLong, + 21 => { + let e67 = { + let l20 = i32::from(*ptr0.add(32).cast::()); + match l20 { + 0 => None, + 1 => { + let e = { + let l21 = *ptr0.add(36).cast::(); + l21 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestHeaderSectionSize(e67) + } + 22 => { + let e67 = { + let l22 = i32::from(*ptr0.add(32).cast::()); + match l22 { + 0 => None, + 1 => { + let e = { + let l23 = i32::from(*ptr0.add(36).cast::()); + let l27 = i32::from(*ptr0.add(48).cast::()); + FieldSizePayload { + field_name: match l23 { + 0 => None, + 1 => { + let e = { + let l24 = *ptr0.add(40).cast::<*mut u8>(); + let l25 = *ptr0.add(44).cast::(); + let len26 = l25; + let bytes26 = _rt::Vec::from_raw_parts( + l24.cast(), + len26, + len26, + ); + _rt::string_lift(bytes26) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l27 { + 0 => None, + 1 => { + let e = { + let l28 = *ptr0.add(52).cast::(); + l28 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestHeaderSize(e67) + } + 23 => { + let e67 = { + let l29 = i32::from(*ptr0.add(32).cast::()); + match l29 { + 0 => None, + 1 => { + let e = { + let l30 = *ptr0.add(36).cast::(); + l30 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestTrailerSectionSize(e67) + } + 24 => { + let e67 = { + let l31 = i32::from(*ptr0.add(32).cast::()); + let l35 = i32::from(*ptr0.add(44).cast::()); + FieldSizePayload { + field_name: match l31 { + 0 => None, + 1 => { + let e = { + let l32 = *ptr0.add(36).cast::<*mut u8>(); + let l33 = *ptr0.add(40).cast::(); + let len34 = l33; + let bytes34 = _rt::Vec::from_raw_parts( + l32.cast(), + len34, + len34, + ); + _rt::string_lift(bytes34) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l35 { + 0 => None, + 1 => { + let e = { + let l36 = *ptr0.add(48).cast::(); + l36 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpRequestTrailerSize(e67) + } + 25 => ErrorCode::HttpResponseIncomplete, + 26 => { + let e67 = { + let l37 = i32::from(*ptr0.add(32).cast::()); + match l37 { + 0 => None, + 1 => { + let e = { + let l38 = *ptr0.add(36).cast::(); + l38 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseHeaderSectionSize(e67) + } + 27 => { + let e67 = { + let l39 = i32::from(*ptr0.add(32).cast::()); + let l43 = i32::from(*ptr0.add(44).cast::()); + FieldSizePayload { + field_name: match l39 { + 0 => None, + 1 => { + let e = { + let l40 = *ptr0.add(36).cast::<*mut u8>(); + let l41 = *ptr0.add(40).cast::(); + let len42 = l41; + let bytes42 = _rt::Vec::from_raw_parts( + l40.cast(), + len42, + len42, + ); + _rt::string_lift(bytes42) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l43 { + 0 => None, + 1 => { + let e = { + let l44 = *ptr0.add(48).cast::(); + l44 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpResponseHeaderSize(e67) + } + 28 => { + let e67 = { + let l45 = i32::from(*ptr0.add(32).cast::()); + match l45 { + 0 => None, + 1 => { + let e = { + let l46 = *ptr0.add(40).cast::(); + l46 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseBodySize(e67) + } + 29 => { + let e67 = { + let l47 = i32::from(*ptr0.add(32).cast::()); + match l47 { + 0 => None, + 1 => { + let e = { + let l48 = *ptr0.add(36).cast::(); + l48 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseTrailerSectionSize(e67) + } + 30 => { + let e67 = { + let l49 = i32::from(*ptr0.add(32).cast::()); + let l53 = i32::from(*ptr0.add(44).cast::()); + FieldSizePayload { + field_name: match l49 { + 0 => None, + 1 => { + let e = { + let l50 = *ptr0.add(36).cast::<*mut u8>(); + let l51 = *ptr0.add(40).cast::(); + let len52 = l51; + let bytes52 = _rt::Vec::from_raw_parts( + l50.cast(), + len52, + len52, + ); + _rt::string_lift(bytes52) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l53 { + 0 => None, + 1 => { + let e = { + let l54 = *ptr0.add(48).cast::(); + l54 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpResponseTrailerSize(e67) + } + 31 => { + let e67 = { + let l55 = i32::from(*ptr0.add(32).cast::()); + match l55 { + 0 => None, + 1 => { + let e = { + let l56 = *ptr0.add(36).cast::<*mut u8>(); + let l57 = *ptr0.add(40).cast::(); + let len58 = l57; + let bytes58 = _rt::Vec::from_raw_parts( + l56.cast(), + len58, + len58, + ); + _rt::string_lift(bytes58) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseTransferCoding(e67) + } + 32 => { + let e67 = { + let l59 = i32::from(*ptr0.add(32).cast::()); + match l59 { + 0 => None, + 1 => { + let e = { + let l60 = *ptr0.add(36).cast::<*mut u8>(); + let l61 = *ptr0.add(40).cast::(); + let len62 = l61; + let bytes62 = _rt::Vec::from_raw_parts( + l60.cast(), + len62, + len62, + ); + _rt::string_lift(bytes62) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseContentCoding(e67) + } + 33 => ErrorCode::HttpResponseTimeout, + 34 => ErrorCode::HttpUpgradeFailed, + 35 => ErrorCode::HttpProtocolError, + 36 => ErrorCode::LoopDetected, + 37 => ErrorCode::ConfigurationError, + n => { + debug_assert_eq!(n, 38, "invalid enum discriminant"); + let e67 = { + let l63 = i32::from(*ptr0.add(32).cast::()); + match l63 { + 0 => None, + 1 => { + let e = { + let l64 = *ptr0.add(36).cast::<*mut u8>(); + let l65 = *ptr0.add(40).cast::(); + let len66 = l65; + let bytes66 = _rt::Vec::from_raw_parts( + l64.cast(), + len66, + len66, + ); + _rt::string_lift(bytes66) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::InternalError(e67) + } + }; + v67 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + } + } + #[allow(dead_code)] + pub mod io { + #[allow(dead_code, clippy::all)] + pub mod poll { + #[used] + #[doc(hidden)] + static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports; + use super::super::super::_rt; + /// `pollable` represents a single I/O event which may be ready, or not. + #[derive(Debug)] + #[repr(transparent)] + pub struct Pollable { + handle: _rt::Resource, + } + impl Pollable { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for Pollable { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:io/poll@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]pollable"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + impl Pollable { + #[allow(unused_unsafe, clippy::all)] + /// Return the readiness of a pollable. This function never blocks. + /// + /// Returns `true` when the pollable is ready, and `false` otherwise. + pub fn ready(&self) -> bool { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/poll@0.2.3")] + extern "C" { + #[link_name = "[method]pollable.ready"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + _rt::bool_lift(ret as u8) + } + } + } + impl Pollable { + #[allow(unused_unsafe, clippy::all)] + /// `block` returns immediately if the pollable is ready, and otherwise + /// blocks until ready. + /// + /// This function is equivalent to calling `poll.poll` on a list + /// containing only this pollable. + pub fn block(&self) { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/poll@0.2.3")] + extern "C" { + #[link_name = "[method]pollable.block"] + fn wit_import(_: i32); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) { + unreachable!() + } + wit_import((self).handle() as i32); + } + } + } + #[allow(unused_unsafe, clippy::all)] + /// Poll for completion on a set of pollables. + /// + /// This function takes a list of pollables, which identify I/O sources of + /// interest, and waits until one or more of the events is ready for I/O. + /// + /// The result `list` contains one or more indices of handles in the + /// argument list that is ready for I/O. + /// + /// This function traps if either: + /// - the list is empty, or: + /// - the list contains more elements than can be indexed with a `u32` value. + /// + /// A timeout can be implemented by adding a pollable from the + /// wasi-clocks API to the list. + /// + /// This function does not return a `result`; polling in itself does not + /// do any I/O so it doesn't fail. If any of the I/O sources identified by + /// the pollables has an error, it is indicated by marking the source as + /// being ready for I/O. + pub fn poll(in_: &[&Pollable]) -> _rt::Vec { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 8]); + let vec0 = in_; + let len0 = vec0.len(); + let layout0 = _rt::alloc::Layout::from_size_align_unchecked( + vec0.len() * 4, + 4, + ); + let result0 = if layout0.size() != 0 { + let ptr = _rt::alloc::alloc(layout0).cast::(); + if ptr.is_null() { + _rt::alloc::handle_alloc_error(layout0); + } + ptr + } else { + ::core::ptr::null_mut() + }; + for (i, e) in vec0.into_iter().enumerate() { + let base = result0.add(i * 4); + { + *base.add(0).cast::() = (e).handle() as i32; + } + } + let ptr1 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/poll@0.2.3")] + extern "C" { + #[link_name = "poll"] + fn wit_import(_: *mut u8, _: usize, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: *mut u8, _: usize, _: *mut u8) { + unreachable!() + } + wit_import(result0, len0, ptr1); + let l2 = *ptr1.add(0).cast::<*mut u8>(); + let l3 = *ptr1.add(4).cast::(); + let len4 = l3; + if layout0.size() != 0 { + _rt::alloc::dealloc(result0.cast(), layout0); + } + _rt::Vec::from_raw_parts(l2.cast(), len4, len4) + } + } + } + #[allow(dead_code, clippy::all)] + pub mod error { + #[used] + #[doc(hidden)] + static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports; + use super::super::super::_rt; + /// A resource which represents some error information. + /// + /// The only method provided by this resource is `to-debug-string`, + /// which provides some human-readable information about the error. + /// + /// In the `wasi:io` package, this resource is returned through the + /// `wasi:io/streams/stream-error` type. + /// + /// To provide more specific error information, other interfaces may + /// offer functions to "downcast" this error into more specific types. For example, + /// errors returned from streams derived from filesystem types can be described using + /// the filesystem's own error-code type. This is done using the function + /// `wasi:filesystem/types/filesystem-error-code`, which takes a `borrow` + /// parameter and returns an `option`. + /// + /// The set of functions which can "downcast" an `error` into a more + /// concrete type is open. + #[derive(Debug)] + #[repr(transparent)] + pub struct Error { + handle: _rt::Resource, + } + impl Error { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for Error { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:io/error@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]error"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + impl Error { + #[allow(unused_unsafe, clippy::all)] + /// Returns a string that is suitable to assist humans in debugging + /// this error. + /// + /// WARNING: The returned string should not be consumed mechanically! + /// It may change across platforms, hosts, or other implementation + /// details. Parsing this string is a major platform-compatibility + /// hazard. + pub fn to_debug_string(&self) -> _rt::String { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/error@0.2.3")] + extern "C" { + #[link_name = "[method]error.to-debug-string"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = *ptr0.add(0).cast::<*mut u8>(); + let l2 = *ptr0.add(4).cast::(); + let len3 = l2; + let bytes3 = _rt::Vec::from_raw_parts(l1.cast(), len3, len3); + _rt::string_lift(bytes3) + } + } + } + } + #[allow(dead_code, clippy::all)] + pub mod streams { + #[used] + #[doc(hidden)] + static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports; + use super::super::super::_rt; + pub type Error = super::super::super::wasi::io::error::Error; + pub type Pollable = super::super::super::wasi::io::poll::Pollable; + /// An error for input-stream and output-stream operations. + pub enum StreamError { + /// The last operation (a write or flush) failed before completion. + /// + /// More information is available in the `error` payload. + /// + /// After this, the stream will be closed. All future operations return + /// `stream-error::closed`. + LastOperationFailed(Error), + /// The stream is closed: no more input will be accepted by the + /// stream. A closed output-stream will return this error on all + /// future operations. + Closed, + } + impl ::core::fmt::Debug for StreamError { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + match self { + StreamError::LastOperationFailed(e) => { + f.debug_tuple("StreamError::LastOperationFailed") + .field(e) + .finish() + } + StreamError::Closed => { + f.debug_tuple("StreamError::Closed").finish() + } + } + } + } + impl ::core::fmt::Display for StreamError { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + write!(f, "{:?}", self) + } + } + impl std::error::Error for StreamError {} + /// An input bytestream. + /// + /// `input-stream`s are *non-blocking* to the extent practical on underlying + /// platforms. I/O operations always return promptly; if fewer bytes are + /// promptly available than requested, they return the number of bytes promptly + /// available, which could even be zero. To wait for data to be available, + /// use the `subscribe` function to obtain a `pollable` which can be polled + /// for using `wasi:io/poll`. + #[derive(Debug)] + #[repr(transparent)] + pub struct InputStream { + handle: _rt::Resource, + } + impl InputStream { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for InputStream { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]input-stream"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// An output bytestream. + /// + /// `output-stream`s are *non-blocking* to the extent practical on + /// underlying platforms. Except where specified otherwise, I/O operations also + /// always return promptly, after the number of bytes that can be written + /// promptly, which could even be zero. To wait for the stream to be ready to + /// accept data, the `subscribe` function to obtain a `pollable` which can be + /// polled for using `wasi:io/poll`. + /// + /// Dropping an `output-stream` while there's still an active write in + /// progress may result in the data being lost. Before dropping the stream, + /// be sure to fully flush your writes. + #[derive(Debug)] + #[repr(transparent)] + pub struct OutputStream { + handle: _rt::Resource, + } + impl OutputStream { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for OutputStream { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]output-stream"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + impl InputStream { + #[allow(unused_unsafe, clippy::all)] + /// Perform a non-blocking read from the stream. + /// + /// When the source of a `read` is binary data, the bytes from the source + /// are returned verbatim. When the source of a `read` is known to the + /// implementation to be text, bytes containing the UTF-8 encoding of the + /// text are returned. + /// + /// This function returns a list of bytes containing the read data, + /// when successful. The returned list will contain up to `len` bytes; + /// it may return fewer than requested, but not more. The list is + /// empty when no bytes are available for reading at this time. The + /// pollable given by `subscribe` will be ready when more bytes are + /// available. + /// + /// This function fails with a `stream-error` when the operation + /// encounters an error, giving `last-operation-failed`, or when the + /// stream is closed, giving `closed`. + /// + /// When the caller gives a `len` of 0, it represents a request to + /// read 0 bytes. If the stream is still open, this call should + /// succeed and return an empty list, or otherwise fail with `closed`. + /// + /// The `len` parameter is a `u64`, which could represent a list of u8 which + /// is not possible to allocate in wasm32, or not desirable to allocate as + /// as a return value by the callee. The callee may return a list of bytes + /// less than `len` in size while more bytes are available for reading. + pub fn read(&self, len: u64) -> Result<_rt::Vec, StreamError> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]input-stream.read"] + fn wit_import(_: i32, _: i64, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i64, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, _rt::as_i64(&len), ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(4).cast::<*mut u8>(); + let l3 = *ptr0.add(8).cast::(); + let len4 = l3; + _rt::Vec::from_raw_parts(l2.cast(), len4, len4) + }; + Ok(e) + } + 1 => { + let e = { + let l5 = i32::from(*ptr0.add(4).cast::()); + let v7 = match l5 { + 0 => { + let e7 = { + let l6 = *ptr0.add(8).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l6 as u32, + ) + }; + StreamError::LastOperationFailed(e7) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v7 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl InputStream { + #[allow(unused_unsafe, clippy::all)] + /// Read bytes from a stream, after blocking until at least one byte can + /// be read. Except for blocking, behavior is identical to `read`. + pub fn blocking_read( + &self, + len: u64, + ) -> Result<_rt::Vec, StreamError> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]input-stream.blocking-read"] + fn wit_import(_: i32, _: i64, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i64, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, _rt::as_i64(&len), ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(4).cast::<*mut u8>(); + let l3 = *ptr0.add(8).cast::(); + let len4 = l3; + _rt::Vec::from_raw_parts(l2.cast(), len4, len4) + }; + Ok(e) + } + 1 => { + let e = { + let l5 = i32::from(*ptr0.add(4).cast::()); + let v7 = match l5 { + 0 => { + let e7 = { + let l6 = *ptr0.add(8).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l6 as u32, + ) + }; + StreamError::LastOperationFailed(e7) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v7 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl InputStream { + #[allow(unused_unsafe, clippy::all)] + /// Skip bytes from a stream. Returns number of bytes skipped. + /// + /// Behaves identical to `read`, except instead of returning a list + /// of bytes, returns the number of bytes consumed from the stream. + pub fn skip(&self, len: u64) -> Result { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]input-stream.skip"] + fn wit_import(_: i32, _: i64, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i64, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, _rt::as_i64(&len), ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(8).cast::(); + l2 as u64 + }; + Ok(e) + } + 1 => { + let e = { + let l3 = i32::from(*ptr0.add(8).cast::()); + let v5 = match l3 { + 0 => { + let e5 = { + let l4 = *ptr0.add(12).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l4 as u32, + ) + }; + StreamError::LastOperationFailed(e5) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v5 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl InputStream { + #[allow(unused_unsafe, clippy::all)] + /// Skip bytes from a stream, after blocking until at least one byte + /// can be skipped. Except for blocking behavior, identical to `skip`. + pub fn blocking_skip(&self, len: u64) -> Result { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]input-stream.blocking-skip"] + fn wit_import(_: i32, _: i64, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i64, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, _rt::as_i64(&len), ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(8).cast::(); + l2 as u64 + }; + Ok(e) + } + 1 => { + let e = { + let l3 = i32::from(*ptr0.add(8).cast::()); + let v5 = match l3 { + 0 => { + let e5 = { + let l4 = *ptr0.add(12).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l4 as u32, + ) + }; + StreamError::LastOperationFailed(e5) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v5 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl InputStream { + #[allow(unused_unsafe, clippy::all)] + /// Create a `pollable` which will resolve once either the specified stream + /// has bytes available to read or the other end of the stream has been + /// closed. + /// The created `pollable` is a child resource of the `input-stream`. + /// Implementations may trap if the `input-stream` is dropped before + /// all derived `pollable`s created with this function are dropped. + pub fn subscribe(&self) -> Pollable { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]input-stream.subscribe"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + super::super::super::wasi::io::poll::Pollable::from_handle( + ret as u32, + ) + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Check readiness for writing. This function never blocks. + /// + /// Returns the number of bytes permitted for the next call to `write`, + /// or an error. Calling `write` with more bytes than this function has + /// permitted will trap. + /// + /// When this function returns 0 bytes, the `subscribe` pollable will + /// become ready when this function will report at least 1 byte, or an + /// error. + pub fn check_write(&self) -> Result { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.check-write"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(8).cast::(); + l2 as u64 + }; + Ok(e) + } + 1 => { + let e = { + let l3 = i32::from(*ptr0.add(8).cast::()); + let v5 = match l3 { + 0 => { + let e5 = { + let l4 = *ptr0.add(12).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l4 as u32, + ) + }; + StreamError::LastOperationFailed(e5) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v5 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Perform a write. This function never blocks. + /// + /// When the destination of a `write` is binary data, the bytes from + /// `contents` are written verbatim. When the destination of a `write` is + /// known to the implementation to be text, the bytes of `contents` are + /// transcoded from UTF-8 into the encoding of the destination and then + /// written. + /// + /// Precondition: check-write gave permit of Ok(n) and contents has a + /// length of less than or equal to n. Otherwise, this function will trap. + /// + /// returns Err(closed) without writing if the stream has closed since + /// the last call to check-write provided a permit. + pub fn write(&self, contents: &[u8]) -> Result<(), StreamError> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let vec0 = contents; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + let ptr1 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.write"] + fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0.cast_mut(), len0, ptr1); + let l2 = i32::from(*ptr1.add(0).cast::()); + match l2 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l3 = i32::from(*ptr1.add(4).cast::()); + let v5 = match l3 { + 0 => { + let e5 = { + let l4 = *ptr1.add(8).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l4 as u32, + ) + }; + StreamError::LastOperationFailed(e5) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v5 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Perform a write of up to 4096 bytes, and then flush the stream. Block + /// until all of these operations are complete, or an error occurs. + /// + /// This is a convenience wrapper around the use of `check-write`, + /// `subscribe`, `write`, and `flush`, and is implemented with the + /// following pseudo-code: + /// + /// ```text + /// let pollable = this.subscribe(); + /// while !contents.is_empty() { + /// // Wait for the stream to become writable + /// pollable.block(); + /// let Ok(n) = this.check-write(); // eliding error handling + /// let len = min(n, contents.len()); + /// let (chunk, rest) = contents.split_at(len); + /// this.write(chunk ); // eliding error handling + /// contents = rest; + /// } + /// this.flush(); + /// // Wait for completion of `flush` + /// pollable.block(); + /// // Check for any errors that arose during `flush` + /// let _ = this.check-write(); // eliding error handling + /// ``` + pub fn blocking_write_and_flush( + &self, + contents: &[u8], + ) -> Result<(), StreamError> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let vec0 = contents; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + let ptr1 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.blocking-write-and-flush"] + fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0.cast_mut(), len0, ptr1); + let l2 = i32::from(*ptr1.add(0).cast::()); + match l2 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l3 = i32::from(*ptr1.add(4).cast::()); + let v5 = match l3 { + 0 => { + let e5 = { + let l4 = *ptr1.add(8).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l4 as u32, + ) + }; + StreamError::LastOperationFailed(e5) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v5 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Request to flush buffered output. This function never blocks. + /// + /// This tells the output-stream that the caller intends any buffered + /// output to be flushed. the output which is expected to be flushed + /// is all that has been passed to `write` prior to this call. + /// + /// Upon calling this function, the `output-stream` will not accept any + /// writes (`check-write` will return `ok(0)`) until the flush has + /// completed. The `subscribe` pollable will become ready when the + /// flush has completed and the stream can accept more writes. + pub fn flush(&self) -> Result<(), StreamError> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.flush"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l2 = i32::from(*ptr0.add(4).cast::()); + let v4 = match l2 { + 0 => { + let e4 = { + let l3 = *ptr0.add(8).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l3 as u32, + ) + }; + StreamError::LastOperationFailed(e4) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v4 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Request to flush buffered output, and block until flush completes + /// and stream is ready for writing again. + pub fn blocking_flush(&self) -> Result<(), StreamError> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.blocking-flush"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l2 = i32::from(*ptr0.add(4).cast::()); + let v4 = match l2 { + 0 => { + let e4 = { + let l3 = *ptr0.add(8).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l3 as u32, + ) + }; + StreamError::LastOperationFailed(e4) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v4 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Create a `pollable` which will resolve once the output-stream + /// is ready for more writing, or an error has occurred. When this + /// pollable is ready, `check-write` will return `ok(n)` with n>0, or an + /// error. + /// + /// If the stream is closed, this pollable is always ready immediately. + /// + /// The created `pollable` is a child resource of the `output-stream`. + /// Implementations may trap if the `output-stream` is dropped before + /// all derived `pollable`s created with this function are dropped. + pub fn subscribe(&self) -> Pollable { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.subscribe"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + super::super::super::wasi::io::poll::Pollable::from_handle( + ret as u32, + ) + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Write zeroes to a stream. + /// + /// This should be used precisely like `write` with the exact same + /// preconditions (must use check-write first), but instead of + /// passing a list of bytes, you simply pass the number of zero-bytes + /// that should be written. + pub fn write_zeroes(&self, len: u64) -> Result<(), StreamError> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.write-zeroes"] + fn wit_import(_: i32, _: i64, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i64, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, _rt::as_i64(&len), ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l2 = i32::from(*ptr0.add(4).cast::()); + let v4 = match l2 { + 0 => { + let e4 = { + let l3 = *ptr0.add(8).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l3 as u32, + ) + }; + StreamError::LastOperationFailed(e4) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v4 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Perform a write of up to 4096 zeroes, and then flush the stream. + /// Block until all of these operations are complete, or an error + /// occurs. + /// + /// This is a convenience wrapper around the use of `check-write`, + /// `subscribe`, `write-zeroes`, and `flush`, and is implemented with + /// the following pseudo-code: + /// + /// ```text + /// let pollable = this.subscribe(); + /// while num_zeroes != 0 { + /// // Wait for the stream to become writable + /// pollable.block(); + /// let Ok(n) = this.check-write(); // eliding error handling + /// let len = min(n, num_zeroes); + /// this.write-zeroes(len); // eliding error handling + /// num_zeroes -= len; + /// } + /// this.flush(); + /// // Wait for completion of `flush` + /// pollable.block(); + /// // Check for any errors that arose during `flush` + /// let _ = this.check-write(); // eliding error handling + /// ``` + pub fn blocking_write_zeroes_and_flush( + &self, + len: u64, + ) -> Result<(), StreamError> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.blocking-write-zeroes-and-flush"] + fn wit_import(_: i32, _: i64, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i64, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, _rt::as_i64(&len), ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l2 = i32::from(*ptr0.add(4).cast::()); + let v4 = match l2 { + 0 => { + let e4 = { + let l3 = *ptr0.add(8).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l3 as u32, + ) + }; + StreamError::LastOperationFailed(e4) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v4 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Read from one stream and write to another. + /// + /// The behavior of splice is equivalent to: + /// 1. calling `check-write` on the `output-stream` + /// 2. calling `read` on the `input-stream` with the smaller of the + /// `check-write` permitted length and the `len` provided to `splice` + /// 3. calling `write` on the `output-stream` with that read data. + /// + /// Any error reported by the call to `check-write`, `read`, or + /// `write` ends the splice and reports that error. + /// + /// This function returns the number of bytes transferred; it may be less + /// than `len`. + pub fn splice( + &self, + src: &InputStream, + len: u64, + ) -> Result { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.splice"] + fn wit_import(_: i32, _: i32, _: i64, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32, _: i64, _: *mut u8) { + unreachable!() + } + wit_import( + (self).handle() as i32, + (src).handle() as i32, + _rt::as_i64(&len), + ptr0, + ); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(8).cast::(); + l2 as u64 + }; + Ok(e) + } + 1 => { + let e = { + let l3 = i32::from(*ptr0.add(8).cast::()); + let v5 = match l3 { + 0 => { + let e5 = { + let l4 = *ptr0.add(12).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l4 as u32, + ) + }; + StreamError::LastOperationFailed(e5) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v5 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Read from one stream and write to another, with blocking. + /// + /// This is similar to `splice`, except that it blocks until the + /// `output-stream` is ready for writing, and the `input-stream` + /// is ready for reading, before performing the `splice`. + pub fn blocking_splice( + &self, + src: &InputStream, + len: u64, + ) -> Result { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.blocking-splice"] + fn wit_import(_: i32, _: i32, _: i64, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32, _: i64, _: *mut u8) { + unreachable!() + } + wit_import( + (self).handle() as i32, + (src).handle() as i32, + _rt::as_i64(&len), + ptr0, + ); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(8).cast::(); + l2 as u64 + }; + Ok(e) + } + 1 => { + let e = { + let l3 = i32::from(*ptr0.add(8).cast::()); + let v5 = match l3 { + 0 => { + let e5 = { + let l4 = *ptr0.add(12).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l4 as u32, + ) + }; + StreamError::LastOperationFailed(e5) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v5 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + } + } +} +#[allow(dead_code)] +pub mod exports { + #[allow(dead_code)] + pub mod wasi { + #[allow(dead_code)] + pub mod http { + #[allow(dead_code, clippy::all)] + pub mod incoming_handler { + #[used] + #[doc(hidden)] + static __FORCE_SECTION_REF: fn() = super::super::super::super::__link_custom_section_describing_imports; + use super::super::super::super::_rt; + pub type IncomingRequest = super::super::super::super::wasi::http::types::IncomingRequest; + pub type ResponseOutparam = super::super::super::super::wasi::http::types::ResponseOutparam; + #[doc(hidden)] + #[allow(non_snake_case)] + pub unsafe fn _export_handle_cabi(arg0: i32, arg1: i32) { + #[cfg(target_arch = "wasm32")] _rt::run_ctors_once(); + T::handle( + super::super::super::super::wasi::http::types::IncomingRequest::from_handle( + arg0 as u32, + ), + super::super::super::super::wasi::http::types::ResponseOutparam::from_handle( + arg1 as u32, + ), + ); + } + pub trait Guest { + /// This function is invoked with an incoming HTTP Request, and a resource + /// `response-outparam` which provides the capability to reply with an HTTP + /// Response. The response is sent by calling the `response-outparam.set` + /// method, which allows execution to continue after the response has been + /// sent. This enables both streaming to the response body, and performing other + /// work. + /// + /// The implementor of this function must write a response to the + /// `response-outparam` before returning, or else the caller will respond + /// with an error on its behalf. + fn handle(request: IncomingRequest, response_out: ResponseOutparam); + } + #[doc(hidden)] + macro_rules! __export_wasi_http_incoming_handler_0_2_3_cabi { + ($ty:ident with_types_in $($path_to_types:tt)*) => { + const _ : () = { #[export_name = + "wasi:http/incoming-handler@0.2.3#handle"] unsafe extern "C" fn + export_handle(arg0 : i32, arg1 : i32,) { $($path_to_types)*:: + _export_handle_cabi::<$ty > (arg0, arg1) } }; + }; + } + #[doc(hidden)] + pub(crate) use __export_wasi_http_incoming_handler_0_2_3_cabi; + } + } + } +} +mod _rt { + use core::fmt; + use core::marker; + use core::sync::atomic::{AtomicU32, Ordering::Relaxed}; + /// A type which represents a component model resource, either imported or + /// exported into this component. + /// + /// This is a low-level wrapper which handles the lifetime of the resource + /// (namely this has a destructor). The `T` provided defines the component model + /// intrinsics that this wrapper uses. + /// + /// One of the chief purposes of this type is to provide `Deref` implementations + /// to access the underlying data when it is owned. + /// + /// This type is primarily used in generated code for exported and imported + /// resources. + #[repr(transparent)] + pub struct Resource { + handle: AtomicU32, + _marker: marker::PhantomData, + } + /// A trait which all wasm resources implement, namely providing the ability to + /// drop a resource. + /// + /// This generally is implemented by generated code, not user-facing code. + #[allow(clippy::missing_safety_doc)] + pub unsafe trait WasmResource { + /// Invokes the `[resource-drop]...` intrinsic. + unsafe fn drop(handle: u32); + } + impl Resource { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + debug_assert!(handle != u32::MAX); + Self { + handle: AtomicU32::new(handle), + _marker: marker::PhantomData, + } + } + /// Takes ownership of the handle owned by `resource`. + /// + /// Note that this ideally would be `into_handle` taking `Resource` by + /// ownership. The code generator does not enable that in all situations, + /// unfortunately, so this is provided instead. + /// + /// Also note that `take_handle` is in theory only ever called on values + /// owned by a generated function. For example a generated function might + /// take `Resource` as an argument but then call `take_handle` on a + /// reference to that argument. In that sense the dynamic nature of + /// `take_handle` should only be exposed internally to generated code, not + /// to user code. + #[doc(hidden)] + pub fn take_handle(resource: &Resource) -> u32 { + resource.handle.swap(u32::MAX, Relaxed) + } + #[doc(hidden)] + pub fn handle(resource: &Resource) -> u32 { + resource.handle.load(Relaxed) + } + } + impl fmt::Debug for Resource { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + f.debug_struct("Resource").field("handle", &self.handle).finish() + } + } + impl Drop for Resource { + fn drop(&mut self) { + unsafe { + match self.handle.load(Relaxed) { + u32::MAX => {} + other => T::drop(other), + } + } + } + } + pub unsafe fn bool_lift(val: u8) -> bool { + if cfg!(debug_assertions) { + match val { + 0 => false, + 1 => true, + _ => panic!("invalid bool discriminant"), + } + } else { + val != 0 + } + } + pub use alloc_crate::vec::Vec; + pub use alloc_crate::alloc; + pub fn as_i64(t: T) -> i64 { + t.as_i64() + } + pub trait AsI64 { + fn as_i64(self) -> i64; + } + impl<'a, T: Copy + AsI64> AsI64 for &'a T { + fn as_i64(self) -> i64 { + (*self).as_i64() + } + } + impl AsI64 for i64 { + #[inline] + fn as_i64(self) -> i64 { + self as i64 + } + } + impl AsI64 for u64 { + #[inline] + fn as_i64(self) -> i64 { + self as i64 + } + } + pub use alloc_crate::string::String; + pub unsafe fn string_lift(bytes: Vec) -> String { + if cfg!(debug_assertions) { + String::from_utf8(bytes).unwrap() + } else { + String::from_utf8_unchecked(bytes) + } + } + pub unsafe fn invalid_enum_discriminant() -> T { + if cfg!(debug_assertions) { + panic!("invalid enum discriminant") + } else { + core::hint::unreachable_unchecked() + } + } + pub unsafe fn cabi_dealloc(ptr: *mut u8, size: usize, align: usize) { + if size == 0 { + return; + } + let layout = alloc::Layout::from_size_align_unchecked(size, align); + alloc::dealloc(ptr, layout); + } + pub fn as_i32(t: T) -> i32 { + t.as_i32() + } + pub trait AsI32 { + fn as_i32(self) -> i32; + } + impl<'a, T: Copy + AsI32> AsI32 for &'a T { + fn as_i32(self) -> i32 { + (*self).as_i32() + } + } + impl AsI32 for i32 { + #[inline] + fn as_i32(self) -> i32 { + self as i32 + } + } + impl AsI32 for u32 { + #[inline] + fn as_i32(self) -> i32 { + self as i32 + } + } + impl AsI32 for i16 { + #[inline] + fn as_i32(self) -> i32 { + self as i32 + } + } + impl AsI32 for u16 { + #[inline] + fn as_i32(self) -> i32 { + self as i32 + } + } + impl AsI32 for i8 { + #[inline] + fn as_i32(self) -> i32 { + self as i32 + } + } + impl AsI32 for u8 { + #[inline] + fn as_i32(self) -> i32 { + self as i32 + } + } + impl AsI32 for char { + #[inline] + fn as_i32(self) -> i32 { + self as i32 + } + } + impl AsI32 for usize { + #[inline] + fn as_i32(self) -> i32 { + self as i32 + } + } + #[cfg(target_arch = "wasm32")] + pub fn run_ctors_once() { + wit_bindgen_rt::run_ctors_once(); + } + extern crate alloc as alloc_crate; +} +/// Generates `#[no_mangle]` functions to export the specified type as the +/// root implementation of all generated traits. +/// +/// For more information see the documentation of `wit_bindgen::generate!`. +/// +/// ```rust +/// # macro_rules! export{ ($($t:tt)*) => (); } +/// # trait Guest {} +/// struct MyType; +/// +/// impl Guest for MyType { +/// // ... +/// } +/// +/// export!(MyType); +/// ``` +#[allow(unused_macros)] +#[doc(hidden)] +macro_rules! __export_api_impl { + ($ty:ident) => { + self::export!($ty with_types_in self); + }; + ($ty:ident with_types_in $($path_to_types_root:tt)*) => { + $($path_to_types_root)*:: + exports::wasi::http::incoming_handler::__export_wasi_http_incoming_handler_0_2_3_cabi!($ty + with_types_in $($path_to_types_root)*:: exports::wasi::http::incoming_handler); + }; +} +#[doc(inline)] +pub(crate) use __export_api_impl as export; +#[cfg(target_arch = "wasm32")] +#[link_section = "component-type:wit-bindgen:0.35.0:golem:handler:api:encoded world"] +#[doc(hidden)] +pub static __WIT_BINDGEN_COMPONENT_TYPE: [u8; 6330] = *b"\ 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+[method]outgoing-body.write\x01\x81\x01\x01j\0\x01\x1b\x01@\x02\x04this\xcf\0\x08\ +trailers\xf3\0\0\x82\x01\x04\0\x1c[static]outgoing-body.finish\x01\x83\x01\x01h1\ +\x01@\x01\x04self\x84\x01\0\xf0\0\x04\0*[method]future-incoming-response.subscri\ +be\x01\x85\x01\x01i,\x01j\x01\x86\x01\x01\x1b\x01j\x01\x87\x01\0\x01k\x88\x01\x01\ +@\x01\x04self\x84\x01\0\x89\x01\x04\0$[method]future-incoming-response.get\x01\x8a\ +\x01\x01h\x07\x01k\x1b\x01@\x01\x03err\x8b\x01\0\x8c\x01\x04\0\x0fhttp-error-cod\ +e\x01\x8d\x01\x03\0\x15wasi:http/types@0.2.3\x05\x09\x02\x03\0\x04\x10incoming-r\ +equest\x02\x03\0\x04\x11response-outparam\x01B\x08\x02\x03\x02\x01\x0a\x04\0\x10\ +incoming-request\x03\0\0\x02\x03\x02\x01\x0b\x04\0\x11response-outparam\x03\0\x02\ +\x01i\x01\x01i\x03\x01@\x02\x07request\x04\x0cresponse-out\x05\x01\0\x04\0\x06ha\ +ndle\x01\x06\x04\0\x20wasi:http/incoming-handler@0.2.3\x05\x0c\x04\0\x11golem:ha\ +ndler/api\x04\0\x0b\x09\x01\0\x03api\x03\0\0\0G\x09producers\x01\x0cprocessed-by\ +\x02\x0dwit-component\x070.220.0\x10wit-bindgen-rust\x060.35.0"; +#[inline(never)] +#[doc(hidden)] +pub fn __link_custom_section_describing_imports() { + wit_bindgen_rt::maybe_link_cabi_realloc(); +} diff --git a/test-components/wasi-http-incoming-request-handler/src/lib.rs b/test-components/wasi-http-incoming-request-handler/src/lib.rs new file mode 100644 index 0000000000..261baf5979 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/src/lib.rs @@ -0,0 +1,19 @@ +mod bindings; + +pub use bindings::wasi::http::types::{ + Fields, IncomingRequest, OutgoingBody, OutgoingResponse, ResponseOutparam, +}; + +struct Component; + +impl bindings::exports::wasi::http::incoming_handler::Guest for Component { + fn handle(_request: IncomingRequest, outparam: ResponseOutparam) { + let hdrs = Fields::new(); + let resp = OutgoingResponse::new(hdrs); + resp.set_status_code(200).unwrap(); + + ResponseOutparam::set(outparam, Ok(resp)); + } +} + +bindings::export!(Component with_types_in bindings); diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps.lock b/test-components/wasi-http-incoming-request-handler/wit/deps.lock new file mode 100644 index 0000000000..b97967bf09 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps.lock @@ -0,0 +1,29 @@ +[cli] +sha256 = "4dadd13d55aaf626833d1f4b9c34a17b0f04e993babd09552b785cda3b95ea76" +sha512 = "898dcc4e8c15d18acc6b88dbe232336fa4d19019430a910dbc9e7aeaace3077a164af3be9f002de6e7e65ef693df340801ac0c7e421e9a746bf1b6d698a90835" + +[clocks] +sha256 = "93a701968a7dd3c5d69031bc0601681c468972fdf7e28a93bb6150a67d6ebe8b" +sha512 = "98fca567c7a01887b0fb38981f1772169b6ea8de475b546508f8b86738d84e44ba95cae81def40ac34e8809f5f60e85224077ab8cb6d6d5d6296acc1df73c159" + +[filesystem] +sha256 = "69d42fb10a04a33545b17e055f13db9b1e10e82ba0ed5bdb52334e40dc07c679" +sha512 = "612effbac6f4804fe0c29dae20b78bbba59e52cb754c15402f5fe229c3153a221e0fbdff1d9d00ceaa3fe049c6a95523a5b99f772f1c16d972eade2c88326a30" + +[http] +url = "https://github.com/WebAssembly/wasi-http/archive/v0.2.3.tar.gz" +sha256 = "72d3a00dbf39eed40a134e8b1dee85834961153f9d205ee4dd56657270c084ce" +sha512 = "636150c464c0eb3d60bd212fc5d4012638c8cd4f89b583b87a38154ef99de828aac4296ac13c5cface10ee61e164fcfc43a5c104f916229dfdf49c0d11047677" +deps = ["cli", "clocks", "filesystem", "io", "random", "sockets"] + +[io] +sha256 = "1cccbfe4122686ea57a25cd368e8cdfc408cbcad089f47fb6685b6f92e96f050" +sha512 = "7a95f964c13da52611141acd89bc8876226497f128e99dd176a4270c5b5efbd8cc847b5fbd1a91258d028c646db99e0424d72590cf1caf20f9f3a3343fad5017" + +[random] +sha256 = "dd0c91e7125172eb8fd4568e15ad9fc7305643015e6ece4396c3cc5e8c2bf79a" +sha512 = "d1ca2e7b0616a94a3b39d1b9450bb3fb595b01fd94a8626ad75433038dde40988ecb41ab93a374d569ab72163af3b30038d7bfc3499b9c07193181f4f1d9292a" + +[sockets] +sha256 = "2bc0f65a8046207ee3330ad7d63f6fafeafd4cc0ea4084f081bd5e4f7b177e74" +sha512 = "3e5490e41547dffa78d52631825d93da8d60f4af0246cbaf97e1ecb879285953a86d5f1f390b10c32f91dd7eaec6f43e625a26b1c92c32a0c86fde428aedaaab" diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps.toml b/test-components/wasi-http-incoming-request-handler/wit/deps.toml new file mode 100644 index 0000000000..64ca58191a --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps.toml @@ -0,0 +1 @@ +http = "https://github.com/WebAssembly/wasi-http/archive/v0.2.3.tar.gz" diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/cli/command.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/cli/command.wit new file mode 100644 index 0000000000..3a81766d64 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/cli/command.wit @@ -0,0 +1,10 @@ +package wasi:cli@0.2.3; + +@since(version = 0.2.0) +world command { + @since(version = 0.2.0) + include imports; + + @since(version = 0.2.0) + export run; +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/cli/environment.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/cli/environment.wit new file mode 100644 index 0000000000..2f449bd7c1 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/cli/environment.wit @@ -0,0 +1,22 @@ +@since(version = 0.2.0) +interface environment { + /// Get the POSIX-style environment variables. + /// + /// Each environment variable is provided as a pair of string variable names + /// and string value. + /// + /// Morally, these are a value import, but until value imports are available + /// in the component model, this import function should return the same + /// values each time it is called. + @since(version = 0.2.0) + get-environment: func() -> list>; + + /// Get the POSIX-style arguments to the program. + @since(version = 0.2.0) + get-arguments: func() -> list; + + /// Return a path that programs should use as their initial current working + /// directory, interpreting `.` as shorthand for this. + @since(version = 0.2.0) + initial-cwd: func() -> option; +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/cli/exit.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/cli/exit.wit new file mode 100644 index 0000000000..427935c8d0 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/cli/exit.wit @@ -0,0 +1,17 @@ +@since(version = 0.2.0) +interface exit { + /// Exit the current instance and any linked instances. + @since(version = 0.2.0) + exit: func(status: result); + + /// Exit the current instance and any linked instances, reporting the + /// specified status code to the host. + /// + /// The meaning of the code depends on the context, with 0 usually meaning + /// "success", and other values indicating various types of failure. + /// + /// This function does not return; the effect is analogous to a trap, but + /// without the connotation that something bad has happened. + @unstable(feature = cli-exit-with-code) + exit-with-code: func(status-code: u8); +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/cli/imports.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/cli/imports.wit new file mode 100644 index 0000000000..8b4e3975ec --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/cli/imports.wit @@ -0,0 +1,36 @@ +package wasi:cli@0.2.3; + +@since(version = 0.2.0) +world imports { + @since(version = 0.2.0) + include wasi:clocks/imports@0.2.3; + @since(version = 0.2.0) + include wasi:filesystem/imports@0.2.3; + @since(version = 0.2.0) + include wasi:sockets/imports@0.2.3; + @since(version = 0.2.0) + include wasi:random/imports@0.2.3; + @since(version = 0.2.0) + include wasi:io/imports@0.2.3; + + @since(version = 0.2.0) + import environment; + @since(version = 0.2.0) + import exit; + @since(version = 0.2.0) + import stdin; + @since(version = 0.2.0) + import stdout; + @since(version = 0.2.0) + import stderr; + @since(version = 0.2.0) + import terminal-input; + @since(version = 0.2.0) + import terminal-output; + @since(version = 0.2.0) + import terminal-stdin; + @since(version = 0.2.0) + import terminal-stdout; + @since(version = 0.2.0) + import terminal-stderr; +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/cli/run.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/cli/run.wit new file mode 100644 index 0000000000..655346efb6 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/cli/run.wit @@ -0,0 +1,6 @@ +@since(version = 0.2.0) +interface run { + /// Run the program. + @since(version = 0.2.0) + run: func() -> result; +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/cli/stdio.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/cli/stdio.wit new file mode 100644 index 0000000000..1b54f5318a --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/cli/stdio.wit @@ -0,0 +1,26 @@ +@since(version = 0.2.0) +interface stdin { + @since(version = 0.2.0) + use wasi:io/streams@0.2.3.{input-stream}; + + @since(version = 0.2.0) + get-stdin: func() -> input-stream; +} + +@since(version = 0.2.0) +interface stdout { + @since(version = 0.2.0) + use wasi:io/streams@0.2.3.{output-stream}; + + @since(version = 0.2.0) + get-stdout: func() -> output-stream; +} + +@since(version = 0.2.0) +interface stderr { + @since(version = 0.2.0) + use wasi:io/streams@0.2.3.{output-stream}; + + @since(version = 0.2.0) + get-stderr: func() -> output-stream; +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/cli/terminal.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/cli/terminal.wit new file mode 100644 index 0000000000..d305498c64 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/cli/terminal.wit @@ -0,0 +1,62 @@ +/// Terminal input. +/// +/// In the future, this may include functions for disabling echoing, +/// disabling input buffering so that keyboard events are sent through +/// immediately, querying supported features, and so on. +@since(version = 0.2.0) +interface terminal-input { + /// The input side of a terminal. + @since(version = 0.2.0) + resource terminal-input; +} + +/// Terminal output. +/// +/// In the future, this may include functions for querying the terminal +/// size, being notified of terminal size changes, querying supported +/// features, and so on. +@since(version = 0.2.0) +interface terminal-output { + /// The output side of a terminal. + @since(version = 0.2.0) + resource terminal-output; +} + +/// An interface providing an optional `terminal-input` for stdin as a +/// link-time authority. +@since(version = 0.2.0) +interface terminal-stdin { + @since(version = 0.2.0) + use terminal-input.{terminal-input}; + + /// If stdin is connected to a terminal, return a `terminal-input` handle + /// allowing further interaction with it. + @since(version = 0.2.0) + get-terminal-stdin: func() -> option; +} + +/// An interface providing an optional `terminal-output` for stdout as a +/// link-time authority. +@since(version = 0.2.0) +interface terminal-stdout { + @since(version = 0.2.0) + use terminal-output.{terminal-output}; + + /// If stdout is connected to a terminal, return a `terminal-output` handle + /// allowing further interaction with it. + @since(version = 0.2.0) + get-terminal-stdout: func() -> option; +} + +/// An interface providing an optional `terminal-output` for stderr as a +/// link-time authority. +@since(version = 0.2.0) +interface terminal-stderr { + @since(version = 0.2.0) + use terminal-output.{terminal-output}; + + /// If stderr is connected to a terminal, return a `terminal-output` handle + /// allowing further interaction with it. + @since(version = 0.2.0) + get-terminal-stderr: func() -> option; +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/clocks/monotonic-clock.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/clocks/monotonic-clock.wit new file mode 100644 index 0000000000..c676fb84d8 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/clocks/monotonic-clock.wit @@ -0,0 +1,50 @@ +package wasi:clocks@0.2.3; +/// WASI Monotonic Clock is a clock API intended to let users measure elapsed +/// time. +/// +/// It is intended to be portable at least between Unix-family platforms and +/// Windows. +/// +/// A monotonic clock is a clock which has an unspecified initial value, and +/// successive reads of the clock will produce non-decreasing values. +@since(version = 0.2.0) +interface monotonic-clock { + @since(version = 0.2.0) + use wasi:io/poll@0.2.3.{pollable}; + + /// An instant in time, in nanoseconds. An instant is relative to an + /// unspecified initial value, and can only be compared to instances from + /// the same monotonic-clock. + @since(version = 0.2.0) + type instant = u64; + + /// A duration of time, in nanoseconds. + @since(version = 0.2.0) + type duration = u64; + + /// Read the current value of the clock. + /// + /// The clock is monotonic, therefore calling this function repeatedly will + /// produce a sequence of non-decreasing values. + @since(version = 0.2.0) + now: func() -> instant; + + /// Query the resolution of the clock. Returns the duration of time + /// corresponding to a clock tick. + @since(version = 0.2.0) + resolution: func() -> duration; + + /// Create a `pollable` which will resolve once the specified instant + /// has occurred. + @since(version = 0.2.0) + subscribe-instant: func( + when: instant, + ) -> pollable; + + /// Create a `pollable` that will resolve after the specified duration has + /// elapsed from the time this function is invoked. + @since(version = 0.2.0) + subscribe-duration: func( + when: duration, + ) -> pollable; +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/clocks/timezone.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/clocks/timezone.wit new file mode 100644 index 0000000000..b43e93b233 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/clocks/timezone.wit @@ -0,0 +1,55 @@ +package wasi:clocks@0.2.3; + +@unstable(feature = clocks-timezone) +interface timezone { + @unstable(feature = clocks-timezone) + use wall-clock.{datetime}; + + /// Return information needed to display the given `datetime`. This includes + /// the UTC offset, the time zone name, and a flag indicating whether + /// daylight saving time is active. + /// + /// If the timezone cannot be determined for the given `datetime`, return a + /// `timezone-display` for `UTC` with a `utc-offset` of 0 and no daylight + /// saving time. + @unstable(feature = clocks-timezone) + display: func(when: datetime) -> timezone-display; + + /// The same as `display`, but only return the UTC offset. + @unstable(feature = clocks-timezone) + utc-offset: func(when: datetime) -> s32; + + /// Information useful for displaying the timezone of a specific `datetime`. + /// + /// This information may vary within a single `timezone` to reflect daylight + /// saving time adjustments. + @unstable(feature = clocks-timezone) + record timezone-display { + /// The number of seconds difference between UTC time and the local + /// time of the timezone. + /// + /// The returned value will always be less than 86400 which is the + /// number of seconds in a day (24*60*60). + /// + /// In implementations that do not expose an actual time zone, this + /// should return 0. + utc-offset: s32, + + /// The abbreviated name of the timezone to display to a user. The name + /// `UTC` indicates Coordinated Universal Time. Otherwise, this should + /// reference local standards for the name of the time zone. + /// + /// In implementations that do not expose an actual time zone, this + /// should be the string `UTC`. + /// + /// In time zones that do not have an applicable name, a formatted + /// representation of the UTC offset may be returned, such as `-04:00`. + name: string, + + /// Whether daylight saving time is active. + /// + /// In implementations that do not expose an actual time zone, this + /// should return false. + in-daylight-saving-time: bool, + } +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/clocks/wall-clock.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/clocks/wall-clock.wit new file mode 100644 index 0000000000..e00ce08933 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/clocks/wall-clock.wit @@ -0,0 +1,46 @@ +package wasi:clocks@0.2.3; +/// WASI Wall Clock is a clock API intended to let users query the current +/// time. The name "wall" makes an analogy to a "clock on the wall", which +/// is not necessarily monotonic as it may be reset. +/// +/// It is intended to be portable at least between Unix-family platforms and +/// Windows. +/// +/// A wall clock is a clock which measures the date and time according to +/// some external reference. +/// +/// External references may be reset, so this clock is not necessarily +/// monotonic, making it unsuitable for measuring elapsed time. +/// +/// It is intended for reporting the current date and time for humans. +@since(version = 0.2.0) +interface wall-clock { + /// A time and date in seconds plus nanoseconds. + @since(version = 0.2.0) + record datetime { + seconds: u64, + nanoseconds: u32, + } + + /// Read the current value of the clock. + /// + /// This clock is not monotonic, therefore calling this function repeatedly + /// will not necessarily produce a sequence of non-decreasing values. + /// + /// The returned timestamps represent the number of seconds since + /// 1970-01-01T00:00:00Z, also known as [POSIX's Seconds Since the Epoch], + /// also known as [Unix Time]. + /// + /// The nanoseconds field of the output is always less than 1000000000. + /// + /// [POSIX's Seconds Since the Epoch]: https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_xbd_chap04.html#tag_21_04_16 + /// [Unix Time]: https://en.wikipedia.org/wiki/Unix_time + @since(version = 0.2.0) + now: func() -> datetime; + + /// Query the resolution of the clock. + /// + /// The nanoseconds field of the output is always less than 1000000000. + @since(version = 0.2.0) + resolution: func() -> datetime; +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/clocks/world.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/clocks/world.wit new file mode 100644 index 0000000000..05f04f797d --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/clocks/world.wit @@ -0,0 +1,11 @@ +package wasi:clocks@0.2.3; + +@since(version = 0.2.0) +world imports { + @since(version = 0.2.0) + import monotonic-clock; + @since(version = 0.2.0) + import wall-clock; + @unstable(feature = clocks-timezone) + import timezone; +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/filesystem/preopens.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/filesystem/preopens.wit new file mode 100644 index 0000000000..cea97495b5 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/filesystem/preopens.wit @@ -0,0 +1,11 @@ +package wasi:filesystem@0.2.3; + +@since(version = 0.2.0) +interface preopens { + @since(version = 0.2.0) + use types.{descriptor}; + + /// Return the set of preopened directories, and their paths. + @since(version = 0.2.0) + get-directories: func() -> list>; +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/filesystem/types.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/filesystem/types.wit new file mode 100644 index 0000000000..d229a21f48 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/filesystem/types.wit @@ -0,0 +1,672 @@ +package wasi:filesystem@0.2.3; +/// WASI filesystem is a filesystem API primarily intended to let users run WASI +/// programs that access their files on their existing filesystems, without +/// significant overhead. +/// +/// It is intended to be roughly portable between Unix-family platforms and +/// Windows, though it does not hide many of the major differences. +/// +/// Paths are passed as interface-type `string`s, meaning they must consist of +/// a sequence of Unicode Scalar Values (USVs). Some filesystems may contain +/// paths which are not accessible by this API. +/// +/// The directory separator in WASI is always the forward-slash (`/`). +/// +/// All paths in WASI are relative paths, and are interpreted relative to a +/// `descriptor` referring to a base directory. If a `path` argument to any WASI +/// function starts with `/`, or if any step of resolving a `path`, including +/// `..` and symbolic link steps, reaches a directory outside of the base +/// directory, or reaches a symlink to an absolute or rooted path in the +/// underlying filesystem, the function fails with `error-code::not-permitted`. +/// +/// For more information about WASI path resolution and sandboxing, see +/// [WASI filesystem path resolution]. +/// +/// [WASI filesystem path resolution]: https://github.com/WebAssembly/wasi-filesystem/blob/main/path-resolution.md +@since(version = 0.2.0) +interface types { + @since(version = 0.2.0) + use wasi:io/streams@0.2.3.{input-stream, output-stream, error}; + @since(version = 0.2.0) + use wasi:clocks/wall-clock@0.2.3.{datetime}; + + /// File size or length of a region within a file. + @since(version = 0.2.0) + type filesize = u64; + + /// The type of a filesystem object referenced by a descriptor. + /// + /// Note: This was called `filetype` in earlier versions of WASI. + @since(version = 0.2.0) + enum descriptor-type { + /// The type of the descriptor or file is unknown or is different from + /// any of the other types specified. + unknown, + /// The descriptor refers to a block device inode. + block-device, + /// The descriptor refers to a character device inode. + character-device, + /// The descriptor refers to a directory inode. + directory, + /// The descriptor refers to a named pipe. + fifo, + /// The file refers to a symbolic link inode. + symbolic-link, + /// The descriptor refers to a regular file inode. + regular-file, + /// The descriptor refers to a socket. + socket, + } + + /// Descriptor flags. + /// + /// Note: This was called `fdflags` in earlier versions of WASI. + @since(version = 0.2.0) + flags descriptor-flags { + /// Read mode: Data can be read. + read, + /// Write mode: Data can be written to. + write, + /// Request that writes be performed according to synchronized I/O file + /// integrity completion. The data stored in the file and the file's + /// metadata are synchronized. This is similar to `O_SYNC` in POSIX. + /// + /// The precise semantics of this operation have not yet been defined for + /// WASI. At this time, it should be interpreted as a request, and not a + /// requirement. + file-integrity-sync, + /// Request that writes be performed according to synchronized I/O data + /// integrity completion. Only the data stored in the file is + /// synchronized. This is similar to `O_DSYNC` in POSIX. + /// + /// The precise semantics of this operation have not yet been defined for + /// WASI. At this time, it should be interpreted as a request, and not a + /// requirement. + data-integrity-sync, + /// Requests that reads be performed at the same level of integrity + /// requested for writes. This is similar to `O_RSYNC` in POSIX. + /// + /// The precise semantics of this operation have not yet been defined for + /// WASI. At this time, it should be interpreted as a request, and not a + /// requirement. + requested-write-sync, + /// Mutating directories mode: Directory contents may be mutated. + /// + /// When this flag is unset on a descriptor, operations using the + /// descriptor which would create, rename, delete, modify the data or + /// metadata of filesystem objects, or obtain another handle which + /// would permit any of those, shall fail with `error-code::read-only` if + /// they would otherwise succeed. + /// + /// This may only be set on directories. + mutate-directory, + } + + /// File attributes. + /// + /// Note: This was called `filestat` in earlier versions of WASI. + @since(version = 0.2.0) + record descriptor-stat { + /// File type. + %type: descriptor-type, + /// Number of hard links to the file. + link-count: link-count, + /// For regular files, the file size in bytes. For symbolic links, the + /// length in bytes of the pathname contained in the symbolic link. + size: filesize, + /// Last data access timestamp. + /// + /// If the `option` is none, the platform doesn't maintain an access + /// timestamp for this file. + data-access-timestamp: option, + /// Last data modification timestamp. + /// + /// If the `option` is none, the platform doesn't maintain a + /// modification timestamp for this file. + data-modification-timestamp: option, + /// Last file status-change timestamp. + /// + /// If the `option` is none, the platform doesn't maintain a + /// status-change timestamp for this file. + status-change-timestamp: option, + } + + /// Flags determining the method of how paths are resolved. + @since(version = 0.2.0) + flags path-flags { + /// As long as the resolved path corresponds to a symbolic link, it is + /// expanded. + symlink-follow, + } + + /// Open flags used by `open-at`. + @since(version = 0.2.0) + flags open-flags { + /// Create file if it does not exist, similar to `O_CREAT` in POSIX. + create, + /// Fail if not a directory, similar to `O_DIRECTORY` in POSIX. + directory, + /// Fail if file already exists, similar to `O_EXCL` in POSIX. + exclusive, + /// Truncate file to size 0, similar to `O_TRUNC` in POSIX. + truncate, + } + + /// Number of hard links to an inode. + @since(version = 0.2.0) + type link-count = u64; + + /// When setting a timestamp, this gives the value to set it to. + @since(version = 0.2.0) + variant new-timestamp { + /// Leave the timestamp set to its previous value. + no-change, + /// Set the timestamp to the current time of the system clock associated + /// with the filesystem. + now, + /// Set the timestamp to the given value. + timestamp(datetime), + } + + /// A directory entry. + record directory-entry { + /// The type of the file referred to by this directory entry. + %type: descriptor-type, + + /// The name of the object. + name: string, + } + + /// Error codes returned by functions, similar to `errno` in POSIX. + /// Not all of these error codes are returned by the functions provided by this + /// API; some are used in higher-level library layers, and others are provided + /// merely for alignment with POSIX. + enum error-code { + /// Permission denied, similar to `EACCES` in POSIX. + access, + /// Resource unavailable, or operation would block, similar to `EAGAIN` and `EWOULDBLOCK` in POSIX. + would-block, + /// Connection already in progress, similar to `EALREADY` in POSIX. + already, + /// Bad descriptor, similar to `EBADF` in POSIX. + bad-descriptor, + /// Device or resource busy, similar to `EBUSY` in POSIX. + busy, + /// Resource deadlock would occur, similar to `EDEADLK` in POSIX. + deadlock, + /// Storage quota exceeded, similar to `EDQUOT` in POSIX. + quota, + /// File exists, similar to `EEXIST` in POSIX. + exist, + /// File too large, similar to `EFBIG` in POSIX. + file-too-large, + /// Illegal byte sequence, similar to `EILSEQ` in POSIX. + illegal-byte-sequence, + /// Operation in progress, similar to `EINPROGRESS` in POSIX. + in-progress, + /// Interrupted function, similar to `EINTR` in POSIX. + interrupted, + /// Invalid argument, similar to `EINVAL` in POSIX. + invalid, + /// I/O error, similar to `EIO` in POSIX. + io, + /// Is a directory, similar to `EISDIR` in POSIX. + is-directory, + /// Too many levels of symbolic links, similar to `ELOOP` in POSIX. + loop, + /// Too many links, similar to `EMLINK` in POSIX. + too-many-links, + /// Message too large, similar to `EMSGSIZE` in POSIX. + message-size, + /// Filename too long, similar to `ENAMETOOLONG` in POSIX. + name-too-long, + /// No such device, similar to `ENODEV` in POSIX. + no-device, + /// No such file or directory, similar to `ENOENT` in POSIX. + no-entry, + /// No locks available, similar to `ENOLCK` in POSIX. + no-lock, + /// Not enough space, similar to `ENOMEM` in POSIX. + insufficient-memory, + /// No space left on device, similar to `ENOSPC` in POSIX. + insufficient-space, + /// Not a directory or a symbolic link to a directory, similar to `ENOTDIR` in POSIX. + not-directory, + /// Directory not empty, similar to `ENOTEMPTY` in POSIX. + not-empty, + /// State not recoverable, similar to `ENOTRECOVERABLE` in POSIX. + not-recoverable, + /// Not supported, similar to `ENOTSUP` and `ENOSYS` in POSIX. + unsupported, + /// Inappropriate I/O control operation, similar to `ENOTTY` in POSIX. + no-tty, + /// No such device or address, similar to `ENXIO` in POSIX. + no-such-device, + /// Value too large to be stored in data type, similar to `EOVERFLOW` in POSIX. + overflow, + /// Operation not permitted, similar to `EPERM` in POSIX. + not-permitted, + /// Broken pipe, similar to `EPIPE` in POSIX. + pipe, + /// Read-only file system, similar to `EROFS` in POSIX. + read-only, + /// Invalid seek, similar to `ESPIPE` in POSIX. + invalid-seek, + /// Text file busy, similar to `ETXTBSY` in POSIX. + text-file-busy, + /// Cross-device link, similar to `EXDEV` in POSIX. + cross-device, + } + + /// File or memory access pattern advisory information. + @since(version = 0.2.0) + enum advice { + /// The application has no advice to give on its behavior with respect + /// to the specified data. + normal, + /// The application expects to access the specified data sequentially + /// from lower offsets to higher offsets. + sequential, + /// The application expects to access the specified data in a random + /// order. + random, + /// The application expects to access the specified data in the near + /// future. + will-need, + /// The application expects that it will not access the specified data + /// in the near future. + dont-need, + /// The application expects to access the specified data once and then + /// not reuse it thereafter. + no-reuse, + } + + /// A 128-bit hash value, split into parts because wasm doesn't have a + /// 128-bit integer type. + @since(version = 0.2.0) + record metadata-hash-value { + /// 64 bits of a 128-bit hash value. + lower: u64, + /// Another 64 bits of a 128-bit hash value. + upper: u64, + } + + /// A descriptor is a reference to a filesystem object, which may be a file, + /// directory, named pipe, special file, or other object on which filesystem + /// calls may be made. + @since(version = 0.2.0) + resource descriptor { + /// Return a stream for reading from a file, if available. + /// + /// May fail with an error-code describing why the file cannot be read. + /// + /// Multiple read, write, and append streams may be active on the same open + /// file and they do not interfere with each other. + /// + /// Note: This allows using `read-stream`, which is similar to `read` in POSIX. + @since(version = 0.2.0) + read-via-stream: func( + /// The offset within the file at which to start reading. + offset: filesize, + ) -> result; + + /// Return a stream for writing to a file, if available. + /// + /// May fail with an error-code describing why the file cannot be written. + /// + /// Note: This allows using `write-stream`, which is similar to `write` in + /// POSIX. + @since(version = 0.2.0) + write-via-stream: func( + /// The offset within the file at which to start writing. + offset: filesize, + ) -> result; + + /// Return a stream for appending to a file, if available. + /// + /// May fail with an error-code describing why the file cannot be appended. + /// + /// Note: This allows using `write-stream`, which is similar to `write` with + /// `O_APPEND` in POSIX. + @since(version = 0.2.0) + append-via-stream: func() -> result; + + /// Provide file advisory information on a descriptor. + /// + /// This is similar to `posix_fadvise` in POSIX. + @since(version = 0.2.0) + advise: func( + /// The offset within the file to which the advisory applies. + offset: filesize, + /// The length of the region to which the advisory applies. + length: filesize, + /// The advice. + advice: advice + ) -> result<_, error-code>; + + /// Synchronize the data of a file to disk. + /// + /// This function succeeds with no effect if the file descriptor is not + /// opened for writing. + /// + /// Note: This is similar to `fdatasync` in POSIX. + @since(version = 0.2.0) + sync-data: func() -> result<_, error-code>; + + /// Get flags associated with a descriptor. + /// + /// Note: This returns similar flags to `fcntl(fd, F_GETFL)` in POSIX. + /// + /// Note: This returns the value that was the `fs_flags` value returned + /// from `fdstat_get` in earlier versions of WASI. + @since(version = 0.2.0) + get-flags: func() -> result; + + /// Get the dynamic type of a descriptor. + /// + /// Note: This returns the same value as the `type` field of the `fd-stat` + /// returned by `stat`, `stat-at` and similar. + /// + /// Note: This returns similar flags to the `st_mode & S_IFMT` value provided + /// by `fstat` in POSIX. + /// + /// Note: This returns the value that was the `fs_filetype` value returned + /// from `fdstat_get` in earlier versions of WASI. + @since(version = 0.2.0) + get-type: func() -> result; + + /// Adjust the size of an open file. If this increases the file's size, the + /// extra bytes are filled with zeros. + /// + /// Note: This was called `fd_filestat_set_size` in earlier versions of WASI. + @since(version = 0.2.0) + set-size: func(size: filesize) -> result<_, error-code>; + + /// Adjust the timestamps of an open file or directory. + /// + /// Note: This is similar to `futimens` in POSIX. + /// + /// Note: This was called `fd_filestat_set_times` in earlier versions of WASI. + @since(version = 0.2.0) + set-times: func( + /// The desired values of the data access timestamp. + data-access-timestamp: new-timestamp, + /// The desired values of the data modification timestamp. + data-modification-timestamp: new-timestamp, + ) -> result<_, error-code>; + + /// Read from a descriptor, without using and updating the descriptor's offset. + /// + /// This function returns a list of bytes containing the data that was + /// read, along with a bool which, when true, indicates that the end of the + /// file was reached. The returned list will contain up to `length` bytes; it + /// may return fewer than requested, if the end of the file is reached or + /// if the I/O operation is interrupted. + /// + /// In the future, this may change to return a `stream`. + /// + /// Note: This is similar to `pread` in POSIX. + @since(version = 0.2.0) + read: func( + /// The maximum number of bytes to read. + length: filesize, + /// The offset within the file at which to read. + offset: filesize, + ) -> result, bool>, error-code>; + + /// Write to a descriptor, without using and updating the descriptor's offset. + /// + /// It is valid to write past the end of a file; the file is extended to the + /// extent of the write, with bytes between the previous end and the start of + /// the write set to zero. + /// + /// In the future, this may change to take a `stream`. + /// + /// Note: This is similar to `pwrite` in POSIX. + @since(version = 0.2.0) + write: func( + /// Data to write + buffer: list, + /// The offset within the file at which to write. + offset: filesize, + ) -> result; + + /// Read directory entries from a directory. + /// + /// On filesystems where directories contain entries referring to themselves + /// and their parents, often named `.` and `..` respectively, these entries + /// are omitted. + /// + /// This always returns a new stream which starts at the beginning of the + /// directory. Multiple streams may be active on the same directory, and they + /// do not interfere with each other. + @since(version = 0.2.0) + read-directory: func() -> result; + + /// Synchronize the data and metadata of a file to disk. + /// + /// This function succeeds with no effect if the file descriptor is not + /// opened for writing. + /// + /// Note: This is similar to `fsync` in POSIX. + @since(version = 0.2.0) + sync: func() -> result<_, error-code>; + + /// Create a directory. + /// + /// Note: This is similar to `mkdirat` in POSIX. + @since(version = 0.2.0) + create-directory-at: func( + /// The relative path at which to create the directory. + path: string, + ) -> result<_, error-code>; + + /// Return the attributes of an open file or directory. + /// + /// Note: This is similar to `fstat` in POSIX, except that it does not return + /// device and inode information. For testing whether two descriptors refer to + /// the same underlying filesystem object, use `is-same-object`. To obtain + /// additional data that can be used do determine whether a file has been + /// modified, use `metadata-hash`. + /// + /// Note: This was called `fd_filestat_get` in earlier versions of WASI. + @since(version = 0.2.0) + stat: func() -> result; + + /// Return the attributes of a file or directory. + /// + /// Note: This is similar to `fstatat` in POSIX, except that it does not + /// return device and inode information. See the `stat` description for a + /// discussion of alternatives. + /// + /// Note: This was called `path_filestat_get` in earlier versions of WASI. + @since(version = 0.2.0) + stat-at: func( + /// Flags determining the method of how the path is resolved. + path-flags: path-flags, + /// The relative path of the file or directory to inspect. + path: string, + ) -> result; + + /// Adjust the timestamps of a file or directory. + /// + /// Note: This is similar to `utimensat` in POSIX. + /// + /// Note: This was called `path_filestat_set_times` in earlier versions of + /// WASI. + @since(version = 0.2.0) + set-times-at: func( + /// Flags determining the method of how the path is resolved. + path-flags: path-flags, + /// The relative path of the file or directory to operate on. + path: string, + /// The desired values of the data access timestamp. + data-access-timestamp: new-timestamp, + /// The desired values of the data modification timestamp. + data-modification-timestamp: new-timestamp, + ) -> result<_, error-code>; + + /// Create a hard link. + /// + /// Note: This is similar to `linkat` in POSIX. + @since(version = 0.2.0) + link-at: func( + /// Flags determining the method of how the path is resolved. + old-path-flags: path-flags, + /// The relative source path from which to link. + old-path: string, + /// The base directory for `new-path`. + new-descriptor: borrow, + /// The relative destination path at which to create the hard link. + new-path: string, + ) -> result<_, error-code>; + + /// Open a file or directory. + /// + /// If `flags` contains `descriptor-flags::mutate-directory`, and the base + /// descriptor doesn't have `descriptor-flags::mutate-directory` set, + /// `open-at` fails with `error-code::read-only`. + /// + /// If `flags` contains `write` or `mutate-directory`, or `open-flags` + /// contains `truncate` or `create`, and the base descriptor doesn't have + /// `descriptor-flags::mutate-directory` set, `open-at` fails with + /// `error-code::read-only`. + /// + /// Note: This is similar to `openat` in POSIX. + @since(version = 0.2.0) + open-at: func( + /// Flags determining the method of how the path is resolved. + path-flags: path-flags, + /// The relative path of the object to open. + path: string, + /// The method by which to open the file. + open-flags: open-flags, + /// Flags to use for the resulting descriptor. + %flags: descriptor-flags, + ) -> result; + + /// Read the contents of a symbolic link. + /// + /// If the contents contain an absolute or rooted path in the underlying + /// filesystem, this function fails with `error-code::not-permitted`. + /// + /// Note: This is similar to `readlinkat` in POSIX. + @since(version = 0.2.0) + readlink-at: func( + /// The relative path of the symbolic link from which to read. + path: string, + ) -> result; + + /// Remove a directory. + /// + /// Return `error-code::not-empty` if the directory is not empty. + /// + /// Note: This is similar to `unlinkat(fd, path, AT_REMOVEDIR)` in POSIX. + @since(version = 0.2.0) + remove-directory-at: func( + /// The relative path to a directory to remove. + path: string, + ) -> result<_, error-code>; + + /// Rename a filesystem object. + /// + /// Note: This is similar to `renameat` in POSIX. + @since(version = 0.2.0) + rename-at: func( + /// The relative source path of the file or directory to rename. + old-path: string, + /// The base directory for `new-path`. + new-descriptor: borrow, + /// The relative destination path to which to rename the file or directory. + new-path: string, + ) -> result<_, error-code>; + + /// Create a symbolic link (also known as a "symlink"). + /// + /// If `old-path` starts with `/`, the function fails with + /// `error-code::not-permitted`. + /// + /// Note: This is similar to `symlinkat` in POSIX. + @since(version = 0.2.0) + symlink-at: func( + /// The contents of the symbolic link. + old-path: string, + /// The relative destination path at which to create the symbolic link. + new-path: string, + ) -> result<_, error-code>; + + /// Unlink a filesystem object that is not a directory. + /// + /// Return `error-code::is-directory` if the path refers to a directory. + /// Note: This is similar to `unlinkat(fd, path, 0)` in POSIX. + @since(version = 0.2.0) + unlink-file-at: func( + /// The relative path to a file to unlink. + path: string, + ) -> result<_, error-code>; + + /// Test whether two descriptors refer to the same filesystem object. + /// + /// In POSIX, this corresponds to testing whether the two descriptors have the + /// same device (`st_dev`) and inode (`st_ino` or `d_ino`) numbers. + /// wasi-filesystem does not expose device and inode numbers, so this function + /// may be used instead. + @since(version = 0.2.0) + is-same-object: func(other: borrow) -> bool; + + /// Return a hash of the metadata associated with a filesystem object referred + /// to by a descriptor. + /// + /// This returns a hash of the last-modification timestamp and file size, and + /// may also include the inode number, device number, birth timestamp, and + /// other metadata fields that may change when the file is modified or + /// replaced. It may also include a secret value chosen by the + /// implementation and not otherwise exposed. + /// + /// Implementations are encouraged to provide the following properties: + /// + /// - If the file is not modified or replaced, the computed hash value should + /// usually not change. + /// - If the object is modified or replaced, the computed hash value should + /// usually change. + /// - The inputs to the hash should not be easily computable from the + /// computed hash. + /// + /// However, none of these is required. + @since(version = 0.2.0) + metadata-hash: func() -> result; + + /// Return a hash of the metadata associated with a filesystem object referred + /// to by a directory descriptor and a relative path. + /// + /// This performs the same hash computation as `metadata-hash`. + @since(version = 0.2.0) + metadata-hash-at: func( + /// Flags determining the method of how the path is resolved. + path-flags: path-flags, + /// The relative path of the file or directory to inspect. + path: string, + ) -> result; + } + + /// A stream of directory entries. + @since(version = 0.2.0) + resource directory-entry-stream { + /// Read a single directory entry from a `directory-entry-stream`. + @since(version = 0.2.0) + read-directory-entry: func() -> result, error-code>; + } + + /// Attempts to extract a filesystem-related `error-code` from the stream + /// `error` provided. + /// + /// Stream operations which return `stream-error::last-operation-failed` + /// have a payload with more information about the operation that failed. + /// This payload can be passed through to this function to see if there's + /// filesystem-related information about the error to return. + /// + /// Note that this function is fallible because not all stream-related + /// errors are filesystem-related errors. + @since(version = 0.2.0) + filesystem-error-code: func(err: borrow) -> option; +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/filesystem/world.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/filesystem/world.wit new file mode 100644 index 0000000000..29405bc2cc --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/filesystem/world.wit @@ -0,0 +1,9 @@ +package wasi:filesystem@0.2.3; + +@since(version = 0.2.0) +world imports { + @since(version = 0.2.0) + import types; + @since(version = 0.2.0) + import preopens; +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/http/handler.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/http/handler.wit new file mode 100644 index 0000000000..6a6c62966f --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/http/handler.wit @@ -0,0 +1,49 @@ +/// This interface defines a handler of incoming HTTP Requests. It should +/// be exported by components which can respond to HTTP Requests. +@since(version = 0.2.0) +interface incoming-handler { + @since(version = 0.2.0) + use types.{incoming-request, response-outparam}; + + /// This function is invoked with an incoming HTTP Request, and a resource + /// `response-outparam` which provides the capability to reply with an HTTP + /// Response. The response is sent by calling the `response-outparam.set` + /// method, which allows execution to continue after the response has been + /// sent. This enables both streaming to the response body, and performing other + /// work. + /// + /// The implementor of this function must write a response to the + /// `response-outparam` before returning, or else the caller will respond + /// with an error on its behalf. + @since(version = 0.2.0) + handle: func( + request: incoming-request, + response-out: response-outparam + ); +} + +/// This interface defines a handler of outgoing HTTP Requests. It should be +/// imported by components which wish to make HTTP Requests. +@since(version = 0.2.0) +interface outgoing-handler { + @since(version = 0.2.0) + use types.{ + outgoing-request, request-options, future-incoming-response, error-code + }; + + /// This function is invoked with an outgoing HTTP Request, and it returns + /// a resource `future-incoming-response` which represents an HTTP Response + /// which may arrive in the future. + /// + /// The `options` argument accepts optional parameters for the HTTP + /// protocol's transport layer. + /// + /// This function may return an error if the `outgoing-request` is invalid + /// or not allowed to be made. Otherwise, protocol errors are reported + /// through the `future-incoming-response`. + @since(version = 0.2.0) + handle: func( + request: outgoing-request, + options: option + ) -> result; +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/http/proxy.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/http/proxy.wit new file mode 100644 index 0000000000..de3bbe8ae0 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/http/proxy.wit @@ -0,0 +1,50 @@ +package wasi:http@0.2.3; + +/// The `wasi:http/imports` world imports all the APIs for HTTP proxies. +/// It is intended to be `include`d in other worlds. +@since(version = 0.2.0) +world imports { + /// HTTP proxies have access to time and randomness. + @since(version = 0.2.0) + import wasi:clocks/monotonic-clock@0.2.3; + @since(version = 0.2.0) + import wasi:clocks/wall-clock@0.2.3; + @since(version = 0.2.0) + import wasi:random/random@0.2.3; + + /// Proxies have standard output and error streams which are expected to + /// terminate in a developer-facing console provided by the host. + @since(version = 0.2.0) + import wasi:cli/stdout@0.2.3; + @since(version = 0.2.0) + import wasi:cli/stderr@0.2.3; + + /// TODO: this is a temporary workaround until component tooling is able to + /// gracefully handle the absence of stdin. Hosts must return an eof stream + /// for this import, which is what wasi-libc + tooling will do automatically + /// when this import is properly removed. + @since(version = 0.2.0) + import wasi:cli/stdin@0.2.3; + + /// This is the default handler to use when user code simply wants to make an + /// HTTP request (e.g., via `fetch()`). + @since(version = 0.2.0) + import outgoing-handler; +} + +/// The `wasi:http/proxy` world captures a widely-implementable intersection of +/// hosts that includes HTTP forward and reverse proxies. Components targeting +/// this world may concurrently stream in and out any number of incoming and +/// outgoing HTTP requests. +@since(version = 0.2.0) +world proxy { + @since(version = 0.2.0) + include imports; + + /// The host delivers incoming HTTP requests to a component by calling the + /// `handle` function of this exported interface. A host may arbitrarily reuse + /// or not reuse component instance when delivering incoming HTTP requests and + /// thus a component must be able to handle 0..N calls to `handle`. + @since(version = 0.2.0) + export incoming-handler; +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/http/types.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/http/types.wit new file mode 100644 index 0000000000..2498f180ad --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/http/types.wit @@ -0,0 +1,673 @@ +/// This interface defines all of the types and methods for implementing +/// HTTP Requests and Responses, both incoming and outgoing, as well as +/// their headers, trailers, and bodies. +@since(version = 0.2.0) +interface types { + @since(version = 0.2.0) + use wasi:clocks/monotonic-clock@0.2.3.{duration}; + @since(version = 0.2.0) + use wasi:io/streams@0.2.3.{input-stream, output-stream}; + @since(version = 0.2.0) + use wasi:io/error@0.2.3.{error as io-error}; + @since(version = 0.2.0) + use wasi:io/poll@0.2.3.{pollable}; + + /// This type corresponds to HTTP standard Methods. + @since(version = 0.2.0) + variant method { + get, + head, + post, + put, + delete, + connect, + options, + trace, + patch, + other(string) + } + + /// This type corresponds to HTTP standard Related Schemes. + @since(version = 0.2.0) + variant scheme { + HTTP, + HTTPS, + other(string) + } + + /// These cases are inspired by the IANA HTTP Proxy Error Types: + /// + @since(version = 0.2.0) + variant error-code { + DNS-timeout, + DNS-error(DNS-error-payload), + destination-not-found, + destination-unavailable, + destination-IP-prohibited, + destination-IP-unroutable, + connection-refused, + connection-terminated, + connection-timeout, + connection-read-timeout, + connection-write-timeout, + connection-limit-reached, + TLS-protocol-error, + TLS-certificate-error, + TLS-alert-received(TLS-alert-received-payload), + HTTP-request-denied, + HTTP-request-length-required, + HTTP-request-body-size(option), + HTTP-request-method-invalid, + HTTP-request-URI-invalid, + HTTP-request-URI-too-long, + HTTP-request-header-section-size(option), + HTTP-request-header-size(option), + HTTP-request-trailer-section-size(option), + HTTP-request-trailer-size(field-size-payload), + HTTP-response-incomplete, + HTTP-response-header-section-size(option), + HTTP-response-header-size(field-size-payload), + HTTP-response-body-size(option), + HTTP-response-trailer-section-size(option), + HTTP-response-trailer-size(field-size-payload), + HTTP-response-transfer-coding(option), + HTTP-response-content-coding(option), + HTTP-response-timeout, + HTTP-upgrade-failed, + HTTP-protocol-error, + loop-detected, + configuration-error, + /// This is a catch-all error for anything that doesn't fit cleanly into a + /// more specific case. It also includes an optional string for an + /// unstructured description of the error. Users should not depend on the + /// string for diagnosing errors, as it's not required to be consistent + /// between implementations. + internal-error(option) + } + + /// Defines the case payload type for `DNS-error` above: + @since(version = 0.2.0) + record DNS-error-payload { + rcode: option, + info-code: option + } + + /// Defines the case payload type for `TLS-alert-received` above: + @since(version = 0.2.0) + record TLS-alert-received-payload { + alert-id: option, + alert-message: option + } + + /// Defines the case payload type for `HTTP-response-{header,trailer}-size` above: + @since(version = 0.2.0) + record field-size-payload { + field-name: option, + field-size: option + } + + /// Attempts to extract a http-related `error` from the wasi:io `error` + /// provided. + /// + /// Stream operations which return + /// `wasi:io/stream/stream-error::last-operation-failed` have a payload of + /// type `wasi:io/error/error` with more information about the operation + /// that failed. This payload can be passed through to this function to see + /// if there's http-related information about the error to return. + /// + /// Note that this function is fallible because not all io-errors are + /// http-related errors. + @since(version = 0.2.0) + http-error-code: func(err: borrow) -> option; + + /// This type enumerates the different kinds of errors that may occur when + /// setting or appending to a `fields` resource. + @since(version = 0.2.0) + variant header-error { + /// This error indicates that a `field-name` or `field-value` was + /// syntactically invalid when used with an operation that sets headers in a + /// `fields`. + invalid-syntax, + + /// This error indicates that a forbidden `field-name` was used when trying + /// to set a header in a `fields`. + forbidden, + + /// This error indicates that the operation on the `fields` was not + /// permitted because the fields are immutable. + immutable, + } + + /// Field names are always strings. + /// + /// Field names should always be treated as case insensitive by the `fields` + /// resource for the purposes of equality checking. + @since(version = 0.2.1) + type field-name = field-key; + + /// Field keys are always strings. + /// + /// Field keys should always be treated as case insensitive by the `fields` + /// resource for the purposes of equality checking. + /// + /// # Deprecation + /// + /// This type has been deprecated in favor of the `field-name` type. + @since(version = 0.2.0) + @deprecated(version = 0.2.2) + type field-key = string; + + /// Field values should always be ASCII strings. However, in + /// reality, HTTP implementations often have to interpret malformed values, + /// so they are provided as a list of bytes. + @since(version = 0.2.0) + type field-value = list; + + /// This following block defines the `fields` resource which corresponds to + /// HTTP standard Fields. Fields are a common representation used for both + /// Headers and Trailers. + /// + /// A `fields` may be mutable or immutable. A `fields` created using the + /// constructor, `from-list`, or `clone` will be mutable, but a `fields` + /// resource given by other means (including, but not limited to, + /// `incoming-request.headers`, `outgoing-request.headers`) might be be + /// immutable. In an immutable fields, the `set`, `append`, and `delete` + /// operations will fail with `header-error.immutable`. + @since(version = 0.2.0) + resource fields { + + /// Construct an empty HTTP Fields. + /// + /// The resulting `fields` is mutable. + @since(version = 0.2.0) + constructor(); + + /// Construct an HTTP Fields. + /// + /// The resulting `fields` is mutable. + /// + /// The list represents each name-value pair in the Fields. Names + /// which have multiple values are represented by multiple entries in this + /// list with the same name. + /// + /// The tuple is a pair of the field name, represented as a string, and + /// Value, represented as a list of bytes. + /// + /// An error result will be returned if any `field-name` or `field-value` is + /// syntactically invalid, or if a field is forbidden. + @since(version = 0.2.0) + from-list: static func( + entries: list> + ) -> result; + + /// Get all of the values corresponding to a name. If the name is not present + /// in this `fields` or is syntactically invalid, an empty list is returned. + /// However, if the name is present but empty, this is represented by a list + /// with one or more empty field-values present. + @since(version = 0.2.0) + get: func(name: field-name) -> list; + + /// Returns `true` when the name is present in this `fields`. If the name is + /// syntactically invalid, `false` is returned. + @since(version = 0.2.0) + has: func(name: field-name) -> bool; + + /// Set all of the values for a name. Clears any existing values for that + /// name, if they have been set. + /// + /// Fails with `header-error.immutable` if the `fields` are immutable. + /// + /// Fails with `header-error.invalid-syntax` if the `field-name` or any of + /// the `field-value`s are syntactically invalid. + @since(version = 0.2.0) + set: func(name: field-name, value: list) -> result<_, header-error>; + + /// Delete all values for a name. Does nothing if no values for the name + /// exist. + /// + /// Fails with `header-error.immutable` if the `fields` are immutable. + /// + /// Fails with `header-error.invalid-syntax` if the `field-name` is + /// syntactically invalid. + @since(version = 0.2.0) + delete: func(name: field-name) -> result<_, header-error>; + + /// Append a value for a name. Does not change or delete any existing + /// values for that name. + /// + /// Fails with `header-error.immutable` if the `fields` are immutable. + /// + /// Fails with `header-error.invalid-syntax` if the `field-name` or + /// `field-value` are syntactically invalid. + @since(version = 0.2.0) + append: func(name: field-name, value: field-value) -> result<_, header-error>; + + /// Retrieve the full set of names and values in the Fields. Like the + /// constructor, the list represents each name-value pair. + /// + /// The outer list represents each name-value pair in the Fields. Names + /// which have multiple values are represented by multiple entries in this + /// list with the same name. + /// + /// The names and values are always returned in the original casing and in + /// the order in which they will be serialized for transport. + @since(version = 0.2.0) + entries: func() -> list>; + + /// Make a deep copy of the Fields. Equivalent in behavior to calling the + /// `fields` constructor on the return value of `entries`. The resulting + /// `fields` is mutable. + @since(version = 0.2.0) + clone: func() -> fields; + } + + /// Headers is an alias for Fields. + @since(version = 0.2.0) + type headers = fields; + + /// Trailers is an alias for Fields. + @since(version = 0.2.0) + type trailers = fields; + + /// Represents an incoming HTTP Request. + @since(version = 0.2.0) + resource incoming-request { + + /// Returns the method of the incoming request. + @since(version = 0.2.0) + method: func() -> method; + + /// Returns the path with query parameters from the request, as a string. + @since(version = 0.2.0) + path-with-query: func() -> option; + + /// Returns the protocol scheme from the request. + @since(version = 0.2.0) + scheme: func() -> option; + + /// Returns the authority of the Request's target URI, if present. + @since(version = 0.2.0) + authority: func() -> option; + + /// Get the `headers` associated with the request. