func (this *VMessInboundHandler) HandleConnection(connection internet.Connection) { defer connection.Close() if !this.accepting { return } connReader := v2net.NewTimeOutReader(8, connection) defer connReader.Release() reader := v2io.NewBufferedReader(connReader) defer reader.Release() this.RLock() if !this.accepting { this.RUnlock() return } session := raw.NewServerSession(this.clients) defer session.Release() request, err := session.DecodeRequestHeader(reader) this.RUnlock() if err != nil { if err != io.EOF { log.Access(connection.RemoteAddr(), "", log.AccessRejected, err) log.Warning("VMessIn: Invalid request from ", connection.RemoteAddr(), ": ", err) } connection.SetReusable(false) return } log.Access(connection.RemoteAddr(), request.Destination(), log.AccessAccepted, "") log.Info("VMessIn: Received request for ", request.Destination()) connection.SetReusable(request.Option.Has(protocol.RequestOptionConnectionReuse)) ray := this.packetDispatcher.DispatchToOutbound(request.Destination()) input := ray.InboundInput() output := ray.InboundOutput() defer input.Close() defer output.Release() var readFinish sync.Mutex readFinish.Lock() userSettings := protocol.GetUserSettings(request.User.Level) connReader.SetTimeOut(userSettings.PayloadReadTimeout) reader.SetCached(false) go func() { bodyReader := session.DecodeRequestBody(reader) var requestReader v2io.Reader if request.Option.Has(protocol.RequestOptionChunkStream) { requestReader = vmessio.NewAuthChunkReader(bodyReader) } else { requestReader = v2io.NewAdaptiveReader(bodyReader) } err := v2io.Pipe(requestReader, input) if err != io.EOF { connection.SetReusable(false) } requestReader.Release() input.Close() readFinish.Unlock() }() writer := v2io.NewBufferedWriter(connection) defer writer.Release() response := &protocol.ResponseHeader{ Command: this.generateCommand(request), } if connection.Reusable() { response.Option.Set(protocol.ResponseOptionConnectionReuse) } session.EncodeResponseHeader(response, writer) bodyWriter := session.EncodeResponseBody(writer) var v2writer v2io.Writer = v2io.NewAdaptiveWriter(bodyWriter) if request.Option.Has(protocol.RequestOptionChunkStream) { v2writer = vmessio.NewAuthChunkWriter(v2writer) } // Optimize for small response packet if data, err := output.Read(); err == nil { if err := v2writer.Write(data); err != nil { connection.SetReusable(false) } writer.SetCached(false) err = v2io.Pipe(output, v2writer) if err != io.EOF { connection.SetReusable(false) } } output.Release() if request.Option.Has(protocol.RequestOptionChunkStream) { if err := v2writer.Write(alloc.NewSmallBuffer().Clear()); err != nil { connection.SetReusable(false) } } v2writer.Release() 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() }