more detail log

conn.go

@@ -144,14 +144,14 @@ func handleConn(conn net.Conn, arg Args) {
 		method := selector.Select(methods...)
 		if _, err := conn.Write([]byte{gosocks5.Ver5, method}); err != nil {
 			if glog.V(LWARNING) {
-				glog.Warningln("socks5:", err)
+				glog.Warningln("socks5 select:", err)
 			}
 			return
 		}
 		c, err := selector.OnSelected(method, conn)
 		if err != nil {
 			if glog.V(LWARNING) {
-				glog.Warningln("socks5:", err)
+				glog.Warningln("socks5 onselected:", err)
 			}
 			return
 		}
@@ -160,7 +160,7 @@ func handleConn(conn net.Conn, arg Args) {
 		req, err := gosocks5.ReadRequest(conn)
 		if err != nil {
 			if glog.V(LWARNING) {
-				glog.Warningln("socks5:", err)
+				glog.Warningln("socks5 request:", err)
 			}
 			return
 		}

socks.go

@@ -409,8 +409,10 @@ func createClientConn(conn net.Conn, uconn *net.UDPConn) (c *UDPConn, dgram *gos
 	select {
 	case dgram = <-dgramChan:
 		if raddr != nil {
+			glog.V(LINFO).Infoln("[udp] client", raddr)
 			c = Client(uconn, raddr)
 		} else {
+			glog.V(LINFO).Infoln("[udp] tunnel")
 			c = Client(conn, nil)
 		}
 	case err = <-errChan:
@@ -451,6 +453,7 @@ func createServerConn(uconn *net.UDPConn, addr net.Addr) (c *UDPConn, err error)
 		fconn.Close()
 		return nil, errors.New("Failure")
 	}
+	glog.V(LINFO).Infoln("forward udp associate, on", rep.Addr, "OK")
 
 	c = Server(fconn)
 	return