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// The `headers` returned are a child resource: it must be dropped before + /// the parent `incoming-request` is dropped. Dropping this + /// `incoming-request` before all children are dropped will trap. + @since(version = 0.2.0) + headers: func() -> headers; + + /// Gives the `incoming-body` associated with this request. Will only + /// return success at most once, and subsequent calls will return error. + @since(version = 0.2.0) + consume: func() -> result; + } + + /// Represents an outgoing HTTP Request. + @since(version = 0.2.0) + resource outgoing-request { + + /// Construct a new `outgoing-request` with a default `method` of `GET`, and + /// `none` values for `path-with-query`, `scheme`, and `authority`. + /// + /// * `headers` is the HTTP Headers for the Request. + /// + /// It is possible to construct, or manipulate with the accessor functions + /// below, an `outgoing-request` with an invalid combination of `scheme` + /// and `authority`, or `headers` which are not permitted to be sent. + /// It is the obligation of the `outgoing-handler.handle` implementation + /// to reject invalid constructions of `outgoing-request`. + @since(version = 0.2.0) + constructor( + headers: headers + ); + + /// Returns the resource corresponding to the outgoing Body for this + /// Request. + /// + /// Returns success on the first call: the `outgoing-body` resource for + /// this `outgoing-request` can be retrieved at most once. Subsequent + /// calls will return error. + @since(version = 0.2.0) + body: func() -> result; + + /// Get the Method for the Request. + @since(version = 0.2.0) + method: func() -> method; + /// Set the Method for the Request. Fails if the string present in a + /// `method.other` argument is not a syntactically valid method. + @since(version = 0.2.0) + set-method: func(method: method) -> result; + + /// Get the combination of the HTTP Path and Query for the Request. + /// When `none`, this represents an empty Path and empty Query. + @since(version = 0.2.0) + path-with-query: func() -> option; + /// Set the combination of the HTTP Path and Query for the Request. + /// When `none`, this represents an empty Path and empty Query. Fails is the + /// string given is not a syntactically valid path and query uri component. + @since(version = 0.2.0) + set-path-with-query: func(path-with-query: option) -> result; + + /// Get the HTTP Related Scheme for the Request. When `none`, the + /// implementation may choose an appropriate default scheme. + @since(version = 0.2.0) + scheme: func() -> option; + /// Set the HTTP Related Scheme for the Request. When `none`, the + /// implementation may choose an appropriate default scheme. Fails if the + /// string given is not a syntactically valid uri scheme. + @since(version = 0.2.0) + set-scheme: func(scheme: option) -> result; + + /// Get the authority of the Request's target URI. A value of `none` may be used + /// with Related Schemes which do not require an authority. The HTTP and + /// HTTPS schemes always require an authority. + @since(version = 0.2.0) + authority: func() -> option; + /// Set the authority of the Request's target URI. A value of `none` may be used + /// with Related Schemes which do not require an authority. The HTTP and + /// HTTPS schemes always require an authority. Fails if the string given is + /// not a syntactically valid URI authority. + @since(version = 0.2.0) + set-authority: func(authority: option) -> result; + + /// Get the headers associated with the Request. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// This headers resource is a child: it must be dropped before the parent + /// `outgoing-request` is dropped, or its ownership is transferred to + /// another component by e.g. `outgoing-handler.handle`. + @since(version = 0.2.0) + headers: func() -> headers; + } + + /// Parameters for making an HTTP Request. Each of these parameters is + /// currently an optional timeout applicable to the transport layer of the + /// HTTP protocol. + /// + /// These timeouts are separate from any the user may use to bound a + /// blocking call to `wasi:io/poll.poll`. + @since(version = 0.2.0) + resource request-options { + /// Construct a default `request-options` value. + @since(version = 0.2.0) + constructor(); + + /// The timeout for the initial connect to the HTTP Server. + @since(version = 0.2.0) + connect-timeout: func() -> option; + + /// Set the timeout for the initial connect to the HTTP Server. An error + /// return value indicates that this timeout is not supported. + @since(version = 0.2.0) + set-connect-timeout: func(duration: option) -> result; + + /// The timeout for receiving the first byte of the Response body. + @since(version = 0.2.0) + first-byte-timeout: func() -> option; + + /// Set the timeout for receiving the first byte of the Response body. An + /// error return value indicates that this timeout is not supported. + @since(version = 0.2.0) + set-first-byte-timeout: func(duration: option) -> result; + + /// The timeout for receiving subsequent chunks of bytes in the Response + /// body stream. + @since(version = 0.2.0) + between-bytes-timeout: func() -> option; + + /// Set the timeout for receiving subsequent chunks of bytes in the Response + /// body stream. An error return value indicates that this timeout is not + /// supported. + @since(version = 0.2.0) + set-between-bytes-timeout: func(duration: option) -> result; + } + + /// Represents the ability to send an HTTP Response. + /// + /// This resource is used by the `wasi:http/incoming-handler` interface to + /// allow a Response to be sent corresponding to the Request provided as the + /// other argument to `incoming-handler.handle`. + @since(version = 0.2.0) + resource response-outparam { + + /// Set the value of the `response-outparam` to either send a response, + /// or indicate an error. + /// + /// This method consumes the `response-outparam` to ensure that it is + /// called at most once. If it is never called, the implementation + /// will respond with an error. + /// + /// The user may provide an `error` to `response` to allow the + /// implementation determine how to respond with an HTTP error response. + @since(version = 0.2.0) + set: static func( + param: response-outparam, + response: result, + ); + } + + /// This type corresponds to the HTTP standard Status Code. + @since(version = 0.2.0) + type status-code = u16; + + /// Represents an incoming HTTP Response. + @since(version = 0.2.0) + resource incoming-response { + + /// Returns the status code from the incoming response. + @since(version = 0.2.0) + status: func() -> status-code; + + /// Returns the headers from the incoming response. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// This headers resource is a child: it must be dropped before the parent + /// `incoming-response` is dropped. + @since(version = 0.2.0) + headers: func() -> headers; + + /// Returns the incoming body. May be called at most once. Returns error + /// if called additional times. + @since(version = 0.2.0) + consume: func() -> result; + } + + /// Represents an incoming HTTP Request or Response's Body. + /// + /// A body has both its contents - a stream of bytes - and a (possibly + /// empty) set of trailers, indicating that the full contents of the + /// body have been received. This resource represents the contents as + /// an `input-stream` and the delivery of trailers as a `future-trailers`, + /// and ensures that the user of this interface may only be consuming either + /// the body contents or waiting on trailers at any given time. + @since(version = 0.2.0) + resource incoming-body { + + /// Returns the contents of the body, as a stream of bytes. + /// + /// Returns success on first call: the stream representing the contents + /// can be retrieved at most once. Subsequent calls will return error. + /// + /// The returned `input-stream` resource is a child: it must be dropped + /// before the parent `incoming-body` is dropped, or consumed by + /// `incoming-body.finish`. + /// + /// This invariant ensures that the implementation can determine whether + /// the user is consuming the contents of the body, waiting on the + /// `future-trailers` to be ready, or neither. This allows for network + /// backpressure is to be applied when the user is consuming the body, + /// and for that backpressure to not inhibit delivery of the trailers if + /// the user does not read the entire body. + @since(version = 0.2.0) + %stream: func() -> result; + + /// Takes ownership of `incoming-body`, and returns a `future-trailers`. + /// This function will trap if the `input-stream` child is still alive. + @since(version = 0.2.0) + finish: static func(this: incoming-body) -> future-trailers; + } + + /// Represents a future which may eventually return trailers, or an error. + /// + /// In the case that the incoming HTTP Request or Response did not have any + /// trailers, this future will resolve to the empty set of trailers once the + /// complete Request or Response body has been received. + @since(version = 0.2.0) + resource future-trailers { + + /// Returns a pollable which becomes ready when either the trailers have + /// been received, or an error has occurred. When this pollable is ready, + /// the `get` method will return `some`. + @since(version = 0.2.0) + subscribe: func() -> pollable; + + /// Returns the contents of the trailers, or an error which occurred, + /// once the future is ready. + /// + /// The outer `option` represents future readiness. Users can wait on this + /// `option` to become `some` using the `subscribe` method. + /// + /// The outer `result` is used to retrieve the trailers or error at most + /// once. It will be success on the first call in which the outer option + /// is `some`, and error on subsequent calls. + /// + /// The inner `result` represents that either the HTTP Request or Response + /// body, as well as any trailers, were received successfully, or that an + /// error occurred receiving them. The optional `trailers` indicates whether + /// or not trailers were present in the body. + /// + /// When some `trailers` are returned by this method, the `trailers` + /// resource is immutable, and a child. Use of the `set`, `append`, or + /// `delete` methods will return an error, and the resource must be + /// dropped before the parent `future-trailers` is dropped. + @since(version = 0.2.0) + get: func() -> option, error-code>>>; + } + + /// Represents an outgoing HTTP Response. + @since(version = 0.2.0) + resource outgoing-response { + + /// Construct an `outgoing-response`, with a default `status-code` of `200`. + /// If a different `status-code` is needed, it must be set via the + /// `set-status-code` method. + /// + /// * `headers` is the HTTP Headers for the Response. + @since(version = 0.2.0) + constructor(headers: headers); + + /// Get the HTTP Status Code for the Response. + @since(version = 0.2.0) + status-code: func() -> status-code; + + /// Set the HTTP Status Code for the Response. Fails if the status-code + /// given is not a valid http status code. + @since(version = 0.2.0) + set-status-code: func(status-code: status-code) -> result; + + /// Get the headers associated with the Request. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// This headers resource is a child: it must be dropped before the parent + /// `outgoing-request` is dropped, or its ownership is transferred to + /// another component by e.g. `outgoing-handler.handle`. + @since(version = 0.2.0) + headers: func() -> headers; + + /// Returns the resource corresponding to the outgoing Body for this Response. + /// + /// Returns success on the first call: the `outgoing-body` resource for + /// this `outgoing-response` can be retrieved at most once. Subsequent + /// calls will return error. + @since(version = 0.2.0) + body: func() -> result; + } + + /// Represents an outgoing HTTP Request or Response's Body. + /// + /// A body has both its contents - a stream of bytes - and a (possibly + /// empty) set of trailers, inducating the full contents of the body + /// have been sent. This resource represents the contents as an + /// `output-stream` child resource, and the completion of the body (with + /// optional trailers) with a static function that consumes the + /// `outgoing-body` resource, and ensures that the user of this interface + /// may not write to the body contents after the body has been finished. + /// + /// If the user code drops this resource, as opposed to calling the static + /// method `finish`, the implementation should treat the body as incomplete, + /// and that an error has occurred. The implementation should propagate this + /// error to the HTTP protocol by whatever means it has available, + /// including: corrupting the body on the wire, aborting the associated + /// Request, or sending a late status code for the Response. + @since(version = 0.2.0) + resource outgoing-body { + + /// Returns a stream for writing the body contents. + /// + /// The returned `output-stream` is a child resource: it must be dropped + /// before the parent `outgoing-body` resource is dropped (or finished), + /// otherwise the `outgoing-body` drop or `finish` will trap. + /// + /// Returns success on the first call: the `output-stream` resource for + /// this `outgoing-body` may be retrieved at most once. Subsequent calls + /// will return error. + @since(version = 0.2.0) + write: func() -> result; + + /// Finalize an outgoing body, optionally providing trailers. This must be + /// called to signal that the response is complete. If the `outgoing-body` + /// is dropped without calling `outgoing-body.finalize`, the implementation + /// should treat the body as corrupted. + /// + /// Fails if the body's `outgoing-request` or `outgoing-response` was + /// constructed with a Content-Length header, and the contents written + /// to the body (via `write`) does not match the value given in the + /// Content-Length. + @since(version = 0.2.0) + finish: static func( + this: outgoing-body, + trailers: option + ) -> result<_, error-code>; + } + + /// Represents a future which may eventually return an incoming HTTP + /// Response, or an error. + /// + /// This resource is returned by the `wasi:http/outgoing-handler` interface to + /// provide the HTTP Response corresponding to the sent Request. + @since(version = 0.2.0) + resource future-incoming-response { + /// Returns a pollable which becomes ready when either the Response has + /// been received, or an error has occurred. When this pollable is ready, + /// the `get` method will return `some`. + @since(version = 0.2.0) + subscribe: func() -> pollable; + + /// Returns the incoming HTTP Response, or an error, once one is ready. + /// + /// The outer `option` represents future readiness. Users can wait on this + /// `option` to become `some` using the `subscribe` method. + /// + /// The outer `result` is used to retrieve the response or error at most + /// once. It will be success on the first call in which the outer option + /// is `some`, and error on subsequent calls. + /// + /// The inner `result` represents that either the incoming HTTP Response + /// status and headers have received successfully, or that an error + /// occurred. Errors may also occur while consuming the response body, + /// but those will be reported by the `incoming-body` and its + /// `output-stream` child. + @since(version = 0.2.0) + get: func() -> option>>; + } +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/io/error.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/io/error.wit new file mode 100644 index 0000000000..97c6068779 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/io/error.wit @@ -0,0 +1,34 @@ +package wasi:io@0.2.3; + +@since(version = 0.2.0) +interface error { + /// A resource which represents some error information. + /// + /// The only method provided by this resource is `to-debug-string`, + /// which provides some human-readable information about the error. + /// + /// In the `wasi:io` package, this resource is returned through the + /// `wasi:io/streams/stream-error` type. + /// + /// To provide more specific error information, other interfaces may + /// offer functions to "downcast" this error into more specific types. For example, + /// errors returned from streams derived from filesystem types can be described using + /// the filesystem's own error-code type. This is done using the function + /// `wasi:filesystem/types/filesystem-error-code`, which takes a `borrow` + /// parameter and returns an `option`. + /// + /// The set of functions which can "downcast" an `error` into a more + /// concrete type is open. + @since(version = 0.2.0) + resource error { + /// Returns a string that is suitable to assist humans in debugging + /// this error. + /// + /// WARNING: The returned string should not be consumed mechanically! + /// It may change across platforms, hosts, or other implementation + /// details. Parsing this string is a major platform-compatibility + /// hazard. + @since(version = 0.2.0) + to-debug-string: func() -> string; + } +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/io/poll.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/io/poll.wit new file mode 100644 index 0000000000..9bcbe8e036 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/io/poll.wit @@ -0,0 +1,47 @@ +package wasi:io@0.2.3; + +/// A poll API intended to let users wait for I/O events on multiple handles +/// at once. +@since(version = 0.2.0) +interface poll { + /// `pollable` represents a single I/O event which may be ready, or not. + @since(version = 0.2.0) + resource pollable { + + /// Return the readiness of a pollable. This function never blocks. + /// + /// Returns `true` when the pollable is ready, and `false` otherwise. + @since(version = 0.2.0) + ready: func() -> bool; + + /// `block` returns immediately if the pollable is ready, and otherwise + /// blocks until ready. + /// + /// This function is equivalent to calling `poll.poll` on a list + /// containing only this pollable. + @since(version = 0.2.0) + block: func(); + } + + /// Poll for completion on a set of pollables. + /// + /// This function takes a list of pollables, which identify I/O sources of + /// interest, and waits until one or more of the events is ready for I/O. + /// + /// The result `list` contains one or more indices of handles in the + /// argument list that is ready for I/O. + /// + /// This function traps if either: + /// - the list is empty, or: + /// - the list contains more elements than can be indexed with a `u32` value. + /// + /// A timeout can be implemented by adding a pollable from the + /// wasi-clocks API to the list. + /// + /// This function does not return a `result`; polling in itself does not + /// do any I/O so it doesn't fail. If any of the I/O sources identified by + /// the pollables has an error, it is indicated by marking the source as + /// being ready for I/O. + @since(version = 0.2.0) + poll: func(in: list>) -> list; +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/io/streams.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/io/streams.wit new file mode 100644 index 0000000000..0de0846293 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/io/streams.wit @@ -0,0 +1,290 @@ +package wasi:io@0.2.3; + +/// WASI I/O is an I/O abstraction API which is currently focused on providing +/// stream types. +/// +/// In the future, the component model is expected to add built-in stream types; +/// when it does, they are expected to subsume this API. +@since(version = 0.2.0) +interface streams { + @since(version = 0.2.0) + use error.{error}; + @since(version = 0.2.0) + use poll.{pollable}; + + /// An error for input-stream and output-stream operations. + @since(version = 0.2.0) + variant stream-error { + /// The last operation (a write or flush) failed before completion. + /// + /// More information is available in the `error` payload. + /// + /// After this, the stream will be closed. All future operations return + /// `stream-error::closed`. + last-operation-failed(error), + /// The stream is closed: no more input will be accepted by the + /// stream. A closed output-stream will return this error on all + /// future operations. + closed + } + + /// An input bytestream. + /// + /// `input-stream`s are *non-blocking* to the extent practical on underlying + /// platforms. I/O operations always return promptly; if fewer bytes are + /// promptly available than requested, they return the number of bytes promptly + /// available, which could even be zero. To wait for data to be available, + /// use the `subscribe` function to obtain a `pollable` which can be polled + /// for using `wasi:io/poll`. + @since(version = 0.2.0) + resource input-stream { + /// Perform a non-blocking read from the stream. + /// + /// When the source of a `read` is binary data, the bytes from the source + /// are returned verbatim. When the source of a `read` is known to the + /// implementation to be text, bytes containing the UTF-8 encoding of the + /// text are returned. + /// + /// This function returns a list of bytes containing the read data, + /// when successful. The returned list will contain up to `len` bytes; + /// it may return fewer than requested, but not more. The list is + /// empty when no bytes are available for reading at this time. The + /// pollable given by `subscribe` will be ready when more bytes are + /// available. + /// + /// This function fails with a `stream-error` when the operation + /// encounters an error, giving `last-operation-failed`, or when the + /// stream is closed, giving `closed`. + /// + /// When the caller gives a `len` of 0, it represents a request to + /// read 0 bytes. If the stream is still open, this call should + /// succeed and return an empty list, or otherwise fail with `closed`. + /// + /// The `len` parameter is a `u64`, which could represent a list of u8 which + /// is not possible to allocate in wasm32, or not desirable to allocate as + /// as a return value by the callee. The callee may return a list of bytes + /// less than `len` in size while more bytes are available for reading. + @since(version = 0.2.0) + read: func( + /// The maximum number of bytes to read + len: u64 + ) -> result, stream-error>; + + /// Read bytes from a stream, after blocking until at least one byte can + /// be read. Except for blocking, behavior is identical to `read`. + @since(version = 0.2.0) + blocking-read: func( + /// The maximum number of bytes to read + len: u64 + ) -> result, stream-error>; + + /// Skip bytes from a stream. Returns number of bytes skipped. + /// + /// Behaves identical to `read`, except instead of returning a list + /// of bytes, returns the number of bytes consumed from the stream. + @since(version = 0.2.0) + skip: func( + /// The maximum number of bytes to skip. + len: u64, + ) -> result; + + /// Skip bytes from a stream, after blocking until at least one byte + /// can be skipped. Except for blocking behavior, identical to `skip`. + @since(version = 0.2.0) + blocking-skip: func( + /// The maximum number of bytes to skip. + len: u64, + ) -> result; + + /// Create a `pollable` which will resolve once either the specified stream + /// has bytes available to read or the other end of the stream has been + /// closed. + /// The created `pollable` is a child resource of the `input-stream`. + /// Implementations may trap if the `input-stream` is dropped before + /// all derived `pollable`s created with this function are dropped. + @since(version = 0.2.0) + subscribe: func() -> pollable; + } + + + /// An output bytestream. + /// + /// `output-stream`s are *non-blocking* to the extent practical on + /// underlying platforms. Except where specified otherwise, I/O operations also + /// always return promptly, after the number of bytes that can be written + /// promptly, which could even be zero. To wait for the stream to be ready to + /// accept data, the `subscribe` function to obtain a `pollable` which can be + /// polled for using `wasi:io/poll`. + /// + /// Dropping an `output-stream` while there's still an active write in + /// progress may result in the data being lost. Before dropping the stream, + /// be sure to fully flush your writes. + @since(version = 0.2.0) + resource output-stream { + /// Check readiness for writing. This function never blocks. + /// + /// Returns the number of bytes permitted for the next call to `write`, + /// or an error. Calling `write` with more bytes than this function has + /// permitted will trap. + /// + /// When this function returns 0 bytes, the `subscribe` pollable will + /// become ready when this function will report at least 1 byte, or an + /// error. + @since(version = 0.2.0) + check-write: func() -> result; + + /// Perform a write. This function never blocks. + /// + /// When the destination of a `write` is binary data, the bytes from + /// `contents` are written verbatim. When the destination of a `write` is + /// known to the implementation to be text, the bytes of `contents` are + /// transcoded from UTF-8 into the encoding of the destination and then + /// written. + /// + /// Precondition: check-write gave permit of Ok(n) and contents has a + /// length of less than or equal to n. Otherwise, this function will trap. + /// + /// returns Err(closed) without writing if the stream has closed since + /// the last call to check-write provided a permit. + @since(version = 0.2.0) + write: func( + contents: list + ) -> result<_, stream-error>; + + /// Perform a write of up to 4096 bytes, and then flush the stream. Block + /// until all of these operations are complete, or an error occurs. + /// + /// This is a convenience wrapper around the use of `check-write`, + /// `subscribe`, `write`, and `flush`, and is implemented with the + /// following pseudo-code: + /// + /// ```text + /// let pollable = this.subscribe(); + /// while !contents.is_empty() { + /// // Wait for the stream to become writable + /// pollable.block(); + /// let Ok(n) = this.check-write(); // eliding error handling + /// let len = min(n, contents.len()); + /// let (chunk, rest) = contents.split_at(len); + /// this.write(chunk ); // eliding error handling + /// contents = rest; + /// } + /// this.flush(); + /// // Wait for completion of `flush` + /// pollable.block(); + /// // Check for any errors that arose during `flush` + /// let _ = this.check-write(); // eliding error handling + /// ``` + @since(version = 0.2.0) + blocking-write-and-flush: func( + contents: list + ) -> result<_, stream-error>; + + /// Request to flush buffered output. This function never blocks. + /// + /// This tells the output-stream that the caller intends any buffered + /// output to be flushed. the output which is expected to be flushed + /// is all that has been passed to `write` prior to this call. + /// + /// Upon calling this function, the `output-stream` will not accept any + /// writes (`check-write` will return `ok(0)`) until the flush has + /// completed. The `subscribe` pollable will become ready when the + /// flush has completed and the stream can accept more writes. + @since(version = 0.2.0) + flush: func() -> result<_, stream-error>; + + /// Request to flush buffered output, and block until flush completes + /// and stream is ready for writing again. + @since(version = 0.2.0) + blocking-flush: func() -> result<_, stream-error>; + + /// Create a `pollable` which will resolve once the output-stream + /// is ready for more writing, or an error has occurred. When this + /// pollable is ready, `check-write` will return `ok(n)` with n>0, or an + /// error. + /// + /// If the stream is closed, this pollable is always ready immediately. + /// + /// The created `pollable` is a child resource of the `output-stream`. + /// Implementations may trap if the `output-stream` is dropped before + /// all derived `pollable`s created with this function are dropped. + @since(version = 0.2.0) + subscribe: func() -> pollable; + + /// Write zeroes to a stream. + /// + /// This should be used precisely like `write` with the exact same + /// preconditions (must use check-write first), but instead of + /// passing a list of bytes, you simply pass the number of zero-bytes + /// that should be written. + @since(version = 0.2.0) + write-zeroes: func( + /// The number of zero-bytes to write + len: u64 + ) -> result<_, stream-error>; + + /// Perform a write of up to 4096 zeroes, and then flush the stream. + /// Block until all of these operations are complete, or an error + /// occurs. + /// + /// This is a convenience wrapper around the use of `check-write`, + /// `subscribe`, `write-zeroes`, and `flush`, and is implemented with + /// the following pseudo-code: + /// + /// ```text + /// let pollable = this.subscribe(); + /// while num_zeroes != 0 { + /// // Wait for the stream to become writable + /// pollable.block(); + /// let Ok(n) = this.check-write(); // eliding error handling + /// let len = min(n, num_zeroes); + /// this.write-zeroes(len); // eliding error handling + /// num_zeroes -= len; + /// } + /// this.flush(); + /// // Wait for completion of `flush` + /// pollable.block(); + /// // Check for any errors that arose during `flush` + /// let _ = this.check-write(); // eliding error handling + /// ``` + @since(version = 0.2.0) + blocking-write-zeroes-and-flush: func( + /// The number of zero-bytes to write + len: u64 + ) -> result<_, stream-error>; + + /// Read from one stream and write to another. + /// + /// The behavior of splice is equivalent to: + /// 1. calling `check-write` on the `output-stream` + /// 2. calling `read` on the `input-stream` with the smaller of the + /// `check-write` permitted length and the `len` provided to `splice` + /// 3. calling `write` on the `output-stream` with that read data. + /// + /// Any error reported by the call to `check-write`, `read`, or + /// `write` ends the splice and reports that error. + /// + /// This function returns the number of bytes transferred; it may be less + /// than `len`. + @since(version = 0.2.0) + splice: func( + /// The stream to read from + src: borrow, + /// The number of bytes to splice + len: u64, + ) -> result; + + /// Read from one stream and write to another, with blocking. + /// + /// This is similar to `splice`, except that it blocks until the + /// `output-stream` is ready for writing, and the `input-stream` + /// is ready for reading, before performing the `splice`. + @since(version = 0.2.0) + blocking-splice: func( + /// The stream to read from + src: borrow, + /// The number of bytes to splice + len: u64, + ) -> result; + } +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/io/world.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/io/world.wit new file mode 100644 index 0000000000..f1d2102dca --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/io/world.wit @@ -0,0 +1,10 @@ +package wasi:io@0.2.3; + +@since(version = 0.2.0) +world imports { + @since(version = 0.2.0) + import streams; + + @since(version = 0.2.0) + import poll; +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/random/insecure-seed.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/random/insecure-seed.wit new file mode 100644 index 0000000000..67d024d5bf --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/random/insecure-seed.wit @@ -0,0 +1,27 @@ +package wasi:random@0.2.3; +/// The insecure-seed interface for seeding hash-map DoS resistance. +/// +/// It is intended to be portable at least between Unix-family platforms and +/// Windows. +@since(version = 0.2.0) +interface insecure-seed { + /// Return a 128-bit value that may contain a pseudo-random value. + /// + /// The returned value is not required to be computed from a CSPRNG, and may + /// even be entirely deterministic. Host implementations are encouraged to + /// provide pseudo-random values to any program exposed to + /// attacker-controlled content, to enable DoS protection built into many + /// languages' hash-map implementations. + /// + /// This function is intended to only be called once, by a source language + /// to initialize Denial Of Service (DoS) protection in its hash-map + /// implementation. + /// + /// # Expected future evolution + /// + /// This will likely be changed to a value import, to prevent it from being + /// called multiple times and potentially used for purposes other than DoS + /// protection. + @since(version = 0.2.0) + insecure-seed: func() -> tuple; +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/random/insecure.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/random/insecure.wit new file mode 100644 index 0000000000..a07dfab327 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/random/insecure.wit @@ -0,0 +1,25 @@ +package wasi:random@0.2.3; +/// The insecure interface for insecure pseudo-random numbers. +/// +/// It is intended to be portable at least between Unix-family platforms and +/// Windows. +@since(version = 0.2.0) +interface insecure { + /// Return `len` insecure pseudo-random bytes. + /// + /// This function is not cryptographically secure. Do not use it for + /// anything related to security. + /// + /// There are no requirements on the values of the returned bytes, however + /// implementations are encouraged to return evenly distributed values with + /// a long period. + @since(version = 0.2.0) + get-insecure-random-bytes: func(len: u64) -> list; + + /// Return an insecure pseudo-random `u64` value. + /// + /// This function returns the same type of pseudo-random data as + /// `get-insecure-random-bytes`, represented as a `u64`. + @since(version = 0.2.0) + get-insecure-random-u64: func() -> u64; +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/random/random.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/random/random.wit new file mode 100644 index 0000000000..91957e6330 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/random/random.wit @@ -0,0 +1,29 @@ +package wasi:random@0.2.3; +/// WASI Random is a random data API. +/// +/// It is intended to be portable at least between Unix-family platforms and +/// Windows. +@since(version = 0.2.0) +interface random { + /// Return `len` cryptographically-secure random or pseudo-random bytes. + /// + /// This function must produce data at least as cryptographically secure and + /// fast as an adequately seeded cryptographically-secure pseudo-random + /// number generator (CSPRNG). It must not block, from the perspective of + /// the calling program, under any circumstances, including on the first + /// request and on requests for numbers of bytes. The returned data must + /// always be unpredictable. + /// + /// This function must always return fresh data. Deterministic environments + /// must omit this function, rather than implementing it with deterministic + /// data. + @since(version = 0.2.0) + get-random-bytes: func(len: u64) -> list; + + /// Return a cryptographically-secure random or pseudo-random `u64` value. + /// + /// This function returns the same type of data as `get-random-bytes`, + /// represented as a `u64`. + @since(version = 0.2.0) + get-random-u64: func() -> u64; +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/random/world.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/random/world.wit new file mode 100644 index 0000000000..0c1218f36e --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/random/world.wit @@ -0,0 +1,13 @@ +package wasi:random@0.2.3; + +@since(version = 0.2.0) +world imports { + @since(version = 0.2.0) + import random; + + @since(version = 0.2.0) + import insecure; + + @since(version = 0.2.0) + import insecure-seed; +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/sockets/instance-network.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/sockets/instance-network.wit new file mode 100644 index 0000000000..5f6e6c1cc9 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/sockets/instance-network.wit @@ -0,0 +1,11 @@ + +/// This interface provides a value-export of the default network handle.. +@since(version = 0.2.0) +interface instance-network { + @since(version = 0.2.0) + use network.{network}; + + /// Get a handle to the default network. + @since(version = 0.2.0) + instance-network: func() -> network; +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/sockets/ip-name-lookup.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/sockets/ip-name-lookup.wit new file mode 100644 index 0000000000..c1d8a47c16 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/sockets/ip-name-lookup.wit @@ -0,0 +1,56 @@ +@since(version = 0.2.0) +interface ip-name-lookup { + @since(version = 0.2.0) + use wasi:io/poll@0.2.3.{pollable}; + @since(version = 0.2.0) + use network.{network, error-code, ip-address}; + + /// Resolve an internet host name to a list of IP addresses. + /// + /// Unicode domain names are automatically converted to ASCII using IDNA encoding. + /// If the input is an IP address string, the address is parsed and returned + /// as-is without making any external requests. + /// + /// See the wasi-socket proposal README.md for a comparison with getaddrinfo. + /// + /// This function never blocks. It either immediately fails or immediately + /// returns successfully with a `resolve-address-stream` that can be used + /// to (asynchronously) fetch the results. + /// + /// # Typical errors + /// - `invalid-argument`: `name` is a syntactically invalid domain name or IP address. + /// + /// # References: + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + resolve-addresses: func(network: borrow, name: string) -> result; + + @since(version = 0.2.0) + resource resolve-address-stream { + /// Returns the next address from the resolver. + /// + /// This function should be called multiple times. On each call, it will + /// return the next address in connection order preference. If all + /// addresses have been exhausted, this function returns `none`. + /// + /// This function never returns IPv4-mapped IPv6 addresses. + /// + /// # Typical errors + /// - `name-unresolvable`: Name does not exist or has no suitable associated IP addresses. (EAI_NONAME, EAI_NODATA, EAI_ADDRFAMILY) + /// - `temporary-resolver-failure`: A temporary failure in name resolution occurred. (EAI_AGAIN) + /// - `permanent-resolver-failure`: A permanent failure in name resolution occurred. (EAI_FAIL) + /// - `would-block`: A result is not available yet. (EWOULDBLOCK, EAGAIN) + @since(version = 0.2.0) + resolve-next-address: func() -> result, error-code>; + + /// Create a `pollable` which will resolve once the stream is ready for I/O. + /// + /// Note: this function is here for WASI 0.2 only. + /// It's planned to be removed when `future` is natively supported in Preview3. + @since(version = 0.2.0) + subscribe: func() -> pollable; + } +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/sockets/network.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/sockets/network.wit new file mode 100644 index 0000000000..f3f60a3709 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/sockets/network.wit @@ -0,0 +1,169 @@ +@since(version = 0.2.0) +interface network { + @unstable(feature = network-error-code) + use wasi:io/error@0.2.3.{error}; + + /// An opaque resource that represents access to (a subset of) the network. + /// This enables context-based security for networking. + /// There is no need for this to map 1:1 to a physical network interface. + @since(version = 0.2.0) + resource network; + + /// Error codes. + /// + /// In theory, every API can return any error code. + /// In practice, API's typically only return the errors documented per API + /// combined with a couple of errors that are always possible: + /// - `unknown` + /// - `access-denied` + /// - `not-supported` + /// - `out-of-memory` + /// - `concurrency-conflict` + /// + /// See each individual API for what the POSIX equivalents are. They sometimes differ per API. + @since(version = 0.2.0) + enum error-code { + /// Unknown error + unknown, + + /// Access denied. + /// + /// POSIX equivalent: EACCES, EPERM + access-denied, + + /// The operation is not supported. + /// + /// POSIX equivalent: EOPNOTSUPP + not-supported, + + /// One of the arguments is invalid. + /// + /// POSIX equivalent: EINVAL + invalid-argument, + + /// Not enough memory to complete the operation. + /// + /// POSIX equivalent: ENOMEM, ENOBUFS, EAI_MEMORY + out-of-memory, + + /// The operation timed out before it could finish completely. + timeout, + + /// This operation is incompatible with another asynchronous operation that is already in progress. + /// + /// POSIX equivalent: EALREADY + concurrency-conflict, + + /// Trying to finish an asynchronous operation that: + /// - has not been started yet, or: + /// - was already finished by a previous `finish-*` call. + /// + /// Note: this is scheduled to be removed when `future`s are natively supported. + not-in-progress, + + /// The operation has been aborted because it could not be completed immediately. + /// + /// Note: this is scheduled to be removed when `future`s are natively supported. + would-block, + + + /// The operation is not valid in the socket's current state. + invalid-state, + + /// A new socket resource could not be created because of a system limit. + new-socket-limit, + + /// A bind operation failed because the provided address is not an address that the `network` can bind to. + address-not-bindable, + + /// A bind operation failed because the provided address is already in use or because there are no ephemeral ports available. + address-in-use, + + /// The remote address is not reachable + remote-unreachable, + + + /// The TCP connection was forcefully rejected + connection-refused, + + /// The TCP connection was reset. + connection-reset, + + /// A TCP connection was aborted. + connection-aborted, + + + /// The size of a datagram sent to a UDP socket exceeded the maximum + /// supported size. + datagram-too-large, + + + /// Name does not exist or has no suitable associated IP addresses. + name-unresolvable, + + /// A temporary failure in name resolution occurred. + temporary-resolver-failure, + + /// A permanent failure in name resolution occurred. + permanent-resolver-failure, + } + + /// Attempts to extract a network-related `error-code` from the stream + /// `error` provided. + /// + /// Stream operations which return `stream-error::last-operation-failed` + /// have a payload with more information about the operation that failed. + /// This payload can be passed through to this function to see if there's + /// network-related information about the error to return. + /// + /// Note that this function is fallible because not all stream-related + /// errors are network-related errors. + @unstable(feature = network-error-code) + network-error-code: func(err: borrow) -> option; + + @since(version = 0.2.0) + enum ip-address-family { + /// Similar to `AF_INET` in POSIX. + ipv4, + + /// Similar to `AF_INET6` in POSIX. + ipv6, + } + + @since(version = 0.2.0) + type ipv4-address = tuple; + @since(version = 0.2.0) + type ipv6-address = tuple; + + @since(version = 0.2.0) + variant ip-address { + ipv4(ipv4-address), + ipv6(ipv6-address), + } + + @since(version = 0.2.0) + record ipv4-socket-address { + /// sin_port + port: u16, + /// sin_addr + address: ipv4-address, + } + + @since(version = 0.2.0) + record ipv6-socket-address { + /// sin6_port + port: u16, + /// sin6_flowinfo + flow-info: u32, + /// sin6_addr + address: ipv6-address, + /// sin6_scope_id + scope-id: u32, + } + + @since(version = 0.2.0) + variant ip-socket-address { + ipv4(ipv4-socket-address), + ipv6(ipv6-socket-address), + } +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/sockets/tcp-create-socket.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/sockets/tcp-create-socket.wit new file mode 100644 index 0000000000..eedbd30768 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/sockets/tcp-create-socket.wit @@ -0,0 +1,30 @@ +@since(version = 0.2.0) +interface tcp-create-socket { + @since(version = 0.2.0) + use network.{network, error-code, ip-address-family}; + @since(version = 0.2.0) + use tcp.{tcp-socket}; + + /// Create a new TCP socket. + /// + /// Similar to `socket(AF_INET or AF_INET6, SOCK_STREAM, IPPROTO_TCP)` in POSIX. + /// On IPv6 sockets, IPV6_V6ONLY is enabled by default and can't be configured otherwise. + /// + /// This function does not require a network capability handle. This is considered to be safe because + /// at time of creation, the socket is not bound to any `network` yet. Up to the moment `bind`/`connect` + /// is called, the socket is effectively an in-memory configuration object, unable to communicate with the outside world. + /// + /// All sockets are non-blocking. Use the wasi-poll interface to block on asynchronous operations. + /// + /// # Typical errors + /// - `not-supported`: The specified `address-family` is not supported. (EAFNOSUPPORT) + /// - `new-socket-limit`: The new socket resource could not be created because of a system limit. (EMFILE, ENFILE) + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + create-tcp-socket: func(address-family: ip-address-family) -> result; +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/sockets/tcp.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/sockets/tcp.wit new file mode 100644 index 0000000000..b4cd87fcef --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/sockets/tcp.wit @@ -0,0 +1,387 @@ +@since(version = 0.2.0) +interface tcp { + @since(version = 0.2.0) + use wasi:io/streams@0.2.3.{input-stream, output-stream}; + @since(version = 0.2.0) + use wasi:io/poll@0.2.3.{pollable}; + @since(version = 0.2.0) + use wasi:clocks/monotonic-clock@0.2.3.{duration}; + @since(version = 0.2.0) + use network.{network, error-code, ip-socket-address, ip-address-family}; + + @since(version = 0.2.0) + enum shutdown-type { + /// Similar to `SHUT_RD` in POSIX. + receive, + + /// Similar to `SHUT_WR` in POSIX. + send, + + /// Similar to `SHUT_RDWR` in POSIX. + both, + } + + /// A TCP socket resource. + /// + /// The socket can be in one of the following states: + /// - `unbound` + /// - `bind-in-progress` + /// - `bound` (See note below) + /// - `listen-in-progress` + /// - `listening` + /// - `connect-in-progress` + /// - `connected` + /// - `closed` + /// See + /// for more information. + /// + /// Note: Except where explicitly mentioned, whenever this documentation uses + /// the term "bound" without backticks it actually means: in the `bound` state *or higher*. + /// (i.e. `bound`, `listen-in-progress`, `listening`, `connect-in-progress` or `connected`) + /// + /// In addition to the general error codes documented on the + /// `network::error-code` type, TCP socket methods may always return + /// `error(invalid-state)` when in the `closed` state. + @since(version = 0.2.0) + resource tcp-socket { + /// Bind the socket to a specific network on the provided IP address and port. + /// + /// If the IP address is zero (`0.0.0.0` in IPv4, `::` in IPv6), it is left to the implementation to decide which + /// network interface(s) to bind to. + /// If the TCP/UDP port is zero, the socket will be bound to a random free port. + /// + /// Bind can be attempted multiple times on the same socket, even with + /// different arguments on each iteration. But never concurrently and + /// only as long as the previous bind failed. Once a bind succeeds, the + /// binding can't be changed anymore. + /// + /// # Typical errors + /// - `invalid-argument`: The `local-address` has the wrong address family. (EAFNOSUPPORT, EFAULT on Windows) + /// - `invalid-argument`: `local-address` is not a unicast address. (EINVAL) + /// - `invalid-argument`: `local-address` is an IPv4-mapped IPv6 address. (EINVAL) + /// - `invalid-state`: The socket is already bound. (EINVAL) + /// - `address-in-use`: No ephemeral ports available. (EADDRINUSE, ENOBUFS on Windows) + /// - `address-in-use`: Address is already in use. (EADDRINUSE) + /// - `address-not-bindable`: `local-address` is not an address that the `network` can bind to. (EADDRNOTAVAIL) + /// - `not-in-progress`: A `bind` operation is not in progress. + /// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN) + /// + /// # Implementors note + /// When binding to a non-zero port, this bind operation shouldn't be affected by the TIME_WAIT + /// state of a recently closed socket on the same local address. In practice this means that the SO_REUSEADDR + /// socket option should be set implicitly on all platforms, except on Windows where this is the default behavior + /// and SO_REUSEADDR performs something different entirely. + /// + /// Unlike in POSIX, in WASI the bind operation is async. This enables + /// interactive WASI hosts to inject permission prompts. Runtimes that + /// don't want to make use of this ability can simply call the native + /// `bind` as part of either `start-bind` or `finish-bind`. + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + start-bind: func(network: borrow, local-address: ip-socket-address) -> result<_, error-code>; + @since(version = 0.2.0) + finish-bind: func() -> result<_, error-code>; + + /// Connect to a remote endpoint. + /// + /// On success: + /// - the socket is transitioned into the `connected` state. + /// - a pair of streams is returned that can be used to read & write to the connection + /// + /// After a failed connection attempt, the socket will be in the `closed` + /// state and the only valid action left is to `drop` the socket. A single + /// socket can not be used to connect more than once. + /// + /// # Typical errors + /// - `invalid-argument`: The `remote-address` has the wrong address family. (EAFNOSUPPORT) + /// - `invalid-argument`: `remote-address` is not a unicast address. (EINVAL, ENETUNREACH on Linux, EAFNOSUPPORT on MacOS) + /// - `invalid-argument`: `remote-address` is an IPv4-mapped IPv6 address. (EINVAL, EADDRNOTAVAIL on Illumos) + /// - `invalid-argument`: The IP address in `remote-address` is set to INADDR_ANY (`0.0.0.0` / `::`). (EADDRNOTAVAIL on Windows) + /// - `invalid-argument`: The port in `remote-address` is set to 0. (EADDRNOTAVAIL on Windows) + /// - `invalid-argument`: The socket is already attached to a different network. The `network` passed to `connect` must be identical to the one passed to `bind`. + /// - `invalid-state`: The socket is already in the `connected` state. (EISCONN) + /// - `invalid-state`: The socket is already in the `listening` state. (EOPNOTSUPP, EINVAL on Windows) + /// - `timeout`: Connection timed out. (ETIMEDOUT) + /// - `connection-refused`: The connection was forcefully rejected. (ECONNREFUSED) + /// - `connection-reset`: The connection was reset. (ECONNRESET) + /// - `connection-aborted`: The connection was aborted. (ECONNABORTED) + /// - `remote-unreachable`: The remote address is not reachable. (EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET) + /// - `address-in-use`: Tried to perform an implicit bind, but there were no ephemeral ports available. (EADDRINUSE, EADDRNOTAVAIL on Linux, EAGAIN on BSD) + /// - `not-in-progress`: A connect operation is not in progress. + /// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN) + /// + /// # Implementors note + /// The POSIX equivalent of `start-connect` is the regular `connect` syscall. + /// Because all WASI sockets are non-blocking this is expected to return + /// EINPROGRESS, which should be translated to `ok()` in WASI. + /// + /// The POSIX equivalent of `finish-connect` is a `poll` for event `POLLOUT` + /// with a timeout of 0 on the socket descriptor. Followed by a check for + /// the `SO_ERROR` socket option, in case the poll signaled readiness. + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + start-connect: func(network: borrow, remote-address: ip-socket-address) -> result<_, error-code>; + @since(version = 0.2.0) + finish-connect: func() -> result, error-code>; + + /// Start listening for new connections. + /// + /// Transitions the socket into the `listening` state. + /// + /// Unlike POSIX, the socket must already be explicitly bound. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not bound to any local address. (EDESTADDRREQ) + /// - `invalid-state`: The socket is already in the `connected` state. (EISCONN, EINVAL on BSD) + /// - `invalid-state`: The socket is already in the `listening` state. + /// - `address-in-use`: Tried to perform an implicit bind, but there were no ephemeral ports available. (EADDRINUSE) + /// - `not-in-progress`: A listen operation is not in progress. + /// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN) + /// + /// # Implementors note + /// Unlike in POSIX, in WASI the listen operation is async. This enables + /// interactive WASI hosts to inject permission prompts. Runtimes that + /// don't want to make use of this ability can simply call the native + /// `listen` as part of either `start-listen` or `finish-listen`. + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + start-listen: func() -> result<_, error-code>; + @since(version = 0.2.0) + finish-listen: func() -> result<_, error-code>; + + /// Accept a new client socket. + /// + /// The returned socket is bound and in the `connected` state. The following properties are inherited from the listener socket: + /// - `address-family` + /// - `keep-alive-enabled` + /// - `keep-alive-idle-time` + /// - `keep-alive-interval` + /// - `keep-alive-count` + /// - `hop-limit` + /// - `receive-buffer-size` + /// - `send-buffer-size` + /// + /// On success, this function returns the newly accepted client socket along with + /// a pair of streams that can be used to read & write to the connection. + /// + /// # Typical errors + /// - `invalid-state`: Socket is not in the `listening` state. (EINVAL) + /// - `would-block`: No pending connections at the moment. (EWOULDBLOCK, EAGAIN) + /// - `connection-aborted`: An incoming connection was pending, but was terminated by the client before this listener could accept it. (ECONNABORTED) + /// - `new-socket-limit`: The new socket resource could not be created because of a system limit. (EMFILE, ENFILE) + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + accept: func() -> result, error-code>; + + /// Get the bound local address. + /// + /// POSIX mentions: + /// > If the socket has not been bound to a local name, the value + /// > stored in the object pointed to by `address` is unspecified. + /// + /// WASI is stricter and requires `local-address` to return `invalid-state` when the socket hasn't been bound yet. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not bound to any local address. + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + local-address: func() -> result; + + /// Get the remote address. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not connected to a remote address. (ENOTCONN) + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + remote-address: func() -> result; + + /// Whether the socket is in the `listening` state. + /// + /// Equivalent to the SO_ACCEPTCONN socket option. + @since(version = 0.2.0) + is-listening: func() -> bool; + + /// Whether this is a IPv4 or IPv6 socket. + /// + /// Equivalent to the SO_DOMAIN socket option. + @since(version = 0.2.0) + address-family: func() -> ip-address-family; + + /// Hints the desired listen queue size. Implementations are free to ignore this. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// + /// # Typical errors + /// - `not-supported`: (set) The platform does not support changing the backlog size after the initial listen. + /// - `invalid-argument`: (set) The provided value was 0. + /// - `invalid-state`: (set) The socket is in the `connect-in-progress` or `connected` state. + @since(version = 0.2.0) + set-listen-backlog-size: func(value: u64) -> result<_, error-code>; + + /// Enables or disables keepalive. + /// + /// The keepalive behavior can be adjusted using: + /// - `keep-alive-idle-time` + /// - `keep-alive-interval` + /// - `keep-alive-count` + /// These properties can be configured while `keep-alive-enabled` is false, but only come into effect when `keep-alive-enabled` is true. + /// + /// Equivalent to the SO_KEEPALIVE socket option. + @since(version = 0.2.0) + keep-alive-enabled: func() -> result; + @since(version = 0.2.0) + set-keep-alive-enabled: func(value: bool) -> result<_, error-code>; + + /// Amount of time the connection has to be idle before TCP starts sending keepalive packets. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// I.e. after setting a value, reading the same setting back may return a different value. + /// + /// Equivalent to the TCP_KEEPIDLE socket option. (TCP_KEEPALIVE on MacOS) + /// + /// # Typical errors + /// - `invalid-argument`: (set) The provided value was 0. + @since(version = 0.2.0) + keep-alive-idle-time: func() -> result; + @since(version = 0.2.0) + set-keep-alive-idle-time: func(value: duration) -> result<_, error-code>; + + /// The time between keepalive packets. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// I.e. after setting a value, reading the same setting back may return a different value. + /// + /// Equivalent to the TCP_KEEPINTVL socket option. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The provided value was 0. + @since(version = 0.2.0) + keep-alive-interval: func() -> result; + @since(version = 0.2.0) + set-keep-alive-interval: func(value: duration) -> result<_, error-code>; + + /// The maximum amount of keepalive packets TCP should send before aborting the connection. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// I.e. after setting a value, reading the same setting back may return a different value. + /// + /// Equivalent to the TCP_KEEPCNT socket option. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The provided value was 0. + @since(version = 0.2.0) + keep-alive-count: func() -> result; + @since(version = 0.2.0) + set-keep-alive-count: func(value: u32) -> result<_, error-code>; + + /// Equivalent to the IP_TTL & IPV6_UNICAST_HOPS socket options. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The TTL value must be 1 or higher. + @since(version = 0.2.0) + hop-limit: func() -> result; + @since(version = 0.2.0) + set-hop-limit: func(value: u8) -> result<_, error-code>; + + /// The kernel buffer space reserved for sends/receives on this socket. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// I.e. after setting a value, reading the same setting back may return a different value. + /// + /// Equivalent to the SO_RCVBUF and SO_SNDBUF socket options. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The provided value was 0. + @since(version = 0.2.0) + receive-buffer-size: func() -> result; + @since(version = 0.2.0) + set-receive-buffer-size: func(value: u64) -> result<_, error-code>; + @since(version = 0.2.0) + send-buffer-size: func() -> result; + @since(version = 0.2.0) + set-send-buffer-size: func(value: u64) -> result<_, error-code>; + + /// Create a `pollable` which can be used to poll for, or block on, + /// completion of any of the asynchronous operations of this socket. + /// + /// When `finish-bind`, `finish-listen`, `finish-connect` or `accept` + /// return `error(would-block)`, this pollable can be used to wait for + /// their success or failure, after which the method can be retried. + /// + /// The pollable is not limited to the async operation that happens to be + /// in progress at the time of calling `subscribe` (if any). Theoretically, + /// `subscribe` only has to be called once per socket and can then be + /// (re)used for the remainder of the socket's lifetime. + /// + /// See + /// for more information. + /// + /// Note: this function is here for WASI 0.2 only. + /// It's planned to be removed when `future` is natively supported in Preview3. + @since(version = 0.2.0) + subscribe: func() -> pollable; + + /// Initiate a graceful shutdown. + /// + /// - `receive`: The socket is not expecting to receive any data from + /// the peer. The `input-stream` associated with this socket will be + /// closed. Any data still in the receive queue at time of calling + /// this method will be discarded. + /// - `send`: The socket has no more data to send to the peer. The `output-stream` + /// associated with this socket will be closed and a FIN packet will be sent. + /// - `both`: Same effect as `receive` & `send` combined. + /// + /// This function is idempotent; shutting down a direction more than once + /// has no effect and returns `ok`. + /// + /// The shutdown function does not close (drop) the socket. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not in the `connected` state. (ENOTCONN) + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + shutdown: func(shutdown-type: shutdown-type) -> result<_, error-code>; + } +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/sockets/udp-create-socket.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/sockets/udp-create-socket.wit new file mode 100644 index 0000000000..e8eeacbfef --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/sockets/udp-create-socket.wit @@ -0,0 +1,30 @@ +@since(version = 0.2.0) +interface udp-create-socket { + @since(version = 0.2.0) + use network.{network, error-code, ip-address-family}; + @since(version = 0.2.0) + use udp.{udp-socket}; + + /// Create a new UDP socket. + /// + /// Similar to `socket(AF_INET or AF_INET6, SOCK_DGRAM, IPPROTO_UDP)` in POSIX. + /// On IPv6 sockets, IPV6_V6ONLY is enabled by default and can't be configured otherwise. + /// + /// This function does not require a network capability handle. This is considered to be safe because + /// at time of creation, the socket is not bound to any `network` yet. Up to the moment `bind` is called, + /// the socket is effectively an in-memory configuration object, unable to communicate with the outside world. + /// + /// All sockets are non-blocking. Use the wasi-poll interface to block on asynchronous operations. + /// + /// # Typical errors + /// - `not-supported`: The specified `address-family` is not supported. (EAFNOSUPPORT) + /// - `new-socket-limit`: The new socket resource could not be created because of a system limit. (EMFILE, ENFILE) + /// + /// # References: + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + create-udp-socket: func(address-family: ip-address-family) -> result; +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/sockets/udp.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/sockets/udp.wit new file mode 100644 index 0000000000..01901ca27f --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/sockets/udp.wit @@ -0,0 +1,288 @@ +@since(version = 0.2.0) +interface udp { + @since(version = 0.2.0) + use wasi:io/poll@0.2.3.{pollable}; + @since(version = 0.2.0) + use network.{network, error-code, ip-socket-address, ip-address-family}; + + /// A received datagram. + @since(version = 0.2.0) + record incoming-datagram { + /// The payload. + /// + /// Theoretical max size: ~64 KiB. In practice, typically less than 1500 bytes. + data: list, + + /// The source address. + /// + /// This field is guaranteed to match the remote address the stream was initialized with, if any. + /// + /// Equivalent to the `src_addr` out parameter of `recvfrom`. + remote-address: ip-socket-address, + } + + /// A datagram to be sent out. + @since(version = 0.2.0) + record outgoing-datagram { + /// The payload. + data: list, + + /// The destination address. + /// + /// The requirements on this field depend on how the stream was initialized: + /// - with a remote address: this field must be None or match the stream's remote address exactly. + /// - without a remote address: this field is required. + /// + /// If this value is None, the send operation is equivalent to `send` in POSIX. Otherwise it is equivalent to `sendto`. + remote-address: option, + } + + /// A UDP socket handle. + @since(version = 0.2.0) + resource udp-socket { + /// Bind the socket to a specific network on the provided IP address and port. + /// + /// If the IP address is zero (`0.0.0.0` in IPv4, `::` in IPv6), it is left to the implementation to decide which + /// network interface(s) to bind to. + /// If the port is zero, the socket will be bound to a random free port. + /// + /// # Typical errors + /// - `invalid-argument`: The `local-address` has the wrong address family. (EAFNOSUPPORT, EFAULT on Windows) + /// - `invalid-state`: The socket is already bound. (EINVAL) + /// - `address-in-use`: No ephemeral ports available. (EADDRINUSE, ENOBUFS on Windows) + /// - `address-in-use`: Address is already in use. (EADDRINUSE) + /// - `address-not-bindable`: `local-address` is not an address that the `network` can bind to. (EADDRNOTAVAIL) + /// - `not-in-progress`: A `bind` operation is not in progress. + /// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN) + /// + /// # Implementors note + /// Unlike in POSIX, in WASI the bind operation is async. This enables + /// interactive WASI hosts to inject permission prompts. Runtimes that + /// don't want to make use of this ability can simply call the native + /// `bind` as part of either `start-bind` or `finish-bind`. + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + start-bind: func(network: borrow, local-address: ip-socket-address) -> result<_, error-code>; + @since(version = 0.2.0) + finish-bind: func() -> result<_, error-code>; + + /// Set up inbound & outbound communication channels, optionally to a specific peer. + /// + /// This function only changes the local socket configuration and does not generate any network traffic. + /// On success, the `remote-address` of the socket is updated. The `local-address` may be updated as well, + /// based on the best network path to `remote-address`. + /// + /// When a `remote-address` is provided, the returned streams are limited to communicating with that specific peer: + /// - `send` can only be used to send to this destination. + /// - `receive` will only return datagrams sent from the provided `remote-address`. + /// + /// This method may be called multiple times on the same socket to change its association, but + /// only the most recently returned pair of streams will be operational. Implementations may trap if + /// the streams returned by a previous invocation haven't been dropped yet before calling `stream` again. + /// + /// The POSIX equivalent in pseudo-code is: + /// ```text + /// if (was previously connected) { + /// connect(s, AF_UNSPEC) + /// } + /// if (remote_address is Some) { + /// connect(s, remote_address) + /// } + /// ``` + /// + /// Unlike in POSIX, the socket must already be explicitly bound. + /// + /// # Typical errors + /// - `invalid-argument`: The `remote-address` has the wrong address family. (EAFNOSUPPORT) + /// - `invalid-argument`: The IP address in `remote-address` is set to INADDR_ANY (`0.0.0.0` / `::`). (EDESTADDRREQ, EADDRNOTAVAIL) + /// - `invalid-argument`: The port in `remote-address` is set to 0. (EDESTADDRREQ, EADDRNOTAVAIL) + /// - `invalid-state`: The socket is not bound. + /// - `address-in-use`: Tried to perform an implicit bind, but there were no ephemeral ports available. (EADDRINUSE, EADDRNOTAVAIL on Linux, EAGAIN on BSD) + /// - `remote-unreachable`: The remote address is not reachable. (ECONNRESET, ENETRESET, EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET) + /// - `connection-refused`: The connection was refused. (ECONNREFUSED) + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + %stream: func(remote-address: option) -> result, error-code>; + + /// Get the current bound address. + /// + /// POSIX mentions: + /// > If the socket has not been bound to a local name, the value + /// > stored in the object pointed to by `address` is unspecified. + /// + /// WASI is stricter and requires `local-address` to return `invalid-state` when the socket hasn't been bound yet. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not bound to any local address. + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + local-address: func() -> result; + + /// Get the address the socket is currently streaming to. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not streaming to a specific remote address. (ENOTCONN) + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + remote-address: func() -> result; + + /// Whether this is a IPv4 or IPv6 socket. + /// + /// Equivalent to the SO_DOMAIN socket option. + @since(version = 0.2.0) + address-family: func() -> ip-address-family; + + /// Equivalent to the IP_TTL & IPV6_UNICAST_HOPS socket options. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The TTL value must be 1 or higher. + @since(version = 0.2.0) + unicast-hop-limit: func() -> result; + @since(version = 0.2.0) + set-unicast-hop-limit: func(value: u8) -> result<_, error-code>; + + /// The kernel buffer space reserved for sends/receives on this socket. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// I.e. after setting a value, reading the same setting back may return a different value. + /// + /// Equivalent to the SO_RCVBUF and SO_SNDBUF socket options. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The provided value was 0. + @since(version = 0.2.0) + receive-buffer-size: func() -> result; + @since(version = 0.2.0) + set-receive-buffer-size: func(value: u64) -> result<_, error-code>; + @since(version = 0.2.0) + send-buffer-size: func() -> result; + @since(version = 0.2.0) + set-send-buffer-size: func(value: u64) -> result<_, error-code>; + + /// Create a `pollable` which will resolve once the socket is ready for I/O. + /// + /// Note: this function is here for WASI 0.2 only. + /// It's planned to be removed when `future` is natively supported in Preview3. + @since(version = 0.2.0) + subscribe: func() -> pollable; + } + + @since(version = 0.2.0) + resource incoming-datagram-stream { + /// Receive messages on the socket. + /// + /// This function attempts to receive up to `max-results` datagrams on the socket without blocking. + /// The returned list may contain fewer elements than requested, but never more. + /// + /// This function returns successfully with an empty list when either: + /// - `max-results` is 0, or: + /// - `max-results` is greater than 0, but no results are immediately available. + /// This function never returns `error(would-block)`. + /// + /// # Typical errors + /// - `remote-unreachable`: The remote address is not reachable. (ECONNRESET, ENETRESET on Windows, EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET) + /// - `connection-refused`: The connection was refused. (ECONNREFUSED) + /// + /// # References + /// - + /// - + /// - + /// - + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + receive: func(max-results: u64) -> result, error-code>; + + /// Create a `pollable` which will resolve once the stream is ready to receive again. + /// + /// Note: this function is here for WASI 0.2 only. + /// It's planned to be removed when `future` is natively supported in Preview3. + @since(version = 0.2.0) + subscribe: func() -> pollable; + } + + @since(version = 0.2.0) + resource outgoing-datagram-stream { + /// Check readiness for sending. This function never blocks. + /// + /// Returns the number of datagrams permitted for the next call to `send`, + /// or an error. Calling `send` with more datagrams than this function has + /// permitted will trap. + /// + /// When this function returns ok(0), the `subscribe` pollable will + /// become ready when this function will report at least ok(1), or an + /// error. + /// + /// Never returns `would-block`. + check-send: func() -> result; + + /// Send messages on the socket. + /// + /// This function attempts to send all provided `datagrams` on the socket without blocking and + /// returns how many messages were actually sent (or queued for sending). This function never + /// returns `error(would-block)`. If none of the datagrams were able to be sent, `ok(0)` is returned. + /// + /// This function semantically behaves the same as iterating the `datagrams` list and sequentially + /// sending each individual datagram until either the end of the list has been reached or the first error occurred. + /// If at least one datagram has been sent successfully, this function never returns an error. + /// + /// If the input list is empty, the function returns `ok(0)`. + /// + /// Each call to `send` must be permitted by a preceding `check-send`. Implementations must trap if + /// either `check-send` was not called or `datagrams` contains more items than `check-send` permitted. + /// + /// # Typical errors + /// - `invalid-argument`: The `remote-address` has the wrong address family. (EAFNOSUPPORT) + /// - `invalid-argument`: The IP address in `remote-address` is set to INADDR_ANY (`0.0.0.0` / `::`). (EDESTADDRREQ, EADDRNOTAVAIL) + /// - `invalid-argument`: The port in `remote-address` is set to 0. (EDESTADDRREQ, EADDRNOTAVAIL) + /// - `invalid-argument`: The socket is in "connected" mode and `remote-address` is `some` value that does not match the address passed to `stream`. (EISCONN) + /// - `invalid-argument`: The socket is not "connected" and no value for `remote-address` was provided. (EDESTADDRREQ) + /// - `remote-unreachable`: The remote address is not reachable. (ECONNRESET, ENETRESET on Windows, EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET) + /// - `connection-refused`: The connection was refused. (ECONNREFUSED) + /// - `datagram-too-large`: The datagram is too large. (EMSGSIZE) + /// + /// # References + /// - + /// - + /// - + /// - + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + send: func(datagrams: list) -> result; + + /// Create a `pollable` which will resolve once the stream is ready to send again. + /// + /// Note: this function is here for WASI 0.2 only. + /// It's planned to be removed when `future` is natively supported in Preview3. + @since(version = 0.2.0) + subscribe: func() -> pollable; + } +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/deps/sockets/world.wit b/test-components/wasi-http-incoming-request-handler/wit/deps/sockets/world.wit new file mode 100644 index 0000000000..2f0ad0d7c9 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/deps/sockets/world.wit @@ -0,0 +1,19 @@ +package wasi:sockets@0.2.3; + +@since(version = 0.2.0) +world imports { + @since(version = 0.2.0) + import instance-network; + @since(version = 0.2.0) + import network; + @since(version = 0.2.0) + import udp; + @since(version = 0.2.0) + import udp-create-socket; + @since(version = 0.2.0) + import tcp; + @since(version = 0.2.0) + import tcp-create-socket; + @since(version = 0.2.0) + import ip-name-lookup; +} diff --git a/test-components/wasi-http-incoming-request-handler/wit/world.wit b/test-components/wasi-http-incoming-request-handler/wit/world.wit new file mode 100644 index 0000000000..85633a60d5 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler/wit/world.wit @@ -0,0 +1,6 @@ +package golem:handler; + +world api { + import wasi:http/types@0.2.3; + export wasi:http/incoming-handler@0.2.3; +} From 8d2ed51fa60662535c0ea1cf58bf1a5361e556e3 Mon Sep 17 00:00:00 2001 From: Maxim Schuwalow Date: Sun, 19 Jan 2025 13:01:20 +0100 Subject: [PATCH 2/7] unsafety comment --- golem-worker-executor-base/src/invocation.rs | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/golem-worker-executor-base/src/invocation.rs b/golem-worker-executor-base/src/invocation.rs index 3ad09ca4a3..4236e22ee0 100644 --- a/golem-worker-executor-base/src/invocation.rs +++ b/golem-worker-executor-base/src/invocation.rs @@ -468,6 +468,11 @@ async fn invoke_http_handler( .new_response_outparam(sender) .unwrap(); + // unsafety comes from scope_and_collect: + // + // This function is not completely safe: + // please see cancellation_soundness in [tests.rs](https://github.com/rmanoka/async-scoped/blob/master/src/tests.rs) for a test-case that suggests how this can lead to invalid memory access if not dealt with care. + // The caller must ensure that the lifetime ’a is valid until the returned future is fully driven. Dropping the future is okay, but blocks the current thread until all spawned futures complete. unsafe { async_scoped::TokioScope::scope_and_collect(|s| { s.spawn(proxy.wasi_http_incoming_handler().call_handle( From 7fb47f501a51106e73255a5241237ee6a8ab5b48 Mon Sep 17 00:00:00 2001 From: Maxim Schuwalow Date: Mon, 20 Jan 2025 13:01:58 +0100 Subject: [PATCH 3/7] Update golem-common/src/virtual_exports/http_incoming_handler.rs Co-authored-by: Daniel Vigovszky --- golem-common/src/virtual_exports/http_incoming_handler.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/golem-common/src/virtual_exports/http_incoming_handler.rs b/golem-common/src/virtual_exports/http_incoming_handler.rs index 45215c8602..d5e0bc5a2c 100644 --- a/golem-common/src/virtual_exports/http_incoming_handler.rs +++ b/golem-common/src/virtual_exports/http_incoming_handler.rs @@ -26,7 +26,7 @@ use semver::Version; // // record body-and-trailers { // body: body, -// trailers: option +// trailers: option // } // // record request { From 432a381344da3957bf9b0f76eb90cae1cfbf0f78 Mon Sep 17 00:00:00 2001 From: Maxim Schuwalow Date: Mon, 20 Jan 2025 13:22:06 +0100 Subject: [PATCH 4/7] comments --- golem-worker-executor-base/src/invocation.rs | 53 ++++++++------------ golem-worker-executor-base/src/workerctx.rs | 2 - 2 files changed, 21 insertions(+), 34 deletions(-) diff --git a/golem-worker-executor-base/src/invocation.rs b/golem-worker-executor-base/src/invocation.rs index 4236e22ee0..093abe65dc 100644 --- a/golem-worker-executor-base/src/invocation.rs +++ b/golem-worker-executor-base/src/invocation.rs @@ -19,7 +19,7 @@ use crate::virtual_export_compat; use crate::workerctx::{PublicWorkerIo, WorkerCtx}; use anyhow::anyhow; use golem_common::model::oplog::{WorkerError, WorkerResourceId}; -use golem_common::model::WorkerStatus; +use golem_common::model::{IdempotencyKey, WorkerStatus}; use golem_common::virtual_exports; use golem_wasm_rpc::wasmtime::{decode_param, encode_output, type_to_analysed_type}; use golem_wasm_rpc::Value; @@ -457,13 +457,11 @@ async fn invoke_http_handler( let scheme = wasi_http_scheme_from_request(&hyper_request)?; let incoming = store_context .data_mut() - .durable_ctx_mut() .as_wasi_http_view() .new_incoming_request(scheme, hyper_request) .unwrap(); let outgoing = store_context .data_mut() - .durable_ctx_mut() .as_wasi_http_view() .new_response_outparam(sender) .unwrap(); @@ -507,34 +505,12 @@ async fn invoke_http_handler( } }; - let mut store_context = store.as_context_mut(); - - let current_fuel_level = store_context.get_fuel().unwrap_or(0); - let consumed_fuel = store_context - .data_mut() - .return_fuel(current_fuel_level as i64) - .await?; - - if consumed_fuel > 0 { - debug!( - "Fuel consumed for call {raw_function_name}: {}", - consumed_fuel - ); - } - - if let Some(idempotency_key) = idempotency_key { - store_context - .data() - .get_public_state() - .event_service() - .emit_invocation_finished( - raw_function_name, - &idempotency_key, - store_context.data().is_live(), - ); - } - - record_invocation_consumption(consumed_fuel); + let consumed_fuel = finish_invocation_and_get_fuel_consumption( + &mut store.as_context_mut(), + raw_function_name, + idempotency_key, + ) + .await?; match res_or_error { Ok(resp) => Ok(InvokeResult::from_success(consumed_fuel, vec![resp])), @@ -643,6 +619,18 @@ async fn call_exported_function( result }; + let consumed_fuel_for_call = + finish_invocation_and_get_fuel_consumption(&mut store, raw_function_name, idempotency_key) + .await?; + + Ok((result.map(|_| results), consumed_fuel_for_call)) +} + +async fn finish_invocation_and_get_fuel_consumption( + store: &mut StoreContextMut<'_, Ctx>, + raw_function_name: &str, + idempotency_key: Option, +) -> Result { let current_fuel_level = store.get_fuel().unwrap_or(0); let consumed_fuel_for_call = store .data_mut() @@ -665,7 +653,8 @@ async fn call_exported_function( } record_invocation_consumption(consumed_fuel_for_call); - Ok((result.map(|_| results), consumed_fuel_for_call)) + + Ok(consumed_fuel_for_call) } #[derive(Clone, Debug)] diff --git a/golem-worker-executor-base/src/workerctx.rs b/golem-worker-executor-base/src/workerctx.rs index 029c2cdef6..765e478bbb 100644 --- a/golem-worker-executor-base/src/workerctx.rs +++ b/golem-worker-executor-base/src/workerctx.rs @@ -15,7 +15,6 @@ use std::collections::HashSet; use std::sync::{Arc, RwLock, Weak}; -use crate::durable_host::DurableWorkerCtxView; use crate::error::GolemError; use crate::model::{ CurrentResourceLimits, ExecutionStatus, InterruptKind, LastError, ListDirectoryResult, @@ -74,7 +73,6 @@ pub trait WorkerCtx: + Send + Sync + Sized - + DurableWorkerCtxView + 'static { /// PublicState is a subset of the worker context which is accessible outside the worker From edc513386e5f359c3dfd1b42bc9e4310766467c3 Mon Sep 17 00:00:00 2001 From: Maxim Schuwalow Date: Mon, 20 Jan 2025 17:37:32 +0100 Subject: [PATCH 5/7] test using wasm echo server --- Cargo.toml | 1 + .../virtual_exports/http_incoming_handler.rs | 39 +- .../src/durable_host/http/types.rs | 137 +- .../src/durable_host/io/streams.rs | 27 +- golem-worker-executor-base/src/invocation.rs | 15 +- .../http_incoming_handler.rs | 39 +- golem-worker-executor-base/tests/wasi.rs | 145 +- ...si-http-incoming-request-handler-echo.wasm | Bin 0 -> 103873 bytes .../Cargo.lock | 25 + .../Cargo.toml | 25 + .../src/bindings.rs | 7502 +++++++++++++++++ .../src/lib.rs | 95 + .../wit/deps.lock | 29 + .../wit/deps.toml | 1 + .../wit/deps/cli/command.wit | 10 + .../wit/deps/cli/environment.wit | 22 + .../wit/deps/cli/exit.wit | 17 + .../wit/deps/cli/imports.wit | 36 + .../wit/deps/cli/run.wit | 6 + .../wit/deps/cli/stdio.wit | 26 + .../wit/deps/cli/terminal.wit | 62 + .../wit/deps/clocks/monotonic-clock.wit | 50 + .../wit/deps/clocks/timezone.wit | 55 + .../wit/deps/clocks/wall-clock.wit | 46 + .../wit/deps/clocks/world.wit | 11 + .../wit/deps/filesystem/preopens.wit | 11 + .../wit/deps/filesystem/types.wit | 672 ++ .../wit/deps/filesystem/world.wit | 9 + .../wit/deps/http/handler.wit | 49 + .../wit/deps/http/proxy.wit | 50 + .../wit/deps/http/types.wit | 673 ++ .../wit/deps/io/error.wit | 34 + .../wit/deps/io/poll.wit | 47 + .../wit/deps/io/streams.wit | 290 + .../wit/deps/io/world.wit | 10 + .../wit/deps/random/insecure-seed.wit | 27 + .../wit/deps/random/insecure.wit | 25 + .../wit/deps/random/random.wit | 29 + .../wit/deps/random/world.wit | 13 + .../wit/deps/sockets/instance-network.wit | 11 + .../wit/deps/sockets/ip-name-lookup.wit | 56 + .../wit/deps/sockets/network.wit | 169 + .../wit/deps/sockets/tcp-create-socket.wit | 30 + .../wit/deps/sockets/tcp.wit | 387 + .../wit/deps/sockets/udp-create-socket.wit | 30 + .../wit/deps/sockets/udp.wit | 288 + .../wit/deps/sockets/world.wit | 19 + .../wit/world.wit | 6 + .../Cargo.toml | 2 +- 49 files changed, 11248 insertions(+), 110 deletions(-) create mode 100644 test-components/wasi-http-incoming-request-handler-echo.wasm create mode 100644 test-components/wasi-http-incoming-request-handler-echo/Cargo.lock create mode 100644 test-components/wasi-http-incoming-request-handler-echo/Cargo.toml create mode 100644 test-components/wasi-http-incoming-request-handler-echo/src/bindings.rs create mode 100644 test-components/wasi-http-incoming-request-handler-echo/src/lib.rs create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps.lock create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps.toml create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/command.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/environment.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/exit.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/imports.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/run.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/stdio.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/terminal.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/clocks/monotonic-clock.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/clocks/timezone.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/clocks/wall-clock.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/clocks/world.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/filesystem/preopens.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/filesystem/types.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/filesystem/world.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/http/handler.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/http/proxy.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/http/types.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/io/error.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/io/poll.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/io/streams.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/io/world.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/random/insecure-seed.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/random/insecure.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/random/random.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/random/world.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/instance-network.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/ip-name-lookup.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/network.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/tcp-create-socket.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/tcp.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/udp-create-socket.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/udp.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/world.wit create mode 100644 test-components/wasi-http-incoming-request-handler-echo/wit/world.wit diff --git a/Cargo.toml b/Cargo.toml index 0e9775237c..6f40feae09 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -65,6 +65,7 @@ exclude = [ "test-components/update-test-v4", "test-components/variant-service", "test-components/wasi-http-incoming-request-handler", + "test-components/wasi-http-incoming-request-handler-echo", "test-components/write-stderr", "test-components/write-stdout", ] diff --git a/golem-common/src/virtual_exports/http_incoming_handler.rs b/golem-common/src/virtual_exports/http_incoming_handler.rs index d5e0bc5a2c..ef3b6333b2 100644 --- a/golem-common/src/virtual_exports/http_incoming_handler.rs +++ b/golem-common/src/virtual_exports/http_incoming_handler.rs @@ -30,16 +30,15 @@ use semver::Version; // } // // record request { +// uri: string // method: method, -// path-with-query: string, -// scheme: scheme, -// authority: string, -// headers: simple-fields, +// headers: fields, // body-and-trailers: option // } // // record response { // status: status-code, +// headers: fields, // body: option // } // @@ -360,12 +359,12 @@ impl HttpBodyContent { } } -pub struct HttpBody { +pub struct HttpBodyAndTrailers { pub content: HttpBodyContent, pub trailers: Option, } -impl HttpBody { +impl HttpBodyAndTrailers { pub fn analysed_type() -> AnalysedType { use golem_wasm_ast::analysis::*; @@ -403,7 +402,7 @@ impl HttpBody { "not an option" )?; - Ok(HttpBody { content, trailers }) + Ok(HttpBodyAndTrailers { content, trailers }) } pub fn to_value(self) -> Value { let converted_content = self.content.to_value(); @@ -417,7 +416,7 @@ pub struct IncomingHttpRequest { pub uri: String, pub method: HttpMethod, pub headers: HttpFields, - pub body: Option, + pub body: Option, } impl IncomingHttpRequest { @@ -439,9 +438,9 @@ impl IncomingHttpRequest { typ: HttpFields::analyzed_type(), }, NameTypePair { - name: "body".to_string(), + name: "body-and-trailers".to_string(), typ: AnalysedType::Option(TypeOption { - inner: Box::new(HttpBody::analysed_type()), + inner: Box::new(HttpBodyAndTrailers::analysed_type()), }), }, ], @@ -453,7 +452,7 @@ impl IncomingHttpRequest { Err("invalid number of inputs")?; }; Self::from_value(&inputs[0]) - .map_err(|e| format!("Failed parsing input as http request: ${e}")) + .map_err(|e| format!("Failed parsing input as http request: {e}")) } fn from_value(value: &Value) -> Result { @@ -475,7 +474,7 @@ impl IncomingHttpRequest { &record_values[3], Value::Option(inner), match inner { - Some(v) => Some(HttpBody::from_value(v)?), + Some(v) => Some(HttpBodyAndTrailers::from_value(v)?), None => None, }, "not an option" @@ -492,7 +491,8 @@ impl IncomingHttpRequest { pub struct HttpResponse { pub status: u16, - pub body: Option, + pub headers: HttpFields, + pub body: Option, } impl HttpResponse { @@ -506,9 +506,13 @@ impl HttpResponse { typ: AnalysedType::U16(TypeU16), }, NameTypePair { - name: "body".to_string(), + name: "headers".to_string(), + typ: HttpFields::analyzed_type(), + }, + NameTypePair { + name: "body-and-trailers".to_string(), typ: AnalysedType::Option(TypeOption { - inner: Box::new(HttpBody::analysed_type()), + inner: Box::new(HttpBodyAndTrailers::analysed_type()), }), }, ], @@ -517,8 +521,9 @@ impl HttpResponse { pub fn to_value(self) -> Value { let converted_status: Value = Value::U16(self.status); - let converted_body = Value::Option(self.body.map(|b| Box::new(b.to_value()))); + let converted_headers: Value = self.headers.to_value(); + let converted_body: Value = Value::Option(self.body.map(|b| Box::new(b.to_value()))); - Value::Record(vec![converted_status, converted_body]) + Value::Record(vec![converted_status, converted_headers, converted_body]) } } diff --git a/golem-worker-executor-base/src/durable_host/http/types.rs b/golem-worker-executor-base/src/durable_host/http/types.rs index 1ca6d2e0ef..3b3e32cb4a 100644 --- a/golem-worker-executor-base/src/durable_host/http/types.rs +++ b/golem-worker-executor-base/src/durable_host/http/types.rs @@ -441,78 +441,81 @@ impl HostFutureTrailers for DurableWorkerCtx { &mut self, self_: Resource, ) -> anyhow::Result>, ErrorCode>, ()>>> { - self.observe_function_call("http::types::future_trailers", "get"); + // Trailers might be associated with an incoming http request or an http response. + // Only in the second case do we need to add durability. We can distinguish these + // two cases by checking for presence of an associated open http request. + if let Some(request_state) = self.state.open_http_requests.get(&self_.rep()) { + let begin_idx = self + .state + .open_function_table + .get(&request_state.root_handle) + .ok_or_else(|| { + anyhow!( + "No matching BeginRemoteWrite index was found for the open HTTP request" + ) + })?; - let request_state = self - .state - .open_http_requests - .get(&self_.rep()) - .ok_or_else(|| { - anyhow!("No matching HTTP request is associated with resource handle") - })?; - let begin_idx = self - .state - .open_function_table - .get(&request_state.root_handle) - .ok_or_else(|| { - anyhow!