fix lint warnings for websocket

transport/internet/websocket/connection.go

@@ -17,7 +17,7 @@ var (
 
 // connection is a wrapper for net.Conn over WebSocket connection.
 type connection struct {
-	wsc    *websocket.Conn
+	conn   *websocket.Conn
 	reader io.Reader
 
 	mergingReader buf.Reader
@@ -26,7 +26,7 @@ type connection struct {
 
 func newConnection(conn *websocket.Conn) *connection {
 	return &connection{
-		wsc: conn,
+		conn: conn,
 	}
 }
 
@@ -59,7 +59,7 @@ func (c *connection) getReader() (io.Reader, error) {
 		return c.reader, nil
 	}
 
-	_, reader, err := c.wsc.NextReader()
+	_, reader, err := c.conn.NextReader()
 	if err != nil {
 		return nil, err
 	}
@@ -69,7 +69,7 @@ func (c *connection) getReader() (io.Reader, error) {
 
 // Write implements io.Writer.
 func (c *connection) Write(b []byte) (int, error) {
-	if err := c.wsc.WriteMessage(websocket.BinaryMessage, b); err != nil {
+	if err := c.conn.WriteMessage(websocket.BinaryMessage, b); err != nil {
 		return 0, err
 	}
 	return len(b), nil
@@ -83,16 +83,16 @@ func (c *connection) WriteMultiBuffer(mb buf.MultiBuffer) error {
 }
 
 func (c *connection) Close() error {
-	c.wsc.WriteControl(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseNormalClosure, ""), time.Now().Add(time.Second*5))
-	return c.wsc.Close()
+	c.conn.WriteControl(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseNormalClosure, ""), time.Now().Add(time.Second*5))
+	return c.conn.Close()
 }
 
 func (c *connection) LocalAddr() net.Addr {
-	return c.wsc.LocalAddr()
+	return c.conn.LocalAddr()
 }
 
 func (c *connection) RemoteAddr() net.Addr {
-	return c.wsc.RemoteAddr()
+	return c.conn.RemoteAddr()
 }
 
 func (c *connection) SetDeadline(t time.Time) error {
@@ -103,9 +103,9 @@ func (c *connection) SetDeadline(t time.Time) error {
 }
 
 func (c *connection) SetReadDeadline(t time.Time) error {
-	return c.wsc.SetReadDeadline(t)
+	return c.conn.SetReadDeadline(t)
 }
 
 func (c *connection) SetWriteDeadline(t time.Time) error {
-	return c.wsc.SetWriteDeadline(t)
+	return c.conn.SetWriteDeadline(t)
 }

transport/internet/websocket/dialer.go

@@ -68,7 +68,5 @@ func dialWebsocket(ctx context.Context, dest net.Destination) (net.Conn, error)
 		return nil, newError("failed to dial to (", uri, "): ", reason).Base(err)
 	}
 
-	return &connection{
-		wsc: conn,
-	}, nil
+	return newConnection(conn), nil
 }

transport/internet/websocket/hub.go

@@ -90,19 +90,24 @@ func (ln *Listener) listenws(address net.Address, port net.Port) error {
 	ln.listener = listener
 
 	go func() {
-		http.Serve(listener, &requestHandler{
+		err := http.Serve(listener, &requestHandler{
 			path: ln.config.GetNormailzedPath(),
 			ln:   ln,
 		})
+		if err != nil {
+			log.Trace(newError("failed to serve http for WebSocket").Base(err).AtWarning())
+		}
 	}()
 
 	return nil
 }
 
+// Addr implements net.Listener.Addr().
 func (ln *Listener) Addr() net.Addr {
 	return ln.listener.Addr()
 }
 
+// Close implements net.Listener.Close().
 func (ln *Listener) Close() error {
 	return ln.listener.Close()
 }

transport/internet/websocket/ws_test.go

@@ -6,6 +6,7 @@ import (
 	"testing"
 	"time"
 
+	"v2ray.com/core/common"
 	"v2ray.com/core/common/net"
 	"v2ray.com/core/testing/assert"
 	tlsgen "v2ray.com/core/testing/tls"
@@ -88,7 +89,7 @@ func Test_listenWSAndDial_TLS(t *testing.T) {
 	})
 	listen, err := ListenWS(ctx, net.DomainAddress("localhost"), 13143, func(ctx context.Context, conn internet.Connection) bool {
 		go func() {
-			conn.Close()
+			common.Must(conn.Close())
 		}()
 		return true
 	})
@@ -97,5 +98,5 @@ func Test_listenWSAndDial_TLS(t *testing.T) {
 
 	conn, err := Dial(ctx, net.TCPDestination(net.DomainAddress("localhost"), 13143))
 	assert.Error(err).IsNil()
-	conn.Close()
+	common.Must(conn.Close())
 }