merge ss and ssu

pkg/handler/transport.go

@@ -1,7 +1,9 @@
 package handler
 
 import (
+	"bufio"
 	"io"
+	"net"
 
 	"github.com/go-gost/gost/pkg/internal/bufpool"
 )
@@ -30,3 +32,19 @@ func copyBuffer(dst io.Writer, src io.Reader) error {
 	_, err := io.CopyBuffer(dst, src, buf)
 	return err
 }
+
+type bufferReaderConn struct {
+	net.Conn
+	br *bufio.Reader
+}
+
+func NewBufferReaderConn(conn net.Conn, br *bufio.Reader) net.Conn {
+	return &bufferReaderConn{
+		Conn: conn,
+		br:   br,
+	}
+}
+
+func (c *bufferReaderConn) Read(b []byte) (int, error) {
+	return c.br.Read(b)
+}