fix usage of ray stream.

proxy/dokodemo/dokodemo.go

@@ -167,7 +167,8 @@ func (v *DokodemoDoor) HandleTCPConnection(conn internet.Connection) {
 		Destination: dest,
 		Inbound:     v.meta,
 	})
-	defer ray.InboundOutput().Release()
+	output := ray.InboundOutput()
+	defer output.ForceClose()
 
 	reader := v2net.NewTimeOutReader(v.config.Timeout, conn)
 	defer reader.Release()
@@ -187,19 +188,21 @@ func (v *DokodemoDoor) HandleTCPConnection(conn internet.Connection) {
 	})
 
 	responseDone := signal.ExecuteAsync(func() error {
-		defer ray.InboundOutput().Release()
+		defer output.ForceClose()
 
 		v2writer := buf.NewWriter(conn)
 		defer v2writer.Release()
 
-		if err := buf.PipeUntilEOF(ray.InboundOutput(), v2writer); err != nil {
+		if err := buf.PipeUntilEOF(output, v2writer); err != nil {
 			log.Info("Dokodemo: Failed to transport all TCP response: ", err)
 			return err
 		}
 		return nil
 	})
 
-	signal.ErrorOrFinish2(requestDone, responseDone)
+	if err := signal.ErrorOrFinish2(requestDone, responseDone); err != nil {
+		log.Info("Dokodemo: Connection ends with ", err)
+	}
 }
 
 type Factory struct{}

proxy/freedom/freedom.go

@@ -71,8 +71,10 @@ func (v *Handler) Dispatch(destination v2net.Destination, payload *buf.Buffer, r
 	log.Info("Freedom: Opening connection to ", destination)
 
 	defer payload.Release()
-	defer ray.OutboundInput().Release()
-	defer ray.OutboundOutput().Close()
+	input := ray.OutboundInput()
+	output := ray.OutboundOutput()
+	defer input.ForceClose()
+	defer output.Close()
 
 	var conn internet.Connection
 	if v.domainStrategy == Config_USE_IP && destination.Address.Family().IsDomain() {
@@ -92,9 +94,6 @@ func (v *Handler) Dispatch(destination v2net.Destination, payload *buf.Buffer, r
 	}
 	defer conn.Close()
 
-	input := ray.OutboundInput()
-	output := ray.OutboundOutput()
-
 	if !payload.IsEmpty() {
 		if _, err := conn.Write(payload.Bytes()); err != nil {
 			log.Warning("Freedom: Failed to write to destination: ", destination, ": ", err)
@@ -103,7 +102,7 @@ func (v *Handler) Dispatch(destination v2net.Destination, payload *buf.Buffer, r
 	}
 
 	requestDone := signal.ExecuteAsync(func() error {
-		defer input.Release()
+		defer input.ForceClose()
 
 		v2writer := buf.NewWriter(conn)
 		defer v2writer.Release()

proxy/http/server.go

@@ -169,7 +169,7 @@ func (v *Server) handleConnect(request *http.Request, session *proxy.SessionInfo
 	})
 
 	responseDone := signal.ExecuteAsync(func() error {
-		defer ray.InboundOutput().Release()
+		defer ray.InboundOutput().ForceClose()
 
 		v2writer := buf.NewWriter(writer)
 		defer v2writer.Release()
@@ -236,9 +236,14 @@ func (v *Server) handlePlainHTTP(request *http.Request, session *proxy.SessionIn
 	StripHopByHopHeaders(request)
 
 	ray := v.packetDispatcher.DispatchToOutbound(session)
+	input := ray.InboundInput()
+	output := ray.InboundOutput()
+
+	defer input.Close()
+	defer output.ForceClose()
 
 	requestDone := signal.ExecuteAsync(func() error {
-		defer ray.InboundInput().Close()
+		defer input.Close()
 
 		requestWriter := bufio.NewWriter(buf.NewBytesWriter(ray.InboundInput()))
 		defer requestWriter.Release()
@@ -254,7 +259,7 @@ func (v *Server) handlePlainHTTP(request *http.Request, session *proxy.SessionIn
 	})
 
 	responseDone := signal.ExecuteAsync(func() error {
-		defer ray.InboundOutput().Release()
+		defer output.ForceClose()
 