("No matching BeginRemoteWrite index was found for the open HTTP request") - })?; - let request = request_state.request.clone(); - - let durability = Durability::< - Option>>, SerializableErrorCode>, ()>>, - SerializableError, - >::new( - self, - "golem http::types::future_trailers", - "get", - DurableFunctionType::WriteRemoteBatched(Some(*begin_idx)), - ) - .await?; - - if durability.is_live() { - let result = HostFutureTrailers::get(&mut self.as_wasi_http_view(), self_).await; - let to_serialize = match &result { - Ok(Some(Ok(Ok(None)))) => Ok(Some(Ok(Ok(None)))), - Ok(Some(Ok(Ok(Some(trailers))))) => { - let mut serialized_trailers = HashMap::new(); - let host_fields: &Resource = - unsafe { std::mem::transmute(trailers) }; - - for (key, value) in get_fields(self.table(), host_fields)? { - serialized_trailers - .insert(key.as_str().to_string(), value.as_bytes().to_vec()); + let request = request_state.request.clone(); + + let durability = Durability::< + Option>>, SerializableErrorCode>, ()>>, + SerializableError, + >::new( + self, + "golem http::types::future_trailers", + "get", + DurableFunctionType::WriteRemoteBatched(Some(*begin_idx)), + ) + .await?; + + if durability.is_live() { + let result = HostFutureTrailers::get(&mut self.as_wasi_http_view(), self_).await; + let to_serialize = match &result { + Ok(Some(Ok(Ok(None)))) => Ok(Some(Ok(Ok(None)))), + Ok(Some(Ok(Ok(Some(trailers))))) => { + let mut serialized_trailers = HashMap::new(); + let host_fields: &Resource = + unsafe { std::mem::transmute(trailers) }; + + for (key, value) in get_fields(self.table(), host_fields)? { + serialized_trailers + .insert(key.as_str().to_string(), value.as_bytes().to_vec()); + } + Ok(Some(Ok(Ok(Some(serialized_trailers))))) } - Ok(Some(Ok(Ok(Some(serialized_trailers))))) - } - Ok(Some(Ok(Err(error_code)))) => Ok(Some(Ok(Err(error_code.into())))), - Ok(Some(Err(_))) => Ok(Some(Err(()))), - Ok(None) => Ok(None), - Err(err) => Err(SerializableError::from(err)), - }; - let _ = durability - .persist_serializable(self, request, to_serialize) - .await; - result - } else { - let serialized = durability.replay(self).await; - match serialized { - Ok(Some(Ok(Ok(None)))) => Ok(Some(Ok(Ok(None)))), - Ok(Some(Ok(Ok(Some(serialized_trailers))))) => { - let mut fields = FieldMap::new(); - for (key, value) in serialized_trailers { - fields.insert(HeaderName::from_str(&key)?, HeaderValue::try_from(value)?); + Ok(Some(Ok(Err(error_code)))) => Ok(Some(Ok(Err(error_code.into())))), + Ok(Some(Err(_))) => Ok(Some(Err(()))), + Ok(None) => Ok(None), + Err(err) => Err(SerializableError::from(err)), + }; + let _ = durability + .persist_serializable(self, request, to_serialize) + .await; + result + } else { + let serialized = durability.replay(self).await; + match serialized { + Ok(Some(Ok(Ok(None)))) => Ok(Some(Ok(Ok(None)))), + Ok(Some(Ok(Ok(Some(serialized_trailers))))) => { + let mut fields = FieldMap::new(); + for (key, value) in serialized_trailers { + fields + .insert(HeaderName::from_str(&key)?, HeaderValue::try_from(value)?); + } + let hdrs = self + .table() + .push(wasmtime_wasi_http::types::HostFields::Owned { fields })?; + Ok(Some(Ok(Ok(Some(hdrs))))) } - let hdrs = self - .table() - .push(wasmtime_wasi_http::types::HostFields::Owned { fields })?; - Ok(Some(Ok(Ok(Some(hdrs))))) + Ok(Some(Ok(Err(error_code)))) => Ok(Some(Ok(Err(error_code.into())))), + Ok(Some(Err(_))) => Ok(Some(Err(()))), + Ok(None) => Ok(None), + Err(error) => Err(error), } - Ok(Some(Ok(Err(error_code)))) => Ok(Some(Ok(Err(error_code.into())))), - Ok(Some(Err(_))) => Ok(Some(Err(()))), - Ok(None) => Ok(None), - Err(error) => Err(error), } + } else { + self.observe_function_call("http::types::future_trailers", "get"); + HostFutureTrailers::get(&mut self.as_wasi_http_view(), self_).await } } diff --git a/golem-worker-executor-base/src/durable_host/io/streams.rs b/golem-worker-executor-base/src/durable_host/io/streams.rs index fe3b45de57..c4f4acb9f2 100644 --- a/golem-worker-executor-base/src/durable_host/io/streams.rs +++ b/golem-worker-executor-base/src/durable_host/io/streams.rs @@ -15,7 +15,7 @@ use anyhow::anyhow; use async_trait::async_trait; use wasmtime::component::Resource; -use wasmtime_wasi::{ResourceTable, StreamError}; +use wasmtime_wasi::StreamError; use crate::durable_host::http::end_http_request; use crate::durable_host::http::serialized::SerializableHttpRequest; @@ -38,8 +38,8 @@ impl HostInputStream for DurableWorkerCtx { self_: Resource, len: u64, ) -> Result, StreamError> { - if is_incoming_http_body_stream(self.table(), &self_) { - let handle = self_.rep(); + let handle = self_.rep(); + if is_incoming_http_body_stream(self, &self_) { let begin_idx = get_http_request_begin_idx(self, handle)?; let durability = Durability::, SerializableStreamError>::new( @@ -71,7 +71,7 @@ impl HostInputStream for DurableWorkerCtx { self_: Resource, len: u64, ) -> Result, StreamError> { - if is_incoming_http_body_stream(self.table(), &self_) { + if is_incoming_http_body_stream(self, &self_) { let handle = self_.rep(); let begin_idx = get_http_request_begin_idx(self, handle)?; @@ -100,7 +100,7 @@ impl HostInputStream for DurableWorkerCtx { } async fn skip(&mut self, self_: Resource, len: u64) -> Result { - if is_incoming_http_body_stream(self.table(), &self_) { + if is_incoming_http_body_stream(self, &self_) { let handle = self_.rep(); let begin_idx = get_http_request_begin_idx(self, handle)?; @@ -132,7 +132,7 @@ impl HostInputStream for DurableWorkerCtx { self_: Resource, len: u64, ) -> Result { - if is_incoming_http_body_stream(self.table(), &self_) { + if is_incoming_http_body_stream(self, &self_) { let handle = self_.rep(); let begin_idx = get_http_request_begin_idx(self, handle)?; @@ -168,7 +168,7 @@ impl HostInputStream for DurableWorkerCtx { async fn drop(&mut self, rep: Resource) -> anyhow::Result<()> { self.observe_function_call("io::streams::input_stream", "drop"); - if is_incoming_http_body_stream(self.table(), &rep) { + if is_incoming_http_body_stream(self, &rep) { let handle = rep.rep(); if let Some(state) = self.state.open_http_requests.get(&handle) { if state.close_owner == HttpRequestCloseOwner::InputStreamClosed { @@ -297,8 +297,17 @@ impl Host for DurableWorkerCtx { } } -fn is_incoming_http_body_stream(table: &ResourceTable, stream: &Resource) -> bool { - let stream = table.get::(stream).unwrap(); +fn is_incoming_http_body_stream( + ctx: &mut DurableWorkerCtx, + stream: &Resource, +) -> bool { + // incoming-body is used for both incoming http bodies (which don't need durability), + // and response bodies. Only in the second case will there be an associated open http request. + if !ctx.state.open_http_requests.contains_key(&stream.rep()) { + return false; + }; + + let stream = ctx.table().get::(stream).unwrap(); stream .as_any() .downcast_ref::() diff --git a/golem-worker-executor-base/src/invocation.rs b/golem-worker-executor-base/src/invocation.rs index 093abe65dc..977637bc69 100644 --- a/golem-worker-executor-base/src/invocation.rs +++ b/golem-worker-executor-base/src/invocation.rs @@ -451,6 +451,8 @@ async fn invoke_http_handler( ); } + tracing::debug!("Invoking wasi:http/incoming-http-handler handle"); + let (_, mut task_exits) = { let hyper_request = virtual_export_compat::http_incoming_handler::input_to_hyper_request(function_input)?; @@ -483,9 +485,18 @@ async fn invoke_http_handler( } }; - let res_or_error = match receiver.await { + let out = receiver.await; + + tracing::warn!("received response {:?}", out); + + let res_or_error = match out { Ok(Ok(resp)) => { - Ok(virtual_export_compat::http_incoming_handler::http_response_to_output(resp).await?) + let out = + virtual_export_compat::http_incoming_handler::http_response_to_output(resp).await; + + tracing::warn!("out: ${:?}", out); + + Ok(out?) } Ok(Err(e)) => Err(anyhow::Error::from(e)), Err(_) => { diff --git a/golem-worker-executor-base/src/virtual_export_compat/http_incoming_handler.rs b/golem-worker-executor-base/src/virtual_export_compat/http_incoming_handler.rs index a8cb20765e..197f3f31d4 100644 --- a/golem-worker-executor-base/src/virtual_export_compat/http_incoming_handler.rs +++ b/golem-worker-executor-base/src/virtual_export_compat/http_incoming_handler.rs @@ -27,7 +27,7 @@ pub fn input_to_hyper_request( inputs: &[Value], ) -> Result>, GolemError> { let request = IncomingHttpRequest::from_function_input(inputs).map_err(|e| { - GolemError::invalid_request(format!("Failed contructing incoming request: ${e}")) + GolemError::invalid_request(format!("Failed contructing incoming request: {e}")) })?; let mut builder = hyper::Request::builder() @@ -36,22 +36,24 @@ pub fn input_to_hyper_request( for (name, value) in request.headers.0 { let converted = http::HeaderValue::from_bytes(&value) - .map_err(|e| GolemError::invalid_request(format!("Invalid header value: ${e}")))?; + .map_err(|e| GolemError::invalid_request(format!("Invalid header value: {e}")))?; builder = builder.header(name, converted); } let body = if let Some(b) = request.body { + tracing::debug!("adding request body to wasi:http/incoming-request"); + let body = http_body_util::Full::new(b.content.0); let converted_trailers = if let Some(trailers) = b.trailers { let mut converted_trailers = http::HeaderMap::new(); for (name, value) in trailers.0.into_iter() { let header_name = HeaderName::from_bytes(name.as_bytes()).map_err(|e| { - GolemError::invalid_request(format!("Failed to convert header name ${e}")) + GolemError::invalid_request(format!("Failed to convert header name {e}")) })?; let header_value = HeaderValue::from_bytes(&value).map_err(|e| { - GolemError::invalid_request(format!("Failed to convert header value ${e}")) + GolemError::invalid_request(format!("Failed to convert header value {e}")) })?; converted_trailers.insert(header_name, header_value); @@ -69,7 +71,7 @@ pub fn input_to_hyper_request( builder .body(body) - .map_err(|e| GolemError::invalid_request(format!("Failed to attach body ${e}"))) + .map_err(|e| GolemError::invalid_request(format!("Failed to attach body {e}"))) } pub async fn http_response_to_output( @@ -77,16 +79,27 @@ pub async fn http_response_to_output( ) -> Result { use http_body_util::BodyExt; + tracing::debug!("Converting wasi:http/incoming-handler response to golem compatible value"); + let status = response.status().as_u16(); + + let converted_headers = { + let mut acc: Vec<(String, Bytes)> = Vec::new(); + for (name, value) in response.headers().into_iter() { + acc.push((name.to_string(), Bytes::copy_from_slice(value.as_bytes()))); + } + HttpFields(acc) + }; + let collected = response.into_body().collect().await.map_err(|e| { - GolemError::runtime(format!("Failed collection body of http response: ${e}")) + GolemError::runtime(format!("Failed collection body of http response: {e}")) })?; let trailers = collected.trailers().cloned(); let bytes = collected.to_bytes(); - let body = if !bytes.is_empty() { - let trailers = if let Some(hm) = trailers { + let converted_body = if !bytes.is_empty() || trailers.is_some() { + let converted_trailers = if let Some(hm) = trailers { let mut result = Vec::new(); let mut previous = None; for (name, value) in hm.into_iter() { @@ -107,15 +120,19 @@ pub async fn http_response_to_output( None }; - Some(HttpBody { + Some(HttpBodyAndTrailers { content: HttpBodyContent(bytes), - trailers, + trailers: converted_trailers, }) } else { None }; - let response = HttpResponse { status, body }; + let response = HttpResponse { + status, + headers: converted_headers, + body: converted_body, + }; Ok(response.to_value()) } diff --git a/golem-worker-executor-base/tests/wasi.rs b/golem-worker-executor-base/tests/wasi.rs index d19085eebe..9a8517ad7e 100644 --- a/golem-worker-executor-base/tests/wasi.rs +++ b/golem-worker-executor-base/tests/wasi.rs @@ -1852,7 +1852,7 @@ async fn ip_address_resolve( #[test] #[tracing::instrument] -async fn wasi_incoming_request_handler_compat( +async fn wasi_incoming_request_handler( last_unique_id: &LastUniqueId, deps: &WorkerExecutorTestDependencies, _tracing: &Tracing, @@ -1888,8 +1888,147 @@ async fn wasi_incoming_request_handler_compat( drop(executor); - println!("foobar"); + check!(result.len() == 1); + check!( + result[0] + == Value::Record(vec![ + Value::U16(200), + Value::List(vec![]), + Value::Option(None) + ]) + ); +} + +#[test] +#[tracing::instrument] +async fn wasi_incoming_request_handler_echo( + last_unique_id: &LastUniqueId, + deps: &WorkerExecutorTestDependencies, + _tracing: &Tracing, +) { + let context = TestContext::new(last_unique_id); + let executor = start(deps, &context).await.unwrap(); + + let component_id = executor + .store_component("wasi-http-incoming-request-handler-echo") + .await; + + let worker_id = executor + .start_worker(&component_id, "wasi-http-incoming-request-handler-echo-1") + .await; + + let args: Value = Value::Record(vec![ + Value::String("http://localhost:8000/foo?bar=baz".to_string()), + Value::Variant { + case_idx: 2, + case_value: None, + }, + Value::List(vec![Value::Tuple(vec![ + Value::String("test-header".to_string()), + Value::List( + "foobar" + .to_string() + .into_bytes() + .into_iter() + .map(Value::U8) + .collect(), + ), + ])]), + Value::Option(Some(Box::new(Value::Record(vec![ + Value::List( + "test-body" + .to_string() + .into_bytes() + .into_iter() + .map(Value::U8) + .collect(), + ), + Value::Option(Some(Box::new(Value::List(vec![Value::Tuple(vec![ + Value::String("test-trailer".to_string()), + Value::List( + "barfoo" + .to_string() + .into_bytes() + .into_iter() + .map(Value::U8) + .collect(), + ), + ])])))), + ])))), + ]); + + let result = executor + .invoke_and_await( + &worker_id, + "golem:http/incoming-handler.{handle}", + vec![args], + ) + .await + .unwrap(); + + drop(executor); check!(result.len() == 1); - // check!(result[0] == Value::Record(vec![Value::U16(200), Value::Option(None)])); + check!( + result[0] + == Value::Record(vec![ + Value::U16(200), + Value::List(vec![ + Value::Tuple(vec![ + Value::String("echo-test-header".to_string()), + Value::List( + "foobar" + .to_string() + .into_bytes() + .into_iter() + .map(Value::U8) + .collect() + ) + ]), + Value::Tuple(vec![ + Value::String("x-location".to_string()), + Value::List( + "http://localhost:8000/foo?bar=baz" + .to_string() + .into_bytes() + .into_iter() + .map(Value::U8) + .collect() + ) + ]), + Value::Tuple(vec![ + Value::String("x-method".to_string()), + Value::List( + "POST" + .to_string() + .into_bytes() + .into_iter() + .map(Value::U8) + .collect() + ) + ]) + ]), + Value::Option(Some(Box::new(Value::Record(vec![ + Value::List( + "test-body" + .to_string() + .into_bytes() + .into_iter() + .map(Value::U8) + .collect() + ), + Value::Option(Some(Box::new(Value::List(vec![Value::Tuple(vec![ + Value::String("echo-test-trailer".to_string()), + Value::List( + "barfoo" + .to_string() + .into_bytes() + .into_iter() + .map(Value::U8) + .collect() + ) + ])]),))) + ])))) + ]) + ); } diff --git a/test-components/wasi-http-incoming-request-handler-echo.wasm b/test-components/wasi-http-incoming-request-handler-echo.wasm new file mode 100644 index 0000000000000000000000000000000000000000..b36965f135490ad64ac82328432acbc2455f2b0f GIT binary patch literal 103873 zcmdqK3xHi$UGKlw-sd%Q&P-0)v`w3|-RCs4sbtzHkko*f9qA($5TSVaU-jRn$+VeA zXEKk3R)I`u!HR%Is}!kNpxjoZ+KVVvxf-!Rl>$|JwQ$jkf>0H;*Jtmw+WYzb*4q2* zbLLE%V!i)I(`4_x_Imu*@BRC&wbzOEEnPPjxv2iFZcn8WH4e?s&hEQiLVU{XzNO`f`9qV7`gMw<1LWsEHFxa<;2m(I?qJPL 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= "registry+https://github.com/rust-lang/crates.io-index" +checksum = "fc801b991c56492f87ab3086e786468f75c285a4d73017ab0ebc2fa1aed5d82c" +dependencies = [ + "bitflags", +] diff --git a/test-components/wasi-http-incoming-request-handler-echo/Cargo.toml b/test-components/wasi-http-incoming-request-handler-echo/Cargo.toml new file mode 100644 index 0000000000..c21935b55d --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/Cargo.toml @@ -0,0 +1,25 @@ +[package] +name = "wasi-http-incoming-request-handler-echo" +version = "0.1.0" +edition = "2021" +publish = false + +[lib] +path = "src/lib.rs" +crate-type = ["cdylib"] + +[dependencies] +wit-bindgen-rt = { version = "0.37.0", features = ["bitflags"] } + +[package.metadata.component] +package = "golem:handler" +proxy = true + +[package.metadata.component.target.dependencies] +"wasi:cli" = { path = "wit/deps/cli" } +"wasi:clocks" = { path = "wit/deps/clocks" } +"wasi:filesystem" = { path = "wit/deps/filesystem" } +"wasi:http" = { path = "wit/deps/http" } +"wasi:io" = { path = "wit/deps/io" } +"wasi:random" = { path = "wit/deps/random" } +"wasi:sockets" = { path = "wit/deps/sockets" } diff --git a/test-components/wasi-http-incoming-request-handler-echo/src/bindings.rs b/test-components/wasi-http-incoming-request-handler-echo/src/bindings.rs new file mode 100644 index 0000000000..b9a1d24912 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/src/bindings.rs @@ -0,0 +1,7502 @@ +#[allow(dead_code)] +pub mod wasi { + #[allow(dead_code)] + pub mod clocks { + #[allow(dead_code, clippy::all)] + pub mod monotonic_clock { + #[used] + #[doc(hidden)] + static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports; + use super::super::super::_rt; + pub type Pollable = super::super::super::wasi::io::poll::Pollable; + /// An instant in time, in nanoseconds. An instant is relative to an + /// unspecified initial value, and can only be compared to instances from + /// the same monotonic-clock. + pub type Instant = u64; + /// A duration of time, in nanoseconds. + pub type Duration = u64; + #[allow(unused_unsafe, clippy::all)] + /// Read the current value of the clock. + /// + /// The clock is monotonic, therefore calling this function repeatedly will + /// produce a sequence of non-decreasing values. + pub fn now() -> Instant { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:clocks/monotonic-clock@0.2.3")] + extern "C" { + #[link_name = "now"] + fn wit_import() -> i64; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import() -> i64 { + unreachable!() + } + let ret = wit_import(); + ret as u64 + } + } + #[allow(unused_unsafe, clippy::all)] + /// Query the resolution of the clock. Returns the duration of time + /// corresponding to a clock tick. + pub fn resolution() -> Duration { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:clocks/monotonic-clock@0.2.3")] + extern "C" { + #[link_name = "resolution"] + fn wit_import() -> i64; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import() -> i64 { + unreachable!() + } + let ret = wit_import(); + ret as u64 + } + } + #[allow(unused_unsafe, clippy::all)] + /// Create a `pollable` which will resolve once the specified instant + /// has occurred. + pub fn subscribe_instant(when: Instant) -> Pollable { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:clocks/monotonic-clock@0.2.3")] + extern "C" { + #[link_name = "subscribe-instant"] + fn wit_import(_: i64) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i64) -> i32 { + unreachable!() + } + let ret = wit_import(_rt::as_i64(when)); + super::super::super::wasi::io::poll::Pollable::from_handle( + ret as u32, + ) + } + } + #[allow(unused_unsafe, clippy::all)] + /// Create a `pollable` that will resolve after the specified duration has + /// elapsed from the time this function is invoked. + pub fn subscribe_duration(when: Duration) -> Pollable { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:clocks/monotonic-clock@0.2.3")] + extern "C" { + #[link_name = "subscribe-duration"] + fn wit_import(_: i64) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i64) -> i32 { + unreachable!() + } + let ret = wit_import(_rt::as_i64(when)); + super::super::super::wasi::io::poll::Pollable::from_handle( + ret as u32, + ) + } + } + } + } + #[allow(dead_code)] + pub mod http { + #[allow(dead_code, clippy::all)] + pub mod types { + #[used] + #[doc(hidden)] + static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports; + use super::super::super::_rt; + pub type Duration = super::super::super::wasi::clocks::monotonic_clock::Duration; + pub type InputStream = super::super::super::wasi::io::streams::InputStream; + pub type OutputStream = super::super::super::wasi::io::streams::OutputStream; + pub type IoError = super::super::super::wasi::io::error::Error; + pub type Pollable = super::super::super::wasi::io::poll::Pollable; + /// This type corresponds to HTTP standard Methods. + #[derive(Clone)] + pub enum Method { + Get, + Head, + Post, + Put, + Delete, + Connect, + Options, + Trace, + Patch, + Other(_rt::String), + } + impl ::core::fmt::Debug for Method { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + match self { + Method::Get => f.debug_tuple("Method::Get").finish(), + Method::Head => f.debug_tuple("Method::Head").finish(), + Method::Post => f.debug_tuple("Method::Post").finish(), + Method::Put => f.debug_tuple("Method::Put").finish(), + Method::Delete => f.debug_tuple("Method::Delete").finish(), + Method::Connect => f.debug_tuple("Method::Connect").finish(), + Method::Options => f.debug_tuple("Method::Options").finish(), + Method::Trace => f.debug_tuple("Method::Trace").finish(), + Method::Patch => f.debug_tuple("Method::Patch").finish(), + Method::Other(e) => { + f.debug_tuple("Method::Other").field(e).finish() + } + } + } + } + /// This type corresponds to HTTP standard Related Schemes. + #[derive(Clone)] + pub enum Scheme { + Http, + Https, + Other(_rt::String), + } + impl ::core::fmt::Debug for Scheme { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + match self { + Scheme::Http => f.debug_tuple("Scheme::Http").finish(), + Scheme::Https => f.debug_tuple("Scheme::Https").finish(), + Scheme::Other(e) => { + f.debug_tuple("Scheme::Other").field(e).finish() + } + } + } + } + /// Defines the case payload type for `DNS-error` above: + #[derive(Clone)] + pub struct DnsErrorPayload { + pub rcode: Option<_rt::String>, + pub info_code: Option, + } + impl ::core::fmt::Debug for DnsErrorPayload { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + f.debug_struct("DnsErrorPayload") + .field("rcode", &self.rcode) + .field("info-code", &self.info_code) + .finish() + } + } + /// Defines the case payload type for `TLS-alert-received` above: + #[derive(Clone)] + pub struct TlsAlertReceivedPayload { + pub alert_id: Option, + pub alert_message: Option<_rt::String>, + } + impl ::core::fmt::Debug for TlsAlertReceivedPayload { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + f.debug_struct("TlsAlertReceivedPayload") + .field("alert-id", &self.alert_id) + .field("alert-message", &self.alert_message) + .finish() + } + } + /// Defines the case payload type for `HTTP-response-{header,trailer}-size` above: + #[derive(Clone)] + pub struct FieldSizePayload { + pub field_name: Option<_rt::String>, + pub field_size: Option, + } + impl ::core::fmt::Debug for FieldSizePayload { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + f.debug_struct("FieldSizePayload") + .field("field-name", &self.field_name) + .field("field-size", &self.field_size) + .finish() + } + } + /// These cases are inspired by the IANA HTTP Proxy Error Types: + /// + #[derive(Clone)] + pub enum ErrorCode { + DnsTimeout, + DnsError(DnsErrorPayload), + DestinationNotFound, + DestinationUnavailable, + DestinationIpProhibited, + DestinationIpUnroutable, + ConnectionRefused, + ConnectionTerminated, + ConnectionTimeout, + ConnectionReadTimeout, + ConnectionWriteTimeout, + ConnectionLimitReached, + TlsProtocolError, + TlsCertificateError, + TlsAlertReceived(TlsAlertReceivedPayload), + HttpRequestDenied, + HttpRequestLengthRequired, + HttpRequestBodySize(Option), + HttpRequestMethodInvalid, + HttpRequestUriInvalid, + HttpRequestUriTooLong, + HttpRequestHeaderSectionSize(Option), + HttpRequestHeaderSize(Option), + HttpRequestTrailerSectionSize(Option), + HttpRequestTrailerSize(FieldSizePayload), + HttpResponseIncomplete, + HttpResponseHeaderSectionSize(Option), + HttpResponseHeaderSize(FieldSizePayload), + HttpResponseBodySize(Option), + HttpResponseTrailerSectionSize(Option), + HttpResponseTrailerSize(FieldSizePayload), + HttpResponseTransferCoding(Option<_rt::String>), + HttpResponseContentCoding(Option<_rt::String>), + HttpResponseTimeout, + HttpUpgradeFailed, + HttpProtocolError, + LoopDetected, + ConfigurationError, + /// This is a catch-all error for anything that doesn't fit cleanly into a + /// more specific case. It also includes an optional string for an + /// unstructured description of the error. Users should not depend on the + /// string for diagnosing errors, as it's not required to be consistent + /// between implementations. + InternalError(Option<_rt::String>), + } + impl ::core::fmt::Debug for ErrorCode { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + match self { + ErrorCode::DnsTimeout => { + f.debug_tuple("ErrorCode::DnsTimeout").finish() + } + ErrorCode::DnsError(e) => { + f.debug_tuple("ErrorCode::DnsError").field(e).finish() + } + ErrorCode::DestinationNotFound => { + f.debug_tuple("ErrorCode::DestinationNotFound").finish() + } + ErrorCode::DestinationUnavailable => { + f.debug_tuple("ErrorCode::DestinationUnavailable").finish() + } + ErrorCode::DestinationIpProhibited => { + f.debug_tuple("ErrorCode::DestinationIpProhibited").finish() + } + ErrorCode::DestinationIpUnroutable => { + f.debug_tuple("ErrorCode::DestinationIpUnroutable").finish() + } + ErrorCode::ConnectionRefused => { + f.debug_tuple("ErrorCode::ConnectionRefused").finish() + } + ErrorCode::ConnectionTerminated => { + f.debug_tuple("ErrorCode::ConnectionTerminated").finish() + } + ErrorCode::ConnectionTimeout => { + f.debug_tuple("ErrorCode::ConnectionTimeout").finish() + } + ErrorCode::ConnectionReadTimeout => { + f.debug_tuple("ErrorCode::ConnectionReadTimeout").finish() + } + ErrorCode::ConnectionWriteTimeout => { + f.debug_tuple("ErrorCode::ConnectionWriteTimeout").finish() + } + ErrorCode::ConnectionLimitReached => { + f.debug_tuple("ErrorCode::ConnectionLimitReached").finish() + } + ErrorCode::TlsProtocolError => { + f.debug_tuple("ErrorCode::TlsProtocolError").finish() + } + ErrorCode::TlsCertificateError => { + f.debug_tuple("ErrorCode::TlsCertificateError").finish() + } + ErrorCode::TlsAlertReceived(e) => { + f.debug_tuple("ErrorCode::TlsAlertReceived") + .field(e) + .finish() + } + ErrorCode::HttpRequestDenied => { + f.debug_tuple("ErrorCode::HttpRequestDenied").finish() + } + ErrorCode::HttpRequestLengthRequired => { + f.debug_tuple("ErrorCode::HttpRequestLengthRequired") + .finish() + } + ErrorCode::HttpRequestBodySize(e) => { + f.debug_tuple("ErrorCode::HttpRequestBodySize") + .field(e) + .finish() + } + ErrorCode::HttpRequestMethodInvalid => { + f.debug_tuple("ErrorCode::HttpRequestMethodInvalid").finish() + } + ErrorCode::HttpRequestUriInvalid => { + f.debug_tuple("ErrorCode::HttpRequestUriInvalid").finish() + } + ErrorCode::HttpRequestUriTooLong => { + f.debug_tuple("ErrorCode::HttpRequestUriTooLong").finish() + } + ErrorCode::HttpRequestHeaderSectionSize(e) => { + f.debug_tuple("ErrorCode::HttpRequestHeaderSectionSize") + .field(e) + .finish() + } + ErrorCode::HttpRequestHeaderSize(e) => { + f.debug_tuple("ErrorCode::HttpRequestHeaderSize") + .field(e) + .finish() + } + ErrorCode::HttpRequestTrailerSectionSize(e) => { + f.debug_tuple("ErrorCode::HttpRequestTrailerSectionSize") + .field(e) + .finish() + } + ErrorCode::HttpRequestTrailerSize(e) => { + f.debug_tuple("ErrorCode::HttpRequestTrailerSize") + .field(e) + .finish() + } + ErrorCode::HttpResponseIncomplete => { + f.debug_tuple("ErrorCode::HttpResponseIncomplete").finish() + } + ErrorCode::HttpResponseHeaderSectionSize(e) => { + f.debug_tuple("ErrorCode::HttpResponseHeaderSectionSize") + .field(e) + .finish() + } + ErrorCode::HttpResponseHeaderSize(e) => { + f.debug_tuple("ErrorCode::HttpResponseHeaderSize") + .field(e) + .finish() + } + ErrorCode::HttpResponseBodySize(e) => { + f.debug_tuple("ErrorCode::HttpResponseBodySize") + .field(e) + .finish() + } + ErrorCode::HttpResponseTrailerSectionSize(e) => { + f.debug_tuple("ErrorCode::HttpResponseTrailerSectionSize") + .field(e) + .finish() + } + ErrorCode::HttpResponseTrailerSize(e) => { + f.debug_tuple("ErrorCode::HttpResponseTrailerSize") + .field(e) + .finish() + } + ErrorCode::HttpResponseTransferCoding(e) => { + f.debug_tuple("ErrorCode::HttpResponseTransferCoding") + .field(e) + .finish() + } + ErrorCode::HttpResponseContentCoding(e) => { + f.debug_tuple("ErrorCode::HttpResponseContentCoding") + .field(e) + .finish() + } + ErrorCode::HttpResponseTimeout => { + f.debug_tuple("ErrorCode::HttpResponseTimeout").finish() + } + ErrorCode::HttpUpgradeFailed => { + f.debug_tuple("ErrorCode::HttpUpgradeFailed").finish() + } + ErrorCode::HttpProtocolError => { + f.debug_tuple("ErrorCode::HttpProtocolError").finish() + } + ErrorCode::LoopDetected => { + f.debug_tuple("ErrorCode::LoopDetected").finish() + } + ErrorCode::ConfigurationError => { + f.debug_tuple("ErrorCode::ConfigurationError").finish() + } + ErrorCode::InternalError(e) => { + f.debug_tuple("ErrorCode::InternalError").field(e).finish() + } + } + } + } + impl ::core::fmt::Display for ErrorCode { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + write!(f, "{:?}", self) + } + } + impl std::error::Error for ErrorCode {} + /// This type enumerates the different kinds of errors that may occur when + /// setting or appending to a `fields` resource. + #[derive(Clone, Copy)] + pub enum HeaderError { + /// This error indicates that a `field-name` or `field-value` was + /// syntactically invalid when used with an operation that sets headers in a + /// `fields`. + InvalidSyntax, + /// This error indicates that a forbidden `field-name` was used when trying + /// to set a header in a `fields`. + Forbidden, + /// This error indicates that the operation on the `fields` was not + /// permitted because the fields are immutable. + Immutable, + } + impl ::core::fmt::Debug for HeaderError { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + match self { + HeaderError::InvalidSyntax => { + f.debug_tuple("HeaderError::InvalidSyntax").finish() + } + HeaderError::Forbidden => { + f.debug_tuple("HeaderError::Forbidden").finish() + } + HeaderError::Immutable => { + f.debug_tuple("HeaderError::Immutable").finish() + } + } + } + } + impl ::core::fmt::Display for HeaderError { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + write!(f, "{:?}", self) + } + } + impl std::error::Error for HeaderError {} + /// Field keys are always strings. + /// + /// Field keys should always be treated as case insensitive by the `fields` + /// resource for the purposes of equality checking. + /// + /// # Deprecation + /// + /// This type has been deprecated in favor of the `field-name` type. + pub type FieldKey = _rt::String; + /// Field names are always strings. + /// + /// Field names should always be treated as case insensitive by the `fields` + /// resource for the purposes of equality checking. + pub type FieldName = FieldKey; + /// Field values should always be ASCII strings. However, in + /// reality, HTTP implementations often have to interpret malformed values, + /// so they are provided as a list of bytes. + pub type FieldValue = _rt::Vec; + /// This following block defines the `fields` resource which corresponds to + /// HTTP standard Fields. Fields are a common representation used for both + /// Headers and Trailers. + /// + /// A `fields` may be mutable or immutable. A `fields` created using the + /// constructor, `from-list`, or `clone` will be mutable, but a `fields` + /// resource given by other means (including, but not limited to, + /// `incoming-request.headers`, `outgoing-request.headers`) might be be + /// immutable. In an immutable fields, the `set`, `append`, and `delete` + /// operations will fail with `header-error.immutable`. + #[derive(Debug)] + #[repr(transparent)] + pub struct Fields { + handle: _rt::Resource, + } + impl Fields { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for Fields { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]fields"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// Headers is an alias for Fields. + pub type Headers = Fields; + /// Trailers is an alias for Fields. + pub type Trailers = Fields; + /// Represents an incoming HTTP Request. + #[derive(Debug)] + #[repr(transparent)] + pub struct IncomingRequest { + handle: _rt::Resource, + } + impl IncomingRequest { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for IncomingRequest { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]incoming-request"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// Represents an outgoing HTTP Request. + #[derive(Debug)] + #[repr(transparent)] + pub struct OutgoingRequest { + handle: _rt::Resource, + } + impl OutgoingRequest { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for OutgoingRequest { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]outgoing-request"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// Parameters for making an HTTP Request. Each of these parameters is + /// currently an optional timeout applicable to the transport layer of the + /// HTTP protocol. + /// + /// These timeouts are separate from any the user may use to bound a + /// blocking call to `wasi:io/poll.poll`. + #[derive(Debug)] + #[repr(transparent)] + pub struct RequestOptions { + handle: _rt::Resource, + } + impl RequestOptions { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for RequestOptions { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]request-options"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// Represents the ability to send an HTTP Response. + /// + /// This resource is used by the `wasi:http/incoming-handler` interface to + /// allow a Response to be sent corresponding to the Request provided as the + /// other argument to `incoming-handler.handle`. + #[derive(Debug)] + #[repr(transparent)] + pub struct ResponseOutparam { + handle: _rt::Resource, + } + impl ResponseOutparam { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for ResponseOutparam { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]response-outparam"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// This type corresponds to the HTTP standard Status Code. + pub type StatusCode = u16; + /// Represents an incoming HTTP Response. + #[derive(Debug)] + #[repr(transparent)] + pub struct IncomingResponse { + handle: _rt::Resource, + } + impl IncomingResponse { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for IncomingResponse { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]incoming-response"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// Represents an incoming HTTP Request or Response's Body. + /// + /// A body has both its contents - a stream of bytes - and a (possibly + /// empty) set of trailers, indicating that the full contents of the + /// body have been received. This resource represents the contents as + /// an `input-stream` and the delivery of trailers as a `future-trailers`, + /// and ensures that the user of this interface may only be consuming either + /// the body contents or waiting on trailers at any given time. + #[derive(Debug)] + #[repr(transparent)] + pub struct IncomingBody { + handle: _rt::Resource, + } + impl IncomingBody { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for IncomingBody { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]incoming-body"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// Represents a future which may eventually return trailers, or an error. + /// + /// In the case that the incoming HTTP Request or Response did not have any + /// trailers, this future will resolve to the empty set of trailers once the + /// complete Request or Response body has been received. + #[derive(Debug)] + #[repr(transparent)] + pub struct FutureTrailers { + handle: _rt::Resource, + } + impl FutureTrailers { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for FutureTrailers { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]future-trailers"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// Represents an outgoing HTTP Response. + #[derive(Debug)] + #[repr(transparent)] + pub struct OutgoingResponse { + handle: _rt::Resource, + } + impl OutgoingResponse { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for OutgoingResponse { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]outgoing-response"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// Represents an outgoing HTTP Request or Response's Body. + /// + /// A body has both its contents - a stream of bytes - and a (possibly + /// empty) set of trailers, inducating the full contents of the body + /// have been sent. This resource represents the contents as an + /// `output-stream` child resource, and the completion of the body (with + /// optional trailers) with a static function that consumes the + /// `outgoing-body` resource, and ensures that the user of this interface + /// may not write to the body contents after the body has been finished. + /// + /// If the user code drops this resource, as opposed to calling the static + /// method `finish`, the implementation should treat the body as incomplete, + /// and that an error has occurred. The implementation should propagate this + /// error to the HTTP protocol by whatever means it has available, + /// including: corrupting the body on the wire, aborting the associated + /// Request, or sending a late status code for the Response. + #[derive(Debug)] + #[repr(transparent)] + pub struct OutgoingBody { + handle: _rt::Resource, + } + impl OutgoingBody { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for OutgoingBody { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]outgoing-body"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// Represents a future which may eventually return an incoming HTTP + /// Response, or an error. + /// + /// This resource is returned by the `wasi:http/outgoing-handler` interface to + /// provide the HTTP Response corresponding to the sent Request. + #[derive(Debug)] + #[repr(transparent)] + pub struct FutureIncomingResponse { + handle: _rt::Resource, + } + impl FutureIncomingResponse { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for FutureIncomingResponse { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]future-incoming-response"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + #[allow(unused_unsafe, clippy::all)] + /// Attempts to extract a http-related `error` from the wasi:io `error` + /// provided. + /// + /// Stream operations which return + /// `wasi:io/stream/stream-error::last-operation-failed` have a payload of + /// type `wasi:io/error/error` with more information about the operation + /// that failed. This payload can be passed through to this function to see + /// if there's http-related information about the error to return. + /// + /// Note that this function is fallible because not all io-errors are + /// http-related errors. + pub fn http_error_code(err: &IoError) -> Option { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 40]); + let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 40]); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "http-error-code"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((err).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = i32::from(*ptr0.add(8).cast::()); + let v64 = match l2 { + 0 => ErrorCode::DnsTimeout, + 1 => { + let e64 = { + let l3 = i32::from(*ptr0.add(16).cast::()); + let l7 = i32::from(*ptr0.add(28).cast::()); + DnsErrorPayload { + rcode: match l3 { + 0 => None, + 1 => { + let e = { + let l4 = *ptr0.add(20).cast::<*mut u8>(); + let l5 = *ptr0.add(24).cast::(); + let len6 = l5; + let bytes6 = _rt::Vec::from_raw_parts( + l4.cast(), + len6, + len6, + ); + _rt::string_lift(bytes6) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + info_code: match l7 { + 0 => None, + 1 => { + let e = { + let l8 = i32::from(*ptr0.add(30).cast::()); + l8 as u16 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::DnsError(e64) + } + 2 => ErrorCode::DestinationNotFound, + 3 => ErrorCode::DestinationUnavailable, + 4 => ErrorCode::DestinationIpProhibited, + 5 => ErrorCode::DestinationIpUnroutable, + 6 => ErrorCode::ConnectionRefused, + 7 => ErrorCode::ConnectionTerminated, + 8 => ErrorCode::ConnectionTimeout, + 9 => ErrorCode::ConnectionReadTimeout, + 10 => ErrorCode::ConnectionWriteTimeout, + 11 => ErrorCode::ConnectionLimitReached, + 12 => ErrorCode::TlsProtocolError, + 13 => ErrorCode::TlsCertificateError, + 14 => { + let e64 = { + let l9 = i32::from(*ptr0.add(16).cast::()); + let l11 = i32::from(*ptr0.add(20).cast::()); + TlsAlertReceivedPayload { + alert_id: match l9 { + 0 => None, + 1 => { + let e = { + let l10 = i32::from(*ptr0.add(17).cast::()); + l10 as u8 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + alert_message: match l11 { + 0 => None, + 1 => { + let e = { + let l12 = *ptr0.add(24).cast::<*mut u8>(); + let l13 = *ptr0.add(28).cast::(); + let len14 = l13; + let bytes14 = _rt::Vec::from_raw_parts( + l12.cast(), + len14, + len14, + ); + _rt::string_lift(bytes14) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::TlsAlertReceived(e64) + } + 15 => ErrorCode::HttpRequestDenied, + 16 => ErrorCode::HttpRequestLengthRequired, + 17 => { + let e64 = { + let l15 = i32::from(*ptr0.add(16).cast::()); + match l15 { + 0 => None, + 1 => { + let e = { + let l16 = *ptr0.add(24).cast::(); + l16 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestBodySize(e64) + } + 18 => ErrorCode::HttpRequestMethodInvalid, + 19 => ErrorCode::HttpRequestUriInvalid, + 20 => ErrorCode::HttpRequestUriTooLong, + 21 => { + let e64 = { + let l17 = i32::from(*ptr0.add(16).cast::()); + match l17 { + 0 => None, + 1 => { + let e = { + let l18 = *ptr0.add(20).cast::(); + l18 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestHeaderSectionSize(e64) + } + 22 => { + let e64 = { + let l19 = i32::from(*ptr0.add(16).cast::()); + match l19 { + 0 => None, + 1 => { + let e = { + let l20 = i32::from(*ptr0.add(20).cast::()); + let l24 = i32::from(*ptr0.add(32).cast::()); + FieldSizePayload { + field_name: match l20 { + 0 => None, + 1 => { + let e = { + let l21 = *ptr0.add(24).cast::<*mut u8>(); + let l22 = *ptr0.add(28).cast::(); + let len23 = l22; + let bytes23 = _rt::Vec::from_raw_parts( + l21.cast(), + len23, + len23, + ); + _rt::string_lift(bytes23) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l24 { + 0 => None, + 1 => { + let e = { + let l25 = *ptr0.add(36).cast::(); + l25 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestHeaderSize(e64) + } + 23 => { + let e64 = { + let l26 = i32::from(*ptr0.add(16).cast::()); + match l26 { + 0 => None, + 1 => { + let e = { + let l27 = *ptr0.add(20).cast::(); + l27 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestTrailerSectionSize(e64) + } + 24 => { + let e64 = { + let l28 = i32::from(*ptr0.add(16).cast::()); + let l32 = i32::from(*ptr0.add(28).cast::()); + FieldSizePayload { + field_name: match l28 { + 0 => None, + 1 => { + let e = { + let l29 = *ptr0.add(20).cast::<*mut u8>(); + let l30 = *ptr0.add(24).cast::(); + let len31 = l30; + let bytes31 = _rt::Vec::from_raw_parts( + l29.cast(), + len31, + len31, + ); + _rt::string_lift(bytes31) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l32 { + 0 => None, + 1 => { + let e = { + let l33 = *ptr0.add(32).cast::(); + l33 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpRequestTrailerSize(e64) + } + 25 => ErrorCode::HttpResponseIncomplete, + 26 => { + let e64 = { + let l34 = i32::from(*ptr0.add(16).cast::()); + match l34 { + 0 => None, + 1 => { + let e = { + let l35 = *ptr0.add(20).cast::(); + l35 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseHeaderSectionSize(e64) + } + 27 => { + let e64 = { + let l36 = i32::from(*ptr0.add(16).cast::()); + let l40 = i32::from(*ptr0.add(28).cast::()); + FieldSizePayload { + field_name: match l36 { + 0 => None, + 1 => { + let e = { + let l37 = *ptr0.add(20).cast::<*mut u8>(); + let l38 = *ptr0.add(24).cast::(); + let len39 = l38; + let bytes39 = _rt::Vec::from_raw_parts( + l37.cast(), + len39, + len39, + ); + _rt::string_lift(bytes39) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l40 { + 0 => None, + 1 => { + let e = { + let l41 = *ptr0.add(32).cast::(); + l41 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpResponseHeaderSize(e64) + } + 28 => { + let e64 = { + let l42 = i32::from(*ptr0.add(16).cast::()); + match l42 { + 0 => None, + 1 => { + let e = { + let l43 = *ptr0.add(24).cast::(); + l43 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseBodySize(e64) + } + 29 => { + let e64 = { + let l44 = i32::from(*ptr0.add(16).cast::()); + match l44 { + 0 => None, + 1 => { + let e = { + let l45 = *ptr0.add(20).cast::(); + l45 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseTrailerSectionSize(e64) + } + 30 => { + let e64 = { + let l46 = i32::from(*ptr0.add(16).cast::()); + let l50 = i32::from(*ptr0.add(28).cast::()); + FieldSizePayload { + field_name: match l46 { + 0 => None, + 1 => { + let e = { + let l47 = *ptr0.add(20).cast::<*mut u8>(); + let l48 = *ptr0.add(24).cast::(); + let len49 = l48; + let bytes49 = _rt::Vec::from_raw_parts( + l47.cast(), + len49, + len49, + ); + _rt::string_lift(bytes49) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l50 { + 0 => None, + 1 => { + let e = { + let l51 = *ptr0.add(32).cast::(); + l51 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpResponseTrailerSize(e64) + } + 31 => { + let e64 = { + let l52 = i32::from(*ptr0.add(16).cast::()); + match l52 { + 0 => None, + 1 => { + let e = { + let l53 = *ptr0.add(20).cast::<*mut u8>(); + let l54 = *ptr0.add(24).cast::(); + let len55 = l54; + let bytes55 = _rt::Vec::from_raw_parts( + l53.cast(), + len55, + len55, + ); + _rt::string_lift(bytes55) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseTransferCoding(e64) + } + 32 => { + let e64 = { + let l56 = i32::from(*ptr0.add(16).cast::()); + match l56 { + 0 => None, + 1 => { + let e = { + let l57 = *ptr0.add(20).cast::<*mut u8>(); + let l58 = *ptr0.add(24).cast::(); + let len59 = l58; + let bytes59 = _rt::Vec::from_raw_parts( + l57.cast(), + len59, + len59, + ); + _rt::string_lift(bytes59) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseContentCoding(e64) + } + 33 => ErrorCode::HttpResponseTimeout, + 34 => ErrorCode::HttpUpgradeFailed, + 35 => ErrorCode::HttpProtocolError, + 36 => ErrorCode::LoopDetected, + 37 => ErrorCode::ConfigurationError, + n => { + debug_assert_eq!(n, 38, "invalid enum discriminant"); + let e64 = { + let l60 = i32::from(*ptr0.add(16).cast::()); + match l60 { + 0 => None, + 1 => { + let e = { + let l61 = *ptr0.add(20).cast::<*mut u8>(); + let l62 = *ptr0.add(24).cast::(); + let len63 = l62; + let bytes63 = _rt::Vec::from_raw_parts( + l61.cast(), + len63, + len63, + ); + _rt::string_lift(bytes63) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::InternalError(e64) + } + }; + v64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + impl Fields { + #[allow(unused_unsafe, clippy::all)] + /// Construct an empty HTTP Fields. + /// + /// The resulting `fields` is mutable. + pub fn new() -> Self { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[constructor]fields"] + fn wit_import() -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import() -> i32 { + unreachable!() + } + let ret = wit_import(); + Fields::from_handle(ret as u32) + } + } + } + impl Fields { + #[allow(unused_unsafe, clippy::all)] + /// Construct an HTTP Fields. + /// + /// The resulting `fields` is mutable. + /// + /// The list represents each name-value pair in the Fields. Names + /// which have multiple values are represented by multiple entries in this + /// list with the same name. + /// + /// The tuple is a pair of the field name, represented as a string, and + /// Value, represented as a list of bytes. + /// + /// An error result will be returned if any `field-name` or `field-value` is + /// syntactically invalid, or if a field is forbidden. + pub fn from_list( + entries: &[(FieldName, FieldValue)], + ) -> Result { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let vec3 = entries; + let len3 = vec3.len(); + let layout3 = _rt::alloc::Layout::from_size_align_unchecked( + vec3.len() * 16, + 4, + ); + let result3 = if layout3.size() != 0 { + let ptr = _rt::alloc::alloc(layout3).cast::(); + if ptr.is_null() { + _rt::alloc::handle_alloc_error(layout3); + } + ptr + } else { + ::core::ptr::null_mut() + }; + for (i, e) in vec3.into_iter().enumerate() { + let base = result3.add(i * 16); + { + let (t0_0, t0_1) = e; + let vec1 = t0_0; + let ptr1 = vec1.as_ptr().cast::(); + let len1 = vec1.len(); + *base.add(4).cast::() = len1; + *base.add(0).cast::<*mut u8>() = ptr1.cast_mut(); + let vec2 = t0_1; + let ptr2 = vec2.as_ptr().cast::(); + let len2 = vec2.len(); + *base.add(12).cast::() = len2; + *base.add(8).cast::<*mut u8>() = ptr2.cast_mut(); + } + } + let ptr4 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[static]fields.from-list"] + fn wit_import(_: *mut u8, _: usize, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: *mut u8, _: usize, _: *mut u8) { + unreachable!() + } + wit_import(result3, len3, ptr4); + let l5 = i32::from(*ptr4.add(0).cast::()); + if layout3.size() != 0 { + _rt::alloc::dealloc(result3.cast(), layout3); + } + match l5 { + 0 => { + let e = { + let l6 = *ptr4.add(4).cast::(); + Fields::from_handle(l6 as u32) + }; + Ok(e) + } + 1 => { + let e = { + let l7 = i32::from(*ptr4.add(4).cast::()); + let v8 = match l7 { + 0 => HeaderError::InvalidSyntax, + 1 => HeaderError::Forbidden, + n => { + debug_assert_eq!(n, 2, "invalid enum discriminant"); + HeaderError::Immutable + } + }; + v8 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl Fields { + #[allow(unused_unsafe, clippy::all)] + /// Get all of the values corresponding to a name. If the name is not present + /// in this `fields` or is syntactically invalid, an empty list is returned. + /// However, if the name is present but empty, this is represented by a list + /// with one or more empty field-values present. + pub fn get(&self, name: &FieldName) -> _rt::Vec { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let vec0 = name; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + let ptr1 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]fields.get"] + fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0.cast_mut(), len0, ptr1); + let l2 = *ptr1.add(0).cast::<*mut u8>(); + let l3 = *ptr1.add(4).cast::(); + let base7 = l2; + let len7 = l3; + let mut result7 = _rt::Vec::with_capacity(len7); + for i in 0..len7 { + let base = base7.add(i * 8); + let e7 = { + let l4 = *base.add(0).cast::<*mut u8>(); + let l5 = *base.add(4).cast::(); + let len6 = l5; + _rt::Vec::from_raw_parts(l4.cast(), len6, len6) + }; + result7.push(e7); + } + _rt::cabi_dealloc(base7, len7 * 8, 4); + result7 + } + } + } + impl Fields { + #[allow(unused_unsafe, clippy::all)] + /// Returns `true` when the name is present in this `fields`. If the name is + /// syntactically invalid, `false` is returned. + pub fn has(&self, name: &FieldName) -> bool { + unsafe { + let vec0 = name; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]fields.has"] + fn wit_import(_: i32, _: *mut u8, _: usize) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8, _: usize) -> i32 { + unreachable!() + } + let ret = wit_import( + (self).handle() as i32, + ptr0.cast_mut(), + len0, + ); + _rt::bool_lift(ret as u8) + } + } + } + impl Fields { + #[allow(unused_unsafe, clippy::all)] + /// Set all of the values for a name. Clears any existing values for that + /// name, if they have been set. + /// + /// Fails with `header-error.immutable` if the `fields` are immutable. + /// + /// Fails with `header-error.invalid-syntax` if the `field-name` or any of + /// the `field-value`s are syntactically invalid. + pub fn set( + &self, + name: &FieldName, + value: &[FieldValue], + ) -> Result<(), HeaderError> { + unsafe { + #[repr(align(1))] + struct RetArea([::core::mem::MaybeUninit; 2]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 2], + ); + let vec0 = name; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + let vec2 = value; + let len2 = vec2.len(); + let layout2 = _rt::alloc::Layout::from_size_align_unchecked( + vec2.len() * 8, + 4, + ); + let result2 = if layout2.size() != 0 { + let ptr = _rt::alloc::alloc(layout2).cast::(); + if ptr.is_null() { + _rt::alloc::handle_alloc_error(layout2); + } + ptr + } else { + ::core::ptr::null_mut() + }; + for (i, e) in vec2.into_iter().enumerate() { + let base = result2.add(i * 8); + { + let vec1 = e; + let ptr1 = vec1.as_ptr().cast::(); + let len1 = vec1.len(); + *base.add(4).cast::() = len1; + *base.add(0).cast::<*mut u8>() = ptr1.cast_mut(); + } + } + let ptr3 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]fields.set"] + fn wit_import( + _: i32, + _: *mut u8, + _: usize, + _: *mut u8, + _: usize, + _: *mut u8, + ); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import( + _: i32, + _: *mut u8, + _: usize, + _: *mut u8, + _: usize, + _: *mut u8, + ) { + unreachable!() + } + wit_import( + (self).handle() as i32, + ptr0.cast_mut(), + len0, + result2, + len2, + ptr3, + ); + let l4 = i32::from(*ptr3.add(0).cast::()); + if layout2.size() != 0 { + _rt::alloc::dealloc(result2.cast(), layout2); + } + match l4 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l5 = i32::from(*ptr3.add(1).cast::()); + let v6 = match l5 { + 0 => HeaderError::InvalidSyntax, + 1 => HeaderError::Forbidden, + n => { + debug_assert_eq!(n, 2, "invalid enum discriminant"); + HeaderError::Immutable + } + }; + v6 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl Fields { + #[allow(unused_unsafe, clippy::all)] + /// Delete all values for a name. Does nothing if no values for the name + /// exist. + /// + /// Fails with `header-error.immutable` if the `fields` are immutable. + /// + /// Fails with `header-error.invalid-syntax` if the `field-name` is + /// syntactically invalid. + pub fn delete(&self, name: &FieldName) -> Result<(), HeaderError> { + unsafe { + #[repr(align(1))] + struct RetArea([::core::mem::MaybeUninit; 2]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 2], + ); + let vec0 = name; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + let ptr1 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]fields.delete"] + fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0.cast_mut(), len0, ptr1); + let l2 = i32::from(*ptr1.add(0).cast::()); + match l2 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l3 = i32::from(*ptr1.add(1).cast::()); + let v4 = match l3 { + 0 => HeaderError::InvalidSyntax, + 1 => HeaderError::Forbidden, + n => { + debug_assert_eq!(n, 2, "invalid enum discriminant"); + HeaderError::Immutable + } + }; + v4 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl Fields { + #[allow(unused_unsafe, clippy::all)] + /// Append a value for a name. Does not change or delete any existing + /// values for that name. + /// + /// Fails with `header-error.immutable` if the `fields` are immutable. + /// + /// Fails with `header-error.invalid-syntax` if the `field-name` or + /// `field-value` are syntactically invalid. + pub fn append( + &self, + name: &FieldName, + value: &FieldValue, + ) -> Result<(), HeaderError> { + unsafe { + #[repr(align(1))] + struct RetArea([::core::mem::MaybeUninit; 2]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 2], + ); + let vec0 = name; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + let vec1 = value; + let ptr1 = vec1.as_ptr().cast::(); + let len1 = vec1.len(); + let ptr2 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]fields.append"] + fn wit_import( + _: i32, + _: *mut u8, + _: usize, + _: *mut u8, + _: usize, + _: *mut u8, + ); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import( + _: i32, + _: *mut u8, + _: usize, + _: *mut u8, + _: usize, + _: *mut u8, + ) { + unreachable!() + } + wit_import( + (self).handle() as i32, + ptr0.cast_mut(), + len0, + ptr1.cast_mut(), + len1, + ptr2, + ); + let l3 = i32::from(*ptr2.add(0).cast::()); + match l3 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l4 = i32::from(*ptr2.add(1).cast::()); + let v5 = match l4 { + 0 => HeaderError::InvalidSyntax, + 1 => HeaderError::Forbidden, + n => { + debug_assert_eq!(n, 2, "invalid enum discriminant"); + HeaderError::Immutable + } + }; + v5 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl Fields { + #[allow(unused_unsafe, clippy::all)] + /// Retrieve the full set of names and values in the Fields. Like the + /// constructor, the list represents each name-value pair. + /// + /// The outer list represents each name-value pair in the Fields. Names + /// which have multiple values are represented by multiple entries in this + /// list with the same name. + /// + /// The names and values are always returned in the original casing and in + /// the order in which they will be serialized for transport. + pub fn entries(&self) -> _rt::Vec<(FieldName, FieldValue)> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]fields.entries"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = *ptr0.add(0).cast::<*mut u8>(); + let l2 = *ptr0.add(4).cast::(); + let base9 = l1; + let len9 = l2; + let mut result9 = _rt::Vec::with_capacity(len9); + for i in 0..len9 { + let base = base9.add(i * 16); + let e9 = { + let l3 = *base.add(0).cast::<*mut u8>(); + let l4 = *base.add(4).cast::(); + let len5 = l4; + let bytes5 = _rt::Vec::from_raw_parts( + l3.cast(), + len5, + len5, + ); + let l6 = *base.add(8).cast::<*mut u8>(); + let l7 = *base.add(12).cast::(); + let len8 = l7; + ( + _rt::string_lift(bytes5), + _rt::Vec::from_raw_parts(l6.cast(), len8, len8), + ) + }; + result9.push(e9); + } + _rt::cabi_dealloc(base9, len9 * 16, 4); + result9 + } + } + } + impl Fields { + #[allow(unused_unsafe, clippy::all)] + /// Make a deep copy of the Fields. Equivalent in behavior to calling the + /// `fields` constructor on the return value of `entries`. The resulting + /// `fields` is mutable. + pub fn clone(&self) -> Fields { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]fields.clone"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + Fields::from_handle(ret as u32) + } + } + } + impl IncomingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Returns the method of the incoming request. + pub fn method(&self) -> Method { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-request.method"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + let v5 = match l1 { + 0 => Method::Get, + 1 => Method::Head, + 2 => Method::Post, + 3 => Method::Put, + 4 => Method::Delete, + 5 => Method::Connect, + 6 => Method::Options, + 7 => Method::Trace, + 8 => Method::Patch, + n => { + debug_assert_eq!(n, 9, "invalid enum discriminant"); + let e5 = { + let l2 = *ptr0.add(4).cast::<*mut u8>(); + let l3 = *ptr0.add(8).cast::(); + let len4 = l3; + let bytes4 = _rt::Vec::from_raw_parts( + l2.cast(), + len4, + len4, + ); + _rt::string_lift(bytes4) + }; + Method::Other(e5) + } + }; + v5 + } + } + } + impl IncomingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Returns the path with query parameters from the request, as a string. + pub fn path_with_query(&self) -> Option<_rt::String> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-request.path-with-query"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = *ptr0.add(4).cast::<*mut u8>(); + let l3 = *ptr0.add(8).cast::(); + let len4 = l3; + let bytes4 = _rt::Vec::from_raw_parts( + l2.cast(), + len4, + len4, + ); + _rt::string_lift(bytes4) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl IncomingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Returns the protocol scheme from the request. + pub fn scheme(&self) -> Option { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-request.scheme"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = i32::from(*ptr0.add(4).cast::()); + let v6 = match l2 { + 0 => Scheme::Http, + 1 => Scheme::Https, + n => { + debug_assert_eq!(n, 2, "invalid enum discriminant"); + let e6 = { + let l3 = *ptr0.add(8).cast::<*mut u8>(); + let l4 = *ptr0.add(12).cast::(); + let len5 = l4; + let bytes5 = _rt::Vec::from_raw_parts( + l3.cast(), + len5, + len5, + ); + _rt::string_lift(bytes5) + }; + Scheme::Other(e6) + } + }; + v6 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl IncomingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Returns the authority of the Request's target URI, if present. + pub fn authority(&self) -> Option<_rt::String> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-request.authority"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = *ptr0.add(4).cast::<*mut u8>(); + let l3 = *ptr0.add(8).cast::(); + let len4 = l3; + let bytes4 = _rt::Vec::from_raw_parts( + l2.cast(), + len4, + len4, + ); + _rt::string_lift(bytes4) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl IncomingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Get the `headers` associated with the request. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// The `headers` returned are a child resource: it must be dropped before + /// the parent `incoming-request` is dropped. Dropping this + /// `incoming-request` before all children are dropped will trap. + pub fn headers(&self) -> Headers { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-request.headers"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + Fields::from_handle(ret as u32) + } + } + } + impl IncomingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Gives the `incoming-body` associated with this request. Will only + /// return success at most once, and subsequent calls will return error. + pub fn consume(&self) -> Result { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-request.consume"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(4).cast::(); + IncomingBody::from_handle(l2 as u32) + }; + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Construct a new `outgoing-request` with a default `method` of `GET`, and + /// `none` values for `path-with-query`, `scheme`, and `authority`. + /// + /// * `headers` is the HTTP Headers for the Request. + /// + /// It is possible to construct, or manipulate with the accessor functions + /// below, an `outgoing-request` with an invalid combination of `scheme` + /// and `authority`, or `headers` which are not permitted to be sent. + /// It is the obligation of the `outgoing-handler.handle` implementation + /// to reject invalid constructions of `outgoing-request`. + pub fn new(headers: Headers) -> Self { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[constructor]outgoing-request"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((&headers).take_handle() as i32); + OutgoingRequest::from_handle(ret as u32) + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Returns the resource corresponding to the outgoing Body for this + /// Request. + /// + /// Returns success on the first call: the `outgoing-body` resource for + /// this `outgoing-request` can be retrieved at most once. Subsequent + /// calls will return error. + pub fn body(&self) -> Result { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.body"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(4).cast::(); + OutgoingBody::from_handle(l2 as u32) + }; + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Get the Method for the Request. + pub fn method(&self) -> Method { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.method"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + let v5 = match l1 { + 0 => Method::Get, + 1 => Method::Head, + 2 => Method::Post, + 3 => Method::Put, + 4 => Method::Delete, + 5 => Method::Connect, + 6 => Method::Options, + 7 => Method::Trace, + 8 => Method::Patch, + n => { + debug_assert_eq!(n, 9, "invalid enum discriminant"); + let e5 = { + let l2 = *ptr0.add(4).cast::<*mut u8>(); + let l3 = *ptr0.add(8).cast::(); + let len4 = l3; + let bytes4 = _rt::Vec::from_raw_parts( + l2.cast(), + len4, + len4, + ); + _rt::string_lift(bytes4) + }; + Method::Other(e5) + } + }; + v5 + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Set the Method for the Request. Fails if the string present in a + /// `method.other` argument is not a syntactically valid method. + pub fn set_method(&self, method: &Method) -> Result<(), ()> { + unsafe { + let (result1_0, result1_1, result1_2) = match method { + Method::Get => (0i32, ::core::ptr::null_mut(), 0usize), + Method::Head => (1i32, ::core::ptr::null_mut(), 0usize), + Method::Post => (2i32, ::core::ptr::null_mut(), 0usize), + Method::Put => (3i32, ::core::ptr::null_mut(), 0usize), + Method::Delete => (4i32, ::core::ptr::null_mut(), 0usize), + Method::Connect => (5i32, ::core::ptr::null_mut(), 0usize), + Method::Options => (6i32, ::core::ptr::null_mut(), 0usize), + Method::Trace => (7i32, ::core::ptr::null_mut(), 0usize), + Method::Patch => (8i32, ::core::ptr::null_mut(), 0usize), + Method::Other(e) => { + let vec0 = e; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + (9i32, ptr0.cast_mut(), len0) + } + }; + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.set-method"] + fn wit_import(_: i32, _: i32, _: *mut u8, _: usize) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32, _: *mut u8, _: usize) -> i32 { + unreachable!() + } + let ret = wit_import( + (self).handle() as i32, + result1_0, + result1_1, + result1_2, + ); + match ret { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Get the combination of the HTTP Path and Query for the Request. + /// When `none`, this represents an empty Path and empty Query. + pub fn path_with_query(&self) -> Option<_rt::String> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.path-with-query"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = *ptr0.add(4).cast::<*mut u8>(); + let l3 = *ptr0.add(8).cast::(); + let len4 = l3; + let bytes4 = _rt::Vec::from_raw_parts( + l2.cast(), + len4, + len4, + ); + _rt::string_lift(bytes4) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Set the combination of the HTTP Path and Query for the Request. + /// When `none`, this represents an empty Path and empty Query. Fails is the + /// string given is not a syntactically valid path and query uri component. + pub fn set_path_with_query( + &self, + path_with_query: Option<&str>, + ) -> Result<(), ()> { + unsafe { + let (result1_0, result1_1, result1_2) = match path_with_query { + Some(e) => { + let vec0 = e; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + (1i32, ptr0.cast_mut(), len0) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.set-path-with-query"] + fn wit_import(_: i32, _: i32, _: *mut u8, _: usize) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32, _: *mut u8, _: usize) -> i32 { + unreachable!() + } + let ret = wit_import( + (self).handle() as i32, + result1_0, + result1_1, + result1_2, + ); + match ret { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Get the HTTP Related Scheme for the Request. When `none`, the + /// implementation may choose an appropriate default scheme. + pub fn scheme(&self) -> Option { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.scheme"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = i32::from(*ptr0.add(4).cast::()); + let v6 = match l2 { + 0 => Scheme::Http, + 1 => Scheme::Https, + n => { + debug_assert_eq!(n, 2, "invalid enum discriminant"); + let e6 = { + let l3 = *ptr0.add(8).cast::<*mut u8>(); + let l4 = *ptr0.add(12).cast::(); + let len5 = l4; + let bytes5 = _rt::Vec::from_raw_parts( + l3.cast(), + len5, + len5, + ); + _rt::string_lift(bytes5) + }; + Scheme::Other(e6) + } + }; + v6 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Set the HTTP Related Scheme for the Request. When `none`, the + /// implementation may choose an appropriate default scheme. Fails if the + /// string given is not a syntactically valid uri scheme. + pub fn set_scheme(&self, scheme: Option<&Scheme>) -> Result<(), ()> { + unsafe { + let (result2_0, result2_1, result2_2, result2_3) = match scheme { + Some(e) => { + let (result1_0, result1_1, result1_2) = match e { + Scheme::Http => (0i32, ::core::ptr::null_mut(), 0usize), + Scheme::Https => (1i32, ::core::ptr::null_mut(), 0usize), + Scheme::Other(e) => { + let vec0 = e; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + (2i32, ptr0.cast_mut(), len0) + } + }; + (1i32, result1_0, result1_1, result1_2) + } + None => (0i32, 0i32, ::core::ptr::null_mut(), 0usize), + }; + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.set-scheme"] + fn wit_import( + _: i32, + _: i32, + _: i32, + _: *mut u8, + _: usize, + ) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import( + _: i32, + _: i32, + _: i32, + _: *mut u8, + _: usize, + ) -> i32 { + unreachable!() + } + let ret = wit_import( + (self).handle() as i32, + result2_0, + result2_1, + result2_2, + result2_3, + ); + match ret { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Get the authority of the Request's target URI. A value of `none` may be used + /// with Related Schemes which do not require an authority. The HTTP and + /// HTTPS schemes always require an authority. + pub fn authority(&self) -> Option<_rt::String> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.authority"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = *ptr0.add(4).cast::<*mut u8>(); + let l3 = *ptr0.add(8).cast::(); + let len4 = l3; + let bytes4 = _rt::Vec::from_raw_parts( + l2.cast(), + len4, + len4, + ); + _rt::string_lift(bytes4) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Set the authority of the Request's target URI. A value of `none` may be used + /// with Related Schemes which do not require an authority. The HTTP and + /// HTTPS schemes always require an authority. Fails if the string given is + /// not a syntactically valid URI authority. + pub fn set_authority(&self, authority: Option<&str>) -> Result<(), ()> { + unsafe { + let (result1_0, result1_1, result1_2) = match authority { + Some(e) => { + let vec0 = e; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + (1i32, ptr0.cast_mut(), len0) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.set-authority"] + fn wit_import(_: i32, _: i32, _: *mut u8, _: usize) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32, _: *mut u8, _: usize) -> i32 { + unreachable!() + } + let ret = wit_import( + (self).handle() as i32, + result1_0, + result1_1, + result1_2, + ); + match ret { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Get the headers associated with the Request. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// This headers resource is a child: it must be dropped before the parent + /// `outgoing-request` is dropped, or its ownership is transferred to + /// another component by e.g. `outgoing-handler.handle`. + pub fn headers(&self) -> Headers { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.headers"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + Fields::from_handle(ret as u32) + } + } + } + impl RequestOptions { + #[allow(unused_unsafe, clippy::all)] + /// Construct a default `request-options` value. + pub fn new() -> Self { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[constructor]request-options"] + fn wit_import() -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import() -> i32 { + unreachable!() + } + let ret = wit_import(); + RequestOptions::from_handle(ret as u32) + } + } + } + impl RequestOptions { + #[allow(unused_unsafe, clippy::all)] + /// The timeout for the initial connect to the HTTP Server. + pub fn connect_timeout(&self) -> Option { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]request-options.connect-timeout"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = *ptr0.add(8).cast::(); + l2 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl RequestOptions { + #[allow(unused_unsafe, clippy::all)] + /// Set the timeout for the initial connect to the HTTP Server. An error + /// return value indicates that this timeout is not supported. + pub fn set_connect_timeout( + &self, + duration: Option, + ) -> Result<(), ()> { + unsafe { + let (result0_0, result0_1) = match duration { + Some(e) => (1i32, _rt::as_i64(e)), + None => (0i32, 0i64), + }; + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]request-options.set-connect-timeout"] + fn wit_import(_: i32, _: i32, _: i64) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32, _: i64) -> i32 { + unreachable!() + } + let ret = wit_import( + (self).handle() as i32, + result0_0, + result0_1, + ); + match ret { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl RequestOptions { + #[allow(unused_unsafe, clippy::all)] + /// The timeout for receiving the first byte of the Response body. + pub fn first_byte_timeout(&self) -> Option { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]request-options.first-byte-timeout"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = *ptr0.add(8).cast::(); + l2 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl RequestOptions { + #[allow(unused_unsafe, clippy::all)] + /// Set the timeout for receiving the first byte of the Response body. An + /// error return value indicates that this timeout is not supported. + pub fn set_first_byte_timeout( + &self, + duration: Option, + ) -> Result<(), ()> { + unsafe { + let (result0_0, result0_1) = match duration { + Some(e) => (1i32, _rt::as_i64(e)), + None => (0i32, 0i64), + }; + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]request-options.set-first-byte-timeout"] + fn wit_import(_: i32, _: i32, _: i64) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32, _: i64) -> i32 { + unreachable!() + } + let ret = wit_import( + (self).handle() as i32, + result0_0, + result0_1, + ); + match ret { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl RequestOptions { + #[allow(unused_unsafe, clippy::all)] + /// The timeout for receiving subsequent chunks of bytes in the Response + /// body stream. + pub fn between_bytes_timeout(&self) -> Option { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]request-options.between-bytes-timeout"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = *ptr0.add(8).cast::(); + l2 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl RequestOptions { + #[allow(unused_unsafe, clippy::all)] + /// Set the timeout for receiving subsequent chunks of bytes in the Response + /// body stream. An error return value indicates that this timeout is not + /// supported. + pub fn set_between_bytes_timeout( + &self, + duration: Option, + ) -> Result<(), ()> { + unsafe { + let (result0_0, result0_1) = match duration { + Some(e) => (1i32, _rt::as_i64(e)), + None => (0i32, 0i64), + }; + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]request-options.set-between-bytes-timeout"] + fn wit_import(_: i32, _: i32, _: i64) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32, _: i64) -> i32 { + unreachable!() + } + let ret = wit_import( + (self).handle() as i32, + result0_0, + result0_1, + ); + match ret { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl ResponseOutparam { + #[allow(unused_unsafe, clippy::all)] + /// Set the value of the `response-outparam` to either send a response, + /// or indicate an error. + /// + /// This method consumes the `response-outparam` to ensure that it is + /// called at most once. If it is never called, the implementation + /// will respond with an error. + /// + /// The user may provide an `error` to `response` to allow the + /// implementation determine how to respond with an HTTP error response. + pub fn set( + param: ResponseOutparam, + response: Result, + ) { + unsafe { + let ( + result38_0, + result38_1, + result38_2, + result38_3, + result38_4, + result38_5, + result38_6, + result38_7, + ) = match &response { + Ok(e) => { + ( + 0i32, + (e).take_handle() as i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + Err(e) => { + let ( + result37_0, + result37_1, + result37_2, + result37_3, + result37_4, + result37_5, + result37_6, + ) = match e { + ErrorCode::DnsTimeout => { + ( + 0i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::DnsError(e) => { + let DnsErrorPayload { + rcode: rcode0, + info_code: info_code0, + } = e; + let (result2_0, result2_1, result2_2) = match rcode0 { + Some(e) => { + let vec1 = e; + let ptr1 = vec1.as_ptr().cast::(); + let len1 = vec1.len(); + (1i32, ptr1.cast_mut(), len1) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + let (result3_0, result3_1) = match info_code0 { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + ( + 1i32, + result2_0, + { + let mut t = ::core::mem::MaybeUninit::::uninit(); + t.as_mut_ptr().cast::<*mut u8>().write(result2_1); + t + }, + result2_2 as *mut u8, + result3_0 as *mut u8, + result3_1 as usize, + 0i32, + ) + } + ErrorCode::DestinationNotFound => { + ( + 2i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::DestinationUnavailable => { + ( + 3i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::DestinationIpProhibited => { + ( + 4i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::DestinationIpUnroutable => { + ( + 5i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::ConnectionRefused => { + ( + 6i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::ConnectionTerminated => { + ( + 7i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::ConnectionTimeout => { + ( + 8i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::ConnectionReadTimeout => { + ( + 9i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::ConnectionWriteTimeout => { + ( + 10i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::ConnectionLimitReached => { + ( + 11i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::TlsProtocolError => { + ( + 12i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::TlsCertificateError => { + ( + 13i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::TlsAlertReceived(e) => { + let TlsAlertReceivedPayload { + alert_id: alert_id4, + alert_message: alert_message4, + } = e; + let (result5_0, result5_1) = match alert_id4 { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + let (result7_0, result7_1, result7_2) = match alert_message4 { + Some(e) => { + let vec6 = e; + let ptr6 = vec6.as_ptr().cast::(); + let len6 = vec6.len(); + (1i32, ptr6.cast_mut(), len6) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + ( + 14i32, + result5_0, + ::core::mem::MaybeUninit::new(i64::from(result5_1) as u64), + result7_0 as *mut u8, + result7_1, + result7_2, + 0i32, + ) + } + ErrorCode::HttpRequestDenied => { + ( + 15i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpRequestLengthRequired => { + ( + 16i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpRequestBodySize(e) => { + let (result8_0, result8_1) = match e { + Some(e) => (1i32, _rt::as_i64(e)), + None => (0i32, 0i64), + }; + ( + 17i32, + result8_0, + ::core::mem::MaybeUninit::new(result8_1 as u64), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpRequestMethodInvalid => { + ( + 18i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpRequestUriInvalid => { + ( + 19i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpRequestUriTooLong => { + ( + 20i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpRequestHeaderSectionSize(e) => { + let (result9_0, result9_1) = match e { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + ( + 21i32, + result9_0, + ::core::mem::MaybeUninit::new(i64::from(result9_1) as u64), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpRequestHeaderSize(e) => { + let ( + result14_0, + result14_1, + result14_2, + result14_3, + result14_4, + result14_5, + ) = match e { + Some(e) => { + let FieldSizePayload { + field_name: field_name10, + field_size: field_size10, + } = e; + let (result12_0, result12_1, result12_2) = match field_name10 { + Some(e) => { + let vec11 = e; + let ptr11 = vec11.as_ptr().cast::(); + let len11 = vec11.len(); + (1i32, ptr11.cast_mut(), len11) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + let (result13_0, result13_1) = match field_size10 { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + ( + 1i32, + result12_0, + result12_1, + result12_2, + result13_0, + result13_1, + ) + } + None => { + (0i32, 0i32, ::core::ptr::null_mut(), 0usize, 0i32, 0i32) + } + }; + ( + 22i32, + result14_0, + ::core::mem::MaybeUninit::new(i64::from(result14_1) as u64), + result14_2, + result14_3 as *mut u8, + result14_4 as usize, + result14_5, + ) + } + ErrorCode::HttpRequestTrailerSectionSize(e) => { + let (result15_0, result15_1) = match e { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + ( + 23i32, + result15_0, + ::core::mem::MaybeUninit::new(i64::from(result15_1) as u64), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpRequestTrailerSize(e) => { + let FieldSizePayload { + field_name: field_name16, + field_size: field_size16, + } = e; + let (result18_0, result18_1, result18_2) = match field_name16 { + Some(e) => { + let vec17 = e; + let ptr17 = vec17.as_ptr().cast::(); + let len17 = vec17.len(); + (1i32, ptr17.cast_mut(), len17) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + let (result19_0, result19_1) = match field_size16 { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + ( + 24i32, + result18_0, + { + let mut t = ::core::mem::MaybeUninit::::uninit(); + t.as_mut_ptr().cast::<*mut u8>().write(result18_1); + t + }, + result18_2 as *mut u8, + result19_0 as *mut u8, + result19_1 as usize, + 0i32, + ) + } + ErrorCode::HttpResponseIncomplete => { + ( + 25i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpResponseHeaderSectionSize(e) => { + let (result20_0, result20_1) = match e { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + ( + 26i32, + result20_0, + ::core::mem::MaybeUninit::new(i64::from(result20_1) as u64), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpResponseHeaderSize(e) => { + let FieldSizePayload { + field_name: field_name21, + field_size: field_size21, + } = e; + let (result23_0, result23_1, result23_2) = match field_name21 { + Some(e) => { + let vec22 = e; + let ptr22 = vec22.as_ptr().cast::(); + let len22 = vec22.len(); + (1i32, ptr22.cast_mut(), len22) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + let (result24_0, result24_1) = match field_size21 { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + ( + 27i32, + result23_0, + { + let mut t = ::core::mem::MaybeUninit::::uninit(); + t.as_mut_ptr().cast::<*mut u8>().write(result23_1); + t + }, + result23_2 as *mut u8, + result24_0 as *mut u8, + result24_1 as usize, + 0i32, + ) + } + ErrorCode::HttpResponseBodySize(e) => { + let (result25_0, result25_1) = match e { + Some(e) => (1i32, _rt::as_i64(e)), + None => (0i32, 0i64), + }; + ( + 28i32, + result25_0, + ::core::mem::MaybeUninit::new(result25_1 as u64), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpResponseTrailerSectionSize(e) => { + let (result26_0, result26_1) = match e { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + ( + 29i32, + result26_0, + ::core::mem::MaybeUninit::new(i64::from(result26_1) as u64), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpResponseTrailerSize(e) => { + let FieldSizePayload { + field_name: field_name27, + field_size: field_size27, + } = e; + let (result29_0, result29_1, result29_2) = match field_name27 { + Some(e) => { + let vec28 = e; + let ptr28 = vec28.as_ptr().cast::(); + let len28 = vec28.len(); + (1i32, ptr28.cast_mut(), len28) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + let (result30_0, result30_1) = match field_size27 { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + ( + 30i32, + result29_0, + { + let mut t = ::core::mem::MaybeUninit::::uninit(); + t.as_mut_ptr().cast::<*mut u8>().write(result29_1); + t + }, + result29_2 as *mut u8, + result30_0 as *mut u8, + result30_1 as usize, + 0i32, + ) + } + ErrorCode::HttpResponseTransferCoding(e) => { + let (result32_0, result32_1, result32_2) = match e { + Some(e) => { + let vec31 = e; + let ptr31 = vec31.as_ptr().cast::(); + let len31 = vec31.len(); + (1i32, ptr31.cast_mut(), len31) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + ( + 31i32, + result32_0, + { + let mut t = ::core::mem::MaybeUninit::::uninit(); + t.as_mut_ptr().cast::<*mut u8>().write(result32_1); + t + }, + result32_2 as *mut u8, + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpResponseContentCoding(e) => { + let (result34_0, result34_1, result34_2) = match e { + Some(e) => { + let vec33 = e; + let ptr33 = vec33.as_ptr().cast::(); + let len33 = vec33.len(); + (1i32, ptr33.cast_mut(), len33) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + ( + 32i32, + result34_0, + { + let mut t = ::core::mem::MaybeUninit::::uninit(); + t.as_mut_ptr().cast::<*mut u8>().write(result34_1); + t + }, + result34_2 as *mut u8, + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpResponseTimeout => { + ( + 33i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpUpgradeFailed => { + ( + 34i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpProtocolError => { + ( + 35i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::LoopDetected => { + ( + 36i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::ConfigurationError => { + ( + 37i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::InternalError(e) => { + let (result36_0, result36_1, result36_2) = match e { + Some(e) => { + let vec35 = e; + let ptr35 = vec35.as_ptr().cast::(); + let len35 = vec35.len(); + (1i32, ptr35.cast_mut(), len35) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + ( + 38i32, + result36_0, + { + let mut t = ::core::mem::MaybeUninit::::uninit(); + t.as_mut_ptr().cast::<*mut u8>().write(result36_1); + t + }, + result36_2 as *mut u8, + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + }; + ( + 1i32, + result37_0, + result37_1, + result37_2, + result37_3, + result37_4, + result37_5, + result37_6, + ) + } + }; + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[static]response-outparam.set"] + fn wit_import( + _: i32, + _: i32, + _: i32, + _: i32, + _: ::core::mem::MaybeUninit, + _: *mut u8, + _: *mut u8, + _: usize, + _: i32, + ); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import( + _: i32, + _: i32, + _: i32, + _: i32, + _: ::core::mem::MaybeUninit, + _: *mut u8, + _: *mut u8, + _: usize, + _: i32, + ) { + unreachable!() + } + wit_import( + (¶m).take_handle() as i32, + result38_0, + result38_1, + result38_2, + result38_3, + result38_4, + result38_5, + result38_6, + result38_7, + ); + } + } + } + impl IncomingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Returns the status code from the incoming response. + pub fn status(&self) -> StatusCode { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-response.status"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + ret as u16 + } + } + } + impl IncomingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Returns the headers from the incoming response. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// This headers resource is a child: it must be dropped before the parent + /// `incoming-response` is dropped. + pub fn headers(&self) -> Headers { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-response.headers"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + Fields::from_handle(ret as u32) + } + } + } + impl IncomingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Returns the incoming body. May be called at most once. Returns error + /// if called additional times. + pub fn consume(&self) -> Result { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-response.consume"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(4).cast::(); + IncomingBody::from_handle(l2 as u32) + }; + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl IncomingBody { + #[allow(unused_unsafe, clippy::all)] + /// Returns the contents of the body, as a stream of bytes. + /// + /// Returns success on first call: the stream representing the contents + /// can be retrieved at most once. Subsequent calls will return error. + /// + /// The returned `input-stream` resource is a child: it must be dropped + /// before the parent `incoming-body` is dropped, or consumed by + /// `incoming-body.finish`. + /// + /// This invariant ensures that the implementation can determine whether + /// the user is consuming the contents of the body, waiting on the + /// `future-trailers` to be ready, or neither. This allows for network + /// backpressure is to be applied when the user is consuming the body, + /// and for that backpressure to not inhibit delivery of the trailers if + /// the user does not read the entire body. + pub fn stream(&self) -> Result { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-body.stream"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(4).cast::(); + super::super::super::wasi::io::streams::InputStream::from_handle( + l2 as u32, + ) + }; + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl IncomingBody { + #[allow(unused_unsafe, clippy::all)] + /// Takes ownership of `incoming-body`, and returns a `future-trailers`. + /// This function will trap if the `input-stream` child is still alive. + pub fn finish(this: IncomingBody) -> FutureTrailers { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[static]incoming-body.finish"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((&this).take_handle() as i32); + FutureTrailers::from_handle(ret as u32) + } + } + } + impl FutureTrailers { + #[allow(unused_unsafe, clippy::all)] + /// Returns a pollable which becomes ready when either the trailers have + /// been received, or an error has occurred. When this pollable is ready, + /// the `get` method will return `some`. + pub fn subscribe(&self) -> Pollable { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]future-trailers.subscribe"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + super::super::super::wasi::io::poll::Pollable::from_handle( + ret as u32, + ) + } + } + } + impl FutureTrailers { + #[allow(unused_unsafe, clippy::all)] + /// Returns the contents of the trailers, or an error which occurred, + /// once the future is ready. + /// + /// The outer `option` represents future readiness. Users can wait on this + /// `option` to become `some` using the `subscribe` method. + /// + /// The outer `result` is used to retrieve the trailers or error at most + /// once. It will be success on the first call in which the outer option + /// is `some`, and error on subsequent calls. + /// + /// The inner `result` represents that either the HTTP Request or Response + /// body, as well as any trailers, were received successfully, or that an + /// error occurred receiving them. The optional `trailers` indicates whether + /// or not trailers were present in the body. + /// + /// When some `trailers` are returned by this method, the `trailers` + /// resource is immutable, and a child. Use of the `set`, `append`, or + /// `delete` methods will return an error, and the resource must be + /// dropped before the parent `future-trailers` is dropped. + pub fn get( + &self, + ) -> Option, ErrorCode>, ()>> { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 56]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 56], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]future-trailers.get"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = i32::from(*ptr0.add(8).cast::()); + match l2 { + 0 => { + let e = { + let l3 = i32::from(*ptr0.add(16).cast::()); + match l3 { + 0 => { + let e = { + let l4 = i32::from(*ptr0.add(24).cast::()); + match l4 { + 0 => None, + 1 => { + let e = { + let l5 = *ptr0.add(28).cast::(); + Fields::from_handle(l5 as u32) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + Ok(e) + } + 1 => { + let e = { + let l6 = i32::from(*ptr0.add(24).cast::()); + let v68 = match l6 { + 0 => ErrorCode::DnsTimeout, + 1 => { + let e68 = { + let l7 = i32::from(*ptr0.add(32).cast::()); + let l11 = i32::from(*ptr0.add(44).cast::()); + DnsErrorPayload { + rcode: match l7 { + 0 => None, + 1 => { + let e = { + let l8 = *ptr0.add(36).cast::<*mut u8>(); + let l9 = *ptr0.add(40).cast::(); + let len10 = l9; + let bytes10 = _rt::Vec::from_raw_parts( + l8.cast(), + len10, + len10, + ); + _rt::string_lift(bytes10) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + info_code: match l11 { + 0 => None, + 1 => { + let e = { + let l12 = i32::from(*ptr0.add(46).cast::()); + l12 as u16 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::DnsError(e68) + } + 2 => ErrorCode::DestinationNotFound, + 3 => ErrorCode::DestinationUnavailable, + 4 => ErrorCode::DestinationIpProhibited, + 5 => ErrorCode::DestinationIpUnroutable, + 6 => ErrorCode::ConnectionRefused, + 7 => ErrorCode::ConnectionTerminated, + 8 => ErrorCode::ConnectionTimeout, + 9 => ErrorCode::ConnectionReadTimeout, + 10 => ErrorCode::ConnectionWriteTimeout, + 11 => ErrorCode::ConnectionLimitReached, + 12 => ErrorCode::TlsProtocolError, + 13 => ErrorCode::TlsCertificateError, + 14 => { + let e68 = { + let l13 = i32::from(*ptr0.add(32).cast::()); + let l15 = i32::from(*ptr0.add(36).cast::()); + TlsAlertReceivedPayload { + alert_id: match l13 { + 0 => None, + 1 => { + let e = { + let l14 = i32::from(*ptr0.add(33).cast::()); + l14 as u8 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + alert_message: match l15 { + 0 => None, + 1 => { + let e = { + let l16 = *ptr0.add(40).cast::<*mut u8>(); + let l17 = *ptr0.add(44).cast::(); + let len18 = l17; + let bytes18 = _rt::Vec::from_raw_parts( + l16.cast(), + len18, + len18, + ); + _rt::string_lift(bytes18) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::TlsAlertReceived(e68) + } + 15 => ErrorCode::HttpRequestDenied, + 16 => ErrorCode::HttpRequestLengthRequired, + 17 => { + let e68 = { + let l19 = i32::from(*ptr0.add(32).cast::()); + match l19 { + 0 => None, + 1 => { + let e = { + let l20 = *ptr0.add(40).cast::(); + l20 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestBodySize(e68) + } + 18 => ErrorCode::HttpRequestMethodInvalid, + 19 => ErrorCode::HttpRequestUriInvalid, + 20 => ErrorCode::HttpRequestUriTooLong, + 21 => { + let e68 = { + let l21 = i32::from(*ptr0.add(32).cast::()); + match l21 { + 0 => None, + 1 => { + let e = { + let l22 = *ptr0.add(36).cast::(); + l22 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestHeaderSectionSize(e68) + } + 22 => { + let e68 = { + let l23 = i32::from(*ptr0.add(32).cast::()); + match l23 { + 0 => None, + 1 => { + let e = { + let l24 = i32::from(*ptr0.add(36).cast::()); + let l28 = i32::from(*ptr0.add(48).cast::()); + FieldSizePayload { + field_name: match l24 { + 0 => None, + 1 => { + let e = { + let l25 = *ptr0.add(40).cast::<*mut u8>(); + let l26 = *ptr0.add(44).cast::(); + let len27 = l26; + let bytes27 = _rt::Vec::from_raw_parts( + l25.cast(), + len27, + len27, + ); + _rt::string_lift(bytes27) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l28 { + 0 => None, + 1 => { + let e = { + let l29 = *ptr0.add(52).cast::(); + l29 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestHeaderSize(e68) + } + 23 => { + let e68 = { + let l30 = i32::from(*ptr0.add(32).cast::()); + match l30 { + 0 => None, + 1 => { + let e = { + let l31 = *ptr0.add(36).cast::(); + l31 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestTrailerSectionSize(e68) + } + 24 => { + let e68 = { + let l32 = i32::from(*ptr0.add(32).cast::()); + let l36 = i32::from(*ptr0.add(44).cast::()); + FieldSizePayload { + field_name: match l32 { + 0 => None, + 1 => { + let e = { + let l33 = *ptr0.add(36).cast::<*mut u8>(); + let l34 = *ptr0.add(40).cast::(); + let len35 = l34; + let bytes35 = _rt::Vec::from_raw_parts( + l33.cast(), + len35, + len35, + ); + _rt::string_lift(bytes35) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l36 { + 0 => None, + 1 => { + let e = { + let l37 = *ptr0.add(48).cast::(); + l37 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpRequestTrailerSize(e68) + } + 25 => ErrorCode::HttpResponseIncomplete, + 26 => { + let e68 = { + let l38 = i32::from(*ptr0.add(32).cast::()); + match l38 { + 0 => None, + 1 => { + let e = { + let l39 = *ptr0.add(36).cast::(); + l39 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseHeaderSectionSize(e68) + } + 27 => { + let e68 = { + let l40 = i32::from(*ptr0.add(32).cast::()); + let l44 = i32::from(*ptr0.add(44).cast::()); + FieldSizePayload { + field_name: match l40 { + 0 => None, + 1 => { + let e = { + let l41 = *ptr0.add(36).cast::<*mut u8>(); + let l42 = *ptr0.add(40).cast::(); + let len43 = l42; + let bytes43 = _rt::Vec::from_raw_parts( + l41.cast(), + len43, + len43, + ); + _rt::string_lift(bytes43) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l44 { + 0 => None, + 1 => { + let e = { + let l45 = *ptr0.add(48).cast::(); + l45 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpResponseHeaderSize(e68) + } + 28 => { + let e68 = { + let l46 = i32::from(*ptr0.add(32).cast::()); + match l46 { + 0 => None, + 1 => { + let e = { + let l47 = *ptr0.add(40).cast::(); + l47 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseBodySize(e68) + } + 29 => { + let e68 = { + let l48 = i32::from(*ptr0.add(32).cast::()); + match l48 { + 0 => None, + 1 => { + let e = { + let l49 = *ptr0.add(36).cast::(); + l49 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseTrailerSectionSize(e68) + } + 30 => { + let e68 = { + let l50 = i32::from(*ptr0.add(32).cast::()); + let l54 = i32::from(*ptr0.add(44).cast::()); + FieldSizePayload { + field_name: match l50 { + 0 => None, + 1 => { + let e = { + let l51 = *ptr0.add(36).cast::<*mut u8>(); + let l52 = *ptr0.add(40).cast::(); + let len53 = l52; + let bytes53 = _rt::Vec::from_raw_parts( + l51.cast(), + len53, + len53, + ); + _rt::string_lift(bytes53) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l54 { + 0 => None, + 1 => { + let e = { + let l55 = *ptr0.add(48).cast::(); + l55 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpResponseTrailerSize(e68) + } + 31 => { + let e68 = { + let l56 = i32::from(*ptr0.add(32).cast::()); + match l56 { + 0 => None, + 1 => { + let e = { + let l57 = *ptr0.add(36).cast::<*mut u8>(); + let l58 = *ptr0.add(40).cast::(); + let len59 = l58; + let bytes59 = _rt::Vec::from_raw_parts( + l57.cast(), + len59, + len59, + ); + _rt::string_lift(bytes59) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseTransferCoding(e68) + } + 32 => { + let e68 = { + let l60 = i32::from(*ptr0.add(32).cast::()); + match l60 { + 0 => None, + 1 => { + let e = { + let l61 = *ptr0.add(36).cast::<*mut u8>(); + let l62 = *ptr0.add(40).cast::(); + let len63 = l62; + let bytes63 = _rt::Vec::from_raw_parts( + l61.cast(), + len63, + len63, + ); + _rt::string_lift(bytes63) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseContentCoding(e68) + } + 33 => ErrorCode::HttpResponseTimeout, + 34 => ErrorCode::HttpUpgradeFailed, + 35 => ErrorCode::HttpProtocolError, + 36 => ErrorCode::LoopDetected, + 37 => ErrorCode::ConfigurationError, + n => { + debug_assert_eq!