Suppress expected error

inbound/naive.go

@@ -603,5 +603,8 @@ func wrapHttpError(err error) error {
 	if strings.Contains(err.Error(), "body closed by handler") {
 		return net.ErrClosed
 	}
+	if strings.Contains(err.Error(), "canceled with error code 268") {
+		return io.EOF
+	}
 	return err
 }

transport/v2raygrpc/conn.go

@@ -102,5 +102,8 @@ func wrapError(err error) error {
 	if strings.Contains(err.Error(), "EOF") {
 		return io.EOF
 	}
+	if strings.Contains(err.Error(), "the client connection is closing") {
+		return net.ErrClosed
+	}
 	return err
 }

transport/v2rayhttp/conn.go

@@ -8,6 +8,7 @@ import (
 	"time"
 
 	"github.com/sagernet/sing/common"
+	E "github.com/sagernet/sing/common/exceptions"
 )
 
 type HTTPConn struct {
@@ -16,11 +17,13 @@ type HTTPConn struct {
 }
 
 func (c *HTTPConn) Read(b []byte) (n int, err error) {
-	return c.reader.Read(b)
+	n, err = c.reader.Read(b)
+	return n, wrapError(err)
 }
 
 func (c *HTTPConn) Write(b []byte) (n int, err error) {
-	return c.writer.Write(b)
+	n, err = c.writer.Write(b)
+	return n, wrapError(err)
 }
 
 func (c *HTTPConn) Close() error {
@@ -59,3 +62,10 @@ func (c *ServerHTTPConn) Write(b []byte) (n int, err error) {
 	}
 	return
 }
+
+func wrapError(err error) error {
+	if E.IsMulti(err, io.ErrUnexpectedEOF) {
+		return io.EOF
+	}
+	return err
+}