use new log package (#4054)

client/admin_api.go

@@ -76,9 +76,9 @@ func (svr *Service) apiReload(w http.ResponseWriter, r *http.Request) {
 		strictConfigMode, _ = strconv.ParseBool(strictStr)
 	}
 
-	log.Info("api request [/api/reload]")
+	log.Infof("api request [/api/reload]")
 	defer func() {
-		log.Info("api response [/api/reload], code [%d]", res.Code)
+		log.Infof("api response [/api/reload], code [%d]", res.Code)
 		w.WriteHeader(res.Code)
 		if len(res.Msg) > 0 {
 			_, _ = w.Write([]byte(res.Msg))
@@ -89,32 +89,32 @@ func (svr *Service) apiReload(w http.ResponseWriter, r *http.Request) {
 	if err != nil {
 		res.Code = 400
 		res.Msg = err.Error()
-		log.Warn("reload frpc proxy config error: %s", res.Msg)
+		log.Warnf("reload frpc proxy config error: %s", res.Msg)
 		return
 	}
 	if _, err := validation.ValidateAllClientConfig(cliCfg, proxyCfgs, visitorCfgs); err != nil {
 		res.Code = 400
 		res.Msg = err.Error()
-		log.Warn("reload frpc proxy config error: %s", res.Msg)
+		log.Warnf("reload frpc proxy config error: %s", res.Msg)
 		return
 	}
 
 	if err := svr.UpdateAllConfigurer(proxyCfgs, visitorCfgs); err != nil {
 		res.Code = 500
 		res.Msg = err.Error()
-		log.Warn("reload frpc proxy config error: %s", res.Msg)
+		log.Warnf("reload frpc proxy config error: %s", res.Msg)
 		return
 	}
-	log.Info("success reload conf")
+	log.Infof("success reload conf")
 }
 
 // POST /api/stop
 func (svr *Service) apiStop(w http.ResponseWriter, _ *http.Request) {
 	res := GeneralResponse{Code: 200}
 
-	log.Info("api request [/api/stop]")
+	log.Infof("api request [/api/stop]")
 	defer func() {
-		log.Info("api response [/api/stop], code [%d]", res.Code)
+		log.Infof("api response [/api/stop], code [%d]", res.Code)
 		w.WriteHeader(res.Code)
 		if len(res.Msg) > 0 {
 			_, _ = w.Write([]byte(res.Msg))
@@ -165,9 +165,9 @@ func (svr *Service) apiStatus(w http.ResponseWriter, _ *http.Request) {
 		res StatusResp = make(map[string][]ProxyStatusResp)
 	)
 
-	log.Info("Http request [/api/status]")
+	log.Infof("Http request [/api/status]")
 	defer func() {
-		log.Info("Http response [/api/status]")
+		log.Infof("Http response [/api/status]")
 		buf, _ = json.Marshal(&res)
 		_, _ = w.Write(buf)
 	}()
@@ -198,9 +198,9 @@ func (svr *Service) apiStatus(w http.ResponseWriter, _ *http.Request) {
 func (svr *Service) apiGetConfig(w http.ResponseWriter, _ *http.Request) {
 	res := GeneralResponse{Code: 200}
 
-	log.Info("Http get request [/api/config]")
+	log.Infof("Http get request [/api/config]")
 	defer func() {
-		log.Info("Http get response [/api/config], code [%d]", res.Code)
+		log.Infof("Http get response [/api/config], code [%d]", res.Code)
 		w.WriteHeader(res.Code)
 		if len(res.Msg) > 0 {
 			_, _ = w.Write([]byte(res.Msg))
@@ -210,7 +210,7 @@ func (svr *Service) apiGetConfig(w http.ResponseWriter, _ *http.Request) {
 	if svr.configFilePath == "" {
 		res.Code = 400
 		res.Msg = "frpc has no config file path"
-		log.Warn("%s", res.Msg)
+		log.Warnf("%s", res.Msg)
 		return
 	}
 
@@ -218,7 +218,7 @@ func (svr *Service) apiGetConfig(w http.ResponseWriter, _ *http.Request) {
 	if err != nil {
 		res.Code = 400
 		res.Msg = err.Error()
-		log.Warn("load frpc config file error: %s", res.Msg)
+		log.Warnf("load frpc config file error: %s", res.Msg)
 		return
 	}
 	res.Msg = string(content)
@@ -228,9 +228,9 @@ func (svr *Service) apiGetConfig(w http.ResponseWriter, _ *http.Request) {
 func (svr *Service) apiPutConfig(w http.ResponseWriter, r *http.Request) {
 	res := GeneralResponse{Code: 200}
 
-	log.Info("Http put request [/api/config]")
+	log.Infof("Http put request [/api/config]")
 	defer func() {
-		log.Info("Http put response [/api/config], code [%d]", res.Code)
+		log.Infof("Http put response [/api/config], code [%d]", res.Code)
 		w.WriteHeader(res.Code)
 		if len(res.Msg) > 0 {
 			_, _ = w.Write([]byte(res.Msg))
@@ -242,21 +242,21 @@ func (svr *Service) apiPutConfig(w http.ResponseWriter, r *http.Request) {
 	if err != nil {
 		res.Code = 400
 		res.Msg = fmt.Sprintf("read request body error: %v", err)
-		log.Warn("%s", res.Msg)
+		log.Warnf("%s", res.Msg)
 		return
 	}
 
 	if len(body) == 0 {
 		res.Code = 400
 		res.Msg = "body can't be empty"
-		log.Warn("%s", res.Msg)
+		log.Warnf("%s", res.Msg)
 		return
 	}
 
 	if err := os.WriteFile(svr.configFilePath, body, 0o644); err != nil {
 		res.Code = 500
 		res.Msg = fmt.Sprintf("write content to frpc config file error: %v", err)
-		log.Warn("%s", res.Msg)
+		log.Warnf("%s", res.Msg)
 		return
 	}
 }

client/connector.go

@@ -84,7 +84,7 @@ func (c *defaultConnectorImpl) Open() error {
 			tlsConfig, err = transport.NewClientTLSConfig("", "", "", sn)
 		}
 		if err != nil {
-			xl.Warn("fail to build tls configuration, err: %v", err)
+			xl.Warnf("fail to build tls configuration, err: %v", err)
 			return err
 		}
 		tlsConfig.NextProtos = []string{"frp"}
@@ -164,14 +164,14 @@ func (c *defaultConnectorImpl) realConnect() (net.Conn, error) {
 			c.cfg.Transport.TLS.TrustedCaFile,
 			sn)
 		if err != nil {
-			xl.Warn("fail to build tls configuration, err: %v", err)
+			xl.Warnf("fail to build tls configuration, err: %v", err)
 			return nil, err
 		}
 	}
 
 	proxyType, addr, auth, err := libdial.ParseProxyURL(c.cfg.Transport.ProxyURL)
 	if err != nil {
-		xl.Error("fail to parse proxy url")
+		xl.Errorf("fail to parse proxy url")
 		return nil, err
 	}
 	dialOptions := []libdial.DialOption{}

client/control.go

@@ -124,7 +124,7 @@ func (ctl *Control) handleReqWorkConn(_ msg.Message) {
 	xl := ctl.xl
 	workConn, err := ctl.connectServer()
 	if err != nil {
-		xl.Warn("start new connection to server error: %v", err)
+		xl.Warnf("start new connection to server error: %v", err)
 		return
 	}
 
@@ -132,24 +132,24 @@ func (ctl *Control) handleReqWorkConn(_ msg.Message) {
 		RunID: ctl.sessionCtx.RunID,
 	}
 	if err = ctl.sessionCtx.AuthSetter.SetNewWorkConn(m); err != nil {
-		xl.Warn("error during NewWorkConn authentication: %v", err)
+		xl.Warnf("error during NewWorkConn authentication: %v", err)
 		workConn.Close()
 		return
 	}
 	if err = msg.WriteMsg(workConn, m); err != nil {
-		xl.Warn("work connection write to server error: %v", err)
+		xl.Warnf("work connection write to server error: %v", err)
 		workConn.Close()
 		return
 	}
 
 	var startMsg msg.StartWorkConn
 	if err = msg.ReadMsgInto(workConn, &startMsg); err != nil {
-		xl.Trace("work connection closed before response StartWorkConn message: %v", err)
+		xl.Tracef("work connection closed before response StartWorkConn message: %v", err)
 		workConn.Close()
 		return
 	}
 	if startMsg.Error != "" {
-		xl.Error("StartWorkConn contains error: %s", startMsg.Error)
+		xl.Errorf("StartWorkConn contains error: %s", startMsg.Error)
 		workConn.Close()
 		return
 	}
@@ -165,9 +165,9 @@ func (ctl *Control) handleNewProxyResp(m msg.Message) {
 	// Start a new proxy handler if no error got
 	err := ctl.pm.StartProxy(inMsg.ProxyName, inMsg.RemoteAddr, inMsg.Error)
 	if err != nil {
-		xl.Warn("[%s] start error: %v", inMsg.ProxyName, err)
+		xl.Warnf("[%s] start error: %v", inMsg.ProxyName, err)
 	} else {
-		xl.Info("[%s] start proxy success", inMsg.ProxyName)
+		xl.Infof("[%s] start proxy success", inMsg.ProxyName)
 	}
 }
 
@@ -178,7 +178,7 @@ func (ctl *Control) handleNatHoleResp(m msg.Message) {
 	// Dispatch the NatHoleResp message to the related proxy.
 	ok := ctl.msgTransporter.DispatchWithType(inMsg, msg.TypeNameNatHoleResp, inMsg.TransactionID)
 	if !ok {
-		xl.Trace("dispatch NatHoleResp message to related proxy error")
+		xl.Tracef("dispatch NatHoleResp message to related proxy error")
 	}
 }
 
@@ -187,12 +187,12 @@ func (ctl *Control) handlePong(m msg.Message) {
 	inMsg := m.(*msg.Pong)
 
 	if inMsg.Error != "" {
-		xl.Error("Pong message contains error: %s", inMsg.Error)
+		xl.Errorf("Pong message contains error: %s", inMsg.Error)
 		ctl.closeSession()
 		return
 	}
 	ctl.lastPong.Store(time.Now())
-	xl.Debug("receive heartbeat from server")
+	xl.Debugf("receive heartbeat from server")
 }
 
 // closeSession closes the control connection.
@@ -241,10 +241,10 @@ func (ctl *Control) heartbeatWorker() {
 	if ctl.sessionCtx.Common.Transport.HeartbeatInterval > 0 {
 		// send heartbeat to server
 		sendHeartBeat := func() (bool, error) {
-			xl.Debug("send heartbeat to server")
+			xl.Debugf("send heartbeat to server")
 			pingMsg := &msg.Ping{}
 			if err := ctl.sessionCtx.AuthSetter.SetPing(pingMsg); err != nil {
-				xl.Warn("error during ping authentication: %v, skip sending ping message", err)
+				xl.Warnf("error during ping authentication: %v, skip sending ping message", err)
 				return false, err
 			}
 			_ = ctl.msgDispatcher.Send(pingMsg)
@@ -269,7 +269,7 @@ func (ctl *Control) heartbeatWorker() {
 
 		go wait.Until(func() {
 			if time.Since(ctl.lastPong.Load().(time.Time)) > time.Duration(ctl.sessionCtx.Common.Transport.HeartbeatTimeout)*time.Second {
-				xl.Warn("heartbeat timeout")
+				xl.Warnf("heartbeat timeout")
 				ctl.closeSession()
 				return
 			}

client/health/health.go

@@ -112,17 +112,17 @@ func (monitor *Monitor) checkWorker() {
 		}
 
 		if err == nil {
-			xl.Trace("do one health check success")
+			xl.Tracef("do one health check success")
 			if !monitor.statusOK && monitor.statusNormalFn != nil {
-				xl.Info("health check status change to success")
+				xl.Infof("health check status change to success")
 				monitor.statusOK = true
 				monitor.statusNormalFn()
 			}
 		} else {
-			xl.Warn("do one health check failed: %v", err)
+			xl.Warnf("do one health check failed: %v", err)
 			monitor.failedTimes++
 			if monitor.statusOK && int(monitor.failedTimes) >= monitor.maxFailedTimes && monitor.statusFailedFn != nil {
-				xl.Warn("health check status change to failed")
+				xl.Warnf("health check status change to failed")
 				monitor.statusOK = false
 				monitor.statusFailedFn()
 			}

client/proxy/proxy.go

@@ -141,13 +141,13 @@ func (pxy *BaseProxy) HandleTCPWorkConnection(workConn net.Conn, m *msg.StartWor
 		})
 	}
 
-	xl.Trace("handle tcp work connection, useEncryption: %t, useCompression: %t",
+	xl.Tracef("handle tcp work connection, useEncryption: %t, useCompression: %t",
 		baseCfg.Transport.UseEncryption, baseCfg.Transport.UseCompression)
 	if baseCfg.Transport.UseEncryption {
 		remote, err = libio.WithEncryption(remote, encKey)
 		if err != nil {
 			workConn.Close()
-			xl.Error("create encryption stream error: %v", err)
+			xl.Errorf("create encryption stream error: %v", err)
 			return
 		}
 	}
@@ -189,9 +189,9 @@ func (pxy *BaseProxy) HandleTCPWorkConnection(workConn net.Conn, m *msg.StartWor
 
 	if pxy.proxyPlugin != nil {
 		// if plugin is set, let plugin handle connection first
-		xl.Debug("handle by plugin: %s", pxy.proxyPlugin.Name())
+		xl.Debugf("handle by plugin: %s", pxy.proxyPlugin.Name())
 		pxy.proxyPlugin.Handle(remote, workConn, &extraInfo)
-		xl.Debug("handle by plugin finished")
+		xl.Debugf("handle by plugin finished")
 		return
 	}
 
@@ -201,25 +201,25 @@ func (pxy *BaseProxy) HandleTCPWorkConnection(workConn net.Conn, m *msg.StartWor
 	)
 	if err != nil {
 		workConn.Close()
-		xl.Error("connect to local service [%s:%d] error: %v", baseCfg.LocalIP, baseCfg.LocalPort, err)
+		xl.Errorf("connect to local service [%s:%d] error: %v", baseCfg.LocalIP, baseCfg.LocalPort, err)
 		return
 	}
 
-	xl.Debug("join connections, localConn(l[%s] r[%s]) workConn(l[%s] r[%s])", localConn.LocalAddr().String(),
+	xl.Debugf("join connections, localConn(l[%s] r[%s]) workConn(l[%s] r[%s])", localConn.LocalAddr().String(),
 		localConn.RemoteAddr().String(), workConn.LocalAddr().String(), workConn.RemoteAddr().String())
 
 	if extraInfo.ProxyProtocolHeader != nil {
 		if _, err := extraInfo.ProxyProtocolHeader.WriteTo(localConn); err != nil {
 			workConn.Close()
-			xl.Error("write proxy protocol header to local conn error: %v", err)
+			xl.Errorf("write proxy protocol header to local conn error: %v", err)
 			return
 		}
 	}
 
 	_, _, errs := libio.Join(localConn, remote)
-	xl.Debug("join connections closed")
+	xl.Debugf("join connections closed")
 	if len(errs) > 0 {
-		xl.Trace("join connections errors: %v", errs)
+		xl.Tracef("join connections errors: %v", errs)
 	}
 	if compressionResourceRecycleFn != nil {
 		compressionResourceRecycleFn()

client/proxy/proxy_manager.go

@@ -152,7 +152,7 @@ func (pm *Manager) UpdateAll(proxyCfgs []v1.ProxyConfigurer) {
 		}
 	}
 	if len(delPxyNames) > 0 {
-		xl.Info("proxy removed: %s", delPxyNames)
+		xl.Infof("proxy removed: %s", delPxyNames)
 	}
 
 	addPxyNames := make([]string, 0)
@@ -170,6 +170,6 @@ func (pm *Manager) UpdateAll(proxyCfgs []v1.ProxyConfigurer) {
 		}
 	}
 	if len(addPxyNames) > 0 {
-		xl.Info("proxy added: %s", addPxyNames)
+		xl.Infof("proxy added: %s", addPxyNames)
 	}
 }

client/proxy/proxy_wrapper.go

@@ -114,7 +114,7 @@ func NewWrapper(
 		addr := net.JoinHostPort(baseInfo.LocalIP, strconv.Itoa(baseInfo.LocalPort))
 		pw.monitor = health.NewMonitor(pw.ctx, baseInfo.HealthCheck, addr,
 			pw.statusNormalCallback, pw.statusFailedCallback)
-		xl.Trace("enable health check monitor")
+		xl.Tracef("enable health check monitor")
 	}
 
 	pw.pxy = NewProxy(pw.ctx, pw.Cfg, clientCfg, pw.msgTransporter)
@@ -197,7 +197,7 @@ func (pw *Wrapper) checkWorker() {
 				(pw.Phase == ProxyPhaseWaitStart && now.After(pw.lastSendStartMsg.Add(waitResponseTimeout))) ||
 				(pw.Phase == ProxyPhaseStartErr && now.After(pw.lastStartErr.Add(startErrTimeout))) {
 