(n, 38, "invalid enum discriminant"); + let e68 = { + let l64 = i32::from(*ptr0.add(32).cast::()); + match l64 { + 0 => None, + 1 => { + let e = { + let l65 = *ptr0.add(36).cast::<*mut u8>(); + let l66 = *ptr0.add(40).cast::(); + let len67 = l66; + let bytes67 = _rt::Vec::from_raw_parts( + l65.cast(), + len67, + len67, + ); + _rt::string_lift(bytes67) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::InternalError(e68) + } + }; + v68 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Construct an `outgoing-response`, with a default `status-code` of `200`. + /// If a different `status-code` is needed, it must be set via the + /// `set-status-code` method. + /// + /// * `headers` is the HTTP Headers for the Response. + pub fn new(headers: Headers) -> Self { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[constructor]outgoing-response"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((&headers).take_handle() as i32); + OutgoingResponse::from_handle(ret as u32) + } + } + } + impl OutgoingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Get the HTTP Status Code for the Response. + pub fn status_code(&self) -> StatusCode { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-response.status-code"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + ret as u16 + } + } + } + impl OutgoingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Set the HTTP Status Code for the Response. Fails if the status-code + /// given is not a valid http status code. + pub fn set_status_code( + &self, + status_code: StatusCode, + ) -> Result<(), ()> { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-response.set-status-code"] + fn wit_import(_: i32, _: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32) -> i32 { + unreachable!() + } + let ret = wit_import( + (self).handle() as i32, + _rt::as_i32(status_code), + ); + match ret { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Get the headers associated with the Request. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// This headers resource is a child: it must be dropped before the parent + /// `outgoing-request` is dropped, or its ownership is transferred to + /// another component by e.g. `outgoing-handler.handle`. + pub fn headers(&self) -> Headers { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-response.headers"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + Fields::from_handle(ret as u32) + } + } + } + impl OutgoingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Returns the resource corresponding to the outgoing Body for this Response. + /// + /// Returns success on the first call: the `outgoing-body` resource for + /// this `outgoing-response` can be retrieved at most once. Subsequent + /// calls will return error. + pub fn body(&self) -> Result { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-response.body"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(4).cast::(); + OutgoingBody::from_handle(l2 as u32) + }; + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingBody { + #[allow(unused_unsafe, clippy::all)] + /// Returns a stream for writing the body contents. + /// + /// The returned `output-stream` is a child resource: it must be dropped + /// before the parent `outgoing-body` resource is dropped (or finished), + /// otherwise the `outgoing-body` drop or `finish` will trap. + /// + /// Returns success on the first call: the `output-stream` resource for + /// this `outgoing-body` may be retrieved at most once. Subsequent calls + /// will return error. + pub fn write(&self) -> Result { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-body.write"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(4).cast::(); + super::super::super::wasi::io::streams::OutputStream::from_handle( + l2 as u32, + ) + }; + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingBody { + #[allow(unused_unsafe, clippy::all)] + /// Finalize an outgoing body, optionally providing trailers. This must be + /// called to signal that the response is complete. If the `outgoing-body` + /// is dropped without calling `outgoing-body.finalize`, the implementation + /// should treat the body as corrupted. + /// + /// Fails if the body's `outgoing-request` or `outgoing-response` was + /// constructed with a Content-Length header, and the contents written + /// to the body (via `write`) does not match the value given in the + /// Content-Length. + pub fn finish( + this: OutgoingBody, + trailers: Option, + ) -> Result<(), ErrorCode> { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 40]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 40], + ); + let (result0_0, result0_1) = match &trailers { + Some(e) => (1i32, (e).take_handle() as i32), + None => (0i32, 0i32), + }; + let ptr1 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[static]outgoing-body.finish"] + fn wit_import(_: i32, _: i32, _: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32, _: i32, _: *mut u8) { + unreachable!() + } + wit_import( + (&this).take_handle() as i32, + result0_0, + result0_1, + ptr1, + ); + let l2 = i32::from(*ptr1.add(0).cast::()); + match l2 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l3 = i32::from(*ptr1.add(8).cast::()); + let v65 = match l3 { + 0 => ErrorCode::DnsTimeout, + 1 => { + let e65 = { + let l4 = i32::from(*ptr1.add(16).cast::()); + let l8 = i32::from(*ptr1.add(28).cast::()); + DnsErrorPayload { + rcode: match l4 { + 0 => None, + 1 => { + let e = { + let l5 = *ptr1.add(20).cast::<*mut u8>(); + let l6 = *ptr1.add(24).cast::(); + let len7 = l6; + let bytes7 = _rt::Vec::from_raw_parts( + l5.cast(), + len7, + len7, + ); + _rt::string_lift(bytes7) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + info_code: match l8 { + 0 => None, + 1 => { + let e = { + let l9 = i32::from(*ptr1.add(30).cast::()); + l9 as u16 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::DnsError(e65) + } + 2 => ErrorCode::DestinationNotFound, + 3 => ErrorCode::DestinationUnavailable, + 4 => ErrorCode::DestinationIpProhibited, + 5 => ErrorCode::DestinationIpUnroutable, + 6 => ErrorCode::ConnectionRefused, + 7 => ErrorCode::ConnectionTerminated, + 8 => ErrorCode::ConnectionTimeout, + 9 => ErrorCode::ConnectionReadTimeout, + 10 => ErrorCode::ConnectionWriteTimeout, + 11 => ErrorCode::ConnectionLimitReached, + 12 => ErrorCode::TlsProtocolError, + 13 => ErrorCode::TlsCertificateError, + 14 => { + let e65 = { + let l10 = i32::from(*ptr1.add(16).cast::()); + let l12 = i32::from(*ptr1.add(20).cast::()); + TlsAlertReceivedPayload { + alert_id: match l10 { + 0 => None, + 1 => { + let e = { + let l11 = i32::from(*ptr1.add(17).cast::()); + l11 as u8 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + alert_message: match l12 { + 0 => None, + 1 => { + let e = { + let l13 = *ptr1.add(24).cast::<*mut u8>(); + let l14 = *ptr1.add(28).cast::(); + let len15 = l14; + let bytes15 = _rt::Vec::from_raw_parts( + l13.cast(), + len15, + len15, + ); + _rt::string_lift(bytes15) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::TlsAlertReceived(e65) + } + 15 => ErrorCode::HttpRequestDenied, + 16 => ErrorCode::HttpRequestLengthRequired, + 17 => { + let e65 = { + let l16 = i32::from(*ptr1.add(16).cast::()); + match l16 { + 0 => None, + 1 => { + let e = { + let l17 = *ptr1.add(24).cast::(); + l17 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestBodySize(e65) + } + 18 => ErrorCode::HttpRequestMethodInvalid, + 19 => ErrorCode::HttpRequestUriInvalid, + 20 => ErrorCode::HttpRequestUriTooLong, + 21 => { + let e65 = { + let l18 = i32::from(*ptr1.add(16).cast::()); + match l18 { + 0 => None, + 1 => { + let e = { + let l19 = *ptr1.add(20).cast::(); + l19 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestHeaderSectionSize(e65) + } + 22 => { + let e65 = { + let l20 = i32::from(*ptr1.add(16).cast::()); + match l20 { + 0 => None, + 1 => { + let e = { + let l21 = i32::from(*ptr1.add(20).cast::()); + let l25 = i32::from(*ptr1.add(32).cast::()); + FieldSizePayload { + field_name: match l21 { + 0 => None, + 1 => { + let e = { + let l22 = *ptr1.add(24).cast::<*mut u8>(); + let l23 = *ptr1.add(28).cast::(); + let len24 = l23; + let bytes24 = _rt::Vec::from_raw_parts( + l22.cast(), + len24, + len24, + ); + _rt::string_lift(bytes24) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l25 { + 0 => None, + 1 => { + let e = { + let l26 = *ptr1.add(36).cast::(); + l26 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestHeaderSize(e65) + } + 23 => { + let e65 = { + let l27 = i32::from(*ptr1.add(16).cast::()); + match l27 { + 0 => None, + 1 => { + let e = { + let l28 = *ptr1.add(20).cast::(); + l28 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestTrailerSectionSize(e65) + } + 24 => { + let e65 = { + let l29 = i32::from(*ptr1.add(16).cast::()); + let l33 = i32::from(*ptr1.add(28).cast::()); + FieldSizePayload { + field_name: match l29 { + 0 => None, + 1 => { + let e = { + let l30 = *ptr1.add(20).cast::<*mut u8>(); + let l31 = *ptr1.add(24).cast::(); + let len32 = l31; + let bytes32 = _rt::Vec::from_raw_parts( + l30.cast(), + len32, + len32, + ); + _rt::string_lift(bytes32) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l33 { + 0 => None, + 1 => { + let e = { + let l34 = *ptr1.add(32).cast::(); + l34 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpRequestTrailerSize(e65) + } + 25 => ErrorCode::HttpResponseIncomplete, + 26 => { + let e65 = { + let l35 = i32::from(*ptr1.add(16).cast::()); + match l35 { + 0 => None, + 1 => { + let e = { + let l36 = *ptr1.add(20).cast::(); + l36 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseHeaderSectionSize(e65) + } + 27 => { + let e65 = { + let l37 = i32::from(*ptr1.add(16).cast::()); + let l41 = i32::from(*ptr1.add(28).cast::()); + FieldSizePayload { + field_name: match l37 { + 0 => None, + 1 => { + let e = { + let l38 = *ptr1.add(20).cast::<*mut u8>(); + let l39 = *ptr1.add(24).cast::(); + let len40 = l39; + let bytes40 = _rt::Vec::from_raw_parts( + l38.cast(), + len40, + len40, + ); + _rt::string_lift(bytes40) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l41 { + 0 => None, + 1 => { + let e = { + let l42 = *ptr1.add(32).cast::(); + l42 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpResponseHeaderSize(e65) + } + 28 => { + let e65 = { + let l43 = i32::from(*ptr1.add(16).cast::()); + match l43 { + 0 => None, + 1 => { + let e = { + let l44 = *ptr1.add(24).cast::(); + l44 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseBodySize(e65) + } + 29 => { + let e65 = { + let l45 = i32::from(*ptr1.add(16).cast::()); + match l45 { + 0 => None, + 1 => { + let e = { + let l46 = *ptr1.add(20).cast::(); + l46 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseTrailerSectionSize(e65) + } + 30 => { + let e65 = { + let l47 = i32::from(*ptr1.add(16).cast::()); + let l51 = i32::from(*ptr1.add(28).cast::()); + FieldSizePayload { + field_name: match l47 { + 0 => None, + 1 => { + let e = { + let l48 = *ptr1.add(20).cast::<*mut u8>(); + let l49 = *ptr1.add(24).cast::(); + let len50 = l49; + let bytes50 = _rt::Vec::from_raw_parts( + l48.cast(), + len50, + len50, + ); + _rt::string_lift(bytes50) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l51 { + 0 => None, + 1 => { + let e = { + let l52 = *ptr1.add(32).cast::(); + l52 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpResponseTrailerSize(e65) + } + 31 => { + let e65 = { + let l53 = i32::from(*ptr1.add(16).cast::()); + match l53 { + 0 => None, + 1 => { + let e = { + let l54 = *ptr1.add(20).cast::<*mut u8>(); + let l55 = *ptr1.add(24).cast::(); + let len56 = l55; + let bytes56 = _rt::Vec::from_raw_parts( + l54.cast(), + len56, + len56, + ); + _rt::string_lift(bytes56) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseTransferCoding(e65) + } + 32 => { + let e65 = { + let l57 = i32::from(*ptr1.add(16).cast::()); + match l57 { + 0 => None, + 1 => { + let e = { + let l58 = *ptr1.add(20).cast::<*mut u8>(); + let l59 = *ptr1.add(24).cast::(); + let len60 = l59; + let bytes60 = _rt::Vec::from_raw_parts( + l58.cast(), + len60, + len60, + ); + _rt::string_lift(bytes60) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseContentCoding(e65) + } + 33 => ErrorCode::HttpResponseTimeout, + 34 => ErrorCode::HttpUpgradeFailed, + 35 => ErrorCode::HttpProtocolError, + 36 => ErrorCode::LoopDetected, + 37 => ErrorCode::ConfigurationError, + n => { + debug_assert_eq!(n, 38, "invalid enum discriminant"); + let e65 = { + let l61 = i32::from(*ptr1.add(16).cast::()); + match l61 { + 0 => None, + 1 => { + let e = { + let l62 = *ptr1.add(20).cast::<*mut u8>(); + let l63 = *ptr1.add(24).cast::(); + let len64 = l63; + let bytes64 = _rt::Vec::from_raw_parts( + l62.cast(), + len64, + len64, + ); + _rt::string_lift(bytes64) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::InternalError(e65) + } + }; + v65 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl FutureIncomingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Returns a pollable which becomes ready when either the Response has + /// been received, or an error has occurred. When this pollable is ready, + /// the `get` method will return `some`. + pub fn subscribe(&self) -> Pollable { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]future-incoming-response.subscribe"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + super::super::super::wasi::io::poll::Pollable::from_handle( + ret as u32, + ) + } + } + } + impl FutureIncomingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Returns the incoming HTTP Response, or an error, once one is ready. + /// + /// The outer `option` represents future readiness. Users can wait on this + /// `option` to become `some` using the `subscribe` method. + /// + /// The outer `result` is used to retrieve the response or error at most + /// once. It will be success on the first call in which the outer option + /// is `some`, and error on subsequent calls. + /// + /// The inner `result` represents that either the incoming HTTP Response + /// status and headers have received successfully, or that an error + /// occurred. Errors may also occur while consuming the response body, + /// but those will be reported by the `incoming-body` and its + /// `output-stream` child. + pub fn get( + &self, + ) -> Option, ()>> { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 56]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 56], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]future-incoming-response.get"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = i32::from(*ptr0.add(8).cast::()); + match l2 { + 0 => { + let e = { + let l3 = i32::from(*ptr0.add(16).cast::()); + match l3 { + 0 => { + let e = { + let l4 = *ptr0.add(24).cast::(); + IncomingResponse::from_handle(l4 as u32) + }; + Ok(e) + } + 1 => { + let e = { + let l5 = i32::from(*ptr0.add(24).cast::()); + let v67 = match l5 { + 0 => ErrorCode::DnsTimeout, + 1 => { + let e67 = { + let l6 = i32::from(*ptr0.add(32).cast::()); + let l10 = i32::from(*ptr0.add(44).cast::()); + DnsErrorPayload { + rcode: match l6 { + 0 => None, + 1 => { + let e = { + let l7 = *ptr0.add(36).cast::<*mut u8>(); + let l8 = *ptr0.add(40).cast::(); + let len9 = l8; + let bytes9 = _rt::Vec::from_raw_parts( + l7.cast(), + len9, + len9, + ); + _rt::string_lift(bytes9) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + info_code: match l10 { + 0 => None, + 1 => { + let e = { + let l11 = i32::from(*ptr0.add(46).cast::()); + l11 as u16 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::DnsError(e67) + } + 2 => ErrorCode::DestinationNotFound, + 3 => ErrorCode::DestinationUnavailable, + 4 => ErrorCode::DestinationIpProhibited, + 5 => ErrorCode::DestinationIpUnroutable, + 6 => ErrorCode::ConnectionRefused, + 7 => ErrorCode::ConnectionTerminated, + 8 => ErrorCode::ConnectionTimeout, + 9 => ErrorCode::ConnectionReadTimeout, + 10 => ErrorCode::ConnectionWriteTimeout, + 11 => ErrorCode::ConnectionLimitReached, + 12 => ErrorCode::TlsProtocolError, + 13 => ErrorCode::TlsCertificateError, + 14 => { + let e67 = { + let l12 = i32::from(*ptr0.add(32).cast::()); + let l14 = i32::from(*ptr0.add(36).cast::()); + TlsAlertReceivedPayload { + alert_id: match l12 { + 0 => None, + 1 => { + let e = { + let l13 = i32::from(*ptr0.add(33).cast::()); + l13 as u8 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + alert_message: match l14 { + 0 => None, + 1 => { + let e = { + let l15 = *ptr0.add(40).cast::<*mut u8>(); + let l16 = *ptr0.add(44).cast::(); + let len17 = l16; + let bytes17 = _rt::Vec::from_raw_parts( + l15.cast(), + len17, + len17, + ); + _rt::string_lift(bytes17) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::TlsAlertReceived(e67) + } + 15 => ErrorCode::HttpRequestDenied, + 16 => ErrorCode::HttpRequestLengthRequired, + 17 => { + let e67 = { + let l18 = i32::from(*ptr0.add(32).cast::()); + match l18 { + 0 => None, + 1 => { + let e = { + let l19 = *ptr0.add(40).cast::(); + l19 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestBodySize(e67) + } + 18 => ErrorCode::HttpRequestMethodInvalid, + 19 => ErrorCode::HttpRequestUriInvalid, + 20 => ErrorCode::HttpRequestUriTooLong, + 21 => { + let e67 = { + let l20 = i32::from(*ptr0.add(32).cast::()); + match l20 { + 0 => None, + 1 => { + let e = { + let l21 = *ptr0.add(36).cast::(); + l21 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestHeaderSectionSize(e67) + } + 22 => { + let e67 = { + let l22 = i32::from(*ptr0.add(32).cast::()); + match l22 { + 0 => None, + 1 => { + let e = { + let l23 = i32::from(*ptr0.add(36).cast::()); + let l27 = i32::from(*ptr0.add(48).cast::()); + FieldSizePayload { + field_name: match l23 { + 0 => None, + 1 => { + let e = { + let l24 = *ptr0.add(40).cast::<*mut u8>(); + let l25 = *ptr0.add(44).cast::(); + let len26 = l25; + let bytes26 = _rt::Vec::from_raw_parts( + l24.cast(), + len26, + len26, + ); + _rt::string_lift(bytes26) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l27 { + 0 => None, + 1 => { + let e = { + let l28 = *ptr0.add(52).cast::(); + l28 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestHeaderSize(e67) + } + 23 => { + let e67 = { + let l29 = i32::from(*ptr0.add(32).cast::()); + match l29 { + 0 => None, + 1 => { + let e = { + let l30 = *ptr0.add(36).cast::(); + l30 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestTrailerSectionSize(e67) + } + 24 => { + let e67 = { + let l31 = i32::from(*ptr0.add(32).cast::()); + let l35 = i32::from(*ptr0.add(44).cast::()); + FieldSizePayload { + field_name: match l31 { + 0 => None, + 1 => { + let e = { + let l32 = *ptr0.add(36).cast::<*mut u8>(); + let l33 = *ptr0.add(40).cast::(); + let len34 = l33; + let bytes34 = _rt::Vec::from_raw_parts( + l32.cast(), + len34, + len34, + ); + _rt::string_lift(bytes34) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l35 { + 0 => None, + 1 => { + let e = { + let l36 = *ptr0.add(48).cast::(); + l36 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpRequestTrailerSize(e67) + } + 25 => ErrorCode::HttpResponseIncomplete, + 26 => { + let e67 = { + let l37 = i32::from(*ptr0.add(32).cast::()); + match l37 { + 0 => None, + 1 => { + let e = { + let l38 = *ptr0.add(36).cast::(); + l38 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseHeaderSectionSize(e67) + } + 27 => { + let e67 = { + let l39 = i32::from(*ptr0.add(32).cast::()); + let l43 = i32::from(*ptr0.add(44).cast::()); + FieldSizePayload { + field_name: match l39 { + 0 => None, + 1 => { + let e = { + let l40 = *ptr0.add(36).cast::<*mut u8>(); + let l41 = *ptr0.add(40).cast::(); + let len42 = l41; + let bytes42 = _rt::Vec::from_raw_parts( + l40.cast(), + len42, + len42, + ); + _rt::string_lift(bytes42) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l43 { + 0 => None, + 1 => { + let e = { + let l44 = *ptr0.add(48).cast::(); + l44 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpResponseHeaderSize(e67) + } + 28 => { + let e67 = { + let l45 = i32::from(*ptr0.add(32).cast::()); + match l45 { + 0 => None, + 1 => { + let e = { + let l46 = *ptr0.add(40).cast::(); + l46 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseBodySize(e67) + } + 29 => { + let e67 = { + let l47 = i32::from(*ptr0.add(32).cast::()); + match l47 { + 0 => None, + 1 => { + let e = { + let l48 = *ptr0.add(36).cast::(); + l48 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseTrailerSectionSize(e67) + } + 30 => { + let e67 = { + let l49 = i32::from(*ptr0.add(32).cast::()); + let l53 = i32::from(*ptr0.add(44).cast::()); + FieldSizePayload { + field_name: match l49 { + 0 => None, + 1 => { + let e = { + let l50 = *ptr0.add(36).cast::<*mut u8>(); + let l51 = *ptr0.add(40).cast::(); + let len52 = l51; + let bytes52 = _rt::Vec::from_raw_parts( + l50.cast(), + len52, + len52, + ); + _rt::string_lift(bytes52) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l53 { + 0 => None, + 1 => { + let e = { + let l54 = *ptr0.add(48).cast::(); + l54 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpResponseTrailerSize(e67) + } + 31 => { + let e67 = { + let l55 = i32::from(*ptr0.add(32).cast::()); + match l55 { + 0 => None, + 1 => { + let e = { + let l56 = *ptr0.add(36).cast::<*mut u8>(); + let l57 = *ptr0.add(40).cast::(); + let len58 = l57; + let bytes58 = _rt::Vec::from_raw_parts( + l56.cast(), + len58, + len58, + ); + _rt::string_lift(bytes58) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseTransferCoding(e67) + } + 32 => { + let e67 = { + let l59 = i32::from(*ptr0.add(32).cast::()); + match l59 { + 0 => None, + 1 => { + let e = { + let l60 = *ptr0.add(36).cast::<*mut u8>(); + let l61 = *ptr0.add(40).cast::(); + let len62 = l61; + let bytes62 = _rt::Vec::from_raw_parts( + l60.cast(), + len62, + len62, + ); + _rt::string_lift(bytes62) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseContentCoding(e67) + } + 33 => ErrorCode::HttpResponseTimeout, + 34 => ErrorCode::HttpUpgradeFailed, + 35 => ErrorCode::HttpProtocolError, + 36 => ErrorCode::LoopDetected, + 37 => ErrorCode::ConfigurationError, + n => { + debug_assert_eq!(n, 38, "invalid enum discriminant"); + let e67 = { + let l63 = i32::from(*ptr0.add(32).cast::()); + match l63 { + 0 => None, + 1 => { + let e = { + let l64 = *ptr0.add(36).cast::<*mut u8>(); + let l65 = *ptr0.add(40).cast::(); + let len66 = l65; + let bytes66 = _rt::Vec::from_raw_parts( + l64.cast(), + len66, + len66, + ); + _rt::string_lift(bytes66) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::InternalError(e67) + } + }; + v67 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + } + } + #[allow(dead_code)] + pub mod io { + #[allow(dead_code, clippy::all)] + pub mod poll { + #[used] + #[doc(hidden)] + static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports; + use super::super::super::_rt; + /// `pollable` represents a single I/O event which may be ready, or not. + #[derive(Debug)] + #[repr(transparent)] + pub struct Pollable { + handle: _rt::Resource, + } + impl Pollable { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for Pollable { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:io/poll@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]pollable"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + impl Pollable { + #[allow(unused_unsafe, clippy::all)] + /// Return the readiness of a pollable. This function never blocks. + /// + /// Returns `true` when the pollable is ready, and `false` otherwise. + pub fn ready(&self) -> bool { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/poll@0.2.3")] + extern "C" { + #[link_name = "[method]pollable.ready"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + _rt::bool_lift(ret as u8) + } + } + } + impl Pollable { + #[allow(unused_unsafe, clippy::all)] + /// `block` returns immediately if the pollable is ready, and otherwise + /// blocks until ready. + /// + /// This function is equivalent to calling `poll.poll` on a list + /// containing only this pollable. + pub fn block(&self) { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/poll@0.2.3")] + extern "C" { + #[link_name = "[method]pollable.block"] + fn wit_import(_: i32); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) { + unreachable!() + } + wit_import((self).handle() as i32); + } + } + } + #[allow(unused_unsafe, clippy::all)] + /// Poll for completion on a set of pollables. + /// + /// This function takes a list of pollables, which identify I/O sources of + /// interest, and waits until one or more of the events is ready for I/O. + /// + /// The result `list` contains one or more indices of handles in the + /// argument list that is ready for I/O. + /// + /// This function traps if either: + /// - the list is empty, or: + /// - the list contains more elements than can be indexed with a `u32` value. + /// + /// A timeout can be implemented by adding a pollable from the + /// wasi-clocks API to the list. + /// + /// This function does not return a `result`; polling in itself does not + /// do any I/O so it doesn't fail. If any of the I/O sources identified by + /// the pollables has an error, it is indicated by marking the source as + /// being ready for I/O. + pub fn poll(in_: &[&Pollable]) -> _rt::Vec { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 8]); + let vec0 = in_; + let len0 = vec0.len(); + let layout0 = _rt::alloc::Layout::from_size_align_unchecked( + vec0.len() * 4, + 4, + ); + let result0 = if layout0.size() != 0 { + let ptr = _rt::alloc::alloc(layout0).cast::(); + if ptr.is_null() { + _rt::alloc::handle_alloc_error(layout0); + } + ptr + } else { + ::core::ptr::null_mut() + }; + for (i, e) in vec0.into_iter().enumerate() { + let base = result0.add(i * 4); + { + *base.add(0).cast::() = (e).handle() as i32; + } + } + let ptr1 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/poll@0.2.3")] + extern "C" { + #[link_name = "poll"] + fn wit_import(_: *mut u8, _: usize, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: *mut u8, _: usize, _: *mut u8) { + unreachable!() + } + wit_import(result0, len0, ptr1); + let l2 = *ptr1.add(0).cast::<*mut u8>(); + let l3 = *ptr1.add(4).cast::(); + let len4 = l3; + if layout0.size() != 0 { + _rt::alloc::dealloc(result0.cast(), layout0); + } + _rt::Vec::from_raw_parts(l2.cast(), len4, len4) + } + } + } + #[allow(dead_code, clippy::all)] + pub mod error { + #[used] + #[doc(hidden)] + static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports; + use super::super::super::_rt; + /// A resource which represents some error information. + /// + /// The only method provided by this resource is `to-debug-string`, + /// which provides some human-readable information about the error. + /// + /// In the `wasi:io` package, this resource is returned through the + /// `wasi:io/streams/stream-error` type. + /// + /// To provide more specific error information, other interfaces may + /// offer functions to "downcast" this error into more specific types. For example, + /// errors returned from streams derived from filesystem types can be described using + /// the filesystem's own error-code type. This is done using the function + /// `wasi:filesystem/types/filesystem-error-code`, which takes a `borrow` + /// parameter and returns an `option`. + /// + /// The set of functions which can "downcast" an `error` into a more + /// concrete type is open. + #[derive(Debug)] + #[repr(transparent)] + pub struct Error { + handle: _rt::Resource, + } + impl Error { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for Error { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:io/error@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]error"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + impl Error { + #[allow(unused_unsafe, clippy::all)] + /// Returns a string that is suitable to assist humans in debugging + /// this error. + /// + /// WARNING: The returned string should not be consumed mechanically! + /// It may change across platforms, hosts, or other implementation + /// details. Parsing this string is a major platform-compatibility + /// hazard. + pub fn to_debug_string(&self) -> _rt::String { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/error@0.2.3")] + extern "C" { + #[link_name = "[method]error.to-debug-string"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = *ptr0.add(0).cast::<*mut u8>(); + let l2 = *ptr0.add(4).cast::(); + let len3 = l2; + let bytes3 = _rt::Vec::from_raw_parts(l1.cast(), len3, len3); + _rt::string_lift(bytes3) + } + } + } + } + #[allow(dead_code, clippy::all)] + pub mod streams { + #[used] + #[doc(hidden)] + static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports; + use super::super::super::_rt; + pub type Error = super::super::super::wasi::io::error::Error; + pub type Pollable = super::super::super::wasi::io::poll::Pollable; + /// An error for input-stream and output-stream operations. + pub enum StreamError { + /// The last operation (a write or flush) failed before completion. + /// + /// More information is available in the `error` payload. + /// + /// After this, the stream will be closed. All future operations return + /// `stream-error::closed`. + LastOperationFailed(Error), + /// The stream is closed: no more input will be accepted by the + /// stream. A closed output-stream will return this error on all + /// future operations. + Closed, + } + impl ::core::fmt::Debug for StreamError { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + match self { + StreamError::LastOperationFailed(e) => { + f.debug_tuple("StreamError::LastOperationFailed") + .field(e) + .finish() + } + StreamError::Closed => { + f.debug_tuple("StreamError::Closed").finish() + } + } + } + } + impl ::core::fmt::Display for StreamError { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + write!(f, "{:?}", self) + } + } + impl std::error::Error for StreamError {} + /// An input bytestream. + /// + /// `input-stream`s are *non-blocking* to the extent practical on underlying + /// platforms. I/O operations always return promptly; if fewer bytes are + /// promptly available than requested, they return the number of bytes promptly + /// available, which could even be zero. To wait for data to be available, + /// use the `subscribe` function to obtain a `pollable` which can be polled + /// for using `wasi:io/poll`. + #[derive(Debug)] + #[repr(transparent)] + pub struct InputStream { + handle: _rt::Resource, + } + impl InputStream { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for InputStream { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]input-stream"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// An output bytestream. + /// + /// `output-stream`s are *non-blocking* to the extent practical on + /// underlying platforms. Except where specified otherwise, I/O operations also + /// always return promptly, after the number of bytes that can be written + /// promptly, which could even be zero. To wait for the stream to be ready to + /// accept data, the `subscribe` function to obtain a `pollable` which can be + /// polled for using `wasi:io/poll`. + /// + /// Dropping an `output-stream` while there's still an active write in + /// progress may result in the data being lost. Before dropping the stream, + /// be sure to fully flush your writes. + #[derive(Debug)] + #[repr(transparent)] + pub struct OutputStream { + handle: _rt::Resource, + } + impl OutputStream { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for OutputStream { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]output-stream"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + impl InputStream { + #[allow(unused_unsafe, clippy::all)] + /// Perform a non-blocking read from the stream. + /// + /// When the source of a `read` is binary data, the bytes from the source + /// are returned verbatim. When the source of a `read` is known to the + /// implementation to be text, bytes containing the UTF-8 encoding of the + /// text are returned. + /// + /// This function returns a list of bytes containing the read data, + /// when successful. The returned list will contain up to `len` bytes; + /// it may return fewer than requested, but not more. The list is + /// empty when no bytes are available for reading at this time. The + /// pollable given by `subscribe` will be ready when more bytes are + /// available. + /// + /// This function fails with a `stream-error` when the operation + /// encounters an error, giving `last-operation-failed`, or when the + /// stream is closed, giving `closed`. + /// + /// When the caller gives a `len` of 0, it represents a request to + /// read 0 bytes. If the stream is still open, this call should + /// succeed and return an empty list, or otherwise fail with `closed`. + /// + /// The `len` parameter is a `u64`, which could represent a list of u8 which + /// is not possible to allocate in wasm32, or not desirable to allocate as + /// as a return value by the callee. The callee may return a list of bytes + /// less than `len` in size while more bytes are available for reading. + pub fn read(&self, len: u64) -> Result<_rt::Vec, StreamError> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]input-stream.read"] + fn wit_import(_: i32, _: i64, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i64, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, _rt::as_i64(&len), ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(4).cast::<*mut u8>(); + let l3 = *ptr0.add(8).cast::(); + let len4 = l3; + _rt::Vec::from_raw_parts(l2.cast(), len4, len4) + }; + Ok(e) + } + 1 => { + let e = { + let l5 = i32::from(*ptr0.add(4).cast::()); + let v7 = match l5 { + 0 => { + let e7 = { + let l6 = *ptr0.add(8).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l6 as u32, + ) + }; + StreamError::LastOperationFailed(e7) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v7 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl InputStream { + #[allow(unused_unsafe, clippy::all)] + /// Read bytes from a stream, after blocking until at least one byte can + /// be read. Except for blocking, behavior is identical to `read`. + pub fn blocking_read( + &self, + len: u64, + ) -> Result<_rt::Vec, StreamError> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]input-stream.blocking-read"] + fn wit_import(_: i32, _: i64, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i64, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, _rt::as_i64(&len), ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(4).cast::<*mut u8>(); + let l3 = *ptr0.add(8).cast::(); + let len4 = l3; + _rt::Vec::from_raw_parts(l2.cast(), len4, len4) + }; + Ok(e) + } + 1 => { + let e = { + let l5 = i32::from(*ptr0.add(4).cast::()); + let v7 = match l5 { + 0 => { + let e7 = { + let l6 = *ptr0.add(8).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l6 as u32, + ) + }; + StreamError::LastOperationFailed(e7) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v7 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl InputStream { + #[allow(unused_unsafe, clippy::all)] + /// Skip bytes from a stream. Returns number of bytes skipped. + /// + /// Behaves identical to `read`, except instead of returning a list + /// of bytes, returns the number of bytes consumed from the stream. + pub fn skip(&self, len: u64) -> Result { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]input-stream.skip"] + fn wit_import(_: i32, _: i64, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i64, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, _rt::as_i64(&len), ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(8).cast::(); + l2 as u64 + }; + Ok(e) + } + 1 => { + let e = { + let l3 = i32::from(*ptr0.add(8).cast::()); + let v5 = match l3 { + 0 => { + let e5 = { + let l4 = *ptr0.add(12).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l4 as u32, + ) + }; + StreamError::LastOperationFailed(e5) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v5 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl InputStream { + #[allow(unused_unsafe, clippy::all)] + /// Skip bytes from a stream, after blocking until at least one byte + /// can be skipped. Except for blocking behavior, identical to `skip`. + pub fn blocking_skip(&self, len: u64) -> Result { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]input-stream.blocking-skip"] + fn wit_import(_: i32, _: i64, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i64, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, _rt::as_i64(&len), ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(8).cast::(); + l2 as u64 + }; + Ok(e) + } + 1 => { + let e = { + let l3 = i32::from(*ptr0.add(8).cast::()); + let v5 = match l3 { + 0 => { + let e5 = { + let l4 = *ptr0.add(12).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l4 as u32, + ) + }; + StreamError::LastOperationFailed(e5) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v5 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl InputStream { + #[allow(unused_unsafe, clippy::all)] + /// Create a `pollable` which will resolve once either the specified stream + /// has bytes available to read or the other end of the stream has been + /// closed. + /// The created `pollable` is a child resource of the `input-stream`. + /// Implementations may trap if the `input-stream` is dropped before + /// all derived `pollable`s created with this function are dropped. + pub fn subscribe(&self) -> Pollable { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]input-stream.subscribe"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + super::super::super::wasi::io::poll::Pollable::from_handle( + ret as u32, + ) + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Check readiness for writing. This function never blocks. + /// + /// Returns the number of bytes permitted for the next call to `write`, + /// or an error. Calling `write` with more bytes than this function has + /// permitted will trap. + /// + /// When this function returns 0 bytes, the `subscribe` pollable will + /// become ready when this function will report at least 1 byte, or an + /// error. + pub fn check_write(&self) -> Result { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.check-write"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(8).cast::(); + l2 as u64 + }; + Ok(e) + } + 1 => { + let e = { + let l3 = i32::from(*ptr0.add(8).cast::()); + let v5 = match l3 { + 0 => { + let e5 = { + let l4 = *ptr0.add(12).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l4 as u32, + ) + }; + StreamError::LastOperationFailed(e5) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v5 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Perform a write. This function never blocks. + /// + /// When the destination of a `write` is binary data, the bytes from + /// `contents` are written verbatim. When the destination of a `write` is + /// known to the implementation to be text, the bytes of `contents` are + /// transcoded from UTF-8 into the encoding of the destination and then + /// written. + /// + /// Precondition: check-write gave permit of Ok(n) and contents has a + /// length of less than or equal to n. Otherwise, this function will trap. + /// + /// returns Err(closed) without writing if the stream has closed since + /// the last call to check-write provided a permit. + pub fn write(&self, contents: &[u8]) -> Result<(), StreamError> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let vec0 = contents; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + let ptr1 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.write"] + fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0.cast_mut(), len0, ptr1); + let l2 = i32::from(*ptr1.add(0).cast::()); + match l2 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l3 = i32::from(*ptr1.add(4).cast::()); + let v5 = match l3 { + 0 => { + let e5 = { + let l4 = *ptr1.add(8).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l4 as u32, + ) + }; + StreamError::LastOperationFailed(e5) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v5 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Perform a write of up to 4096 bytes, and then flush the stream. Block + /// until all of these operations are complete, or an error occurs. + /// + /// This is a convenience wrapper around the use of `check-write`, + /// `subscribe`, `write`, and `flush`, and is implemented with the + /// following pseudo-code: + /// + /// ```text + /// let pollable = this.subscribe(); + /// while !contents.is_empty() { + /// // Wait for the stream to become writable + /// pollable.block(); + /// let Ok(n) = this.check-write(); // eliding error handling + /// let len = min(n, contents.len()); + /// let (chunk, rest) = contents.split_at(len); + /// this.write(chunk ); // eliding error handling + /// contents = rest; + /// } + /// this.flush(); + /// // Wait for completion of `flush` + /// pollable.block(); + /// // Check for any errors that arose during `flush` + /// let _ = this.check-write(); // eliding error handling + /// ``` + pub fn blocking_write_and_flush( + &self, + contents: &[u8], + ) -> Result<(), StreamError> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let vec0 = contents; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + let ptr1 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.blocking-write-and-flush"] + fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0.cast_mut(), len0, ptr1); + let l2 = i32::from(*ptr1.add(0).cast::()); + match l2 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l3 = i32::from(*ptr1.add(4).cast::()); + let v5 = match l3 { + 0 => { + let e5 = { + let l4 = *ptr1.add(8).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l4 as u32, + ) + }; + StreamError::LastOperationFailed(e5) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v5 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Request to flush buffered output. This function never blocks. + /// + /// This tells the output-stream that the caller intends any buffered + /// output to be flushed. the output which is expected to be flushed + /// is all that has been passed to `write` prior to this call. + /// + /// Upon calling this function, the `output-stream` will not accept any + /// writes (`check-write` will return `ok(0)`) until the flush has + /// completed. The `subscribe` pollable will become ready when the + /// flush has completed and the stream can accept more writes. + pub fn flush(&self) -> Result<(), StreamError> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.flush"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l2 = i32::from(*ptr0.add(4).cast::()); + let v4 = match l2 { + 0 => { + let e4 = { + let l3 = *ptr0.add(8).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l3 as u32, + ) + }; + StreamError::LastOperationFailed(e4) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v4 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Request to flush buffered output, and block until flush completes + /// and stream is ready for writing again. + pub fn blocking_flush(&self) -> Result<(), StreamError> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.blocking-flush"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l2 = i32::from(*ptr0.add(4).cast::()); + let v4 = match l2 { + 0 => { + let e4 = { + let l3 = *ptr0.add(8).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l3 as u32, + ) + }; + StreamError::LastOperationFailed(e4) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v4 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Create a `pollable` which will resolve once the output-stream + /// is ready for more writing, or an error has occurred. When this + /// pollable is ready, `check-write` will return `ok(n)` with n>0, or an + /// error. + /// + /// If the stream is closed, this pollable is always ready immediately. + /// + /// The created `pollable` is a child resource of the `output-stream`. + /// Implementations may trap if the `output-stream` is dropped before + /// all derived `pollable`s created with this function are dropped. + pub fn subscribe(&self) -> Pollable { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.subscribe"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + super::super::super::wasi::io::poll::Pollable::from_handle( + ret as u32, + ) + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Write zeroes to a stream. + /// + /// This should be used precisely like `write` with the exact same + /// preconditions (must use check-write first), but instead of + /// passing a list of bytes, you simply pass the number of zero-bytes + /// that should be written. + pub fn write_zeroes(&self, len: u64) -> Result<(), StreamError> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.write-zeroes"] + fn wit_import(_: i32, _: i64, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i64, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, _rt::as_i64(&len), ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l2 = i32::from(*ptr0.add(4).cast::()); + let v4 = match l2 { + 0 => { + let e4 = { + let l3 = *ptr0.add(8).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l3 as u32, + ) + }; + StreamError::LastOperationFailed(e4) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v4 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Perform a write of up to 4096 zeroes, and then flush the stream. + /// Block until all of these operations are complete, or an error + /// occurs. + /// + /// This is a convenience wrapper around the use of `check-write`, + /// `subscribe`, `write-zeroes`, and `flush`, and is implemented with + /// the following pseudo-code: + /// + /// ```text + /// let pollable = this.subscribe(); + /// while num_zeroes != 0 { + /// // Wait for the stream to become writable + /// pollable.block(); + /// let Ok(n) = this.check-write(); // eliding error handling + /// let len = min(n, num_zeroes); + /// this.write-zeroes(len); // eliding error handling + /// num_zeroes -= len; + /// } + /// this.flush(); + /// // Wait for completion of `flush` + /// pollable.block(); + /// // Check for any errors that arose during `flush` + /// let _ = this.check-write(); // eliding error handling + /// ``` + pub fn blocking_write_zeroes_and_flush( + &self, + len: u64, + ) -> Result<(), StreamError> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.blocking-write-zeroes-and-flush"] + fn wit_import(_: i32, _: i64, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i64, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, _rt::as_i64(&len), ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l2 = i32::from(*ptr0.add(4).cast::()); + let v4 = match l2 { + 0 => { + let e4 = { + let l3 = *ptr0.add(8).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l3 as u32, + ) + }; + StreamError::LastOperationFailed(e4) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v4 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Read from one stream and write to another. + /// + /// The behavior of splice is equivalent to: + /// 1. calling `check-write` on the `output-stream` + /// 2. calling `read` on the `input-stream` with the smaller of the + /// `check-write` permitted length and the `len` provided to `splice` + /// 3. calling `write` on the `output-stream` with that read data. + /// + /// Any error reported by the call to `check-write`, `read`, or + /// `write` ends the splice and reports that error. + /// + /// This function returns the number of bytes transferred; it may be less + /// than `len`. + pub fn splice( + &self, + src: &InputStream, + len: u64, + ) -> Result { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.splice"] + fn wit_import(_: i32, _: i32, _: i64, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32, _: i64, _: *mut u8) { + unreachable!() + } + wit_import( + (self).handle() as i32, + (src).handle() as i32, + _rt::as_i64(&len), + ptr0, + ); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(8).cast::(); + l2 as u64 + }; + Ok(e) + } + 1 => { + let e = { + let l3 = i32::from(*ptr0.add(8).cast::()); + let v5 = match l3 { + 0 => { + let e5 = { + let l4 = *ptr0.add(12).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l4 as u32, + ) + }; + StreamError::LastOperationFailed(e5) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v5 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Read from one stream and write to another, with blocking. + /// + /// This is similar to `splice`, except that it blocks until the + /// `output-stream` is ready for writing, and the `input-stream` + /// is ready for reading, before performing the `splice`. + pub fn blocking_splice( + &self, + src: &InputStream, + len: u64, + ) -> Result { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.blocking-splice"] + fn wit_import(_: i32, _: i32, _: i64, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32, _: i64, _: *mut u8) { + unreachable!() + } + wit_import( + (self).handle() as i32, + (src).handle() as i32, + _rt::as_i64(&len), + ptr0, + ); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(8).cast::(); + l2 as u64 + }; + Ok(e) + } + 1 => { + let e = { + let l3 = i32::from(*ptr0.add(8).cast::()); + let v5 = match l3 { + 0 => { + let e5 = { + let l4 = *ptr0.add(12).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l4 as u32, + ) + }; + StreamError::LastOperationFailed(e5) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v5 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + } + } +} +#[allow(dead_code)] +pub mod exports { + #[allow(dead_code)] + pub mod wasi { + #[allow(dead_code)] + pub mod http { + #[allow(dead_code, clippy::all)] + pub mod incoming_handler { + #[used] + #[doc(hidden)] + static __FORCE_SECTION_REF: fn() = super::super::super::super::__link_custom_section_describing_imports; + use super::super::super::super::_rt; + pub type IncomingRequest = super::super::super::super::wasi::http::types::IncomingRequest; + pub type ResponseOutparam = super::super::super::super::wasi::http::types::ResponseOutparam; + #[doc(hidden)] + #[allow(non_snake_case)] + pub unsafe fn _export_handle_cabi(arg0: i32, arg1: i32) { + #[cfg(target_arch = "wasm32")] _rt::run_ctors_once(); + T::handle( + super::super::super::super::wasi::http::types::IncomingRequest::from_handle( + arg0 as u32, + ), + super::super::super::super::wasi::http::types::ResponseOutparam::from_handle( + arg1 as u32, + ), + ); + } + pub trait Guest { + /// This function is invoked with an incoming HTTP Request, and a resource + /// `response-outparam` which provides the capability to reply with an HTTP + /// Response. The response is sent by calling the `response-outparam.set` + /// method, which allows execution to continue after the response has been + /// sent. This enables both streaming to the response body, and performing other + /// work. + /// + /// The implementor of this function must write a response to the + /// `response-outparam` before returning, or else the caller will respond + /// with an error on its behalf. + fn handle(request: IncomingRequest, response_out: ResponseOutparam); + } + #[doc(hidden)] + macro_rules! __export_wasi_http_incoming_handler_0_2_3_cabi { + ($ty:ident with_types_in $($path_to_types:tt)*) => { + const _ : () = { #[export_name = + "wasi:http/incoming-handler@0.2.3#handle"] unsafe extern "C" fn + export_handle(arg0 : i32, arg1 : i32,) { $($path_to_types)*:: + _export_handle_cabi::<$ty > (arg0, arg1) } }; + }; + } + #[doc(hidden)] + pub(crate) use __export_wasi_http_incoming_handler_0_2_3_cabi; + } + } + } +} +mod _rt { + use core::fmt; + use core::marker; + use core::sync::atomic::{AtomicU32, Ordering::Relaxed}; + /// A type which represents a component model resource, either imported or + /// exported into this component. + /// + /// This is a low-level wrapper which handles the lifetime of the resource + /// (namely this has a destructor). The `T` provided defines the component model + /// intrinsics that this wrapper uses. + /// + /// One of the chief purposes of this type is to provide `Deref` implementations + /// to access the underlying data when it is owned. + /// + /// This type is primarily used in generated code for exported and imported + /// resources. + #[repr(transparent)] + pub struct Resource { + handle: AtomicU32, + _marker: marker::PhantomData, + } + /// A trait which all wasm resources implement, namely providing the ability to + /// drop a resource. + /// + /// This generally is implemented by generated code, not user-facing code. + #[allow(clippy::missing_safety_doc)] + pub unsafe trait WasmResource { + /// Invokes the `[resource-drop]...` intrinsic. + unsafe fn drop(handle: u32); + } + impl Resource { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + debug_assert!(handle != u32::MAX); + Self { + handle: AtomicU32::new(handle), + _marker: marker::PhantomData, + } + } + /// Takes ownership of the handle owned by `resource`. + /// + /// Note that this ideally would be `into_handle` taking `Resource` by + /// ownership. The code generator does not enable that in all situations, + /// unfortunately, so this is provided instead. + /// + /// Also note that `take_handle` is in theory only ever called on values + /// owned by a generated function. For example a generated function might + /// take `Resource` as an argument but then call `take_handle` on a + /// reference to that argument. In that sense the dynamic nature of + /// `take_handle` should only be exposed internally to generated code, not + /// to user code. + #[doc(hidden)] + pub fn take_handle(resource: &Resource) -> u32 { + resource.handle.swap(u32::MAX, Relaxed) + } + #[doc(hidden)] + pub fn handle(resource: &Resource) -> u32 { + resource.handle.load(Relaxed) + } + } + impl fmt::Debug for Resource { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + f.debug_struct("Resource").field("handle", &self.handle).finish() + } + } + impl Drop for Resource { + fn drop(&mut self) { + unsafe { + match self.handle.load(Relaxed) { + u32::MAX => {} + other => T::drop(other), + } + } + } + } + pub unsafe fn bool_lift(val: u8) -> bool { + if cfg!(debug_assertions) { + match val { + 0 => false, + 1 => true, + _ => panic!("invalid bool discriminant"), + } + } else { + val != 0 + } + } + pub use alloc_crate::vec::Vec; + pub use alloc_crate::alloc; + pub fn as_i64(t: T) -> i64 { + t.as_i64() + } + pub trait AsI64 { + fn as_i64(self) -> i64; + } + impl<'a, T: Copy + AsI64> AsI64 for &'a T { + fn as_i64(self) -> i64 { + (*self).as_i64() + } + } + impl AsI64 for i64 { + #[inline] + fn as_i64(self) -> i64 { + self as i64 + } + } + impl AsI64 for u64 { + #[inline] + fn as_i64(self) -> i64 { + self as i64 + } + } + pub use alloc_crate::string::String; + pub unsafe fn string_lift(bytes: Vec) -> String { + if cfg!(debug_assertions) { + String::from_utf8(bytes).unwrap() + } else { + String::from_utf8_unchecked(bytes) + } + } + pub unsafe fn invalid_enum_discriminant() -> T { + if cfg!(debug_assertions) { + panic!("invalid enum discriminant") + } else { + core::hint::unreachable_unchecked() + } + } + pub unsafe fn cabi_dealloc(ptr: *mut u8, size: usize, align: usize) { + if size == 0 { + return; + } + let layout = alloc::Layout::from_size_align_unchecked(size, align); + alloc::dealloc(ptr, layout); + } + pub fn as_i32(t: T) -> i32 { + t.as_i32() + } + pub trait AsI32 { + fn as_i32(self) -> i32; + } + impl<'a, T: Copy + AsI32> AsI32 for &'a T { + fn as_i32(self) -> i32 { + (*self).as_i32() + } + } + impl AsI32 for i32 { + #[inline] + fn as_i32(self) -> i32 { + self as i32 + } + } + impl AsI32 for u32 { + #[inline] + fn as_i32(self) -> i32 { + self as i32 + } + } + impl AsI32 for i16 { + #[inline] + fn as_i32(self) -> i32 { + self as i32 + } + } + impl AsI32 for u16 { + #[inline] + fn as_i32(self) -> i32 { + self as i32 + } + } + impl AsI32 for i8 { + #[inline] + fn as_i32(self) -> i32 { + self as i32 + } + } + impl AsI32 for u8 { + #[inline] + fn as_i32(self) -> i32 { + self as i32 + } + } + impl AsI32 for char { + #[inline] + fn as_i32(self) -> i32 { + self as i32 + } + } + impl AsI32 for usize { + #[inline] + fn as_i32(self) -> i32 { + self as i32 + } + } + #[cfg(target_arch = "wasm32")] + pub fn run_ctors_once() { + wit_bindgen_rt::run_ctors_once(); + } + extern crate alloc as alloc_crate; +} +/// Generates `#[no_mangle]` functions to export the specified type as the +/// root implementation of all generated traits. +/// +/// For more information see the documentation of `wit_bindgen::generate!`. +/// +/// ```rust +/// # macro_rules! export{ ($($t:tt)*) => (); } +/// # trait Guest {} +/// struct MyType; +/// +/// impl Guest for MyType { +/// // ... +/// } +/// +/// export!(MyType); +/// ``` +#[allow(unused_macros)] +#[doc(hidden)] +macro_rules! __export_api_impl { + ($ty:ident) => { + self::export!($ty with_types_in self); + }; + ($ty:ident with_types_in $($path_to_types_root:tt)*) => { + $($path_to_types_root)*:: + exports::wasi::http::incoming_handler::__export_wasi_http_incoming_handler_0_2_3_cabi!($ty + with_types_in $($path_to_types_root)*:: exports::wasi::http::incoming_handler); + }; +} +#[doc(inline)] +pub(crate) use __export_api_impl as export; +#[cfg(target_arch = "wasm32")] +#[link_section = "component-type:wit-bindgen:0.35.0:golem:handler:api:encoded world"] +#[doc(hidden)] +pub static __WIT_BINDGEN_COMPONENT_TYPE: [u8; 6330] = *b"\ 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+\x02\x0dwit-component\x070.220.0\x10wit-bindgen-rust\x060.35.0"; +#[inline(never)] +#[doc(hidden)] +pub fn __link_custom_section_describing_imports() { + wit_bindgen_rt::maybe_link_cabi_realloc(); +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/src/lib.rs b/test-components/wasi-http-incoming-request-handler-echo/src/lib.rs new file mode 100644 index 0000000000..002b024c5d --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/src/lib.rs @@ -0,0 +1,95 @@ +mod bindings; + +pub use bindings::wasi::http::types::{ + Fields, IncomingRequest, OutgoingBody, OutgoingResponse, ResponseOutparam, +}; + +use self::bindings::wasi::http::types::{IncomingBody, Method, Scheme}; + +struct Component; + +impl bindings::exports::wasi::http::incoming_handler::Guest for Component { + fn handle(request: IncomingRequest, outparam: ResponseOutparam) { + let hdrs = Fields::new(); + + for (header_name, header_value) in request.headers().entries() { + hdrs.append(&format!("echo-{header_name}"), &header_value).unwrap(); + } + + { + let scheme_string = match request.scheme().unwrap() { + Scheme::Http => "http".to_string(), + Scheme::Https => "https".to_string(), + Scheme::Other(inner) => inner + }; + + let location_string = format!("{}://{}{}", scheme_string, request.authority().unwrap(), request.path_with_query().unwrap()); + hdrs.append(&"x-location".to_string(), &location_string.into_bytes()).unwrap(); + } + + { + let method_string = match request.method() { + Method::Get => "GET".to_string(), + Method::Connect => "Connect".to_string(), + Method::Post => "POST".to_string(), + Method::Put => "PUT".to_string(), + Method::Delete => "DELETE".to_string(), + Method::Head => "HEAD".to_string(), + Method::Options => "OPTIONS".to_string(), + Method::Patch => "PATCH".to_string(), + Method::Trace => "TRACE".to_string(), + Method::Other(inner) => inner + }; + hdrs.append(&"x-method".to_string(), &method_string.into_bytes()).unwrap(); + } + + + let incoming_body: IncomingBody = request.consume().unwrap(); + + let mut incoming_body_data: Vec = Vec::new(); + { + let incoming_body_stream = incoming_body.stream().unwrap(); + loop { + let item = match incoming_body_stream.blocking_read(1024) { + Ok(x) => x, + Err(_) => break, + }; + if item.is_empty() { + break; + } + for i in item.into_iter() { + incoming_body_data.push(i); + } + } + } + + let mut outgoing_trailers = None; + { + let future_trailers = IncomingBody::finish(incoming_body); + future_trailers.subscribe().block(); + let trailers = future_trailers.get().unwrap().unwrap().unwrap(); + if let Some(trailers) = trailers { + let actual_outgoing_trailers = Fields::new(); + for (trailer_name, trailer_value) in trailers.entries() { + actual_outgoing_trailers.append(&format!("echo-{trailer_name}"), &trailer_value).unwrap(); + } + outgoing_trailers = Some(actual_outgoing_trailers); + } + } + + let resp = OutgoingResponse::new(hdrs); + let body = resp.body().unwrap(); + + ResponseOutparam::set(outparam, Ok(resp)); + + { + let out = body.write().unwrap(); + out.blocking_write_and_flush(&incoming_body_data).unwrap(); + drop(out); + } + + OutgoingBody::finish(body, outgoing_trailers).unwrap(); + } +} + +bindings::export!(Component with_types_in bindings); diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps.lock b/test-components/wasi-http-incoming-request-handler-echo/wit/deps.lock new file mode 100644 index 0000000000..b97967bf09 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps.lock @@ -0,0 +1,29 @@ +[cli] +sha256 = "4dadd13d55aaf626833d1f4b9c34a17b0f04e993babd09552b785cda3b95ea76" +sha512 = "898dcc4e8c15d18acc6b88dbe232336fa4d19019430a910dbc9e7aeaace3077a164af3be9f002de6e7e65ef693df340801ac0c7e421e9a746bf1b6d698a90835" + +[clocks] +sha256 = "93a701968a7dd3c5d69031bc0601681c468972fdf7e28a93bb6150a67d6ebe8b" +sha512 = "98fca567c7a01887b0fb38981f1772169b6ea8de475b546508f8b86738d84e44ba95cae81def40ac34e8809f5f60e85224077ab8cb6d6d5d6296acc1df73c159" + +[filesystem] +sha256 = "69d42fb10a04a33545b17e055f13db9b1e10e82ba0ed5bdb52334e40dc07c679" +sha512 = "612effbac6f4804fe0c29dae20b78bbba59e52cb754c15402f5fe229c3153a221e0fbdff1d9d00ceaa3fe049c6a95523a5b99f772f1c16d972eade2c88326a30" + +[http] +url = "https://github.com/WebAssembly/wasi-http/archive/v0.2.3.tar.gz" +sha256 = "72d3a00dbf39eed40a134e8b1dee85834961153f9d205ee4dd56657270c084ce" +sha512 = "636150c464c0eb3d60bd212fc5d4012638c8cd4f89b583b87a38154ef99de828aac4296ac13c5cface10ee61e164fcfc43a5c104f916229dfdf49c0d11047677" +deps = ["cli", "clocks", "filesystem", "io", "random", "sockets"] + +[io] +sha256 = "1cccbfe4122686ea57a25cd368e8cdfc408cbcad089f47fb6685b6f92e96f050" +sha512 = "7a95f964c13da52611141acd89bc8876226497f128e99dd176a4270c5b5efbd8cc847b5fbd1a91258d028c646db99e0424d72590cf1caf20f9f3a3343fad5017" + +[random] +sha256 = "dd0c91e7125172eb8fd4568e15ad9fc7305643015e6ece4396c3cc5e8c2bf79a" +sha512 = "d1ca2e7b0616a94a3b39d1b9450bb3fb595b01fd94a8626ad75433038dde40988ecb41ab93a374d569ab72163af3b30038d7bfc3499b9c07193181f4f1d9292a" + +[sockets] +sha256 = "2bc0f65a8046207ee3330ad7d63f6fafeafd4cc0ea4084f081bd5e4f7b177e74" +sha512 = "3e5490e41547dffa78d52631825d93da8d60f4af0246cbaf97e1ecb879285953a86d5f1f390b10c32f91dd7eaec6f43e625a26b1c92c32a0c86fde428aedaaab" diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps.toml b/test-components/wasi-http-incoming-request-handler-echo/wit/deps.toml new file mode 100644 index 0000000000..64ca58191a --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps.toml @@ -0,0 +1 @@ +http = "https://github.com/WebAssembly/wasi-http/archive/v0.2.3.tar.gz" diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/command.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/command.wit new file mode 100644 index 0000000000..3a81766d64 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/command.wit @@ -0,0 +1,10 @@ +package wasi:cli@0.2.3; + +@since(version = 0.2.0) +world command { + @since(version = 0.2.0) + include imports; + + @since(version = 0.2.0) + export run; +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/environment.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/environment.wit new file mode 100644 index 0000000000..2f449bd7c1 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/environment.wit @@ -0,0 +1,22 @@ +@since(version = 0.2.0) +interface environment { + /// Get the POSIX-style environment variables. + /// + /// Each environment variable is provided as a pair of string variable names + /// and string value. + /// + /// Morally, these are a value import, but until value imports are available + /// in the component model, this import function should return the same + /// values each time it is called. + @since(version = 0.2.0) + get-environment: func() -> list>; + + /// Get the POSIX-style arguments to the program. + @since(version = 0.2.0) + get-arguments: func() -> list; + + /// Return a path that programs should use as their initial current working + /// directory, interpreting `.` as shorthand for this. + @since(version = 0.2.0) + initial-cwd: func() -> option; +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/exit.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/exit.wit new file mode 100644 index 0000000000..427935c8d0 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/exit.wit @@ -0,0 +1,17 @@ +@since(version = 0.2.0) +interface exit { + /// Exit the current instance and any linked instances. + @since(version = 0.2.0) + exit: func(status: result); + + /// Exit the current instance and any linked instances, reporting the + /// specified status code to the host. + /// + /// The meaning of the code depends on the context, with 0 usually meaning + /// "success", and other values indicating various types of failure. + /// + /// This function does not return; the effect is analogous to a trap, but + /// without the connotation that something bad has happened. + @unstable(feature = cli-exit-with-code) + exit-with-code: func(status-code: u8); +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/imports.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/imports.wit new file mode 100644 index 0000000000..8b4e3975ec --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/imports.wit @@ -0,0 +1,36 @@ +package wasi:cli@0.2.3; + +@since(version = 0.2.0) +world imports { + @since(version = 0.2.0) + include wasi:clocks/imports@0.2.3; + @since(version = 0.2.0) + include wasi:filesystem/imports@0.2.3; + @since(version = 0.2.0) + include wasi:sockets/imports@0.2.3; + @since(version = 0.2.0) + include wasi:random/imports@0.2.3; + @since(version = 0.2.0) + include wasi:io/imports@0.2.3; + + @since(version = 0.2.0) + import environment; + @since(version = 0.2.0) + import exit; + @since(version = 0.2.0) + import stdin; + @since(version = 0.2.0) + import stdout; + @since(version = 0.2.0) + import stderr; + @since(version = 0.2.0) + import terminal-input; + @since(version = 0.2.0) + import terminal-output; + @since(version = 0.2.0) + import terminal-stdin; + @since(version = 0.2.0) + import terminal-stdout; + @since(version = 0.2.0) + import terminal-stderr; +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/run.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/run.wit new file mode 100644 index 0000000000..655346efb6 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/run.wit @@ -0,0 +1,6 @@ +@since(version = 0.2.0) +interface run { + /// Run the program. + @since(version = 0.2.0) + run: func() -> result; +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/stdio.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/stdio.wit new file mode 100644 index 0000000000..1b54f5318a --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/stdio.wit @@ -0,0 +1,26 @@ +@since(version = 0.2.0) +interface stdin { + @since(version = 0.2.0) + use wasi:io/streams@0.2.3.{input-stream}; + + @since(version = 0.2.0) + get-stdin: func() -> input-stream; +} + +@since(version = 0.2.0) +interface stdout { + @since(version = 0.2.0) + use wasi:io/streams@0.2.3.{output-stream}; + + @since(version = 0.2.0) + get-stdout: func() -> output-stream; +} + +@since(version = 0.2.0) +interface stderr { + @since(version = 0.2.0) + use wasi:io/streams@0.2.3.{output-stream}; + + @since(version = 0.2.0) + get-stderr: func() -> output-stream; +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/terminal.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/terminal.wit new file mode 100644 index 0000000000..d305498c64 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/cli/terminal.wit @@ -0,0 +1,62 @@ +/// Terminal input. +/// +/// In the future, this may include functions for disabling echoing, +/// disabling input buffering so that keyboard events are sent through +/// immediately, querying supported features, and so on. +@since(version = 0.2.0) +interface terminal-input { + /// The input side of a terminal. + @since(version = 0.2.0) + resource terminal-input; +} + +/// Terminal output. +/// +/// In the future, this may include functions for querying the terminal +/// size, being notified of terminal size changes, querying supported +/// features, and so on. +@since(version = 0.2.0) +interface terminal-output { + /// The output side of a terminal. + @since(version = 0.2.0) + resource terminal-output; +} + +/// An interface providing an optional `terminal-input` for stdin as a +/// link-time authority. +@since(version = 0.2.0) +interface terminal-stdin { + @since(version = 0.2.0) + use terminal-input.{terminal-input}; + + /// If stdin is connected to a terminal, return a `terminal-input` handle + /// allowing further interaction with it. + @since(version = 0.2.0) + get-terminal-stdin: func() -> option; +} + +/// An interface providing an optional `terminal-output` for stdout as a +/// link-time authority. +@since(version = 0.2.0) +interface terminal-stdout { + @since(version = 0.2.0) + use terminal-output.{terminal-output}; + + /// If stdout is connected to a terminal, return a `terminal-output` handle + /// allowing further interaction with it. + @since(version = 0.2.0) + get-terminal-stdout: func() -> option; +} + +/// An interface providing an optional `terminal-output` for stderr as a +/// link-time authority. +@since(version = 0.2.0) +interface terminal-stderr { + @since(version = 0.2.0) + use terminal-output.{terminal-output}; + + /// If stderr is connected to a terminal, return a `terminal-output` handle + /// allowing further interaction with it. + @since(version = 0.2.0) + get-terminal-stderr: func() -> option; +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/clocks/monotonic-clock.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/clocks/monotonic-clock.wit new file mode 100644 index 0000000000..c676fb84d8 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/clocks/monotonic-clock.wit @@ -0,0 +1,50 @@ +package wasi:clocks@0.2.3; +/// WASI Monotonic Clock is a clock API intended to let users measure elapsed +/// time. +/// +/// It is intended to be portable at least between Unix-family platforms and +/// Windows. +/// +/// A monotonic clock is a clock which has an unspecified initial value, and +/// successive reads of the clock will produce non-decreasing values. +@since(version = 0.2.0) +interface monotonic-clock { + @since(version = 0.2.0) + use wasi:io/poll@0.2.3.{pollable}; + + /// An instant in time, in nanoseconds. An instant is relative to an + /// unspecified initial value, and can only be compared to instances from + /// the same monotonic-clock. + @since(version = 0.2.0) + type instant = u64; + + /// A duration of time, in nanoseconds. + @since(version = 0.2.0) + type duration = u64; + + /// Read the current value of the clock. + /// + /// The clock is monotonic, therefore calling this function repeatedly will + /// produce a sequence of non-decreasing values. + @since(version = 0.2.0) + now: func() -> instant; + + /// Query the resolution of the clock. Returns the duration of time + /// corresponding to a clock tick. + @since(version = 0.2.0) + resolution: func() -> duration; + + /// Create a `pollable` which will resolve once the specified instant + /// has occurred. + @since(version = 0.2.0) + subscribe-instant: func( + when: instant, + ) -> pollable; + + /// Create a `pollable` that will resolve after the specified duration has + /// elapsed from the time this function is invoked. + @since(version = 0.2.0) + subscribe-duration: func( + when: duration, + ) -> pollable; +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/clocks/timezone.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/clocks/timezone.wit new file mode 100644 index 0000000000..b43e93b233 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/clocks/timezone.wit @@ -0,0 +1,55 @@ +package wasi:clocks@0.2.3; + +@unstable(feature = clocks-timezone) +interface timezone { + @unstable(feature = clocks-timezone) + use wall-clock.{datetime}; + + /// Return information needed to display the given `datetime`. This includes + /// the UTC offset, the time zone name, and a flag indicating whether + /// daylight saving time is active. + /// + /// If the timezone cannot be determined for the given `datetime`, return a + /// `timezone-display` for `UTC` with a `utc-offset` of 0 and no daylight + /// saving time. + @unstable(feature = clocks-timezone) + display: func(when: datetime) -> timezone-display; + + /// The same as `display`, but only return the UTC offset. + @unstable(feature = clocks-timezone) + utc-offset: func(when: datetime) -> s32; + + /// Information useful for displaying the timezone of a specific `datetime`. + /// + /// This information may vary within a single `timezone` to reflect daylight + /// saving time adjustments. + @unstable(feature = clocks-timezone) + record timezone-display { + /// The number of seconds difference between UTC time and the local + /// time of the timezone. + /// + /// The returned value will always be less than 86400 which is the + /// number of seconds in a day (24*60*60). + /// + /// In implementations that do not expose an actual time zone, this + /// should return 0. + utc-offset: s32, + + /// The abbreviated name of the timezone to display to a user. The name + /// `UTC` indicates Coordinated Universal Time. Otherwise, this should + /// reference local standards for the name of the time zone. + /// + /// In implementations that do not expose an actual time zone, this + /// should be the string `UTC`. + /// + /// In time zones that do not have an applicable name, a formatted + /// representation of the UTC offset may be returned, such as `-04:00`. + name: string, + + /// Whether daylight saving time is active. + /// + /// In implementations that do not expose an actual time zone, this + /// should return false. + in-daylight-saving-time: bool, + } +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/clocks/wall-clock.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/clocks/wall-clock.wit new file mode 100644 index 0000000000..e00ce08933 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/clocks/wall-clock.wit @@ -0,0 +1,46 @@ +package wasi:clocks@0.2.3; +/// WASI Wall Clock is a clock API intended to let users query the current +/// time. The name "wall" makes an analogy to a "clock on the wall", which +/// is not necessarily monotonic as it may be reset. +/// +/// It is intended to be portable at least between Unix-family platforms and +/// Windows. +/// +/// A wall clock is a clock which measures the date and time according to +/// some external reference. +/// +/// External references may be reset, so this clock is not necessarily +/// monotonic, making it unsuitable for measuring elapsed time. +/// +/// It is intended for reporting the current date and time for humans. +@since(version = 0.2.0) +interface wall-clock { + /// A time and date in seconds plus nanoseconds. + @since(version = 0.2.0) + record datetime { + seconds: u64, + nanoseconds: u32, + } + + /// Read the current value of the clock. + /// + /// This clock is not monotonic, therefore calling this function repeatedly + /// will not necessarily produce a sequence of non-decreasing values. + /// + /// The returned timestamps represent the number of seconds since + /// 1970-01-01T00:00:00Z, also known as [POSIX's Seconds Since the Epoch], + /// also known as [Unix Time]. + /// + /// The nanoseconds field of the output is always less than 1000000000. + /// + /// [POSIX's Seconds Since the Epoch]: https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_xbd_chap04.html#tag_21_04_16 + /// [Unix Time]: https://en.wikipedia.org/wiki/Unix_time + @since(version = 0.2.0) + now: func() -> datetime; + + /// Query the resolution of the clock. + /// + /// The nanoseconds field of the output is always less than 1000000000. + @since(version = 0.2.0) + resolution: func() -> datetime; +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/clocks/world.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/clocks/world.wit new file mode 100644 index 0000000000..05f04f797d --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/clocks/world.wit @@ -0,0 +1,11 @@ +package wasi:clocks@0.2.3; + +@since(version = 0.2.0) +world imports { + @since(version = 0.2.0) + import monotonic-clock; + @since(version = 0.2.0) + import wall-clock; + @unstable(feature = clocks-timezone) + import timezone; +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/filesystem/preopens.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/filesystem/preopens.wit new file mode 100644 index 0000000000..cea97495b5 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/filesystem/preopens.wit @@ -0,0 +1,11 @@ +package wasi:filesystem@0.2.3; + +@since(version = 0.2.0) +interface preopens { + @since(version = 0.2.0) + use types.{descriptor}; + + /// Return the set of preopened directories, and their paths. + @since(version = 0.2.0) + get-directories: func() -> list>; +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/filesystem/types.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/filesystem/types.wit new file mode 100644 index 0000000000..d229a21f48 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/filesystem/types.wit @@ -0,0 +1,672 @@ +package wasi:filesystem@0.2.3; +/// WASI filesystem is a filesystem API primarily intended to let users run WASI +/// programs that access their files on their existing filesystems, without +/// significant overhead. +/// +/// It is intended to be roughly portable between Unix-family platforms and +/// Windows, though it does not hide many of the major differences. +/// +/// Paths are passed as interface-type `string`s, meaning they must consist of +/// a sequence of Unicode Scalar Values (USVs). Some filesystems may contain +/// paths which are not accessible by this API. +/// +/// The directory separator in WASI is always the forward-slash (`/`). +/// +/// All paths in WASI are relative paths, and are interpreted relative to a +/// `descriptor` referring to a base directory. If a `path` argument to any WASI +/// function starts with `/`, or if any step of resolving a `path`, including +/// `..` and symbolic link steps, reaches a directory outside of the base +/// directory, or reaches a symlink to an absolute or rooted path in the +/// underlying filesystem, the function fails with `error-code::not-permitted`. +/// +/// For more information about WASI path resolution and sandboxing, see +/// [WASI filesystem path resolution]. +/// +/// [WASI filesystem path resolution]: https://github.com/WebAssembly/wasi-filesystem/blob/main/path-resolution.md +@since(version = 0.2.0) +interface types { + @since(version = 0.2.0) + use wasi:io/streams@0.2.3.{input-stream, output-stream, error}; + @since(version = 0.2.0) + use wasi:clocks/wall-clock@0.2.3.{datetime}; + + /// File size or length of a region within a file. + @since(version = 0.2.0) + type filesize = u64; + + /// The type of a filesystem object referenced by a descriptor. + /// + /// Note: This was called `filetype` in earlier versions of WASI. + @since(version = 0.2.0) + enum descriptor-type { + /// The type of the descriptor or file is unknown or is different from + /// any of the other types specified. + unknown, + /// The descriptor refers to a block device inode. + block-device, + /// The descriptor refers to a character device inode. + character-device, + /// The descriptor refers to a directory inode. + directory, + /// The descriptor refers to a named pipe. + fifo, + /// The file refers to a symbolic link inode. + symbolic-link, + /// The descriptor refers to a regular file inode. + regular-file, + /// The descriptor refers to a socket. + socket, + } + + /// Descriptor flags. + /// + /// Note: This was called `fdflags` in earlier versions of WASI. + @since(version = 0.2.0) + flags descriptor-flags { + /// Read mode: Data can be read. + read, + /// Write mode: Data can be written to. + write, + /// Request that writes be performed according to synchronized I/O file + /// integrity completion. The data stored in the file and the file's + /// metadata are synchronized. This is similar to `O_SYNC` in POSIX. + /// + /// The precise semantics of this operation have not yet been defined for + /// WASI. At this time, it should be interpreted as a request, and not a + /// requirement. + file-integrity-sync, + /// Request that writes be performed according to synchronized I/O data + /// integrity completion. Only the data stored in the file is + /// synchronized. This is similar to `O_DSYNC` in POSIX. + /// + /// The precise semantics of this operation have not yet been defined for + /// WASI. At this time, it should be interpreted as a request, and not a + /// requirement. + data-integrity-sync, + /// Requests that reads be performed at the same level of integrity + /// requested for writes. This is similar to `O_RSYNC` in POSIX. + /// + /// The precise semantics of this operation have not yet been defined for + /// WASI. At this time, it should be interpreted as a request, and not a + /// requirement. + requested-write-sync, + /// Mutating directories mode: Directory contents may be mutated. + /// + /// When this flag is unset on a descriptor, operations using the + /// descriptor which would create, rename, delete, modify the data or + /// metadata of filesystem objects, or obtain another handle which + /// would permit any of those, shall fail with `error-code::read-only` if + /// they would otherwise succeed. + /// + /// This may only be set on directories. + mutate-directory, + } + + /// File attributes. + /// + /// Note: This was called `filestat` in earlier versions of WASI. + @since(version = 0.2.0) + record descriptor-stat { + /// File type. + %type: descriptor-type, + /// Number of hard links to the file. + link-count: link-count, + /// For regular files, the file size in bytes. For symbolic links, the + /// length in bytes of the pathname contained in the symbolic link. + size: filesize, + /// Last data access timestamp. + /// + /// If the `option` is none, the platform doesn't maintain an access + /// timestamp for this file. + data-access-timestamp: option, + /// Last data modification timestamp. + /// + /// If the `option` is none, the platform doesn't maintain a + /// modification timestamp for this file. + data-modification-timestamp: option, + /// Last file status-change timestamp. + /// + /// If the `option` is none, the platform doesn't maintain a + /// status-change timestamp for this file. + status-change-timestamp: option, + } + + /// Flags determining the method of how paths are resolved. + @since(version = 0.2.0) + flags path-flags { + /// As long as the resolved path corresponds to a symbolic link, it is + /// expanded. + symlink-follow, + } + + /// Open flags used by `open-at`. + @since(version = 0.2.0) + flags open-flags { + /// Create file if it does not exist, similar to `O_CREAT` in POSIX. + create, + /// Fail if not a directory, similar to `O_DIRECTORY` in POSIX. + directory, + /// Fail if file already exists, similar to `O_EXCL` in POSIX. + exclusive, + /// Truncate file to size 0, similar to `O_TRUNC` in POSIX. + truncate, + } + + /// Number of hard links to an inode. + @since(version = 0.2.0) + type link-count = u64; + + /// When setting a timestamp, this gives the value to set it to. + @since(version = 0.2.0) + variant new-timestamp { + /// Leave the timestamp set to its previous value. + no-change, + /// Set the timestamp to the current time of the system clock associated + /// with the filesystem. + now, + /// Set the timestamp to the given value. + timestamp(datetime), + } + + /// A directory entry. + record directory-entry { + /// The type of the file referred to by this directory entry. + %type: descriptor-type, + + /// The name of the object. + name: string, + } + + /// Error codes returned by functions, similar to `errno` in POSIX. + /// Not all of these error codes are returned by the functions provided by this + /// API; some are used in higher-level library layers, and others are provided + /// merely for alignment with POSIX. + enum error-code { + /// Permission denied, similar to `EACCES` in POSIX. + access, + /// Resource unavailable, or operation would block, similar to `EAGAIN` and `EWOULDBLOCK` in POSIX. + would-block, + /// Connection already in progress, similar to `EALREADY` in POSIX. + already, + /// Bad descriptor, similar to `EBADF` in POSIX. + bad-descriptor, + /// Device or resource busy, similar to `EBUSY` in POSIX. + busy, + /// Resource deadlock would occur, similar to `EDEADLK` in POSIX. + deadlock, + /// Storage quota exceeded, similar to `EDQUOT` in POSIX. + quota, + /// File exists, similar to `EEXIST` in POSIX. + exist, + /// File too large, similar to `EFBIG` in POSIX. + file-too-large, + /// Illegal byte sequence, similar to `EILSEQ` in POSIX. + illegal-byte-sequence, + /// Operation in progress, similar to `EINPROGRESS` in POSIX. + in-progress, + /// Interrupted function, similar to `EINTR` in POSIX. + interrupted, + /// Invalid argument, similar to `EINVAL` in POSIX. + invalid, + /// I/O error, similar to `EIO` in POSIX. + io, + /// Is a directory, similar to `EISDIR` in POSIX. + is-directory, + /// Too many levels of symbolic links, similar to `ELOOP` in POSIX. + loop, + /// Too many links, similar to `EMLINK` in POSIX. + too-many-links, + /// Message too large, similar to `EMSGSIZE` in POSIX. + message-size, + /// Filename too long, similar to `ENAMETOOLONG` in POSIX. + name-too-long, + /// No such device, similar to `ENODEV` in POSIX. + no-device, + /// No such file or directory, similar to `ENOENT` in POSIX. + no-entry, + /// No locks available, similar to `ENOLCK` in POSIX. + no-lock, + /// Not enough space, similar to `ENOMEM` in POSIX. + insufficient-memory, + /// No space left on device, similar to `ENOSPC` in POSIX. + insufficient-space, + /// Not a directory or a symbolic link to a directory, similar to `ENOTDIR` in POSIX. + not-directory, + /// Directory not empty, similar to `ENOTEMPTY` in POSIX. + not-empty, + /// State not recoverable, similar to `ENOTRECOVERABLE` in POSIX. + not-recoverable, + /// Not supported, similar to `ENOTSUP` and `ENOSYS` in POSIX. + unsupported, + /// Inappropriate I/O control operation, similar to `ENOTTY` in POSIX. + no-tty, + /// No such device or address, similar to `ENXIO` in POSIX. + no-such-device, + /// Value too large to be stored in data type, similar to `EOVERFLOW` in POSIX. + overflow, + /// Operation not permitted, similar to `EPERM` in POSIX. + not-permitted, + /// Broken pipe, similar to `EPIPE` in POSIX. + pipe, + /// Read-only file system, similar to `EROFS` in POSIX. + read-only, + /// Invalid seek, similar to `ESPIPE` in POSIX. + invalid-seek, + /// Text file busy, similar to `ETXTBSY` in POSIX. + text-file-busy, + /// Cross-device link, similar to `EXDEV` in POSIX. + cross-device, + } + + /// File or memory access pattern advisory information. + @since(version = 0.2.0) + enum advice { + /// The application has no advice to give on its behavior with respect + /// to the specified data. + normal, + /// The application expects to access the specified data sequentially + /// from lower offsets to higher offsets. + sequential, + /// The application expects to access the specified data in a random + /// order. + random, + /// The application expects to access the specified data in the near + /// future. + will-need, + /// The application expects that it will not access the specified data + /// in the near future. + dont-need, + /// The application expects to access the specified data once and then + /// not reuse it thereafter. + no-reuse, + } + + /// A 128-bit hash value, split into parts because wasm doesn't have a + /// 128-bit integer type. + @since(version = 0.2.0) + record metadata-hash-value { + /// 64 bits of a 128-bit hash value. + lower: u64, + /// Another 64 bits of a 128-bit hash value. + upper: u64, + } + + /// A descriptor is a reference to a filesystem object, which may be a file, + /// directory, named pipe, special file, or other object on which filesystem + /// calls may be made. + @since(version = 0.2.0) + resource descriptor { + /// Return a stream for reading from a file, if available. + /// + /// May fail with an error-code describing why the file cannot be read. + /// + /// Multiple read, write, and append streams may be active on the same open + /// file and they do not interfere with each other. + /// + /// Note: This allows using `read-stream`, which is similar to `read` in POSIX. + @since(version = 0.2.0) + read-via-stream: func( + /// The offset within the file at which to start reading. + offset: filesize, + ) -> result; + + /// Return a stream for writing to a file, if available. + /// + /// May fail with an error-code describing why the file cannot be written. + /// + /// Note: This allows using `write-stream`, which is similar to `write` in + /// POSIX. + @since(version = 0.2.0) + write-via-stream: func( + /// The offset within the file at which to start writing. + offset: filesize, + ) -> result; + + /// Return a stream for appending to a file, if available. + /// + /// May fail with an error-code describing why the file cannot be appended. + /// + /// Note: This allows using `write-stream`, which is similar to `write` with + /// `O_APPEND` in POSIX. + @since(version = 0.2.0) + append-via-stream: func() -> result; + + /// Provide file advisory information on a descriptor. + /// + /// This is similar to `posix_fadvise` in POSIX. + @since(version = 0.2.0) + advise: func( + /// The offset within the file to which the advisory applies. + offset: filesize, + /// The length of the region to which the advisory applies. + length: filesize, + /// The advice. + advice: advice + ) -> result<_, error-code>; + + /// Synchronize the data of a file to disk. + /// + /// This function succeeds with no effect if the file descriptor is not + /// opened for writing. + /// + /// Note: This is similar to `fdatasync` in POSIX. + @since(version = 0.2.0) + sync-data: func() -> result<_, error-code>; + + /// Get flags associated with a descriptor. + /// + /// Note: This returns similar flags to `fcntl(fd, F_GETFL)` in POSIX. + /// + /// Note: This returns the value that was the `fs_flags` value returned + /// from `fdstat_get` in earlier versions of WASI. + @since(version = 0.2.0) + get-flags: func() -> result; + + /// Get the dynamic type of a descriptor. + /// + /// Note: This returns the same value as the `type` field of the `fd-stat` + /// returned by `stat`, `stat-at` and similar. + /// + /// Note: This returns similar flags to the `st_mode & S_IFMT` value provided + /// by `fstat` in POSIX. + /// + /// Note: This returns the value that was the `fs_filetype` value returned + /// from `fdstat_get` in earlier versions of WASI. + @since(version = 0.2.0) + get-type: func() -> result; + + /// Adjust the size of an open file. If this increases the file's size, the + /// extra bytes are filled with zeros. + /// + /// Note: This was called `fd_filestat_set_size` in earlier versions of WASI. + @since(version = 0.2.0) + set-size: func(size: filesize) -> result<_, error-code>; + + /// Adjust the timestamps of an open file or directory. + /// + /// Note: This is similar to `futimens` in POSIX. + /// + /// Note: This was called `fd_filestat_set_times` in earlier versions of WASI. + @since(version = 0.2.0) + set-times: func( + /// The desired values of the data access timestamp. + data-access-timestamp: new-timestamp, + /// The desired values of the data modification timestamp. + data-modification-timestamp: new-timestamp, + ) -> result<_, error-code>; + + /// Read from a descriptor, without using and updating the descriptor's offset. + /// + /// This function returns a list of bytes containing the data that was + /// read, along with a bool which, when true, indicates that the end of the + /// file was reached. The returned list will contain up to `length` bytes; it + /// may return fewer than requested, if the end of the file is reached or + /// if the I/O operation is interrupted. + /// + /// In the future, this may change to return a `stream`. + /// + /// Note: This is similar to `pread` in POSIX. + @since(version = 0.2.0) + read: func( + /// The maximum number of bytes to read. + length: filesize, + /// The offset within the file at which to read. + offset: filesize, + ) -> result, bool>, error-code>; + + /// Write to a descriptor, without using and updating the descriptor's offset. + /// + /// It is valid to write past the end of a file; the file is extended to the + /// extent of the write, with bytes between the previous end and the start of + /// the write set to zero. + /// + /// In the future, this may change to take a `stream`. + /// + /// Note: This is similar to `pwrite` in POSIX. + @since(version = 0.2.0) + write: func( + /// Data to write + buffer: list, + /// The offset within the file at which to write. + offset: filesize, + ) -> result; + + /// Read directory entries from a directory. + /// + /// On filesystems where directories contain entries referring to themselves + /// and their parents, often named `.` and `..