 		responseReader := bufio.OriginalReader(buf.NewBytesReader(ray.InboundOutput()))
 		response, err := http.ReadResponse(responseReader, request)

proxy/shadowsocks/client.go

@@ -109,7 +109,7 @@ func (v *Client) Dispatch(destination v2net.Destination, payload *buf.Buffer, ra
 		bufferedWriter.SetBuffered(false)
 
 		requestDone := signal.ExecuteAsync(func() error {
-			defer ray.OutboundInput().Release()
+			defer ray.OutboundInput().ForceClose()
 
 			if err := buf.PipeUntilEOF(ray.OutboundInput(), bodyWriter); err != nil {
 				return err
@@ -151,7 +151,7 @@ func (v *Client) Dispatch(destination v2net.Destination, payload *buf.Buffer, ra
 		}
 
 		requestDone := signal.ExecuteAsync(func() error {
-			defer ray.OutboundInput().Release()
+			defer ray.OutboundInput().ForceClose()
 
 			if err := buf.PipeUntilEOF(ray.OutboundInput(), writer); err != nil {
 				log.Info("Shadowsocks|Client: Failed to transport all UDP request: ", err)

proxy/shadowsocks/server.go

@@ -175,11 +175,11 @@ func (v *Server) handleConnection(conn internet.Connection) {
 		User:        request.User,
 		Inbound:     v.meta,
 	})
-	defer ray.InboundOutput().Release()
+	defer ray.InboundOutput().ForceClose()
 	defer ray.InboundInput().Close()
 
 	requestDone := signal.ExecuteAsync(func() error {
-		defer ray.InboundOutput().Release()
+		defer ray.InboundOutput().ForceClose()
 
 		bufferedWriter := bufio.NewWriter(conn)
 		defer bufferedWriter.Release()

proxy/socks/server.go

@@ -314,7 +314,7 @@ func (v *Server) transport(reader io.Reader, writer io.Writer, session *proxy.Se
 	})
 
 	responseDone := signal.ExecuteAsync(func() error {
-		defer output.Release()
+		defer output.ForceClose()
 
 		v2writer := buf.NewWriter(writer)
 		defer v2writer.Release()

proxy/vmess/inbound/inbound.go

@@ -143,7 +143,7 @@ func transferRequest(session *encoding.ServerSession, request *protocol.RequestH
 }
 
 func transferResponse(session *encoding.ServerSession, request *protocol.RequestHeader, response *protocol.ResponseHeader, input ray.InputStream, output io.Writer) error {
-	defer input.Release()
+	defer input.ForceClose()
 	session.EncodeResponseHeader(response, output)
 
 	bodyWriter := session.EncodeResponseBody(request, output)
@@ -218,7 +218,7 @@ func (v *VMessInboundHandler) HandleConnection(connection internet.Connection) {
 	input := ray.InboundInput()
 	output := ray.InboundOutput()
 	defer input.Close()
-	defer output.Release()
+	defer output.ForceClose()
 
 	userSettings := request.User.GetSettings()
 	connReader.SetTimeOut(userSettings.PayloadReadTimeout)

proxy/vmess/outbound/outbound.go

@@ -28,7 +28,7 @@ type VMessOutboundHandler struct {
 // Dispatch implements OutboundHandler.Dispatch().
 func (v *VMessOutboundHandler) Dispatch(target v2net.Destination, payload *buf.Buffer, ray ray.OutboundRay) {
 	defer payload.Release()
-	defer ray.OutboundInput().Release()
+	defer ray.OutboundInput().ForceClose()
 	defer ray.OutboundOutput().Close()
 
 	var rec *protocol.ServerSpec
@@ -83,7 +83,7 @@ func (v *VMessOutboundHandler) Dispatch(target v2net.Destination, payload *buf.B
 	session := encoding.NewClientSession(protocol.DefaultIDHash)
 
 	requestDone := signal.ExecuteAsync(func() error {
-		defer input.Release()
+		defer input.ForceClose()
 
 		writer := bufio.NewWriter(conn)
 		defer writer.Release()

transport/ray/ray.go

@@ -35,12 +35,10 @@ type Ray interface {
 
 type InputStream interface {
 	buf.Reader
-	Close()
 	ForceClose()
 }
 
 type OutputStream interface {
 	buf.Writer
 	Close()
-	ForceClose()
 }