-				xl.Trace("change status from [%s] to [%s]", pw.Phase, ProxyPhaseWaitStart)
+				xl.Tracef("change status from [%s] to [%s]", pw.Phase, ProxyPhaseWaitStart)
 				pw.Phase = ProxyPhaseWaitStart
 
 				var newProxyMsg msg.NewProxy
@@ -212,7 +212,7 @@ func (pw *Wrapper) checkWorker() {
 			pw.mu.Lock()
 			if pw.Phase == ProxyPhaseRunning || pw.Phase == ProxyPhaseWaitStart {
 				pw.close()
-				xl.Trace("change status from [%s] to [%s]", pw.Phase, ProxyPhaseCheckFailed)
+				xl.Tracef("change status from [%s] to [%s]", pw.Phase, ProxyPhaseCheckFailed)
 				pw.Phase = ProxyPhaseCheckFailed
 			}
 			pw.mu.Unlock()
@@ -236,7 +236,7 @@ func (pw *Wrapper) statusNormalCallback() {
 		default:
 		}
 	})
-	xl.Info("health check success")
+	xl.Infof("health check success")
 }
 
 func (pw *Wrapper) statusFailedCallback() {
@@ -248,7 +248,7 @@ func (pw *Wrapper) statusFailedCallback() {
 		default:
 		}
 	})
-	xl.Info("health check failed")
+	xl.Infof("health check failed")
 }
 
 func (pw *Wrapper) InWorkConn(workConn net.Conn, m *msg.StartWorkConn) {
@@ -257,7 +257,7 @@ func (pw *Wrapper) InWorkConn(workConn net.Conn, m *msg.StartWorkConn) {
 	pxy := pw.pxy
 	pw.mu.RUnlock()
 	if pxy != nil && pw.Phase == ProxyPhaseRunning {
-		xl.Debug("start a new work connection, localAddr: %s remoteAddr: %s", workConn.LocalAddr().String(), workConn.RemoteAddr().String())
+		xl.Debugf("start a new work connection, localAddr: %s remoteAddr: %s", workConn.LocalAddr().String(), workConn.RemoteAddr().String())
 		go pxy.InWorkConn(workConn, m)
 	} else {
 		workConn.Close()

client/proxy/sudp.go

@@ -81,7 +81,7 @@ func (pxy *SUDPProxy) Close() {
 
 func (pxy *SUDPProxy) InWorkConn(conn net.Conn, _ *msg.StartWorkConn) {
 	xl := pxy.xl
-	xl.Info("incoming a new work connection for sudp proxy, %s", conn.RemoteAddr().String())
+	xl.Infof("incoming a new work connection for sudp proxy, %s", conn.RemoteAddr().String())
 
 	var rwc io.ReadWriteCloser = conn
 	var err error
@@ -94,7 +94,7 @@ func (pxy *SUDPProxy) InWorkConn(conn net.Conn, _ *msg.StartWorkConn) {
 		rwc, err = libio.WithEncryption(rwc, []byte(pxy.clientCfg.Auth.Token))
 		if err != nil {
 			conn.Close()
-			xl.Error("create encryption stream error: %v", err)
+			xl.Errorf("create encryption stream error: %v", err)
 			return
 		}
 	}
@@ -133,21 +133,21 @@ func (pxy *SUDPProxy) InWorkConn(conn net.Conn, _ *msg.StartWorkConn) {
 			// first to check sudp proxy is closed or not
 			select {
 			case <-pxy.closeCh:
-				xl.Trace("frpc sudp proxy is closed")
+				xl.Tracef("frpc sudp proxy is closed")
 				return
 			default:
 			}
 
 			var udpMsg msg.UDPPacket
 			if errRet := msg.ReadMsgInto(conn, &udpMsg); errRet != nil {
-				xl.Warn("read from workConn for sudp error: %v", errRet)
+				xl.Warnf("read from workConn for sudp error: %v", errRet)
 				return
 			}
 
 			if errRet := errors.PanicToError(func() {
 				readCh <- &udpMsg
 			}); errRet != nil {
-				xl.Warn("reader goroutine for sudp work connection closed: %v", errRet)
+				xl.Warnf("reader goroutine for sudp work connection closed: %v", errRet)
 				return
 			}
 		}
@@ -157,21 +157,21 @@ func (pxy *SUDPProxy) InWorkConn(conn net.Conn, _ *msg.StartWorkConn) {
 	workConnSenderFn := func(conn net.Conn, sendCh chan msg.Message) {
 		defer func() {
 			closeFn()
-			xl.Info("writer goroutine for sudp work connection closed")
+			xl.Infof("writer goroutine for sudp work connection closed")
 		}()
 
 		var errRet error
 		for rawMsg := range sendCh {
 			switch m := rawMsg.(type) {
 			case *msg.UDPPacket:
-				xl.Trace("frpc send udp package to frpc visitor, [udp local: %v, remote: %v], [tcp work conn local: %v, remote: %v]",
+				xl.Tracef("frpc send udp package to frpc visitor, [udp local: %v, remote: %v], [tcp work conn local: %v, remote: %v]",
 					m.LocalAddr.String(), m.RemoteAddr.String(), conn.LocalAddr().String(), conn.RemoteAddr().String())
 			case *msg.Ping:
-				xl.Trace("frpc send ping message to frpc visitor")
+				xl.Tracef("frpc send ping message to frpc visitor")
 			}
 
 			if errRet = msg.WriteMsg(conn, rawMsg); errRet != nil {
-				xl.Error("sudp work write error: %v", errRet)
+				xl.Errorf("sudp work write error: %v", errRet)
 				return
 			}
 		}
@@ -191,11 +191,11 @@ func (pxy *SUDPProxy) InWorkConn(conn net.Conn, _ *msg.StartWorkConn) {
 				if errRet = errors.PanicToError(func() {
 					sendCh <- &msg.Ping{}
 				}); errRet != nil {
-					xl.Warn("heartbeat goroutine for sudp work connection closed")
+					xl.Warnf("heartbeat goroutine for sudp work connection closed")
 					return
 				}
 			case <-pxy.closeCh:
-				xl.Trace("frpc sudp proxy is closed")
+				xl.Tracef("frpc sudp proxy is closed")
 				return
 			}
 		}

client/proxy/udp.go

@@ -90,7 +90,7 @@ func (pxy *UDPProxy) Close() {
 
 func (pxy *UDPProxy) InWorkConn(conn net.Conn, _ *msg.StartWorkConn) {
 	xl := pxy.xl
-	xl.Info("incoming a new work connection for udp proxy, %s", conn.RemoteAddr().String())
+	xl.Infof("incoming a new work connection for udp proxy, %s", conn.RemoteAddr().String())
 	// close resources related with old workConn
 	pxy.Close()
 
@@ -105,7 +105,7 @@ func (pxy *UDPProxy) InWorkConn(conn net.Conn, _ *msg.StartWorkConn) {
 		rwc, err = libio.WithEncryption(rwc, []byte(pxy.clientCfg.Auth.Token))
 		if err != nil {
 			conn.Close()
-			xl.Error("create encryption stream error: %v", err)
+			xl.Errorf("create encryption stream error: %v", err)
 			return
 		}
 	}
@@ -125,32 +125,32 @@ func (pxy *UDPProxy) InWorkConn(conn net.Conn, _ *msg.StartWorkConn) {
 		for {
 			var udpMsg msg.UDPPacket
 			if errRet := msg.ReadMsgInto(conn, &udpMsg); errRet != nil {
-				xl.Warn("read from workConn for udp error: %v", errRet)
+				xl.Warnf("read from workConn for udp error: %v", errRet)
 				return
 			}
 			if errRet := errors.PanicToError(func() {
-				xl.Trace("get udp package from workConn: %s", udpMsg.Content)
+				xl.Tracef("get udp package from workConn: %s", udpMsg.Content)
 				readCh <- &udpMsg
 			}); errRet != nil {
-				xl.Info("reader goroutine for udp work connection closed: %v", errRet)
+				xl.Infof("reader goroutine for udp work connection closed: %v", errRet)
 				return
 			}
 		}
 	}
 	workConnSenderFn := func(conn net.Conn, sendCh chan msg.Message) {
 		defer func() {
-			xl.Info("writer goroutine for udp work connection closed")
+			xl.Infof("writer goroutine for udp work connection closed")
 		}()
 		var errRet error
 		for rawMsg := range sendCh {
 			switch m := rawMsg.(type) {
 			case *msg.UDPPacket:
-				xl.Trace("send udp package to workConn: %s", m.Content)
+				xl.Tracef("send udp package to workConn: %s", m.Content)
 			case *msg.Ping:
-				xl.Trace("send ping message to udp workConn")
+				xl.Tracef("send ping message to udp workConn")
 			}
 			if errRet = msg.WriteMsg(conn, rawMsg); errRet != nil {
-				xl.Error("udp work write error: %v", errRet)
+				xl.Errorf("udp work write error: %v", errRet)
 				return
 			}
 		}
@@ -162,7 +162,7 @@ func (pxy *UDPProxy) InWorkConn(conn net.Conn, _ *msg.StartWorkConn) {
 			if errRet = errors.PanicToError(func() {
 				sendCh <- &msg.Ping{}
 			}); errRet != nil {
-				xl.Trace("heartbeat goroutine for udp work connection closed")
+				xl.Tracef("heartbeat goroutine for udp work connection closed")
 				break
 			}
 		}

client/proxy/xtcp.go

@@ -59,17 +59,17 @@ func (pxy *XTCPProxy) InWorkConn(conn net.Conn, startWorkConnMsg *msg.StartWorkC
 	var natHoleSidMsg msg.NatHoleSid
 	err := msg.ReadMsgInto(conn, &natHoleSidMsg)
 	if err != nil {
-		xl.Error("xtcp read from workConn error: %v", err)
+		xl.Errorf("xtcp read from workConn error: %v", err)
 		return
 	}
 
-	xl.Trace("nathole prepare start")
+	xl.Tracef("nathole prepare start")
 	prepareResult, err := nathole.Prepare([]string{pxy.clientCfg.NatHoleSTUNServer})
 	if err != nil {
-		xl.Warn("nathole prepare error: %v", err)
+		xl.Warnf("nathole prepare error: %v", err)
 		return
 	}
-	xl.Info("nathole prepare success, nat type: %s, behavior: %s, addresses: %v, assistedAddresses: %v",
+	xl.Infof("nathole prepare success, nat type: %s, behavior: %s, addresses: %v, assistedAddresses: %v",
 		prepareResult.NatType, prepareResult.Behavior, prepareResult.Addrs, prepareResult.AssistedAddrs)
 	defer prepareResult.ListenConn.Close()
 
@@ -83,14 +83,14 @@ func (pxy *XTCPProxy) InWorkConn(conn net.Conn, startWorkConnMsg *msg.StartWorkC
 		AssistedAddrs: prepareResult.AssistedAddrs,
 	}
 
-	xl.Trace("nathole exchange info start")
+	xl.Tracef("nathole exchange info start")
 	natHoleRespMsg, err := nathole.ExchangeInfo(pxy.ctx, pxy.msgTransporter, transactionID, natHoleClientMsg, 5*time.Second)
 	if err != nil {
-		xl.Warn("nathole exchange info error: %v", err)
+		xl.Warnf("nathole exchange info error: %v", err)
 		return
 	}
 
-	xl.Info("get natHoleRespMsg, sid [%s], protocol [%s], candidate address %v, assisted address %v, detectBehavior: %+v",
+	xl.Infof("get natHoleRespMsg, sid [%s], protocol [%s], candidate address %v, assisted address %v, detectBehavior: %+v",
 		natHoleRespMsg.Sid, natHoleRespMsg.Protocol, natHoleRespMsg.CandidateAddrs,
 		natHoleRespMsg.AssistedAddrs, natHoleRespMsg.DetectBehavior)
 
@@ -98,7 +98,7 @@ func (pxy *XTCPProxy) InWorkConn(conn net.Conn, startWorkConnMsg *msg.StartWorkC
 	newListenConn, raddr, err := nathole.MakeHole(pxy.ctx, listenConn, natHoleRespMsg, []byte(pxy.cfg.Secretkey))
 	if err != nil {
 		listenConn.Close()
-		xl.Warn("make hole error: %v", err)
+		xl.Warnf("make hole error: %v", err)
 		_ = pxy.msgTransporter.Send(&msg.NatHoleReport{
 			Sid:     natHoleRespMsg.Sid,
 			Success: false,
@@ -106,7 +106,7 @@ func (pxy *XTCPProxy) InWorkConn(conn net.Conn, startWorkConnMsg *msg.StartWorkC
 		return
 	}
 	listenConn = newListenConn
-	xl.Info("establishing nat hole connection successful, sid [%s], remoteAddr [%s]", natHoleRespMsg.Sid, raddr)
+	xl.Infof("establishing nat hole connection successful, sid [%s], remoteAddr [%s]", natHoleRespMsg.Sid, raddr)
 
 	_ = pxy.msgTransporter.Send(&msg.NatHoleReport{
 		Sid:     natHoleRespMsg.Sid,
@@ -128,14 +128,14 @@ func (pxy *XTCPProxy) listenByKCP(listenConn *net.UDPConn, raddr *net.UDPAddr, s
 	laddr, _ := net.ResolveUDPAddr("udp", listenConn.LocalAddr().String())
 	lConn, err := net.DialUDP("udp", laddr, raddr)
 	if err != nil {
-		xl.Warn("dial udp error: %v", err)
+		xl.Warnf("dial udp error: %v", err)
 		return
 	}
 	defer lConn.Close()
 
 	remote, err := netpkg.NewKCPConnFromUDP(lConn, true, raddr.String())
 	if err != nil {
-		xl.Warn("create kcp connection from udp connection error: %v", err)
+		xl.Warnf("create kcp connection from udp connection error: %v", err)
 		return
 	}
 
@@ -145,7 +145,7 @@ func (pxy *XTCPProxy) listenByKCP(listenConn *net.UDPConn, raddr *net.UDPAddr, s
 	fmuxCfg.LogOutput = io.Discard
 	session, err := fmux.Server(remote, fmuxCfg)
 	if err != nil {
-		xl.Error("create mux session error: %v", err)
+		xl.Errorf("create mux session error: %v", err)
 		return
 	}
 	defer session.Close()
@@ -153,7 +153,7 @@ func (pxy *XTCPProxy) listenByKCP(listenConn *net.UDPConn, raddr *net.UDPAddr, s
 	for {
 		muxConn, err := session.Accept()
 		if err != nil {
-			xl.Error("accept connection error: %v", err)
+			xl.Errorf("accept connection error: %v", err)
 			return
 		}
 		go pxy.HandleTCPWorkConnection(muxConn, startWorkConnMsg, []byte(pxy.cfg.Secretkey))
@@ -166,7 +166,7 @@ func (pxy *XTCPProxy) listenByQUIC(listenConn *net.UDPConn, _ *net.UDPAddr, star
 
 	tlsConfig, err := transport.NewServerTLSConfig("", "", "")
 	if err != nil {
-		xl.Warn("create tls config error: %v", err)
+		xl.Warnf("create tls config error: %v", err)
 		return
 	}
 	tlsConfig.NextProtos = []string{"frp"}
@@ -178,19 +178,19 @@ func (pxy *XTCPProxy) listenByQUIC(listenConn *net.UDPConn, _ *net.UDPAddr, star
 		},
 	)
 	if err != nil {
-		xl.Warn("dial quic error: %v", err)
+		xl.Warnf("dial quic error: %v", err)
 		return
 	}
 	// only accept one connection from raddr
 	c, err := quicListener.Accept(pxy.ctx)
 	if err != nil {
-		xl.Error("quic accept connection error: %v", err)
+		xl.Errorf("quic accept connection error: %v", err)
 		return
 	}
 	for {
 		stream, err := c.AcceptStream(pxy.ctx)
 		if err != nil {
-			xl.Debug("quic accept stream error: %v", err)
+			xl.Debugf("quic accept stream error: %v", err)
 			_ = c.CloseWithError(0, "")
 			return
 		}

client/service.go

@@ -174,9 +174,9 @@ func (svr *Service) Run(ctx context.Context) error {
 
 	if svr.webServer != nil {
 		go func() {
-			log.Info("admin server listen on %s", svr.webServer.Address())
+			log.Infof("admin server listen on %s", svr.webServer.Address())
 			if err := svr.webServer.Run(); err != nil {
-				log.Warn("admin server exit with error: %v", err)
+				log.Warnf("admin server exit with error: %v", err)
 			}
 		}()
 	}
@@ -269,14 +269,14 @@ func (svr *Service) login() (conn net.Conn, connector Connector, err error) {
 
 	if loginRespMsg.Error != "" {
 		err = fmt.Errorf("%s", loginRespMsg.Error)
-		xl.Error("%s", loginRespMsg.Error)
+		xl.Errorf("%s", loginRespMsg.Error)
 		return
 	}
 
 	svr.runID = loginRespMsg.RunID
 	xl.AddPrefix(xlog.LogPrefix{Name: "runID", Value: svr.runID})
 
