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[NOD-1151] Added gRPC server for seeding peers
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,5 +1,6 @@ | ||
| # Temp files | ||
| *~ | ||
| testdata | ||
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| # Databases | ||
| kaspad.db | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| package main | ||
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| import ( | ||
| "fmt" | ||
| "github.com/kaspanet/kaspad/rpc/client" | ||
| "strings" | ||
| ) | ||
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| func main() { | ||
| connCfg := &client.ConnConfig{ | ||
| Host: "localhost:16630", | ||
| User: "test", | ||
| Pass: "test", | ||
| HTTPPostMode: true, | ||
| DisableTLS: true, | ||
| } | ||
| cl, err := client.New(connCfg, nil) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
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| res, err := cl.GetPeerAddresses() | ||
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| if err != nil { | ||
| panic(err) | ||
| } | ||
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| var ips []string | ||
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| for _, address := range res.Addresses { | ||
| ips = append(ips, address.Addr) | ||
| } | ||
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| fmt.Printf(strings.Join(ips, ",")) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| package main | ||
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| import ( | ||
| "context" | ||
| "fmt" | ||
| pb2 "github.com/kaspanet/kaspad/dnsseed/pb" | ||
| "github.com/kaspanet/kaspad/util/subnetworkid" | ||
| "github.com/kaspanet/kaspad/wire" | ||
| "github.com/miekg/dns" | ||
| "github.com/pkg/errors" | ||
| "google.golang.org/grpc" | ||
| "net" | ||
| ) | ||
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| type GRPCServer interface { | ||
| Start(listenInterface string) error | ||
| Stop() | ||
| } | ||
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| type grpcServer struct { | ||
| pb2.UnimplementedPeerServiceServer | ||
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| server *grpc.Server | ||
| amgr *Manager | ||
| } | ||
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| func NewGRPCServer(amgr *Manager) GRPCServer { | ||
| return &grpcServer{ amgr: amgr } | ||
| } | ||
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| func (s *grpcServer) Start(listenInterface string) error { | ||
| s.server = grpc.NewServer() | ||
| pb2.RegisterPeerServiceServer(s.server, s) | ||
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| lis, err := net.Listen("tcp", fmt.Sprintf(listenInterface)) | ||
| if err != nil { | ||
| return errors.WithStack(err) | ||
| } | ||
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| spawn("gRPC server", func() { | ||
| err = s.server.Serve(lis) | ||
| if err != nil { | ||
| fmt.Printf("%+v", err) | ||
| } | ||
| }) | ||
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| return nil | ||
| } | ||
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| func (s *grpcServer) Stop() { | ||
| s.server.Stop() | ||
| s.server = nil | ||
| } | ||
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| func (s *grpcServer) GetPeersList(ctx context.Context, req *pb2.GetPeersListRequest) (*pb2.GetPeersListResponse, error) { | ||
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| subnetworkID, err := FromProtobufSubnetworkID(req.SubnetworkID) | ||
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| if err != nil { | ||
| return nil, err | ||
| } | ||
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| // mb, we should move DNS-related logic out of manager? | ||
| ipv4Addresses := s.amgr.GoodAddresses(dns.TypeA, wire.ServiceFlag(req.ServiceFlag), req.IncludeAllSubnetworks, subnetworkID) | ||
| ipv6Addresses := s.amgr.GoodAddresses(dns.TypeAAAA, wire.ServiceFlag(req.ServiceFlag), req.IncludeAllSubnetworks, subnetworkID) | ||
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| addresses := ToProtobufAddresses(append(ipv4Addresses, ipv6Addresses...)) | ||
| log.Error("ADDRESSES: %+v", addresses) | ||
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| return &pb2.GetPeersListResponse{ Addresses: addresses}, nil | ||
| } | ||
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| func FromProtobufSubnetworkID(proto []byte) (*subnetworkid.SubnetworkID, error) { | ||
| if len(proto) == 0 { | ||
| return nil, nil | ||
| } | ||
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| subnetworkID, err := subnetworkid.New(proto) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
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| return subnetworkID, nil | ||
| } | ||
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| func ToProtobufAddresses(addresses []*wire.NetAddress) []*pb2.NetAddress { | ||
| var protoAddresses []*pb2.NetAddress | ||
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| for _, addr := range addresses { | ||
| proto := &pb2.NetAddress{ | ||
| Timestamp: addr.Timestamp.UnixSeconds(), | ||
| Services: uint64(addr.Services), | ||
| IP: []byte(addr.IP), | ||
| Port: uint32(addr.Port), | ||
| } | ||
| protoAddresses = append(protoAddresses, proto) | ||
| } | ||
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| return protoAddresses | ||
| } |
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