remove log

Author: ginuerzh

relay.go

@@ -271,22 +271,23 @@ func (c *relayConn) Read(b []byte) (n int, err error) {
 		resp := new(relay.Response)
 		_, err = resp.ReadFrom(c.Conn)
 		if err != nil {
-			log.Log("[relay] read:", err)
 			return
 		}
 		if resp.Version != relay.Version1 {
 			err = relay.ErrBadVersion
-			log.Log("[relay] read:", err)
 			return
 		}
 		if resp.Status != relay.StatusOK {
 			err = fmt.Errorf("status %d", resp.Status)
-			log.Log("[relay] read:", err)
 			return
 		}
-		log.Log("[relay] read response OK")
 	})
 
+	if err != nil {
+		log.Log("[relay] %s <- %s: %s", c.Conn.LocalAddr(), c.Conn.RemoteAddr(), err)
+		return
+	}
+
 	if !c.udp {
 		return c.Conn.Read(b)
 	}
@@ -296,7 +297,6 @@ func (c *relayConn) Read(b []byte) (n int, err error) {
 		return
 	}
 	dlen := int(binary.BigEndian.Uint16(bb[:]))
-	log.Log("[relay] read udp", dlen)
 	if len(b) >= dlen {
 		return io.ReadFull(c.Conn, b[:dlen])
 	}
@@ -325,7 +325,6 @@ func (c *relayConn) Write(b []byte) (n int, err error) {
 			c.wbuf.Write(bb[:])
 		}
 		c.wbuf.Write(b) // append the data to the cached header
-		log.Log("[relay] write wbuf", len(b))
 		// _, err = c.Conn.Write(c.wbuf.Bytes())
 		// c.wbuf.Reset()
 		_, err = c.wbuf.WriteTo(c.Conn)
@@ -339,7 +338,6 @@ func (c *relayConn) Write(b []byte) (n int, err error) {
 	binary.BigEndian.PutUint16(buf[:2], uint16(len(b)))
 	n = copy(buf[2:], b)
 	_, err = c.Conn.Write(buf)
-	log.Log("[relay] write", n)
 	return
 }