veilid-dht-get

#!/usr/bin/env bash

if [ "$1" == "" -o "$1" == "--help" -o "$1" == "-h" ];then
  printf 'usage: veilid-dht-get <key> [<subkey>]\n'
  exit 1
fi

if [ "$1" != "socat" ];then
  ### deal with arguments in here and export them
  export key="$(printf "%s" "$1" | cut -d/ -f1 | sed 's/^VLD0://i')"
  if grep '/' <<< "$1" 2>&1 >/dev/null;then
    export subkey="$(printf "%s\n" "$1" | cut -d/ -f2-)"
  else
    export subkey=0
  fi
#  echo "key: $key"
#  echo "subkey: $subkey"
  exec ncat 127.0.0.1 5959 -c "$0 socat" 2>&1
else
  shift
fi

printf '{"op":"NewRoutingContext"}\n'
state=0
stdbuf -oL jq -nc 'inputs | select(.type != "Update")' | while read -r line;do
  #type="$(jq -r .type <<< "$line")"
  #if [ "$type" == "Update" ];then
  #  continue
  #fi
  #printf 'resp: %s\n' "$line" >&2
  case "$state" in
    0)
      rc_id="$(jq -r .value <<< "${line}")"
      printf '{"op":"RoutingContext","rc_id":%d,"rc_op":"OpenDhtRecord","key":"%s"}\n' "${rc_id}" "${key}"
    ;;
    1)
      error="$(jq -r '.error.kind//""' <<< "$line")"
      if [ "$error" ];then
        printf '\nQUIT :what? this isnt woodshop?\r\n'
      else
        printf '{"op":"RoutingContext","rc_id":%d,"rc_op":"GetDhtValue","key":"%s","subkey":%d,"force_refresh":true}\n' "${rc_id}" "${key}" "${subkey}"
      fi
    ;;
    2)
      error="$(jq -r '.error.kind//""' <<< "$line")"
      if [ "$error" ];then
        printf '{"op":"RoutingContext","rc_id":%d,"rc_op":"GetDhtValue","key":"%s","subkey":%d,"force_refresh":false}\n' "${rc_id}" "${key}" "${subkey}"
      else
        jq -r '.value.data//""' <<< "$line" | tr -d '\n' | ./deb64url >&2
        printf '\n' >&2 #just because it is weird not having a newline at the end of stuff.
        printf '{"op":"RoutingContext","rc_id":%d,"rc_op":"CloseDhtRecord","key":"%s"}\n' "${rc_id}" "${key}"
        printf '\nQUIT :what? this isnt woodshop?\r\n'
      fi
    ;;
    3)
      error="$(jq -r '.error.kind//""' <<< "$line")"
      if [ "$error" ];then
        printf '{"op":"RoutingContext","rc_id":%d,"rc_op":"GetDhtValue","key":"%s","subkey":%d,"force_refresh":false}\n' "${rc_id}" "${key}" "${subkey}"
      else
        jq -r '.value.data//""' <<< "$line" | tr -d '\n' | deb64url >&2
        printf '\n' >&2 #just because it is weird not having a newline at the end of stuff.
        printf '{"op":"RoutingContext","rc_id":%d,"rc_op":"CloseDhtRecord","key":"%s"}\n' "${rc_id}" "${key}"
      fi
      printf '\nQUIT :what? this isnt woodshop?\r\n'
    ;;
    *)
      echo 'state: ' "$state" >&2
    ;;
  esac
  state=$[$state+1]
done #| tee /dev/stderr