` respectively, these entries + /// are omitted. + /// + /// This always returns a new stream which starts at the beginning of the + /// directory. Multiple streams may be active on the same directory, and they + /// do not interfere with each other. + @since(version = 0.2.0) + read-directory: func() -> result; + + /// Synchronize the data and metadata of a file to disk. + /// + /// This function succeeds with no effect if the file descriptor is not + /// opened for writing. + /// + /// Note: This is similar to `fsync` in POSIX. + @since(version = 0.2.0) + sync: func() -> result<_, error-code>; + + /// Create a directory. + /// + /// Note: This is similar to `mkdirat` in POSIX. + @since(version = 0.2.0) + create-directory-at: func( + /// The relative path at which to create the directory. + path: string, + ) -> result<_, error-code>; + + /// Return the attributes of an open file or directory. + /// + /// Note: This is similar to `fstat` in POSIX, except that it does not return + /// device and inode information. For testing whether two descriptors refer to + /// the same underlying filesystem object, use `is-same-object`. To obtain + /// additional data that can be used do determine whether a file has been + /// modified, use `metadata-hash`. + /// + /// Note: This was called `fd_filestat_get` in earlier versions of WASI. + @since(version = 0.2.0) + stat: func() -> result; + + /// Return the attributes of a file or directory. + /// + /// Note: This is similar to `fstatat` in POSIX, except that it does not + /// return device and inode information. See the `stat` description for a + /// discussion of alternatives. + /// + /// Note: This was called `path_filestat_get` in earlier versions of WASI. + @since(version = 0.2.0) + stat-at: func( + /// Flags determining the method of how the path is resolved. + path-flags: path-flags, + /// The relative path of the file or directory to inspect. + path: string, + ) -> result; + + /// Adjust the timestamps of a file or directory. + /// + /// Note: This is similar to `utimensat` in POSIX. + /// + /// Note: This was called `path_filestat_set_times` in earlier versions of + /// WASI. + @since(version = 0.2.0) + set-times-at: func( + /// Flags determining the method of how the path is resolved. + path-flags: path-flags, + /// The relative path of the file or directory to operate on. + path: string, + /// The desired values of the data access timestamp. + data-access-timestamp: new-timestamp, + /// The desired values of the data modification timestamp. + data-modification-timestamp: new-timestamp, + ) -> result<_, error-code>; + + /// Create a hard link. + /// + /// Note: This is similar to `linkat` in POSIX. + @since(version = 0.2.0) + link-at: func( + /// Flags determining the method of how the path is resolved. + old-path-flags: path-flags, + /// The relative source path from which to link. + old-path: string, + /// The base directory for `new-path`. + new-descriptor: borrow, + /// The relative destination path at which to create the hard link. + new-path: string, + ) -> result<_, error-code>; + + /// Open a file or directory. + /// + /// If `flags` contains `descriptor-flags::mutate-directory`, and the base + /// descriptor doesn't have `descriptor-flags::mutate-directory` set, + /// `open-at` fails with `error-code::read-only`. + /// + /// If `flags` contains `write` or `mutate-directory`, or `open-flags` + /// contains `truncate` or `create`, and the base descriptor doesn't have + /// `descriptor-flags::mutate-directory` set, `open-at` fails with + /// `error-code::read-only`. + /// + /// Note: This is similar to `openat` in POSIX. + @since(version = 0.2.0) + open-at: func( + /// Flags determining the method of how the path is resolved. + path-flags: path-flags, + /// The relative path of the object to open. + path: string, + /// The method by which to open the file. + open-flags: open-flags, + /// Flags to use for the resulting descriptor. + %flags: descriptor-flags, + ) -> result; + + /// Read the contents of a symbolic link. + /// + /// If the contents contain an absolute or rooted path in the underlying + /// filesystem, this function fails with `error-code::not-permitted`. + /// + /// Note: This is similar to `readlinkat` in POSIX. + @since(version = 0.2.0) + readlink-at: func( + /// The relative path of the symbolic link from which to read. + path: string, + ) -> result; + + /// Remove a directory. + /// + /// Return `error-code::not-empty` if the directory is not empty. + /// + /// Note: This is similar to `unlinkat(fd, path, AT_REMOVEDIR)` in POSIX. + @since(version = 0.2.0) + remove-directory-at: func( + /// The relative path to a directory to remove. + path: string, + ) -> result<_, error-code>; + + /// Rename a filesystem object. + /// + /// Note: This is similar to `renameat` in POSIX. + @since(version = 0.2.0) + rename-at: func( + /// The relative source path of the file or directory to rename. + old-path: string, + /// The base directory for `new-path`. + new-descriptor: borrow, + /// The relative destination path to which to rename the file or directory. + new-path: string, + ) -> result<_, error-code>; + + /// Create a symbolic link (also known as a "symlink"). + /// + /// If `old-path` starts with `/`, the function fails with + /// `error-code::not-permitted`. + /// + /// Note: This is similar to `symlinkat` in POSIX. + @since(version = 0.2.0) + symlink-at: func( + /// The contents of the symbolic link. + old-path: string, + /// The relative destination path at which to create the symbolic link. + new-path: string, + ) -> result<_, error-code>; + + /// Unlink a filesystem object that is not a directory. + /// + /// Return `error-code::is-directory` if the path refers to a directory. + /// Note: This is similar to `unlinkat(fd, path, 0)` in POSIX. + @since(version = 0.2.0) + unlink-file-at: func( + /// The relative path to a file to unlink. + path: string, + ) -> result<_, error-code>; + + /// Test whether two descriptors refer to the same filesystem object. + /// + /// In POSIX, this corresponds to testing whether the two descriptors have the + /// same device (`st_dev`) and inode (`st_ino` or `d_ino`) numbers. + /// wasi-filesystem does not expose device and inode numbers, so this function + /// may be used instead. + @since(version = 0.2.0) + is-same-object: func(other: borrow) -> bool; + + /// Return a hash of the metadata associated with a filesystem object referred + /// to by a descriptor. + /// + /// This returns a hash of the last-modification timestamp and file size, and + /// may also include the inode number, device number, birth timestamp, and + /// other metadata fields that may change when the file is modified or + /// replaced. It may also include a secret value chosen by the + /// implementation and not otherwise exposed. + /// + /// Implementations are encouraged to provide the following properties: + /// + /// - If the file is not modified or replaced, the computed hash value should + /// usually not change. + /// - If the object is modified or replaced, the computed hash value should + /// usually change. + /// - The inputs to the hash should not be easily computable from the + /// computed hash. + /// + /// However, none of these is required. + @since(version = 0.2.0) + metadata-hash: func() -> result; + + /// Return a hash of the metadata associated with a filesystem object referred + /// to by a directory descriptor and a relative path. + /// + /// This performs the same hash computation as `metadata-hash`. + @since(version = 0.2.0) + metadata-hash-at: func( + /// Flags determining the method of how the path is resolved. + path-flags: path-flags, + /// The relative path of the file or directory to inspect. + path: string, + ) -> result; + } + + /// A stream of directory entries. + @since(version = 0.2.0) + resource directory-entry-stream { + /// Read a single directory entry from a `directory-entry-stream`. + @since(version = 0.2.0) + read-directory-entry: func() -> result, error-code>; + } + + /// Attempts to extract a filesystem-related `error-code` from the stream + /// `error` provided. + /// + /// Stream operations which return `stream-error::last-operation-failed` + /// have a payload with more information about the operation that failed. + /// This payload can be passed through to this function to see if there's + /// filesystem-related information about the error to return. + /// + /// Note that this function is fallible because not all stream-related + /// errors are filesystem-related errors. + @since(version = 0.2.0) + filesystem-error-code: func(err: borrow) -> option; +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/filesystem/world.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/filesystem/world.wit new file mode 100644 index 0000000000..29405bc2cc --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/filesystem/world.wit @@ -0,0 +1,9 @@ +package wasi:filesystem@0.2.3; + +@since(version = 0.2.0) +world imports { + @since(version = 0.2.0) + import types; + @since(version = 0.2.0) + import preopens; +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/http/handler.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/http/handler.wit new file mode 100644 index 0000000000..6a6c62966f --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/http/handler.wit @@ -0,0 +1,49 @@ +/// This interface defines a handler of incoming HTTP Requests. It should +/// be exported by components which can respond to HTTP Requests. +@since(version = 0.2.0) +interface incoming-handler { + @since(version = 0.2.0) + use types.{incoming-request, response-outparam}; + + /// This function is invoked with an incoming HTTP Request, and a resource + /// `response-outparam` which provides the capability to reply with an HTTP + /// Response. The response is sent by calling the `response-outparam.set` + /// method, which allows execution to continue after the response has been + /// sent. This enables both streaming to the response body, and performing other + /// work. + /// + /// The implementor of this function must write a response to the + /// `response-outparam` before returning, or else the caller will respond + /// with an error on its behalf. + @since(version = 0.2.0) + handle: func( + request: incoming-request, + response-out: response-outparam + ); +} + +/// This interface defines a handler of outgoing HTTP Requests. It should be +/// imported by components which wish to make HTTP Requests. +@since(version = 0.2.0) +interface outgoing-handler { + @since(version = 0.2.0) + use types.{ + outgoing-request, request-options, future-incoming-response, error-code + }; + + /// This function is invoked with an outgoing HTTP Request, and it returns + /// a resource `future-incoming-response` which represents an HTTP Response + /// which may arrive in the future. + /// + /// The `options` argument accepts optional parameters for the HTTP + /// protocol's transport layer. + /// + /// This function may return an error if the `outgoing-request` is invalid + /// or not allowed to be made. Otherwise, protocol errors are reported + /// through the `future-incoming-response`. + @since(version = 0.2.0) + handle: func( + request: outgoing-request, + options: option + ) -> result; +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/http/proxy.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/http/proxy.wit new file mode 100644 index 0000000000..de3bbe8ae0 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/http/proxy.wit @@ -0,0 +1,50 @@ +package wasi:http@0.2.3; + +/// The `wasi:http/imports` world imports all the APIs for HTTP proxies. +/// It is intended to be `include`d in other worlds. +@since(version = 0.2.0) +world imports { + /// HTTP proxies have access to time and randomness. + @since(version = 0.2.0) + import wasi:clocks/monotonic-clock@0.2.3; + @since(version = 0.2.0) + import wasi:clocks/wall-clock@0.2.3; + @since(version = 0.2.0) + import wasi:random/random@0.2.3; + + /// Proxies have standard output and error streams which are expected to + /// terminate in a developer-facing console provided by the host. + @since(version = 0.2.0) + import wasi:cli/stdout@0.2.3; + @since(version = 0.2.0) + import wasi:cli/stderr@0.2.3; + + /// TODO: this is a temporary workaround until component tooling is able to + /// gracefully handle the absence of stdin. Hosts must return an eof stream + /// for this import, which is what wasi-libc + tooling will do automatically + /// when this import is properly removed. + @since(version = 0.2.0) + import wasi:cli/stdin@0.2.3; + + /// This is the default handler to use when user code simply wants to make an + /// HTTP request (e.g., via `fetch()`). + @since(version = 0.2.0) + import outgoing-handler; +} + +/// The `wasi:http/proxy` world captures a widely-implementable intersection of +/// hosts that includes HTTP forward and reverse proxies. Components targeting +/// this world may concurrently stream in and out any number of incoming and +/// outgoing HTTP requests. +@since(version = 0.2.0) +world proxy { + @since(version = 0.2.0) + include imports; + + /// The host delivers incoming HTTP requests to a component by calling the + /// `handle` function of this exported interface. A host may arbitrarily reuse + /// or not reuse component instance when delivering incoming HTTP requests and + /// thus a component must be able to handle 0..N calls to `handle`. + @since(version = 0.2.0) + export incoming-handler; +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/http/types.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/http/types.wit new file mode 100644 index 0000000000..2498f180ad --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/http/types.wit @@ -0,0 +1,673 @@ +/// This interface defines all of the types and methods for implementing +/// HTTP Requests and Responses, both incoming and outgoing, as well as +/// their headers, trailers, and bodies. +@since(version = 0.2.0) +interface types { + @since(version = 0.2.0) + use wasi:clocks/monotonic-clock@0.2.3.{duration}; + @since(version = 0.2.0) + use wasi:io/streams@0.2.3.{input-stream, output-stream}; + @since(version = 0.2.0) + use wasi:io/error@0.2.3.{error as io-error}; + @since(version = 0.2.0) + use wasi:io/poll@0.2.3.{pollable}; + + /// This type corresponds to HTTP standard Methods. + @since(version = 0.2.0) + variant method { + get, + head, + post, + put, + delete, + connect, + options, + trace, + patch, + other(string) + } + + /// This type corresponds to HTTP standard Related Schemes. + @since(version = 0.2.0) + variant scheme { + HTTP, + HTTPS, + other(string) + } + + /// These cases are inspired by the IANA HTTP Proxy Error Types: + /// + @since(version = 0.2.0) + variant error-code { + DNS-timeout, + DNS-error(DNS-error-payload), + destination-not-found, + destination-unavailable, + destination-IP-prohibited, + destination-IP-unroutable, + connection-refused, + connection-terminated, + connection-timeout, + connection-read-timeout, + connection-write-timeout, + connection-limit-reached, + TLS-protocol-error, + TLS-certificate-error, + TLS-alert-received(TLS-alert-received-payload), + HTTP-request-denied, + HTTP-request-length-required, + HTTP-request-body-size(option), + HTTP-request-method-invalid, + HTTP-request-URI-invalid, + HTTP-request-URI-too-long, + HTTP-request-header-section-size(option), + HTTP-request-header-size(option), + HTTP-request-trailer-section-size(option), + HTTP-request-trailer-size(field-size-payload), + HTTP-response-incomplete, + HTTP-response-header-section-size(option), + HTTP-response-header-size(field-size-payload), + HTTP-response-body-size(option), + HTTP-response-trailer-section-size(option), + HTTP-response-trailer-size(field-size-payload), + HTTP-response-transfer-coding(option), + HTTP-response-content-coding(option), + HTTP-response-timeout, + HTTP-upgrade-failed, + HTTP-protocol-error, + loop-detected, + configuration-error, + /// This is a catch-all error for anything that doesn't fit cleanly into a + /// more specific case. It also includes an optional string for an + /// unstructured description of the error. Users should not depend on the + /// string for diagnosing errors, as it's not required to be consistent + /// between implementations. + internal-error(option) + } + + /// Defines the case payload type for `DNS-error` above: + @since(version = 0.2.0) + record DNS-error-payload { + rcode: option, + info-code: option + } + + /// Defines the case payload type for `TLS-alert-received` above: + @since(version = 0.2.0) + record TLS-alert-received-payload { + alert-id: option, + alert-message: option + } + + /// Defines the case payload type for `HTTP-response-{header,trailer}-size` above: + @since(version = 0.2.0) + record field-size-payload { + field-name: option, + field-size: option + } + + /// Attempts to extract a http-related `error` from the wasi:io `error` + /// provided. + /// + /// Stream operations which return + /// `wasi:io/stream/stream-error::last-operation-failed` have a payload of + /// type `wasi:io/error/error` with more information about the operation + /// that failed. This payload can be passed through to this function to see + /// if there's http-related information about the error to return. + /// + /// Note that this function is fallible because not all io-errors are + /// http-related errors. + @since(version = 0.2.0) + http-error-code: func(err: borrow) -> option; + + /// This type enumerates the different kinds of errors that may occur when + /// setting or appending to a `fields` resource. + @since(version = 0.2.0) + variant header-error { + /// This error indicates that a `field-name` or `field-value` was + /// syntactically invalid when used with an operation that sets headers in a + /// `fields`. + invalid-syntax, + + /// This error indicates that a forbidden `field-name` was used when trying + /// to set a header in a `fields`. + forbidden, + + /// This error indicates that the operation on the `fields` was not + /// permitted because the fields are immutable. + immutable, + } + + /// Field names are always strings. + /// + /// Field names should always be treated as case insensitive by the `fields` + /// resource for the purposes of equality checking. + @since(version = 0.2.1) + type field-name = field-key; + + /// Field keys are always strings. + /// + /// Field keys should always be treated as case insensitive by the `fields` + /// resource for the purposes of equality checking. + /// + /// # Deprecation + /// + /// This type has been deprecated in favor of the `field-name` type. + @since(version = 0.2.0) + @deprecated(version = 0.2.2) + type field-key = string; + + /// Field values should always be ASCII strings. However, in + /// reality, HTTP implementations often have to interpret malformed values, + /// so they are provided as a list of bytes. + @since(version = 0.2.0) + type field-value = list; + + /// This following block defines the `fields` resource which corresponds to + /// HTTP standard Fields. Fields are a common representation used for both + /// Headers and Trailers. + /// + /// A `fields` may be mutable or immutable. A `fields` created using the + /// constructor, `from-list`, or `clone` will be mutable, but a `fields` + /// resource given by other means (including, but not limited to, + /// `incoming-request.headers`, `outgoing-request.headers`) might be be + /// immutable. In an immutable fields, the `set`, `append`, and `delete` + /// operations will fail with `header-error.immutable`. + @since(version = 0.2.0) + resource fields { + + /// Construct an empty HTTP Fields. + /// + /// The resulting `fields` is mutable. + @since(version = 0.2.0) + constructor(); + + /// Construct an HTTP Fields. + /// + /// The resulting `fields` is mutable. + /// + /// The list represents each name-value pair in the Fields. Names + /// which have multiple values are represented by multiple entries in this + /// list with the same name. + /// + /// The tuple is a pair of the field name, represented as a string, and + /// Value, represented as a list of bytes. + /// + /// An error result will be returned if any `field-name` or `field-value` is + /// syntactically invalid, or if a field is forbidden. + @since(version = 0.2.0) + from-list: static func( + entries: list> + ) -> result; + + /// Get all of the values corresponding to a name. If the name is not present + /// in this `fields` or is syntactically invalid, an empty list is returned. + /// However, if the name is present but empty, this is represented by a list + /// with one or more empty field-values present. + @since(version = 0.2.0) + get: func(name: field-name) -> list; + + /// Returns `true` when the name is present in this `fields`. If the name is + /// syntactically invalid, `false` is returned. + @since(version = 0.2.0) + has: func(name: field-name) -> bool; + + /// Set all of the values for a name. Clears any existing values for that + /// name, if they have been set. + /// + /// Fails with `header-error.immutable` if the `fields` are immutable. + /// + /// Fails with `header-error.invalid-syntax` if the `field-name` or any of + /// the `field-value`s are syntactically invalid. + @since(version = 0.2.0) + set: func(name: field-name, value: list) -> result<_, header-error>; + + /// Delete all values for a name. Does nothing if no values for the name + /// exist. + /// + /// Fails with `header-error.immutable` if the `fields` are immutable. + /// + /// Fails with `header-error.invalid-syntax` if the `field-name` is + /// syntactically invalid. + @since(version = 0.2.0) + delete: func(name: field-name) -> result<_, header-error>; + + /// Append a value for a name. Does not change or delete any existing + /// values for that name. + /// + /// Fails with `header-error.immutable` if the `fields` are immutable. + /// + /// Fails with `header-error.invalid-syntax` if the `field-name` or + /// `field-value` are syntactically invalid. + @since(version = 0.2.0) + append: func(name: field-name, value: field-value) -> result<_, header-error>; + + /// Retrieve the full set of names and values in the Fields. Like the + /// constructor, the list represents each name-value pair. + /// + /// The outer list represents each name-value pair in the Fields. Names + /// which have multiple values are represented by multiple entries in this + /// list with the same name. + /// + /// The names and values are always returned in the original casing and in + /// the order in which they will be serialized for transport. + @since(version = 0.2.0) + entries: func() -> list>; + + /// Make a deep copy of the Fields. Equivalent in behavior to calling the + /// `fields` constructor on the return value of `entries`. The resulting + /// `fields` is mutable. + @since(version = 0.2.0) + clone: func() -> fields; + } + + /// Headers is an alias for Fields. + @since(version = 0.2.0) + type headers = fields; + + /// Trailers is an alias for Fields. + @since(version = 0.2.0) + type trailers = fields; + + /// Represents an incoming HTTP Request. + @since(version = 0.2.0) + resource incoming-request { + + /// Returns the method of the incoming request. + @since(version = 0.2.0) + method: func() -> method; + + /// Returns the path with query parameters from the request, as a string. + @since(version = 0.2.0) + path-with-query: func() -> option; + + /// Returns the protocol scheme from the request. + @since(version = 0.2.0) + scheme: func() -> option; + + /// Returns the authority of the Request's target URI, if present. + @since(version = 0.2.0) + authority: func() -> option; + + /// Get the `headers` associated with the request. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// The `headers` returned are a child resource: it must be dropped before + /// the parent `incoming-request` is dropped. Dropping this + /// `incoming-request` before all children are dropped will trap. + @since(version = 0.2.0) + headers: func() -> headers; + + /// Gives the `incoming-body` associated with this request. Will only + /// return success at most once, and subsequent calls will return error. + @since(version = 0.2.0) + consume: func() -> result; + } + + /// Represents an outgoing HTTP Request. + @since(version = 0.2.0) + resource outgoing-request { + + /// Construct a new `outgoing-request` with a default `method` of `GET`, and + /// `none` values for `path-with-query`, `scheme`, and `authority`. + /// + /// * `headers` is the HTTP Headers for the Request. + /// + /// It is possible to construct, or manipulate with the accessor functions + /// below, an `outgoing-request` with an invalid combination of `scheme` + /// and `authority`, or `headers` which are not permitted to be sent. + /// It is the obligation of the `outgoing-handler.handle` implementation + /// to reject invalid constructions of `outgoing-request`. + @since(version = 0.2.0) + constructor( + headers: headers + ); + + /// Returns the resource corresponding to the outgoing Body for this + /// Request. + /// + /// Returns success on the first call: the `outgoing-body` resource for + /// this `outgoing-request` can be retrieved at most once. Subsequent + /// calls will return error. + @since(version = 0.2.0) + body: func() -> result; + + /// Get the Method for the Request. + @since(version = 0.2.0) + method: func() -> method; + /// Set the Method for the Request. Fails if the string present in a + /// `method.other` argument is not a syntactically valid method. + @since(version = 0.2.0) + set-method: func(method: method) -> result; + + /// Get the combination of the HTTP Path and Query for the Request. + /// When `none`, this represents an empty Path and empty Query. + @since(version = 0.2.0) + path-with-query: func() -> option; + /// Set the combination of the HTTP Path and Query for the Request. + /// When `none`, this represents an empty Path and empty Query. Fails is the + /// string given is not a syntactically valid path and query uri component. + @since(version = 0.2.0) + set-path-with-query: func(path-with-query: option) -> result; + + /// Get the HTTP Related Scheme for the Request. When `none`, the + /// implementation may choose an appropriate default scheme. + @since(version = 0.2.0) + scheme: func() -> option; + /// Set the HTTP Related Scheme for the Request. When `none`, the + /// implementation may choose an appropriate default scheme. Fails if the + /// string given is not a syntactically valid uri scheme. + @since(version = 0.2.0) + set-scheme: func(scheme: option) -> result; + + /// Get the authority of the Request's target URI. A value of `none` may be used + /// with Related Schemes which do not require an authority. The HTTP and + /// HTTPS schemes always require an authority. + @since(version = 0.2.0) + authority: func() -> option; + /// Set the authority of the Request's target URI. A value of `none` may be used + /// with Related Schemes which do not require an authority. The HTTP and + /// HTTPS schemes always require an authority. Fails if the string given is + /// not a syntactically valid URI authority. + @since(version = 0.2.0) + set-authority: func(authority: option) -> result; + + /// Get the headers associated with the Request. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// This headers resource is a child: it must be dropped before the parent + /// `outgoing-request` is dropped, or its ownership is transferred to + /// another component by e.g. `outgoing-handler.handle`. + @since(version = 0.2.0) + headers: func() -> headers; + } + + /// Parameters for making an HTTP Request. Each of these parameters is + /// currently an optional timeout applicable to the transport layer of the + /// HTTP protocol. + /// + /// These timeouts are separate from any the user may use to bound a + /// blocking call to `wasi:io/poll.poll`. + @since(version = 0.2.0) + resource request-options { + /// Construct a default `request-options` value. + @since(version = 0.2.0) + constructor(); + + /// The timeout for the initial connect to the HTTP Server. + @since(version = 0.2.0) + connect-timeout: func() -> option; + + /// Set the timeout for the initial connect to the HTTP Server. An error + /// return value indicates that this timeout is not supported. + @since(version = 0.2.0) + set-connect-timeout: func(duration: option) -> result; + + /// The timeout for receiving the first byte of the Response body. + @since(version = 0.2.0) + first-byte-timeout: func() -> option; + + /// Set the timeout for receiving the first byte of the Response body. An + /// error return value indicates that this timeout is not supported. + @since(version = 0.2.0) + set-first-byte-timeout: func(duration: option) -> result; + + /// The timeout for receiving subsequent chunks of bytes in the Response + /// body stream. + @since(version = 0.2.0) + between-bytes-timeout: func() -> option; + + /// Set the timeout for receiving subsequent chunks of bytes in the Response + /// body stream. An error return value indicates that this timeout is not + /// supported. + @since(version = 0.2.0) + set-between-bytes-timeout: func(duration: option) -> result; + } + + /// Represents the ability to send an HTTP Response. + /// + /// This resource is used by the `wasi:http/incoming-handler` interface to + /// allow a Response to be sent corresponding to the Request provided as the + /// other argument to `incoming-handler.handle`. + @since(version = 0.2.0) + resource response-outparam { + + /// Set the value of the `response-outparam` to either send a response, + /// or indicate an error. + /// + /// This method consumes the `response-outparam` to ensure that it is + /// called at most once. If it is never called, the implementation + /// will respond with an error. + /// + /// The user may provide an `error` to `response` to allow the + /// implementation determine how to respond with an HTTP error response. + @since(version = 0.2.0) + set: static func( + param: response-outparam, + response: result, + ); + } + + /// This type corresponds to the HTTP standard Status Code. + @since(version = 0.2.0) + type status-code = u16; + + /// Represents an incoming HTTP Response. + @since(version = 0.2.0) + resource incoming-response { + + /// Returns the status code from the incoming response. + @since(version = 0.2.0) + status: func() -> status-code; + + /// Returns the headers from the incoming response. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// This headers resource is a child: it must be dropped before the parent + /// `incoming-response` is dropped. + @since(version = 0.2.0) + headers: func() -> headers; + + /// Returns the incoming body. May be called at most once. Returns error + /// if called additional times. + @since(version = 0.2.0) + consume: func() -> result; + } + + /// Represents an incoming HTTP Request or Response's Body. + /// + /// A body has both its contents - a stream of bytes - and a (possibly + /// empty) set of trailers, indicating that the full contents of the + /// body have been received. This resource represents the contents as + /// an `input-stream` and the delivery of trailers as a `future-trailers`, + /// and ensures that the user of this interface may only be consuming either + /// the body contents or waiting on trailers at any given time. + @since(version = 0.2.0) + resource incoming-body { + + /// Returns the contents of the body, as a stream of bytes. + /// + /// Returns success on first call: the stream representing the contents + /// can be retrieved at most once. Subsequent calls will return error. + /// + /// The returned `input-stream` resource is a child: it must be dropped + /// before the parent `incoming-body` is dropped, or consumed by + /// `incoming-body.finish`. + /// + /// This invariant ensures that the implementation can determine whether + /// the user is consuming the contents of the body, waiting on the + /// `future-trailers` to be ready, or neither. This allows for network + /// backpressure is to be applied when the user is consuming the body, + /// and for that backpressure to not inhibit delivery of the trailers if + /// the user does not read the entire body. + @since(version = 0.2.0) + %stream: func() -> result; + + /// Takes ownership of `incoming-body`, and returns a `future-trailers`. + /// This function will trap if the `input-stream` child is still alive. + @since(version = 0.2.0) + finish: static func(this: incoming-body) -> future-trailers; + } + + /// Represents a future which may eventually return trailers, or an error. + /// + /// In the case that the incoming HTTP Request or Response did not have any + /// trailers, this future will resolve to the empty set of trailers once the + /// complete Request or Response body has been received. + @since(version = 0.2.0) + resource future-trailers { + + /// Returns a pollable which becomes ready when either the trailers have + /// been received, or an error has occurred. When this pollable is ready, + /// the `get` method will return `some`. + @since(version = 0.2.0) + subscribe: func() -> pollable; + + /// Returns the contents of the trailers, or an error which occurred, + /// once the future is ready. + /// + /// The outer `option` represents future readiness. Users can wait on this + /// `option` to become `some` using the `subscribe` method. + /// + /// The outer `result` is used to retrieve the trailers or error at most + /// once. It will be success on the first call in which the outer option + /// is `some`, and error on subsequent calls. + /// + /// The inner `result` represents that either the HTTP Request or Response + /// body, as well as any trailers, were received successfully, or that an + /// error occurred receiving them. The optional `trailers` indicates whether + /// or not trailers were present in the body. + /// + /// When some `trailers` are returned by this method, the `trailers` + /// resource is immutable, and a child. Use of the `set`, `append`, or + /// `delete` methods will return an error, and the resource must be + /// dropped before the parent `future-trailers` is dropped. + @since(version = 0.2.0) + get: func() -> option, error-code>>>; + } + + /// Represents an outgoing HTTP Response. + @since(version = 0.2.0) + resource outgoing-response { + + /// Construct an `outgoing-response`, with a default `status-code` of `200`. + /// If a different `status-code` is needed, it must be set via the + /// `set-status-code` method. + /// + /// * `headers` is the HTTP Headers for the Response. + @since(version = 0.2.0) + constructor(headers: headers); + + /// Get the HTTP Status Code for the Response. + @since(version = 0.2.0) + status-code: func() -> status-code; + + /// Set the HTTP Status Code for the Response. Fails if the status-code + /// given is not a valid http status code. + @since(version = 0.2.0) + set-status-code: func(status-code: status-code) -> result; + + /// Get the headers associated with the Request. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// This headers resource is a child: it must be dropped before the parent + /// `outgoing-request` is dropped, or its ownership is transferred to + /// another component by e.g. `outgoing-handler.handle`. + @since(version = 0.2.0) + headers: func() -> headers; + + /// Returns the resource corresponding to the outgoing Body for this Response. + /// + /// Returns success on the first call: the `outgoing-body` resource for + /// this `outgoing-response` can be retrieved at most once. Subsequent + /// calls will return error. + @since(version = 0.2.0) + body: func() -> result; + } + + /// Represents an outgoing HTTP Request or Response's Body. + /// + /// A body has both its contents - a stream of bytes - and a (possibly + /// empty) set of trailers, inducating the full contents of the body + /// have been sent. This resource represents the contents as an + /// `output-stream` child resource, and the completion of the body (with + /// optional trailers) with a static function that consumes the + /// `outgoing-body` resource, and ensures that the user of this interface + /// may not write to the body contents after the body has been finished. + /// + /// If the user code drops this resource, as opposed to calling the static + /// method `finish`, the implementation should treat the body as incomplete, + /// and that an error has occurred. The implementation should propagate this + /// error to the HTTP protocol by whatever means it has available, + /// including: corrupting the body on the wire, aborting the associated + /// Request, or sending a late status code for the Response. + @since(version = 0.2.0) + resource outgoing-body { + + /// Returns a stream for writing the body contents. + /// + /// The returned `output-stream` is a child resource: it must be dropped + /// before the parent `outgoing-body` resource is dropped (or finished), + /// otherwise the `outgoing-body` drop or `finish` will trap. + /// + /// Returns success on the first call: the `output-stream` resource for + /// this `outgoing-body` may be retrieved at most once. Subsequent calls + /// will return error. + @since(version = 0.2.0) + write: func() -> result; + + /// Finalize an outgoing body, optionally providing trailers. This must be + /// called to signal that the response is complete. If the `outgoing-body` + /// is dropped without calling `outgoing-body.finalize`, the implementation + /// should treat the body as corrupted. + /// + /// Fails if the body's `outgoing-request` or `outgoing-response` was + /// constructed with a Content-Length header, and the contents written + /// to the body (via `write`) does not match the value given in the + /// Content-Length. + @since(version = 0.2.0) + finish: static func( + this: outgoing-body, + trailers: option + ) -> result<_, error-code>; + } + + /// Represents a future which may eventually return an incoming HTTP + /// Response, or an error. + /// + /// This resource is returned by the `wasi:http/outgoing-handler` interface to + /// provide the HTTP Response corresponding to the sent Request. + @since(version = 0.2.0) + resource future-incoming-response { + /// Returns a pollable which becomes ready when either the Response has + /// been received, or an error has occurred. When this pollable is ready, + /// the `get` method will return `some`. + @since(version = 0.2.0) + subscribe: func() -> pollable; + + /// Returns the incoming HTTP Response, or an error, once one is ready. + /// + /// The outer `option` represents future readiness. Users can wait on this + /// `option` to become `some` using the `subscribe` method. + /// + /// The outer `result` is used to retrieve the response or error at most + /// once. It will be success on the first call in which the outer option + /// is `some`, and error on subsequent calls. + /// + /// The inner `result` represents that either the incoming HTTP Response + /// status and headers have received successfully, or that an error + /// occurred. Errors may also occur while consuming the response body, + /// but those will be reported by the `incoming-body` and its + /// `output-stream` child. + @since(version = 0.2.0) + get: func() -> option>>; + } +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/io/error.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/io/error.wit new file mode 100644 index 0000000000..97c6068779 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/io/error.wit @@ -0,0 +1,34 @@ +package wasi:io@0.2.3; + +@since(version = 0.2.0) +interface error { + /// A resource which represents some error information. + /// + /// The only method provided by this resource is `to-debug-string`, + /// which provides some human-readable information about the error. + /// + /// In the `wasi:io` package, this resource is returned through the + /// `wasi:io/streams/stream-error` type. + /// + /// To provide more specific error information, other interfaces may + /// offer functions to "downcast" this error into more specific types. For example, + /// errors returned from streams derived from filesystem types can be described using + /// the filesystem's own error-code type. This is done using the function + /// `wasi:filesystem/types/filesystem-error-code`, which takes a `borrow` + /// parameter and returns an `option`. + /// + /// The set of functions which can "downcast" an `error` into a more + /// concrete type is open. + @since(version = 0.2.0) + resource error { + /// Returns a string that is suitable to assist humans in debugging + /// this error. + /// + /// WARNING: The returned string should not be consumed mechanically! + /// It may change across platforms, hosts, or other implementation + /// details. Parsing this string is a major platform-compatibility + /// hazard. + @since(version = 0.2.0) + to-debug-string: func() -> string; + } +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/io/poll.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/io/poll.wit new file mode 100644 index 0000000000..9bcbe8e036 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/io/poll.wit @@ -0,0 +1,47 @@ +package wasi:io@0.2.3; + +/// A poll API intended to let users wait for I/O events on multiple handles +/// at once. +@since(version = 0.2.0) +interface poll { + /// `pollable` represents a single I/O event which may be ready, or not. + @since(version = 0.2.0) + resource pollable { + + /// Return the readiness of a pollable. This function never blocks. + /// + /// Returns `true` when the pollable is ready, and `false` otherwise. + @since(version = 0.2.0) + ready: func() -> bool; + + /// `block` returns immediately if the pollable is ready, and otherwise + /// blocks until ready. + /// + /// This function is equivalent to calling `poll.poll` on a list + /// containing only this pollable. + @since(version = 0.2.0) + block: func(); + } + + /// Poll for completion on a set of pollables. + /// + /// This function takes a list of pollables, which identify I/O sources of + /// interest, and waits until one or more of the events is ready for I/O. + /// + /// The result `list` contains one or more indices of handles in the + /// argument list that is ready for I/O. + /// + /// This function traps if either: + /// - the list is empty, or: + /// - the list contains more elements than can be indexed with a `u32` value. + /// + /// A timeout can be implemented by adding a pollable from the + /// wasi-clocks API to the list. + /// + /// This function does not return a `result`; polling in itself does not + /// do any I/O so it doesn't fail. If any of the I/O sources identified by + /// the pollables has an error, it is indicated by marking the source as + /// being ready for I/O. + @since(version = 0.2.0) + poll: func(in: list>) -> list; +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/io/streams.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/io/streams.wit new file mode 100644 index 0000000000..0de0846293 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/io/streams.wit @@ -0,0 +1,290 @@ +package wasi:io@0.2.3; + +/// WASI I/O is an I/O abstraction API which is currently focused on providing +/// stream types. +/// +/// In the future, the component model is expected to add built-in stream types; +/// when it does, they are expected to subsume this API. +@since(version = 0.2.0) +interface streams { + @since(version = 0.2.0) + use error.{error}; + @since(version = 0.2.0) + use poll.{pollable}; + + /// An error for input-stream and output-stream operations. + @since(version = 0.2.0) + variant stream-error { + /// The last operation (a write or flush) failed before completion. + /// + /// More information is available in the `error` payload. + /// + /// After this, the stream will be closed. All future operations return + /// `stream-error::closed`. + last-operation-failed(error), + /// The stream is closed: no more input will be accepted by the + /// stream. A closed output-stream will return this error on all + /// future operations. + closed + } + + /// An input bytestream. + /// + /// `input-stream`s are *non-blocking* to the extent practical on underlying + /// platforms. I/O operations always return promptly; if fewer bytes are + /// promptly available than requested, they return the number of bytes promptly + /// available, which could even be zero. To wait for data to be available, + /// use the `subscribe` function to obtain a `pollable` which can be polled + /// for using `wasi:io/poll`. + @since(version = 0.2.0) + resource input-stream { + /// Perform a non-blocking read from the stream. + /// + /// When the source of a `read` is binary data, the bytes from the source + /// are returned verbatim. When the source of a `read` is known to the + /// implementation to be text, bytes containing the UTF-8 encoding of the + /// text are returned. + /// + /// This function returns a list of bytes containing the read data, + /// when successful. The returned list will contain up to `len` bytes; + /// it may return fewer than requested, but not more. The list is + /// empty when no bytes are available for reading at this time. The + /// pollable given by `subscribe` will be ready when more bytes are + /// available. + /// + /// This function fails with a `stream-error` when the operation + /// encounters an error, giving `last-operation-failed`, or when the + /// stream is closed, giving `closed`. + /// + /// When the caller gives a `len` of 0, it represents a request to + /// read 0 bytes. If the stream is still open, this call should + /// succeed and return an empty list, or otherwise fail with `closed`. + /// + /// The `len` parameter is a `u64`, which could represent a list of u8 which + /// is not possible to allocate in wasm32, or not desirable to allocate as + /// as a return value by the callee. The callee may return a list of bytes + /// less than `len` in size while more bytes are available for reading. + @since(version = 0.2.0) + read: func( + /// The maximum number of bytes to read + len: u64 + ) -> result, stream-error>; + + /// Read bytes from a stream, after blocking until at least one byte can + /// be read. Except for blocking, behavior is identical to `read`. + @since(version = 0.2.0) + blocking-read: func( + /// The maximum number of bytes to read + len: u64 + ) -> result, stream-error>; + + /// Skip bytes from a stream. Returns number of bytes skipped. + /// + /// Behaves identical to `read`, except instead of returning a list + /// of bytes, returns the number of bytes consumed from the stream. + @since(version = 0.2.0) + skip: func( + /// The maximum number of bytes to skip. + len: u64, + ) -> result; + + /// Skip bytes from a stream, after blocking until at least one byte + /// can be skipped. Except for blocking behavior, identical to `skip`. + @since(version = 0.2.0) + blocking-skip: func( + /// The maximum number of bytes to skip. + len: u64, + ) -> result; + + /// Create a `pollable` which will resolve once either the specified stream + /// has bytes available to read or the other end of the stream has been + /// closed. + /// The created `pollable` is a child resource of the `input-stream`. + /// Implementations may trap if the `input-stream` is dropped before + /// all derived `pollable`s created with this function are dropped. + @since(version = 0.2.0) + subscribe: func() -> pollable; + } + + + /// An output bytestream. + /// + /// `output-stream`s are *non-blocking* to the extent practical on + /// underlying platforms. Except where specified otherwise, I/O operations also + /// always return promptly, after the number of bytes that can be written + /// promptly, which could even be zero. To wait for the stream to be ready to + /// accept data, the `subscribe` function to obtain a `pollable` which can be + /// polled for using `wasi:io/poll`. + /// + /// Dropping an `output-stream` while there's still an active write in + /// progress may result in the data being lost. Before dropping the stream, + /// be sure to fully flush your writes. + @since(version = 0.2.0) + resource output-stream { + /// Check readiness for writing. This function never blocks. + /// + /// Returns the number of bytes permitted for the next call to `write`, + /// or an error. Calling `write` with more bytes than this function has + /// permitted will trap. + /// + /// When this function returns 0 bytes, the `subscribe` pollable will + /// become ready when this function will report at least 1 byte, or an + /// error. + @since(version = 0.2.0) + check-write: func() -> result; + + /// Perform a write. This function never blocks. + /// + /// When the destination of a `write` is binary data, the bytes from + /// `contents` are written verbatim. When the destination of a `write` is + /// known to the implementation to be text, the bytes of `contents` are + /// transcoded from UTF-8 into the encoding of the destination and then + /// written. + /// + /// Precondition: check-write gave permit of Ok(n) and contents has a + /// length of less than or equal to n. Otherwise, this function will trap. + /// + /// returns Err(closed) without writing if the stream has closed since + /// the last call to check-write provided a permit. + @since(version = 0.2.0) + write: func( + contents: list + ) -> result<_, stream-error>; + + /// Perform a write of up to 4096 bytes, and then flush the stream. Block + /// until all of these operations are complete, or an error occurs. + /// + /// This is a convenience wrapper around the use of `check-write`, + /// `subscribe`, `write`, and `flush`, and is implemented with the + /// following pseudo-code: + /// + /// ```text + /// let pollable = this.subscribe(); + /// while !contents.is_empty() { + /// // Wait for the stream to become writable + /// pollable.block(); + /// let Ok(n) = this.check-write(); // eliding error handling + /// let len = min(n, contents.len()); + /// let (chunk, rest) = contents.split_at(len); + /// this.write(chunk ); // eliding error handling + /// contents = rest; + /// } + /// this.flush(); + /// // Wait for completion of `flush` + /// pollable.block(); + /// // Check for any errors that arose during `flush` + /// let _ = this.check-write(); // eliding error handling + /// ``` + @since(version = 0.2.0) + blocking-write-and-flush: func( + contents: list + ) -> result<_, stream-error>; + + /// Request to flush buffered output. This function never blocks. + /// + /// This tells the output-stream that the caller intends any buffered + /// output to be flushed. the output which is expected to be flushed + /// is all that has been passed to `write` prior to this call. + /// + /// Upon calling this function, the `output-stream` will not accept any + /// writes (`check-write` will return `ok(0)`) until the flush has + /// completed. The `subscribe` pollable will become ready when the + /// flush has completed and the stream can accept more writes. + @since(version = 0.2.0) + flush: func() -> result<_, stream-error>; + + /// Request to flush buffered output, and block until flush completes + /// and stream is ready for writing again. + @since(version = 0.2.0) + blocking-flush: func() -> result<_, stream-error>; + + /// Create a `pollable` which will resolve once the output-stream + /// is ready for more writing, or an error has occurred. When this + /// pollable is ready, `check-write` will return `ok(n)` with n>0, or an + /// error. + /// + /// If the stream is closed, this pollable is always ready immediately. + /// + /// The created `pollable` is a child resource of the `output-stream`. + /// Implementations may trap if the `output-stream` is dropped before + /// all derived `pollable`s created with this function are dropped. + @since(version = 0.2.0) + subscribe: func() -> pollable; + + /// Write zeroes to a stream. + /// + /// This should be used precisely like `write` with the exact same + /// preconditions (must use check-write first), but instead of + /// passing a list of bytes, you simply pass the number of zero-bytes + /// that should be written. + @since(version = 0.2.0) + write-zeroes: func( + /// The number of zero-bytes to write + len: u64 + ) -> result<_, stream-error>; + + /// Perform a write of up to 4096 zeroes, and then flush the stream. + /// Block until all of these operations are complete, or an error + /// occurs. + /// + /// This is a convenience wrapper around the use of `check-write`, + /// `subscribe`, `write-zeroes`, and `flush`, and is implemented with + /// the following pseudo-code: + /// + /// ```text + /// let pollable = this.subscribe(); + /// while num_zeroes != 0 { + /// // Wait for the stream to become writable + /// pollable.block(); + /// let Ok(n) = this.check-write(); // eliding error handling + /// let len = min(n, num_zeroes); + /// this.write-zeroes(len); // eliding error handling + /// num_zeroes -= len; + /// } + /// this.flush(); + /// // Wait for completion of `flush` + /// pollable.block(); + /// // Check for any errors that arose during `flush` + /// let _ = this.check-write(); // eliding error handling + /// ``` + @since(version = 0.2.0) + blocking-write-zeroes-and-flush: func( + /// The number of zero-bytes to write + len: u64 + ) -> result<_, stream-error>; + + /// Read from one stream and write to another. + /// + /// The behavior of splice is equivalent to: + /// 1. calling `check-write` on the `output-stream` + /// 2. calling `read` on the `input-stream` with the smaller of the + /// `check-write` permitted length and the `len` provided to `splice` + /// 3. calling `write` on the `output-stream` with that read data. + /// + /// Any error reported by the call to `check-write`, `read`, or + /// `write` ends the splice and reports that error. + /// + /// This function returns the number of bytes transferred; it may be less + /// than `len`. + @since(version = 0.2.0) + splice: func( + /// The stream to read from + src: borrow, + /// The number of bytes to splice + len: u64, + ) -> result; + + /// Read from one stream and write to another, with blocking. + /// + /// This is similar to `splice`, except that it blocks until the + /// `output-stream` is ready for writing, and the `input-stream` + /// is ready for reading, before performing the `splice`. + @since(version = 0.2.0) + blocking-splice: func( + /// The stream to read from + src: borrow, + /// The number of bytes to splice + len: u64, + ) -> result; + } +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/io/world.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/io/world.wit new file mode 100644 index 0000000000..f1d2102dca --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/io/world.wit @@ -0,0 +1,10 @@ +package wasi:io@0.2.3; + +@since(version = 0.2.0) +world imports { + @since(version = 0.2.0) + import streams; + + @since(version = 0.2.0) + import poll; +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/random/insecure-seed.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/random/insecure-seed.wit new file mode 100644 index 0000000000..67d024d5bf --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/random/insecure-seed.wit @@ -0,0 +1,27 @@ +package wasi:random@0.2.3; +/// The insecure-seed interface for seeding hash-map DoS resistance. +/// +/// It is intended to be portable at least between Unix-family platforms and +/// Windows. +@since(version = 0.2.0) +interface insecure-seed { + /// Return a 128-bit value that may contain a pseudo-random value. + /// + /// The returned value is not required to be computed from a CSPRNG, and may + /// even be entirely deterministic. Host implementations are encouraged to + /// provide pseudo-random values to any program exposed to + /// attacker-controlled content, to enable DoS protection built into many + /// languages' hash-map implementations. + /// + /// This function is intended to only be called once, by a source language + /// to initialize Denial Of Service (DoS) protection in its hash-map + /// implementation. + /// + /// # Expected future evolution + /// + /// This will likely be changed to a value import, to prevent it from being + /// called multiple times and potentially used for purposes other than DoS + /// protection. + @since(version = 0.2.0) + insecure-seed: func() -> tuple; +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/random/insecure.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/random/insecure.wit new file mode 100644 index 0000000000..a07dfab327 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/random/insecure.wit @@ -0,0 +1,25 @@ +package wasi:random@0.2.3; +/// The insecure interface for insecure pseudo-random numbers. +/// +/// It is intended to be portable at least between Unix-family platforms and +/// Windows. +@since(version = 0.2.0) +interface insecure { + /// Return `len` insecure pseudo-random bytes. + /// + /// This function is not cryptographically secure. Do not use it for + /// anything related to security. + /// + /// There are no requirements on the values of the returned bytes, however + /// implementations are encouraged to return evenly distributed values with + /// a long period. + @since(version = 0.2.0) + get-insecure-random-bytes: func(len: u64) -> list; + + /// Return an insecure pseudo-random `u64` value. + /// + /// This function returns the same type of pseudo-random data as + /// `get-insecure-random-bytes`, represented as a `u64`. + @since(version = 0.2.0) + get-insecure-random-u64: func() -> u64; +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/random/random.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/random/random.wit new file mode 100644 index 0000000000..91957e6330 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/random/random.wit @@ -0,0 +1,29 @@ +package wasi:random@0.2.3; +/// WASI Random is a random data API. +/// +/// It is intended to be portable at least between Unix-family platforms and +/// Windows. +@since(version = 0.2.0) +interface random { + /// Return `len` cryptographically-secure random or pseudo-random bytes. + /// + /// This function must produce data at least as cryptographically secure and + /// fast as an adequately seeded cryptographically-secure pseudo-random + /// number generator (CSPRNG). It must not block, from the perspective of + /// the calling program, under any circumstances, including on the first + /// request and on requests for numbers of bytes. The returned data must + /// always be unpredictable. + /// + /// This function must always return fresh data. Deterministic environments + /// must omit this function, rather than implementing it with deterministic + /// data. + @since(version = 0.2.0) + get-random-bytes: func(len: u64) -> list; + + /// Return a cryptographically-secure random or pseudo-random `u64` value. + /// + /// This function returns the same type of data as `get-random-bytes`, + /// represented as a `u64`. + @since(version = 0.2.0) + get-random-u64: func() -> u64; +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/random/world.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/random/world.wit new file mode 100644 index 0000000000..0c1218f36e --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/random/world.wit @@ -0,0 +1,13 @@ +package wasi:random@0.2.3; + +@since(version = 0.2.0) +world imports { + @since(version = 0.2.0) + import random; + + @since(version = 0.2.0) + import insecure; + + @since(version = 0.2.0) + import insecure-seed; +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/instance-network.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/instance-network.wit new file mode 100644 index 0000000000..5f6e6c1cc9 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/instance-network.wit @@ -0,0 +1,11 @@ + +/// This interface provides a value-export of the default network handle.. +@since(version = 0.2.0) +interface instance-network { + @since(version = 0.2.0) + use network.{network}; + + /// Get a handle to the default network. + @since(version = 0.2.0) + instance-network: func() -> network; +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/ip-name-lookup.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/ip-name-lookup.wit new file mode 100644 index 0000000000..c1d8a47c16 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/ip-name-lookup.wit @@ -0,0 +1,56 @@ +@since(version = 0.2.0) +interface ip-name-lookup { + @since(version = 0.2.0) + use wasi:io/poll@0.2.3.{pollable}; + @since(version = 0.2.0) + use network.{network, error-code, ip-address}; + + /// Resolve an internet host name to a list of IP addresses. + /// + /// Unicode domain names are automatically converted to ASCII using IDNA encoding. + /// If the input is an IP address string, the address is parsed and returned + /// as-is without making any external requests. + /// + /// See the wasi-socket proposal README.md for a comparison with getaddrinfo. + /// + /// This function never blocks. It either immediately fails or immediately + /// returns successfully with a `resolve-address-stream` that can be used + /// to (asynchronously) fetch the results. + /// + /// # Typical errors + /// - `invalid-argument`: `name` is a syntactically invalid domain name or IP address. + /// + /// # References: + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + resolve-addresses: func(network: borrow, name: string) -> result; + + @since(version = 0.2.0) + resource resolve-address-stream { + /// Returns the next address from the resolver. + /// + /// This function should be called multiple times. On each call, it will + /// return the next address in connection order preference. If all + /// addresses have been exhausted, this function returns `none`. + /// + /// This function never returns IPv4-mapped IPv6 addresses. + /// + /// # Typical errors + /// - `name-unresolvable`: Name does not exist or has no suitable associated IP addresses. (EAI_NONAME, EAI_NODATA, EAI_ADDRFAMILY) + /// - `temporary-resolver-failure`: A temporary failure in name resolution occurred. (EAI_AGAIN) + /// - `permanent-resolver-failure`: A permanent failure in name resolution occurred. (EAI_FAIL) + /// - `would-block`: A result is not available yet. (EWOULDBLOCK, EAGAIN) + @since(version = 0.2.0) + resolve-next-address: func() -> result, error-code>; + + /// Create a `pollable` which will resolve once the stream is ready for I/O. + /// + /// Note: this function is here for WASI 0.2 only. + /// It's planned to be removed when `future` is natively supported in Preview3. + @since(version = 0.2.0) + subscribe: func() -> pollable; + } +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/network.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/network.wit new file mode 100644 index 0000000000..f3f60a3709 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/network.wit @@ -0,0 +1,169 @@ +@since(version = 0.2.0) +interface network { + @unstable(feature = network-error-code) + use wasi:io/error@0.2.3.{error}; + + /// An opaque resource that represents access to (a subset of) the network. + /// This enables context-based security for networking. + /// There is no need for this to map 1:1 to a physical network interface. + @since(version = 0.2.0) + resource network; + + /// Error codes. + /// + /// In theory, every API can return any error code. + /// In practice, API's typically only return the errors documented per API + /// combined with a couple of errors that are always possible: + /// - `unknown` + /// - `access-denied` + /// - `not-supported` + /// - `out-of-memory` + /// - `concurrency-conflict` + /// + /// See each individual API for what the POSIX equivalents are. They sometimes differ per API. + @since(version = 0.2.0) + enum error-code { + /// Unknown error + unknown, + + /// Access denied. + /// + /// POSIX equivalent: EACCES, EPERM + access-denied, + + /// The operation is not supported. + /// + /// POSIX equivalent: EOPNOTSUPP + not-supported, + + /// One of the arguments is invalid. + /// + /// POSIX equivalent: EINVAL + invalid-argument, + + /// Not enough memory to complete the operation. + /// + /// POSIX equivalent: ENOMEM, ENOBUFS, EAI_MEMORY + out-of-memory, + + /// The operation timed out before it could finish completely. + timeout, + + /// This operation is incompatible with another asynchronous operation that is already in progress. + /// + /// POSIX equivalent: EALREADY + concurrency-conflict, + + /// Trying to finish an asynchronous operation that: + /// - has not been started yet, or: + /// - was already finished by a previous `finish-*` call. + /// + /// Note: this is scheduled to be removed when `future`s are natively supported. + not-in-progress, + + /// The operation has been aborted because it could not be completed immediately. + /// + /// Note: this is scheduled to be removed when `future`s are natively supported. + would-block, + + + /// The operation is not valid in the socket's current state. + invalid-state, + + /// A new socket resource could not be created because of a system limit. + new-socket-limit, + + /// A bind operation failed because the provided address is not an address that the `network` can bind to. + address-not-bindable, + + /// A bind operation failed because the provided address is already in use or because there are no ephemeral ports available. + address-in-use, + + /// The remote address is not reachable + remote-unreachable, + + + /// The TCP connection was forcefully rejected + connection-refused, + + /// The TCP connection was reset. + connection-reset, + + /// A TCP connection was aborted. + connection-aborted, + + + /// The size of a datagram sent to a UDP socket exceeded the maximum + /// supported size. + datagram-too-large, + + + /// Name does not exist or has no suitable associated IP addresses. + name-unresolvable, + + /// A temporary failure in name resolution occurred. + temporary-resolver-failure, + + /// A permanent failure in name resolution occurred. + permanent-resolver-failure, + } + + /// Attempts to extract a network-related `error-code` from the stream + /// `error` provided. + /// + /// Stream operations which return `stream-error::last-operation-failed` + /// have a payload with more information about the operation that failed. + /// This payload can be passed through to this function to see if there's + /// network-related information about the error to return. + /// + /// Note that this function is fallible because not all stream-related + /// errors are network-related errors. + @unstable(feature = network-error-code) + network-error-code: func(err: borrow) -> option; + + @since(version = 0.2.0) + enum ip-address-family { + /// Similar to `AF_INET` in POSIX. + ipv4, + + /// Similar to `AF_INET6` in POSIX. + ipv6, + } + + @since(version = 0.2.0) + type ipv4-address = tuple; + @since(version = 0.2.0) + type ipv6-address = tuple; + + @since(version = 0.2.0) + variant ip-address { + ipv4(ipv4-address), + ipv6(ipv6-address), + } + + @since(version = 0.2.0) + record ipv4-socket-address { + /// sin_port + port: u16, + /// sin_addr + address: ipv4-address, + } + + @since(version = 0.2.0) + record ipv6-socket-address { + /// sin6_port + port: u16, + /// sin6_flowinfo + flow-info: u32, + /// sin6_addr + address: ipv6-address, + /// sin6_scope_id + scope-id: u32, + } + + @since(version = 0.2.0) + variant ip-socket-address { + ipv4(ipv4-socket-address), + ipv6(ipv6-socket-address), + } +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/tcp-create-socket.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/tcp-create-socket.wit new file mode 100644 index 0000000000..eedbd30768 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/tcp-create-socket.wit @@ -0,0 +1,30 @@ +@since(version = 0.2.0) +interface tcp-create-socket { + @since(version = 0.2.0) + use network.{network, error-code, ip-address-family}; + @since(version = 0.2.0) + use tcp.{tcp-socket}; + + /// Create a new TCP socket. + /// + /// Similar to `socket(AF_INET or AF_INET6, SOCK_STREAM, IPPROTO_TCP)` in POSIX. + /// On IPv6 sockets, IPV6_V6ONLY is enabled by default and can't be configured otherwise. + /// + /// This function does not require a network capability handle. This is considered to be safe because + /// at time of creation, the socket is not bound to any `network` yet. Up to the moment `bind`/`connect` + /// is called, the socket is effectively an in-memory configuration object, unable to communicate with the outside world. + /// + /// All sockets are non-blocking. Use the wasi-poll interface to block on asynchronous operations. + /// + /// # Typical errors + /// - `not-supported`: The specified `address-family` is not supported. (EAFNOSUPPORT) + /// - `new-socket-limit`: The new socket resource could not be created because of a system limit. (EMFILE, ENFILE) + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + create-tcp-socket: func(address-family: ip-address-family) -> result; +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/tcp.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/tcp.wit new file mode 100644 index 0000000000..b4cd87fcef --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/tcp.wit @@ -0,0 +1,387 @@ +@since(version = 0.2.0) +interface tcp { + @since(version = 0.2.0) + use wasi:io/streams@0.2.3.{input-stream, output-stream}; + @since(version = 0.2.0) + use wasi:io/poll@0.2.3.{pollable}; + @since(version = 0.2.0) + use wasi:clocks/monotonic-clock@0.2.3.{duration}; + @since(version = 0.2.0) + use network.{network, error-code, ip-socket-address, ip-address-family}; + + @since(version = 0.2.0) + enum shutdown-type { + /// Similar to `SHUT_RD` in POSIX. + receive, + + /// Similar to `SHUT_WR` in POSIX. + send, + + /// Similar to `SHUT_RDWR` in POSIX. + both, + } + + /// A TCP socket resource. + /// + /// The socket can be in one of the following states: + /// - `unbound` + /// - `bind-in-progress` + /// - `bound` (See note below) + /// - `listen-in-progress` + /// - `listening` + /// - `connect-in-progress` + /// - `connected` + /// - `closed` + /// See + /// for more information. + /// + /// Note: Except where explicitly mentioned, whenever this documentation uses + /// the term "bound" without backticks it actually means: in the `bound` state *or higher*. + /// (i.e. `bound`, `listen-in-progress`, `listening`, `connect-in-progress` or `connected`) + /// + /// In addition to the general error codes documented on the + /// `network::error-code` type, TCP socket methods may always return + /// `error(invalid-state)` when in the `closed` state. + @since(version = 0.2.0) + resource tcp-socket { + /// Bind the socket to a specific network on the provided IP address and port. + /// + /// If the IP address is zero (`0.0.0.0` in IPv4, `::` in IPv6), it is left to the implementation to decide which + /// network interface(s) to bind to. + /// If the TCP/UDP port is zero, the socket will be bound to a random free port. + /// + /// Bind can be attempted multiple times on the same socket, even with + /// different arguments on each iteration. But never concurrently and + /// only as long as the previous bind failed. Once a bind succeeds, the + /// binding can't be changed anymore. + /// + /// # Typical errors + /// - `invalid-argument`: The `local-address` has the wrong address family. (EAFNOSUPPORT, EFAULT on Windows) + /// - `invalid-argument`: `local-address` is not a unicast address. (EINVAL) + /// - `invalid-argument`: `local-address` is an IPv4-mapped IPv6 address. (EINVAL) + /// - `invalid-state`: The socket is already bound. (EINVAL) + /// - `address-in-use`: No ephemeral ports available. (EADDRINUSE, ENOBUFS on Windows) + /// - `address-in-use`: Address is already in use. (EADDRINUSE) + /// - `address-not-bindable`: `local-address` is not an address that the `network` can bind to. (EADDRNOTAVAIL) + /// - `not-in-progress`: A `bind` operation is not in progress. + /// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN) + /// + /// # Implementors note + /// When binding to a non-zero port, this bind operation shouldn't be affected by the TIME_WAIT + /// state of a recently closed socket on the same local address. In practice this means that the SO_REUSEADDR + /// socket option should be set implicitly on all platforms, except on Windows where this is the default behavior + /// and SO_REUSEADDR performs something different entirely. + /// + /// Unlike in POSIX, in WASI the bind operation is async. This enables + /// interactive WASI hosts to inject permission prompts. Runtimes that + /// don't want to make use of this ability can simply call the native + /// `bind` as part of either `start-bind` or `finish-bind`. + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + start-bind: func(network: borrow, local-address: ip-socket-address) -> result<_, error-code>; + @since(version = 0.2.0) + finish-bind: func() -> result<_, error-code>; + + /// Connect to a remote endpoint. + /// + /// On success: + /// - the socket is transitioned into the `connected` state. + /// - a pair of streams is returned that can be used to read & write to the connection + /// + /// After a failed connection attempt, the socket will be in the `closed` + /// state and the only valid action left is to `drop` the socket. A single + /// socket can not be used to connect more than once. + /// + /// # Typical errors + /// - `invalid-argument`: The `remote-address` has the wrong address family. (EAFNOSUPPORT) + /// - `invalid-argument`: `remote-address` is not a unicast address. (EINVAL, ENETUNREACH on Linux, EAFNOSUPPORT on MacOS) + /// - `invalid-argument`: `remote-address` is an IPv4-mapped IPv6 address. (EINVAL, EADDRNOTAVAIL on Illumos) + /// - `invalid-argument`: The IP address in `remote-address` is set to INADDR_ANY (`0.0.0.0` / `::`). (EADDRNOTAVAIL on Windows) + /// - `invalid-argument`: The port in `remote-address` is set to 0. (EADDRNOTAVAIL on Windows) + /// - `invalid-argument`: The socket is already attached to a different network. The `network` passed to `connect` must be identical to the one passed to `bind`. + /// - `invalid-state`: The socket is already in the `connected` state. (EISCONN) + /// - `invalid-state`: The socket is already in the `listening` state. (EOPNOTSUPP, EINVAL on Windows) + /// - `timeout`: Connection timed out. (ETIMEDOUT) + /// - `connection-refused`: The connection was forcefully rejected. (ECONNREFUSED) + /// - `connection-reset`: The connection was reset. (ECONNRESET) + /// - `connection-aborted`: The connection was aborted. (ECONNABORTED) + /// - `remote-unreachable`: The remote address is not reachable. (EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET) + /// - `address-in-use`: Tried to perform an implicit bind, but there were no ephemeral ports available. (EADDRINUSE, EADDRNOTAVAIL on Linux, EAGAIN on BSD) + /// - `not-in-progress`: A connect operation is not in progress. + /// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN) + /// + /// # Implementors note + /// The POSIX equivalent of `start-connect` is the regular `connect` syscall. + /// Because all WASI sockets are non-blocking this is expected to return + /// EINPROGRESS, which should be translated to `ok()` in WASI. + /// + /// The POSIX equivalent of `finish-connect` is a `poll` for event `POLLOUT` + /// with a timeout of 0 on the socket descriptor. Followed by a check for + /// the `SO_ERROR` socket option, in case the poll signaled readiness. + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + start-connect: func(network: borrow, remote-address: ip-socket-address) -> result<_, error-code>; + @since(version = 0.2.0) + finish-connect: func() -> result, error-code>; + + /// Start listening for new connections. + /// + /// Transitions the socket into the `listening` state. + /// + /// Unlike POSIX, the socket must already be explicitly bound. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not bound to any local address. (EDESTADDRREQ) + /// - `invalid-state`: The socket is already in the `connected` state. (EISCONN, EINVAL on BSD) + /// - `invalid-state`: The socket is already in the `listening` state. + /// - `address-in-use`: Tried to perform an implicit bind, but there were no ephemeral ports available. (EADDRINUSE) + /// - `not-in-progress`: A listen operation is not in progress. + /// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN) + /// + /// # Implementors note + /// Unlike in POSIX, in WASI the listen operation is async. This enables + /// interactive WASI hosts to inject permission prompts. Runtimes that + /// don't want to make use of this ability can simply call the native + /// `listen` as part of either `start-listen` or `finish-listen`. + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + start-listen: func() -> result<_, error-code>; + @since(version = 0.2.0) + finish-listen: func() -> result<_, error-code>; + + /// Accept a new client socket. + /// + /// The returned socket is bound and in the `connected` state. The following properties are inherited from the listener socket: + /// - `address-family` + /// - `keep-alive-enabled` + /// - `keep-alive-idle-time` + /// - `keep-alive-interval` + /// - `keep-alive-count` + /// - `hop-limit` + /// - `receive-buffer-size` + /// - `send-buffer-size` + /// + /// On success, this function returns the newly accepted client socket along with + /// a pair of streams that can be used to read & write to the connection. + /// + /// # Typical errors + /// - `invalid-state`: Socket is not in the `listening` state. (EINVAL) + /// - `would-block`: No pending connections at the moment. (EWOULDBLOCK, EAGAIN) + /// - `connection-aborted`: An incoming connection was pending, but was terminated by the client before this listener could accept it. (ECONNABORTED) + /// - `new-socket-limit`: The new socket resource could not be created because of a system limit. (EMFILE, ENFILE) + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + accept: func() -> result, error-code>; + + /// Get the bound local address. + /// + /// POSIX mentions: + /// > If the socket has not been bound to a local name, the value + /// > stored in the object pointed to by `address` is unspecified. + /// + /// WASI is stricter and requires `local-address` to return `invalid-state` when the socket hasn't been bound yet. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not bound to any local address. + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + local-address: func() -> result; + + /// Get the remote address. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not connected to a remote address. (ENOTCONN) + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + remote-address: func() -> result; + + /// Whether the socket is in the `listening` state. + /// + /// Equivalent to the SO_ACCEPTCONN socket option. + @since(version = 0.2.0) + is-listening: func() -> bool; + + /// Whether this is a IPv4 or IPv6 socket. + /// + /// Equivalent to the SO_DOMAIN socket option. + @since(version = 0.2.0) + address-family: func() -> ip-address-family; + + /// Hints the desired listen queue size. Implementations are free to ignore this. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// + /// # Typical errors + /// - `not-supported`: (set) The platform does not support changing the backlog size after the initial listen. + /// - `invalid-argument`: (set) The provided value was 0. + /// - `invalid-state`: (set) The socket is in the `connect-in-progress` or `connected` state. + @since(version = 0.2.0) + set-listen-backlog-size: func(value: u64) -> result<_, error-code>; + + /// Enables or disables keepalive. + /// + /// The keepalive behavior can be adjusted using: + /// - `keep-alive-idle-time` + /// - `keep-alive-interval` + /// - `keep-alive-count` + /// These properties can be configured while `keep-alive-enabled` is false, but only come into effect when `keep-alive-enabled` is true. + /// + /// Equivalent to the SO_KEEPALIVE socket option. + @since(version = 0.2.0) + keep-alive-enabled: func() -> result; + @since(version = 0.2.0) + set-keep-alive-enabled: func(value: bool) -> result<_, error-code>; + + /// Amount of time the connection has to be idle before TCP starts sending keepalive packets. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// I.e. after setting a value, reading the same setting back may return a different value. + /// + /// Equivalent to the TCP_KEEPIDLE socket option. (TCP_KEEPALIVE on MacOS) + /// + /// # Typical errors + /// - `invalid-argument`: (set) The provided value was 0. + @since(version = 0.2.0) + keep-alive-idle-time: func() -> result; + @since(version = 0.2.0) + set-keep-alive-idle-time: func(value: duration) -> result<_, error-code>; + + /// The time between keepalive packets. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// I.e. after setting a value, reading the same setting back may return a different value. + /// + /// Equivalent to the TCP_KEEPINTVL socket option. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The provided value was 0. + @since(version = 0.2.0) + keep-alive-interval: func() -> result; + @since(version = 0.2.0) + set-keep-alive-interval: func(value: duration) -> result<_, error-code>; + + /// The maximum amount of keepalive packets TCP should send before aborting the connection. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// I.e. after setting a value, reading the same setting back may return a different value. + /// + /// Equivalent to the TCP_KEEPCNT socket option. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The provided value was 0. + @since(version = 0.2.0) + keep-alive-count: func() -> result; + @since(version = 0.2.0) + set-keep-alive-count: func(value: u32) -> result<_, error-code>; + + /// Equivalent to the IP_TTL & IPV6_UNICAST_HOPS socket options. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The TTL value must be 1 or higher. + @since(version = 0.2.0) + hop-limit: func() -> result; + @since(version = 0.2.0) + set-hop-limit: func(value: u8) -> result<_, error-code>; + + /// The kernel buffer space reserved for sends/receives on this socket. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// I.e. after setting a value, reading the same setting back may return a different value. + /// + /// Equivalent to the SO_RCVBUF and SO_SNDBUF socket options. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The provided value was 0. + @since(version = 0.2.0) + receive-buffer-size: func() -> result; + @since(version = 0.2.0) + set-receive-buffer-size: func(value: u64) -> result<_, error-code>; + @since(version = 0.2.0) + send-buffer-size: func() -> result; + @since(version = 0.2.0) + set-send-buffer-size: func(value: u64) -> result<_, error-code>; + + /// Create a `pollable` which can be used to poll for, or block on, + /// completion of any of the asynchronous operations of this socket. + /// + /// When `finish-bind`, `finish-listen`, `finish-connect` or `accept` + /// return `error(would-block)`, this pollable can be used to wait for + /// their success or failure, after which the method can be retried. + /// + /// The pollable is not limited to the async operation that happens to be + /// in progress at the time of calling `subscribe` (if any). Theoretically, + /// `subscribe` only has to be called once per socket and can then be + /// (re)used for the remainder of the socket's lifetime. + /// + /// See + /// for more information. + /// + /// Note: this function is here for WASI 0.2 only. + /// It's planned to be removed when `future` is natively supported in Preview3. + @since(version = 0.2.0) + subscribe: func() -> pollable; + + /// Initiate a graceful shutdown. + /// + /// - `receive`: The socket is not expecting to receive any data from + /// the peer. The `input-stream` associated with this socket will be + /// closed. Any data still in the receive queue at time of calling + /// this method will be discarded. + /// - `send`: The socket has no more data to send to the peer. The `output-stream` + /// associated with this socket will be closed and a FIN packet will be sent. + /// - `both`: Same effect as `receive` & `send` combined. + /// + /// This function is idempotent; shutting down a direction more than once + /// has no effect and returns `ok`. + /// + /// The shutdown function does not close (drop) the socket. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not in the `connected` state. (ENOTCONN) + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + shutdown: func(shutdown-type: shutdown-type) -> result<_, error-code>; + } +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/udp-create-socket.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/udp-create-socket.wit new file mode 100644 index 0000000000..e8eeacbfef --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/udp-create-socket.wit @@ -0,0 +1,30 @@ +@since(version = 0.2.0) +interface udp-create-socket { + @since(version = 0.2.0) + use network.{network, error-code, ip-address-family}; + @since(version = 0.2.0) + use udp.{udp-socket}; + + /// Create a new UDP socket. + /// + /// Similar to `socket(AF_INET or AF_INET6, SOCK_DGRAM, IPPROTO_UDP)` in POSIX. + /// On IPv6 sockets, IPV6_V6ONLY is enabled by default and can't be configured otherwise. + /// + /// This function does not require a network capability handle. This is considered to be safe because + /// at time of creation, the socket is not bound to any `network` yet. Up to the moment `bind` is called, + /// the socket is effectively an in-memory configuration object, unable to communicate with the outside world. + /// + /// All sockets are non-blocking. Use the wasi-poll interface to block on asynchronous operations. + /// + /// # Typical errors + /// - `not-supported`: The specified `address-family` is not supported. (EAFNOSUPPORT) + /// - `new-socket-limit`: The new socket resource could not be created because of a system limit. (EMFILE, ENFILE) + /// + /// # References: + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + create-udp-socket: func(address-family: ip-address-family) -> result; +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/udp.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/udp.wit new file mode 100644 index 0000000000..01901ca27f --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/udp.wit @@ -0,0 +1,288 @@ +@since(version = 0.2.0) +interface udp { + @since(version = 0.2.0) + use wasi:io/poll@0.2.3.{pollable}; + @since(version = 0.2.0) + use network.{network, error-code, ip-socket-address, ip-address-family}; + + /// A received datagram. + @since(version = 0.2.0) + record incoming-datagram { + /// The payload. + /// + /// Theoretical max size: ~64 KiB. In practice, typically less than 1500 bytes. + data: list, + + /// The source address. + /// + /// This field is guaranteed to match the remote address the stream was initialized with, if any. + /// + /// Equivalent to the `src_addr` out parameter of `recvfrom`. + remote-address: ip-socket-address, + } + + /// A datagram to be sent out. + @since(version = 0.2.0) + record outgoing-datagram { + /// The payload. + data: list, + + /// The destination address. + /// + /// The requirements on this field depend on how the stream was initialized: + /// - with a remote address: this field must be None or match the stream's remote address exactly. + /// - without a remote address: this field is required. + /// + /// If this value is None, the send operation is equivalent to `send` in POSIX. Otherwise it is equivalent to `sendto`. + remote-address: option, + } + + /// A UDP socket handle. + @since(version = 0.2.0) + resource udp-socket { + /// Bind the socket to a specific network on the provided IP address and port. + /// + /// If the IP address is zero (`0.0.0.0` in IPv4, `::` in IPv6), it is left to the implementation to decide which + /// network interface(s) to bind to. + /// If the port is zero, the socket will be bound to a random free port. + /// + /// # Typical errors + /// - `invalid-argument`: The `local-address` has the wrong address family. (EAFNOSUPPORT, EFAULT on Windows) + /// - `invalid-state`: The socket is already bound. (EINVAL) + /// - `address-in-use`: No ephemeral ports available. (EADDRINUSE, ENOBUFS on Windows) + /// - `address-in-use`: Address is already in use. (EADDRINUSE) + /// - `address-not-bindable`: `local-address` is not an address that the `network` can bind to. (EADDRNOTAVAIL) + /// - `not-in-progress`: A `bind` operation is not in progress. + /// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN) + /// + /// # Implementors note + /// Unlike in POSIX, in WASI the bind operation is async. This enables + /// interactive WASI hosts to inject permission prompts. Runtimes that + /// don't want to make use of this ability can simply call the native + /// `bind` as part of either `start-bind` or `finish-bind`. + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + start-bind: func(network: borrow, local-address: ip-socket-address) -> result<_, error-code>; + @since(version = 0.2.0) + finish-bind: func() -> result<_, error-code>; + + /// Set up inbound & outbound communication channels, optionally to a specific peer. + /// + /// This function only changes the local socket configuration and does not generate any network traffic. + /// On success, the `remote-address` of the socket is updated. The `local-address` may be updated as well, + /// based on the best network path to `remote-address`. + /// + /// When a `remote-address` is provided, the returned streams are limited to communicating with that specific peer: + /// - `send` can only be used to send to this destination. + /// - `receive` will only return datagrams sent from the provided `remote-address`. + /// + /// This method may be called multiple times on the same socket to change its association, but + /// only the most recently returned pair of streams will be operational. Implementations may trap if + /// the streams returned by a previous invocation haven't been dropped yet before calling `stream` again. + /// + /// The POSIX equivalent in pseudo-code is: + /// ```text + /// if (was previously connected) { + /// connect(s, AF_UNSPEC) + /// } + /// if (remote_address is Some) { + /// connect(s, remote_address) + /// } + /// ``` + /// + /// Unlike in POSIX, the socket must already be explicitly bound. + /// + /// # Typical errors + /// - `invalid-argument`: The `remote-address` has the wrong address family. (EAFNOSUPPORT) + /// - `invalid-argument`: The IP address in `remote-address` is set to INADDR_ANY (`0.0.0.0` / `::`). (EDESTADDRREQ, EADDRNOTAVAIL) + /// - `invalid-argument`: The port in `remote-address` is set to 0. (EDESTADDRREQ, EADDRNOTAVAIL) + /// - `invalid-state`: The socket is not bound. + /// - `address-in-use`: Tried to perform an implicit bind, but there were no ephemeral ports available. (EADDRINUSE, EADDRNOTAVAIL on Linux, EAGAIN on BSD) + /// - `remote-unreachable`: The remote address is not reachable. (ECONNRESET, ENETRESET, EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET) + /// - `connection-refused`: The connection was refused. (ECONNREFUSED) + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + %stream: func(remote-address: option) -> result, error-code>; + + /// Get the current bound address. + /// + /// POSIX mentions: + /// > If the socket has not been bound to a local name, the value + /// > stored in the object pointed to by `address` is unspecified. + /// + /// WASI is stricter and requires `local-address` to return `invalid-state` when the socket hasn't been bound yet. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not bound to any local address. + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + local-address: func() -> result; + + /// Get the address the socket is currently streaming to. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not streaming to a specific remote address. (ENOTCONN) + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + remote-address: func() -> result; + + /// Whether this is a IPv4 or IPv6 socket. + /// + /// Equivalent to the SO_DOMAIN socket option. + @since(version = 0.2.0) + address-family: func() -> ip-address-family; + + /// Equivalent to the IP_TTL & IPV6_UNICAST_HOPS socket options. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The TTL value must be 1 or higher. + @since(version = 0.2.0) + unicast-hop-limit: func() -> result; + @since(version = 0.2.0) + set-unicast-hop-limit: func(value: u8) -> result<_, error-code>; + + /// The kernel buffer space reserved for sends/receives on this socket. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// I.e. after setting a value, reading the same setting back may return a different value. + /// + /// Equivalent to the SO_RCVBUF and SO_SNDBUF socket options. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The provided value was 0. + @since(version = 0.2.0) + receive-buffer-size: func() -> result; + @since(version = 0.2.0) + set-receive-buffer-size: func(value: u64) -> result<_, error-code>; + @since(version = 0.2.0) + send-buffer-size: func() -> result; + @since(version = 0.2.0) + set-send-buffer-size: func(value: u64) -> result<_, error-code>; + + /// Create a `pollable` which will resolve once the socket is ready for I/O. + /// + /// Note: this function is here for WASI 0.2 only. + /// It's planned to be removed when `future` is natively supported in Preview3. + @since(version = 0.2.0) + subscribe: func() -> pollable; + } + + @since(version = 0.2.0) + resource incoming-datagram-stream { + /// Receive messages on the socket. + /// + /// This function attempts to receive up to `max-results` datagrams on the socket without blocking. + /// The returned list may contain fewer elements than requested, but never more. + /// + /// This function returns successfully with an empty list when either: + /// - `max-results` is 0, or: + /// - `max-results` is greater than 0, but no results are immediately available. + /// This function never returns `error(would-block)`. + /// + /// # Typical errors + /// - `remote-unreachable`: The remote address is not reachable. (ECONNRESET, ENETRESET on Windows, EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET) + /// - `connection-refused`: The connection was refused. (ECONNREFUSED) + /// + /// # References + /// - + /// - + /// - + /// - + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + receive: func(max-results: u64) -> result, error-code>; + + /// Create a `pollable` which will resolve once the stream is ready to receive again. + /// + /// Note: this function is here for WASI 0.2 only. + /// It's planned to be removed when `future` is natively supported in Preview3. + @since(version = 0.2.0) + subscribe: func() -> pollable; + } + + @since(version = 0.2.0) + resource outgoing-datagram-stream { + /// Check readiness for sending. This function never blocks. + /// + /// Returns the number of datagrams permitted for the next call to `send`, + /// or an error. Calling `send` with more datagrams than this function has + /// permitted will trap. + /// + /// When this function returns ok(0), the `subscribe` pollable will + /// become ready when this function will report at least ok(1), or an + /// error. + /// + /// Never returns `would-block`. + check-send: func() -> result; + + /// Send messages on the socket. + /// + /// This function attempts to send all provided `datagrams` on the socket without blocking and + /// returns how many messages were actually sent (or queued for sending). This function never + /// returns `error(would-block)`. If none of the datagrams were able to be sent, `ok(0)` is returned. + /// + /// This function semantically behaves the same as iterating the `datagrams` list and sequentially + /// sending each individual datagram until either the end of the list has been reached or the first error occurred. + /// If at least one datagram has been sent successfully, this function never returns an error. + /// + /// If the input list is empty, the function returns `ok(0)`. + /// + /// Each call to `send` must be permitted by a preceding `check-send`. Implementations must trap if + /// either `check-send` was not called or `datagrams` contains more items than `check-send` permitted. + /// + /// # Typical errors + /// - `invalid-argument`: The `remote-address` has the wrong address family. (EAFNOSUPPORT) + /// - `invalid-argument`: The IP address in `remote-address` is set to INADDR_ANY (`0.0.0.0` / `::`). (EDESTADDRREQ, EADDRNOTAVAIL) + /// - `invalid-argument`: The port in `remote-address` is set to 0. (EDESTADDRREQ, EADDRNOTAVAIL) + /// - `invalid-argument`: The socket is in "connected" mode and `remote-address` is `some` value that does not match the address passed to `stream`. (EISCONN) + /// - `invalid-argument`: The socket is not "connected" and no value for `remote-address` was provided. (EDESTADDRREQ) + /// - `remote-unreachable`: The remote address is not reachable. (ECONNRESET, ENETRESET on Windows, EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET) + /// - `connection-refused`: The connection was refused. (ECONNREFUSED) + /// - `datagram-too-large`: The datagram is too large. (EMSGSIZE) + /// + /// # References + /// - + /// - + /// - + /// - + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + send: func(datagrams: list) -> result; + + /// Create a `pollable` which will resolve once the stream is ready to send again. + /// + /// Note: this function is here for WASI 0.2 only. + /// It's planned to be removed when `future` is natively supported in Preview3. + @since(version = 0.2.0) + subscribe: func() -> pollable; + } +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/world.