-	xl.Info("login to server success, get run id [%s]", loginRespMsg.RunID)
+	xl.Infof("login to server success, get run id [%s]", loginRespMsg.RunID)
 	return
 }
 
@@ -284,10 +284,10 @@ func (svr *Service) loopLoginUntilSuccess(maxInterval time.Duration, firstLoginE
 	xl := xlog.FromContextSafe(svr.ctx)
 
 	loginFunc := func() (bool, error) {
-		xl.Info("try to connect to server...")
+		xl.Infof("try to connect to server...")
 		conn, connector, err := svr.login()
 		if err != nil {
-			xl.Warn("connect to server error: %v", err)
+			xl.Warnf("connect to server error: %v", err)
 			if firstLoginExit {
 				svr.cancel(cancelErr{Err: err})
 			}
@@ -313,7 +313,7 @@ func (svr *Service) loopLoginUntilSuccess(maxInterval time.Duration, firstLoginE
 		ctl, err := NewControl(svr.ctx, sessionCtx)
 		if err != nil {
 			conn.Close()
-			xl.Error("NewControl error: %v", err)
+			xl.Errorf("NewControl error: %v", err)
 			return false, err
 		}
 		ctl.SetInWorkConnCallback(svr.handleWorkConnCb)

client/visitor/stcp.go

@@ -56,7 +56,7 @@ func (sv *STCPVisitor) worker() {
 	for {
 		conn, err := sv.l.Accept()
 		if err != nil {
-			xl.Warn("stcp local listener closed")
+			xl.Warnf("stcp local listener closed")
 			return
 		}
 		go sv.handleConn(conn)
@@ -68,7 +68,7 @@ func (sv *STCPVisitor) internalConnWorker() {
 	for {
 		conn, err := sv.internalLn.Accept()
 		if err != nil {
-			xl.Warn("stcp internal listener closed")
+			xl.Warnf("stcp internal listener closed")
 			return
 		}
 		go sv.handleConn(conn)
@@ -79,7 +79,7 @@ func (sv *STCPVisitor) handleConn(userConn net.Conn) {
 	xl := xlog.FromContextSafe(sv.ctx)
 	defer userConn.Close()
 
-	xl.Debug("get a new stcp user connection")
+	xl.Debugf("get a new stcp user connection")
 	visitorConn, err := sv.helper.ConnectServer()
 	if err != nil {
 		return
@@ -97,7 +97,7 @@ func (sv *STCPVisitor) handleConn(userConn net.Conn) {
 	}
 	err = msg.WriteMsg(visitorConn, newVisitorConnMsg)
 	if err != nil {
-		xl.Warn("send newVisitorConnMsg to server error: %v", err)
+		xl.Warnf("send newVisitorConnMsg to server error: %v", err)
 		return
 	}
 
@@ -105,13 +105,13 @@ func (sv *STCPVisitor) handleConn(userConn net.Conn) {
 	_ = visitorConn.SetReadDeadline(time.Now().Add(10 * time.Second))
 	err = msg.ReadMsgInto(visitorConn, &newVisitorConnRespMsg)
 	if err != nil {
-		xl.Warn("get newVisitorConnRespMsg error: %v", err)
+		xl.Warnf("get newVisitorConnRespMsg error: %v", err)
 		return
 	}
 	_ = visitorConn.SetReadDeadline(time.Time{})
 
 	if newVisitorConnRespMsg.Error != "" {
-		xl.Warn("start new visitor connection error: %s", newVisitorConnRespMsg.Error)
+		xl.Warnf("start new visitor connection error: %s", newVisitorConnRespMsg.Error)
 		return
 	}
 
@@ -120,7 +120,7 @@ func (sv *STCPVisitor) handleConn(userConn net.Conn) {
 	if sv.cfg.Transport.UseEncryption {
 		remote, err = libio.WithEncryption(remote, []byte(sv.cfg.SecretKey))
 		if err != nil {
-			xl.Error("create encryption stream error: %v", err)
+			xl.Errorf("create encryption stream error: %v", err)
 			return
 		}
 	}

client/visitor/sudp.go

@@ -62,7 +62,7 @@ func (sv *SUDPVisitor) Run() (err error) {
 	sv.sendCh = make(chan *msg.UDPPacket, 1024)
 	sv.readCh = make(chan *msg.UDPPacket, 1024)
 
-	xl.Info("sudp start to work, listen on %s", addr)
+	xl.Infof("sudp start to work, listen on %s", addr)
 
 	go sv.dispatcher()
 	go udp.ForwardUserConn(sv.udpConn, sv.readCh, sv.sendCh, int(sv.clientCfg.UDPPacketSize))
@@ -84,17 +84,17 @@ func (sv *SUDPVisitor) dispatcher() {
 		select {
 		case firstPacket = <-sv.sendCh:
 			if firstPacket == nil {
-				xl.Info("frpc sudp visitor proxy is closed")
+				xl.Infof("frpc sudp visitor proxy is closed")
 				return
 			}
 		case <-sv.checkCloseCh:
-			xl.Info("frpc sudp visitor proxy is closed")
+			xl.Infof("frpc sudp visitor proxy is closed")
 			return
 		}
 
 		visitorConn, err = sv.getNewVisitorConn()
 		if err != nil {
-			xl.Warn("newVisitorConn to frps error: %v, try to reconnect", err)
+			xl.Warnf("newVisitorConn to frps error: %v, try to reconnect", err)
 			continue
 		}
 
@@ -111,7 +111,7 @@ func (sv *SUDPVisitor) dispatcher() {
 
 func (sv *SUDPVisitor) worker(workConn net.Conn, firstPacket *msg.UDPPacket) {
 	xl := xlog.FromContextSafe(sv.ctx)
-	xl.Debug("starting sudp proxy worker")
+	xl.Debugf("starting sudp proxy worker")
 
 	wg := &sync.WaitGroup{}
 	wg.Add(2)
@@ -134,21 +134,21 @@ func (sv *SUDPVisitor) worker(workConn net.Conn, firstPacket *msg.UDPPacket) {
 			// frpc will send heartbeat in workConn to frpc visitor for keeping alive
 			_ = conn.SetReadDeadline(time.Now().Add(60 * time.Second))
 			if rawMsg, errRet = msg.ReadMsg(conn); errRet != nil {
-				xl.Warn("read from workconn for user udp conn error: %v", errRet)
+				xl.Warnf("read from workconn for user udp conn error: %v", errRet)
 				return
 			}
 
 			_ = conn.SetReadDeadline(time.Time{})
 			switch m := rawMsg.(type) {
 			case *msg.Ping:
-				xl.Debug("frpc visitor get ping message from frpc")
+				xl.Debugf("frpc visitor get ping message from frpc")
 				continue
 			case *msg.UDPPacket:
 				if errRet := errors.PanicToError(func() {
 					sv.readCh <- m
-					xl.Trace("frpc visitor get udp packet from workConn: %s", m.Content)
+					xl.Tracef("frpc visitor get udp packet from workConn: %s", m.Content)
 				}); errRet != nil {
-					xl.Info("reader goroutine for udp work connection closed")
+					xl.Infof("reader goroutine for udp work connection closed")
 					return
 				}
 			}
@@ -165,25 +165,25 @@ func (sv *SUDPVisitor) worker(workConn net.Conn, firstPacket *msg.UDPPacket) {
 		var errRet error
 		if firstPacket != nil {
 			if errRet = msg.WriteMsg(conn, firstPacket); errRet != nil {
-				xl.Warn("sender goroutine for udp work connection closed: %v", errRet)
+				xl.Warnf("sender goroutine for udp work connection closed: %v", errRet)
 				return
 			}
-			xl.Trace("send udp package to workConn: %s", firstPacket.Content)
+			xl.Tracef("send udp package to workConn: %s", firstPacket.Content)
 		}
 
 		for {
 			select {
 			case udpMsg, ok := <-sv.sendCh:
 				if !ok {
-					xl.Info("sender goroutine for udp work connection closed")
+					xl.Infof("sender goroutine for udp work connection closed")
 					return
 				}
 
 				if errRet = msg.WriteMsg(conn, udpMsg); errRet != nil {
-					xl.Warn("sender goroutine for udp work connection closed: %v", errRet)
+					xl.Warnf("sender goroutine for udp work connection closed: %v", errRet)
 					return
 				}
-				xl.Trace("send udp package to workConn: %s", udpMsg.Content)
+				xl.Tracef("send udp package to workConn: %s", udpMsg.Content)
 			case <-closeCh:
 				return
 			}
@@ -194,7 +194,7 @@ func (sv *SUDPVisitor) worker(workConn net.Conn, firstPacket *msg.UDPPacket) {
 	go workConnSenderFn(workConn)
 
 	wg.Wait()
-	xl.Info("sudp worker is closed")
+	xl.Infof("sudp worker is closed")
 }
 
 func (sv *SUDPVisitor) getNewVisitorConn() (net.Conn, error) {
@@ -235,7 +235,7 @@ func (sv *SUDPVisitor) getNewVisitorConn() (net.Conn, error) {
 	if sv.cfg.Transport.UseEncryption {
 		remote, err = libio.WithEncryption(remote, []byte(sv.cfg.SecretKey))
 		if err != nil {
-			xl.Error("create encryption stream error: %v", err)
+			xl.Errorf("create encryption stream error: %v", err)
 			return nil, err
 		}
 	}

client/visitor/visitor_manager.go

@@ -79,14 +79,14 @@ func (vm *Manager) keepVisitorsRunning() {
 	for {
 		select {
 		case <-vm.stopCh:
-			xl.Trace("gracefully shutdown visitor manager")
+			xl.Tracef("gracefully shutdown visitor manager")
 			return
 		case <-ticker.C:
 			vm.mu.Lock()
 			for _, cfg := range vm.cfgs {
 				name := cfg.GetBaseConfig().Name
 				if _, exist := vm.visitors[name]; !exist {
-					xl.Info("try to start visitor [%s]", name)
+					xl.Infof("try to start visitor [%s]", name)
 					_ = vm.startVisitor(cfg)
 				}
 			}
@@ -115,10 +115,10 @@ func (vm *Manager) startVisitor(cfg v1.VisitorConfigurer) (err error) {
 	visitor := NewVisitor(vm.ctx, cfg, vm.clientCfg, vm.helper)
 	err = visitor.Run()
 	if err != nil {
-		xl.Warn("start error: %v", err)
+		xl.Warnf("start error: %v", err)
 	} else {
 		vm.visitors[name] = visitor
-		xl.Info("start visitor success")
+		xl.Infof("start visitor success")
 	}
 	return
 }
@@ -156,7 +156,7 @@ func (vm *Manager) UpdateAll(cfgs []v1.VisitorConfigurer) {
 		}
 	}
 	if len(delNames) > 0 {
-		xl.Info("visitor removed: %v", delNames)
+		xl.Infof("visitor removed: %v", delNames)
 	}
 
 	addNames := make([]string, 0)
@@ -169,7 +169,7 @@ func (vm *Manager) UpdateAll(cfgs []v1.VisitorConfigurer) {
 		}
 	}
 	if len(addNames) > 0 {
-		xl.Info("visitor added: %v", addNames)
+		xl.Infof("visitor added: %v", addNames)
 	}
 }
 

client/visitor/xtcp.go

@@ -93,7 +93,7 @@ func (sv *XTCPVisitor) worker() {
 	for {
 		conn, err := sv.l.Accept()
 		if err != nil {
-			xl.Warn("xtcp local listener closed")
+			xl.Warnf("xtcp local listener closed")
 			return
 		}
 		go sv.handleConn(conn)
@@ -105,7 +105,7 @@ func (sv *XTCPVisitor) internalConnWorker() {
 	for {
 		conn, err := sv.internalLn.Accept()
 		if err != nil {
-			xl.Warn("xtcp internal listener closed")
+			xl.Warnf("xtcp internal listener closed")
 			return
 		}
 		go sv.handleConn(conn)
@@ -140,14 +140,14 @@ func (sv *XTCPVisitor) keepTunnelOpenWorker() {
 		case <-sv.ctx.Done():
 			return
 		case <-ticker.C:
-			xl.Debug("keepTunnelOpenWorker try to check tunnel...")
+			xl.Debugf("keepTunnelOpenWorker try to check tunnel...")
 			conn, err := sv.getTunnelConn()
 			if err != nil {
-				xl.Warn("keepTunnelOpenWorker get tunnel connection error: %v", err)
+				xl.Warnf("keepTunnelOpenWorker get tunnel connection error: %v", err)
 				_ = sv.retryLimiter.Wait(sv.ctx)
 				continue
 			}
-			xl.Debug("keepTunnelOpenWorker check success")
+			xl.Debugf("keepTunnelOpenWorker check success")
 			if conn != nil {
 				conn.Close()
 			}
@@ -164,7 +164,7 @@ func (sv *XTCPVisitor) handleConn(userConn net.Conn) {
 		}
 	}()
 
-	xl.Debug("get a new xtcp user connection")
+	xl.Debugf("get a new xtcp user connection")
 
 	// Open a tunnel connection to the server. If there is already a successful hole-punching connection,
 	// it will be reused. Otherwise, it will block and wait for a successful hole-punching connection until timeout.
@@ -176,15 +176,15 @@ func (sv *XTCPVisitor) handleConn(userConn net.Conn) {
 	}
 	tunnelConn, err := sv.openTunnel(ctx)
 	if err != nil {
-		xl.Error("open tunnel error: %v", err)
+		xl.Errorf("open tunnel error: %v", err)
 		// no fallback, just return
 		if sv.cfg.FallbackTo == "" {
 			return
 		}
 
-		xl.Debug("try to transfer connection to visitor: %s", sv.cfg.FallbackTo)
+		xl.Debugf("try to transfer connection to visitor: %s", sv.cfg.FallbackTo)
 		if err := sv.helper.TransferConn(sv.cfg.FallbackTo, userConn); err != nil {
-			xl.Error("transfer connection to visitor %s error: %v", sv.cfg.FallbackTo, err)
+			xl.Errorf("transfer connection to visitor %s error: %v", sv.cfg.FallbackTo, err)
 			return
 		}
 		isConnTrasfered = true
@@ -195,7 +195,7 @@ func (sv *XTCPVisitor) handleConn(userConn net.Conn) {
 	if sv.cfg.Transport.UseEncryption {
 		muxConnRWCloser, err = libio.WithEncryption(muxConnRWCloser, []byte(sv.cfg.SecretKey))
 		if err != nil {
-			xl.Error("create encryption stream error: %v", err)
+			xl.Errorf("create encryption stream error: %v", err)
 			return
 		}
 	}
@@ -206,9 +206,9 @@ func (sv *XTCPVisitor) handleConn(userConn net.Conn) {
 	}
 
 	_, _, errs := libio.Join(userConn, muxConnRWCloser)
-	xl.Debug("join connections closed")
+	xl.Debugf("join connections closed")
 	if len(errs) > 0 {
-		xl.Trace("join connections errors: %v", errs)
+		xl.Tracef("join connections errors: %v", errs)
 	}
 }
 
@@ -239,7 +239,7 @@ func (sv *XTCPVisitor) openTunnel(ctx context.Context) (conn net.Conn, err error
 
 		if err != nil {
 			if err != ErrNoTunnelSession {
-				xl.Warn("get tunnel connection error: %v", err)
+				xl.Warnf("get tunnel connection error: %v", err)
 			}
 			continue
 		}
@@ -268,19 +268,19 @@ func (sv *XTCPVisitor) getTunnelConn() (net.Conn, error) {
 // 4. Create a tunnel session using an underlying UDP connection.
 func (sv *XTCPVisitor) makeNatHole() {
 	xl := xlog.FromContextSafe(sv.ctx)
-	xl.Trace("makeNatHole start")
+	xl.Tracef("makeNatHole start")
 	if err := nathole.PreCheck(sv.ctx, sv.helper.MsgTransporter(), sv.cfg.ServerName, 5*time.Second); err != nil {
-		xl.Warn("nathole precheck error: %v", err)
+		xl.Warnf("nathole precheck error: %v", err)
 		return
 	}
 
