func (this *VMessInboundHandler) HandleConnection(connection *hub.TCPConn) { defer connection.Close() connReader := v2net.NewTimeOutReader(16, connection) requestReader := protocol.NewVMessRequestReader(this.clients) request, err := requestReader.Read(connReader) if err != nil { log.Access(connection.RemoteAddr(), serial.StringLiteral(""), log.AccessRejected, serial.StringLiteral(err.Error())) log.Warning("VMessIn: Invalid request from ", connection.RemoteAddr(), ": ", err) return } log.Access(connection.RemoteAddr(), request.Address, log.AccessAccepted, serial.StringLiteral("")) log.Debug("VMessIn: Received request for ", request.Address) ray := this.packetDispatcher.DispatchToOutbound(v2net.NewPacket(request.Destination(), nil, true)) input := ray.InboundInput() output := ray.InboundOutput() var readFinish, writeFinish sync.Mutex readFinish.Lock() writeFinish.Lock() userSettings := vmess.GetUserSettings(request.User.Level) connReader.SetTimeOut(userSettings.PayloadReadTimeout) go handleInput(request, connReader, input, &readFinish) responseKey := md5.Sum(request.RequestKey) responseIV := md5.Sum(request.RequestIV) aesStream, err := v2crypto.NewAesEncryptionStream(responseKey[:], responseIV[:]) if err != nil { log.Error("VMessIn: Failed to create AES decryption stream: ", err) close(input) return } responseWriter := v2crypto.NewCryptionWriter(aesStream, connection) // Optimize for small response packet buffer := alloc.NewLargeBuffer().Clear() defer buffer.Release() buffer.AppendBytes(request.ResponseHeader, byte(0)) this.generateCommand(buffer) if data, open := <-output; open { buffer.Append(data.Value) data.Release() responseWriter.Write(buffer.Value) go handleOutput(request, responseWriter, output, &writeFinish) writeFinish.Lock() } connection.CloseWrite() readFinish.Lock() }
func (this *VMessInboundHandler) HandleConnection(connection *hub.TCPConn) { defer connection.Close() connReader := v2net.NewTimeOutReader(16, connection) reader := v2io.NewBufferedReader(connReader) session := raw.NewServerSession(this.clients) request, err := session.DecodeRequestHeader(reader) if err != nil { log.Access(connection.RemoteAddr(), serial.StringLiteral(""), log.AccessRejected, serial.StringLiteral(err.Error())) log.Warning("VMessIn: Invalid request from ", connection.RemoteAddr(), ": ", err) return } log.Access(connection.RemoteAddr(), request.Destination(), log.AccessAccepted, serial.StringLiteral("")) log.Debug("VMessIn: Received request for ", request.Destination()) ray := this.packetDispatcher.DispatchToOutbound(v2net.NewPacket(request.Destination(), nil, true)) input := ray.InboundInput() output := ray.InboundOutput() var readFinish, writeFinish sync.Mutex readFinish.Lock() writeFinish.Lock() userSettings := proto.GetUserSettings(request.User.Level) connReader.SetTimeOut(userSettings.PayloadReadTimeout) reader.SetCached(false) go func() { defer close(input) defer readFinish.Unlock() bodyReader := session.DecodeRequestBody(reader) var requestReader v2io.Reader if request.Option.IsChunkStream() { requestReader = vmessio.NewAuthChunkReader(bodyReader) } else { requestReader = v2io.NewAdaptiveReader(bodyReader) } v2io.ReaderToChan(input, requestReader) }() writer := v2io.NewBufferedWriter(connection) response := &proto.ResponseHeader{ Command: this.generateCommand(request), } session.EncodeResponseHeader(response, writer) bodyWriter := session.EncodeResponseBody(writer) // Optimize for small response packet if data, open := <-output; open { if request.Option.IsChunkStream() { vmessio.Authenticate(data) } bodyWriter.Write(data.Value) data.Release() writer.SetCached(false) go func(finish *sync.Mutex) { var writer v2io.Writer = v2io.NewAdaptiveWriter(bodyWriter) if request.Option.IsChunkStream() { writer = vmessio.NewAuthChunkWriter(writer) } v2io.ChanToWriter(writer, output) finish.Unlock() }(&writeFinish) writeFinish.Lock() } connection.CloseWrite() readFinish.Lock() }