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/world.wit new file mode 100644 index 0000000000..2f0ad0d7c9 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/deps/sockets/world.wit @@ -0,0 +1,19 @@ +package wasi:sockets@0.2.3; + +@since(version = 0.2.0) +world imports { + @since(version = 0.2.0) + import instance-network; + @since(version = 0.2.0) + import network; + @since(version = 0.2.0) + import udp; + @since(version = 0.2.0) + import udp-create-socket; + @since(version = 0.2.0) + import tcp; + @since(version = 0.2.0) + import tcp-create-socket; + @since(version = 0.2.0) + import ip-name-lookup; +} diff --git a/test-components/wasi-http-incoming-request-handler-echo/wit/world.wit b/test-components/wasi-http-incoming-request-handler-echo/wit/world.wit new file mode 100644 index 0000000000..85633a60d5 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-echo/wit/world.wit @@ -0,0 +1,6 @@ +package golem:handler; + +world api { + import wasi:http/types@0.2.3; + export wasi:http/incoming-handler@0.2.3; +} diff --git a/test-components/wasi-http-incoming-request-handler/Cargo.toml b/test-components/wasi-http-incoming-request-handler/Cargo.toml index f70d3fbb67..e694da15c2 100644 --- a/test-components/wasi-http-incoming-request-handler/Cargo.toml +++ b/test-components/wasi-http-incoming-request-handler/Cargo.toml @@ -1,5 +1,5 @@ [package] -name = "handler" +name = "wasi-http-incoming-request-handler" version = "0.1.0" edition = "2021" publish = false From 5b5e821fd59bb222dbebca2a21b352f4411f6158 Mon Sep 17 00:00:00 2001 From: Maxim Schuwalow Date: Mon, 20 Jan 2025 18:23:47 +0100 Subject: [PATCH 6/7] test restore of state when implementing wasi:http/incoming-handler --- Cargo.toml | 1 + golem-worker-executor-base/tests/wasi.rs | 130 + ...i-http-incoming-request-handler-state.wasm | Bin 0 -> 115473 bytes .../Cargo.lock | 25 + .../Cargo.toml | 25 + .../src/bindings.rs | 7502 +++++++++++++++++ .../src/lib.rs | 73 + .../wit/deps.lock | 29 + .../wit/deps.toml | 1 + .../wit/deps/cli/command.wit | 10 + .../wit/deps/cli/environment.wit | 22 + .../wit/deps/cli/exit.wit | 17 + .../wit/deps/cli/imports.wit | 36 + .../wit/deps/cli/run.wit | 6 + .../wit/deps/cli/stdio.wit | 26 + .../wit/deps/cli/terminal.wit | 62 + .../wit/deps/clocks/monotonic-clock.wit | 50 + .../wit/deps/clocks/timezone.wit | 55 + .../wit/deps/clocks/wall-clock.wit | 46 + .../wit/deps/clocks/world.wit | 11 + .../wit/deps/filesystem/preopens.wit | 11 + .../wit/deps/filesystem/types.wit | 672 ++ .../wit/deps/filesystem/world.wit | 9 + .../wit/deps/http/handler.wit | 49 + .../wit/deps/http/proxy.wit | 50 + .../wit/deps/http/types.wit | 673 ++ .../wit/deps/io/error.wit | 34 + .../wit/deps/io/poll.wit | 47 + .../wit/deps/io/streams.wit | 290 + .../wit/deps/io/world.wit | 10 + .../wit/deps/random/insecure-seed.wit | 27 + .../wit/deps/random/insecure.wit | 25 + .../wit/deps/random/random.wit | 29 + .../wit/deps/random/world.wit | 13 + .../wit/deps/sockets/instance-network.wit | 11 + .../wit/deps/sockets/ip-name-lookup.wit | 56 + .../wit/deps/sockets/network.wit | 169 + .../wit/deps/sockets/tcp-create-socket.wit | 30 + .../wit/deps/sockets/tcp.wit | 387 + .../wit/deps/sockets/udp-create-socket.wit | 30 + .../wit/deps/sockets/udp.wit | 288 + .../wit/deps/sockets/world.wit | 19 + .../wit/world.wit | 6 + 43 files changed, 11062 insertions(+) create mode 100644 test-components/wasi-http-incoming-request-handler-state.wasm create mode 100644 test-components/wasi-http-incoming-request-handler-state/Cargo.lock create mode 100644 test-components/wasi-http-incoming-request-handler-state/Cargo.toml create mode 100644 test-components/wasi-http-incoming-request-handler-state/src/bindings.rs create mode 100644 test-components/wasi-http-incoming-request-handler-state/src/lib.rs create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps.lock create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps.toml create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/command.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/environment.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/exit.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/imports.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/run.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/stdio.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/terminal.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/clocks/monotonic-clock.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/clocks/timezone.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/clocks/wall-clock.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/clocks/world.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/filesystem/preopens.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/filesystem/types.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/filesystem/world.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/http/handler.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/http/proxy.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/http/types.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/io/error.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/io/poll.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/io/streams.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/io/world.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/random/insecure-seed.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/random/insecure.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/random/random.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/random/world.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/instance-network.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/ip-name-lookup.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/network.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/tcp-create-socket.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/tcp.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/udp-create-socket.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/udp.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/world.wit create mode 100644 test-components/wasi-http-incoming-request-handler-state/wit/world.wit diff --git a/Cargo.toml b/Cargo.toml index 6f40feae09..618edab19b 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -66,6 +66,7 @@ exclude = [ "test-components/variant-service", "test-components/wasi-http-incoming-request-handler", "test-components/wasi-http-incoming-request-handler-echo", + "test-components/wasi-http-incoming-request-handler-state", "test-components/write-stderr", "test-components/write-stdout", ] diff --git a/golem-worker-executor-base/tests/wasi.rs b/golem-worker-executor-base/tests/wasi.rs index 9a8517ad7e..976e169dfb 100644 --- a/golem-worker-executor-base/tests/wasi.rs +++ b/golem-worker-executor-base/tests/wasi.rs @@ -2032,3 +2032,133 @@ async fn wasi_incoming_request_handler_echo( ]) ); } + +#[test] +#[tracing::instrument] +async fn wasi_incoming_request_handler_state( + last_unique_id: &LastUniqueId, + deps: &WorkerExecutorTestDependencies, + _tracing: &Tracing, +) { + let context = TestContext::new(last_unique_id); + let executor = start(deps, &context).await.unwrap(); + + let component_id = executor + .store_component("wasi-http-incoming-request-handler-state") + .await; + + let worker_id = executor + .start_worker(&component_id, "wasi-http-incoming-request-handler-state-1") + .await; + + let args_put: Value = Value::Record(vec![ + Value::String("http://localhost:8000".to_string()), + Value::Variant { + case_idx: 3, + case_value: None, + }, + Value::List(vec![]), + Value::Option(Some(Box::new(Value::Record(vec![ + Value::List( + "1".to_string() + .into_bytes() + .into_iter() + .map(Value::U8) + .collect(), + ), + Value::Option(None), + ])))), + ]); + + let args_get: Value = Value::Record(vec![ + Value::String("http://localhost:8000".to_string()), + Value::Variant { + case_idx: 0, + case_value: None, + }, + Value::List(vec![]), + Value::Option(None), + ]); + + let result1 = executor + .invoke_and_await( + &worker_id, + "golem:http/incoming-handler.{handle}", + vec![args_put], + ) + .await + .unwrap(); + + let result2 = executor + .invoke_and_await( + &worker_id, + "golem:http/incoming-handler.{handle}", + vec![args_get.clone()], + ) + .await + .unwrap(); + + drop(executor); + + check!(result1.len() == 1); + check!( + result1[0] + == Value::Record(vec![ + Value::U16(200), + Value::List(vec![]), + Value::Option(None) + ]) + ); + + check!(result2.len() == 1); + check!( + result2[0] + == Value::Record(vec![ + Value::U16(200), + Value::List(vec![]), + Value::Option(Some(Box::new(Value::Record(vec![ + Value::List( + "1".to_string() + .into_bytes() + .into_iter() + .map(Value::U8) + .collect() + ), + Value::Option(None) + ])))) + ]) + ); + + // restart executor and check whether we are restoring the state + let executor = start(deps, &context).await.unwrap(); + + let result3 = executor + .invoke_and_await( + &worker_id, + "golem:http/incoming-handler.{handle}", + vec![args_get.clone()], + ) + .await + .unwrap(); + + drop(executor); + + check!(result3.len() == 1); + check!( + result3[0] + == Value::Record(vec![ + Value::U16(200), + Value::List(vec![]), + Value::Option(Some(Box::new(Value::Record(vec![ + Value::List( + "1".to_string() + .into_bytes() + .into_iter() + .map(Value::U8) + .collect() + ), + Value::Option(None) + ])))) + ]) + ); +} diff --git a/test-components/wasi-http-incoming-request-handler-state.wasm b/test-components/wasi-http-incoming-request-handler-state.wasm new file mode 100644 index 0000000000000000000000000000000000000000..c79518733aa5a440e50b1e7200607014fdd29d96 GIT binary patch literal 115473 zcmeFa4V+z9UGKf$&dba`XR_0#ZQ7)CpVLrM+i9afS_5i!v~RZZqWF3IT*Wpd(`IHu zl9^1?qRqV{U>mP?W6`}?o8 z_u1#nnIuJg?!BMSlQ!9Vuf1OW>;L}$ueH|+b{>3nHwc4PH{1~>L1SidasOf*POcAw zQ*YXNaCY15{)??_`<9Eo<)Y^|g63ox2fkkGwkX_@B|&F)-+>#KrVlPH&g^`397b^z z4*Ckha5f4TqSN;7Jh(Ky|G>=R&ZXJ?`=+noIlFgeH=Q+i?cINHW_J+Kk?UgGK@lWL 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b/test-components/wasi-http-incoming-request-handler-state/Cargo.lock @@ -0,0 +1,25 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +version = 4 + +[[package]] +name = "bitflags" +version = "2.8.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8f68f53c83ab957f72c32642f3868eec03eb974d1fb82e453128456482613d36" + +[[package]] +name = "wasi-http-incoming-request-handler-state" +version = "0.1.0" +dependencies = [ + "wit-bindgen-rt", +] + +[[package]] +name = "wit-bindgen-rt" +version = "0.37.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "fc801b991c56492f87ab3086e786468f75c285a4d73017ab0ebc2fa1aed5d82c" +dependencies = [ + "bitflags", +] diff --git a/test-components/wasi-http-incoming-request-handler-state/Cargo.toml b/test-components/wasi-http-incoming-request-handler-state/Cargo.toml new file mode 100644 index 0000000000..3222a5c2c8 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/Cargo.toml @@ -0,0 +1,25 @@ +[package] +name = "wasi-http-incoming-request-handler-state" +version = "0.1.0" +edition = "2021" +publish = false + +[lib] +path = "src/lib.rs" +crate-type = ["cdylib"] + +[dependencies] +wit-bindgen-rt = { version = "0.37.0", features = ["bitflags"] } + +[package.metadata.component] +package = "golem:handler" +proxy = true + +[package.metadata.component.target.dependencies] +"wasi:cli" = { path = "wit/deps/cli" } +"wasi:clocks" = { path = "wit/deps/clocks" } +"wasi:filesystem" = { path = "wit/deps/filesystem" } +"wasi:http" = { path = "wit/deps/http" } +"wasi:io" = { path = "wit/deps/io" } +"wasi:random" = { path = "wit/deps/random" } +"wasi:sockets" = { path = "wit/deps/sockets" } diff --git a/test-components/wasi-http-incoming-request-handler-state/src/bindings.rs b/test-components/wasi-http-incoming-request-handler-state/src/bindings.rs new file mode 100644 index 0000000000..b9a1d24912 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/src/bindings.rs @@ -0,0 +1,7502 @@ +#[allow(dead_code)] +pub mod wasi { + #[allow(dead_code)] + pub mod clocks { + #[allow(dead_code, clippy::all)] + pub mod monotonic_clock { + #[used] + #[doc(hidden)] + static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports; + use super::super::super::_rt; + pub type Pollable = super::super::super::wasi::io::poll::Pollable; + /// An instant in time, in nanoseconds. An instant is relative to an + /// unspecified initial value, and can only be compared to instances from + /// the same monotonic-clock. + pub type Instant = u64; + /// A duration of time, in nanoseconds. + pub type Duration = u64; + #[allow(unused_unsafe, clippy::all)] + /// Read the current value of the clock. + /// + /// The clock is monotonic, therefore calling this function repeatedly will + /// produce a sequence of non-decreasing values. + pub fn now() -> Instant { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:clocks/monotonic-clock@0.2.3")] + extern "C" { + #[link_name = "now"] + fn wit_import() -> i64; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import() -> i64 { + unreachable!() + } + let ret = wit_import(); + ret as u64 + } + } + #[allow(unused_unsafe, clippy::all)] + /// Query the resolution of the clock. Returns the duration of time + /// corresponding to a clock tick. + pub fn resolution() -> Duration { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:clocks/monotonic-clock@0.2.3")] + extern "C" { + #[link_name = "resolution"] + fn wit_import() -> i64; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import() -> i64 { + unreachable!() + } + let ret = wit_import(); + ret as u64 + } + } + #[allow(unused_unsafe, clippy::all)] + /// Create a `pollable` which will resolve once the specified instant + /// has occurred. + pub fn subscribe_instant(when: Instant) -> Pollable { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:clocks/monotonic-clock@0.2.3")] + extern "C" { + #[link_name = "subscribe-instant"] + fn wit_import(_: i64) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i64) -> i32 { + unreachable!() + } + let ret = wit_import(_rt::as_i64(when)); + super::super::super::wasi::io::poll::Pollable::from_handle( + ret as u32, + ) + } + } + #[allow(unused_unsafe, clippy::all)] + /// Create a `pollable` that will resolve after the specified duration has + /// elapsed from the time this function is invoked. + pub fn subscribe_duration(when: Duration) -> Pollable { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:clocks/monotonic-clock@0.2.3")] + extern "C" { + #[link_name = "subscribe-duration"] + fn wit_import(_: i64) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i64) -> i32 { + unreachable!() + } + let ret = wit_import(_rt::as_i64(when)); + super::super::super::wasi::io::poll::Pollable::from_handle( + ret as u32, + ) + } + } + } + } + #[allow(dead_code)] + pub mod http { + #[allow(dead_code, clippy::all)] + pub mod types { + #[used] + #[doc(hidden)] + static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports; + use super::super::super::_rt; + pub type Duration = super::super::super::wasi::clocks::monotonic_clock::Duration; + pub type InputStream = super::super::super::wasi::io::streams::InputStream; + pub type OutputStream = super::super::super::wasi::io::streams::OutputStream; + pub type IoError = super::super::super::wasi::io::error::Error; + pub type Pollable = super::super::super::wasi::io::poll::Pollable; + /// This type corresponds to HTTP standard Methods. + #[derive(Clone)] + pub enum Method { + Get, + Head, + Post, + Put, + Delete, + Connect, + Options, + Trace, + Patch, + Other(_rt::String), + } + impl ::core::fmt::Debug for Method { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + match self { + Method::Get => f.debug_tuple("Method::Get").finish(), + Method::Head => f.debug_tuple("Method::Head").finish(), + Method::Post => f.debug_tuple("Method::Post").finish(), + Method::Put => f.debug_tuple("Method::Put").finish(), + Method::Delete => f.debug_tuple("Method::Delete").finish(), + Method::Connect => f.debug_tuple("Method::Connect").finish(), + Method::Options => f.debug_tuple("Method::Options").finish(), + Method::Trace => f.debug_tuple("Method::Trace").finish(), + Method::Patch => f.debug_tuple("Method::Patch").finish(), + Method::Other(e) => { + f.debug_tuple("Method::Other").field(e).finish() + } + } + } + } + /// This type corresponds to HTTP standard Related Schemes. + #[derive(Clone)] + pub enum Scheme { + Http, + Https, + Other(_rt::String), + } + impl ::core::fmt::Debug for Scheme { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + match self { + Scheme::Http => f.debug_tuple("Scheme::Http").finish(), + Scheme::Https => f.debug_tuple("Scheme::Https").finish(), + Scheme::Other(e) => { + f.debug_tuple("Scheme::Other").field(e).finish() + } + } + } + } + /// Defines the case payload type for `DNS-error` above: + #[derive(Clone)] + pub struct DnsErrorPayload { + pub rcode: Option<_rt::String>, + pub info_code: Option, + } + impl ::core::fmt::Debug for DnsErrorPayload { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + f.debug_struct("DnsErrorPayload") + .field("rcode", &self.rcode) + .field("info-code", &self.info_code) + .finish() + } + } + /// Defines the case payload type for `TLS-alert-received` above: + #[derive(Clone)] + pub struct TlsAlertReceivedPayload { + pub alert_id: Option, + pub alert_message: Option<_rt::String>, + } + impl ::core::fmt::Debug for TlsAlertReceivedPayload { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + f.debug_struct("TlsAlertReceivedPayload") + .field("alert-id", &self.alert_id) + .field("alert-message", &self.alert_message) + .finish() + } + } + /// Defines the case payload type for `HTTP-response-{header,trailer}-size` above: + #[derive(Clone)] + pub struct FieldSizePayload { + pub field_name: Option<_rt::String>, + pub field_size: Option, + } + impl ::core::fmt::Debug for FieldSizePayload { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + f.debug_struct("FieldSizePayload") + .field("field-name", &self.field_name) + .field("field-size", &self.field_size) + .finish() + } + } + /// These cases are inspired by the IANA HTTP Proxy Error Types: + /// + #[derive(Clone)] + pub enum ErrorCode { + DnsTimeout, + DnsError(DnsErrorPayload), + DestinationNotFound, + DestinationUnavailable, + DestinationIpProhibited, + DestinationIpUnroutable, + ConnectionRefused, + ConnectionTerminated, + ConnectionTimeout, + ConnectionReadTimeout, + ConnectionWriteTimeout, + ConnectionLimitReached, + TlsProtocolError, + TlsCertificateError, + TlsAlertReceived(TlsAlertReceivedPayload), + HttpRequestDenied, + HttpRequestLengthRequired, + HttpRequestBodySize(Option), + HttpRequestMethodInvalid, + HttpRequestUriInvalid, + HttpRequestUriTooLong, + HttpRequestHeaderSectionSize(Option), + HttpRequestHeaderSize(Option), + HttpRequestTrailerSectionSize(Option), + HttpRequestTrailerSize(FieldSizePayload), + HttpResponseIncomplete, + HttpResponseHeaderSectionSize(Option), + HttpResponseHeaderSize(FieldSizePayload), + HttpResponseBodySize(Option), + HttpResponseTrailerSectionSize(Option), + HttpResponseTrailerSize(FieldSizePayload), + HttpResponseTransferCoding(Option<_rt::String>), + HttpResponseContentCoding(Option<_rt::String>), + HttpResponseTimeout, + HttpUpgradeFailed, + HttpProtocolError, + LoopDetected, + ConfigurationError, + /// This is a catch-all error for anything that doesn't fit cleanly into a + /// more specific case. It also includes an optional string for an + /// unstructured description of the error. Users should not depend on the + /// string for diagnosing errors, as it's not required to be consistent + /// between implementations. + InternalError(Option<_rt::String>), + } + impl ::core::fmt::Debug for ErrorCode { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + match self { + ErrorCode::DnsTimeout => { + f.debug_tuple("ErrorCode::DnsTimeout").finish() + } + ErrorCode::DnsError(e) => { + f.debug_tuple("ErrorCode::DnsError").field(e).finish() + } + ErrorCode::DestinationNotFound => { + f.debug_tuple("ErrorCode::DestinationNotFound").finish() + } + ErrorCode::DestinationUnavailable => { + f.debug_tuple("ErrorCode::DestinationUnavailable").finish() + } + ErrorCode::DestinationIpProhibited => { + f.debug_tuple("ErrorCode::DestinationIpProhibited").finish() + } + ErrorCode::DestinationIpUnroutable => { + f.debug_tuple("ErrorCode::DestinationIpUnroutable").finish() + } + ErrorCode::ConnectionRefused => { + f.debug_tuple("ErrorCode::ConnectionRefused").finish() + } + ErrorCode::ConnectionTerminated => { + f.debug_tuple("ErrorCode::ConnectionTerminated").finish() + } + ErrorCode::ConnectionTimeout => { + f.debug_tuple("ErrorCode::ConnectionTimeout").finish() + } + ErrorCode::ConnectionReadTimeout => { + f.debug_tuple("ErrorCode::ConnectionReadTimeout").finish() + } + ErrorCode::ConnectionWriteTimeout => { + f.debug_tuple("ErrorCode::ConnectionWriteTimeout").finish() + } + ErrorCode::ConnectionLimitReached => { + f.debug_tuple("ErrorCode::ConnectionLimitReached").finish() + } + ErrorCode::TlsProtocolError => { + f.debug_tuple("ErrorCode::TlsProtocolError").finish() + } + ErrorCode::TlsCertificateError => { + f.debug_tuple("ErrorCode::TlsCertificateError").finish() + } + ErrorCode::TlsAlertReceived(e) => { + f.debug_tuple("ErrorCode::TlsAlertReceived") + .field(e) + .finish() + } + ErrorCode::HttpRequestDenied => { + f.debug_tuple("ErrorCode::HttpRequestDenied").finish() + } + ErrorCode::HttpRequestLengthRequired => { + f.debug_tuple("ErrorCode::HttpRequestLengthRequired") + .finish() + } + ErrorCode::HttpRequestBodySize(e) => { + f.debug_tuple("ErrorCode::HttpRequestBodySize") + .field(e) + .finish() + } + ErrorCode::HttpRequestMethodInvalid => { + f.debug_tuple("ErrorCode::HttpRequestMethodInvalid").finish() + } + ErrorCode::HttpRequestUriInvalid => { + f.debug_tuple("ErrorCode::HttpRequestUriInvalid").finish() + } + ErrorCode::HttpRequestUriTooLong => { + f.debug_tuple("ErrorCode::HttpRequestUriTooLong").finish() + } + ErrorCode::HttpRequestHeaderSectionSize(e) => { + f.debug_tuple("ErrorCode::HttpRequestHeaderSectionSize") + .field(e) + .finish() + } + ErrorCode::HttpRequestHeaderSize(e) => { + f.debug_tuple("ErrorCode::HttpRequestHeaderSize") + .field(e) + .finish() + } + ErrorCode::HttpRequestTrailerSectionSize(e) => { + f.debug_tuple("ErrorCode::HttpRequestTrailerSectionSize") + .field(e) + .finish() + } + ErrorCode::HttpRequestTrailerSize(e) => { + f.debug_tuple("ErrorCode::HttpRequestTrailerSize") + .field(e) + .finish() + } + ErrorCode::HttpResponseIncomplete => { + f.debug_tuple("ErrorCode::HttpResponseIncomplete").finish() + } + ErrorCode::HttpResponseHeaderSectionSize(e) => { + f.debug_tuple("ErrorCode::HttpResponseHeaderSectionSize") + .field(e) + .finish() + } + ErrorCode::HttpResponseHeaderSize(e) => { + f.debug_tuple("ErrorCode::HttpResponseHeaderSize") + .field(e) + .finish() + } + ErrorCode::HttpResponseBodySize(e) => { + f.debug_tuple("ErrorCode::HttpResponseBodySize") + .field(e) + .finish() + } + ErrorCode::HttpResponseTrailerSectionSize(e) => { + f.debug_tuple("ErrorCode::HttpResponseTrailerSectionSize") + .field(e) + .finish() + } + ErrorCode::HttpResponseTrailerSize(e) => { + f.debug_tuple("ErrorCode::HttpResponseTrailerSize") + .field(e) + .finish() + } + ErrorCode::HttpResponseTransferCoding(e) => { + f.debug_tuple("ErrorCode::HttpResponseTransferCoding") + .field(e) + .finish() + } + ErrorCode::HttpResponseContentCoding(e) => { + f.debug_tuple("ErrorCode::HttpResponseContentCoding") + .field(e) + .finish() + } + ErrorCode::HttpResponseTimeout => { + f.debug_tuple("ErrorCode::HttpResponseTimeout").finish() + } + ErrorCode::HttpUpgradeFailed => { + f.debug_tuple("ErrorCode::HttpUpgradeFailed").finish() + } + ErrorCode::HttpProtocolError => { + f.debug_tuple("ErrorCode::HttpProtocolError").finish() + } + ErrorCode::LoopDetected => { + f.debug_tuple("ErrorCode::LoopDetected").finish() + } + ErrorCode::ConfigurationError => { + f.debug_tuple("ErrorCode::ConfigurationError").finish() + } + ErrorCode::InternalError(e) => { + f.debug_tuple("ErrorCode::InternalError").field(e).finish() + } + } + } + } + impl ::core::fmt::Display for ErrorCode { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + write!(f, "{:?}", self) + } + } + impl std::error::Error for ErrorCode {} + /// This type enumerates the different kinds of errors that may occur when + /// setting or appending to a `fields` resource. + #[derive(Clone, Copy)] + pub enum HeaderError { + /// This error indicates that a `field-name` or `field-value` was + /// syntactically invalid when used with an operation that sets headers in a + /// `fields`. + InvalidSyntax, + /// This error indicates that a forbidden `field-name` was used when trying + /// to set a header in a `fields`. + Forbidden, + /// This error indicates that the operation on the `fields` was not + /// permitted because the fields are immutable. + Immutable, + } + impl ::core::fmt::Debug for HeaderError { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + match self { + HeaderError::InvalidSyntax => { + f.debug_tuple("HeaderError::InvalidSyntax").finish() + } + HeaderError::Forbidden => { + f.debug_tuple("HeaderError::Forbidden").finish() + } + HeaderError::Immutable => { + f.debug_tuple("HeaderError::Immutable").finish() + } + } + } + } + impl ::core::fmt::Display for HeaderError { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + write!(f, "{:?}", self) + } + } + impl std::error::Error for HeaderError {} + /// Field keys are always strings. + /// + /// Field keys should always be treated as case insensitive by the `fields` + /// resource for the purposes of equality checking. + /// + /// # Deprecation + /// + /// This type has been deprecated in favor of the `field-name` type. + pub type FieldKey = _rt::String; + /// Field names are always strings. + /// + /// Field names should always be treated as case insensitive by the `fields` + /// resource for the purposes of equality checking. + pub type FieldName = FieldKey; + /// Field values should always be ASCII strings. However, in + /// reality, HTTP implementations often have to interpret malformed values, + /// so they are provided as a list of bytes. + pub type FieldValue = _rt::Vec; + /// This following block defines the `fields` resource which corresponds to + /// HTTP standard Fields. Fields are a common representation used for both + /// Headers and Trailers. + /// + /// A `fields` may be mutable or immutable. A `fields` created using the + /// constructor, `from-list`, or `clone` will be mutable, but a `fields` + /// resource given by other means (including, but not limited to, + /// `incoming-request.headers`, `outgoing-request.headers`) might be be + /// immutable. In an immutable fields, the `set`, `append`, and `delete` + /// operations will fail with `header-error.immutable`. + #[derive(Debug)] + #[repr(transparent)] + pub struct Fields { + handle: _rt::Resource, + } + impl Fields { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for Fields { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]fields"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// Headers is an alias for Fields. + pub type Headers = Fields; + /// Trailers is an alias for Fields. + pub type Trailers = Fields; + /// Represents an incoming HTTP Request. + #[derive(Debug)] + #[repr(transparent)] + pub struct IncomingRequest { + handle: _rt::Resource, + } + impl IncomingRequest { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for IncomingRequest { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]incoming-request"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// Represents an outgoing HTTP Request. + #[derive(Debug)] + #[repr(transparent)] + pub struct OutgoingRequest { + handle: _rt::Resource, + } + impl OutgoingRequest { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for OutgoingRequest { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]outgoing-request"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// Parameters for making an HTTP Request. Each of these parameters is + /// currently an optional timeout applicable to the transport layer of the + /// HTTP protocol. + /// + /// These timeouts are separate from any the user may use to bound a + /// blocking call to `wasi:io/poll.poll`. + #[derive(Debug)] + #[repr(transparent)] + pub struct RequestOptions { + handle: _rt::Resource, + } + impl RequestOptions { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for RequestOptions { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]request-options"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// Represents the ability to send an HTTP Response. + /// + /// This resource is used by the `wasi:http/incoming-handler` interface to + /// allow a Response to be sent corresponding to the Request provided as the + /// other argument to `incoming-handler.handle`. + #[derive(Debug)] + #[repr(transparent)] + pub struct ResponseOutparam { + handle: _rt::Resource, + } + impl ResponseOutparam { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for ResponseOutparam { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]response-outparam"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// This type corresponds to the HTTP standard Status Code. + pub type StatusCode = u16; + /// Represents an incoming HTTP Response. + #[derive(Debug)] + #[repr(transparent)] + pub struct IncomingResponse { + handle: _rt::Resource, + } + impl IncomingResponse { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for IncomingResponse { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]incoming-response"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// Represents an incoming HTTP Request or Response's Body. + /// + /// A body has both its contents - a stream of bytes - and a (possibly + /// empty) set of trailers, indicating that the full contents of the + /// body have been received. This resource represents the contents as + /// an `input-stream` and the delivery of trailers as a `future-trailers`, + /// and ensures that the user of this interface may only be consuming either + /// the body contents or waiting on trailers at any given time. + #[derive(Debug)] + #[repr(transparent)] + pub struct IncomingBody { + handle: _rt::Resource, + } + impl IncomingBody { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for IncomingBody { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]incoming-body"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// Represents a future which may eventually return trailers, or an error. + /// + /// In the case that the incoming HTTP Request or Response did not have any + /// trailers, this future will resolve to the empty set of trailers once the + /// complete Request or Response body has been received. + #[derive(Debug)] + #[repr(transparent)] + pub struct FutureTrailers { + handle: _rt::Resource, + } + impl FutureTrailers { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for FutureTrailers { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]future-trailers"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// Represents an outgoing HTTP Response. + #[derive(Debug)] + #[repr(transparent)] + pub struct OutgoingResponse { + handle: _rt::Resource, + } + impl OutgoingResponse { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for OutgoingResponse { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]outgoing-response"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// Represents an outgoing HTTP Request or Response's Body. + /// + /// A body has both its contents - a stream of bytes - and a (possibly + /// empty) set of trailers, inducating the full contents of the body + /// have been sent. This resource represents the contents as an + /// `output-stream` child resource, and the completion of the body (with + /// optional trailers) with a static function that consumes the + /// `outgoing-body` resource, and ensures that the user of this interface + /// may not write to the body contents after the body has been finished. + /// + /// If the user code drops this resource, as opposed to calling the static + /// method `finish`, the implementation should treat the body as incomplete, + /// and that an error has occurred. The implementation should propagate this + /// error to the HTTP protocol by whatever means it has available, + /// including: corrupting the body on the wire, aborting the associated + /// Request, or sending a late status code for the Response. + #[derive(Debug)] + #[repr(transparent)] + pub struct OutgoingBody { + handle: _rt::Resource, + } + impl OutgoingBody { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for OutgoingBody { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]outgoing-body"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// Represents a future which may eventually return an incoming HTTP + /// Response, or an error. + /// + /// This resource is returned by the `wasi:http/outgoing-handler` interface to + /// provide the HTTP Response corresponding to the sent Request. + #[derive(Debug)] + #[repr(transparent)] + pub struct FutureIncomingResponse { + handle: _rt::Resource, + } + impl FutureIncomingResponse { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for FutureIncomingResponse { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]future-incoming-response"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + #[allow(unused_unsafe, clippy::all)] + /// Attempts to extract a http-related `error` from the wasi:io `error` + /// provided. + /// + /// Stream operations which return + /// `wasi:io/stream/stream-error::last-operation-failed` have a payload of + /// type `wasi:io/error/error` with more information about the operation + /// that failed. This payload can be passed through to this function to see + /// if there's http-related information about the error to return. + /// + /// Note that this function is fallible because not all io-errors are + /// http-related errors. + pub fn http_error_code(err: &IoError) -> Option { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 40]); + let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 40]); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "http-error-code"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((err).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = i32::from(*ptr0.add(8).cast::()); + let v64 = match l2 { + 0 => ErrorCode::DnsTimeout, + 1 => { + let e64 = { + let l3 = i32::from(*ptr0.add(16).cast::()); + let l7 = i32::from(*ptr0.add(28).cast::()); + DnsErrorPayload { + rcode: match l3 { + 0 => None, + 1 => { + let e = { + let l4 = *ptr0.add(20).cast::<*mut u8>(); + let l5 = *ptr0.add(24).cast::(); + let len6 = l5; + let bytes6 = _rt::Vec::from_raw_parts( + l4.cast(), + len6, + len6, + ); + _rt::string_lift(bytes6) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + info_code: match l7 { + 0 => None, + 1 => { + let e = { + let l8 = i32::from(*ptr0.add(30).cast::()); + l8 as u16 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::DnsError(e64) + } + 2 => ErrorCode::DestinationNotFound, + 3 => ErrorCode::DestinationUnavailable, + 4 => ErrorCode::DestinationIpProhibited, + 5 => ErrorCode::DestinationIpUnroutable, + 6 => ErrorCode::ConnectionRefused, + 7 => ErrorCode::ConnectionTerminated, + 8 => ErrorCode::ConnectionTimeout, + 9 => ErrorCode::ConnectionReadTimeout, + 10 => ErrorCode::ConnectionWriteTimeout, + 11 => ErrorCode::ConnectionLimitReached, + 12 => ErrorCode::TlsProtocolError, + 13 => ErrorCode::TlsCertificateError, + 14 => { + let e64 = { + let l9 = i32::from(*ptr0.add(16).cast::()); + let l11 = i32::from(*ptr0.add(20).cast::()); + TlsAlertReceivedPayload { + alert_id: match l9 { + 0 => None, + 1 => { + let e = { + let l10 = i32::from(*ptr0.add(17).cast::()); + l10 as u8 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + alert_message: match l11 { + 0 => None, + 1 => { + let e = { + let l12 = *ptr0.add(24).cast::<*mut u8>(); + let l13 = *ptr0.add(28).cast::(); + let len14 = l13; + let bytes14 = _rt::Vec::from_raw_parts( + l12.cast(), + len14, + len14, + ); + _rt::string_lift(bytes14) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::TlsAlertReceived(e64) + } + 15 => ErrorCode::HttpRequestDenied, + 16 => ErrorCode::HttpRequestLengthRequired, + 17 => { + let e64 = { + let l15 = i32::from(*ptr0.add(16).cast::()); + match l15 { + 0 => None, + 1 => { + let e = { + let l16 = *ptr0.add(24).cast::(); + l16 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestBodySize(e64) + } + 18 => ErrorCode::HttpRequestMethodInvalid, + 19 => ErrorCode::HttpRequestUriInvalid, + 20 => ErrorCode::HttpRequestUriTooLong, + 21 => { + let e64 = { + let l17 = i32::from(*ptr0.add(16).cast::()); + match l17 { + 0 => None, + 1 => { + let e = { + let l18 = *ptr0.add(20).cast::(); + l18 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestHeaderSectionSize(e64) + } + 22 => { + let e64 = { + let l19 = i32::from(*ptr0.add(16).cast::()); + match l19 { + 0 => None, + 1 => { + let e = { + let l20 = i32::from(*ptr0.add(20).cast::()); + let l24 = i32::from(*ptr0.add(32).cast::()); + FieldSizePayload { + field_name: match l20 { + 0 => None, + 1 => { + let e = { + let l21 = *ptr0.add(24).cast::<*mut u8>(); + let l22 = *ptr0.add(28).cast::(); + let len23 = l22; + let bytes23 = _rt::Vec::from_raw_parts( + l21.cast(), + len23, + len23, + ); + _rt::string_lift(bytes23) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l24 { + 0 => None, + 1 => { + let e = { + let l25 = *ptr0.add(36).cast::(); + l25 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestHeaderSize(e64) + } + 23 => { + let e64 = { + let l26 = i32::from(*ptr0.add(16).cast::()); + match l26 { + 0 => None, + 1 => { + let e = { + let l27 = *ptr0.add(20).cast::(); + l27 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestTrailerSectionSize(e64) + } + 24 => { + let e64 = { + let l28 = i32::from(*ptr0.add(16).cast::()); + let l32 = i32::from(*ptr0.add(28).cast::()); + FieldSizePayload { + field_name: match l28 { + 0 => None, + 1 => { + let e = { + let l29 = *ptr0.add(20).cast::<*mut u8>(); + let l30 = *ptr0.add(24).cast::(); + let len31 = l30; + let bytes31 = _rt::Vec::from_raw_parts( + l29.cast(), + len31, + len31, + ); + _rt::string_lift(bytes31) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l32 { + 0 => None, + 1 => { + let e = { + let l33 = *ptr0.add(32).cast::(); + l33 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpRequestTrailerSize(e64) + } + 25 => ErrorCode::HttpResponseIncomplete, + 26 => { + let e64 = { + let l34 = i32::from(*ptr0.add(16).cast::()); + match l34 { + 0 => None, + 1 => { + let e = { + let l35 = *ptr0.add(20).cast::(); + l35 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseHeaderSectionSize(e64) + } + 27 => { + let e64 = { + let l36 = i32::from(*ptr0.add(16).cast::()); + let l40 = i32::from(*ptr0.add(28).cast::()); + FieldSizePayload { + field_name: match l36 { + 0 => None, + 1 => { + let e = { + let l37 = *ptr0.add(20).cast::<*mut u8>(); + let l38 = *ptr0.add(24).cast::(); + let len39 = l38; + let bytes39 = _rt::Vec::from_raw_parts( + l37.cast(), + len39, + len39, + ); + _rt::string_lift(bytes39) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l40 { + 0 => None, + 1 => { + let e = { + let l41 = *ptr0.add(32).cast::(); + l41 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpResponseHeaderSize(e64) + } + 28 => { + let e64 = { + let l42 = i32::from(*ptr0.add(16).cast::()); + match l42 { + 0 => None, + 1 => { + let e = { + let l43 = *ptr0.add(24).cast::(); + l43 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseBodySize(e64) + } + 29 => { + let e64 = { + let l44 = i32::from(*ptr0.add(16).cast::()); + match l44 { + 0 => None, + 1 => { + let e = { + let l45 = *ptr0.add(20).cast::(); + l45 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseTrailerSectionSize(e64) + } + 30 => { + let e64 = { + let l46 = i32::from(*ptr0.add(16).cast::()); + let l50 = i32::from(*ptr0.add(28).cast::()); + FieldSizePayload { + field_name: match l46 { + 0 => None, + 1 => { + let e = { + let l47 = *ptr0.add(20).cast::<*mut u8>(); + let l48 = *ptr0.add(24).cast::(); + let len49 = l48; + let bytes49 = _rt::Vec::from_raw_parts( + l47.cast(), + len49, + len49, + ); + _rt::string_lift(bytes49) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l50 { + 0 => None, + 1 => { + let e = { + let l51 = *ptr0.add(32).cast::(); + l51 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpResponseTrailerSize(e64) + } + 31 => { + let e64 = { + let l52 = i32::from(*ptr0.add(16).cast::()); + match l52 { + 0 => None, + 1 => { + let e = { + let l53 = *ptr0.add(20).cast::<*mut u8>(); + let l54 = *ptr0.add(24).cast::(); + let len55 = l54; + let bytes55 = _rt::Vec::from_raw_parts( + l53.cast(), + len55, + len55, + ); + _rt::string_lift(bytes55) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseTransferCoding(e64) + } + 32 => { + let e64 = { + let l56 = i32::from(*ptr0.add(16).cast::()); + match l56 { + 0 => None, + 1 => { + let e = { + let l57 = *ptr0.add(20).cast::<*mut u8>(); + let l58 = *ptr0.add(24).cast::(); + let len59 = l58; + let bytes59 = _rt::Vec::from_raw_parts( + l57.cast(), + len59, + len59, + ); + _rt::string_lift(bytes59) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseContentCoding(e64) + } + 33 => ErrorCode::HttpResponseTimeout, + 34 => ErrorCode::HttpUpgradeFailed, + 35 => ErrorCode::HttpProtocolError, + 36 => ErrorCode::LoopDetected, + 37 => ErrorCode::ConfigurationError, + n => { + debug_assert_eq!(n, 38, "invalid enum discriminant"); + let e64 = { + let l60 = i32::from(*ptr0.add(16).cast::()); + match l60 { + 0 => None, + 1 => { + let e = { + let l61 = *ptr0.add(20).cast::<*mut u8>(); + let l62 = *ptr0.add(24).cast::(); + let len63 = l62; + let bytes63 = _rt::Vec::from_raw_parts( + l61.cast(), + len63, + len63, + ); + _rt::string_lift(bytes63) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::InternalError(e64) + } + }; + v64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + impl Fields { + #[allow(unused_unsafe, clippy::all)] + /// Construct an empty HTTP Fields. + /// + /// The resulting `fields` is mutable. + pub fn new() -> Self { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[constructor]fields"] + fn wit_import() -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import() -> i32 { + unreachable!() + } + let ret = wit_import(); + Fields::from_handle(ret as u32) + } + } + } + impl Fields { + #[allow(unused_unsafe, clippy::all)] + /// Construct an HTTP Fields. + /// + /// The resulting `fields` is mutable. + /// + /// The list represents each name-value pair in the Fields. Names + /// which have multiple values are represented by multiple entries in this + /// list with the same name. + /// + /// The tuple is a pair of the field name, represented as a string, and + /// Value, represented as a list of bytes. + /// + /// An error result will be returned if any `field-name` or `field-value` is + /// syntactically invalid, or if a field is forbidden. + pub fn from_list( + entries: &[(FieldName, FieldValue)], + ) -> Result { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let vec3 = entries; + let len3 = vec3.len(); + let layout3 = _rt::alloc::Layout::from_size_align_unchecked( + vec3.len() * 16, + 4, + ); + let result3 = if layout3.size() != 0 { + let ptr = _rt::alloc::alloc(layout3).cast::(); + if ptr.is_null() { + _rt::alloc::handle_alloc_error(layout3); + } + ptr + } else { + ::core::ptr::null_mut() + }; + for (i, e) in vec3.into_iter().enumerate() { + let base = result3.add(i * 16); + { + let (t0_0, t0_1) = e; + let vec1 = t0_0; + let ptr1 = vec1.as_ptr().cast::(); + let len1 = vec1.len(); + *base.add(4).cast::() = len1; + *base.add(0).cast::<*mut u8>() = ptr1.cast_mut(); + let vec2 = t0_1; + let ptr2 = vec2.as_ptr().cast::(); + let len2 = vec2.len(); + *base.add(12).cast::() = len2; + *base.add(8).cast::<*mut u8>() = ptr2.cast_mut(); + } + } + let ptr4 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[static]fields.from-list"] + fn wit_import(_: *mut u8, _: usize, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: *mut u8, _: usize, _: *mut u8) { + unreachable!() + } + wit_import(result3, len3, ptr4); + let l5 = i32::from(*ptr4.add(0).cast::()); + if layout3.size() != 0 { + _rt::alloc::dealloc(result3.cast(), layout3); + } + match l5 { + 0 => { + let e = { + let l6 = *ptr4.add(4).cast::(); + Fields::from_handle(l6 as u32) + }; + Ok(e) + } + 1 => { + let e = { + let l7 = i32::from(*ptr4.add(4).cast::()); + let v8 = match l7 { + 0 => HeaderError::InvalidSyntax, + 1 => HeaderError::Forbidden, + n => { + debug_assert_eq!(n, 2, "invalid enum discriminant"); + HeaderError::Immutable + } + }; + v8 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl Fields { + #[allow(unused_unsafe, clippy::all)] + /// Get all of the values corresponding to a name. If the name is not present + /// in this `fields` or is syntactically invalid, an empty list is returned. + /// However, if the name is present but empty, this is represented by a list + /// with one or more empty field-values present. + pub fn get(&self, name: &FieldName) -> _rt::Vec { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let vec0 = name; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + let ptr1 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]fields.get"] + fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0.cast_mut(), len0, ptr1); + let l2 = *ptr1.add(0).cast::<*mut u8>(); + let l3 = *ptr1.add(4).cast::(); + let base7 = l2; + let len7 = l3; + let mut result7 = _rt::Vec::with_capacity(len7); + for i in 0..len7 { + let base = base7.add(i * 8); + let e7 = { + let l4 = *base.add(0).cast::<*mut u8>(); + let l5 = *base.add(4).cast::(); + let len6 = l5; + _rt::Vec::from_raw_parts(l4.cast(), len6, len6) + }; + result7.push(e7); + } + _rt::cabi_dealloc(base7, len7 * 8, 4); + result7 + } + } + } + impl Fields { + #[allow(unused_unsafe, clippy::all)] + /// Returns `true` when the name is present in this `fields`. If the name is + /// syntactically invalid, `false` is returned. + pub fn has(&self, name: &FieldName) -> bool { + unsafe { + let vec0 = name; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]fields.has"] + fn wit_import(_: i32, _: *mut u8, _: usize) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8, _: usize) -> i32 { + unreachable!() + } + let ret = wit_import( + (self).handle() as i32, + ptr0.cast_mut(), + len0, + ); + _rt::bool_lift(ret as u8) + } + } + } + impl Fields { + #[allow(unused_unsafe, clippy::all)] + /// Set all of the values for a name. Clears any existing values for that + /// name, if they have been set. + /// + /// Fails with `header-error.immutable` if the `fields` are immutable. + /// + /// Fails with `header-error.invalid-syntax` if the `field-name` or any of + /// the `field-value`s are syntactically invalid. + pub fn set( + &self, + name: &FieldName, + value: &[FieldValue], + ) -> Result<(), HeaderError> { + unsafe { + #[repr(align(1))] + struct RetArea([::core::mem::MaybeUninit; 2]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 2], + ); + let vec0 = name; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + let vec2 = value; + let len2 = vec2.len(); + let layout2 = _rt::alloc::Layout::from_size_align_unchecked( + vec2.len() * 8, + 4, + ); + let result2 = if layout2.size() != 0 { + let ptr = _rt::alloc::alloc(layout2).cast::(); + if ptr.is_null() { + _rt::alloc::handle_alloc_error(layout2); + } + ptr + } else { + ::core::ptr::null_mut() + }; + for (i, e) in vec2.into_iter().enumerate() { + let base = result2.add(i * 8); + { + let vec1 = e; + let ptr1 = vec1.as_ptr().cast::(); + let len1 = vec1.len(); + *base.add(4).cast::() = len1; + *base.add(0).cast::<*mut u8>() = ptr1.cast_mut(); + } + } + let ptr3 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]fields.set"] + fn wit_import( + _: i32, + _: *mut u8, + _: usize, + _: *mut u8, + _: usize, + _: *mut u8, + ); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import( + _: i32, + _: *mut u8, + _: usize, + _: *mut u8, + _: usize, + _: *mut u8, + ) { + unreachable!() + } + wit_import( + (self).handle() as i32, + ptr0.cast_mut(), + len0, + result2, + len2, + ptr3, + ); + let l4 = i32::from(*ptr3.add(0).cast::()); + if layout2.size() != 0 { + _rt::alloc::dealloc(result2.cast(), layout2); + } + match l4 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l5 = i32::from(*ptr3.add(1).cast::()); + let v6 = match l5 { + 0 => HeaderError::InvalidSyntax, + 1 => HeaderError::Forbidden, + n => { + debug_assert_eq!(n, 2, "invalid enum discriminant"); + HeaderError::Immutable + } + }; + v6 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl Fields { + #[allow(unused_unsafe, clippy::all)] + /// Delete all values for a name. Does nothing if no values for the name + /// exist. + /// + /// Fails with `header-error.immutable` if the `fields` are immutable. + /// + /// Fails with `header-error.invalid-syntax` if the `field-name` is + /// syntactically invalid. + pub fn delete(&self, name: &FieldName) -> Result<(), HeaderError> { + unsafe { + #[repr(align(1))] + struct RetArea([::core::mem::MaybeUninit; 2]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 2], + ); + let vec0 = name; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + let ptr1 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]fields.delete"] + fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0.cast_mut(), len0, ptr1); + let l2 = i32::from(*ptr1.add(0).cast::()); + match l2 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l3 = i32::from(*ptr1.add(1).cast::()); + let v4 = match l3 { + 0 => HeaderError::InvalidSyntax, + 1 => HeaderError::Forbidden, + n => { + debug_assert_eq!(n, 2, "invalid enum discriminant"); + HeaderError::Immutable + } + }; + v4 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl Fields { + #[allow(unused_unsafe, clippy::all)] + /// Append a value for a name. Does not change or delete any existing + /// values for that name. + /// + /// Fails with `header-error.immutable` if the `fields` are immutable. + /// + /// Fails with `header-error.invalid-syntax` if the `field-name` or + /// `field-value` are syntactically invalid. + pub fn append( + &self, + name: &FieldName, + value: &FieldValue, + ) -> Result<(), HeaderError> { + unsafe { + #[repr(align(1))] + struct RetArea([::core::mem::MaybeUninit; 2]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 2], + ); + let vec0 = name; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + let vec1 = value; + let ptr1 = vec1.as_ptr().cast::(); + let len1 = vec1.len(); + let ptr2 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]fields.append"] + fn wit_import( + _: i32, + _: *mut u8, + _: usize, + _: *mut u8, + _: usize, + _: *mut u8, + ); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import( + _: i32, + _: *mut u8, + _: usize, + _: *mut u8, + _: usize, + _: *mut u8, + ) { + unreachable!() + } + wit_import( + (self).handle() as i32, + ptr0.cast_mut(), + len0, + ptr1.cast_mut(), + len1, + ptr2, + ); + let l3 = i32::from(*ptr2.add(0).cast::()); + match l3 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l4 = i32::from(*ptr2.add(1).cast::()); + let v5 = match l4 { + 0 => HeaderError::InvalidSyntax, + 1 => HeaderError::Forbidden, + n => { + debug_assert_eq!(n, 2, "invalid enum discriminant"); + HeaderError::Immutable + } + }; + v5 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl Fields { + #[allow(unused_unsafe, clippy::all)] + /// Retrieve the full set of names and values in the Fields. Like the + /// constructor, the list represents each name-value pair. + /// + /// The outer list represents each name-value pair in the Fields. Names + /// which have multiple values are represented by multiple entries in this + /// list with the same name. + /// + /// The names and values are always returned in the original casing and in + /// the order in which they will be serialized for transport. + pub fn entries(&self) -> _rt::Vec<(FieldName, FieldValue)> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]fields.entries"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = *ptr0.add(0).cast::<*mut u8>(); + let l2 = *ptr0.add(4).cast::(); + let base9 = l1; + let len9 = l2; + let mut result9 = _rt::Vec::with_capacity(len9); + for i in 0..len9 { + let base = base9.add(i * 16); + let e9 = { + let l3 = *base.add(0).cast::<*mut u8>(); + let l4 = *base.add(4).cast::(); + let len5 = l4; + let bytes5 = _rt::Vec::from_raw_parts( + l3.cast(), + len5, + len5, + ); + let l6 = *base.add(8).cast::<*mut u8>(); + let l7 = *base.add(12).cast::(); + let len8 = l7; + ( + _rt::string_lift(bytes5), + _rt::Vec::from_raw_parts(l6.cast(), len8, len8), + ) + }; + result9.push(e9); + } + _rt::cabi_dealloc(base9, len9 * 16, 4); + result9 + } + } + } + impl Fields { + #[allow(unused_unsafe, clippy::all)] + /// Make a deep copy of the Fields. Equivalent in behavior to calling the + /// `fields` constructor on the return value of `entries`. The resulting + /// `fields` is mutable. + pub fn clone(&self) -> Fields { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]fields.clone"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + Fields::from_handle(ret as u32) + } + } + } + impl IncomingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Returns the method of the incoming request. + pub fn method(&self) -> Method { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-request.method"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + let v5 = match l1 { + 0 => Method::Get, + 1 => Method::Head, + 2 => Method::Post, + 3 => Method::Put, + 4 => Method::Delete, + 5 => Method::Connect, + 6 => Method::Options, + 7 => Method::Trace, + 8 => Method::Patch, + n => { + debug_assert_eq!(n, 9, "invalid enum discriminant"); + let e5 = { + let l2 = *ptr0.add(4).cast::<*mut u8>(); + let l3 = *ptr0.add(8).cast::(); + let len4 = l3; + let bytes4 = _rt::Vec::from_raw_parts( + l2.cast(), + len4, + len4, + ); + _rt::string_lift(bytes4) + }; + Method::Other(e5) + } + }; + v5 + } + } + } + impl IncomingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Returns the path with query parameters from the request, as a string. + pub fn path_with_query(&self) -> Option<_rt::String> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-request.path-with-query"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = *ptr0.add(4).cast::<*mut u8>(); + let l3 = *ptr0.add(8).cast::(); + let len4 = l3; + let bytes4 = _rt::Vec::from_raw_parts( + l2.cast(), + len4, + len4, + ); + _rt::string_lift(bytes4) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl IncomingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Returns the protocol scheme from the request. + pub fn scheme(&self) -> Option { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-request.scheme"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = i32::from(*ptr0.add(4).cast::()); + let v6 = match l2 { + 0 => Scheme::Http, + 1 => Scheme::Https, + n => { + debug_assert_eq!(n, 2, "invalid enum discriminant"); + let e6 = { + let l3 = *ptr0.add(8).cast::<*mut u8>(); + let l4 = *ptr0.add(12).cast::(); + let len5 = l4; + let bytes5 = _rt::Vec::from_raw_parts( + l3.cast(), + len5, + len5, + ); + _rt::string_lift(bytes5) + }; + Scheme::Other(e6) + } + }; + v6 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl IncomingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Returns the authority of the Request's target URI, if present. + pub fn authority(&self) -> Option<_rt::String> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-request.authority"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = *ptr0.add(4).cast::<*mut u8>(); + let l3 = *ptr0.add(8).cast::(); + let len4 = l3; + let bytes4 = _rt::Vec::from_raw_parts( + l2.cast(), + len4, + len4, + ); + _rt::string_lift(bytes4) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl IncomingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Get the `headers` associated with the request. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// The `headers` returned are a child resource: it must be dropped before + /// the parent `incoming-request` is dropped. Dropping this + /// `incoming-request` before all children are dropped will trap. + pub fn headers(&self) -> Headers { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-request.headers"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + Fields::from_handle(ret as u32) + } + } + } + impl IncomingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Gives the `incoming-body` associated with this request. Will only + /// return success at most once, and subsequent calls will return error. + pub fn consume(&self) -> Result { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-request.consume"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(4).cast::(); + IncomingBody::from_handle(l2 as u32) + }; + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Construct a new `outgoing-request` with a default `method` of `GET`, and + /// `none` values for `path-with-query`, `scheme`, and `authority`. + /// + /// * `headers` is the HTTP Headers for the Request. + /// + /// It is possible to construct, or manipulate with the accessor functions + /// below, an `outgoing-request` with an invalid combination of `scheme` + /// and `authority`, or `headers` which are not permitted to be sent. + /// It is the obligation of the `outgoing-handler.handle` implementation + /// to reject invalid constructions of `outgoing-request`. + pub fn new(headers: Headers) -> Self { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[constructor]outgoing-request"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((&headers).take_handle() as i32); + OutgoingRequest::from_handle(ret as u32) + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Returns the resource corresponding to the outgoing Body for this + /// Request. + /// + /// Returns success on the first call: the `outgoing-body` resource for + /// this `outgoing-request` can be retrieved at most once. Subsequent + /// calls will return error. + pub fn body(&self) -> Result { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.body"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(4).cast::(); + OutgoingBody::from_handle(l2 as u32) + }; + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Get the Method for the Request. + pub fn method(&self) -> Method { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.method"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + let v5 = match l1 { + 0 => Method::Get, + 1 => Method::Head, + 2 => Method::Post, + 3 => Method::Put, + 4 => Method::Delete, + 5 => Method::Connect, + 6 => Method::Options, + 7 => Method::Trace, + 8 => Method::Patch, + n => { + debug_assert_eq!(n, 9, "invalid enum discriminant"); + let e5 = { + let l2 = *ptr0.add(4).cast::<*mut u8>(); + let l3 = *ptr0.add(8).cast::(); + let len4 = l3; + let bytes4 = _rt::Vec::from_raw_parts( + l2.cast(), + len4, + len4, + ); + _rt::string_lift(bytes4) + }; + Method::Other(e5) + } + }; + v5 + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Set the Method for the Request. Fails if the string present in a + /// `method.other` argument is not a syntactically valid method. + pub fn set_method(&self, method: &Method) -> Result<(), ()> { + unsafe { + let (result1_0, result1_1, result1_2) = match method { + Method::Get => (0i32, ::core::ptr::null_mut(), 0usize), + Method::Head => (1i32, ::core::ptr::null_mut(), 0usize), + Method::Post => (2i32, ::core::ptr::null_mut(), 0usize), + Method::Put => (3i32, ::core::ptr::null_mut(), 0usize), + Method::Delete => (4i32, ::core::ptr::null_mut(), 0usize), + Method::Connect => (5i32, ::core::ptr::null_mut(), 0usize), + Method::Options => (6i32, ::core::ptr::null_mut(), 0usize), + Method::Trace => (7i32, ::core::ptr::null_mut(), 0usize), + Method::Patch => (8i32, ::core::ptr::null_mut(), 0usize), + Method::Other(e) => { + let vec0 = e; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + (9i32, ptr0.cast_mut(), len0) + } + }; + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.set-method"] + fn wit_import(_: i32, _: i32, _: *mut u8, _: usize) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32, _: *mut u8, _: usize) -> i32 { + unreachable!() + } + let ret = wit_import( + (self).handle() as i32, + result1_0, + result1_1, + result1_2, + ); + match ret { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Get the combination of the HTTP Path and Query for the Request. + /// When `none`, this represents an empty Path and empty Query. + pub fn path_with_query(&self) -> Option<_rt::String> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.path-with-query"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = *ptr0.add(4).cast::<*mut u8>(); + let l3 = *ptr0.add(8).cast::(); + let len4 = l3; + let bytes4 = _rt::Vec::from_raw_parts( + l2.cast(), + len4, + len4, + ); + _rt::string_lift(bytes4) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Set the combination of the HTTP Path and Query for the Request. + /// When `none`, this represents an empty Path and empty Query. Fails is the + /// string given is not a syntactically valid path and query uri component. + pub fn set_path_with_query( + &self, + path_with_query: Option<&str>, + ) -> Result<(), ()> { + unsafe { + let (result1_0, result1_1, result1_2) = match path_with_query { + Some(e) => { + let vec0 = e; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + (1i32, ptr0.cast_mut(), len0) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.set-path-with-query"] + fn wit_import(_: i32, _: i32, _: *mut u8, _: usize) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32, _: *mut u8, _: usize) -> i32 { + unreachable!() + } + let ret = wit_import( + (self).handle() as i32, + result1_0, + result1_1, + result1_2, + ); + match ret { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Get the HTTP Related Scheme for the Request. When `none`, the + /// implementation may choose an appropriate default scheme. + pub fn scheme(&self) -> Option { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.scheme"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = i32::from(*ptr0.add(4).cast::()); + let v6 = match l2 { + 0 => Scheme::Http, + 1 => Scheme::Https, + n => { + debug_assert_eq!(n, 2, "invalid enum discriminant"); + let e6 = { + let l3 = *ptr0.add(8).cast::<*mut u8>(); + let l4 = *ptr0.add(12).cast::(); + let len5 = l4; + let bytes5 = _rt::Vec::from_raw_parts( + l3.cast(), + len5, + len5, + ); + _rt::string_lift(bytes5) + }; + Scheme::Other(e6) + } + }; + v6 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Set the HTTP Related Scheme for the Request. When `none`, the + /// implementation may choose an appropriate default scheme. Fails if the + /// string given is not a syntactically valid uri scheme. + pub fn set_scheme(&self, scheme: Option<&Scheme>) -> Result<(), ()> { + unsafe { + let (result2_0, result2_1, result2_2, result2_3) = match scheme { + Some(e) => { + let (result1_0, result1_1, result1_2) = match e { + Scheme::Http => (0i32, ::core::ptr::null_mut(), 0usize), + Scheme::Https => (1i32, ::core::ptr::null_mut(), 0usize), + Scheme::Other(e) => { + let vec0 = e; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + (2i32, ptr0.cast_mut(), len0) + } + }; + (1i32, result1_0, result1_1, result1_2) + } + None => (0i32, 0i32, ::core::ptr::null_mut(), 0usize), + }; + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.set-scheme"] + fn wit_import( + _: i32, + _: i32, + _: i32, + _: *mut u8, + _: usize, + ) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import( + _: i32, + _: i32, + _: i32, + _: *mut u8, + _: usize, + ) -> i32 { + unreachable!() + } + let ret = wit_import( + (self).handle() as i32, + result2_0, + result2_1, + result2_2, + result2_3, + ); + match ret { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Get the authority of the Request's target URI. A value of `none` may be used + /// with Related Schemes which do not require an authority. The HTTP and + /// HTTPS schemes always require an authority. + pub fn authority(&self) -> Option<_rt::String> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.authority"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = *ptr0.add(4).cast::<*mut u8>(); + let l3 = *ptr0.add(8).cast::(); + let len4 = l3; + let bytes4 = _rt::Vec::from_raw_parts( + l2.cast(), + len4, + len4, + ); + _rt::string_lift(bytes4) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Set the authority of the Request's target URI. A value of `none` may be used + /// with Related Schemes which do not require an authority. The HTTP and + /// HTTPS schemes always require an authority. Fails if the string given is + /// not a syntactically valid URI authority. + pub fn set_authority(&self, authority: Option<&str>) -> Result<(), ()> { + unsafe { + let (result1_0, result1_1, result1_2) = match authority { + Some(e) => { + let vec0 = e; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + (1i32, ptr0.cast_mut(), len0) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.set-authority"] + fn wit_import(_: i32, _: i32, _: *mut u8, _: usize) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32, _: *mut u8, _: usize) -> i32 { + unreachable!() + } + let ret = wit_import( + (self).handle() as i32, + result1_0, + result1_1, + result1_2, + ); + match ret { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingRequest { + #[allow(unused_unsafe, clippy::all)] + /// Get the headers associated with the Request. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// This headers resource is a child: it must be dropped before the parent + /// `outgoing-request` is dropped, or its ownership is transferred to + /// another component by e.g. `outgoing-handler.handle`. + pub fn headers(&self) -> Headers { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-request.headers"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + Fields::from_handle(ret as u32) + } + } + } + impl RequestOptions { + #[allow(unused_unsafe, clippy::all)] + /// Construct a default `request-options` value. + pub fn new() -> Self { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[constructor]request-options"] + fn wit_import() -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import() -> i32 { + unreachable!() + } + let ret = wit_import(); + RequestOptions::from_handle(ret as u32) + } + } + } + impl RequestOptions { + #[allow(unused_unsafe, clippy::all)] + /// The timeout for the initial connect to the HTTP Server. + pub fn connect_timeout(&self) -> Option { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]request-options.connect-timeout"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = *ptr0.add(8).cast::(); + l2 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl RequestOptions { + #[allow(unused_unsafe, clippy::all)] + /// Set the timeout for the initial connect to the HTTP Server. An error + /// return value indicates that this timeout is not supported. + pub fn set_connect_timeout( + &self, + duration: Option, + ) -> Result<(), ()> { + unsafe { + let (result0_0, result0_1) = match duration { + Some(e) => (1i32, _rt::as_i64(e)), + None => (0i32, 0i64), + }; + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]request-options.set-connect-timeout"] + fn wit_import(_: i32, _: i32, _: i64) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32, _: i64) -> i32 { + unreachable!() + } + let ret = wit_import( + (self).handle() as i32, + result0_0, + result0_1, + ); + match ret { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl RequestOptions { + #[allow(unused_unsafe, clippy::all)] + /// The timeout for receiving the first byte of the Response body. + pub fn first_byte_timeout(&self) -> Option { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]request-options.first-byte-timeout"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = *ptr0.add(8).cast::(); + l2 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl RequestOptions { + #[allow(unused_unsafe, clippy::all)] + /// Set the timeout for receiving the first byte of the Response body. An + /// error return value indicates that this timeout is not supported. + pub fn set_first_byte_timeout( + &self, + duration: Option, + ) -> Result<(), ()> { + unsafe { + let (result0_0, result0_1) = match duration { + Some(e) => (1i32, _rt::as_i64(e)), + None => (0i32, 0i64), + }; + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]request-options.set-first-byte-timeout"] + fn wit_import(_: i32, _: i32, _: i64) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32, _: i64) -> i32 { + unreachable!() + } + let ret = wit_import( + (self).handle() as i32, + result0_0, + result0_1, + ); + match ret { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl RequestOptions { + #[allow(unused_unsafe, clippy::all)] + /// The timeout for receiving subsequent chunks of bytes in the Response + /// body stream. + pub fn between_bytes_timeout(&self) -> Option { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]request-options.between-bytes-timeout"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = *ptr0.add(8).cast::(); + l2 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl RequestOptions { + #[allow(unused_unsafe, clippy::all)] + /// Set the timeout for receiving subsequent chunks of bytes in the Response + /// body stream. An error return value indicates that this timeout is not + /// supported. + pub fn set_between_bytes_timeout( + &self, + duration: Option, + ) -> Result<(), ()> { + unsafe { + let (result0_0, result0_1) = match duration { + Some(e) => (1i32, _rt::as_i64(e)), + None => (0i32, 0i64), + }; + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]request-options.set-between-bytes-timeout"] + fn wit_import(_: i32, _: i32, _: i64) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32, _: i64) -> i32 { + unreachable!() + } + let ret = wit_import( + (self).handle() as i32, + result0_0, + result0_1, + ); + match ret { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl ResponseOutparam { + #[allow(unused_unsafe, clippy::all)] + /// Set the value of the `response-outparam` to either send a response, + /// or indicate an error. + /// + /// This method consumes the `response-outparam` to ensure that it is + /// called at most once. If it is never called, the implementation + /// will respond with an error. + /// + /// The user may provide an `error` to `response` to allow the + /// implementation determine how to respond with an HTTP error response. + pub fn set( + param: ResponseOutparam, + response: Result, + ) { + unsafe { + let ( + result38_0, + result38_1, + result38_2, + result38_3, + result38_4, + result38_5, + result38_6, + result38_7, + ) = match &response { + Ok(e) => { + ( + 0i32, + (e).take_handle() as i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + Err(e) => { + let ( + result37_0, + result37_1, + result37_2, + result37_3, + result37_4, + result37_5, + result37_6, + ) = match e { + ErrorCode::DnsTimeout => { + ( + 0i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::DnsError(e) => { + let DnsErrorPayload { + rcode: rcode0, + info_code: info_code0, + } = e; + let (result2_0, result2_1, result2_2) = match rcode0 { + Some(e) => { + let vec1 = e; + let ptr1 = vec1.as_ptr().cast::(); + let len1 = vec1.len(); + (1i32, ptr1.cast_mut(), len1) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + let (result3_0, result3_1) = match info_code0 { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + ( + 1i32, + result2_0, + { + let mut t = ::core::mem::MaybeUninit::::uninit(); + t.as_mut_ptr().cast::<*mut u8>().write(result2_1); + t + }, + result2_2 as *mut u8, + result3_0 as *mut u8, + result3_1 as usize, + 0i32, + ) + } + ErrorCode::DestinationNotFound => { + ( + 2i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::DestinationUnavailable => { + ( + 3i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::DestinationIpProhibited => { + ( + 4i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::DestinationIpUnroutable => { + ( + 5i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::ConnectionRefused => { + ( + 6i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::ConnectionTerminated => { + ( + 7i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::ConnectionTimeout => { + ( + 8i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::ConnectionReadTimeout => { + ( + 9i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::ConnectionWriteTimeout => { + ( + 10i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::ConnectionLimitReached => { + ( + 11i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::TlsProtocolError => { + ( + 12i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::TlsCertificateError => { + ( + 13i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::TlsAlertReceived(e) => { + let TlsAlertReceivedPayload { + alert_id: alert_id4, + alert_message: alert_message4, + } = e; + let (result5_0, result5_1) = match alert_id4 { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + let (result7_0, result7_1, result7_2) = match alert_message4 { + Some(e) => { + let vec6 = e; + let ptr6 = vec6.as_ptr().cast::(); + let len6 = vec6.len(); + (1i32, ptr6.cast_mut(), len6) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + ( + 14i32, + result5_0, + ::core::mem::MaybeUninit::new(i64::from(result5_1) as u64), + result7_0 as *mut u8, + result7_1, + result7_2, + 0i32, + ) + } + ErrorCode::HttpRequestDenied => { + ( + 15i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpRequestLengthRequired => { + ( + 16i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpRequestBodySize(e) => { + let (result8_0, result8_1) = match e { + Some(e) => (1i32, _rt::as_i64(e)), + None => (0i32, 0i64), + }; + ( + 17i32, + result8_0, + ::core::mem::MaybeUninit::new(result8_1 as u64), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpRequestMethodInvalid => { + ( + 18i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpRequestUriInvalid => { + ( + 19i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpRequestUriTooLong => { + ( + 20i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpRequestHeaderSectionSize(e) => { + let (result9_0, result9_1) = match e { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + ( + 21i32, + result9_0, + ::core::mem::MaybeUninit::new(i64::from(result9_1) as u64), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpRequestHeaderSize(e) => { + let ( + result14_0, + result14_1, + result14_2, + result14_3, + result14_4, + result14_5, + ) = match e { + Some(e) => { + let FieldSizePayload { + field_name: field_name10, + field_size: field_size10, + } = e; + let (result12_0, result12_1, result12_2) = match field_name10 { + Some(e) => { + let vec11 = e; + let ptr11 = vec11.as_ptr().cast::(); + let len11 = vec11.len(); + (1i32, ptr11.cast_mut(), len11) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + let (result13_0, result13_1) = match field_size10 { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + ( + 1i32, + result12_0, + result12_1, + result12_2, + result13_0, + result13_1, + ) + } + None => { + (0i32, 0i32, ::core::ptr::null_mut(), 0usize, 0i32, 0i32) + } + }; + ( + 22i32, + result14_0, + ::core::mem::MaybeUninit::new(i64::from(result14_1) as u64), + result14_2, + result14_3 as *mut u8, + result14_4 as usize, + result14_5, + ) + } + ErrorCode::HttpRequestTrailerSectionSize(e) => { + let (result15_0, result15_1) = match e { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + ( + 23i32, + result15_0, + ::core::mem::MaybeUninit::new(i64::from(result15_1) as u64), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpRequestTrailerSize(e) => { + let FieldSizePayload { + field_name: field_name16, + field_size: field_size16, + } = e; + let (result18_0, result18_1, result18_2) = match field_name16 { + Some(e) => { + let vec17 = e; + let ptr17 = vec17.as_ptr().cast::(); + let len17 = vec17.len(); + (1i32, ptr17.cast_mut(), len17) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + let (result19_0, result19_1) = match field_size16 { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + ( + 24i32, + result18_0, + { + let mut t = ::core::mem::MaybeUninit::::uninit(); + t.as_mut_ptr().cast::<*mut u8>().write(result18_1); + t + }, + result18_2 as *mut u8, + result19_0 as *mut u8, + result19_1 as usize, + 0i32, + ) + } + ErrorCode::HttpResponseIncomplete => { + ( + 25i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpResponseHeaderSectionSize(e) => { + let (result20_0, result20_1) = match e { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + ( + 26i32, + result20_0, + ::core::mem::MaybeUninit::new(i64::from(result20_1) as u64), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpResponseHeaderSize(e) => { + let FieldSizePayload { + field_name: field_name21, + field_size: field_size21, + } = e; + let (result23_0, result23_1, result23_2) = match field_name21 { + Some(e) => { + let vec22 = e; + let ptr22 = vec22.as_ptr().cast::(); + let len22 = vec22.len(); + (1i32, ptr22.cast_mut(), len22) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + let (result24_0, result24_1) = match field_size21 { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + ( + 27i32, + result23_0, + { + let mut t = ::core::mem::MaybeUninit::::uninit(); + t.as_mut_ptr().cast::<*mut u8>().write(result23_1); + t + }, + result23_2 as *mut u8, + result24_0 as *mut u8, + result24_1 as usize, + 0i32, + ) + } + ErrorCode::HttpResponseBodySize(e) => { + let (result25_0, result25_1) = match e { + Some(e) => (1i32, _rt::as_i64(e)), + None => (0i32, 0i64), + }; + ( + 28i32, + result25_0, + ::core::mem::MaybeUninit::new(result25_1 as u64), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpResponseTrailerSectionSize(e) => { + let (result26_0, result26_1) = match e { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + ( + 29i32, + result26_0, + ::core::mem::MaybeUninit::new(i64::from(result26_1) as u64), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpResponseTrailerSize(e) => { + let FieldSizePayload { + field_name: field_name27, + field_size: field_size27, + } = e; + let (result29_0, result29_1, result29_2) = match field_name27 { + Some(e) => { + let vec28 = e; + let ptr28 = vec28.as_ptr().cast::(); + let len28 = vec28.len(); + (1i32, ptr28.cast_mut(), len28) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + let (result30_0, result30_1) = match field_size27 { + Some(e) => (1i32, _rt::as_i32(e)), + None => (0i32, 0i32), + }; + ( + 30i32, + result29_0, + { + let mut t = ::core::mem::MaybeUninit::::uninit(); + t.as_mut_ptr().cast::<*mut u8>().write(result29_1); + t + }, + result29_2 as *mut u8, + result30_0 as *mut u8, + result30_1 as usize, + 0i32, + ) + } + ErrorCode::HttpResponseTransferCoding(e) => { + let (result32_0, result32_1, result32_2) = match e { + Some(e) => { + let vec31 = e; + let ptr31 = vec31.as_ptr().cast::(); + let len31 = vec31.len(); + (1i32, ptr31.cast_mut(), len31) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + ( + 31i32, + result32_0, + { + let mut t = ::core::mem::MaybeUninit::::uninit(); + t.as_mut_ptr().cast::<*mut u8>().write(result32_1); + t + }, + result32_2 as *mut u8, + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpResponseContentCoding(e) => { + let (result34_0, result34_1, result34_2) = match e { + Some(e) => { + let vec33 = e; + let ptr33 = vec33.as_ptr().cast::(); + let len33 = vec33.len(); + (1i32, ptr33.cast_mut(), len33) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + ( + 32i32, + result34_0, + { + let mut t = ::core::mem::MaybeUninit::::uninit(); + t.as_mut_ptr().cast::<*mut u8>().write(result34_1); + t + }, + result34_2 as *mut u8, + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpResponseTimeout => { + ( + 33i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpUpgradeFailed => { + ( + 34i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::HttpProtocolError => { + ( + 35i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::LoopDetected => { + ( + 36i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::ConfigurationError => { + ( + 37i32, + 0i32, + ::core::mem::MaybeUninit::::zeroed(), + ::core::ptr::null_mut(), + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + ErrorCode::InternalError(e) => { + let (result36_0, result36_1, result36_2) = match e { + Some(e) => { + let vec35 = e; + let ptr35 = vec35.as_ptr().cast::(); + let len35 = vec35.len(); + (1i32, ptr35.cast_mut(), len35) + } + None => (0i32, ::core::ptr::null_mut(), 0usize), + }; + ( + 38i32, + result36_0, + { + let mut t = ::core::mem::MaybeUninit::::uninit(); + t.as_mut_ptr().cast::<*mut u8>().write(result36_1); + t + }, + result36_2 as *mut u8, + ::core::ptr::null_mut(), + 0usize, + 0i32, + ) + } + }; + ( + 1i32, + result37_0, + result37_1, + result37_2, + result37_3, + result37_4, + result37_5, + result37_6, + ) + } + }; + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[static]response-outparam.set"] + fn wit_import( + _: i32, + _: i32, + _: i32, + _: i32, + _: ::core::mem::MaybeUninit, + _: *mut u8, + _: *mut u8, + _: usize, + _: i32, + ); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import( + _: i32, + _: i32, + _: i32, + _: i32, + _: ::core::mem::MaybeUninit, + _: *mut u8, + _: *mut u8, + _: usize, + _: i32, + ) { + unreachable!() + } + wit_import( + (¶m).take_handle() as i32, + result38_0, + result38_1, + result38_2, + result38_3, + result38_4, + result38_5, + result38_6, + result38_7, + ); + } + } + } + impl IncomingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Returns the status code from the incoming response. + pub fn status(&self) -> StatusCode { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-response.status"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + ret as u16 + } + } + } + impl IncomingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Returns the headers from the incoming response. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// This headers resource is a child: it must be dropped before the parent + /// `incoming-response` is dropped. + pub fn headers(&self) -> Headers { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-response.headers"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + Fields::from_handle(ret as u32) + } + } + } + impl IncomingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Returns the incoming body. May be called at most once. Returns error + /// if called additional times. + pub fn consume(&self) -> Result { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-response.consume"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(4).cast::(); + IncomingBody::from_handle(l2 as u32) + }; + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl IncomingBody { + #[allow(unused_unsafe, clippy::all)] + /// Returns the contents of the body, as a stream of bytes. + /// + /// Returns success on first call: the stream representing the contents + /// can be retrieved at most once. Subsequent calls will return error. + /// + /// The returned `input-stream` resource is a child: it must be dropped + /// before the parent `incoming-body` is dropped, or consumed by + /// `incoming-body.finish`. + /// + /// This invariant ensures that the implementation can determine whether + /// the user is consuming the contents of the body, waiting on the + /// `future-trailers` to be ready, or neither. This allows for network + /// backpressure is to be applied when the user is consuming the body, + /// and for that backpressure to not inhibit delivery of the trailers if + /// the user does not read the entire body. + pub fn stream(&self) -> Result { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]incoming-body.stream"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(4).cast::(); + super::super::super::wasi::io::streams::InputStream::from_handle( + l2 as u32, + ) + }; + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl IncomingBody { + #[allow(unused_unsafe, clippy::all)] + /// Takes ownership of `incoming-body`, and returns a `future-trailers`. + /// This function will trap if the `input-stream` child is still alive. + pub fn finish(this: IncomingBody) -> FutureTrailers { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[static]incoming-body.finish"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((&this).take_handle() as i32); + FutureTrailers::from_handle(ret as u32) + } + } + } + impl FutureTrailers { + #[allow(unused_unsafe, clippy::all)] + /// Returns a pollable which becomes ready when either the trailers have + /// been received, or an error has occurred. When this pollable is ready, + /// the `get` method will return `some`. + pub fn subscribe(&self) -> Pollable { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]future-trailers.subscribe"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + super::super::super::wasi::io::poll::Pollable::from_handle( + ret as u32, + ) + } + } + } + impl FutureTrailers { + #[allow(unused_unsafe, clippy::all)] + /// Returns the contents of the trailers, or an error which occurred, + /// once the future is ready. + /// + /// The outer `option` represents future readiness. Users can wait on this + /// `option` to become `some` using the `subscribe` method. + /// + /// The outer `result` is used to retrieve the trailers or error at most + /// once. It will be success on the first call in which the outer option + /// is `some`, and error on subsequent calls. + /// + /// The inner `result` represents that either the HTTP Request or Response + /// body, as well as any trailers, were received successfully, or that an + /// error occurred receiving them. The optional `trailers` indicates whether + /// or not trailers were present in the body. + /// + /// When some `trailers` are returned by this method, the `trailers` + /// resource is immutable, and a child. Use of the `set`, `append`, or + /// `delete` methods will return an error, and the resource must be + /// dropped before the parent `future-trailers` is dropped. + pub fn get( + &self, + ) -> Option, ErrorCode>, ()>> { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 56]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 56], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]future-trailers.get"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = i32::from(*ptr0.add(8).cast::()); + match l2 { + 0 => { + let e = { + let l3 = i32::from(*ptr0.add(16).cast::()); + match l3 { + 0 => { + let e = { + let l4 = i32::from(*ptr0.add(24).cast::()); + match l4 { + 0 => None, + 1 => { + let e = { + let l5 = *ptr0.add(28).cast::(); + Fields::from_handle(l5 as u32) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + Ok(e) + } + 1 => { + let e = { + let l6 = i32::from(*ptr0.add(24).cast::()); + let v68 = match l6 { + 0 => ErrorCode::DnsTimeout, + 1 => { + let e68 = { + let l7 = i32::from(*ptr0.add(32).cast::()); + let l11 = i32::from(*ptr0.add(44).cast::()); + DnsErrorPayload { + rcode: match l7 { + 0 => None, + 1 => { + let e = { + let l8 = *ptr0.add(36).cast::<*mut u8>(); + let l9 = *ptr0.add(40).cast::(); + let len10 = l9; + let bytes10 = _rt::Vec::from_raw_parts( + l8.cast(), + len10, + len10, + ); + _rt::string_lift(bytes10) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + info_code: match l11 { + 0 => None, + 1 => { + let e = { + let l12 = i32::from(*ptr0.add(46).cast::()); + l12 as u16 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::DnsError(e68) + } + 2 => ErrorCode::DestinationNotFound, + 3 => ErrorCode::DestinationUnavailable, + 4 => ErrorCode::DestinationIpProhibited, + 5 => ErrorCode::DestinationIpUnroutable, + 6 => ErrorCode::ConnectionRefused, + 7 => ErrorCode::ConnectionTerminated, + 8 => ErrorCode::ConnectionTimeout, + 9 => ErrorCode::ConnectionReadTimeout, + 10 => ErrorCode::ConnectionWriteTimeout, + 11 => ErrorCode::ConnectionLimitReached, + 12 => ErrorCode::TlsProtocolError, + 13 => ErrorCode::TlsCertificateError, + 14 => { + let e68 = { + let l13 = i32::from(*ptr0.add(32).cast::()); + let l15 = i32::from(*ptr0.add(36).cast::()); + TlsAlertReceivedPayload { + alert_id: match l13 { + 0 => None, + 1 => { + let e = { + let l14 = i32::from(*ptr0.add(33).cast::()); + l14 as u8 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + alert_message: match l15 { + 0 => None, + 1 => { + let e = { + let l16 = *ptr0.add(40).cast::<*mut u8>(); + let l17 = *ptr0.add(44).cast::(); + let len18 = l17; + let bytes18 = _rt::Vec::from_raw_parts( + l16.cast(), + len18, + len18, + ); + _rt::string_lift(bytes18) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::TlsAlertReceived(e68) + } + 15 => ErrorCode::HttpRequestDenied, + 16 => ErrorCode::HttpRequestLengthRequired, + 17 => { + let e68 = { + let l19 = i32::from(*ptr0.add(32).cast::()); + match l19 { + 0 => None, + 1 => { + let e = { + let l20 = *ptr0.add(40).cast::(); + l20 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestBodySize(e68) + } + 18 => ErrorCode::HttpRequestMethodInvalid, + 19 => ErrorCode::HttpRequestUriInvalid, + 20 => ErrorCode::HttpRequestUriTooLong, + 21 => { + let e68 = { + let l21 = i32::from(*ptr0.add(32).cast::()); + match l21 { + 0 => None, + 1 => { + let e = { + let l22 = *ptr0.add(36).cast::(); + l22 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestHeaderSectionSize(e68) + } + 22 => { + let e68 = { + let l23 = i32::from(*ptr0.add(32).cast::()); + match l23 { + 0 => None, + 1 => { + let e = { + let l24 = i32::from(*ptr0.add(36).cast::()); + let l28 = i32::from(*ptr0.add(48).cast::()); + FieldSizePayload { + field_name: match l24 { + 0 => None, + 1 => { + let e = { + let l25 = *ptr0.add(40).cast::<*mut u8>(); + let l26 = *ptr0.add(44).cast::(); + let len27 = l26; + let bytes27 = _rt::Vec::from_raw_parts( + l25.cast(), + len27, + len27, + ); + _rt::string_lift(bytes27) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l28 { + 0 => None, + 1 => { + let e = { + let l29 = *ptr0.add(52).cast::(); + l29 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestHeaderSize(e68) + } + 23 => { + let e68 = { + let l30 = i32::from(*ptr0.add(32).cast::()); + match l30 { + 0 => None, + 1 => { + let e = { + let l31 = *ptr0.add(36).cast::(); + l31 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestTrailerSectionSize(e68) + } + 24 => { + let e68 = { + let l32 = i32::from(*ptr0.add(32).cast::()); + let l36 = i32::from(*ptr0.add(44).cast::()); + FieldSizePayload { + field_name: match l32 { + 0 => None, + 1 => { + let e = { + let l33 = *ptr0.add(36).cast::<*mut u8>(); + let l34 = *ptr0.add(40).cast::(); + let len35 = l34; + let bytes35 = _rt::Vec::from_raw_parts( + l33.cast(), + len35, + len35, + ); + _rt::string_lift(bytes35) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l36 { + 0 => None, + 1 => { + let e = { + let l37 = *ptr0.add(48).cast::(); + l37 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpRequestTrailerSize(e68) + } + 25 => ErrorCode::HttpResponseIncomplete, + 26 => { + let e68 = { + let l38 = i32::from(*ptr0.add(32).cast::()); + match l38 { + 0 => None, + 1 => { + let e = { + let l39 = *ptr0.add(36).cast::(); + l39 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseHeaderSectionSize(e68) + } + 27 => { + let e68 = { + let l40 = i32::from(*ptr0.add(32).cast::()); + let l44 = i32::from(*ptr0.add(44).cast::()); + FieldSizePayload { + field_name: match l40 { + 0 => None, + 1 => { + let e = { + let l41 = *ptr0.add(36).cast::<*mut u8>(); + let l42 = *ptr0.add(40).cast::(); + let len43 = l42; + let bytes43 = _rt::Vec::from_raw_parts( + l41.cast(), + len43, + len43, + ); + _rt::string_lift(bytes43) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l44 { + 0 => None, + 1 => { + let e = { + let l45 = *ptr0.add(48).cast::(); + l45 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpResponseHeaderSize(e68) + } + 28 => { + let e68 = { + let l46 = i32::from(*ptr0.add(32).cast::()); + match l46 { + 0 => None, + 1 => { + let e = { + let l47 = *ptr0.add(40).cast::(); + l47 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseBodySize(e68) + } + 29 => { + let e68 = { + let l48 = i32::from(*ptr0.add(32).cast::()); + match l48 { + 0 => None, + 1 => { + let e = { + let l49 = *ptr0.add(36).cast::(); + l49 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseTrailerSectionSize(e68) + } + 30 => { + let e68 = { + let l50 = i32::from(*ptr0.add(32).cast::()); + let l54 = i32::from(*ptr0.add(44).cast::()); + FieldSizePayload { + field_name: match l50 { + 0 => None, + 1 => { + let e = { + let l51 = *ptr0.add(36).cast::<*mut u8>(); + let l52 = *ptr0.add(40).cast::(); + let len53 = l52; + let bytes53 = _rt::Vec::from_raw_parts( + l51.cast(), + len53, + len53, + ); + _rt::string_lift(bytes53) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l54 { + 0 => None, + 1 => { + let e = { + let l55 = *ptr0.add(48).cast::(); + l55 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpResponseTrailerSize(e68) + } + 31 => { + let e68 = { + let l56 = i32::from(*ptr0.add(32).cast::()); + match l56 { + 0 => None, + 1 => { + let e = { + let l57 = *ptr0.add(36).cast::<*mut u8>(); + let l58 = *ptr0.add(40).cast::(); + let len59 = l58; + let bytes59 = _rt::Vec::from_raw_parts( + l57.cast(), + len59, + len59, + ); + _rt::string_lift(bytes59) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseTransferCoding(e68) + } + 32 => { + let e68 = { + let l60 = i32::from(*ptr0.add(32).cast::()); + match l60 { + 0 => None, + 1 => { + let e = { + let l61 = *ptr0.add(36).cast::<*mut u8>(); + let l62 = *ptr0.add(40).cast::(); + let len63 = l62; + let bytes63 = _rt::Vec::from_raw_parts( + l61.cast(), + len63, + len63, + ); + _rt::string_lift(bytes63) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseContentCoding(e68) + } + 33 => ErrorCode::HttpResponseTimeout, + 34 => ErrorCode::HttpUpgradeFailed, + 35 => ErrorCode::HttpProtocolError, + 36 => ErrorCode::LoopDetected, + 37 => ErrorCode::ConfigurationError, + n => { + debug_assert_eq!(n, 38, "invalid enum discriminant"); + let e68 = { + let l64 = i32::from(*ptr0.add(32).cast::()); + match l64 { + 0 => None, + 1 => { + let e = { + let l65 = *ptr0.add(36).cast::<*mut u8>(); + let l66 = *ptr0.add(40).cast::(); + let len67 = l66; + let bytes67 = _rt::Vec::from_raw_parts( + l65.cast(), + len67, + len67, + ); + _rt::string_lift(bytes67) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::InternalError(e68) + } + }; + v68 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Construct an `outgoing-response`, with a default `status-code` of `200`. + /// If a different `status-code` is needed, it must be set via the + /// `set-status-code` method. + /// + /// * `headers` is the HTTP Headers for the Response. + pub fn new(headers: Headers) -> Self { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[constructor]outgoing-response"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((&headers).take_handle() as i32); + OutgoingResponse::from_handle(ret as u32) + } + } + } + impl OutgoingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Get the HTTP Status Code for the Response. + pub fn status_code(&self) -> StatusCode { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-response.status-code"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + ret as u16 + } + } + } + impl OutgoingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Set the HTTP Status Code for the Response. Fails if the status-code + /// given is not a valid http status code. + pub fn set_status_code( + &self, + status_code: StatusCode, + ) -> Result<(), ()> { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-response.set-status-code"] + fn wit_import(_: i32, _: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32) -> i32 { + unreachable!() + } + let ret = wit_import( + (self).handle() as i32, + _rt::as_i32(status_code), + ); + match ret { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Get the headers associated with the Request. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// This headers resource is a child: it must be dropped before the parent + /// `outgoing-request` is dropped, or its ownership is transferred to + /// another component by e.g. `outgoing-handler.handle`. + pub fn headers(&self) -> Headers { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-response.headers"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + Fields::from_handle(ret as u32) + } + } + } + impl OutgoingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Returns the resource corresponding to the outgoing Body for this Response. + /// + /// Returns success on the first call: the `outgoing-body` resource for + /// this `outgoing-response` can be retrieved at most once. Subsequent + /// calls will return error. + pub fn body(&self) -> Result { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-response.body"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(4).cast::(); + OutgoingBody::from_handle(l2 as u32) + }; + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingBody { + #[allow(unused_unsafe, clippy::all)] + /// Returns a stream for writing the body contents. + /// + /// The returned `output-stream` is a child resource: it must be dropped + /// before the parent `outgoing-body` resource is dropped (or finished), + /// otherwise the `outgoing-body` drop or `finish` will trap. + /// + /// Returns success on the first call: the `output-stream` resource for + /// this `outgoing-body` may be retrieved at most once. Subsequent calls + /// will return error. + pub fn write(&self) -> Result { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]outgoing-body.write"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(4).cast::(); + super::super::super::wasi::io::streams::OutputStream::from_handle( + l2 as u32, + ) + }; + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutgoingBody { + #[allow(unused_unsafe, clippy::all)] + /// Finalize an outgoing body, optionally providing trailers. This must be + /// called to signal that the response is complete. If the `outgoing-body` + /// is dropped without calling `outgoing-body.finalize`, the implementation + /// should treat the body as corrupted. + /// + /// Fails if the body's `outgoing-request` or `outgoing-response` was + /// constructed with a Content-Length header, and the contents written + /// to the body (via `write`) does not match the value given in the + /// Content-Length. + pub fn finish( + this: OutgoingBody, + trailers: Option, + ) -> Result<(), ErrorCode> { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 40]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 40], + ); + let (result0_0, result0_1) = match &trailers { + Some(e) => (1i32, (e).take_handle() as i32), + None => (0i32, 0i32), + }; + let ptr1 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[static]outgoing-body.finish"] + fn wit_import(_: i32, _: i32, _: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32, _: i32, _: *mut u8) { + unreachable!() + } + wit_import( + (&this).take_handle() as i32, + result0_0, + result0_1, + ptr1, + ); + let l2 = i32::from(*ptr1.add(0).cast::()); + match l2 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l3 = i32::from(*ptr1.add(8).cast::()); + let v65 = match l3 { + 0 => ErrorCode::DnsTimeout, + 1 => { + let e65 = { + let l4 = i32::from(*ptr1.add(16).cast::()); + let l8 = i32::from(*ptr1.add(28).cast::()); + DnsErrorPayload { + rcode: match l4 { + 0 => None, + 1 => { + let e = { + let l5 = *ptr1.add(20).cast::<*mut u8>(); + let l6 = *ptr1.add(24).cast::(); + let len7 = l6; + let bytes7 = _rt::Vec::from_raw_parts( + l5.cast(), + len7, + len7, + ); + _rt::string_lift(bytes7) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + info_code: match l8 { + 0 => None, + 1 => { + let e = { + let l9 = i32::from(*ptr1.add(30).cast::()); + l9 as u16 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::DnsError(e65) + } + 2 => ErrorCode::DestinationNotFound, + 3 => ErrorCode::DestinationUnavailable, + 4 => ErrorCode::DestinationIpProhibited, + 5 => ErrorCode::DestinationIpUnroutable, + 6 => ErrorCode::ConnectionRefused, + 7 => ErrorCode::ConnectionTerminated, + 8 => ErrorCode::ConnectionTimeout, + 9 => ErrorCode::ConnectionReadTimeout, + 10 => ErrorCode::ConnectionWriteTimeout, + 11 => ErrorCode::ConnectionLimitReached, + 12 => ErrorCode::TlsProtocolError, + 13 => ErrorCode::TlsCertificateError, + 14 => { + let e65 = { + let l10 = i32::from(*ptr1.add(16).cast::()); + let l12 = i32::from(*ptr1.add(20).cast::()); + TlsAlertReceivedPayload { + alert_id: match l10 { + 0 => None, + 1 => { + let e = { + let l11 = i32::from(*ptr1.add(17).cast::()); + l11 as u8 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + alert_message: match l12 { + 0 => None, + 1 => { + let e = { + let l13 = *ptr1.add(24).cast::<*mut u8>(); + let l14 = *ptr1.add(28).cast::(); + let len15 = l14; + let bytes15 = _rt::Vec::from_raw_parts( + l13.cast(), + len15, + len15, + ); + _rt::string_lift(bytes15) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::TlsAlertReceived(e65) + } + 15 => ErrorCode::HttpRequestDenied, + 16 => ErrorCode::HttpRequestLengthRequired, + 17 => { + let e65 = { + let l16 = i32::from(*ptr1.add(16).cast::()); + match l16 { + 0 => None, + 1 => { + let e = { + let l17 = *ptr1.add(24).cast::(); + l17 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestBodySize(e65) + } + 18 => ErrorCode::HttpRequestMethodInvalid, + 19 => ErrorCode::HttpRequestUriInvalid, + 20 => ErrorCode::HttpRequestUriTooLong, + 21 => { + let e65 = { + let l18 = i32::from(*ptr1.add(16).cast::()); + match l18 { + 0 => None, + 1 => { + let e = { + let l19 = *ptr1.add(20).cast::(); + l19 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestHeaderSectionSize(e65) + } + 22 => { + let e65 = { + let l20 = i32::from(*ptr1.add(16).cast::()); + match l20 { + 0 => None, + 1 => { + let e = { + let l21 = i32::from(*ptr1.add(20).cast::()); + let l25 = i32::from(*ptr1.add(32).cast::()); + FieldSizePayload { + field_name: match l21 { + 0 => None, + 1 => { + let e = { + let l22 = *ptr1.add(24).cast::<*mut u8>(); + let l23 = *ptr1.add(28).cast::(); + let len24 = l23; + let bytes24 = _rt::Vec::from_raw_parts( + l22.cast(), + len24, + len24, + ); + _rt::string_lift(bytes24) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l25 { + 0 => None, + 1 => { + let e = { + let l26 = *ptr1.add(36).cast::(); + l26 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestHeaderSize(e65) + } + 23 => { + let e65 = { + let l27 = i32::from(*ptr1.add(16).cast::()); + match l27 { + 0 => None, + 1 => { + let e = { + let l28 = *ptr1.add(20).cast::(); + l28 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestTrailerSectionSize(e65) + } + 24 => { + let e65 = { + let l29 = i32::from(*ptr1.add(16).cast::()); + let l33 = i32::from(*ptr1.add(28).cast::()); + FieldSizePayload { + field_name: match l29 { + 0 => None, + 1 => { + let e = { + let l30 = *ptr1.add(20).cast::<*mut u8>(); + let l31 = *ptr1.add(24).cast::(); + let len32 = l31; + let bytes32 = _rt::Vec::from_raw_parts( + l30.cast(), + len32, + len32, + ); + _rt::string_lift(bytes32) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l33 { + 0 => None, + 1 => { + let e = { + let l34 = *ptr1.add(32).cast::(); + l34 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpRequestTrailerSize(e65) + } + 25 => ErrorCode::HttpResponseIncomplete, + 26 => { + let e65 = { + let l35 = i32::from(*ptr1.add(16).cast::()); + match l35 { + 0 => None, + 1 => { + let e = { + let l36 = *ptr1.add(20).cast::(); + l36 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseHeaderSectionSize(e65) + } + 27 => { + let e65 = { + let l37 = i32::from(*ptr1.add(16).cast::()); + let l41 = i32::from(*ptr1.add(28).cast::()); + FieldSizePayload { + field_name: match l37 { + 0 => None, + 1 => { + let e = { + let l38 = *ptr1.add(20).cast::<*mut u8>(); + let l39 = *ptr1.add(24).cast::(); + let len40 = l39; + let bytes40 = _rt::Vec::from_raw_parts( + l38.cast(), + len40, + len40, + ); + _rt::string_lift(bytes40) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l41 { + 0 => None, + 1 => { + let e = { + let l42 = *ptr1.add(32).cast::(); + l42 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpResponseHeaderSize(e65) + } + 28 => { + let e65 = { + let l43 = i32::from(*ptr1.add(16).cast::()); + match l43 { + 0 => None, + 1 => { + let e = { + let l44 = *ptr1.add(24).cast::(); + l44 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseBodySize(e65) + } + 29 => { + let e65 = { + let l45 = i32::from(*ptr1.add(16).cast::()); + match l45 { + 0 => None, + 1 => { + let e = { + let l46 = *ptr1.add(20).cast::(); + l46 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseTrailerSectionSize(e65) + } + 30 => { + let e65 = { + let l47 = i32::from(*ptr1.add(16).cast::()); + let l51 = i32::from(*ptr1.add(28).cast::()); + FieldSizePayload { + field_name: match l47 { + 0 => None, + 1 => { + let e = { + let l48 = *ptr1.add(20).cast::<*mut u8>(); + let l49 = *ptr1.add(24).cast::(); + let len50 = l49; + let bytes50 = _rt::Vec::from_raw_parts( + l48.cast(), + len50, + len50, + ); + _rt::string_lift(bytes50) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l51 { + 0 => None, + 1 => { + let e = { + let l52 = *ptr1.add(32).cast::(); + l52 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpResponseTrailerSize(e65) + } + 31 => { + let e65 = { + let l53 = i32::from(*ptr1.add(16).cast::()); + match l53 { + 0 => None, + 1 => { + let e = { + let l54 = *ptr1.add(20).cast::<*mut u8>(); + let l55 = *ptr1.add(24).cast::(); + let len56 = l55; + let bytes56 = _rt::Vec::from_raw_parts( + l54.cast(), + len56, + len56, + ); + _rt::string_lift(bytes56) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseTransferCoding(e65) + } + 32 => { + let e65 = { + let l57 = i32::from(*ptr1.add(16).cast::()); + match l57 { + 0 => None, + 1 => { + let e = { + let l58 = *ptr1.add(20).cast::<*mut u8>(); + let l59 = *ptr1.add(24).cast::(); + let len60 = l59; + let bytes60 = _rt::Vec::from_raw_parts( + l58.cast(), + len60, + len60, + ); + _rt::string_lift(bytes60) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseContentCoding(e65) + } + 33 => ErrorCode::HttpResponseTimeout, + 34 => ErrorCode::HttpUpgradeFailed, + 35 => ErrorCode::HttpProtocolError, + 36 => ErrorCode::LoopDetected, + 37 => ErrorCode::ConfigurationError, + n => { + debug_assert_eq!(n, 38, "invalid enum discriminant"); + let e65 = { + let l61 = i32::from(*ptr1.add(16).cast::()); + match l61 { + 0 => None, + 1 => { + let e = { + let l62 = *ptr1.add(20).cast::<*mut u8>(); + let l63 = *ptr1.add(24).cast::(); + let len64 = l63; + let bytes64 = _rt::Vec::from_raw_parts( + l62.cast(), + len64, + len64, + ); + _rt::string_lift(bytes64) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::InternalError(e65) + } + }; + v65 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl FutureIncomingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Returns a pollable which becomes ready when either the Response has + /// been received, or an error has occurred. When this pollable is ready, + /// the `get` method will return `some`. + pub fn subscribe(&self) -> Pollable { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]future-incoming-response.subscribe"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + super::super::super::wasi::io::poll::Pollable::from_handle( + ret as u32, + ) + } + } + } + impl FutureIncomingResponse { + #[allow(unused_unsafe, clippy::all)] + /// Returns the incoming HTTP Response, or an error, once one is ready. + /// + /// The outer `option` represents future readiness. Users can wait on this + /// `option` to become `some` using the `subscribe` method. + /// + /// The outer `result` is used to retrieve the response or error at most + /// once. It will be success on the first call in which the outer option + /// is `some`, and error on subsequent calls. + /// + /// The inner `result` represents that either the incoming HTTP Response + /// status and headers have received successfully, or that an error + /// occurred. Errors may also occur while consuming the response body, + /// but those will be reported by the `incoming-body` and its + /// `output-stream` child. + pub fn get( + &self, + ) -> Option, ()>> { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 56]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 56], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:http/types@0.2.3")] + extern "C" { + #[link_name = "[method]future-incoming-response.get"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => None, + 1 => { + let e = { + let l2 = i32::from(*ptr0.add(8).cast::()); + match l2 { + 0 => { + let e = { + let l3 = i32::from(*ptr0.add(16).cast::()); + match l3 { + 0 => { + let e = { + let l4 = *ptr0.add(24).cast::(); + IncomingResponse::from_handle(l4 as u32) + }; + Ok(e) + } + 1 => { + let e = { + let l5 = i32::from(*ptr0.add(24).cast::()); + let v67 = match l5 { + 0 => ErrorCode::DnsTimeout, + 1 => { + let e67 = { + let l6 = i32::from(*ptr0.add(32).cast::()); + let l10 = i32::from(*ptr0.add(44).cast::()); + DnsErrorPayload { + rcode: match l6 { + 0 => None, + 1 => { + let e = { + let l7 = *ptr0.add(36).cast::<*mut u8>(); + let l8 = *ptr0.add(40).cast::(); + let len9 = l8; + let bytes9 = _rt::Vec::from_raw_parts( + l7.cast(), + len9, + len9, + ); + _rt::string_lift(bytes9) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + info_code: match l10 { + 0 => None, + 1 => { + let e = { + let l11 = i32::from(*ptr0.add(46).cast::()); + l11 as u16 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::DnsError(e67) + } + 2 => ErrorCode::DestinationNotFound, + 3 => ErrorCode::DestinationUnavailable, + 4 => ErrorCode::DestinationIpProhibited, + 5 => ErrorCode::DestinationIpUnroutable, + 6 => ErrorCode::ConnectionRefused, + 7 => ErrorCode::ConnectionTerminated, + 8 => ErrorCode::ConnectionTimeout, + 9 => ErrorCode::ConnectionReadTimeout, + 10 => ErrorCode::ConnectionWriteTimeout, + 11 => ErrorCode::ConnectionLimitReached, + 12 => ErrorCode::TlsProtocolError, + 13 => ErrorCode::TlsCertificateError, + 14 => { + let e67 = { + let l12 = i32::from(*ptr0.add(32).cast::()); + let l14 = i32::from(*ptr0.add(36).cast::()); + TlsAlertReceivedPayload { + alert_id: match l12 { + 0 => None, + 1 => { + let e = { + let l13 = i32::from(*ptr0.add(33).cast::()); + l13 as u8 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + alert_message: match l14 { + 0 => None, + 1 => { + let e = { + let l15 = *ptr0.add(40).cast::<*mut u8>(); + let l16 = *ptr0.add(44).cast::(); + let len17 = l16; + let bytes17 = _rt::Vec::from_raw_parts( + l15.cast(), + len17, + len17, + ); + _rt::string_lift(bytes17) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::TlsAlertReceived(e67) + } + 15 => ErrorCode::HttpRequestDenied, + 16 => ErrorCode::HttpRequestLengthRequired, + 17 => { + let e67 = { + let l18 = i32::from(*ptr0.add(32).cast::()); + match l18 { + 0 => None, + 1 => { + let e = { + let l19 = *ptr0.add(40).cast::(); + l19 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestBodySize(e67) + } + 18 => ErrorCode::HttpRequestMethodInvalid, + 19 => ErrorCode::HttpRequestUriInvalid, + 20 => ErrorCode::HttpRequestUriTooLong, + 21 => { + let e67 = { + let l20 = i32::from(*ptr0.add(32).cast::()); + match l20 { + 0 => None, + 1 => { + let e = { + let l21 = *ptr0.add(36).cast::(); + l21 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestHeaderSectionSize(e67) + } + 22 => { + let e67 = { + let l22 = i32::from(*ptr0.add(32).cast::()); + match l22 { + 0 => None, + 1 => { + let e = { + let l23 = i32::from(*ptr0.add(36).cast::()); + let l27 = i32::from(*ptr0.add(48).cast::()); + FieldSizePayload { + field_name: match l23 { + 0 => None, + 1 => { + let e = { + let l24 = *ptr0.add(40).cast::<*mut u8>(); + let l25 = *ptr0.add(44).cast::(); + let len26 = l25; + let bytes26 = _rt::Vec::from_raw_parts( + l24.cast(), + len26, + len26, + ); + _rt::string_lift(bytes26) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l27 { + 0 => None, + 1 => { + let e = { + let l28 = *ptr0.add(52).cast::(); + l28 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestHeaderSize(e67) + } + 23 => { + let e67 = { + let l29 = i32::from(*ptr0.add(32).cast::()); + match l29 { + 0 => None, + 1 => { + let e = { + let l30 = *ptr0.add(36).cast::(); + l30 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpRequestTrailerSectionSize(e67) + } + 24 => { + let e67 = { + let l31 = i32::from(*ptr0.add(32).cast::()); + let l35 = i32::from(*ptr0.add(44).cast::()); + FieldSizePayload { + field_name: match l31 { + 0 => None, + 1 => { + let e = { + let l32 = *ptr0.add(36).cast::<*mut u8>(); + let l33 = *ptr0.add(40).cast::(); + let len34 = l33; + let bytes34 = _rt::Vec::from_raw_parts( + l32.cast(), + len34, + len34, + ); + _rt::string_lift(bytes34) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l35 { + 0 => None, + 1 => { + let e = { + let l36 = *ptr0.add(48).cast::(); + l36 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpRequestTrailerSize(e67) + } + 25 => ErrorCode::HttpResponseIncomplete, + 26 => { + let e67 = { + let l37 = i32::from(*ptr0.add(32).cast::()); + match l37 { + 0 => None, + 1 => { + let e = { + let l38 = *ptr0.add(36).cast::(); + l38 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseHeaderSectionSize(e67) + } + 27 => { + let e67 = { + let l39 = i32::from(*ptr0.add(32).cast::()); + let l43 = i32::from(*ptr0.add(44).cast::()); + FieldSizePayload { + field_name: match l39 { + 0 => None, + 1 => { + let e = { + let l40 = *ptr0.add(36).cast::<*mut u8>(); + let l41 = *ptr0.add(40).cast::(); + let len42 = l41; + let bytes42 = _rt::Vec::from_raw_parts( + l40.cast(), + len42, + len42, + ); + _rt::string_lift(bytes42) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l43 { + 0 => None, + 1 => { + let e = { + let l44 = *ptr0.add(48).cast::(); + l44 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpResponseHeaderSize(e67) + } + 28 => { + let e67 = { + let l45 = i32::from(*ptr0.add(32).cast::()); + match l45 { + 0 => None, + 1 => { + let e = { + let l46 = *ptr0.add(40).cast::(); + l46 as u64 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseBodySize(e67) + } + 29 => { + let e67 = { + let l47 = i32::from(*ptr0.add(32).cast::()); + match l47 { + 0 => None, + 1 => { + let e = { + let l48 = *ptr0.add(36).cast::(); + l48 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseTrailerSectionSize(e67) + } + 30 => { + let e67 = { + let l49 = i32::from(*ptr0.add(32).cast::()); + let l53 = i32::from(*ptr0.add(44).cast::()); + FieldSizePayload { + field_name: match l49 { + 0 => None, + 1 => { + let e = { + let l50 = *ptr0.add(36).cast::<*mut u8>(); + let l51 = *ptr0.add(40).cast::(); + let len52 = l51; + let bytes52 = _rt::Vec::from_raw_parts( + l50.cast(), + len52, + len52, + ); + _rt::string_lift(bytes52) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + field_size: match l53 { + 0 => None, + 1 => { + let e = { + let l54 = *ptr0.add(48).cast::(); + l54 as u32 + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + }, + } + }; + ErrorCode::HttpResponseTrailerSize(e67) + } + 31 => { + let e67 = { + let l55 = i32::from(*ptr0.add(32).cast::()); + match l55 { + 0 => None, + 1 => { + let e = { + let l56 = *ptr0.add(36).cast::<*mut u8>(); + let l57 = *ptr0.add(40).cast::(); + let len58 = l57; + let bytes58 = _rt::Vec::from_raw_parts( + l56.cast(), + len58, + len58, + ); + _rt::string_lift(bytes58) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseTransferCoding(e67) + } + 32 => { + let e67 = { + let l59 = i32::from(*ptr0.add(32).cast::()); + match l59 { + 0 => None, + 1 => { + let e = { + let l60 = *ptr0.add(36).cast::<*mut u8>(); + let l61 = *ptr0.add(40).cast::(); + let len62 = l61; + let bytes62 = _rt::Vec::from_raw_parts( + l60.cast(), + len62, + len62, + ); + _rt::string_lift(bytes62) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::HttpResponseContentCoding(e67) + } + 33 => ErrorCode::HttpResponseTimeout, + 34 => ErrorCode::HttpUpgradeFailed, + 35 => ErrorCode::HttpProtocolError, + 36 => ErrorCode::LoopDetected, + 37 => ErrorCode::ConfigurationError, + n => { + debug_assert_eq!(n, 38, "invalid enum discriminant"); + let e67 = { + let l63 = i32::from(*ptr0.add(32).cast::()); + match l63 { + 0 => None, + 1 => { + let e = { + let l64 = *ptr0.add(36).cast::<*mut u8>(); + let l65 = *ptr0.add(40).cast::(); + let len66 = l65; + let bytes66 = _rt::Vec::from_raw_parts( + l64.cast(), + len66, + len66, + ); + _rt::string_lift(bytes66) + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + ErrorCode::InternalError(e67) + } + }; + v67 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + Ok(e) + } + 1 => { + let e = (); + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + }; + Some(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + } + } + #[allow(dead_code)] + pub mod io { + #[allow(dead_code, clippy::all)] + pub mod poll { + #[used] + #[doc(hidden)] + static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports; + use super::super::super::_rt; + /// `pollable` represents a single I/O event which may be ready, or not. + #[derive(Debug)] + #[repr(transparent)] + pub struct Pollable { + handle: _rt::Resource, + } + impl Pollable { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for Pollable { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:io/poll@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]pollable"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + impl Pollable { + #[allow(unused_unsafe, clippy::all)] + /// Return the readiness of a pollable. This function never blocks. + /// + /// Returns `true` when the pollable is ready, and `false` otherwise. + pub fn ready(&self) -> bool { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/poll@0.2.3")] + extern "C" { + #[link_name = "[method]pollable.ready"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + _rt::bool_lift(ret as u8) + } + } + } + impl Pollable { + #[allow(unused_unsafe, clippy::all)] + /// `block` returns immediately if the pollable is ready, and otherwise + /// blocks until ready. + /// + /// This function is equivalent to calling `poll.poll` on a list + /// containing only this pollable. + pub fn block(&self) { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/poll@0.2.3")] + extern "C" { + #[link_name = "[method]pollable.block"] + fn wit_import(_: i32); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) { + unreachable!() + } + wit_import((self).handle() as i32); + } + } + } + #[allow(unused_unsafe, clippy::all)] + /// Poll for completion on a set of pollables. + /// + /// This function takes a list of pollables, which identify I/O sources of + /// interest, and waits until one or more of the events is ready for I/O. + /// + /// The result `list` contains one or more indices of handles in the + /// argument list that is ready for I/O. + /// + /// This function traps if either: + /// - the list is empty, or: + /// - the list contains more elements than can be indexed with a `u32` value. + /// + /// A timeout can be implemented by adding a pollable from the + /// wasi-clocks API to the list. + /// + /// This function does not return a `result`; polling in itself does not + /// do any I/O so it doesn't fail. If any of the I/O sources identified by + /// the pollables has an error, it is indicated by marking the source as + /// being ready for I/O. + pub fn poll(in_: &[&Pollable]) -> _rt::Vec { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 8]); + let vec0 = in_; + let len0 = vec0.len(); + let layout0 = _rt::alloc::Layout::from_size_align_unchecked( + vec0.len() * 4, + 4, + ); + let result0 = if layout0.size() != 0 { + let ptr = _rt::alloc::alloc(layout0).cast::(); + if ptr.is_null() { + _rt::alloc::handle_alloc_error(layout0); + } + ptr + } else { + ::core::ptr::null_mut() + }; + for (i, e) in vec0.into_iter().enumerate() { + let base = result0.add(i * 4); + { + *base.add(0).cast::() = (e).handle() as i32; + } + } + let ptr1 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/poll@0.2.3")] + extern "C" { + #[link_name = "poll"] + fn wit_import(_: *mut u8, _: usize, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: *mut u8, _: usize, _: *mut u8) { + unreachable!() + } + wit_import(result0, len0, ptr1); + let l2 = *ptr1.add(0).cast::<*mut u8>(); + let l3 = *ptr1.add(4).cast::(); + let len4 = l3; + if layout0.size() != 0 { + _rt::alloc::dealloc(result0.cast(), layout0); + } + _rt::Vec::from_raw_parts(l2.cast(), len4, len4) + } + } + } + #[allow(dead_code, clippy::all)] + pub mod error { + #[used] + #[doc(hidden)] + static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports; + use super::super::super::_rt; + /// A resource which represents some error information. + /// + /// The only method provided by this resource is `to-debug-string`, + /// which provides some human-readable information about the error. + /// + /// In the `wasi:io` package, this resource is returned through the + /// `wasi:io/streams/stream-error` type. + /// + /// To provide more specific error information, other interfaces may + /// offer functions to "downcast" this error into more specific types. For example, + /// errors returned from streams derived from filesystem types can be described using + /// the filesystem's own error-code type. This is done using the function + /// `wasi:filesystem/types/filesystem-error-code`, which takes a `borrow` + /// parameter and returns an `option`. + /// + /// The set of functions which can "downcast" an `error` into a more + /// concrete type is open. + #[derive(Debug)] + #[repr(transparent)] + pub struct Error { + handle: _rt::Resource, + } + impl Error { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for Error { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:io/error@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]error"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + impl Error { + #[allow(unused_unsafe, clippy::all)] + /// Returns a string that is suitable to assist humans in debugging + /// this error. + /// + /// WARNING: The returned string should not be consumed mechanically! + /// It may change across platforms, hosts, or other implementation + /// details. Parsing this string is a major platform-compatibility + /// hazard. + pub fn to_debug_string(&self) -> _rt::String { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 8]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 8], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/error@0.2.3")] + extern "C" { + #[link_name = "[method]error.to-debug-string"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = *ptr0.add(0).cast::<*mut u8>(); + let l2 = *ptr0.add(4).cast::(); + let len3 = l2; + let bytes3 = _rt::Vec::from_raw_parts(l1.cast(), len3, len3); + _rt::string_lift(bytes3) + } + } + } + } + #[allow(dead_code, clippy::all)] + pub mod streams { + #[used] + #[doc(hidden)] + static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports; + use super::super::super::_rt; + pub type Error = super::super::super::wasi::io::error::Error; + pub type Pollable = super::super::super::wasi::io::poll::Pollable; + /// An error for input-stream and output-stream operations. + pub enum StreamError { + /// The last operation (a write or flush) failed before completion. + /// + /// More information is available in the `error` payload. + /// + /// After this, the stream will be closed. All future operations return + /// `stream-error::closed`. + LastOperationFailed(Error), + /// The stream is closed: no more input will be accepted by the + /// stream. A closed output-stream will return this error on all + /// future operations. + Closed, + } + impl ::core::fmt::Debug for StreamError { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + match self { + StreamError::LastOperationFailed(e) => { + f.debug_tuple("StreamError::LastOperationFailed") + .field(e) + .finish() + } + StreamError::Closed => { + f.debug_tuple("StreamError::Closed").finish() + } + } + } + } + impl ::core::fmt::Display for StreamError { + fn fmt( + &self, + f: &mut ::core::fmt::Formatter<'_>, + ) -> ::core::fmt::Result { + write!(f, "{:?}", self) + } + } + impl std::error::Error for StreamError {} + /// An input bytestream. + /// + /// `input-stream`s are *non-blocking* to the extent practical on underlying + /// platforms. I/O operations always return promptly; if fewer bytes are + /// promptly available than requested, they return the number of bytes promptly + /// available, which could even be zero. To wait for data to be available, + /// use the `subscribe` function to obtain a `pollable` which can be polled + /// for using `wasi:io/poll`. + #[derive(Debug)] + #[repr(transparent)] + pub struct InputStream { + handle: _rt::Resource, + } + impl InputStream { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for InputStream { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]input-stream"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + /// An output bytestream. + /// + /// `output-stream`s are *non-blocking* to the extent practical on + /// underlying platforms. Except where specified otherwise, I/O operations also + /// always return promptly, after the number of bytes that can be written + /// promptly, which could even be zero. To wait for the stream to be ready to + /// accept data, the `subscribe` function to obtain a `pollable` which can be + /// polled for using `wasi:io/poll`. + /// + /// Dropping an `output-stream` while there's still an active write in + /// progress may result in the data being lost. Before dropping the stream, + /// be sure to fully flush your writes. + #[derive(Debug)] + #[repr(transparent)] + pub struct OutputStream { + handle: _rt::Resource, + } + impl OutputStream { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + Self { + handle: _rt::Resource::from_handle(handle), + } + } + #[doc(hidden)] + pub fn take_handle(&self) -> u32 { + _rt::Resource::take_handle(&self.handle) + } + #[doc(hidden)] + pub fn handle(&self) -> u32 { + _rt::Resource::handle(&self.handle) + } + } + unsafe impl _rt::WasmResource for OutputStream { + #[inline] + unsafe fn drop(_handle: u32) { + #[cfg(not(target_arch = "wasm32"))] + unreachable!(); + #[cfg(target_arch = "wasm32")] + { + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[resource-drop]output-stream"] + fn drop(_: u32); + } + drop(_handle); + } + } + } + impl InputStream { + #[allow(unused_unsafe, clippy::all)] + /// Perform a non-blocking read from the stream. + /// + /// When the source of a `read` is binary data, the bytes from the source + /// are returned verbatim. When the source of a `read` is known to the + /// implementation to be text, bytes containing the UTF-8 encoding of the + /// text are returned. + /// + /// This function returns a list of bytes containing the read data, + /// when successful. The returned list will contain up to `len` bytes; + /// it may return fewer than requested, but not more. The list is + /// empty when no bytes are available for reading at this time. The + /// pollable given by `subscribe` will be ready when more bytes are + /// available. + /// + /// This function fails with a `stream-error` when the operation + /// encounters an error, giving `last-operation-failed`, or when the + /// stream is closed, giving `closed`. + /// + /// When the caller gives a `len` of 0, it represents a request to + /// read 0 bytes. If the stream is still open, this call should + /// succeed and return an empty list, or otherwise fail with `closed`. + /// + /// The `len` parameter is a `u64`, which could represent a list of u8 which + /// is not possible to allocate in wasm32, or not desirable to allocate as + /// as a return value by the callee. The callee may return a list of bytes + /// less than `len` in size while more bytes are available for reading. + pub fn read(&self, len: u64) -> Result<_rt::Vec, StreamError> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]input-stream.read"] + fn wit_import(_: i32, _: i64, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i64, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, _rt::as_i64(&len), ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(4).cast::<*mut u8>(); + let l3 = *ptr0.add(8).cast::(); + let len4 = l3; + _rt::Vec::from_raw_parts(l2.cast(), len4, len4) + }; + Ok(e) + } + 1 => { + let e = { + let l5 = i32::from(*ptr0.add(4).cast::()); + let v7 = match l5 { + 0 => { + let e7 = { + let l6 = *ptr0.add(8).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l6 as u32, + ) + }; + StreamError::LastOperationFailed(e7) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v7 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl InputStream { + #[allow(unused_unsafe, clippy::all)] + /// Read bytes from a stream, after blocking until at least one byte can + /// be read. Except for blocking, behavior is identical to `read`. + pub fn blocking_read( + &self, + len: u64, + ) -> Result<_rt::Vec, StreamError> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]input-stream.blocking-read"] + fn wit_import(_: i32, _: i64, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i64, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, _rt::as_i64(&len), ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(4).cast::<*mut u8>(); + let l3 = *ptr0.add(8).cast::(); + let len4 = l3; + _rt::Vec::from_raw_parts(l2.cast(), len4, len4) + }; + Ok(e) + } + 1 => { + let e = { + let l5 = i32::from(*ptr0.add(4).cast::()); + let v7 = match l5 { + 0 => { + let e7 = { + let l6 = *ptr0.add(8).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l6 as u32, + ) + }; + StreamError::LastOperationFailed(e7) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v7 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl InputStream { + #[allow(unused_unsafe, clippy::all)] + /// Skip bytes from a stream. Returns number of bytes skipped. + /// + /// Behaves identical to `read`, except instead of returning a list + /// of bytes, returns the number of bytes consumed from the stream. + pub fn skip(&self, len: u64) -> Result { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]input-stream.skip"] + fn wit_import(_: i32, _: i64, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i64, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, _rt::as_i64(&len), ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(8).cast::(); + l2 as u64 + }; + Ok(e) + } + 1 => { + let e = { + let l3 = i32::from(*ptr0.add(8).cast::()); + let v5 = match l3 { + 0 => { + let e5 = { + let l4 = *ptr0.add(12).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l4 as u32, + ) + }; + StreamError::LastOperationFailed(e5) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v5 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl InputStream { + #[allow(unused_unsafe, clippy::all)] + /// Skip bytes from a stream, after blocking until at least one byte + /// can be skipped. Except for blocking behavior, identical to `skip`. + pub fn blocking_skip(&self, len: u64) -> Result { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]input-stream.blocking-skip"] + fn wit_import(_: i32, _: i64, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i64, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, _rt::as_i64(&len), ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(8).cast::(); + l2 as u64 + }; + Ok(e) + } + 1 => { + let e = { + let l3 = i32::from(*ptr0.add(8).cast::()); + let v5 = match l3 { + 0 => { + let e5 = { + let l4 = *ptr0.add(12).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l4 as u32, + ) + }; + StreamError::LastOperationFailed(e5) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v5 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl InputStream { + #[allow(unused_unsafe, clippy::all)] + /// Create a `pollable` which will resolve once either the specified stream + /// has bytes available to read or the other end of the stream has been + /// closed. + /// The created `pollable` is a child resource of the `input-stream`. + /// Implementations may trap if the `input-stream` is dropped before + /// all derived `pollable`s created with this function are dropped. + pub fn subscribe(&self) -> Pollable { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]input-stream.subscribe"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + super::super::super::wasi::io::poll::Pollable::from_handle( + ret as u32, + ) + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Check readiness for writing. This function never blocks. + /// + /// Returns the number of bytes permitted for the next call to `write`, + /// or an error. Calling `write` with more bytes than this function has + /// permitted will trap. + /// + /// When this function returns 0 bytes, the `subscribe` pollable will + /// become ready when this function will report at least 1 byte, or an + /// error. + pub fn check_write(&self) -> Result { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.check-write"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(8).cast::(); + l2 as u64 + }; + Ok(e) + } + 1 => { + let e = { + let l3 = i32::from(*ptr0.add(8).cast::()); + let v5 = match l3 { + 0 => { + let e5 = { + let l4 = *ptr0.add(12).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l4 as u32, + ) + }; + StreamError::LastOperationFailed(e5) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v5 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Perform a write. This function never blocks. + /// + /// When the destination of a `write` is binary data, the bytes from + /// `contents` are written verbatim. When the destination of a `write` is + /// known to the implementation to be text, the bytes of `contents` are + /// transcoded from UTF-8 into the encoding of the destination and then + /// written. + /// + /// Precondition: check-write gave permit of Ok(n) and contents has a + /// length of less than or equal to n. Otherwise, this function will trap. + /// + /// returns Err(closed) without writing if the stream has closed since + /// the last call to check-write provided a permit. + pub fn write(&self, contents: &[u8]) -> Result<(), StreamError> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let vec0 = contents; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + let ptr1 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.write"] + fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0.cast_mut(), len0, ptr1); + let l2 = i32::from(*ptr1.add(0).cast::()); + match l2 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l3 = i32::from(*ptr1.add(4).cast::()); + let v5 = match l3 { + 0 => { + let e5 = { + let l4 = *ptr1.add(8).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l4 as u32, + ) + }; + StreamError::LastOperationFailed(e5) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v5 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Perform a write of up to 4096 bytes, and then flush the stream. Block + /// until all of these operations are complete, or an error occurs. + /// + /// This is a convenience wrapper around the use of `check-write`, + /// `subscribe`, `write`, and `flush`, and is implemented with the + /// following pseudo-code: + /// + /// ```text + /// let pollable = this.subscribe(); + /// while !contents.is_empty() { + /// // Wait for the stream to become writable + /// pollable.block(); + /// let Ok(n) = this.check-write(); // eliding error handling + /// let len = min(n, contents.len()); + /// let (chunk, rest) = contents.split_at(len); + /// this.write(chunk ); // eliding error handling + /// contents = rest; + /// } + /// this.flush(); + /// // Wait for completion of `flush` + /// pollable.block(); + /// // Check for any errors that arose during `flush` + /// let _ = this.check-write(); // eliding error handling + /// ``` + pub fn blocking_write_and_flush( + &self, + contents: &[u8], + ) -> Result<(), StreamError> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let vec0 = contents; + let ptr0 = vec0.as_ptr().cast::(); + let len0 = vec0.len(); + let ptr1 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.blocking-write-and-flush"] + fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0.cast_mut(), len0, ptr1); + let l2 = i32::from(*ptr1.add(0).cast::()); + match l2 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l3 = i32::from(*ptr1.add(4).cast::()); + let v5 = match l3 { + 0 => { + let e5 = { + let l4 = *ptr1.add(8).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l4 as u32, + ) + }; + StreamError::LastOperationFailed(e5) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v5 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Request to flush buffered output. This function never blocks. + /// + /// This tells the output-stream that the caller intends any buffered + /// output to be flushed. the output which is expected to be flushed + /// is all that has been passed to `write` prior to this call. + /// + /// Upon calling this function, the `output-stream` will not accept any + /// writes (`check-write` will return `ok(0)`) until the flush has + /// completed. The `subscribe` pollable will become ready when the + /// flush has completed and the stream can accept more writes. + pub fn flush(&self) -> Result<(), StreamError> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.flush"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l2 = i32::from(*ptr0.add(4).cast::()); + let v4 = match l2 { + 0 => { + let e4 = { + let l3 = *ptr0.add(8).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l3 as u32, + ) + }; + StreamError::LastOperationFailed(e4) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v4 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Request to flush buffered output, and block until flush completes + /// and stream is ready for writing again. + pub fn blocking_flush(&self) -> Result<(), StreamError> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.blocking-flush"] + fn wit_import(_: i32, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l2 = i32::from(*ptr0.add(4).cast::()); + let v4 = match l2 { + 0 => { + let e4 = { + let l3 = *ptr0.add(8).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l3 as u32, + ) + }; + StreamError::LastOperationFailed(e4) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v4 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Create a `pollable` which will resolve once the output-stream + /// is ready for more writing, or an error has occurred. When this + /// pollable is ready, `check-write` will return `ok(n)` with n>0, or an + /// error. + /// + /// If the stream is closed, this pollable is always ready immediately. + /// + /// The created `pollable` is a child resource of the `output-stream`. + /// Implementations may trap if the `output-stream` is dropped before + /// all derived `pollable`s created with this function are dropped. + pub fn subscribe(&self) -> Pollable { + unsafe { + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.subscribe"] + fn wit_import(_: i32) -> i32; + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32) -> i32 { + unreachable!() + } + let ret = wit_import((self).handle() as i32); + super::super::super::wasi::io::poll::Pollable::from_handle( + ret as u32, + ) + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Write zeroes to a stream. + /// + /// This should be used precisely like `write` with the exact same + /// preconditions (must use check-write first), but instead of + /// passing a list of bytes, you simply pass the number of zero-bytes + /// that should be written. + pub fn write_zeroes(&self, len: u64) -> Result<(), StreamError> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.write-zeroes"] + fn wit_import(_: i32, _: i64, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i64, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, _rt::as_i64(&len), ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l2 = i32::from(*ptr0.add(4).cast::()); + let v4 = match l2 { + 0 => { + let e4 = { + let l3 = *ptr0.add(8).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l3 as u32, + ) + }; + StreamError::LastOperationFailed(e4) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v4 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Perform a write of up to 4096 zeroes, and then flush the stream. + /// Block until all of these operations are complete, or an error + /// occurs. + /// + /// This is a convenience wrapper around the use of `check-write`, + /// `subscribe`, `write-zeroes`, and `flush`, and is implemented with + /// the following pseudo-code: + /// + /// ```text + /// let pollable = this.subscribe(); + /// while num_zeroes != 0 { + /// // Wait for the stream to become writable + /// pollable.block(); + /// let Ok(n) = this.check-write(); // eliding error handling + /// let len = min(n, num_zeroes); + /// this.write-zeroes(len); // eliding error handling + /// num_zeroes -= len; + /// } + /// this.flush(); + /// // Wait for completion of `flush` + /// pollable.block(); + /// // Check for any errors that arose during `flush` + /// let _ = this.check-write(); // eliding error handling + /// ``` + pub fn blocking_write_zeroes_and_flush( + &self, + len: u64, + ) -> Result<(), StreamError> { + unsafe { + #[repr(align(4))] + struct RetArea([::core::mem::MaybeUninit; 12]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 12], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.blocking-write-zeroes-and-flush"] + fn wit_import(_: i32, _: i64, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i64, _: *mut u8) { + unreachable!() + } + wit_import((self).handle() as i32, _rt::as_i64(&len), ptr0); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = (); + Ok(e) + } + 1 => { + let e = { + let l2 = i32::from(*ptr0.add(4).cast::()); + let v4 = match l2 { + 0 => { + let e4 = { + let l3 = *ptr0.add(8).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l3 as u32, + ) + }; + StreamError::LastOperationFailed(e4) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v4 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Read from one stream and write to another. + /// + /// The behavior of splice is equivalent to: + /// 1. calling `check-write` on the `output-stream` + /// 2. calling `read` on the `input-stream` with the smaller of the + /// `check-write` permitted length and the `len` provided to `splice` + /// 3. calling `write` on the `output-stream` with that read data. + /// + /// Any error reported by the call to `check-write`, `read`, or + /// `write` ends the splice and reports that error. + /// + /// This function returns the number of bytes transferred; it may be less + /// than `len`. + pub fn splice( + &self, + src: &InputStream, + len: u64, + ) -> Result { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.splice"] + fn wit_import(_: i32, _: i32, _: i64, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32, _: i64, _: *mut u8) { + unreachable!() + } + wit_import( + (self).handle() as i32, + (src).handle() as i32, + _rt::as_i64(&len), + ptr0, + ); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(8).cast::(); + l2 as u64 + }; + Ok(e) + } + 1 => { + let e = { + let l3 = i32::from(*ptr0.add(8).cast::()); + let v5 = match l3 { + 0 => { + let e5 = { + let l4 = *ptr0.add(12).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l4 as u32, + ) + }; + StreamError::LastOperationFailed(e5) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v5 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + impl OutputStream { + #[allow(unused_unsafe, clippy::all)] + /// Read from one stream and write to another, with blocking. + /// + /// This is similar to `splice`, except that it blocks until the + /// `output-stream` is ready for writing, and the `input-stream` + /// is ready for reading, before performing the `splice`. + pub fn blocking_splice( + &self, + src: &InputStream, + len: u64, + ) -> Result { + unsafe { + #[repr(align(8))] + struct RetArea([::core::mem::MaybeUninit; 16]); + let mut ret_area = RetArea( + [::core::mem::MaybeUninit::uninit(); 16], + ); + let ptr0 = ret_area.0.as_mut_ptr().cast::(); + #[cfg(target_arch = "wasm32")] + #[link(wasm_import_module = "wasi:io/streams@0.2.3")] + extern "C" { + #[link_name = "[method]output-stream.blocking-splice"] + fn wit_import(_: i32, _: i32, _: i64, _: *mut u8); + } + #[cfg(not(target_arch = "wasm32"))] + fn wit_import(_: i32, _: i32, _: i64, _: *mut u8) { + unreachable!() + } + wit_import( + (self).handle() as i32, + (src).handle() as i32, + _rt::as_i64(&len), + ptr0, + ); + let l1 = i32::from(*ptr0.add(0).cast::()); + match l1 { + 0 => { + let e = { + let l2 = *ptr0.add(8).cast::(); + l2 as u64 + }; + Ok(e) + } + 1 => { + let e = { + let l3 = i32::from(*ptr0.add(8).cast::()); + let v5 = match l3 { + 0 => { + let e5 = { + let l4 = *ptr0.add(12).cast::(); + super::super::super::wasi::io::error::Error::from_handle( + l4 as u32, + ) + }; + StreamError::LastOperationFailed(e5) + } + n => { + debug_assert_eq!(n, 1, "invalid enum discriminant"); + StreamError::Closed + } + }; + v5 + }; + Err(e) + } + _ => _rt::invalid_enum_discriminant(), + } + } + } + } + } + } +} +#[allow(dead_code)] +pub mod exports { + #[allow(dead_code)] + pub mod wasi { + #[allow(dead_code)] + pub mod http { + #[allow(dead_code, clippy::all)] + pub mod incoming_handler { + #[used] + #[doc(hidden)] + static __FORCE_SECTION_REF: fn() = super::super::super::super::__link_custom_section_describing_imports; + use super::super::super::super::_rt; + pub type IncomingRequest = super::super::super::super::wasi::http::types::IncomingRequest; + pub type ResponseOutparam = super::super::super::super::wasi::http::types::ResponseOutparam; + #[doc(hidden)] + #[allow(non_snake_case)] + pub unsafe fn _export_handle_cabi(arg0: i32, arg1: i32) { + #[cfg(target_arch = "wasm32")] _rt::run_ctors_once(); + T::handle( + super::super::super::super::wasi::http::types::IncomingRequest::from_handle( + arg0 as u32, + ), + super::super::super::super::wasi::http::types::ResponseOutparam::from_handle( + arg1 as u32, + ), + ); + } + pub trait Guest { + /// This function is invoked with an incoming HTTP Request, and a resource + /// `response-outparam` which provides the capability to reply with an HTTP + /// Response. The response is sent by calling the `response-outparam.set` + /// method, which allows execution to continue after the response has been + /// sent. This enables both streaming to the response body, and performing other + /// work. + /// + /// The implementor of this function must write a response to the + /// `response-outparam` before returning, or else the caller will respond + /// with an error on its behalf. + fn handle(request: IncomingRequest, response_out: ResponseOutparam); + } + #[doc(hidden)] + macro_rules! __export_wasi_http_incoming_handler_0_2_3_cabi { + ($ty:ident with_types_in $($path_to_types:tt)*) => { + const _ : () = { #[export_name = + "wasi:http/incoming-handler@0.2.3#handle"] unsafe extern "C" fn + export_handle(arg0 : i32, arg1 : i32,) { $($path_to_types)*:: + _export_handle_cabi::<$ty > (arg0, arg1) } }; + }; + } + #[doc(hidden)] + pub(crate) use __export_wasi_http_incoming_handler_0_2_3_cabi; + } + } + } +} +mod _rt { + use core::fmt; + use core::marker; + use core::sync::atomic::{AtomicU32, Ordering::Relaxed}; + /// A type which represents a component model resource, either imported or + /// exported into this component. + /// + /// This is a low-level wrapper which handles the lifetime of the resource + /// (namely this has a destructor). The `T` provided defines the component model + /// intrinsics that this wrapper uses. + /// + /// One of the chief purposes of this type is to provide `Deref` implementations + /// to access the underlying data when it is owned. + /// + /// This type is primarily used in generated code for exported and imported + /// resources. + #[repr(transparent)] + pub struct Resource { + handle: AtomicU32, + _marker: marker::PhantomData, + } + /// A trait which all wasm resources implement, namely providing the ability to + /// drop a resource. + /// + /// This generally is implemented by generated code, not user-facing code. + #[allow(clippy::missing_safety_doc)] + pub unsafe trait WasmResource { + /// Invokes the `[resource-drop]...` intrinsic. + unsafe fn drop(handle: u32); + } + impl Resource { + #[doc(hidden)] + pub unsafe fn from_handle(handle: u32) -> Self { + debug_assert!(handle != u32::MAX); + Self { + handle: AtomicU32::new(handle), + _marker: marker::PhantomData, + } + } + /// Takes ownership of the handle owned by `resource`. + /// + /// Note that this ideally would be `into_handle` taking `Resource` by + /// ownership. The code generator does not enable that in all situations, + /// unfortunately, so this is provided instead. + /// + /// Also note that `take_handle` is in theory only ever called on values + /// owned by a generated function. For example a generated function might + /// take `Resource` as an argument but then call `take_handle` on a + /// reference to that argument. In that sense the dynamic nature of + /// `take_handle` should only be exposed internally to generated code, not + /// to user code. + #[doc(hidden)] + pub fn take_handle(resource: &Resource) -> u32 { + resource.handle.swap(u32::MAX, Relaxed) + } + #[doc(hidden)] + pub fn handle(resource: &Resource) -> u32 { + resource.handle.load(Relaxed) + } + } + impl fmt::Debug for Resource { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + f.debug_struct("Resource").field("handle", &self.handle).finish() + } + } + impl Drop for Resource { + fn drop(&mut self) { + unsafe { + match self.handle.load(Relaxed) { + u32::MAX => {} + other => T::drop(other), + } + } + } + } + pub unsafe fn bool_lift(val: u8) -> bool { + if cfg!(debug_assertions) { + match val { + 0 => false, + 1 => true, + _ => panic!("invalid bool discriminant"), + } + } else { + val != 0 + } + } + pub use alloc_crate::vec::Vec; + pub use alloc_crate::alloc; + pub fn as_i64(t: T) -> i64 { + t.as_i64() + } + pub trait AsI64 { + fn as_i64(self) -> i64; + } + impl<'a, T: Copy + AsI64> AsI64 for &'a T { + fn as_i64(self) -> i64 { + (*self).as_i64() + } + } + impl AsI64 for i64 { + #[inline] + fn as_i64(self) -> i64 { + self as i64 + } + } + impl AsI64 for u64 { + #[inline] + fn as_i64(self) -> i64 { + self as i64 + } + } + pub use alloc_crate::string::String; + pub unsafe fn string_lift(bytes: Vec) -> String { + if cfg!(debug_assertions) { + String::from_utf8(bytes).unwrap() + } else { + String::from_utf8_unchecked(bytes) + } + } + pub unsafe fn invalid_enum_discriminant() -> T { + if cfg!(debug_assertions) { + panic!("invalid enum discriminant") + } else { + core::hint::unreachable_unchecked() + } + } + pub unsafe fn cabi_dealloc(ptr: *mut u8, size: usize, align: usize) { + if size == 0 { + return; + } + let layout = alloc::Layout::from_size_align_unchecked(size, align); + alloc::dealloc(ptr, layout); + } + pub fn as_i32(t: T) -> i32 { + t.as_i32() + } + pub trait AsI32 { + fn as_i32(self) -> i32; + } + impl<'a, T: Copy + AsI32> AsI32 for &'a T { + fn as_i32(self) -> i32 { + (*self).as_i32() + } + } + impl AsI32 for i32 { + #[inline] + fn as_i32(self) -> i32 { + self as i32 + } + } + impl AsI32 for u32 { + #[inline] + fn as_i32(self) -> i32 { + self as i32 + } + } + impl AsI32 for i16 { + #[inline] + fn as_i32(self) -> i32 { + self as i32 + } + } + impl AsI32 for u16 { + #[inline] + fn as_i32(self) -> i32 { + self as i32 + } + } + impl AsI32 for i8 { + #[inline] + fn as_i32(self) -> i32 { + self as i32 + } + } + impl AsI32 for u8 { + #[inline] + fn as_i32(self) -> i32 { + self as i32 + } + } + impl AsI32 for char { + #[inline] + fn as_i32(self) -> i32 { + self as i32 + } + } + impl AsI32 for usize { + #[inline] + fn as_i32(self) -> i32 { + self as i32 + } + } + #[cfg(target_arch = "wasm32")] + pub fn run_ctors_once() { + wit_bindgen_rt::run_ctors_once(); + } + extern crate alloc as alloc_crate; +} +/// Generates `#[no_mangle]` functions to export the specified type as the +/// root implementation of all generated traits. +/// +/// For more information see the documentation of `wit_bindgen::generate!`. +/// +/// ```rust +/// # macro_rules! export{ ($($t:tt)*) => (); } +/// # trait Guest {} +/// struct MyType; +/// +/// impl Guest for MyType { +/// // ... +/// } +/// +/// export!(MyType); +/// ``` +#[allow(unused_macros)] +#[doc(hidden)] +macro_rules! __export_api_impl { + ($ty:ident) => { + self::export!($ty with_types_in self); + }; + ($ty:ident with_types_in $($path_to_types_root:tt)*) => { + $($path_to_types_root)*:: + exports::wasi::http::incoming_handler::__export_wasi_http_incoming_handler_0_2_3_cabi!($ty + with_types_in $($path_to_types_root)*:: exports::wasi::http::incoming_handler); + }; +} +#[doc(inline)] +pub(crate) use __export_api_impl as export; +#[cfg(target_arch = "wasm32")] +#[link_section = "component-type:wit-bindgen:0.35.0:golem:handler:api:encoded world"] +#[doc(hidden)] +pub static __WIT_BINDGEN_COMPONENT_TYPE: [u8; 6330] = *b"\ 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+\x02\x0dwit-component\x070.220.0\x10wit-bindgen-rust\x060.35.0"; +#[inline(never)] +#[doc(hidden)] +pub fn __link_custom_section_describing_imports() { + wit_bindgen_rt::maybe_link_cabi_realloc(); +} diff --git a/test-components/wasi-http-incoming-request-handler-state/src/lib.rs b/test-components/wasi-http-incoming-request-handler-state/src/lib.rs new file mode 100644 index 0000000000..6c06a26c9c --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/src/lib.rs @@ -0,0 +1,73 @@ +mod bindings; + +use std::sync::{LazyLock, Mutex}; + +pub use bindings::wasi::http::types::{ + Fields, IncomingRequest, OutgoingBody, OutgoingResponse, ResponseOutparam, +}; +use self::bindings::wasi::http::types::{IncomingBody, Method}; + +struct State { + last: u64, +} + +static STATE: LazyLock> = LazyLock::new(|| Mutex::new(State { last: 0 })); + +struct Component; + +impl bindings::exports::wasi::http::incoming_handler::Guest for Component { + fn handle(request: IncomingRequest, outparam: ResponseOutparam) { + match request.method() { + Method::Get => { + let current = STATE.lock().unwrap().last; + + let headers = Fields::new(); + let resp = OutgoingResponse::new(headers); + resp.set_status_code(200).unwrap(); + let body = resp.body().unwrap(); + { + let out = body.write().unwrap(); + out.blocking_write_and_flush(¤t.to_string().into_bytes()).unwrap(); + drop(out); + } + + OutgoingBody::finish(body, None).unwrap(); + ResponseOutparam::set(outparam, Ok(resp)); + }, + Method::Put => { + let mut incoming_body_data: Vec = Vec::new(); + { + let incoming_body: IncomingBody = request.consume().unwrap(); + let incoming_body_stream = incoming_body.stream().unwrap(); + loop { + let item = match incoming_body_stream.blocking_read(1024) { + Ok(x) => x, + Err(_) => break, + }; + if item.is_empty() { + break; + } + for i in item.into_iter() { + incoming_body_data.push(i); + } + } + drop(incoming_body_stream); + IncomingBody::finish(incoming_body); + } + let body_string = String::from_utf8(incoming_body_data).unwrap(); + println!("{}", body_string); + let body_number: u64 = body_string.trim().parse().unwrap(); + + STATE.lock().unwrap().last = body_number; + + let headers = Fields::new(); + let resp = OutgoingResponse::new(headers); + resp.set_status_code(200).unwrap(); + ResponseOutparam::set(outparam, Ok(resp)); + }, + _ => panic!("unsupported method") + } + } +} + +bindings::export!(Component with_types_in bindings); diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps.lock b/test-components/wasi-http-incoming-request-handler-state/wit/deps.lock new file mode 100644 index 0000000000..b97967bf09 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps.lock @@ -0,0 +1,29 @@ +[cli] +sha256 = "4dadd13d55aaf626833d1f4b9c34a17b0f04e993babd09552b785cda3b95ea76" +sha512 = "898dcc4e8c15d18acc6b88dbe232336fa4d19019430a910dbc9e7aeaace3077a164af3be9f002de6e7e65ef693df340801ac0c7e421e9a746bf1b6d698a90835" + +[clocks] +sha256 = "93a701968a7dd3c5d69031bc0601681c468972fdf7e28a93bb6150a67d6ebe8b" +sha512 = "98fca567c7a01887b0fb38981f1772169b6ea8de475b546508f8b86738d84e44ba95cae81def40ac34e8809f5f60e85224077ab8cb6d6d5d6296acc1df73c159" + +[filesystem] +sha256 = "69d42fb10a04a33545b17e055f13db9b1e10e82ba0ed5bdb52334e40dc07c679" +sha512 = "612effbac6f4804fe0c29dae20b78bbba59e52cb754c15402f5fe229c3153a221e0fbdff1d9d00ceaa3fe049c6a95523a5b99f772f1c16d972eade2c88326a30" + +[http] +url = "https://github.com/WebAssembly/wasi-http/archive/v0.2.3.tar.gz" +sha256 = "72d3a00dbf39eed40a134e8b1dee85834961153f9d205ee4dd56657270c084ce" +sha512 = "636150c464c0eb3d60bd212fc5d4012638c8cd4f89b583b87a38154ef99de828aac4296ac13c5cface10ee61e164fcfc43a5c104f916229dfdf49c0d11047677" +deps = ["cli", "clocks", "filesystem", "io", "random", "sockets"] + +[io] +sha256 = "1cccbfe4122686ea57a25cd368e8cdfc408cbcad089f47fb6685b6f92e96f050" +sha512 = "7a95f964c13da52611141acd89bc8876226497f128e99dd176a4270c5b5efbd8cc847b5fbd1a91258d028c646db99e0424d72590cf1caf20f9f3a3343fad5017" + +[random] +sha256 = "dd0c91e7125172eb8fd4568e15ad9fc7305643015e6ece4396c3cc5e8c2bf79a" +sha512 = "d1ca2e7b0616a94a3b39d1b9450bb3fb595b01fd94a8626ad75433038dde40988ecb41ab93a374d569ab72163af3b30038d7bfc3499b9c07193181f4f1d9292a" + +[sockets] +sha256 = "2bc0f65a8046207ee3330ad7d63f6fafeafd4cc0ea4084f081bd5e4f7b177e74" +sha512 = "3e5490e41547dffa78d52631825d93da8d60f4af0246cbaf97e1ecb879285953a86d5f1f390b10c32f91dd7eaec6f43e625a26b1c92c32a0c86fde428aedaaab" diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps.toml b/test-components/wasi-http-incoming-request-handler-state/wit/deps.toml new file mode 100644 index 0000000000..64ca58191a --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps.toml @@ -0,0 +1 @@ +http = "https://github.com/WebAssembly/wasi-http/archive/v0.2.3.tar.gz" diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/command.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/command.wit new file mode 100644 index 0000000000..3a81766d64 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/command.wit @@ -0,0 +1,10 @@ +package wasi:cli@0.2.3; + +@since(version = 0.2.0) +world command { + @since(version = 0.2.0) + include imports; + + @since(version = 0.2.0) + export run; +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/environment.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/environment.wit new file mode 100644 index 0000000000..2f449bd7c1 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/environment.wit @@ -0,0 +1,22 @@ +@since(version = 0.2.0) +interface environment { + /// Get the POSIX-style environment variables. + /// + /// Each environment variable is provided as a pair of string variable names + /// and string value. + /// + /// Morally, these are a value import, but until value imports are available + /// in the component model, this import function should return the same + /// values each time it is called. + @since(version = 0.2.0) + get-environment: func() -> list>; + + /// Get the POSIX-style arguments to the program. + @since(version = 0.2.0) + get-arguments: func() -> list; + + /// Return a path that programs should use as their initial current working + /// directory, interpreting `.` as shorthand for this. + @since(version = 0.2.0) + initial-cwd: func() -> option; +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/exit.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/exit.wit new file mode 100644 index 0000000000..427935c8d0 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/exit.wit @@ -0,0 +1,17 @@ +@since(version = 0.2.0) +interface exit { + /// Exit the current instance and any linked instances. + @since(version = 0.2.0) + exit: func(status: result); + + /// Exit the current instance and any linked instances, reporting the + /// specified status code to the host. + /// + /// The meaning of the code depends on the context, with 0 usually meaning + /// "success", and other values indicating various types of failure. + /// + /// This function does not return; the effect is analogous to a trap, but + /// without the connotation that something bad has happened. + @unstable(feature = cli-exit-with-code) + exit-with-code: func(status-code: u8); +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/imports.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/imports.wit new file mode 100644 index 0000000000..8b4e3975ec --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/imports.wit @@ -0,0 +1,36 @@ +package wasi:cli@0.2.3; + +@since(version = 0.2.0) +world imports { + @since(version = 0.2.0) + include wasi:clocks/imports@0.2.3; + @since(version = 0.2.0) + include wasi:filesystem/imports@0.2.3; + @since(version = 0.2.0) + include wasi:sockets/imports@0.2.3; + @since(version = 0.2.0) + include wasi:random/imports@0.2.3; + @since(version = 0.2.0) + include wasi:io/imports@0.2.3; + + @since(version = 0.2.0) + import environment; + @since(version = 0.2.0) + import exit; + @since(version = 0.2.0) + import stdin; + @since(version = 0.2.0) + import stdout; + @since(version = 0.2.0) + import stderr; + @since(version = 0.2.0) + import terminal-input; + @since(version = 0.2.0) + import terminal-output; + @since(version = 0.2.0) + import terminal-stdin; + @since(version = 0.2.0) + import terminal-stdout; + @since(version = 0.2.0) + import terminal-stderr; +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/run.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/run.wit new file mode 100644 index 0000000000..655346efb6 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/run.wit @@ -0,0 +1,6 @@ +@since(version = 0.2.0) +interface run { + /// Run the program. + @since(version = 0.2.0) + run: func() -> result; +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/stdio.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/stdio.wit new file mode 100644 index 0000000000..1b54f5318a --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/stdio.wit @@ -0,0 +1,26 @@ +@since(version = 0.2.0) +interface stdin { + @since(version = 0.2.0) + use wasi:io/streams@0.2.3.{input-stream}; + + @since(version = 0.2.0) + get-stdin: func() -> input-stream; +} + +@since(version = 0.2.0) +interface stdout { + @since(version = 0.2.0) + use wasi:io/streams@0.2.3.{output-stream}; + + @since(version = 0.2.0) + get-stdout: func() -> output-stream; +} + +@since(version = 0.2.0) +interface stderr { + @since(version = 0.2.0) + use wasi:io/streams@0.2.3.{output-stream}; + + @since(version = 0.2.0) + get-stderr: func() -> output-stream; +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/terminal.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/terminal.wit new file mode 100644 index 0000000000..d305498c64 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/cli/terminal.wit @@ -0,0 +1,62 @@ +/// Terminal input. +/// +/// In the future, this may include functions for disabling echoing, +/// disabling input buffering so that keyboard events are sent through +/// immediately, querying supported features, and so on. +@since(version = 0.2.0) +interface terminal-input { + /// The input side of a terminal. + @since(version = 0.2.0) + resource terminal-input; +} + +/// Terminal output. +/// +/// In the future, this may include functions for querying the terminal +/// size, being notified of terminal size changes, querying supported +/// features, and so on. +@since(version = 0.2.0) +interface terminal-output { + /// The output side of a terminal. + @since(version = 0.2.0) + resource terminal-output; +} + +/// An interface providing an optional `terminal-input` for stdin as a +/// link-time authority. +@since(version = 0.2.0) +interface terminal-stdin { + @since(version = 0.2.0) + use terminal-input.{terminal-input}; + + /// If stdin is connected to a terminal, return a `terminal-input` handle + /// allowing further interaction with it. + @since(version = 0.2.0) + get-terminal-stdin: func() -> option; +} + +/// An interface providing an optional `terminal-output` for stdout as a +/// link-time authority. +@since(version = 0.2.0) +interface terminal-stdout { + @since(version = 0.2.0) + use terminal-output.{terminal-output}; + + /// If stdout is connected to a terminal, return a `terminal-output` handle + /// allowing further interaction with it. + @since(version = 0.2.0) + get-terminal-stdout: func() -> option; +} + +/// An interface providing an optional `terminal-output` for stderr as a +/// link-time authority. +@since(version = 0.2.0) +interface terminal-stderr { + @since(version = 0.2.0) + use terminal-output.{terminal-output}; + + /// If stderr is connected to a terminal, return a `terminal-output` handle + /// allowing further interaction with it. + @since(version = 0.2.0) + get-terminal-stderr: func() -> option; +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/clocks/monotonic-clock.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/clocks/monotonic-clock.wit new file mode 100644 index 0000000000..c676fb84d8 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/clocks/monotonic-clock.wit @@ -0,0 +1,50 @@ +package wasi:clocks@0.2.3; +/// WASI Monotonic Clock is a clock API intended to let users measure elapsed +/// time. +/// +/// It is intended to be portable at least between Unix-family platforms and +/// Windows. +/// +/// A monotonic clock is a clock which has an unspecified initial value, and +/// successive reads of the clock will produce non-decreasing values. +@since(version = 0.2.0) +interface monotonic-clock { + @since(version = 0.2.0) + use wasi:io/poll@0.2.3.{pollable}; + + /// An instant in time, in nanoseconds. An instant is relative to an + /// unspecified initial value, and can only be compared to instances from + /// the same monotonic-clock. + @since(version = 0.2.0) + type instant = u64; + + /// A duration of time, in nanoseconds. + @since(version = 0.2.0) + type duration = u64; + + /// Read the current value of the clock. + /// + /// The clock is monotonic, therefore calling this function repeatedly will + /// produce a sequence of non-decreasing values. + @since(version = 0.2.0) + now: func() -> instant; + + /// Query the resolution of the clock. Returns the duration of time + /// corresponding to a clock tick. + @since(version = 0.2.0) + resolution: func() -> duration; + + /// Create a `pollable` which will resolve once the specified instant + /// has occurred. + @since(version = 0.2.0) + subscribe-instant: func( + when: instant, + ) -> pollable; + + /// Create a `pollable` that will resolve after the specified duration has + /// elapsed from the time this function is invoked. + @since(version = 0.2.0) + subscribe-duration: func( + when: duration, + ) -> pollable; +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/clocks/timezone.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/clocks/timezone.wit new file mode 100644 index 0000000000..b43e93b233 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/clocks/timezone.wit @@ -0,0 +1,55 @@ +package wasi:clocks@0.2.3; + +@unstable(feature = clocks-timezone) +interface timezone { + @unstable(feature = clocks-timezone) + use wall-clock.{datetime}; + + /// Return information needed to display the given `datetime`. This includes + /// the UTC offset, the time zone name, and a flag indicating whether + /// daylight saving time is active. + /// + /// If the timezone cannot be determined for the given `datetime`, return a + /// `timezone-display` for `UTC` with a `utc-offset` of 0 and no daylight + /// saving time. + @unstable(feature = clocks-timezone) + display: func(when: datetime) -> timezone-display; + + /// The same as `display`, but only return the UTC offset. + @unstable(feature = clocks-timezone) + utc-offset: func(when: datetime) -> s32; + + /// Information useful for displaying the timezone of a specific `datetime`. + /// + /// This information may vary within a single `timezone` to reflect daylight + /// saving time adjustments. + @unstable(feature = clocks-timezone) + record timezone-display { + /// The number of seconds difference between UTC time and the local + /// time of the timezone. + /// + /// The returned value will always be less than 86400 which is the + /// number of seconds in a day (24*60*60). + /// + /// In implementations that do not expose an actual time zone, this + /// should return 0. + utc-offset: s32, + + /// The abbreviated name of the timezone to display to a user. The name + /// `UTC` indicates Coordinated Universal Time. Otherwise, this should + /// reference local standards for the name of the time zone. + /// + /// In implementations that do not expose an actual time zone, this + /// should be the string `UTC`. + /// + /// In time zones that do not have an applicable name, a formatted + /// representation of the UTC offset may be returned, such as `-04:00`. + name: string, + + /// Whether daylight saving time is active. + /// + /// In implementations that do not expose an actual time zone, this + /// should return false. + in-daylight-saving-time: bool, + } +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/clocks/wall-clock.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/clocks/wall-clock.wit new file mode 100644 index 0000000000..e00ce08933 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/clocks/wall-clock.wit @@ -0,0 +1,46 @@ +package wasi:clocks@0.2.3; +/// WASI Wall Clock is a clock API intended to let users query the current +/// time. The name "wall" makes an analogy to a "clock on the wall", which +/// is not necessarily monotonic as it may be reset. +/// +/// It is intended to be portable at least between Unix-family platforms and +/// Windows. +/// +/// A wall clock is a clock which measures the date and time according to +/// some external reference. +/// +/// External references may be reset, so this clock is not necessarily +/// monotonic, making it unsuitable for measuring elapsed time. +/// +/// It is intended for reporting the current date and time for humans. +@since(version = 0.2.0) +interface wall-clock { + /// A time and date in seconds plus nanoseconds. + @since(version = 0.2.0) + record datetime { + seconds: u64, + nanoseconds: u32, + } + + /// Read the current value of the clock. + /// + /// This clock is not monotonic, therefore calling this function repeatedly + /// will not necessarily produce a sequence of non-decreasing values. + /// + /// The returned timestamps represent the number of seconds since + /// 1970-01-01T00:00:00Z, also known as [POSIX's Seconds Since the Epoch], + /// also known as [Unix Time]. + /// + /// The nanoseconds field of the output is always less than 1000000000. + /// + /// [POSIX's Seconds Since the Epoch]: https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_xbd_chap04.html#tag_21_04_16 + /// [Unix Time]: https://en.wikipedia.org/wiki/Unix_time + @since(version = 0.2.0) + now: func() -> datetime; + + /// Query the resolution of the clock. + /// + /// The nanoseconds field of the output is always less than 1000000000. + @since(version = 0.2.0) + resolution: func() -> datetime; +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/clocks/world.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/clocks/world.wit new file mode 100644 index 0000000000..05f04f797d --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/clocks/world.wit @@ -0,0 +1,11 @@ +package wasi:clocks@0.2.3; + +@since(version = 0.2.0) +world imports { + @since(version = 0.2.0) + import monotonic-clock; + @since(version = 0.2.0) + import wall-clock; + @unstable(feature = clocks-timezone) + import timezone; +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/filesystem/preopens.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/filesystem/preopens.wit new file mode 100644 index 0000000000..cea97495b5 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/filesystem/preopens.wit @@ -0,0 +1,11 @@ +package wasi:filesystem@0.2.3; + +@since(version = 0.2.0) +interface preopens { + @since(version = 0.2.0) + use types.{descriptor}; + + /// Return the set of preopened directories, and their paths. + @since(version = 0.2.0) + get-directories: func() -> list>; +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/filesystem/types.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/filesystem/types.wit new file mode 100644 index 0000000000..d229a21f48 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/filesystem/types.wit @@ -0,0 +1,672 @@ +package wasi:filesystem@0.2.3; +/// WASI filesystem is a filesystem API primarily intended to let users run WASI +/// programs that access their files on their existing filesystems, without +/// significant overhead. +/// +/// It is intended to be roughly portable between Unix-family platforms and +/// Windows, though it does not hide many of the major differences. +/// +/// Paths are passed as interface-type `string`s, meaning they must consist of +/// a sequence of Unicode Scalar Values (USVs). Some filesystems may contain +/// paths which are not accessible by this API. +/// +/// The directory separator in WASI is always the forward-slash (`/`). +/// +/// All paths in WASI are relative paths, and are interpreted relative to a +/// `descriptor` referring to a base directory. If a `path` argument to any WASI +/// function starts with `/`, or if any step of resolving a `path`, including +/// `..` and symbolic link steps, reaches a directory outside of the base +/// directory, or reaches a symlink to an absolute or rooted path in the +/// underlying filesystem, the function fails with `error-code::not-permitted`. +/// +/// For more information about WASI path resolution and sandboxing, see +/// [WASI filesystem path resolution]. +/// +/// [WASI filesystem path resolution]: https://github.com/WebAssembly/wasi-filesystem/blob/main/path-resolution.md +@since(version = 0.2.0) +interface types { + @since(version = 0.2.0) + use wasi:io/streams@0.2.3.{input-stream, output-stream, error}; + @since(version = 0.2.0) + use wasi:clocks/wall-clock@0.2.3.{datetime}; + + /// File size or length of a region within a file. + @since(version = 0.2.0) + type filesize = u64; + + /// The type of a filesystem object referenced by a descriptor. + /// + /// Note: This was called `filetype` in earlier versions of WASI. + @since(version = 0.2.0) + enum descriptor-type { + /// The type of the descriptor or file is unknown or is different from + /// any of the other types specified. + unknown, + /// The descriptor refers to a block device inode. + block-device, + /// The descriptor refers to a character device inode. + character-device, + /// The descriptor refers to a directory inode. + directory, + /// The descriptor refers to a named pipe. + fifo, + /// The file refers to a symbolic link inode. + symbolic-link, + /// The descriptor refers to a regular file inode. + regular-file, + /// The descriptor refers to a socket. + socket, + } + + /// Descriptor flags. + /// + /// Note: This was called `fdflags` in earlier versions of WASI. + @since(version = 0.2.0) + flags descriptor-flags { + /// Read mode: Data can be read. + read, + /// Write mode: Data can be written to. + write, + /// Request that writes be performed according to synchronized I/O file + /// integrity completion. The data stored in the file and the file's + /// metadata are synchronized. This is similar to `O_SYNC` in POSIX. + /// + /// The precise semantics of this operation have not yet been defined for + /// WASI. At this time, it should be interpreted as a request, and not a + /// requirement. + file-integrity-sync, + /// Request that writes be performed according to synchronized I/O data + /// integrity completion. Only the data stored in the file is + /// synchronized. This is similar to `O_DSYNC` in POSIX. + /// + /// The precise semantics of this operation have not yet been defined for + /// WASI. At this time, it should be interpreted as a request, and not a + /// requirement. + data-integrity-sync, + /// Requests that reads be performed at the same level of integrity + /// requested for writes. This is similar to `O_RSYNC` in POSIX. + /// + /// The precise semantics of this operation have not yet been defined for + /// WASI. At this time, it should be interpreted as a request, and not a + /// requirement. + requested-write-sync, + /// Mutating directories mode: Directory contents may be mutated. + /// + /// When this flag is unset on a descriptor, operations using the + /// descriptor which would create, rename, delete, modify the data or + /// metadata of filesystem objects, or obtain another handle which + /// would permit any of those, shall fail with `error-code::read-only` if + /// they would otherwise succeed. + /// + /// This may only be set on directories. + mutate-directory, + } + + /// File attributes. + /// + /// Note: This was called `filestat` in earlier versions of WASI. + @since(version = 0.2.0) + record descriptor-stat { + /// File type. + %type: descriptor-type, + /// Number of hard links to the file. + link-count: link-count, + /// For regular files, the file size in bytes. For symbolic links, the + /// length in bytes of the pathname contained in the symbolic link. + size: filesize, + /// Last data access timestamp. + /// + /// If the `option` is none, the platform doesn't maintain an access + /// timestamp for this file. + data-access-timestamp: option, + /// Last data modification timestamp. + /// + /// If the `option` is none, the platform doesn't maintain a + /// modification timestamp for this file. + data-modification-timestamp: option, + /// Last file status-change timestamp. + /// + /// If the `option` is none, the platform doesn't maintain a + /// status-change timestamp for this file. + status-change-timestamp: option, + } + + /// Flags determining the method of how paths are resolved. + @since(version = 0.2.0) + flags path-flags { + /// As long as the resolved path corresponds to a symbolic link, it is + /// expanded. + symlink-follow, + } + + /// Open flags used by `open-at`. + @since(version = 0.2.0) + flags open-flags { + /// Create file if it does not exist, similar to `O_CREAT` in POSIX. + create, + /// Fail if not a directory, similar to `O_DIRECTORY` in POSIX. + directory, + /// Fail if file already exists, similar to `O_EXCL` in POSIX. + exclusive, + /// Truncate file to size 0, similar to `O_TRUNC` in POSIX. + truncate, + } + + /// Number of hard links to an inode. + @since(version = 0.2.0) + type link-count = u64; + + /// When setting a timestamp, this gives the value to set it to. + @since(version = 0.2.0) + variant new-timestamp { + /// Leave the timestamp set to its previous value. + no-change, + /// Set the timestamp to the current time of the system clock associated + /// with the filesystem. + now, + /// Set the timestamp to the given value. + timestamp(datetime), + } + + /// A directory entry. + record directory-entry { + /// The type of the file referred to by this directory entry. + %type: descriptor-type, + + /// The name of the object. + name: string, + } + + /// Error codes returned by functions, similar to `errno` in POSIX. + /// Not all of these error codes are returned by the functions provided by this + /// API; some are used in higher-level library layers, and others are provided + /// merely for alignment with POSIX. + enum error-code { + /// Permission denied, similar to `EACCES` in POSIX. + access, + /// Resource unavailable, or operation would block, similar to `EAGAIN` and `EWOULDBLOCK` in POSIX. + would-block, + /// Connection already in progress, similar to `EALREADY` in POSIX. + already, + /// Bad descriptor, similar to `EBADF` in POSIX. + bad-descriptor, + /// Device or resource busy, similar to `EBUSY` in POSIX. + busy, + /// Resource deadlock would occur, similar to `EDEADLK` in POSIX. + deadlock, + /// Storage quota exceeded, similar to `EDQUOT` in POSIX. + quota, + /// File exists, similar to `EEXIST` in POSIX. + exist, + /// File too large, similar to `EFBIG` in POSIX. + file-too-large, + /// Illegal byte sequence, similar to `EILSEQ` in POSIX. + illegal-byte-sequence, + /// Operation in progress, similar to `EINPROGRESS` in POSIX. + in-progress, + /// Interrupted function, similar to `EINTR` in POSIX. + interrupted, + /// Invalid argument, similar to `EINVAL` in POSIX. + invalid, + /// I/O error, similar to `EIO` in POSIX. + io, + /// Is a directory, similar to `EISDIR` in POSIX. + is-directory, + /// Too many levels of symbolic links, similar to `ELOOP` in POSIX. + loop, + /// Too many links, similar to `EMLINK` in POSIX. + too-many-links, + /// Message too large, similar to `EMSGSIZE` in POSIX. + message-size, + /// Filename too long, similar to `ENAMETOOLONG` in POSIX. + name-too-long, + /// No such device, similar to `ENODEV` in POSIX. + no-device, + /// No such file or directory, similar to `ENOENT` in POSIX. + no-entry, + /// No locks available, similar to `ENOLCK` in POSIX. + no-lock, + /// Not enough space, similar to `ENOMEM` in POSIX. + insufficient-memory, + /// No space left on device, similar to `ENOSPC` in POSIX. + insufficient-space, + /// Not a directory or a symbolic link to a directory, similar to `ENOTDIR` in POSIX. + not-directory, + /// Directory not empty, similar to `ENOTEMPTY` in POSIX. + not-empty, + /// State not recoverable, similar to `ENOTRECOVERABLE` in POSIX. + not-recoverable, + /// Not supported, similar to `ENOTSUP` and `ENOSYS` in POSIX. + unsupported, + /// Inappropriate I/O control operation, similar to `ENOTTY` in POSIX. + no-tty, + /// No such device or address, similar to `ENXIO` in POSIX. + no-such-device, + /// Value too large to be stored in data type, similar to `EOVERFLOW` in POSIX. + overflow, + /// Operation not permitted, similar to `EPERM` in POSIX. + not-permitted, + /// Broken pipe, similar to `EPIPE` in POSIX. + pipe, + /// Read-only file system, similar to `EROFS` in POSIX. + read-only, + /// Invalid seek, similar to `ESPIPE` in POSIX. + invalid-seek, + /// Text file busy, similar to `ETXTBSY` in POSIX. + text-file-busy, + /// Cross-device link, similar to `EXDEV` in POSIX. + cross-device, + } + + /// File or memory access pattern advisory information. + @since(version = 0.2.0) + enum advice { + /// The application has no advice to give on its behavior with respect + /// to the specified data. + normal, + /// The application expects to access the specified data sequentially + /// from lower offsets to higher offsets. + sequential, + /// The application expects to access the specified data in a random + /// order. + random, + /// The application expects to access the specified data in the near + /// future. + will-need, + /// The application expects that it will not access the specified data + /// in the near future. + dont-need, + /// The application expects to access the specified data once and then + /// not reuse it thereafter. + no-reuse, + } + + /// A 128-bit hash value, split into parts because wasm doesn't have a + /// 128-bit integer type. + @since(version = 0.2.0) + record metadata-hash-value { + /// 64 bits of a 128-bit hash value. + lower: u64, + /// Another 64 bits of a 128-bit hash value. + upper: u64, + } + + /// A descriptor is a reference to a filesystem object, which may be a file, + /// directory, named pipe, special file, or other object on which filesystem + /// calls may be made. + @since(version = 0.2.0) + resource descriptor { + /// Return a stream for reading from a file, if available. + /// + /// May fail with an error-code describing why the file cannot be read. + /// + /// Multiple read, write, and append streams may be active on the same open + /// file and they do not interfere with each other. + /// + /// Note: This allows using `read-stream`, which is similar to `read` in POSIX. + @since(version = 0.2.0) + read-via-stream: func( + /// The offset within the file at which to start reading. + offset: filesize, + ) -> result; + + /// Return a stream for writing to a file, if available. + /// + /// May fail with an error-code describing why the file cannot be written. + /// + /// Note: This allows using `write-stream`, which is similar to `write` in + /// POSIX. + @since(version = 0.2.0) + write-via-stream: func( + /// The offset within the file at which to start writing. + offset: filesize, + ) -> result; + + /// Return a stream for appending to a file, if available. + /// + /// May fail with an error-code describing why the file cannot be appended. + /// + /// Note: This allows using `write-stream`, which is similar to `write` with + /// `O_APPEND` in POSIX. + @since(version = 0.2.0) + append-via-stream: func() -> result; + + /// Provide file advisory information on a descriptor. + /// + /// This is similar to `posix_fadvise` in POSIX. + @since(version = 0.2.0) + advise: func( + /// The offset within the file to which the advisory applies. + offset: filesize, + /// The length of the region to which the advisory applies. + length: filesize, + /// The advice. + advice: advice + ) -> result<_, error-code>; + + /// Synchronize the data of a file to disk. + /// + /// This function succeeds with no effect if the file descriptor is not + /// opened for writing. + /// + /// Note: This is similar to `fdatasync` in POSIX. + @since(version = 0.2.0) + sync-data: func() -> result<_, error-code>; + + /// Get flags associated with a descriptor. + /// + /// Note: This returns similar flags to `fcntl(fd, F_GETFL)` in POSIX. + /// + /// Note: This returns the value that was the `fs_flags` value returned + /// from `fdstat_get` in earlier versions of WASI. + @since(version = 0.2.0) + get-flags: func() -> result; + + /// Get the dynamic type of a descriptor. + /// + /// Note: This returns the same value as the `type` field of the `fd-stat` + /// returned by `stat`, `stat-at` and similar. + /// + /// Note: This returns similar flags to the `st_mode & S_IFMT` value provided + /// by `fstat` in POSIX. + /// + /// Note: This returns the value that was the `fs_filetype` value returned + /// from `fdstat_get` in earlier versions of WASI. + @since(version = 0.2.0) + get-type: func() -> result; + + /// Adjust the size of an open file. If this increases the file's size, the + /// extra bytes are filled with zeros. + /// + /// Note: This was called `fd_filestat_set_size` in earlier versions of WASI. + @since(version = 0.2.0) + set-size: func(size: filesize) -> result<_, error-code>; + + /// Adjust the timestamps of an open file or directory. + /// + /// Note: This is similar to `futimens` in POSIX. + /// + /// Note: This was called `fd_filestat_set_times` in earlier versions of WASI. + @since(version = 0.2.0) + set-times: func( + /// The desired values of the data access timestamp. + data-access-timestamp: new-timestamp, + /// The desired values of the data modification timestamp. + data-modification-timestamp: new-timestamp, + ) -> result<_, error-code>; + + /// Read from a descriptor, without using and updating the descriptor's offset. + /// + /// This function returns a list of bytes containing the data that was + /// read, along with a bool which, when true, indicates that the end of the + /// file was reached. The returned list will contain up to `length` bytes; it + /// may return fewer than requested, if the end of the file is reached or + /// if the I/O operation is interrupted. + /// + /// In the future, this may change to return a `stream`. + /// + /// Note: This is similar to `pread` in POSIX. + @since(version = 0.2.0) + read: func( + /// The maximum number of bytes to read. + length: filesize, + /// The offset within the file at which to read. + offset: filesize, + ) -> result, bool>, error-code>; + + /// Write to a descriptor, without using and updating the descriptor's offset. + /// + /// It is valid to write past the end of a file; the file is extended to the + /// extent of the write, with bytes between the previous end and the start of + /// the write set to zero. + /// + /// In the future, this may change to take a `stream`. + /// + /// Note: This is similar to `pwrite` in POSIX. + @since(version = 0.2.0) + write: func( + /// Data to write + buffer: list, + /// The offset within the file at which to write. + offset: filesize, + ) -> result; + + /// Read directory entries from a directory. + /// + /// On filesystems where directories contain entries referring to themselves + /// and their parents, often named `.` and `..