-	xl.Trace("nathole prepare start")
+	xl.Tracef("nathole prepare start")
 	prepareResult, err := nathole.Prepare([]string{sv.clientCfg.NatHoleSTUNServer})
 	if err != nil {
-		xl.Warn("nathole prepare error: %v", err)
+		xl.Warnf("nathole prepare error: %v", err)
 		return
 	}
-	xl.Info("nathole prepare success, nat type: %s, behavior: %s, addresses: %v, assistedAddresses: %v",
+	xl.Infof("nathole prepare success, nat type: %s, behavior: %s, addresses: %v, assistedAddresses: %v",
 		prepareResult.NatType, prepareResult.Behavior, prepareResult.Addrs, prepareResult.AssistedAddrs)
 
 	listenConn := prepareResult.ListenConn
@@ -298,30 +298,30 @@ func (sv *XTCPVisitor) makeNatHole() {
 		AssistedAddrs: prepareResult.AssistedAddrs,
 	}
 
-	xl.Trace("nathole exchange info start")
+	xl.Tracef("nathole exchange info start")
 	natHoleRespMsg, err := nathole.ExchangeInfo(sv.ctx, sv.helper.MsgTransporter(), transactionID, natHoleVisitorMsg, 5*time.Second)
 	if err != nil {
 		listenConn.Close()
-		xl.Warn("nathole exchange info error: %v", err)
+		xl.Warnf("nathole exchange info error: %v", err)
 		return
 	}
 
-	xl.Info("get natHoleRespMsg, sid [%s], protocol [%s], candidate address %v, assisted address %v, detectBehavior: %+v",
+	xl.Infof("get natHoleRespMsg, sid [%s], protocol [%s], candidate address %v, assisted address %v, detectBehavior: %+v",
 		natHoleRespMsg.Sid, natHoleRespMsg.Protocol, natHoleRespMsg.CandidateAddrs,
 		natHoleRespMsg.AssistedAddrs, natHoleRespMsg.DetectBehavior)
 
 	newListenConn, raddr, err := nathole.MakeHole(sv.ctx, listenConn, natHoleRespMsg, []byte(sv.cfg.SecretKey))
 	if err != nil {
 		listenConn.Close()
-		xl.Warn("make hole error: %v", err)
+		xl.Warnf("make hole error: %v", err)
 		return
 	}
 	listenConn = newListenConn
-	xl.Info("establishing nat hole connection successful, sid [%s], remoteAddr [%s]", natHoleRespMsg.Sid, raddr)
+	xl.Infof("establishing nat hole connection successful, sid [%s], remoteAddr [%s]", natHoleRespMsg.Sid, raddr)
 
 	if err := sv.session.Init(listenConn, raddr); err != nil {
 		listenConn.Close()
-		xl.Warn("init tunnel session error: %v", err)
+		xl.Warnf("init tunnel session error: %v", err)
 		return
 	}
 }

cmd/frpc/sub/root.go

@@ -136,11 +136,11 @@ func startService(
 	visitorCfgs []v1.VisitorConfigurer,
 	cfgFile string,
 ) error {
-	log.InitLog(cfg.Log.To, cfg.Log.Level, cfg.Log.MaxDays, cfg.Log.DisablePrintColor)
+	log.InitLogger(cfg.Log.To, cfg.Log.Level, int(cfg.Log.MaxDays), cfg.Log.DisablePrintColor)
 
 	if cfgFile != "" {
-		log.Info("start frpc service for config file [%s]", cfgFile)
-		defer log.Info("frpc service for config file [%s] stopped", cfgFile)
+		log.Infof("start frpc service for config file [%s]", cfgFile)
+		defer log.Infof("frpc service for config file [%s] stopped", cfgFile)
 	}
 	svr, err := client.NewService(client.ServiceOptions{
 		Common:         cfg,

cmd/frps/root.go

@@ -99,19 +99,19 @@ func Execute() {
 }
 
 func runServer(cfg *v1.ServerConfig) (err error) {
-	log.InitLog(cfg.Log.To, cfg.Log.Level, cfg.Log.MaxDays, cfg.Log.DisablePrintColor)
+	log.InitLogger(cfg.Log.To, cfg.Log.Level, int(cfg.Log.MaxDays), cfg.Log.DisablePrintColor)
 
 	if cfgFile != "" {
-		log.Info("frps uses config file: %s", cfgFile)
+		log.Infof("frps uses config file: %s", cfgFile)
 	} else {
-		log.Info("frps uses command line arguments for config")
+		log.Infof("frps uses command line arguments for config")
 	}
 
 	svr, err := server.NewService(cfg)
 	if err != nil {
 		return err
 	}
-	log.Info("frps started successfully")
+	log.Infof("frps started successfully")
 	svr.Run(context.Background())
 	return
 }

go.mod

@@ -5,8 +5,7 @@ go 1.22
 require (
 	github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5
 	github.com/coreos/go-oidc/v3 v3.6.0
-	github.com/fatedier/beego v0.0.0-20171024143340-6c6a4f5bd5eb
-	github.com/fatedier/golib v0.3.0
+	github.com/fatedier/golib v0.4.0
 	github.com/google/uuid v1.3.0
 	github.com/gorilla/mux v1.8.0
 	github.com/gorilla/websocket v1.5.0
@@ -25,7 +24,7 @@ require (
 	github.com/stretchr/testify v1.8.4
 	github.com/tidwall/gjson v1.17.1
 	github.com/xtaci/kcp-go/v5 v5.6.7
-	golang.org/x/crypto v0.17.0
+	golang.org/x/crypto v0.18.0
 	golang.org/x/net v0.19.0
 	golang.org/x/oauth2 v0.10.0
 	golang.org/x/sync v0.3.0
@@ -70,7 +69,7 @@ require (
 	go.uber.org/mock v0.3.0 // indirect
 	golang.org/x/exp v0.0.0-20221205204356-47842c84f3db // indirect
 	golang.org/x/mod v0.11.0 // indirect
-	golang.org/x/sys v0.15.0 // indirect
+	golang.org/x/sys v0.16.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
 	golang.org/x/tools v0.9.3 // indirect
 	google.golang.org/appengine v1.6.7 // indirect

go.sum

@@ -24,10 +24,8 @@ github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
-github.com/fatedier/beego v0.0.0-20171024143340-6c6a4f5bd5eb h1:wCrNShQidLmvVWn/0PikGmpdP0vtQmnvyRg3ZBEhczw=
-github.com/fatedier/beego v0.0.0-20171024143340-6c6a4f5bd5eb/go.mod h1:wx3gB6dbIfBRcucp94PI9Bt3I0F2c/MyNEWuhzpWiwk=
-github.com/fatedier/golib v0.3.0 h1:xX0QQoYD1ns3IHVDTSysg6gL8buZvGaLyQFvBnWIRF4=
-github.com/fatedier/golib v0.3.0/go.mod h1:pmX4FYyp6N4awxDB6jAgIDVOUWuH+QkVP4v30O+iJDM=
+github.com/fatedier/golib v0.4.0 h1:lafvYRMhFmqrfIUChKy/f5AXqs1eDSk+GAUtLexN5bU=
+github.com/fatedier/golib v0.4.0/go.mod h1:gpu+1vXxtJ072NYaNsn/YWgojDL8Ap2kFZQtbzT2qkg=
 github.com/fatedier/yamux v0.0.0-20230628132301-7aca4898904d h1:ynk1ra0RUqDWQfvFi5KtMiSobkVQ3cNc0ODb8CfIETo=
 github.com/fatedier/yamux v0.0.0-20230628132301-7aca4898904d/go.mod h1:CtWFDAQgb7dxtzFs4tWbplKIe2jSi3+5vKbgIO0SLnQ=
 github.com/go-jose/go-jose/v3 v3.0.1 h1:pWmKFVtt+Jl0vBZTIpz/eAKwsm6LkIxDVVbFHKkchhA=
@@ -164,8 +162,8 @@ golang.org/x/crypto v0.0.0-20201012173705-84dcc777aaee/go.mod h1:LzIPMQfyMNhhGPh
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.8.0/go.mod h1:mRqEX+O9/h5TFCrQhkgjo2yKi0yYA+9ecGkdQoHrywE=
 golang.org/x/crypto v0.12.0/go.mod h1:NF0Gs7EO5K4qLn+Ylc+fih8BSTeIjAP05siRnAh98yw=
-golang.org/x/crypto v0.17.0 h1:r8bRNjWL3GshPW3gkd+RpvzWrZAwPS49OmTGZ/uhM4k=
-golang.org/x/crypto v0.17.0/go.mod h1:gCAAfMLgwOJRpTjQ2zCCt2OcSfYMTeZVSRtQlPC7Nq4=
+golang.org/x/crypto v0.18.0 h1:PGVlW0xEltQnzFZ55hkuX5+KLyrMYhHld1YHO4AKcdc=
+golang.org/x/crypto v0.18.0/go.mod h1:R0j02AL6hcrfOiy9T4ZYp/rcWeMxM3L6QYxlOuEG1mg=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20221205204356-47842c84f3db h1:D/cFflL63o2KSLJIwjlcIt8PR064j/xsmdEJL/YvY/o=
 golang.org/x/exp v0.0.0-20221205204356-47842c84f3db/go.mod h1:CxIveKay+FTh1D0yPZemJVgC/95VzuuOLq5Qi4xnoYc=
@@ -216,16 +214,16 @@ golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.7.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.11.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.15.0 h1:h48lPFYpsTvQJZF4EKyI4aLHaev3CxivZmv7yZig9pc=
-golang.org/x/sys v0.15.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
+golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
 golang.org/x/term v0.7.0/go.mod h1:P32HKFT3hSsZrRxla30E9HqToFYAQPCMs/zFMBUFqPY=
 golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
 golang.org/x/term v0.11.0/go.mod h1:zC9APTIj3jG3FdV/Ons+XE1riIZXG4aZ4GTHiPZJPIU=
-golang.org/x/term v0.15.0 h1:y/Oo/a/q3IXu26lQgl04j/gjuBDOBlx7X6Om1j2CPW4=
-golang.org/x/term v0.15.0/go.mod h1:BDl952bC7+uMoWR75FIrCDx79TPU9oHkTZ9yRbYOrX0=
+golang.org/x/term v0.16.0 h1:m+B6fahuftsE9qjo0VWp2FW0mB3MTJvR0BaMQrq0pmE=
+golang.org/x/term v0.16.0/go.mod h1:yn7UURbUtPyrVJPGPq404EukNFxcm/foM+bV/bfcDsY=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=

pkg/metrics/mem/server.go

@@ -62,7 +62,7 @@ func (m *serverMetrics) run() {
 			time.Sleep(12 * time.Hour)
 			start := time.Now()
 			count, total := m.clearUselessInfo(time.Duration(7*24) * time.Hour)
-			log.Debug("clear useless proxy statistics data count %d/%d, cost %v", count, total, time.Since(start))
+			log.Debugf("clear useless proxy statistics data count %d/%d, cost %v", count, total, time.Since(start))
 		}
 	}()
 }
@@ -80,7 +80,7 @@ func (m *serverMetrics) clearUselessInfo(continuousOfflineDuration time.Duration
 			time.Since(data.LastCloseTime) > continuousOfflineDuration {
 			delete(m.info.ProxyStatistics, name)
 			count++
-			log.Trace("clear proxy [%s]'s statistics data, lastCloseTime: [%s]", name, data.LastCloseTime.String())
+			log.Tracef("clear proxy [%s]'s statistics data, lastCloseTime: [%s]", name, data.LastCloseTime.String())
 		}
 	}
 	return count, total

pkg/nathole/controller.go

@@ -115,7 +115,7 @@ func (c *Controller) CleanWorker(ctx context.Context) {
 		case <-ticker.C:
 			start := time.Now()
 			count, total := c.analyzer.Clean()
-			log.Trace("clean %d/%d nathole analysis data, cost %v", count, total, time.Since(start))
+			log.Tracef("clean %d/%d nathole analysis data, cost %v", count, total, time.Since(start))
 		case <-ctx.Done():
 			return
 		}
@@ -191,11 +191,11 @@ func (c *Controller) HandleVisitor(m *msg.NatHoleVisitor, transporter transport.
 		return nil
 	}()
 	if err != nil {
-		log.Warn("handle visitorMsg error: %v", err)
+		log.Warnf("handle visitorMsg error: %v", err)
 		_ = transporter.Send(c.GenNatHoleResponse(m.TransactionID, nil, err.Error()))
 		return
 	}
-	log.Trace("handle visitor message, sid [%s], server name: %s", sid, m.ProxyName)
+	log.Tracef("handle visitor message, sid [%s], server name: %s", sid, m.ProxyName)
 
 	defer func() {
 		c.mu.Lock()
@@ -213,14 +213,14 @@ func (c *Controller) HandleVisitor(m *msg.NatHoleVisitor, transporter transport.
 	select {
 	case <-session.notifyCh:
 	case <-time.After(time.Duration(NatHoleTimeout) * time.Second):
-		log.Debug("wait for NatHoleClient message timeout, sid [%s]", sid)
+		log.Debugf("wait for NatHoleClient message timeout, sid [%s]", sid)
 		return
 	}
 
 	// Make hole-punching decisions based on the NAT information of the client and visitor.
 	vResp, cResp, err := c.analysis(session)
 	if err != nil {
-		log.Debug("sid [%s] analysis error: %v", err)
+		log.Debugf("sid [%s] analysis error: %v", err)
 		vResp = c.GenNatHoleResponse(session.visitorMsg.TransactionID, nil, err.Error())
 		cResp = c.GenNatHoleResponse(session.clientMsg.TransactionID, nil, err.Error())
 	}
@@ -257,7 +257,7 @@ func (c *Controller) HandleClient(m *msg.NatHoleClient, transporter transport.Me
 	if !ok {
 		return
 	}
-	log.Trace("handle client message, sid [%s], server name: %s", session.sid, m.ProxyName)
+	log.Tracef("handle client message, sid [%s], server name: %s", session.sid, m.ProxyName)
 	session.clientMsg = m
 	session.clientTransporter = transporter
 	select {
@@ -271,13 +271,13 @@ func (c *Controller) HandleReport(m *msg.NatHoleReport) {
 	session, ok := c.sessions[m.Sid]
 	c.mu.RUnlock()
 	if !ok {
-		log.Trace("sid [%s] report make hole success: %v, but session not found", m.Sid, m.Success)
+		log.Tracef("sid [%s] report make hole success: %v, but session not found", m.Sid, m.Success)
 		return
 	}
 	if m.Success {
 		c.analyzer.ReportSuccess(session.analysisKey, session.recommandMode, session.recommandIndex)
 	}
-	log.Info("sid [%s] report make hole success: %v, mode %v, index %v",
+	log.Infof("sid [%s] report make hole success: %v, mode %v, index %v",
 		m.Sid, m.Success, session.recommandMode, session.recommandIndex)
 }
 
@@ -359,10 +359,10 @@ func (c *Controller) analysis(session *Session) (*msg.NatHoleResp, *msg.NatHoleR
 		},
 	}
 
-	log.Debug("sid [%s] visitor nat: %+v, candidateAddrs: %v; client nat: %+v, candidateAddrs: %v, protocol: %s",
+	log.Debugf("sid [%s] visitor nat: %+v, candidateAddrs: %v; client nat: %+v, candidateAddrs: %v, protocol: %s",
 		session.sid, *vNatFeature, vm.MappedAddrs, *cNatFeature, cm.MappedAddrs, protocol)
-	log.Debug("sid [%s] visitor detect behavior: %+v", session.sid, vResp.DetectBehavior)
-	log.Debug("sid [%s] client detect behavior: %+v", session.sid, cResp.DetectBehavior)
+	log.Debugf("sid [%s] visitor detect behavior: %+v", session.sid, vResp.DetectBehavior)
+	log.Debugf("sid [%s] client detect behavior: %+v", session.sid, cResp.DetectBehavior)
 	return vResp, cResp, nil
 }
 

pkg/nathole/nathole.go

@@ -204,7 +204,7 @@ func MakeHole(ctx context.Context, listenConn *net.UDPConn, m *msg.NatHoleResp,
 			for i := 0; i < m.DetectBehavior.ListenRandomPorts; i++ {
 				tmpConn, err := net.ListenUDP("udp4", nil)
 				if err != nil {
-					xl.Warn("listen random udp addr error: %v", err)
+					xl.Warnf("listen random udp addr error: %v", err)
 					continue
 				}
 				listenConns = append(listenConns, tmpConn)
@@ -216,7 +216,7 @@ func MakeHole(ctx context.Context, listenConn *net.UDPConn, m *msg.NatHoleResp,
 	for _, detectAddr := range detectAddrs {
 		for _, conn := range listenConns {
 			if err := sendSidMessage(ctx, conn, m.Sid, transactionID, detectAddr, key, m.DetectBehavior.TTL); err != nil {
-				xl.Trace("send sid message from %s to %s error: %v", conn.LocalAddr(), detectAddr, err)
+				xl.Tracef("send sid message from %s to %s error: %v", conn.LocalAddr(), detectAddr, err)
 			}
 		}
 	}
@@ -289,16 +289,16 @@ func waitDetectMessage(
 		if err != nil {
 			return nil, err
 		}
-		xl.Debug("get udp message local %s, from %s", conn.LocalAddr(), raddr)
+		xl.Debugf("get udp message local %s, from %s", conn.LocalAddr(), raddr)
 		var m msg.NatHoleSid
 		if err := DecodeMessageInto(buf[:n], key, &m); err != nil {
-			xl.Warn("decode sid message error: %v", err)
+			xl.Warnf("decode sid message error: %v", err)
 			continue
 		}
 		pool.PutBuf(buf)
 
 		if m.Sid != sid {
-			xl.Warn("get sid message with wrong sid: %s, expect: %s", m.Sid, sid)
+			xl.Warnf("get sid message with wrong sid: %s, expect: %s", m.Sid, sid)
 			continue
 		}
 
@@ -311,7 +311,7 @@ func waitDetectMessage(
 			m.Response = true
 			buf2, err := EncodeMessage(&m, key)
 			if err != nil {
-				xl.Warn("encode sid message error: %v", err)
+				xl.Warnf("encode sid message error: %v", err)
 				continue
 			}
 			_, _ = conn.WriteToUDP(buf2, raddr)
@@ -329,7 +329,7 @@ func sendSidMessage(
 	if ttl > 0 {
 		ttlStr = fmt.Sprintf(" with ttl %d", ttl)
 	}
-	xl.Trace("send sid message from %s to %s%s", conn.LocalAddr(), addr, ttlStr)
+	xl.Tracef("send sid message from %s to %s%s", conn.LocalAddr(), addr, ttlStr)
 	raddr, err := net.ResolveUDPAddr("udp4", addr)
 	if err != nil {
 		return err
@@ -351,14 +351,14 @@ func sendSidMessage(
 		uConn := ipv4.NewConn(conn)
 		original, err := uConn.TTL()
 		if err != nil {
-			xl.Trace("get ttl error %v", err)
+			xl.Tracef("get ttl error %v", err)
 			return err
 		}
-		xl.Trace("original ttl %d", original)
+		xl.Tracef("original ttl %d", original)
 
 		err = uConn.SetTTL(ttl)
 		if err != nil {
-			xl.Trace("set ttl error %v", err)
+			xl.Tracef("set ttl error %v", err)
 		} else {
 			defer func() {
 				_ = uConn.SetTTL(original)
@@ -382,7 +382,7 @@ func sendSidMessageToRangePorts(
 			for i := portsRange.From; i <= portsRange.To; i++ {
 				detectAddr := net.JoinHostPort(ip, strconv.Itoa(i))
 				if err := sendFunc(conn, detectAddr); err != nil {
-					xl.Trace("send sid message from %s to %s error: %v", conn.LocalAddr(), detectAddr, err)
+					xl.Tracef("send sid message from %s to %s error: %v", conn.LocalAddr(), detectAddr, err)
 				}
 				time.Sleep(2 * time.Millisecond)
 			}
@@ -422,7 +422,7 @@ func sendSidMessageToRandomPorts(
 		for _, ip := range slices.Compact(parseIPs(addrs)) {
 			detectAddr := net.JoinHostPort(ip, strconv.Itoa(port))
 			if err := sendFunc(conn, detectAddr); err != nil {
-				xl.Trace("send sid message from %s to %s error: %v", conn.LocalAddr(), detectAddr, err)
+				xl.Tracef("send sid message from %s to %s error: %v", conn.LocalAddr(), detectAddr, err)
 			}
 			time.Sleep(time.Millisecond * 15)
 		}

pkg/plugin/server/manager.go

@@ -86,7 +86,7 @@ func (m *Manager) Login(content *LoginContent) (*LoginContent, error) {
 	for _, p := range m.loginPlugins {
 		res, retContent, err = p.Handle(ctx, OpLogin, *content)
 		if err != nil {
-			xl.Warn("send Login request to plugin [%s] error: %v", p.Name(), err)
+			xl.Warnf("send Login request to plugin [%s] error: %v", p.Name(), err)
 			return nil, errors.New("send Login request to plugin error")
 		}
 		if res.Reject {
@@ -120,7 +120,7 @@ func (m *Manager) NewProxy(content *NewProxyContent) (*NewProxyContent, error) {
 	for _, p := range m.newProxyPlugins {
 		res, retContent, err = p.Handle(ctx, OpNewProxy, *content)
 		if err != nil {
-			xl.Warn("send NewProxy request to plugin [%s] error: %v", p.Name(), err)
+			xl.Warnf("send NewProxy request to plugin [%s] error: %v", p.Name(), err)
 			return nil, errors.New("send NewProxy request to plugin error")
 		}
 		if res.Reject {
@@ -147,7 +147,7 @@ func (m *Manager) CloseProxy(content *CloseProxyContent) error {
 	for _, p := range m.closeProxyPlugins {
 		_, _, err := p.Handle(ctx, OpCloseProxy, *content)
 		if err != nil {
-			xl.Warn("send CloseProxy request to plugin [%s] error: %v", p.Name(), err)
+			xl.Warnf("send CloseProxy request to plugin [%s] error: %v", p.Name(), err)
 			errs = append(errs, fmt.Sprintf("[%s]: %v", p.Name(), err))
 		}
 	}
@@ -179,7 +179,7 @@ func (m *Manager) Ping(content *PingContent) (*PingContent, error) {
 	for _, p := range m.pingPlugins {
 		res, retContent, err = p.Handle(ctx, OpPing, *content)
 		if err != nil {
-			xl.Warn("send Ping request to plugin [%s] error: %v", p.Name(), err)
+			xl.Warnf("send Ping request to plugin [%s] error: %v", p.Name(), err)
 			return nil, errors.New("send Ping request to plugin error")
 		}
 		if res.Reject {
@@ -213,7 +213,7 @@ func (m *Manager) NewWorkConn(content *NewWorkConnContent) (*NewWorkConnContent,
 	for _, p := range m.newWorkConnPlugins {
 		res, retContent, err = p.Handle(ctx, OpNewWorkConn, *content)
 		if err != nil {
-			xl.Warn("send NewWorkConn request to plugin [%s] error: %v", p.Name(), err)
+			xl.Warnf("send NewWorkConn request to plugin [%s] error: %v", p.Name(), err)
 			return nil, errors.New("send NewWorkConn request to plugin error")
 		}
 		if res.Reject {
@@ -247,7 +247,7 @@ func (m *Manager) NewUserConn(content *NewUserConnContent) (*NewUserConnContent,
 	for _, p := range m.newUserConnPlugins {
 		res, retContent, err = p.Handle(ctx, OpNewUserConn, *content)
 		if err != nil {
-			xl.Info("send NewUserConn request to plugin [%s] error: %v", p.Name(), err)
+			xl.Infof("send NewUserConn request to plugin [%s] error: %v", p.Name(), err)
 			return nil, errors.New("send NewUserConn request to plugin error")
 		}
 		if res.Reject {

pkg/ssh/gateway.go

@@ -75,7 +75,7 @@ func NewGateway(
 	sshConfig.PublicKeyCallback = func(conn ssh.ConnMetadata, key ssh.PublicKey) (*ssh.Permissions, error) {
 		authorizedKeysMap, err := loadAuthorizedKeysFromFile(cfg.AuthorizedKeysFile)
 		if err != nil {
-			log.Error("load authorized keys file error: %v", err)
+			log.Errorf("load authorized keys file error: %v", err)
 			return nil, fmt.Errorf("internal error")
 		}
 
@@ -120,7 +120,7 @@ func (g *Gateway) handleConn(conn net.Conn) {
 		return
 	}
 	if err := ts.Run(); err != nil {
-		log.Error("ssh tunnel server run error: %v", err)
+		log.Errorf("ssh tunnel server run error: %v", err)
 	}
 }
 

pkg/ssh/server.go

@@ -123,7 +123,7 @@ func (s *TunnelServer) Run() error {
 			// join workConn and ssh channel
 			c, err := s.openConn(addr)
 			if err != nil {
-				log.Trace("open conn error: %v", err)
+				log.Tracef("open conn error: %v", err)
 				workConn.Close()
 				return false
 			}
@@ -167,7 +167,7 @@ func (s *TunnelServer) Run() error {
 
 	if ps, err := s.waitProxyStatusReady(pc.GetBaseConfig().Name, time.Second); err != nil {
 		s.writeToClient(err.Error())
-		log.Warn("wait proxy status ready error: %v", err)
+		log.Warnf("wait proxy status ready error: %v", err)
 	} else {
 		// success
 		s.writeToClient(createSuccessInfo(clientCfg.User, pc, ps))
@@ -175,7 +175,7 @@ func (s *TunnelServer) Run() error {
 	}
 
 	s.vc.Close()
-	log.Trace("ssh tunnel connection from %v closed", sshConn.RemoteAddr())
+	log.Tracef("ssh tunnel connection from %v closed", sshConn.RemoteAddr())
 	s.closeDoneChOnce.Do(func() {
 		_ = sshConn.Close()
 		close(s.doneCh)

pkg/util/log/log.go

@@ -15,78 +15,65 @@
 package log
 
 import (
-	"fmt"
+	"os"
 
-	"github.com/fatedier/beego/logs"
+	"github.com/fatedier/golib/log"
 )
 
-// Log is the under log object
-var Log *logs.BeeLogger
+var Logger *log.Logger
 
 func init() {
-	Log = logs.NewLogger(200)
-	Log.EnableFuncCallDepth(true)
-	Log.SetLogFuncCallDepth(Log.GetLogFuncCallDepth() + 1)
+	Logger = log.New(
+		log.WithCaller(true),
+		log.AddCallerSkip(1),
+		log.WithLevel(log.InfoLevel),
+	)
 }
 
-func InitLog(logFile string, logLevel string, maxdays int64, disableLogColor bool) {
-	SetLogFile(logFile, maxdays, disableLogColor)
-	SetLogLevel(logLevel)
-}
-
-// SetLogFile to configure log params
-func SetLogFile(logFile string, maxdays int64, disableLogColor bool) {
-	if logFile == "console" {
-		params := ""
-		if disableLogColor {
-			params = `{"color": false}`
+func InitLogger(logPath string, levelStr string, maxDays int, disableLogColor bool) {
+	options := []log.Option{}
+	if logPath == "console" {
+		if !disableLogColor {
+			options = append(options,
+				log.WithOutput(log.NewConsoleWriter(log.ConsoleConfig{
+					Colorful: true,
+				}, os.Stdout)),
+			)
 		}
-		_ = Log.SetLogger("console", params)
 	} else {
-		params := fmt.Sprintf(`{"filename": "%s", "maxdays": %d}`, logFile, maxdays)
-		_ = Log.SetLogger("file", params)
+		writer := log.NewRotateFileWriter(log.RotateFileConfig{
+			FileName: logPath,
+			Mode:     log.RotateFileModeDaily,
+			MaxDays:  maxDays,
+		})
+		writer.Init()
+		options = append(options, log.WithOutput(writer))
 	}
-}
 
-// SetLogLevel set log level, default is warning
-// value: error, warning, info, debug, trace
-func SetLogLevel(logLevel string) {
-	var level int
-	switch logLevel {
-	case "error":
-		level = 3
-	case "warn":
-		level = 4
-	case "info":
-		level = 6
-	case "debug":
-		level = 7
-	case "trace":
-		level = 8
-	default:
-		level = 4 // warning
+	level, err := log.ParseLevel(levelStr)
+	if err != nil {
+		level = log.InfoLevel
 	}
-	Log.SetLevel(level)
+	options = append(options, log.WithLevel(level))
+	Logger = Logger.WithOptions(options...)
 }
 
-// wrap log
-
-func Error(format string, v ...interface{}) {
-	Log.Error(format, v...)
+func Errorf(format string, v ...interface{}) {
+	Logger.Errorf(format, v...)
 }
 
-func Warn(format string, v ...interface{}) {
-	Log.Warn(format, v...)
+func Warnf(format string, v ...interface{}) {
+	Logger.Warnf(format, v...)
 }
 
-func Info(format string, v ...interface{}) {
-	Log.Info(format, v...)
+func Infof(format string, v ...interface{}) {
+	Logger.Infof(format, v...)
 }
 
-func Debug(format string, v ...interface{}) {
-	Log.Debug(format, v...)
+func Debugf(format string, v ...interface{}) {
+	Logger.Debugf(format, v...)
 }
 
-func Trace(format string, v ...interface{}) {
-	Log.Trace(format, v...)
+func Tracef(format string, v ...interface{}) {
+	Logger.Tracef(format, v...)
 }

pkg/util/vhost/http.go

@@ -20,7 +20,7 @@ import (
 	"encoding/base64"
 	"errors"
 	"fmt"
-	"log"
+	stdlog "log"
 	"net"
 	"net/http"
 	"net/http/httputil"
@@ -32,7 +32,7 @@ import (
 	"github.com/fatedier/golib/pool"
 
 	httppkg "github.com/fatedier/frp/pkg/util/http"
-	logpkg "github.com/fatedier/frp/pkg/util/log"
+	"github.com/fatedier/frp/pkg/util/log"
 )
 
 var ErrNoRouteFound = errors.New("no route found")
@@ -76,7 +76,7 @@ func NewHTTPReverseProxy(option HTTPReverseProxyOptions, vhostRouter *Routers) *
 					// ignore error here, it will use CreateConnFn instead later
 					endpoint, _ = rc.ChooseEndpointFn()
 					reqRouteInfo.Endpoint = endpoint
-					logpkg.Trace("choose endpoint name [%s] for http request host [%s] path [%s] httpuser [%s]",
+					log.Tracef("choose endpoint name [%s] for http request host [%s] path [%s] httpuser [%s]",
 						endpoint, oldHost, reqRouteInfo.URL, reqRouteInfo.HTTPUser)
 				}
 				// Set {domain}.{location}.{routeByHTTPUser}.{endpoint} as URL host here to let http transport reuse connections.
@@ -116,9 +116,9 @@ func NewHTTPReverseProxy(option HTTPReverseProxyOptions, vhostRouter *Routers) *
 			},
 		},
 		BufferPool: newWrapPool(),
-		ErrorLog:   log.New(newWrapLogger(), "", 0),
+		ErrorLog:   stdlog.New(newWrapLogger(), "", 0),
 		ErrorHandler: func(rw http.ResponseWriter, req *http.Request, err error) {
-			logpkg.Warn("do http proxy request [host: %s] error: %v", req.Host, err)
+			log.Warnf("do http proxy request [host: %s] error: %v", req.Host, err)
 			rw.WriteHeader(http.StatusNotFound)
 			_, _ = rw.Write(getNotFoundPageContent())
 		},
@@ -145,7 +145,7 @@ func (rp *HTTPReverseProxy) UnRegister(routeCfg RouteConfig) {
 func (rp *HTTPReverseProxy) GetRouteConfig(domain, location, routeByHTTPUser string) *RouteConfig {
 	vr, ok := rp.getVhost(domain, location, routeByHTTPUser)
 	if ok {
-		logpkg.Debug("get new HTTP request host [%s] path [%s] httpuser [%s]", domain, location, routeByHTTPUser)
+		log.Debugf("get new HTTP request host [%s] path [%s] httpuser [%s]", domain, location, routeByHTTPUser)
 		return vr.payload.(*RouteConfig)
 	}
 	return nil
@@ -335,6 +335,6 @@ type wrapLogger struct{}
 func newWrapLogger() *wrapLogger { return &wrapLogger{} }
 
 func (l *wrapLogger) Write(p []byte) (n int, err error) {
-	logpkg.Warn("%s", string(bytes.TrimRight(p, "\n")))
+	log.Warnf("%s", string(bytes.TrimRight(p, "\n")))
 	return len(p), nil
 }

pkg/util/vhost/resource.go

@@ -20,7 +20,7 @@ import (
 	"net/http"
 	"os"
 