` respectively, these entries + /// are omitted. + /// + /// This always returns a new stream which starts at the beginning of the + /// directory. Multiple streams may be active on the same directory, and they + /// do not interfere with each other. + @since(version = 0.2.0) + read-directory: func() -> result; + + /// Synchronize the data and metadata of a file to disk. + /// + /// This function succeeds with no effect if the file descriptor is not + /// opened for writing. + /// + /// Note: This is similar to `fsync` in POSIX. + @since(version = 0.2.0) + sync: func() -> result<_, error-code>; + + /// Create a directory. + /// + /// Note: This is similar to `mkdirat` in POSIX. + @since(version = 0.2.0) + create-directory-at: func( + /// The relative path at which to create the directory. + path: string, + ) -> result<_, error-code>; + + /// Return the attributes of an open file or directory. + /// + /// Note: This is similar to `fstat` in POSIX, except that it does not return + /// device and inode information. For testing whether two descriptors refer to + /// the same underlying filesystem object, use `is-same-object`. To obtain + /// additional data that can be used do determine whether a file has been + /// modified, use `metadata-hash`. + /// + /// Note: This was called `fd_filestat_get` in earlier versions of WASI. + @since(version = 0.2.0) + stat: func() -> result; + + /// Return the attributes of a file or directory. + /// + /// Note: This is similar to `fstatat` in POSIX, except that it does not + /// return device and inode information. See the `stat` description for a + /// discussion of alternatives. + /// + /// Note: This was called `path_filestat_get` in earlier versions of WASI. + @since(version = 0.2.0) + stat-at: func( + /// Flags determining the method of how the path is resolved. + path-flags: path-flags, + /// The relative path of the file or directory to inspect. + path: string, + ) -> result; + + /// Adjust the timestamps of a file or directory. + /// + /// Note: This is similar to `utimensat` in POSIX. + /// + /// Note: This was called `path_filestat_set_times` in earlier versions of + /// WASI. + @since(version = 0.2.0) + set-times-at: func( + /// Flags determining the method of how the path is resolved. + path-flags: path-flags, + /// The relative path of the file or directory to operate on. + path: string, + /// The desired values of the data access timestamp. + data-access-timestamp: new-timestamp, + /// The desired values of the data modification timestamp. + data-modification-timestamp: new-timestamp, + ) -> result<_, error-code>; + + /// Create a hard link. + /// + /// Note: This is similar to `linkat` in POSIX. + @since(version = 0.2.0) + link-at: func( + /// Flags determining the method of how the path is resolved. + old-path-flags: path-flags, + /// The relative source path from which to link. + old-path: string, + /// The base directory for `new-path`. + new-descriptor: borrow, + /// The relative destination path at which to create the hard link. + new-path: string, + ) -> result<_, error-code>; + + /// Open a file or directory. + /// + /// If `flags` contains `descriptor-flags::mutate-directory`, and the base + /// descriptor doesn't have `descriptor-flags::mutate-directory` set, + /// `open-at` fails with `error-code::read-only`. + /// + /// If `flags` contains `write` or `mutate-directory`, or `open-flags` + /// contains `truncate` or `create`, and the base descriptor doesn't have + /// `descriptor-flags::mutate-directory` set, `open-at` fails with + /// `error-code::read-only`. + /// + /// Note: This is similar to `openat` in POSIX. + @since(version = 0.2.0) + open-at: func( + /// Flags determining the method of how the path is resolved. + path-flags: path-flags, + /// The relative path of the object to open. + path: string, + /// The method by which to open the file. + open-flags: open-flags, + /// Flags to use for the resulting descriptor. + %flags: descriptor-flags, + ) -> result; + + /// Read the contents of a symbolic link. + /// + /// If the contents contain an absolute or rooted path in the underlying + /// filesystem, this function fails with `error-code::not-permitted`. + /// + /// Note: This is similar to `readlinkat` in POSIX. + @since(version = 0.2.0) + readlink-at: func( + /// The relative path of the symbolic link from which to read. + path: string, + ) -> result; + + /// Remove a directory. + /// + /// Return `error-code::not-empty` if the directory is not empty. + /// + /// Note: This is similar to `unlinkat(fd, path, AT_REMOVEDIR)` in POSIX. + @since(version = 0.2.0) + remove-directory-at: func( + /// The relative path to a directory to remove. + path: string, + ) -> result<_, error-code>; + + /// Rename a filesystem object. + /// + /// Note: This is similar to `renameat` in POSIX. + @since(version = 0.2.0) + rename-at: func( + /// The relative source path of the file or directory to rename. + old-path: string, + /// The base directory for `new-path`. + new-descriptor: borrow, + /// The relative destination path to which to rename the file or directory. + new-path: string, + ) -> result<_, error-code>; + + /// Create a symbolic link (also known as a "symlink"). + /// + /// If `old-path` starts with `/`, the function fails with + /// `error-code::not-permitted`. + /// + /// Note: This is similar to `symlinkat` in POSIX. + @since(version = 0.2.0) + symlink-at: func( + /// The contents of the symbolic link. + old-path: string, + /// The relative destination path at which to create the symbolic link. + new-path: string, + ) -> result<_, error-code>; + + /// Unlink a filesystem object that is not a directory. + /// + /// Return `error-code::is-directory` if the path refers to a directory. + /// Note: This is similar to `unlinkat(fd, path, 0)` in POSIX. + @since(version = 0.2.0) + unlink-file-at: func( + /// The relative path to a file to unlink. + path: string, + ) -> result<_, error-code>; + + /// Test whether two descriptors refer to the same filesystem object. + /// + /// In POSIX, this corresponds to testing whether the two descriptors have the + /// same device (`st_dev`) and inode (`st_ino` or `d_ino`) numbers. + /// wasi-filesystem does not expose device and inode numbers, so this function + /// may be used instead. + @since(version = 0.2.0) + is-same-object: func(other: borrow) -> bool; + + /// Return a hash of the metadata associated with a filesystem object referred + /// to by a descriptor. + /// + /// This returns a hash of the last-modification timestamp and file size, and + /// may also include the inode number, device number, birth timestamp, and + /// other metadata fields that may change when the file is modified or + /// replaced. It may also include a secret value chosen by the + /// implementation and not otherwise exposed. + /// + /// Implementations are encouraged to provide the following properties: + /// + /// - If the file is not modified or replaced, the computed hash value should + /// usually not change. + /// - If the object is modified or replaced, the computed hash value should + /// usually change. + /// - The inputs to the hash should not be easily computable from the + /// computed hash. + /// + /// However, none of these is required. + @since(version = 0.2.0) + metadata-hash: func() -> result; + + /// Return a hash of the metadata associated with a filesystem object referred + /// to by a directory descriptor and a relative path. + /// + /// This performs the same hash computation as `metadata-hash`. + @since(version = 0.2.0) + metadata-hash-at: func( + /// Flags determining the method of how the path is resolved. + path-flags: path-flags, + /// The relative path of the file or directory to inspect. + path: string, + ) -> result; + } + + /// A stream of directory entries. + @since(version = 0.2.0) + resource directory-entry-stream { + /// Read a single directory entry from a `directory-entry-stream`. + @since(version = 0.2.0) + read-directory-entry: func() -> result, error-code>; + } + + /// Attempts to extract a filesystem-related `error-code` from the stream + /// `error` provided. + /// + /// Stream operations which return `stream-error::last-operation-failed` + /// have a payload with more information about the operation that failed. + /// This payload can be passed through to this function to see if there's + /// filesystem-related information about the error to return. + /// + /// Note that this function is fallible because not all stream-related + /// errors are filesystem-related errors. + @since(version = 0.2.0) + filesystem-error-code: func(err: borrow) -> option; +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/filesystem/world.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/filesystem/world.wit new file mode 100644 index 0000000000..29405bc2cc --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/filesystem/world.wit @@ -0,0 +1,9 @@ +package wasi:filesystem@0.2.3; + +@since(version = 0.2.0) +world imports { + @since(version = 0.2.0) + import types; + @since(version = 0.2.0) + import preopens; +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/http/handler.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/http/handler.wit new file mode 100644 index 0000000000..6a6c62966f --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/http/handler.wit @@ -0,0 +1,49 @@ +/// This interface defines a handler of incoming HTTP Requests. It should +/// be exported by components which can respond to HTTP Requests. +@since(version = 0.2.0) +interface incoming-handler { + @since(version = 0.2.0) + use types.{incoming-request, response-outparam}; + + /// This function is invoked with an incoming HTTP Request, and a resource + /// `response-outparam` which provides the capability to reply with an HTTP + /// Response. The response is sent by calling the `response-outparam.set` + /// method, which allows execution to continue after the response has been + /// sent. This enables both streaming to the response body, and performing other + /// work. + /// + /// The implementor of this function must write a response to the + /// `response-outparam` before returning, or else the caller will respond + /// with an error on its behalf. + @since(version = 0.2.0) + handle: func( + request: incoming-request, + response-out: response-outparam + ); +} + +/// This interface defines a handler of outgoing HTTP Requests. It should be +/// imported by components which wish to make HTTP Requests. +@since(version = 0.2.0) +interface outgoing-handler { + @since(version = 0.2.0) + use types.{ + outgoing-request, request-options, future-incoming-response, error-code + }; + + /// This function is invoked with an outgoing HTTP Request, and it returns + /// a resource `future-incoming-response` which represents an HTTP Response + /// which may arrive in the future. + /// + /// The `options` argument accepts optional parameters for the HTTP + /// protocol's transport layer. + /// + /// This function may return an error if the `outgoing-request` is invalid + /// or not allowed to be made. Otherwise, protocol errors are reported + /// through the `future-incoming-response`. + @since(version = 0.2.0) + handle: func( + request: outgoing-request, + options: option + ) -> result; +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/http/proxy.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/http/proxy.wit new file mode 100644 index 0000000000..de3bbe8ae0 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/http/proxy.wit @@ -0,0 +1,50 @@ +package wasi:http@0.2.3; + +/// The `wasi:http/imports` world imports all the APIs for HTTP proxies. +/// It is intended to be `include`d in other worlds. +@since(version = 0.2.0) +world imports { + /// HTTP proxies have access to time and randomness. + @since(version = 0.2.0) + import wasi:clocks/monotonic-clock@0.2.3; + @since(version = 0.2.0) + import wasi:clocks/wall-clock@0.2.3; + @since(version = 0.2.0) + import wasi:random/random@0.2.3; + + /// Proxies have standard output and error streams which are expected to + /// terminate in a developer-facing console provided by the host. + @since(version = 0.2.0) + import wasi:cli/stdout@0.2.3; + @since(version = 0.2.0) + import wasi:cli/stderr@0.2.3; + + /// TODO: this is a temporary workaround until component tooling is able to + /// gracefully handle the absence of stdin. Hosts must return an eof stream + /// for this import, which is what wasi-libc + tooling will do automatically + /// when this import is properly removed. + @since(version = 0.2.0) + import wasi:cli/stdin@0.2.3; + + /// This is the default handler to use when user code simply wants to make an + /// HTTP request (e.g., via `fetch()`). + @since(version = 0.2.0) + import outgoing-handler; +} + +/// The `wasi:http/proxy` world captures a widely-implementable intersection of +/// hosts that includes HTTP forward and reverse proxies. Components targeting +/// this world may concurrently stream in and out any number of incoming and +/// outgoing HTTP requests. +@since(version = 0.2.0) +world proxy { + @since(version = 0.2.0) + include imports; + + /// The host delivers incoming HTTP requests to a component by calling the + /// `handle` function of this exported interface. A host may arbitrarily reuse + /// or not reuse component instance when delivering incoming HTTP requests and + /// thus a component must be able to handle 0..N calls to `handle`. + @since(version = 0.2.0) + export incoming-handler; +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/http/types.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/http/types.wit new file mode 100644 index 0000000000..2498f180ad --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/http/types.wit @@ -0,0 +1,673 @@ +/// This interface defines all of the types and methods for implementing +/// HTTP Requests and Responses, both incoming and outgoing, as well as +/// their headers, trailers, and bodies. +@since(version = 0.2.0) +interface types { + @since(version = 0.2.0) + use wasi:clocks/monotonic-clock@0.2.3.{duration}; + @since(version = 0.2.0) + use wasi:io/streams@0.2.3.{input-stream, output-stream}; + @since(version = 0.2.0) + use wasi:io/error@0.2.3.{error as io-error}; + @since(version = 0.2.0) + use wasi:io/poll@0.2.3.{pollable}; + + /// This type corresponds to HTTP standard Methods. + @since(version = 0.2.0) + variant method { + get, + head, + post, + put, + delete, + connect, + options, + trace, + patch, + other(string) + } + + /// This type corresponds to HTTP standard Related Schemes. + @since(version = 0.2.0) + variant scheme { + HTTP, + HTTPS, + other(string) + } + + /// These cases are inspired by the IANA HTTP Proxy Error Types: + /// + @since(version = 0.2.0) + variant error-code { + DNS-timeout, + DNS-error(DNS-error-payload), + destination-not-found, + destination-unavailable, + destination-IP-prohibited, + destination-IP-unroutable, + connection-refused, + connection-terminated, + connection-timeout, + connection-read-timeout, + connection-write-timeout, + connection-limit-reached, + TLS-protocol-error, + TLS-certificate-error, + TLS-alert-received(TLS-alert-received-payload), + HTTP-request-denied, + HTTP-request-length-required, + HTTP-request-body-size(option), + HTTP-request-method-invalid, + HTTP-request-URI-invalid, + HTTP-request-URI-too-long, + HTTP-request-header-section-size(option), + HTTP-request-header-size(option), + HTTP-request-trailer-section-size(option), + HTTP-request-trailer-size(field-size-payload), + HTTP-response-incomplete, + HTTP-response-header-section-size(option), + HTTP-response-header-size(field-size-payload), + HTTP-response-body-size(option), + HTTP-response-trailer-section-size(option), + HTTP-response-trailer-size(field-size-payload), + HTTP-response-transfer-coding(option), + HTTP-response-content-coding(option), + HTTP-response-timeout, + HTTP-upgrade-failed, + HTTP-protocol-error, + loop-detected, + configuration-error, + /// This is a catch-all error for anything that doesn't fit cleanly into a + /// more specific case. It also includes an optional string for an + /// unstructured description of the error. Users should not depend on the + /// string for diagnosing errors, as it's not required to be consistent + /// between implementations. + internal-error(option) + } + + /// Defines the case payload type for `DNS-error` above: + @since(version = 0.2.0) + record DNS-error-payload { + rcode: option, + info-code: option + } + + /// Defines the case payload type for `TLS-alert-received` above: + @since(version = 0.2.0) + record TLS-alert-received-payload { + alert-id: option, + alert-message: option + } + + /// Defines the case payload type for `HTTP-response-{header,trailer}-size` above: + @since(version = 0.2.0) + record field-size-payload { + field-name: option, + field-size: option + } + + /// Attempts to extract a http-related `error` from the wasi:io `error` + /// provided. + /// + /// Stream operations which return + /// `wasi:io/stream/stream-error::last-operation-failed` have a payload of + /// type `wasi:io/error/error` with more information about the operation + /// that failed. This payload can be passed through to this function to see + /// if there's http-related information about the error to return. + /// + /// Note that this function is fallible because not all io-errors are + /// http-related errors. + @since(version = 0.2.0) + http-error-code: func(err: borrow) -> option; + + /// This type enumerates the different kinds of errors that may occur when + /// setting or appending to a `fields` resource. + @since(version = 0.2.0) + variant header-error { + /// This error indicates that a `field-name` or `field-value` was + /// syntactically invalid when used with an operation that sets headers in a + /// `fields`. + invalid-syntax, + + /// This error indicates that a forbidden `field-name` was used when trying + /// to set a header in a `fields`. + forbidden, + + /// This error indicates that the operation on the `fields` was not + /// permitted because the fields are immutable. + immutable, + } + + /// Field names are always strings. + /// + /// Field names should always be treated as case insensitive by the `fields` + /// resource for the purposes of equality checking. + @since(version = 0.2.1) + type field-name = field-key; + + /// Field keys are always strings. + /// + /// Field keys should always be treated as case insensitive by the `fields` + /// resource for the purposes of equality checking. + /// + /// # Deprecation + /// + /// This type has been deprecated in favor of the `field-name` type. + @since(version = 0.2.0) + @deprecated(version = 0.2.2) + type field-key = string; + + /// Field values should always be ASCII strings. However, in + /// reality, HTTP implementations often have to interpret malformed values, + /// so they are provided as a list of bytes. + @since(version = 0.2.0) + type field-value = list; + + /// This following block defines the `fields` resource which corresponds to + /// HTTP standard Fields. Fields are a common representation used for both + /// Headers and Trailers. + /// + /// A `fields` may be mutable or immutable. A `fields` created using the + /// constructor, `from-list`, or `clone` will be mutable, but a `fields` + /// resource given by other means (including, but not limited to, + /// `incoming-request.headers`, `outgoing-request.headers`) might be be + /// immutable. In an immutable fields, the `set`, `append`, and `delete` + /// operations will fail with `header-error.immutable`. + @since(version = 0.2.0) + resource fields { + + /// Construct an empty HTTP Fields. + /// + /// The resulting `fields` is mutable. + @since(version = 0.2.0) + constructor(); + + /// Construct an HTTP Fields. + /// + /// The resulting `fields` is mutable. + /// + /// The list represents each name-value pair in the Fields. Names + /// which have multiple values are represented by multiple entries in this + /// list with the same name. + /// + /// The tuple is a pair of the field name, represented as a string, and + /// Value, represented as a list of bytes. + /// + /// An error result will be returned if any `field-name` or `field-value` is + /// syntactically invalid, or if a field is forbidden. + @since(version = 0.2.0) + from-list: static func( + entries: list> + ) -> result; + + /// Get all of the values corresponding to a name. If the name is not present + /// in this `fields` or is syntactically invalid, an empty list is returned. + /// However, if the name is present but empty, this is represented by a list + /// with one or more empty field-values present. + @since(version = 0.2.0) + get: func(name: field-name) -> list; + + /// Returns `true` when the name is present in this `fields`. If the name is + /// syntactically invalid, `false` is returned. + @since(version = 0.2.0) + has: func(name: field-name) -> bool; + + /// Set all of the values for a name. Clears any existing values for that + /// name, if they have been set. + /// + /// Fails with `header-error.immutable` if the `fields` are immutable. + /// + /// Fails with `header-error.invalid-syntax` if the `field-name` or any of + /// the `field-value`s are syntactically invalid. + @since(version = 0.2.0) + set: func(name: field-name, value: list) -> result<_, header-error>; + + /// Delete all values for a name. Does nothing if no values for the name + /// exist. + /// + /// Fails with `header-error.immutable` if the `fields` are immutable. + /// + /// Fails with `header-error.invalid-syntax` if the `field-name` is + /// syntactically invalid. + @since(version = 0.2.0) + delete: func(name: field-name) -> result<_, header-error>; + + /// Append a value for a name. Does not change or delete any existing + /// values for that name. + /// + /// Fails with `header-error.immutable` if the `fields` are immutable. + /// + /// Fails with `header-error.invalid-syntax` if the `field-name` or + /// `field-value` are syntactically invalid. + @since(version = 0.2.0) + append: func(name: field-name, value: field-value) -> result<_, header-error>; + + /// Retrieve the full set of names and values in the Fields. Like the + /// constructor, the list represents each name-value pair. + /// + /// The outer list represents each name-value pair in the Fields. Names + /// which have multiple values are represented by multiple entries in this + /// list with the same name. + /// + /// The names and values are always returned in the original casing and in + /// the order in which they will be serialized for transport. + @since(version = 0.2.0) + entries: func() -> list>; + + /// Make a deep copy of the Fields. Equivalent in behavior to calling the + /// `fields` constructor on the return value of `entries`. The resulting + /// `fields` is mutable. + @since(version = 0.2.0) + clone: func() -> fields; + } + + /// Headers is an alias for Fields. + @since(version = 0.2.0) + type headers = fields; + + /// Trailers is an alias for Fields. + @since(version = 0.2.0) + type trailers = fields; + + /// Represents an incoming HTTP Request. + @since(version = 0.2.0) + resource incoming-request { + + /// Returns the method of the incoming request. + @since(version = 0.2.0) + method: func() -> method; + + /// Returns the path with query parameters from the request, as a string. + @since(version = 0.2.0) + path-with-query: func() -> option; + + /// Returns the protocol scheme from the request. + @since(version = 0.2.0) + scheme: func() -> option; + + /// Returns the authority of the Request's target URI, if present. + @since(version = 0.2.0) + authority: func() -> option; + + /// Get the `headers` associated with the request. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// The `headers` returned are a child resource: it must be dropped before + /// the parent `incoming-request` is dropped. Dropping this + /// `incoming-request` before all children are dropped will trap. + @since(version = 0.2.0) + headers: func() -> headers; + + /// Gives the `incoming-body` associated with this request. Will only + /// return success at most once, and subsequent calls will return error. + @since(version = 0.2.0) + consume: func() -> result; + } + + /// Represents an outgoing HTTP Request. + @since(version = 0.2.0) + resource outgoing-request { + + /// Construct a new `outgoing-request` with a default `method` of `GET`, and + /// `none` values for `path-with-query`, `scheme`, and `authority`. + /// + /// * `headers` is the HTTP Headers for the Request. + /// + /// It is possible to construct, or manipulate with the accessor functions + /// below, an `outgoing-request` with an invalid combination of `scheme` + /// and `authority`, or `headers` which are not permitted to be sent. + /// It is the obligation of the `outgoing-handler.handle` implementation + /// to reject invalid constructions of `outgoing-request`. + @since(version = 0.2.0) + constructor( + headers: headers + ); + + /// Returns the resource corresponding to the outgoing Body for this + /// Request. + /// + /// Returns success on the first call: the `outgoing-body` resource for + /// this `outgoing-request` can be retrieved at most once. Subsequent + /// calls will return error. + @since(version = 0.2.0) + body: func() -> result; + + /// Get the Method for the Request. + @since(version = 0.2.0) + method: func() -> method; + /// Set the Method for the Request. Fails if the string present in a + /// `method.other` argument is not a syntactically valid method. + @since(version = 0.2.0) + set-method: func(method: method) -> result; + + /// Get the combination of the HTTP Path and Query for the Request. + /// When `none`, this represents an empty Path and empty Query. + @since(version = 0.2.0) + path-with-query: func() -> option; + /// Set the combination of the HTTP Path and Query for the Request. + /// When `none`, this represents an empty Path and empty Query. Fails is the + /// string given is not a syntactically valid path and query uri component. + @since(version = 0.2.0) + set-path-with-query: func(path-with-query: option) -> result; + + /// Get the HTTP Related Scheme for the Request. When `none`, the + /// implementation may choose an appropriate default scheme. + @since(version = 0.2.0) + scheme: func() -> option; + /// Set the HTTP Related Scheme for the Request. When `none`, the + /// implementation may choose an appropriate default scheme. Fails if the + /// string given is not a syntactically valid uri scheme. + @since(version = 0.2.0) + set-scheme: func(scheme: option) -> result; + + /// Get the authority of the Request's target URI. A value of `none` may be used + /// with Related Schemes which do not require an authority. The HTTP and + /// HTTPS schemes always require an authority. + @since(version = 0.2.0) + authority: func() -> option; + /// Set the authority of the Request's target URI. A value of `none` may be used + /// with Related Schemes which do not require an authority. The HTTP and + /// HTTPS schemes always require an authority. Fails if the string given is + /// not a syntactically valid URI authority. + @since(version = 0.2.0) + set-authority: func(authority: option) -> result; + + /// Get the headers associated with the Request. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// This headers resource is a child: it must be dropped before the parent + /// `outgoing-request` is dropped, or its ownership is transferred to + /// another component by e.g. `outgoing-handler.handle`. + @since(version = 0.2.0) + headers: func() -> headers; + } + + /// Parameters for making an HTTP Request. Each of these parameters is + /// currently an optional timeout applicable to the transport layer of the + /// HTTP protocol. + /// + /// These timeouts are separate from any the user may use to bound a + /// blocking call to `wasi:io/poll.poll`. + @since(version = 0.2.0) + resource request-options { + /// Construct a default `request-options` value. + @since(version = 0.2.0) + constructor(); + + /// The timeout for the initial connect to the HTTP Server. + @since(version = 0.2.0) + connect-timeout: func() -> option; + + /// Set the timeout for the initial connect to the HTTP Server. An error + /// return value indicates that this timeout is not supported. + @since(version = 0.2.0) + set-connect-timeout: func(duration: option) -> result; + + /// The timeout for receiving the first byte of the Response body. + @since(version = 0.2.0) + first-byte-timeout: func() -> option; + + /// Set the timeout for receiving the first byte of the Response body. An + /// error return value indicates that this timeout is not supported. + @since(version = 0.2.0) + set-first-byte-timeout: func(duration: option) -> result; + + /// The timeout for receiving subsequent chunks of bytes in the Response + /// body stream. + @since(version = 0.2.0) + between-bytes-timeout: func() -> option; + + /// Set the timeout for receiving subsequent chunks of bytes in the Response + /// body stream. An error return value indicates that this timeout is not + /// supported. + @since(version = 0.2.0) + set-between-bytes-timeout: func(duration: option) -> result; + } + + /// Represents the ability to send an HTTP Response. + /// + /// This resource is used by the `wasi:http/incoming-handler` interface to + /// allow a Response to be sent corresponding to the Request provided as the + /// other argument to `incoming-handler.handle`. + @since(version = 0.2.0) + resource response-outparam { + + /// Set the value of the `response-outparam` to either send a response, + /// or indicate an error. + /// + /// This method consumes the `response-outparam` to ensure that it is + /// called at most once. If it is never called, the implementation + /// will respond with an error. + /// + /// The user may provide an `error` to `response` to allow the + /// implementation determine how to respond with an HTTP error response. + @since(version = 0.2.0) + set: static func( + param: response-outparam, + response: result, + ); + } + + /// This type corresponds to the HTTP standard Status Code. + @since(version = 0.2.0) + type status-code = u16; + + /// Represents an incoming HTTP Response. + @since(version = 0.2.0) + resource incoming-response { + + /// Returns the status code from the incoming response. + @since(version = 0.2.0) + status: func() -> status-code; + + /// Returns the headers from the incoming response. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// This headers resource is a child: it must be dropped before the parent + /// `incoming-response` is dropped. + @since(version = 0.2.0) + headers: func() -> headers; + + /// Returns the incoming body. May be called at most once. Returns error + /// if called additional times. + @since(version = 0.2.0) + consume: func() -> result; + } + + /// Represents an incoming HTTP Request or Response's Body. + /// + /// A body has both its contents - a stream of bytes - and a (possibly + /// empty) set of trailers, indicating that the full contents of the + /// body have been received. This resource represents the contents as + /// an `input-stream` and the delivery of trailers as a `future-trailers`, + /// and ensures that the user of this interface may only be consuming either + /// the body contents or waiting on trailers at any given time. + @since(version = 0.2.0) + resource incoming-body { + + /// Returns the contents of the body, as a stream of bytes. + /// + /// Returns success on first call: the stream representing the contents + /// can be retrieved at most once. Subsequent calls will return error. + /// + /// The returned `input-stream` resource is a child: it must be dropped + /// before the parent `incoming-body` is dropped, or consumed by + /// `incoming-body.finish`. + /// + /// This invariant ensures that the implementation can determine whether + /// the user is consuming the contents of the body, waiting on the + /// `future-trailers` to be ready, or neither. This allows for network + /// backpressure is to be applied when the user is consuming the body, + /// and for that backpressure to not inhibit delivery of the trailers if + /// the user does not read the entire body. + @since(version = 0.2.0) + %stream: func() -> result; + + /// Takes ownership of `incoming-body`, and returns a `future-trailers`. + /// This function will trap if the `input-stream` child is still alive. + @since(version = 0.2.0) + finish: static func(this: incoming-body) -> future-trailers; + } + + /// Represents a future which may eventually return trailers, or an error. + /// + /// In the case that the incoming HTTP Request or Response did not have any + /// trailers, this future will resolve to the empty set of trailers once the + /// complete Request or Response body has been received. + @since(version = 0.2.0) + resource future-trailers { + + /// Returns a pollable which becomes ready when either the trailers have + /// been received, or an error has occurred. When this pollable is ready, + /// the `get` method will return `some`. + @since(version = 0.2.0) + subscribe: func() -> pollable; + + /// Returns the contents of the trailers, or an error which occurred, + /// once the future is ready. + /// + /// The outer `option` represents future readiness. Users can wait on this + /// `option` to become `some` using the `subscribe` method. + /// + /// The outer `result` is used to retrieve the trailers or error at most + /// once. It will be success on the first call in which the outer option + /// is `some`, and error on subsequent calls. + /// + /// The inner `result` represents that either the HTTP Request or Response + /// body, as well as any trailers, were received successfully, or that an + /// error occurred receiving them. The optional `trailers` indicates whether + /// or not trailers were present in the body. + /// + /// When some `trailers` are returned by this method, the `trailers` + /// resource is immutable, and a child. Use of the `set`, `append`, or + /// `delete` methods will return an error, and the resource must be + /// dropped before the parent `future-trailers` is dropped. + @since(version = 0.2.0) + get: func() -> option, error-code>>>; + } + + /// Represents an outgoing HTTP Response. + @since(version = 0.2.0) + resource outgoing-response { + + /// Construct an `outgoing-response`, with a default `status-code` of `200`. + /// If a different `status-code` is needed, it must be set via the + /// `set-status-code` method. + /// + /// * `headers` is the HTTP Headers for the Response. + @since(version = 0.2.0) + constructor(headers: headers); + + /// Get the HTTP Status Code for the Response. + @since(version = 0.2.0) + status-code: func() -> status-code; + + /// Set the HTTP Status Code for the Response. Fails if the status-code + /// given is not a valid http status code. + @since(version = 0.2.0) + set-status-code: func(status-code: status-code) -> result; + + /// Get the headers associated with the Request. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// This headers resource is a child: it must be dropped before the parent + /// `outgoing-request` is dropped, or its ownership is transferred to + /// another component by e.g. `outgoing-handler.handle`. + @since(version = 0.2.0) + headers: func() -> headers; + + /// Returns the resource corresponding to the outgoing Body for this Response. + /// + /// Returns success on the first call: the `outgoing-body` resource for + /// this `outgoing-response` can be retrieved at most once. Subsequent + /// calls will return error. + @since(version = 0.2.0) + body: func() -> result; + } + + /// Represents an outgoing HTTP Request or Response's Body. + /// + /// A body has both its contents - a stream of bytes - and a (possibly + /// empty) set of trailers, inducating the full contents of the body + /// have been sent. This resource represents the contents as an + /// `output-stream` child resource, and the completion of the body (with + /// optional trailers) with a static function that consumes the + /// `outgoing-body` resource, and ensures that the user of this interface + /// may not write to the body contents after the body has been finished. + /// + /// If the user code drops this resource, as opposed to calling the static + /// method `finish`, the implementation should treat the body as incomplete, + /// and that an error has occurred. The implementation should propagate this + /// error to the HTTP protocol by whatever means it has available, + /// including: corrupting the body on the wire, aborting the associated + /// Request, or sending a late status code for the Response. + @since(version = 0.2.0) + resource outgoing-body { + + /// Returns a stream for writing the body contents. + /// + /// The returned `output-stream` is a child resource: it must be dropped + /// before the parent `outgoing-body` resource is dropped (or finished), + /// otherwise the `outgoing-body` drop or `finish` will trap. + /// + /// Returns success on the first call: the `output-stream` resource for + /// this `outgoing-body` may be retrieved at most once. Subsequent calls + /// will return error. + @since(version = 0.2.0) + write: func() -> result; + + /// Finalize an outgoing body, optionally providing trailers. This must be + /// called to signal that the response is complete. If the `outgoing-body` + /// is dropped without calling `outgoing-body.finalize`, the implementation + /// should treat the body as corrupted. + /// + /// Fails if the body's `outgoing-request` or `outgoing-response` was + /// constructed with a Content-Length header, and the contents written + /// to the body (via `write`) does not match the value given in the + /// Content-Length. + @since(version = 0.2.0) + finish: static func( + this: outgoing-body, + trailers: option + ) -> result<_, error-code>; + } + + /// Represents a future which may eventually return an incoming HTTP + /// Response, or an error. + /// + /// This resource is returned by the `wasi:http/outgoing-handler` interface to + /// provide the HTTP Response corresponding to the sent Request. + @since(version = 0.2.0) + resource future-incoming-response { + /// Returns a pollable which becomes ready when either the Response has + /// been received, or an error has occurred. When this pollable is ready, + /// the `get` method will return `some`. + @since(version = 0.2.0) + subscribe: func() -> pollable; + + /// Returns the incoming HTTP Response, or an error, once one is ready. + /// + /// The outer `option` represents future readiness. Users can wait on this + /// `option` to become `some` using the `subscribe` method. + /// + /// The outer `result` is used to retrieve the response or error at most + /// once. It will be success on the first call in which the outer option + /// is `some`, and error on subsequent calls. + /// + /// The inner `result` represents that either the incoming HTTP Response + /// status and headers have received successfully, or that an error + /// occurred. Errors may also occur while consuming the response body, + /// but those will be reported by the `incoming-body` and its + /// `output-stream` child. + @since(version = 0.2.0) + get: func() -> option>>; + } +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/io/error.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/io/error.wit new file mode 100644 index 0000000000..97c6068779 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/io/error.wit @@ -0,0 +1,34 @@ +package wasi:io@0.2.3; + +@since(version = 0.2.0) +interface error { + /// A resource which represents some error information. + /// + /// The only method provided by this resource is `to-debug-string`, + /// which provides some human-readable information about the error. + /// + /// In the `wasi:io` package, this resource is returned through the + /// `wasi:io/streams/stream-error` type. + /// + /// To provide more specific error information, other interfaces may + /// offer functions to "downcast" this error into more specific types. For example, + /// errors returned from streams derived from filesystem types can be described using + /// the filesystem's own error-code type. This is done using the function + /// `wasi:filesystem/types/filesystem-error-code`, which takes a `borrow` + /// parameter and returns an `option`. + /// + /// The set of functions which can "downcast" an `error` into a more + /// concrete type is open. + @since(version = 0.2.0) + resource error { + /// Returns a string that is suitable to assist humans in debugging + /// this error. + /// + /// WARNING: The returned string should not be consumed mechanically! + /// It may change across platforms, hosts, or other implementation + /// details. Parsing this string is a major platform-compatibility + /// hazard. + @since(version = 0.2.0) + to-debug-string: func() -> string; + } +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/io/poll.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/io/poll.wit new file mode 100644 index 0000000000..9bcbe8e036 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/io/poll.wit @@ -0,0 +1,47 @@ +package wasi:io@0.2.3; + +/// A poll API intended to let users wait for I/O events on multiple handles +/// at once. +@since(version = 0.2.0) +interface poll { + /// `pollable` represents a single I/O event which may be ready, or not. + @since(version = 0.2.0) + resource pollable { + + /// Return the readiness of a pollable. This function never blocks. + /// + /// Returns `true` when the pollable is ready, and `false` otherwise. + @since(version = 0.2.0) + ready: func() -> bool; + + /// `block` returns immediately if the pollable is ready, and otherwise + /// blocks until ready. + /// + /// This function is equivalent to calling `poll.poll` on a list + /// containing only this pollable. + @since(version = 0.2.0) + block: func(); + } + + /// Poll for completion on a set of pollables. + /// + /// This function takes a list of pollables, which identify I/O sources of + /// interest, and waits until one or more of the events is ready for I/O. + /// + /// The result `list` contains one or more indices of handles in the + /// argument list that is ready for I/O. + /// + /// This function traps if either: + /// - the list is empty, or: + /// - the list contains more elements than can be indexed with a `u32` value. + /// + /// A timeout can be implemented by adding a pollable from the + /// wasi-clocks API to the list. + /// + /// This function does not return a `result`; polling in itself does not + /// do any I/O so it doesn't fail. If any of the I/O sources identified by + /// the pollables has an error, it is indicated by marking the source as + /// being ready for I/O. + @since(version = 0.2.0) + poll: func(in: list>) -> list; +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/io/streams.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/io/streams.wit new file mode 100644 index 0000000000..0de0846293 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/io/streams.wit @@ -0,0 +1,290 @@ +package wasi:io@0.2.3; + +/// WASI I/O is an I/O abstraction API which is currently focused on providing +/// stream types. +/// +/// In the future, the component model is expected to add built-in stream types; +/// when it does, they are expected to subsume this API. +@since(version = 0.2.0) +interface streams { + @since(version = 0.2.0) + use error.{error}; + @since(version = 0.2.0) + use poll.{pollable}; + + /// An error for input-stream and output-stream operations. + @since(version = 0.2.0) + variant stream-error { + /// The last operation (a write or flush) failed before completion. + /// + /// More information is available in the `error` payload. + /// + /// After this, the stream will be closed. All future operations return + /// `stream-error::closed`. + last-operation-failed(error), + /// The stream is closed: no more input will be accepted by the + /// stream. A closed output-stream will return this error on all + /// future operations. + closed + } + + /// An input bytestream. + /// + /// `input-stream`s are *non-blocking* to the extent practical on underlying + /// platforms. I/O operations always return promptly; if fewer bytes are + /// promptly available than requested, they return the number of bytes promptly + /// available, which could even be zero. To wait for data to be available, + /// use the `subscribe` function to obtain a `pollable` which can be polled + /// for using `wasi:io/poll`. + @since(version = 0.2.0) + resource input-stream { + /// Perform a non-blocking read from the stream. + /// + /// When the source of a `read` is binary data, the bytes from the source + /// are returned verbatim. When the source of a `read` is known to the + /// implementation to be text, bytes containing the UTF-8 encoding of the + /// text are returned. + /// + /// This function returns a list of bytes containing the read data, + /// when successful. The returned list will contain up to `len` bytes; + /// it may return fewer than requested, but not more. The list is + /// empty when no bytes are available for reading at this time. The + /// pollable given by `subscribe` will be ready when more bytes are + /// available. + /// + /// This function fails with a `stream-error` when the operation + /// encounters an error, giving `last-operation-failed`, or when the + /// stream is closed, giving `closed`. + /// + /// When the caller gives a `len` of 0, it represents a request to + /// read 0 bytes. If the stream is still open, this call should + /// succeed and return an empty list, or otherwise fail with `closed`. + /// + /// The `len` parameter is a `u64`, which could represent a list of u8 which + /// is not possible to allocate in wasm32, or not desirable to allocate as + /// as a return value by the callee. The callee may return a list of bytes + /// less than `len` in size while more bytes are available for reading. + @since(version = 0.2.0) + read: func( + /// The maximum number of bytes to read + len: u64 + ) -> result, stream-error>; + + /// Read bytes from a stream, after blocking until at least one byte can + /// be read. Except for blocking, behavior is identical to `read`. + @since(version = 0.2.0) + blocking-read: func( + /// The maximum number of bytes to read + len: u64 + ) -> result, stream-error>; + + /// Skip bytes from a stream. Returns number of bytes skipped. + /// + /// Behaves identical to `read`, except instead of returning a list + /// of bytes, returns the number of bytes consumed from the stream. + @since(version = 0.2.0) + skip: func( + /// The maximum number of bytes to skip. + len: u64, + ) -> result; + + /// Skip bytes from a stream, after blocking until at least one byte + /// can be skipped. Except for blocking behavior, identical to `skip`. + @since(version = 0.2.0) + blocking-skip: func( + /// The maximum number of bytes to skip. + len: u64, + ) -> result; + + /// Create a `pollable` which will resolve once either the specified stream + /// has bytes available to read or the other end of the stream has been + /// closed. + /// The created `pollable` is a child resource of the `input-stream`. + /// Implementations may trap if the `input-stream` is dropped before + /// all derived `pollable`s created with this function are dropped. + @since(version = 0.2.0) + subscribe: func() -> pollable; + } + + + /// An output bytestream. + /// + /// `output-stream`s are *non-blocking* to the extent practical on + /// underlying platforms. Except where specified otherwise, I/O operations also + /// always return promptly, after the number of bytes that can be written + /// promptly, which could even be zero. To wait for the stream to be ready to + /// accept data, the `subscribe` function to obtain a `pollable` which can be + /// polled for using `wasi:io/poll`. + /// + /// Dropping an `output-stream` while there's still an active write in + /// progress may result in the data being lost. Before dropping the stream, + /// be sure to fully flush your writes. + @since(version = 0.2.0) + resource output-stream { + /// Check readiness for writing. This function never blocks. + /// + /// Returns the number of bytes permitted for the next call to `write`, + /// or an error. Calling `write` with more bytes than this function has + /// permitted will trap. + /// + /// When this function returns 0 bytes, the `subscribe` pollable will + /// become ready when this function will report at least 1 byte, or an + /// error. + @since(version = 0.2.0) + check-write: func() -> result; + + /// Perform a write. This function never blocks. + /// + /// When the destination of a `write` is binary data, the bytes from + /// `contents` are written verbatim. When the destination of a `write` is + /// known to the implementation to be text, the bytes of `contents` are + /// transcoded from UTF-8 into the encoding of the destination and then + /// written. + /// + /// Precondition: check-write gave permit of Ok(n) and contents has a + /// length of less than or equal to n. Otherwise, this function will trap. + /// + /// returns Err(closed) without writing if the stream has closed since + /// the last call to check-write provided a permit. + @since(version = 0.2.0) + write: func( + contents: list + ) -> result<_, stream-error>; + + /// Perform a write of up to 4096 bytes, and then flush the stream. Block + /// until all of these operations are complete, or an error occurs. + /// + /// This is a convenience wrapper around the use of `check-write`, + /// `subscribe`, `write`, and `flush`, and is implemented with the + /// following pseudo-code: + /// + /// ```text + /// let pollable = this.subscribe(); + /// while !contents.is_empty() { + /// // Wait for the stream to become writable + /// pollable.block(); + /// let Ok(n) = this.check-write(); // eliding error handling + /// let len = min(n, contents.len()); + /// let (chunk, rest) = contents.split_at(len); + /// this.write(chunk ); // eliding error handling + /// contents = rest; + /// } + /// this.flush(); + /// // Wait for completion of `flush` + /// pollable.block(); + /// // Check for any errors that arose during `flush` + /// let _ = this.check-write(); // eliding error handling + /// ``` + @since(version = 0.2.0) + blocking-write-and-flush: func( + contents: list + ) -> result<_, stream-error>; + + /// Request to flush buffered output. This function never blocks. + /// + /// This tells the output-stream that the caller intends any buffered + /// output to be flushed. the output which is expected to be flushed + /// is all that has been passed to `write` prior to this call. + /// + /// Upon calling this function, the `output-stream` will not accept any + /// writes (`check-write` will return `ok(0)`) until the flush has + /// completed. The `subscribe` pollable will become ready when the + /// flush has completed and the stream can accept more writes. + @since(version = 0.2.0) + flush: func() -> result<_, stream-error>; + + /// Request to flush buffered output, and block until flush completes + /// and stream is ready for writing again. + @since(version = 0.2.0) + blocking-flush: func() -> result<_, stream-error>; + + /// Create a `pollable` which will resolve once the output-stream + /// is ready for more writing, or an error has occurred. When this + /// pollable is ready, `check-write` will return `ok(n)` with n>0, or an + /// error. + /// + /// If the stream is closed, this pollable is always ready immediately. + /// + /// The created `pollable` is a child resource of the `output-stream`. + /// Implementations may trap if the `output-stream` is dropped before + /// all derived `pollable`s created with this function are dropped. + @since(version = 0.2.0) + subscribe: func() -> pollable; + + /// Write zeroes to a stream. + /// + /// This should be used precisely like `write` with the exact same + /// preconditions (must use check-write first), but instead of + /// passing a list of bytes, you simply pass the number of zero-bytes + /// that should be written. + @since(version = 0.2.0) + write-zeroes: func( + /// The number of zero-bytes to write + len: u64 + ) -> result<_, stream-error>; + + /// Perform a write of up to 4096 zeroes, and then flush the stream. + /// Block until all of these operations are complete, or an error + /// occurs. + /// + /// This is a convenience wrapper around the use of `check-write`, + /// `subscribe`, `write-zeroes`, and `flush`, and is implemented with + /// the following pseudo-code: + /// + /// ```text + /// let pollable = this.subscribe(); + /// while num_zeroes != 0 { + /// // Wait for the stream to become writable + /// pollable.block(); + /// let Ok(n) = this.check-write(); // eliding error handling + /// let len = min(n, num_zeroes); + /// this.write-zeroes(len); // eliding error handling + /// num_zeroes -= len; + /// } + /// this.flush(); + /// // Wait for completion of `flush` + /// pollable.block(); + /// // Check for any errors that arose during `flush` + /// let _ = this.check-write(); // eliding error handling + /// ``` + @since(version = 0.2.0) + blocking-write-zeroes-and-flush: func( + /// The number of zero-bytes to write + len: u64 + ) -> result<_, stream-error>; + + /// Read from one stream and write to another. + /// + /// The behavior of splice is equivalent to: + /// 1. calling `check-write` on the `output-stream` + /// 2. calling `read` on the `input-stream` with the smaller of the + /// `check-write` permitted length and the `len` provided to `splice` + /// 3. calling `write` on the `output-stream` with that read data. + /// + /// Any error reported by the call to `check-write`, `read`, or + /// `write` ends the splice and reports that error. + /// + /// This function returns the number of bytes transferred; it may be less + /// than `len`. + @since(version = 0.2.0) + splice: func( + /// The stream to read from + src: borrow, + /// The number of bytes to splice + len: u64, + ) -> result; + + /// Read from one stream and write to another, with blocking. + /// + /// This is similar to `splice`, except that it blocks until the + /// `output-stream` is ready for writing, and the `input-stream` + /// is ready for reading, before performing the `splice`. + @since(version = 0.2.0) + blocking-splice: func( + /// The stream to read from + src: borrow, + /// The number of bytes to splice + len: u64, + ) -> result; + } +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/io/world.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/io/world.wit new file mode 100644 index 0000000000..f1d2102dca --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/io/world.wit @@ -0,0 +1,10 @@ +package wasi:io@0.2.3; + +@since(version = 0.2.0) +world imports { + @since(version = 0.2.0) + import streams; + + @since(version = 0.2.0) + import poll; +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/random/insecure-seed.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/random/insecure-seed.wit new file mode 100644 index 0000000000..67d024d5bf --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/random/insecure-seed.wit @@ -0,0 +1,27 @@ +package wasi:random@0.2.3; +/// The insecure-seed interface for seeding hash-map DoS resistance. +/// +/// It is intended to be portable at least between Unix-family platforms and +/// Windows. +@since(version = 0.2.0) +interface insecure-seed { + /// Return a 128-bit value that may contain a pseudo-random value. + /// + /// The returned value is not required to be computed from a CSPRNG, and may + /// even be entirely deterministic. Host implementations are encouraged to + /// provide pseudo-random values to any program exposed to + /// attacker-controlled content, to enable DoS protection built into many + /// languages' hash-map implementations. + /// + /// This function is intended to only be called once, by a source language + /// to initialize Denial Of Service (DoS) protection in its hash-map + /// implementation. + /// + /// # Expected future evolution + /// + /// This will likely be changed to a value import, to prevent it from being + /// called multiple times and potentially used for purposes other than DoS + /// protection. + @since(version = 0.2.0) + insecure-seed: func() -> tuple; +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/random/insecure.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/random/insecure.wit new file mode 100644 index 0000000000..a07dfab327 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/random/insecure.wit @@ -0,0 +1,25 @@ +package wasi:random@0.2.3; +/// The insecure interface for insecure pseudo-random numbers. +/// +/// It is intended to be portable at least between Unix-family platforms and +/// Windows. +@since(version = 0.2.0) +interface insecure { + /// Return `len` insecure pseudo-random bytes. + /// + /// This function is not cryptographically secure. Do not use it for + /// anything related to security. + /// + /// There are no requirements on the values of the returned bytes, however + /// implementations are encouraged to return evenly distributed values with + /// a long period. + @since(version = 0.2.0) + get-insecure-random-bytes: func(len: u64) -> list; + + /// Return an insecure pseudo-random `u64` value. + /// + /// This function returns the same type of pseudo-random data as + /// `get-insecure-random-bytes`, represented as a `u64`. + @since(version = 0.2.0) + get-insecure-random-u64: func() -> u64; +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/random/random.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/random/random.wit new file mode 100644 index 0000000000..91957e6330 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/random/random.wit @@ -0,0 +1,29 @@ +package wasi:random@0.2.3; +/// WASI Random is a random data API. +/// +/// It is intended to be portable at least between Unix-family platforms and +/// Windows. +@since(version = 0.2.0) +interface random { + /// Return `len` cryptographically-secure random or pseudo-random bytes. + /// + /// This function must produce data at least as cryptographically secure and + /// fast as an adequately seeded cryptographically-secure pseudo-random + /// number generator (CSPRNG). It must not block, from the perspective of + /// the calling program, under any circumstances, including on the first + /// request and on requests for numbers of bytes. The returned data must + /// always be unpredictable. + /// + /// This function must always return fresh data. Deterministic environments + /// must omit this function, rather than implementing it with deterministic + /// data. + @since(version = 0.2.0) + get-random-bytes: func(len: u64) -> list; + + /// Return a cryptographically-secure random or pseudo-random `u64` value. + /// + /// This function returns the same type of data as `get-random-bytes`, + /// represented as a `u64`. + @since(version = 0.2.0) + get-random-u64: func() -> u64; +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/random/world.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/random/world.wit new file mode 100644 index 0000000000..0c1218f36e --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/random/world.wit @@ -0,0 +1,13 @@ +package wasi:random@0.2.3; + +@since(version = 0.2.0) +world imports { + @since(version = 0.2.0) + import random; + + @since(version = 0.2.0) + import insecure; + + @since(version = 0.2.0) + import insecure-seed; +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/instance-network.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/instance-network.wit new file mode 100644 index 0000000000..5f6e6c1cc9 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/instance-network.wit @@ -0,0 +1,11 @@ + +/// This interface provides a value-export of the default network handle.. +@since(version = 0.2.0) +interface instance-network { + @since(version = 0.2.0) + use network.{network}; + + /// Get a handle to the default network. + @since(version = 0.2.0) + instance-network: func() -> network; +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/ip-name-lookup.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/ip-name-lookup.wit new file mode 100644 index 0000000000..c1d8a47c16 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/ip-name-lookup.wit @@ -0,0 +1,56 @@ +@since(version = 0.2.0) +interface ip-name-lookup { + @since(version = 0.2.0) + use wasi:io/poll@0.2.3.{pollable}; + @since(version = 0.2.0) + use network.{network, error-code, ip-address}; + + /// Resolve an internet host name to a list of IP addresses. + /// + /// Unicode domain names are automatically converted to ASCII using IDNA encoding. + /// If the input is an IP address string, the address is parsed and returned + /// as-is without making any external requests. + /// + /// See the wasi-socket proposal README.md for a comparison with getaddrinfo. + /// + /// This function never blocks. It either immediately fails or immediately + /// returns successfully with a `resolve-address-stream` that can be used + /// to (asynchronously) fetch the results. + /// + /// # Typical errors + /// - `invalid-argument`: `name` is a syntactically invalid domain name or IP address. + /// + /// # References: + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + resolve-addresses: func(network: borrow, name: string) -> result; + + @since(version = 0.2.0) + resource resolve-address-stream { + /// Returns the next address from the resolver. + /// + /// This function should be called multiple times. On each call, it will + /// return the next address in connection order preference. If all + /// addresses have been exhausted, this function returns `none`. + /// + /// This function never returns IPv4-mapped IPv6 addresses. + /// + /// # Typical errors + /// - `name-unresolvable`: Name does not exist or has no suitable associated IP addresses. (EAI_NONAME, EAI_NODATA, EAI_ADDRFAMILY) + /// - `temporary-resolver-failure`: A temporary failure in name resolution occurred. (EAI_AGAIN) + /// - `permanent-resolver-failure`: A permanent failure in name resolution occurred. (EAI_FAIL) + /// - `would-block`: A result is not available yet. (EWOULDBLOCK, EAGAIN) + @since(version = 0.2.0) + resolve-next-address: func() -> result, error-code>; + + /// Create a `pollable` which will resolve once the stream is ready for I/O. + /// + /// Note: this function is here for WASI 0.2 only. + /// It's planned to be removed when `future` is natively supported in Preview3. + @since(version = 0.2.0) + subscribe: func() -> pollable; + } +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/network.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/network.wit new file mode 100644 index 0000000000..f3f60a3709 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/network.wit @@ -0,0 +1,169 @@ +@since(version = 0.2.0) +interface network { + @unstable(feature = network-error-code) + use wasi:io/error@0.2.3.{error}; + + /// An opaque resource that represents access to (a subset of) the network. + /// This enables context-based security for networking. + /// There is no need for this to map 1:1 to a physical network interface. + @since(version = 0.2.0) + resource network; + + /// Error codes. + /// + /// In theory, every API can return any error code. + /// In practice, API's typically only return the errors documented per API + /// combined with a couple of errors that are always possible: + /// - `unknown` + /// - `access-denied` + /// - `not-supported` + /// - `out-of-memory` + /// - `concurrency-conflict` + /// + /// See each individual API for what the POSIX equivalents are. They sometimes differ per API. + @since(version = 0.2.0) + enum error-code { + /// Unknown error + unknown, + + /// Access denied. + /// + /// POSIX equivalent: EACCES, EPERM + access-denied, + + /// The operation is not supported. + /// + /// POSIX equivalent: EOPNOTSUPP + not-supported, + + /// One of the arguments is invalid. + /// + /// POSIX equivalent: EINVAL + invalid-argument, + + /// Not enough memory to complete the operation. + /// + /// POSIX equivalent: ENOMEM, ENOBUFS, EAI_MEMORY + out-of-memory, + + /// The operation timed out before it could finish completely. + timeout, + + /// This operation is incompatible with another asynchronous operation that is already in progress. + /// + /// POSIX equivalent: EALREADY + concurrency-conflict, + + /// Trying to finish an asynchronous operation that: + /// - has not been started yet, or: + /// - was already finished by a previous `finish-*` call. + /// + /// Note: this is scheduled to be removed when `future`s are natively supported. + not-in-progress, + + /// The operation has been aborted because it could not be completed immediately. + /// + /// Note: this is scheduled to be removed when `future`s are natively supported. + would-block, + + + /// The operation is not valid in the socket's current state. + invalid-state, + + /// A new socket resource could not be created because of a system limit. + new-socket-limit, + + /// A bind operation failed because the provided address is not an address that the `network` can bind to. + address-not-bindable, + + /// A bind operation failed because the provided address is already in use or because there are no ephemeral ports available. + address-in-use, + + /// The remote address is not reachable + remote-unreachable, + + + /// The TCP connection was forcefully rejected + connection-refused, + + /// The TCP connection was reset. + connection-reset, + + /// A TCP connection was aborted. + connection-aborted, + + + /// The size of a datagram sent to a UDP socket exceeded the maximum + /// supported size. + datagram-too-large, + + + /// Name does not exist or has no suitable associated IP addresses. + name-unresolvable, + + /// A temporary failure in name resolution occurred. + temporary-resolver-failure, + + /// A permanent failure in name resolution occurred. + permanent-resolver-failure, + } + + /// Attempts to extract a network-related `error-code` from the stream + /// `error` provided. + /// + /// Stream operations which return `stream-error::last-operation-failed` + /// have a payload with more information about the operation that failed. + /// This payload can be passed through to this function to see if there's + /// network-related information about the error to return. + /// + /// Note that this function is fallible because not all stream-related + /// errors are network-related errors. + @unstable(feature = network-error-code) + network-error-code: func(err: borrow) -> option; + + @since(version = 0.2.0) + enum ip-address-family { + /// Similar to `AF_INET` in POSIX. + ipv4, + + /// Similar to `AF_INET6` in POSIX. + ipv6, + } + + @since(version = 0.2.0) + type ipv4-address = tuple; + @since(version = 0.2.0) + type ipv6-address = tuple; + + @since(version = 0.2.0) + variant ip-address { + ipv4(ipv4-address), + ipv6(ipv6-address), + } + + @since(version = 0.2.0) + record ipv4-socket-address { + /// sin_port + port: u16, + /// sin_addr + address: ipv4-address, + } + + @since(version = 0.2.0) + record ipv6-socket-address { + /// sin6_port + port: u16, + /// sin6_flowinfo + flow-info: u32, + /// sin6_addr + address: ipv6-address, + /// sin6_scope_id + scope-id: u32, + } + + @since(version = 0.2.0) + variant ip-socket-address { + ipv4(ipv4-socket-address), + ipv6(ipv6-socket-address), + } +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/tcp-create-socket.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/tcp-create-socket.wit new file mode 100644 index 0000000000..eedbd30768 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/tcp-create-socket.wit @@ -0,0 +1,30 @@ +@since(version = 0.2.0) +interface tcp-create-socket { + @since(version = 0.2.0) + use network.{network, error-code, ip-address-family}; + @since(version = 0.2.0) + use tcp.{tcp-socket}; + + /// Create a new TCP socket. + /// + /// Similar to `socket(AF_INET or AF_INET6, SOCK_STREAM, IPPROTO_TCP)` in POSIX. + /// On IPv6 sockets, IPV6_V6ONLY is enabled by default and can't be configured otherwise. + /// + /// This function does not require a network capability handle. This is considered to be safe because + /// at time of creation, the socket is not bound to any `network` yet. Up to the moment `bind`/`connect` + /// is called, the socket is effectively an in-memory configuration object, unable to communicate with the outside world. + /// + /// All sockets are non-blocking. Use the wasi-poll interface to block on asynchronous operations. + /// + /// # Typical errors + /// - `not-supported`: The specified `address-family` is not supported. (EAFNOSUPPORT) + /// - `new-socket-limit`: The new socket resource could not be created because of a system limit. (EMFILE, ENFILE) + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + create-tcp-socket: func(address-family: ip-address-family) -> result; +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/tcp.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/tcp.wit new file mode 100644 index 0000000000..b4cd87fcef --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/tcp.wit @@ -0,0 +1,387 @@ +@since(version = 0.2.0) +interface tcp { + @since(version = 0.2.0) + use wasi:io/streams@0.2.3.{input-stream, output-stream}; + @since(version = 0.2.0) + use wasi:io/poll@0.2.3.{pollable}; + @since(version = 0.2.0) + use wasi:clocks/monotonic-clock@0.2.3.{duration}; + @since(version = 0.2.0) + use network.{network, error-code, ip-socket-address, ip-address-family}; + + @since(version = 0.2.0) + enum shutdown-type { + /// Similar to `SHUT_RD` in POSIX. + receive, + + /// Similar to `SHUT_WR` in POSIX. + send, + + /// Similar to `SHUT_RDWR` in POSIX. + both, + } + + /// A TCP socket resource. + /// + /// The socket can be in one of the following states: + /// - `unbound` + /// - `bind-in-progress` + /// - `bound` (See note below) + /// - `listen-in-progress` + /// - `listening` + /// - `connect-in-progress` + /// - `connected` + /// - `closed` + /// See + /// for more information. + /// + /// Note: Except where explicitly mentioned, whenever this documentation uses + /// the term "bound" without backticks it actually means: in the `bound` state *or higher*. + /// (i.e. `bound`, `listen-in-progress`, `listening`, `connect-in-progress` or `connected`) + /// + /// In addition to the general error codes documented on the + /// `network::error-code` type, TCP socket methods may always return + /// `error(invalid-state)` when in the `closed` state. + @since(version = 0.2.0) + resource tcp-socket { + /// Bind the socket to a specific network on the provided IP address and port. + /// + /// If the IP address is zero (`0.0.0.0` in IPv4, `::` in IPv6), it is left to the implementation to decide which + /// network interface(s) to bind to. + /// If the TCP/UDP port is zero, the socket will be bound to a random free port. + /// + /// Bind can be attempted multiple times on the same socket, even with + /// different arguments on each iteration. But never concurrently and + /// only as long as the previous bind failed. Once a bind succeeds, the + /// binding can't be changed anymore. + /// + /// # Typical errors + /// - `invalid-argument`: The `local-address` has the wrong address family. (EAFNOSUPPORT, EFAULT on Windows) + /// - `invalid-argument`: `local-address` is not a unicast address. (EINVAL) + /// - `invalid-argument`: `local-address` is an IPv4-mapped IPv6 address. (EINVAL) + /// - `invalid-state`: The socket is already bound. (EINVAL) + /// - `address-in-use`: No ephemeral ports available. (EADDRINUSE, ENOBUFS on Windows) + /// - `address-in-use`: Address is already in use. (EADDRINUSE) + /// - `address-not-bindable`: `local-address` is not an address that the `network` can bind to. (EADDRNOTAVAIL) + /// - `not-in-progress`: A `bind` operation is not in progress. + /// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN) + /// + /// # Implementors note + /// When binding to a non-zero port, this bind operation shouldn't be affected by the TIME_WAIT + /// state of a recently closed socket on the same local address. In practice this means that the SO_REUSEADDR + /// socket option should be set implicitly on all platforms, except on Windows where this is the default behavior + /// and SO_REUSEADDR performs something different entirely. + /// + /// Unlike in POSIX, in WASI the bind operation is async. This enables + /// interactive WASI hosts to inject permission prompts. Runtimes that + /// don't want to make use of this ability can simply call the native + /// `bind` as part of either `start-bind` or `finish-bind`. + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + start-bind: func(network: borrow, local-address: ip-socket-address) -> result<_, error-code>; + @since(version = 0.2.0) + finish-bind: func() -> result<_, error-code>; + + /// Connect to a remote endpoint. + /// + /// On success: + /// - the socket is transitioned into the `connected` state. + /// - a pair of streams is returned that can be used to read & write to the connection + /// + /// After a failed connection attempt, the socket will be in the `closed` + /// state and the only valid action left is to `drop` the socket. A single + /// socket can not be used to connect more than once. + /// + /// # Typical errors + /// - `invalid-argument`: The `remote-address` has the wrong address family. (EAFNOSUPPORT) + /// - `invalid-argument`: `remote-address` is not a unicast address. (EINVAL, ENETUNREACH on Linux, EAFNOSUPPORT on MacOS) + /// - `invalid-argument`: `remote-address` is an IPv4-mapped IPv6 address. (EINVAL, EADDRNOTAVAIL on Illumos) + /// - `invalid-argument`: The IP address in `remote-address` is set to INADDR_ANY (`0.0.0.0` / `::`). (EADDRNOTAVAIL on Windows) + /// - `invalid-argument`: The port in `remote-address` is set to 0. (EADDRNOTAVAIL on Windows) + /// - `invalid-argument`: The socket is already attached to a different network. The `network` passed to `connect` must be identical to the one passed to `bind`. + /// - `invalid-state`: The socket is already in the `connected` state. (EISCONN) + /// - `invalid-state`: The socket is already in the `listening` state. (EOPNOTSUPP, EINVAL on Windows) + /// - `timeout`: Connection timed out. (ETIMEDOUT) + /// - `connection-refused`: The connection was forcefully rejected. (ECONNREFUSED) + /// - `connection-reset`: The connection was reset. (ECONNRESET) + /// - `connection-aborted`: The connection was aborted. (ECONNABORTED) + /// - `remote-unreachable`: The remote address is not reachable. (EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET) + /// - `address-in-use`: Tried to perform an implicit bind, but there were no ephemeral ports available. (EADDRINUSE, EADDRNOTAVAIL on Linux, EAGAIN on BSD) + /// - `not-in-progress`: A connect operation is not in progress. + /// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN) + /// + /// # Implementors note + /// The POSIX equivalent of `start-connect` is the regular `connect` syscall. + /// Because all WASI sockets are non-blocking this is expected to return + /// EINPROGRESS, which should be translated to `ok()` in WASI. + /// + /// The POSIX equivalent of `finish-connect` is a `poll` for event `POLLOUT` + /// with a timeout of 0 on the socket descriptor. Followed by a check for + /// the `SO_ERROR` socket option, in case the poll signaled readiness. + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + start-connect: func(network: borrow, remote-address: ip-socket-address) -> result<_, error-code>; + @since(version = 0.2.0) + finish-connect: func() -> result, error-code>; + + /// Start listening for new connections. + /// + /// Transitions the socket into the `listening` state. + /// + /// Unlike POSIX, the socket must already be explicitly bound. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not bound to any local address. (EDESTADDRREQ) + /// - `invalid-state`: The socket is already in the `connected` state. (EISCONN, EINVAL on BSD) + /// - `invalid-state`: The socket is already in the `listening` state. + /// - `address-in-use`: Tried to perform an implicit bind, but there were no ephemeral ports available. (EADDRINUSE) + /// - `not-in-progress`: A listen operation is not in progress. + /// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN) + /// + /// # Implementors note + /// Unlike in POSIX, in WASI the listen operation is async. This enables + /// interactive WASI hosts to inject permission prompts. Runtimes that + /// don't want to make use of this ability can simply call the native + /// `listen` as part of either `start-listen` or `finish-listen`. + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + start-listen: func() -> result<_, error-code>; + @since(version = 0.2.0) + finish-listen: func() -> result<_, error-code>; + + /// Accept a new client socket. + /// + /// The returned socket is bound and in the `connected` state. The following properties are inherited from the listener socket: + /// - `address-family` + /// - `keep-alive-enabled` + /// - `keep-alive-idle-time` + /// - `keep-alive-interval` + /// - `keep-alive-count` + /// - `hop-limit` + /// - `receive-buffer-size` + /// - `send-buffer-size` + /// + /// On success, this function returns the newly accepted client socket along with + /// a pair of streams that can be used to read & write to the connection. + /// + /// # Typical errors + /// - `invalid-state`: Socket is not in the `listening` state. (EINVAL) + /// - `would-block`: No pending connections at the moment. (EWOULDBLOCK, EAGAIN) + /// - `connection-aborted`: An incoming connection was pending, but was terminated by the client before this listener could accept it. (ECONNABORTED) + /// - `new-socket-limit`: The new socket resource could not be created because of a system limit. (EMFILE, ENFILE) + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + accept: func() -> result, error-code>; + + /// Get the bound local address. + /// + /// POSIX mentions: + /// > If the socket has not been bound to a local name, the value + /// > stored in the object pointed to by `address` is unspecified. + /// + /// WASI is stricter and requires `local-address` to return `invalid-state` when the socket hasn't been bound yet. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not bound to any local address. + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + local-address: func() -> result; + + /// Get the remote address. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not connected to a remote address. (ENOTCONN) + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + remote-address: func() -> result; + + /// Whether the socket is in the `listening` state. + /// + /// Equivalent to the SO_ACCEPTCONN socket option. + @since(version = 0.2.0) + is-listening: func() -> bool; + + /// Whether this is a IPv4 or IPv6 socket. + /// + /// Equivalent to the SO_DOMAIN socket option. + @since(version = 0.2.0) + address-family: func() -> ip-address-family; + + /// Hints the desired listen queue size. Implementations are free to ignore this. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// + /// # Typical errors + /// - `not-supported`: (set) The platform does not support changing the backlog size after the initial listen. + /// - `invalid-argument`: (set) The provided value was 0. + /// - `invalid-state`: (set) The socket is in the `connect-in-progress` or `connected` state. + @since(version = 0.2.0) + set-listen-backlog-size: func(value: u64) -> result<_, error-code>; + + /// Enables or disables keepalive. + /// + /// The keepalive behavior can be adjusted using: + /// - `keep-alive-idle-time` + /// - `keep-alive-interval` + /// - `keep-alive-count` + /// These properties can be configured while `keep-alive-enabled` is false, but only come into effect when `keep-alive-enabled` is true. + /// + /// Equivalent to the SO_KEEPALIVE socket option. + @since(version = 0.2.0) + keep-alive-enabled: func() -> result; + @since(version = 0.2.0) + set-keep-alive-enabled: func(value: bool) -> result<_, error-code>; + + /// Amount of time the connection has to be idle before TCP starts sending keepalive packets. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// I.e. after setting a value, reading the same setting back may return a different value. + /// + /// Equivalent to the TCP_KEEPIDLE socket option. (TCP_KEEPALIVE on MacOS) + /// + /// # Typical errors + /// - `invalid-argument`: (set) The provided value was 0. + @since(version = 0.2.0) + keep-alive-idle-time: func() -> result; + @since(version = 0.2.0) + set-keep-alive-idle-time: func(value: duration) -> result<_, error-code>; + + /// The time between keepalive packets. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// I.e. after setting a value, reading the same setting back may return a different value. + /// + /// Equivalent to the TCP_KEEPINTVL socket option. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The provided value was 0. + @since(version = 0.2.0) + keep-alive-interval: func() -> result; + @since(version = 0.2.0) + set-keep-alive-interval: func(value: duration) -> result<_, error-code>; + + /// The maximum amount of keepalive packets TCP should send before aborting the connection. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// I.e. after setting a value, reading the same setting back may return a different value. + /// + /// Equivalent to the TCP_KEEPCNT socket option. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The provided value was 0. + @since(version = 0.2.0) + keep-alive-count: func() -> result; + @since(version = 0.2.0) + set-keep-alive-count: func(value: u32) -> result<_, error-code>; + + /// Equivalent to the IP_TTL & IPV6_UNICAST_HOPS socket options. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The TTL value must be 1 or higher. + @since(version = 0.2.0) + hop-limit: func() -> result; + @since(version = 0.2.0) + set-hop-limit: func(value: u8) -> result<_, error-code>; + + /// The kernel buffer space reserved for sends/receives on this socket. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// I.e. after setting a value, reading the same setting back may return a different value. + /// + /// Equivalent to the SO_RCVBUF and SO_SNDBUF socket options. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The provided value was 0. + @since(version = 0.2.0) + receive-buffer-size: func() -> result; + @since(version = 0.2.0) + set-receive-buffer-size: func(value: u64) -> result<_, error-code>; + @since(version = 0.2.0) + send-buffer-size: func() -> result; + @since(version = 0.2.0) + set-send-buffer-size: func(value: u64) -> result<_, error-code>; + + /// Create a `pollable` which can be used to poll for, or block on, + /// completion of any of the asynchronous operations of this socket. + /// + /// When `finish-bind`, `finish-listen`, `finish-connect` or `accept` + /// return `error(would-block)`, this pollable can be used to wait for + /// their success or failure, after which the method can be retried. + /// + /// The pollable is not limited to the async operation that happens to be + /// in progress at the time of calling `subscribe` (if any). Theoretically, + /// `subscribe` only has to be called once per socket and can then be + /// (re)used for the remainder of the socket's lifetime. + /// + /// See + /// for more information. + /// + /// Note: this function is here for WASI 0.2 only. + /// It's planned to be removed when `future` is natively supported in Preview3. + @since(version = 0.2.0) + subscribe: func() -> pollable; + + /// Initiate a graceful shutdown. + /// + /// - `receive`: The socket is not expecting to receive any data from + /// the peer. The `input-stream` associated with this socket will be + /// closed. Any data still in the receive queue at time of calling + /// this method will be discarded. + /// - `send`: The socket has no more data to send to the peer. The `output-stream` + /// associated with this socket will be closed and a FIN packet will be sent. + /// - `both`: Same effect as `receive` & `send` combined. + /// + /// This function is idempotent; shutting down a direction more than once + /// has no effect and returns `ok`. + /// + /// The shutdown function does not close (drop) the socket. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not in the `connected` state. (ENOTCONN) + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + shutdown: func(shutdown-type: shutdown-type) -> result<_, error-code>; + } +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/udp-create-socket.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/udp-create-socket.wit new file mode 100644 index 0000000000..e8eeacbfef --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/udp-create-socket.wit @@ -0,0 +1,30 @@ +@since(version = 0.2.0) +interface udp-create-socket { + @since(version = 0.2.0) + use network.{network, error-code, ip-address-family}; + @since(version = 0.2.0) + use udp.{udp-socket}; + + /// Create a new UDP socket. + /// + /// Similar to `socket(AF_INET or AF_INET6, SOCK_DGRAM, IPPROTO_UDP)` in POSIX. + /// On IPv6 sockets, IPV6_V6ONLY is enabled by default and can't be configured otherwise. + /// + /// This function does not require a network capability handle. This is considered to be safe because + /// at time of creation, the socket is not bound to any `network` yet. Up to the moment `bind` is called, + /// the socket is effectively an in-memory configuration object, unable to communicate with the outside world. + /// + /// All sockets are non-blocking. Use the wasi-poll interface to block on asynchronous operations. + /// + /// # Typical errors + /// - `not-supported`: The specified `address-family` is not supported. (EAFNOSUPPORT) + /// - `new-socket-limit`: The new socket resource could not be created because of a system limit. (EMFILE, ENFILE) + /// + /// # References: + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + create-udp-socket: func(address-family: ip-address-family) -> result; +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/udp.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/udp.wit new file mode 100644 index 0000000000..01901ca27f --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/udp.wit @@ -0,0 +1,288 @@ +@since(version = 0.2.0) +interface udp { + @since(version = 0.2.0) + use wasi:io/poll@0.2.3.{pollable}; + @since(version = 0.2.0) + use network.{network, error-code, ip-socket-address, ip-address-family}; + + /// A received datagram. + @since(version = 0.2.0) + record incoming-datagram { + /// The payload. + /// + /// Theoretical max size: ~64 KiB. In practice, typically less than 1500 bytes. + data: list, + + /// The source address. + /// + /// This field is guaranteed to match the remote address the stream was initialized with, if any. + /// + /// Equivalent to the `src_addr` out parameter of `recvfrom`. + remote-address: ip-socket-address, + } + + /// A datagram to be sent out. + @since(version = 0.2.0) + record outgoing-datagram { + /// The payload. + data: list, + + /// The destination address. + /// + /// The requirements on this field depend on how the stream was initialized: + /// - with a remote address: this field must be None or match the stream's remote address exactly. + /// - without a remote address: this field is required. + /// + /// If this value is None, the send operation is equivalent to `send` in POSIX. Otherwise it is equivalent to `sendto`. + remote-address: option, + } + + /// A UDP socket handle. + @since(version = 0.2.0) + resource udp-socket { + /// Bind the socket to a specific network on the provided IP address and port. + /// + /// If the IP address is zero (`0.0.0.0` in IPv4, `::` in IPv6), it is left to the implementation to decide which + /// network interface(s) to bind to. + /// If the port is zero, the socket will be bound to a random free port. + /// + /// # Typical errors + /// - `invalid-argument`: The `local-address` has the wrong address family. (EAFNOSUPPORT, EFAULT on Windows) + /// - `invalid-state`: The socket is already bound. (EINVAL) + /// - `address-in-use`: No ephemeral ports available. (EADDRINUSE, ENOBUFS on Windows) + /// - `address-in-use`: Address is already in use. (EADDRINUSE) + /// - `address-not-bindable`: `local-address` is not an address that the `network` can bind to. (EADDRNOTAVAIL) + /// - `not-in-progress`: A `bind` operation is not in progress. + /// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN) + /// + /// # Implementors note + /// Unlike in POSIX, in WASI the bind operation is async. This enables + /// interactive WASI hosts to inject permission prompts. Runtimes that + /// don't want to make use of this ability can simply call the native + /// `bind` as part of either `start-bind` or `finish-bind`. + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + start-bind: func(network: borrow, local-address: ip-socket-address) -> result<_, error-code>; + @since(version = 0.2.0) + finish-bind: func() -> result<_, error-code>; + + /// Set up inbound & outbound communication channels, optionally to a specific peer. + /// + /// This function only changes the local socket configuration and does not generate any network traffic. + /// On success, the `remote-address` of the socket is updated. The `local-address` may be updated as well, + /// based on the best network path to `remote-address`. + /// + /// When a `remote-address` is provided, the returned streams are limited to communicating with that specific peer: + /// - `send` can only be used to send to this destination. + /// - `receive` will only return datagrams sent from the provided `remote-address`. + /// + /// This method may be called multiple times on the same socket to change its association, but + /// only the most recently returned pair of streams will be operational. Implementations may trap if + /// the streams returned by a previous invocation haven't been dropped yet before calling `stream` again. + /// + /// The POSIX equivalent in pseudo-code is: + /// ```text + /// if (was previously connected) { + /// connect(s, AF_UNSPEC) + /// } + /// if (remote_address is Some) { + /// connect(s, remote_address) + /// } + /// ``` + /// + /// Unlike in POSIX, the socket must already be explicitly bound. + /// + /// # Typical errors + /// - `invalid-argument`: The `remote-address` has the wrong address family. (EAFNOSUPPORT) + /// - `invalid-argument`: The IP address in `remote-address` is set to INADDR_ANY (`0.0.0.0` / `::`). (EDESTADDRREQ, EADDRNOTAVAIL) + /// - `invalid-argument`: The port in `remote-address` is set to 0. (EDESTADDRREQ, EADDRNOTAVAIL) + /// - `invalid-state`: The socket is not bound. + /// - `address-in-use`: Tried to perform an implicit bind, but there were no ephemeral ports available. (EADDRINUSE, EADDRNOTAVAIL on Linux, EAGAIN on BSD) + /// - `remote-unreachable`: The remote address is not reachable. (ECONNRESET, ENETRESET, EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET) + /// - `connection-refused`: The connection was refused. (ECONNREFUSED) + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + %stream: func(remote-address: option) -> result, error-code>; + + /// Get the current bound address. + /// + /// POSIX mentions: + /// > If the socket has not been bound to a local name, the value + /// > stored in the object pointed to by `address` is unspecified. + /// + /// WASI is stricter and requires `local-address` to return `invalid-state` when the socket hasn't been bound yet. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not bound to any local address. + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + local-address: func() -> result; + + /// Get the address the socket is currently streaming to. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not streaming to a specific remote address. (ENOTCONN) + /// + /// # References + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + remote-address: func() -> result; + + /// Whether this is a IPv4 or IPv6 socket. + /// + /// Equivalent to the SO_DOMAIN socket option. + @since(version = 0.2.0) + address-family: func() -> ip-address-family; + + /// Equivalent to the IP_TTL & IPV6_UNICAST_HOPS socket options. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The TTL value must be 1 or higher. + @since(version = 0.2.0) + unicast-hop-limit: func() -> result; + @since(version = 0.2.0) + set-unicast-hop-limit: func(value: u8) -> result<_, error-code>; + + /// The kernel buffer space reserved for sends/receives on this socket. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// I.e. after setting a value, reading the same setting back may return a different value. + /// + /// Equivalent to the SO_RCVBUF and SO_SNDBUF socket options. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The provided value was 0. + @since(version = 0.2.0) + receive-buffer-size: func() -> result; + @since(version = 0.2.0) + set-receive-buffer-size: func(value: u64) -> result<_, error-code>; + @since(version = 0.2.0) + send-buffer-size: func() -> result; + @since(version = 0.2.0) + set-send-buffer-size: func(value: u64) -> result<_, error-code>; + + /// Create a `pollable` which will resolve once the socket is ready for I/O. + /// + /// Note: this function is here for WASI 0.2 only. + /// It's planned to be removed when `future` is natively supported in Preview3. + @since(version = 0.2.0) + subscribe: func() -> pollable; + } + + @since(version = 0.2.0) + resource incoming-datagram-stream { + /// Receive messages on the socket. + /// + /// This function attempts to receive up to `max-results` datagrams on the socket without blocking. + /// The returned list may contain fewer elements than requested, but never more. + /// + /// This function returns successfully with an empty list when either: + /// - `max-results` is 0, or: + /// - `max-results` is greater than 0, but no results are immediately available. + /// This function never returns `error(would-block)`. + /// + /// # Typical errors + /// - `remote-unreachable`: The remote address is not reachable. (ECONNRESET, ENETRESET on Windows, EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET) + /// - `connection-refused`: The connection was refused. (ECONNREFUSED) + /// + /// # References + /// - + /// - + /// - + /// - + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + receive: func(max-results: u64) -> result, error-code>; + + /// Create a `pollable` which will resolve once the stream is ready to receive again. + /// + /// Note: this function is here for WASI 0.2 only. + /// It's planned to be removed when `future` is natively supported in Preview3. + @since(version = 0.2.0) + subscribe: func() -> pollable; + } + + @since(version = 0.2.0) + resource outgoing-datagram-stream { + /// Check readiness for sending. This function never blocks. + /// + /// Returns the number of datagrams permitted for the next call to `send`, + /// or an error. Calling `send` with more datagrams than this function has + /// permitted will trap. + /// + /// When this function returns ok(0), the `subscribe` pollable will + /// become ready when this function will report at least ok(1), or an + /// error. + /// + /// Never returns `would-block`. + check-send: func() -> result; + + /// Send messages on the socket. + /// + /// This function attempts to send all provided `datagrams` on the socket without blocking and + /// returns how many messages were actually sent (or queued for sending). This function never + /// returns `error(would-block)`. If none of the datagrams were able to be sent, `ok(0)` is returned. + /// + /// This function semantically behaves the same as iterating the `datagrams` list and sequentially + /// sending each individual datagram until either the end of the list has been reached or the first error occurred. + /// If at least one datagram has been sent successfully, this function never returns an error. + /// + /// If the input list is empty, the function returns `ok(0)`. + /// + /// Each call to `send` must be permitted by a preceding `check-send`. Implementations must trap if + /// either `check-send` was not called or `datagrams` contains more items than `check-send` permitted. + /// + /// # Typical errors + /// - `invalid-argument`: The `remote-address` has the wrong address family. (EAFNOSUPPORT) + /// - `invalid-argument`: The IP address in `remote-address` is set to INADDR_ANY (`0.0.0.0` / `::`). (EDESTADDRREQ, EADDRNOTAVAIL) + /// - `invalid-argument`: The port in `remote-address` is set to 0. (EDESTADDRREQ, EADDRNOTAVAIL) + /// - `invalid-argument`: The socket is in "connected" mode and `remote-address` is `some` value that does not match the address passed to `stream`. (EISCONN) + /// - `invalid-argument`: The socket is not "connected" and no value for `remote-address` was provided. (EDESTADDRREQ) + /// - `remote-unreachable`: The remote address is not reachable. (ECONNRESET, ENETRESET on Windows, EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET) + /// - `connection-refused`: The connection was refused. (ECONNREFUSED) + /// - `datagram-too-large`: The datagram is too large. (EMSGSIZE) + /// + /// # References + /// - + /// - + /// - + /// - + /// - + /// - + /// - + /// - + @since(version = 0.2.0) + send: func(datagrams: list) -> result; + + /// Create a `pollable` which will resolve once the stream is ready to send again. + /// + /// Note: this function is here for WASI 0.2 only. + /// It's planned to be removed when `future` is natively supported in Preview3. + @since(version = 0.2.0) + subscribe: func() -> pollable; + } +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/world.wit b/test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/world.wit new file mode 100644 index 0000000000..2f0ad0d7c9 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/deps/sockets/world.wit @@ -0,0 +1,19 @@ +package wasi:sockets@0.2.3; + +@since(version = 0.2.0) +world imports { + @since(version = 0.2.0) + import instance-network; + @since(version = 0.2.0) + import network; + @since(version = 0.2.0) + import udp; + @since(version = 0.2.0) + import udp-create-socket; + @since(version = 0.2.0) + import tcp; + @since(version = 0.2.0) + import tcp-create-socket; + @since(version = 0.2.0) + import ip-name-lookup; +} diff --git a/test-components/wasi-http-incoming-request-handler-state/wit/world.wit b/test-components/wasi-http-incoming-request-handler-state/wit/world.wit new file mode 100644 index 0000000000..85633a60d5 --- /dev/null +++ b/test-components/wasi-http-incoming-request-handler-state/wit/world.wit @@ -0,0 +1,6 @@ +package golem:handler; + +world api { + import wasi:http/types@0.2.3; + export wasi:http/incoming-handler@0.2.3; +} From aff4c34b7562ddd53afc49c82facf361accbf3c2 Mon Sep 17 00:00:00 2001 From: Maxim Schuwalow Date: Tue, 21 Jan 2025 11:20:04 +0100 Subject: [PATCH 7/7] remove debug log --- golem-worker-executor-base/src/invocation.rs | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/golem-worker-executor-base/src/invocation.rs b/golem-worker-executor-base/src/invocation.rs index 977637bc69..d411765e51 100644 --- a/golem-worker-executor-base/src/invocation.rs +++ b/golem-worker-executor-base/src/invocation.rs @@ -487,16 +487,9 @@ async fn invoke_http_handler( let out = receiver.await; - tracing::warn!("received response {:?}", out); - let res_or_error = match out { Ok(Ok(resp)) => { - let out = - virtual_export_compat::http_incoming_handler::http_response_to_output(resp).await; - - tracing::warn!("out: ${:?}", out); - - Ok(out?) + Ok(virtual_export_compat::http_incoming_handler::http_response_to_output(resp).await?) } Ok(Err(e)) => Err(anyhow::Error::from(e)), Err(_) => {