-	logpkg "github.com/fatedier/frp/pkg/util/log"
+	"github.com/fatedier/frp/pkg/util/log"
 	"github.com/fatedier/frp/pkg/util/version"
 )
 
@@ -58,7 +58,7 @@ func getNotFoundPageContent() []byte {
 	if NotFoundPagePath != "" {
 		buf, err = os.ReadFile(NotFoundPagePath)
 		if err != nil {
-			logpkg.Warn("read custom 404 page error: %v", err)
+			log.Warnf("read custom 404 page error: %v", err)
 			buf = []byte(NotFound)
 		}
 	} else {

pkg/util/vhost/vhost.go

@@ -203,7 +203,7 @@ func (v *Muxer) handle(c net.Conn) {
 
 	sConn, reqInfoMap, err := v.vhostFunc(c)
 	if err != nil {
-		log.Debug("get hostname from http/https request error: %v", err)
+		log.Debugf("get hostname from http/https request error: %v", err)
 		_ = c.Close()
 		return
 	}
@@ -213,7 +213,7 @@ func (v *Muxer) handle(c net.Conn) {
 	httpUser := reqInfoMap["HTTPUser"]
 	l, ok := v.getListener(name, path, httpUser)
 	if !ok {
-		log.Debug("http request for host [%s] path [%s] httpUser [%s] not found", name, path, httpUser)
+		log.Debugf("http request for host [%s] path [%s] httpUser [%s] not found", name, path, httpUser)
 		v.failHook(sConn)
 		return
 	}
@@ -221,7 +221,7 @@ func (v *Muxer) handle(c net.Conn) {
 	xl := xlog.FromContextSafe(l.ctx)
 	if v.successHook != nil {
 		if err := v.successHook(c, reqInfoMap); err != nil {
-			xl.Info("success func failure on vhost connection: %v", err)
+			xl.Infof("success func failure on vhost connection: %v", err)
 			_ = c.Close()
 			return
 		}
@@ -232,7 +232,7 @@ func (v *Muxer) handle(c net.Conn) {
 	if l.mux.checkAuth != nil && l.username != "" {
 		ok, err := l.mux.checkAuth(c, l.username, l.password, reqInfoMap)
 		if !ok || err != nil {
-			xl.Debug("auth failed for user: %s", l.username)
+			xl.Debugf("auth failed for user: %s", l.username)
 			_ = c.Close()
 			return
 		}
@@ -244,12 +244,12 @@ func (v *Muxer) handle(c net.Conn) {
 	}
 	c = sConn
 
-	xl.Debug("new request host [%s] path [%s] httpUser [%s]", name, path, httpUser)
+	xl.Debugf("new request host [%s] path [%s] httpUser [%s]", name, path, httpUser)
 	err = errors.PanicToError(func() {
 		l.accept <- c
 	})
 	if err != nil {
-		xl.Warn("listener is already closed, ignore this request")
+		xl.Warnf("listener is already closed, ignore this request")
 	}
 }
 
@@ -278,10 +278,10 @@ func (l *Listener) Accept() (net.Conn, error) {
 	if l.mux.rewriteHost != nil {
 		sConn, err := l.mux.rewriteHost(conn, l.rewriteHost)
 		if err != nil {
-			xl.Warn("host header rewrite failed: %v", err)
+			xl.Warnf("host header rewrite failed: %v", err)
 			return nil, fmt.Errorf("host header rewrite failed")
 		}
-		xl.Debug("rewrite host to [%s] success", l.rewriteHost)
+		xl.Debugf("rewrite host to [%s] success", l.rewriteHost)
 		conn = sConn
 	}
 	return netpkg.NewContextConn(l.ctx, conn), nil

pkg/util/xlog/xlog.go

@@ -94,22 +94,22 @@ func (l *Logger) Spawn() *Logger {
 	return nl
 }
 
-func (l *Logger) Error(format string, v ...interface{}) {
-	log.Log.Error(l.prefixString+format, v...)
+func (l *Logger) Errorf(format string, v ...interface{}) {
+	log.Logger.Errorf(l.prefixString+format, v...)
 }
 
-func (l *Logger) Warn(format string, v ...interface{}) {
-	log.Log.Warn(l.prefixString+format, v...)
+func (l *Logger) Warnf(format string, v ...interface{}) {
+	log.Logger.Warnf(l.prefixString+format, v...)
 }
 
-func (l *Logger) Info(format string, v ...interface{}) {
-	log.Log.Info(l.prefixString+format, v...)
+func (l *Logger) Infof(format string, v ...interface{}) {
+	log.Logger.Infof(l.prefixString+format, v...)
 }
 
-func (l *Logger) Debug(format string, v ...interface{}) {
-	log.Log.Debug(l.prefixString+format, v...)
+func (l *Logger) Debugf(format string, v ...interface{}) {
+	log.Logger.Debugf(l.prefixString+format, v...)
 }
 
-func (l *Logger) Trace(format string, v ...interface{}) {
-	log.Log.Trace(l.prefixString+format, v...)
+func (l *Logger) Tracef(format string, v ...interface{}) {
+	log.Logger.Tracef(l.prefixString+format, v...)
 }

server/control.go

@@ -224,7 +224,7 @@ func (ctl *Control) Close() error {
 
 func (ctl *Control) Replaced(newCtl *Control) {
 	xl := ctl.xl
-	xl.Info("Replaced by client [%s]", newCtl.runID)
+	xl.Infof("Replaced by client [%s]", newCtl.runID)
 	ctl.runID = ""
 	ctl.conn.Close()
 }
@@ -233,17 +233,17 @@ func (ctl *Control) RegisterWorkConn(conn net.Conn) error {
 	xl := ctl.xl
 	defer func() {
 		if err := recover(); err != nil {
-			xl.Error("panic error: %v", err)
-			xl.Error(string(debug.Stack()))
+			xl.Errorf("panic error: %v", err)
+			xl.Errorf(string(debug.Stack()))
 		}
 	}()
 
 	select {
 	case ctl.workConnCh <- conn:
-		xl.Debug("new work connection registered")
+		xl.Debugf("new work connection registered")
 		return nil
 	default:
-		xl.Debug("work connection pool is full, discarding")
+		xl.Debugf("work connection pool is full, discarding")
 		return fmt.Errorf("work connection pool is full, discarding")
 	}
 }
@@ -256,8 +256,8 @@ func (ctl *Control) GetWorkConn() (workConn net.Conn, err error) {
 	xl := ctl.xl
 	defer func() {
 		if err := recover(); err != nil {
-			xl.Error("panic error: %v", err)
-			xl.Error(string(debug.Stack()))
+			xl.Errorf("panic error: %v", err)
+			xl.Errorf(string(debug.Stack()))
 		}
 	}()
 
@@ -269,7 +269,7 @@ func (ctl *Control) GetWorkConn() (workConn net.Conn, err error) {
 			err = pkgerr.ErrCtlClosed
 			return
 		}
-		xl.Debug("get work connection from pool")
+		xl.Debugf("get work connection from pool")
 	default:
 		// no work connections available in the poll, send message to frpc to get more
 		if err := ctl.msgDispatcher.Send(&msg.ReqWorkConn{}); err != nil {
@@ -280,13 +280,13 @@ func (ctl *Control) GetWorkConn() (workConn net.Conn, err error) {
 		case workConn, ok = <-ctl.workConnCh:
 			if !ok {
 				err = pkgerr.ErrCtlClosed
-				xl.Warn("no work connections available, %v", err)
+				xl.Warnf("no work connections available, %v", err)
 				return
 			}
 
 		case <-time.After(time.Duration(ctl.serverCfg.UserConnTimeout) * time.Second):
 			err = fmt.Errorf("timeout trying to get work connection")
-			xl.Warn("%v", err)
+			xl.Warnf("%v", err)
 			return
 		}
 	}
@@ -305,7 +305,7 @@ func (ctl *Control) heartbeatWorker() {
 	if !lo.FromPtr(ctl.serverCfg.Transport.TCPMux) && ctl.serverCfg.Transport.HeartbeatTimeout > 0 {
 		go wait.Until(func() {
 			if time.Since(ctl.lastPing.Load().(time.Time)) > time.Duration(ctl.serverCfg.Transport.HeartbeatTimeout)*time.Second {
-				xl.Warn("heartbeat timeout")
+				xl.Warnf("heartbeat timeout")
 				ctl.conn.Close()
 				return
 			}
@@ -356,7 +356,7 @@ func (ctl *Control) worker() {
 	}
 
 	metrics.Server.CloseClient()
-	xl.Info("client exit success")
+	xl.Infof("client exit success")
 	close(ctl.doneCh)
 }
 
@@ -393,12 +393,12 @@ func (ctl *Control) handleNewProxy(m msg.Message) {
 		ProxyName: inMsg.ProxyName,
 	}
 	if err != nil {
-		xl.Warn("new proxy [%s] type [%s] error: %v", inMsg.ProxyName, inMsg.ProxyType, err)
+		xl.Warnf("new proxy [%s] type [%s] error: %v", inMsg.ProxyName, inMsg.ProxyType, err)
 		resp.Error = util.GenerateResponseErrorString(fmt.Sprintf("new proxy [%s] error", inMsg.ProxyName),
 			err, lo.FromPtr(ctl.serverCfg.DetailedErrorsToClient))
 	} else {
 		resp.RemoteAddr = remoteAddr
-		xl.Info("new proxy [%s] type [%s] success", inMsg.ProxyName, inMsg.ProxyType)
+		xl.Infof("new proxy [%s] type [%s] success", inMsg.ProxyName, inMsg.ProxyType)
 		metrics.Server.NewProxy(inMsg.ProxyName, inMsg.ProxyType)
 	}
 	_ = ctl.msgDispatcher.Send(resp)
@@ -422,14 +422,14 @@ func (ctl *Control) handlePing(m msg.Message) {
 		err = ctl.authVerifier.VerifyPing(inMsg)
 	}
 	if err != nil {
-		xl.Warn("received invalid ping: %v", err)
+		xl.Warnf("received invalid ping: %v", err)
 		_ = ctl.msgDispatcher.Send(&msg.Pong{
 			Error: util.GenerateResponseErrorString("invalid ping", err, lo.FromPtr(ctl.serverCfg.DetailedErrorsToClient)),
 		})
 		return
 	}
 	ctl.lastPing.Store(time.Now())
-	xl.Debug("receive heartbeat")
+	xl.Debugf("receive heartbeat")
 	_ = ctl.msgDispatcher.Send(&msg.Pong{})
 }
 
@@ -452,7 +452,7 @@ func (ctl *Control) handleCloseProxy(m msg.Message) {
 	xl := ctl.xl
 	inMsg := m.(*msg.CloseProxy)
 	_ = ctl.CloseProxy(inMsg)
-	xl.Info("close proxy [%s] success", inMsg.ProxyName)
+	xl.Infof("close proxy [%s] success", inMsg.ProxyName)
 }
 
 func (ctl *Control) RegisterProxy(pxyMsg *msg.NewProxy) (remoteAddr string, err error) {

server/dashboard_api.go

@@ -99,14 +99,14 @@ func (svr *Service) healthz(w http.ResponseWriter, _ *http.Request) {
 func (svr *Service) apiServerInfo(w http.ResponseWriter, r *http.Request) {
 	res := GeneralResponse{Code: 200}
 	defer func() {
-		log.Info("Http response [%s]: code [%d]", r.URL.Path, res.Code)
+		log.Infof("Http response [%s]: code [%d]", r.URL.Path, res.Code)
 		w.WriteHeader(res.Code)
 		if len(res.Msg) > 0 {
 			_, _ = w.Write([]byte(res.Msg))
 		}
 	}()
 
-	log.Info("Http request: [%s]", r.URL.Path)
+	log.Infof("Http request: [%s]", r.URL.Path)
 	serverStats := mem.StatsCollector.GetServer()
 	svrResp := serverInfoResp{
 		Version:               version.Full(),
@@ -219,13 +219,13 @@ func (svr *Service) apiProxyByType(w http.ResponseWriter, r *http.Request) {
 	proxyType := params["type"]
 
 	defer func() {
-		log.Info("Http response [%s]: code [%d]", r.URL.Path, res.Code)
+		log.Infof("Http response [%s]: code [%d]", r.URL.Path, res.Code)
 		w.WriteHeader(res.Code)
 		if len(res.Msg) > 0 {
 			_, _ = w.Write([]byte(res.Msg))
 		}
 	}()
-	log.Info("Http request: [%s]", r.URL.Path)
+	log.Infof("Http request: [%s]", r.URL.Path)
 
 	proxyInfoResp := GetProxyInfoResp{}
 	proxyInfoResp.Proxies = svr.getProxyStatsByType(proxyType)
@@ -245,12 +245,12 @@ func (svr *Service) getProxyStatsByType(proxyType string) (proxyInfos []*ProxySt
 		if pxy, ok := svr.pxyManager.GetByName(ps.Name); ok {
 			content, err := json.Marshal(pxy.GetConfigurer())
 			if err != nil {
-				log.Warn("marshal proxy [%s] conf info error: %v", ps.Name, err)
+				log.Warnf("marshal proxy [%s] conf info error: %v", ps.Name, err)
 				continue
 			}
 			proxyInfo.Conf = getConfByType(ps.Type)
 			if err = json.Unmarshal(content, &proxyInfo.Conf); err != nil {
-				log.Warn("unmarshal proxy [%s] conf info error: %v", ps.Name, err)
+				log.Warnf("unmarshal proxy [%s] conf info error: %v", ps.Name, err)
 				continue
 			}
 			proxyInfo.Status = "online"
@@ -291,13 +291,13 @@ func (svr *Service) apiProxyByTypeAndName(w http.ResponseWriter, r *http.Request
 	name := params["name"]
 
 	defer func() {
-		log.Info("Http response [%s]: code [%d]", r.URL.Path, res.Code)
+		log.Infof("Http response [%s]: code [%d]", r.URL.Path, res.Code)
 		w.WriteHeader(res.Code)
 		if len(res.Msg) > 0 {
 			_, _ = w.Write([]byte(res.Msg))
 		}
 	}()
-	log.Info("Http request: [%s]", r.URL.Path)
+	log.Infof("Http request: [%s]", r.URL.Path)
 
 	var proxyStatsResp GetProxyStatsResp
 	proxyStatsResp, res.Code, res.Msg = svr.getProxyStatsByTypeAndName(proxyType, name)
@@ -319,14 +319,14 @@ func (svr *Service) getProxyStatsByTypeAndName(proxyType string, proxyName strin
 		if pxy, ok := svr.pxyManager.GetByName(proxyName); ok {
 			content, err := json.Marshal(pxy.GetConfigurer())
 			if err != nil {
-				log.Warn("marshal proxy [%s] conf info error: %v", ps.Name, err)
+				log.Warnf("marshal proxy [%s] conf info error: %v", ps.Name, err)
 				code = 400
 				msg = "parse conf error"
 				return
 			}
 			proxyInfo.Conf = getConfByType(ps.Type)
 			if err = json.Unmarshal(content, &proxyInfo.Conf); err != nil {
-				log.Warn("unmarshal proxy [%s] conf info error: %v", ps.Name, err)
+				log.Warnf("unmarshal proxy [%s] conf info error: %v", ps.Name, err)
 				code = 400
 				msg = "parse conf error"
 				return
@@ -359,13 +359,13 @@ func (svr *Service) apiProxyTraffic(w http.ResponseWriter, r *http.Request) {
 	name := params["name"]
 
 	defer func() {
-		log.Info("Http response [%s]: code [%d]", r.URL.Path, res.Code)
+		log.Infof("Http response [%s]: code [%d]", r.URL.Path, res.Code)
 		w.WriteHeader(res.Code)
 		if len(res.Msg) > 0 {
 			_, _ = w.Write([]byte(res.Msg))
 		}
 	}()
-	log.Info("Http request: [%s]", r.URL.Path)
+	log.Infof("Http request: [%s]", r.URL.Path)
 
 	trafficResp := GetProxyTrafficResp{}
 	trafficResp.Name = name
@@ -387,9 +387,9 @@ func (svr *Service) apiProxyTraffic(w http.ResponseWriter, r *http.Request) {
 func (svr *Service) deleteProxies(w http.ResponseWriter, r *http.Request) {
 	res := GeneralResponse{Code: 200}
 
-	log.Info("Http request: [%s]", r.URL.Path)
+	log.Infof("Http request: [%s]", r.URL.Path)
 	defer func() {
-		log.Info("Http response [%s]: code [%d]", r.URL.Path, res.Code)
+		log.Infof("Http response [%s]: code [%d]", r.URL.Path, res.Code)
 		w.WriteHeader(res.Code)
 		if len(res.Msg) > 0 {
 			_, _ = w.Write([]byte(res.Msg))
@@ -403,5 +403,5 @@ func (svr *Service) deleteProxies(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	cleared, total := mem.StatsCollector.ClearOfflineProxies()
-	log.Info("cleared [%d] offline proxies, total [%d] proxies", cleared, total)
+	log.Infof("cleared [%d] offline proxies, total [%d] proxies", cleared, total)
 }

server/proxy/http.go

@@ -107,7 +107,7 @@ func (pxy *HTTPProxy) Run() (remoteAddr string, err error) {
 				})
 			}
 			addrs = append(addrs, util.CanonicalAddr(routeConfig.Domain, pxy.serverCfg.VhostHTTPPort))
-			xl.Info("http proxy listen for host [%s] location [%s] group [%s], routeByHTTPUser [%s]",
+			xl.Infof("http proxy listen for host [%s] location [%s] group [%s], routeByHTTPUser [%s]",
 				routeConfig.Domain, routeConfig.Location, pxy.cfg.LoadBalancer.Group, pxy.cfg.RouteByHTTPUser)
 		}
 	}
@@ -140,7 +140,7 @@ func (pxy *HTTPProxy) Run() (remoteAddr string, err error) {
 			}
 			addrs = append(addrs, util.CanonicalAddr(tmpRouteConfig.Domain, pxy.serverCfg.VhostHTTPPort))
 
-			xl.Info("http proxy listen for host [%s] location [%s] group [%s], routeByHTTPUser [%s]",
+			xl.Infof("http proxy listen for host [%s] location [%s] group [%s], routeByHTTPUser [%s]",
 				routeConfig.Domain, routeConfig.Location, pxy.cfg.LoadBalancer.Group, pxy.cfg.RouteByHTTPUser)
 		}
 	}
@@ -152,7 +152,7 @@ func (pxy *HTTPProxy) GetRealConn(remoteAddr string) (workConn net.Conn, err err
 	xl := pxy.xl
 	rAddr, errRet := net.ResolveTCPAddr("tcp", remoteAddr)
 	if errRet != nil {
-		xl.Warn("resolve TCP addr [%s] error: %v", remoteAddr, errRet)
+		xl.Warnf("resolve TCP addr [%s] error: %v", remoteAddr, errRet)
 		// we do not return error here since remoteAddr is not necessary for proxies without proxy protocol enabled
 	}
 
@@ -166,7 +166,7 @@ func (pxy *HTTPProxy) GetRealConn(remoteAddr string) (workConn net.Conn, err err
 	if pxy.cfg.Transport.UseEncryption {
 		rwc, err = libio.WithEncryption(rwc, []byte(pxy.serverCfg.Auth.Token))
 		if err != nil {
-			xl.Error("create encryption stream error: %v", err)
+			xl.Errorf("create encryption stream error: %v", err)
 			return
 		}
 	}

server/proxy/https.go

@@ -64,7 +64,7 @@ func (pxy *HTTPSProxy) Run() (remoteAddr string, err error) {
 			err = errRet
 			return
 		}
-		xl.Info("https proxy listen for host [%s]", routeConfig.Domain)
+		xl.Infof("https proxy listen for host [%s]", routeConfig.Domain)
 		pxy.listeners = append(pxy.listeners, l)
 		addrs = append(addrs, util.CanonicalAddr(routeConfig.Domain, pxy.serverCfg.VhostHTTPSPort))
 	}
@@ -76,7 +76,7 @@ func (pxy *HTTPSProxy) Run() (remoteAddr string, err error) {
 			err = errRet
 			return
 		}
-		xl.Info("https proxy listen for host [%s]", routeConfig.Domain)
+		xl.Infof("https proxy listen for host [%s]", routeConfig.Domain)
 		pxy.listeners = append(pxy.listeners, l)
 		addrs = append(addrs, util.CanonicalAddr(routeConfig.Domain, pxy.serverCfg.VhostHTTPSPort))
 	}

server/proxy/proxy.go

@@ -112,7 +112,7 @@ func (pxy *BaseProxy) GetConfigurer() v1.ProxyConfigurer {
 
 func (pxy *BaseProxy) Close() {
 	xl := xlog.FromContextSafe(pxy.ctx)
-	xl.Info("proxy closing")
+	xl.Infof("proxy closing")
 	for _, l := range pxy.listeners {
 		l.Close()
 	}
@@ -125,10 +125,10 @@ func (pxy *BaseProxy) GetWorkConnFromPool(src, dst net.Addr) (workConn net.Conn,
 	// try all connections from the pool
 	for i := 0; i < pxy.poolCount+1; i++ {
 		if workConn, err = pxy.getWorkConnFn(); err != nil {
-			xl.Warn("failed to get work connection: %v", err)
+			xl.Warnf("failed to get work connection: %v", err)
 			return
 		}
-		xl.Debug("get a new work connection: [%s]", workConn.RemoteAddr().String())
+		xl.Debugf("get a new work connection: [%s]", workConn.RemoteAddr().String())
 		xl.Spawn().AppendPrefix(pxy.GetName())
 		workConn = netpkg.NewContextConn(pxy.ctx, workConn)
 
@@ -158,7 +158,7 @@ func (pxy *BaseProxy) GetWorkConnFromPool(src, dst net.Addr) (workConn net.Conn,
 			Error:     "",
 		})
 		if err != nil {
-			xl.Warn("failed to send message to work connection from pool: %v, times: %d", err, i)
+			xl.Warnf("failed to send message to work connection from pool: %v, times: %d", err, i)
 			workConn.Close()
 		} else {
 			break
@@ -166,7 +166,7 @@ func (pxy *BaseProxy) GetWorkConnFromPool(src, dst net.Addr) (workConn net.Conn,
 	}
 
 	if err != nil {
-		xl.Error("try to get work connection failed in the end")
+		xl.Errorf("try to get work connection failed in the end")
 		return
 	}
 	return
@@ -193,15 +193,15 @@ func (pxy *BaseProxy) startCommonTCPListenersHandler() {
 						if max := 1 * time.Second; tempDelay > max {
 							tempDelay = max
 						}
-						xl.Info("met temporary error: %s, sleep for %s ...", err, tempDelay)
+						xl.Infof("met temporary error: %s, sleep for %s ...", err, tempDelay)
 						time.Sleep(tempDelay)
 						continue
 					}
 
-					xl.Warn("listener is closed: %s", err)
+					xl.Warnf("listener is closed: %s", err)
 					return
 				}
-				xl.Info("get a user connection [%s]", c.RemoteAddr().String())
+				xl.Infof("get a user connection [%s]", c.RemoteAddr().String())
 				go pxy.handleUserTCPConnection(c)
 			}
 		}(listener)
@@ -225,7 +225,7 @@ func (pxy *BaseProxy) handleUserTCPConnection(userConn net.Conn) {
 	}
 	_, err := rc.PluginManager.NewUserConn(content)
 	if err != nil {
-		xl.Warn("the user conn [%s] was rejected, err:%v", content.RemoteAddr, err)
+		xl.Warnf("the user conn [%s] was rejected, err:%v", content.RemoteAddr, err)
 		return
 	}
 
@@ -237,12 +237,12 @@ func (pxy *BaseProxy) handleUserTCPConnection(userConn net.Conn) {
 	defer workConn.Close()
 
 	var local io.ReadWriteCloser = workConn
-	xl.Trace("handler user tcp connection, use_encryption: %t, use_compression: %t",
+	xl.Tracef("handler user tcp connection, use_encryption: %t, use_compression: %t",
 		cfg.Transport.UseEncryption, cfg.Transport.UseCompression)
 	if cfg.Transport.UseEncryption {
 		local, err = libio.WithEncryption(local, []byte(serverCfg.Auth.Token))
 		if err != nil {
-			xl.Error("create encryption stream error: %v", err)
+			xl.Errorf("create encryption stream error: %v", err)
 			return
 		}
 	}
@@ -258,7 +258,7 @@ func (pxy *BaseProxy) handleUserTCPConnection(userConn net.Conn) {
 		})
 	}
 
-	xl.Debug("join connections, workConn(l[%s] r[%s]) userConn(l[%s] r[%s])", workConn.LocalAddr().String(),
+	xl.Debugf("join connections, workConn(l[%s] r[%s]) userConn(l[%s] r[%s])", workConn.LocalAddr().String(),
 		workConn.RemoteAddr().String(), userConn.LocalAddr().String(), userConn.RemoteAddr().String())
 
 	name := pxy.GetName()
@@ -268,7 +268,7 @@ func (pxy *BaseProxy) handleUserTCPConnection(userConn net.Conn) {
 	metrics.Server.CloseConnection(name, proxyType)
 	metrics.Server.AddTrafficIn(name, proxyType, inCount)
 	metrics.Server.AddTrafficOut(name, proxyType, outCount)
-	xl.Debug("join connections closed")
+	xl.Debugf("join connections closed")
 }
 
 type Options struct {

server/proxy/stcp.go

@@ -53,7 +53,7 @@ func (pxy *STCPProxy) Run() (remoteAddr string, err error) {
 		return
 	}
 	pxy.listeners = append(pxy.listeners, listener)
-	xl.Info("stcp proxy custom listen success")
+	xl.Infof("stcp proxy custom listen success")
 
 	pxy.startCommonTCPListenersHandler()
 	return

server/proxy/sudp.go

@@ -53,7 +53,7 @@ func (pxy *SUDPProxy) Run() (remoteAddr string, err error) {
 		return
 	}
 	pxy.listeners = append(pxy.listeners, listener)
-	xl.Info("sudp proxy custom listen success")
+	xl.Infof("sudp proxy custom listen success")
 
 	pxy.startCommonTCPListenersHandler()
 	return

server/proxy/tcp.go

@@ -62,7 +62,7 @@ func (pxy *TCPProxy) Run() (remoteAddr string, err error) {
 		}()
 		pxy.realBindPort = realBindPort
 		pxy.listeners = append(pxy.listeners, l)
-		xl.Info("tcp proxy listen port [%d] in group [%s]", pxy.cfg.RemotePort, pxy.cfg.LoadBalancer.Group)
+		xl.Infof("tcp proxy listen port [%d] in group [%s]", pxy.cfg.RemotePort, pxy.cfg.LoadBalancer.Group)
 	} else {
 		pxy.realBindPort, err = pxy.rc.TCPPortManager.Acquire(pxy.name, pxy.cfg.RemotePort)
 		if err != nil {
@@ -79,7 +79,7 @@ func (pxy *TCPProxy) Run() (remoteAddr string, err error) {
 			return
 		}
 		pxy.listeners = append(pxy.listeners, listener)
-		xl.Info("tcp proxy listen port [%d]", pxy.cfg.RemotePort)
+		xl.Infof("tcp proxy listen port [%d]", pxy.cfg.RemotePort)
 	}
 
 	pxy.cfg.RemotePort = pxy.realBindPort

server/proxy/tcpmux.go

@@ -65,7 +65,7 @@ func (pxy *TCPMuxProxy) httpConnectListen(
 	if err != nil {
 		return nil, err
 	}
-	pxy.xl.Info("tcpmux httpconnect multiplexer listens for host [%s], group [%s] routeByHTTPUser [%s]",
+	pxy.xl.Infof("tcpmux httpconnect multiplexer listens for host [%s], group [%s] routeByHTTPUser [%s]",
 		domain, pxy.cfg.LoadBalancer.Group, pxy.cfg.RouteByHTTPUser)
 	pxy.listeners = append(pxy.listeners, l)
 	return append(addrs, util.CanonicalAddr(domain, pxy.serverCfg.TCPMuxHTTPConnectPort)), nil

server/proxy/udp.go

@@ -97,10 +97,10 @@ func (pxy *UDPProxy) Run() (remoteAddr string, err error) {
 	udpConn, errRet := net.ListenUDP("udp", addr)
 	if errRet != nil {
 		err = errRet
-		xl.Warn("listen udp port error: %v", err)
+		xl.Warnf("listen udp port error: %v", err)
 		return
 	}
-	xl.Info("udp proxy listen port [%d]", pxy.cfg.RemotePort)
+	xl.Infof("udp proxy listen port [%d]", pxy.cfg.RemotePort)
 
 	pxy.udpConn = udpConn
 	pxy.sendCh = make(chan *msg.UDPPacket, 1024)
@@ -114,11 +114,11 @@ func (pxy *UDPProxy) Run() (remoteAddr string, err error) {
 				rawMsg msg.Message
 				errRet error
 			)
-			xl.Trace("loop waiting message from udp workConn")
+			xl.Tracef("loop waiting message from udp workConn")
 			// client will send heartbeat in workConn for keeping alive
 			_ = conn.SetReadDeadline(time.Now().Add(time.Duration(60) * time.Second))
 			if rawMsg, errRet = msg.ReadMsg(conn); errRet != nil {
-				xl.Warn("read from workConn for udp error: %v", errRet)
+				xl.Warnf("read from workConn for udp error: %v", errRet)
 				_ = conn.Close()
 				// notify proxy to start a new work connection
 				// ignore error here, it means the proxy is closed
@@ -128,15 +128,15 @@ func (pxy *UDPProxy) Run() (remoteAddr string, err error) {
 				return
 			}
 			if err := conn.SetReadDeadline(time.Time{}); err != nil {
-				xl.Warn("set read deadline error: %v", err)
+				xl.Warnf("set read deadline error: %v", err)
 			}
 			switch m := rawMsg.(type) {
 			case *msg.Ping:
-				xl.Trace("udp work conn get ping message")
+				xl.Tracef("udp work conn get ping message")
 				continue
 			case *msg.UDPPacket:
 				if errRet := errors.PanicToError(func() {
-					xl.Trace("get udp message from workConn: %s", m.Content)
+					xl.Tracef("get udp message from workConn: %s", m.Content)
 					pxy.readCh <- m
 					metrics.Server.AddTrafficOut(
 						pxy.GetName(),
@@ -145,7 +145,7 @@ func (pxy *UDPProxy) Run() (remoteAddr string, err error) {
 					)
 				}); errRet != nil {
 					conn.Close()
-					xl.Info("reader goroutine for udp work connection closed")
+					xl.Infof("reader goroutine for udp work connection closed")
 					return
 				}
 			}
@@ -159,15 +159,15 @@ func (pxy *UDPProxy) Run() (remoteAddr string, err error) {
 			select {
 			case udpMsg, ok := <-pxy.sendCh:
 				if !ok {
-					xl.Info("sender goroutine for udp work connection closed")
+					xl.Infof("sender goroutine for udp work connection closed")
 					return
 				}
 				if errRet = msg.WriteMsg(conn, udpMsg); errRet != nil {
-					xl.Info("sender goroutine for udp work connection closed: %v", errRet)
+					xl.Infof("sender goroutine for udp work connection closed: %v", errRet)
 					conn.Close()
 					return
 				}
-				xl.Trace("send message to udp workConn: %s", udpMsg.Content)
+				xl.Tracef("send message to udp workConn: %s", udpMsg.Content)
 				metrics.Server.AddTrafficIn(
 					pxy.GetName(),
 					pxy.GetConfigurer().GetBaseConfig().Type,
@@ -175,7 +175,7 @@ func (pxy *UDPProxy) Run() (remoteAddr string, err error) {
 				)
 				continue
 			case <-ctx.Done():
-				xl.Info("sender goroutine for udp work connection closed")
+				xl.Infof("sender goroutine for udp work connection closed")
 				return
 			}
 		}
@@ -207,7 +207,7 @@ func (pxy *UDPProxy) Run() (remoteAddr string, err error) {
 			if pxy.cfg.Transport.UseEncryption {
 				rwc, err = libio.WithEncryption(rwc, []byte(pxy.serverCfg.Auth.Token))
 				if err != nil {
-					xl.Error("create encryption stream error: %v", err)
+					xl.Errorf("create encryption stream error: %v", err)
 					workConn.Close()
 					continue
 				}

server/proxy/xtcp.go

@@ -77,7 +77,7 @@ func (pxy *XTCPProxy) Run() (remoteAddr string, err error) {
 				}
 				errRet = msg.WriteMsg(workConn, m)
 				if errRet != nil {
-					xl.Warn("write nat hole sid package error, %v", errRet)
+					xl.Warnf("write nat hole sid package error, %v", errRet)
 				}
 				workConn.Close()
 			}

server/service.go

@@ -172,13 +172,13 @@ func NewService(cfg *v1.ServerConfig) (*Service, error) {
 		if err != nil {
 			return nil, fmt.Errorf("create vhost tcpMuxer error, %v", err)
 		}
-		log.Info("tcpmux httpconnect multiplexer listen on %s, passthough: %v", address, cfg.TCPMuxPassthrough)
+		log.Infof("tcpmux httpconnect multiplexer listen on %s, passthough: %v", address, cfg.TCPMuxPassthrough)
 	}
 
 	// Init all plugins
 	for _, p := range cfg.HTTPPlugins {
 		svr.pluginManager.Register(plugin.NewHTTPPluginOptions(p))
-		log.Info("plugin [%s] has been registered", p.Name)
+		log.Infof("plugin [%s] has been registered", p.Name)
 	}
 	svr.rc.PluginManager = svr.pluginManager
 
@@ -222,7 +222,7 @@ func NewService(cfg *v1.ServerConfig) (*Service, error) {
 	ln = svr.muxer.DefaultListener()
 
 	svr.listener = ln
-	log.Info("frps tcp listen on %s", address)
+	log.Infof("frps tcp listen on %s", address)
 
 	// Listen for accepting connections from client using kcp protocol.
 	if cfg.KCPBindPort > 0 {
@@ -231,7 +231,7 @@ func NewService(cfg *v1.ServerConfig) (*Service, error) {
 		if err != nil {
 			return nil, fmt.Errorf("listen on kcp udp address %s error: %v", address, err)
 		}
-		log.Info("frps kcp listen on udp %s", address)
+		log.Infof("frps kcp listen on udp %s", address)
 	}
 
 	if cfg.QUICBindPort > 0 {
@@ -246,7 +246,7 @@ func NewService(cfg *v1.ServerConfig) (*Service, error) {
 		if err != nil {
 			return nil, fmt.Errorf("listen on quic udp address %s error: %v", address, err)
 		}
-		log.Info("frps quic listen on %s", address)
+		log.Infof("frps quic listen on %s", address)
 	}
 
 	if cfg.SSHTunnelGateway.BindPort > 0 {
@@ -255,7 +255,7 @@ func NewService(cfg *v1.ServerConfig) (*Service, error) {
 			return nil, fmt.Errorf("create ssh gateway error: %v", err)
 		}
 		svr.sshTunnelGateway = sshGateway
-		log.Info("frps sshTunnelGateway listen on port %d", cfg.SSHTunnelGateway.BindPort)
+		log.Infof("frps sshTunnelGateway listen on port %d", cfg.SSHTunnelGateway.BindPort)
 	}
 
 	// Listen for accepting connections from client using websocket protocol.
@@ -289,7 +289,7 @@ func NewService(cfg *v1.ServerConfig) (*Service, error) {
 		go func() {
 			_ = server.Serve(l)
 		}()
-		log.Info("http service listen on %s", address)
+		log.Infof("http service listen on %s", address)
 	}
 
 	// Create https vhost muxer.
@@ -303,7 +303,7 @@ func NewService(cfg *v1.ServerConfig) (*Service, error) {
 			if err != nil {
 				return nil, fmt.Errorf("create server listener error, %v", err)
 			}
-			log.Info("https service listen on %s", address)
+			log.Infof("https service listen on %s", address)
 		}
 
 		svr.rc.VhostHTTPSMuxer, err = vhost.NewHTTPSMuxer(l, vhostReadWriteTimeout)
@@ -335,9 +335,9 @@ func (svr *Service) Run(ctx context.Context) {
 	// run dashboard web server.
 	if svr.webServer != nil {
 		go func() {
-			log.Info("dashboard listen on %s", svr.webServer.Address())
+			log.Infof("dashboard listen on %s", svr.webServer.Address())
 			if err := svr.webServer.Run(); err != nil {
-				log.Warn("dashboard server exit with error: %v", err)
+				log.Warnf("dashboard server exit with error: %v", err)
 			}
 		}()
 	}
@@ -408,7 +408,7 @@ func (svr *Service) handleConnection(ctx context.Context, conn net.Conn, interna
 
 	_ = conn.SetReadDeadline(time.Now().Add(connReadTimeout))
 	if rawMsg, err = msg.ReadMsg(conn); err != nil {
-		log.Trace("Failed to read message: %v", err)
+		log.Tracef("Failed to read message: %v", err)
 		conn.Close()
 		return
 	}
@@ -430,7 +430,7 @@ func (svr *Service) handleConnection(ctx context.Context, conn net.Conn, interna
 		// If login failed, send error message there.
 		// Otherwise send success message in control's work goroutine.
 		if err != nil {
-			xl.Warn("register control error: %v", err)
+			xl.Warnf("register control error: %v", err)
 			_ = msg.WriteMsg(conn, &msg.LoginResp{
 				Version: version.Full(),
 				Error:   util.GenerateResponseErrorString("register control error", err, lo.FromPtr(svr.cfg.DetailedErrorsToClient)),
@@ -443,7 +443,7 @@ func (svr *Service) handleConnection(ctx context.Context, conn net.Conn, interna
 		}
 	case *msg.NewVisitorConn:
 		if err = svr.RegisterVisitorConn(conn, m); err != nil {
-			xl.Warn("register visitor conn error: %v", err)
+			xl.Warnf("register visitor conn error: %v", err)
 			_ = msg.WriteMsg(conn, &msg.NewVisitorConnResp{
 				ProxyName: m.ProxyName,
 				Error:     util.GenerateResponseErrorString("register visitor conn error", err, lo.FromPtr(svr.cfg.DetailedErrorsToClient)),
@@ -456,7 +456,7 @@ func (svr *Service) handleConnection(ctx context.Context, conn net.Conn, interna
 			})
 		}
 	default:
-		log.Warn("Error message type for the new connection [%s]", conn.RemoteAddr().String())
+		log.Warnf("Error message type for the new connection [%s]", conn.RemoteAddr().String())
 		conn.Close()
 	}
 }
@@ -469,7 +469,7 @@ func (svr *Service) HandleListener(l net.Listener, internal bool) {
 	for {
 		c, err := l.Accept()
 		if err != nil {
-			log.Warn("Listener for incoming connections from client closed")
+			log.Warnf("Listener for incoming connections from client closed")
 			return
 		}
 		// inject xlog object into net.Conn context
@@ -479,17 +479,17 @@ func (svr *Service) HandleListener(l net.Listener, internal bool) {
 		c = netpkg.NewContextConn(xlog.NewContext(ctx, xl), c)
 
 		if !internal {
-			log.Trace("start check TLS connection...")
+			log.Tracef("start check TLS connection...")
 			originConn := c
 			forceTLS := svr.cfg.Transport.TLS.Force
 			var isTLS, custom bool
 			c, isTLS, custom, err = netpkg.CheckAndEnableTLSServerConnWithTimeout(c, svr.tlsConfig, forceTLS, connReadTimeout)
 			if err != nil {
-				log.Warn("CheckAndEnableTLSServerConnWithTimeout error: %v", err)
+				log.Warnf("CheckAndEnableTLSServerConnWithTimeout error: %v", err)
 				originConn.Close()
 				continue
 			}
-			log.Trace("check TLS connection success, isTLS: %v custom: %v internal: %v", isTLS, custom, internal)
+			log.Tracef("check TLS connection success, isTLS: %v custom: %v internal: %v", isTLS, custom, internal)
 		}
 
 		// Start a new goroutine to handle connection.
@@ -501,7 +501,7 @@ func (svr *Service) HandleListener(l net.Listener, internal bool) {
 				fmuxCfg.MaxStreamWindowSize = 6 * 1024 * 1024
 				session, err := fmux.Server(frpConn, fmuxCfg)
 				if err != nil {
-					log.Warn("Failed to create mux connection: %v", err)
+					log.Warnf("Failed to create mux connection: %v", err)
 					frpConn.Close()
 					return
 				}
@@ -509,7 +509,7 @@ func (svr *Service) HandleListener(l net.Listener, internal bool) {
 				for {
 					stream, err := session.AcceptStream()
 					if err != nil {
-						log.Debug("Accept new mux stream error: %v", err)
+						log.Debugf("Accept new mux stream error: %v", err)
 						session.Close()
 						return
 					}
@@ -527,7 +527,7 @@ func (svr *Service) HandleQUICListener(l *quic.Listener) {
 	for {
 		c, err := l.Accept(context.Background())
 		if err != nil {
-			log.Warn("QUICListener for incoming connections from client closed")
+			log.Warnf("QUICListener for incoming connections from client closed")
 			return
 		}
 		// Start a new goroutine to handle connection.
@@ -535,7 +535,7 @@ func (svr *Service) HandleQUICListener(l *quic.Listener) {
 			for {
 				stream, err := frpConn.AcceptStream(context.Background())
 				if err != nil {
-					log.Debug("Accept new quic mux stream error: %v", err)
+					log.Debugf("Accept new quic mux stream error: %v", err)
 					_ = frpConn.CloseWithError(0, "")
 					return
 				}
@@ -560,7 +560,7 @@ func (svr *Service) RegisterControl(ctlConn net.Conn, loginMsg *msg.Login, inter
 	xl := xlog.FromContextSafe(ctx)
 	xl.AppendPrefix(loginMsg.RunID)
 	ctx = xlog.NewContext(ctx, xl)
-	xl.Info("client login info: ip [%s] version [%s] hostname [%s] os [%s] arch [%s]",
+	xl.Infof("client login info: ip [%s] version [%s] hostname [%s] os [%s] arch [%s]",
 		ctlConn.RemoteAddr().String(), loginMsg.Version, loginMsg.Hostname, loginMsg.Os, loginMsg.Arch)
 
 	// Check auth.
@@ -575,7 +575,7 @@ func (svr *Service) RegisterControl(ctlConn net.Conn, loginMsg *msg.Login, inter
 	// TODO(fatedier): use SessionContext
 	ctl, err := NewControl(ctx, svr.rc, svr.pxyManager, svr.pluginManager, authVerifier, ctlConn, !internal, loginMsg, svr.cfg)
 	if err != nil {
-		xl.Warn("create new controller error: %v", err)
+		xl.Warnf("create new controller error: %v", err)
 		// don't return detailed errors to client
 		return fmt.Errorf("unexpected error when creating new controller")
 	}
@@ -601,7 +601,7 @@ func (svr *Service) RegisterWorkConn(workConn net.Conn, newMsg *msg.NewWorkConn)
 	xl := netpkg.NewLogFromConn(workConn)
 	ctl, exist := svr.ctlManager.GetByID(newMsg.RunID)
 	if !exist {
-		xl.Warn("No client control found for run id [%s]", newMsg.RunID)
+		xl.Warnf("No client control found for run id [%s]", newMsg.RunID)
 		return fmt.Errorf("no client control found for run id [%s]", newMsg.RunID)
 	}
 	// server plugin hook
@@ -620,7 +620,7 @@ func (svr *Service) RegisterWorkConn(workConn net.Conn, newMsg *msg.NewWorkConn)
 		err = ctl.authVerifier.VerifyNewWorkConn(newMsg)
 	}
 	if err != nil {
-		xl.Warn("invalid NewWorkConn with run id [%s]", newMsg.RunID)
+		xl.Warnf("invalid NewWorkConn with run id [%s]", newMsg.RunID)
 		_ = msg.WriteMsg(workConn, &msg.StartWorkConn{
 			Error: util.GenerateResponseErrorString("invalid NewWorkConn", err, lo.FromPtr(svr.cfg.DetailedErrorsToClient)),
 		})

test/e2e/e2e.go

@@ -38,7 +38,7 @@ func RunE2ETests(t *testing.T) {
 	// Randomize specs as well as suites
 	suiteConfig.RandomizeAllSpecs = true
 
-	log.Info("Starting e2e run %q on Ginkgo node %d of total %d",
+	log.Infof("Starting e2e run %q on Ginkgo node %d of total %d",
 		framework.RunID, suiteConfig.ParallelProcess, suiteConfig.ParallelTotal)
 	ginkgo.RunSpecs(t, "frp e2e suite", suiteConfig, reporterConfig)
 }

test/e2e/e2e_test.go

@@ -34,7 +34,7 @@ func TestMain(m *testing.M) {
 		os.Exit(1)
 	}
 
-	log.InitLog("console", framework.TestContext.LogLevel, 0, true)
+	log.InitLogger("console", framework.TestContext.LogLevel, 0, true)
 	os.Exit(m.Run())
 }
 

test/e2e/framework/process.go

@@ -31,7 +31,7 @@ func (f *Framework) RunProcesses(serverTemplates []string, clientTemplates []str
 		ExpectNoError(err)
 
 		if TestContext.Debug {
-			flog.Debug("[%s] %s", path, outs[i])
+			flog.Debugf("[%s] %s", path, outs[i])
 		}
 
 		p := process.NewWithEnvs(TestContext.FRPServerPath, []string{"-c", path}, f.osEnvs)
@@ -52,7 +52,7 @@ func (f *Framework) RunProcesses(serverTemplates []string, clientTemplates []str
 		ExpectNoError(err)
 
 		if TestContext.Debug {
-			flog.Debug("[%s] %s", path, outs[index])
+			flog.Debugf("[%s] %s", path, outs[index])
 		}
 
 		p := process.NewWithEnvs(TestContext.FRPClientPath, []string{"-c", path}, f.osEnvs)

test/e2e/framework/request.go

@@ -20,7 +20,7 @@ func ExpectResponseCode(code int) EnsureFunc {
 		if resp.Code == code {
 			return true
 		}
-		flog.Warn("Expect code %d, but got %d", code, resp.Code)
+		flog.Warnf("Expect code %d, but got %d", code, resp.Code)
 		return false
 	}
 }
@@ -111,14 +111,14 @@ func (e *RequestExpect) Ensure(fns ...EnsureFunc) {
 
 	if len(fns) == 0 {
 		if !bytes.Equal(e.expectResp, ret.Content) {
-			flog.Trace("Response info: %+v", ret)
+			flog.Tracef("Response info: %+v", ret)
 		}
 		ExpectEqualValuesWithOffset(1, ret.Content, e.expectResp, e.explain...)
 	} else {
 		for _, fn := range fns {
 			ok := fn(ret)
 			if !ok {
-				flog.Trace("Response info: %+v", ret)
+				flog.Tracef("Response info: %+v", ret)
 			}
 			ExpectTrueWithOffset(1, ok, e.explain...)
 		}

test/e2e/legacy/features/monitor.go

@@ -41,7 +41,7 @@ var _ = ginkgo.Describe("[Feature: Monitor]", func() {
 		framework.NewRequestExpect(f).RequestModify(func(r *request.Request) {
 			r.HTTP().Port(dashboardPort).HTTPPath("/metrics")
 		}).Ensure(func(resp *request.Response) bool {
-			log.Trace("prometheus metrics response: \n%s", resp.Content)
+			log.Tracef("prometheus metrics response: \n%s", resp.Content)
 			if resp.Code != 200 {
 				return false
 			}

test/e2e/legacy/features/real_ip.go

@@ -66,7 +66,7 @@ var _ = ginkgo.Describe("[Feature: Real IP]", func() {
 					rd := bufio.NewReader(c)
 					ppHeader, err := pp.Read(rd)
 					if err != nil {
-						log.Error("read proxy protocol error: %v", err)
+						log.Errorf("read proxy protocol error: %v", err)
 						return
 					}
 
@@ -93,7 +93,7 @@ var _ = ginkgo.Describe("[Feature: Real IP]", func() {
 			f.RunProcesses([]string{serverConf}, []string{clientConf})
 
 			framework.NewRequestExpect(f).Port(remotePort).Ensure(func(resp *request.Response) bool {
-				log.Trace("ProxyProtocol get SourceAddr: %s", string(resp.Content))
+				log.Tracef("ProxyProtocol get SourceAddr: %s", string(resp.Content))
 				addr, err := net.ResolveTCPAddr("tcp", string(resp.Content))
 				if err != nil {
 					return false
@@ -121,7 +121,7 @@ var _ = ginkgo.Describe("[Feature: Real IP]", func() {
 					rd := bufio.NewReader(c)
 					ppHeader, err := pp.Read(rd)
 					if err != nil {
-						log.Error("read proxy protocol error: %v", err)
+						log.Errorf("read proxy protocol error: %v", err)
 						return
 					}
 					srcAddrRecord = ppHeader.SourceAddr.String()
@@ -142,7 +142,7 @@ var _ = ginkgo.Describe("[Feature: Real IP]", func() {
 				r.HTTP().HTTPHost("normal.example.com")
 			}).Ensure(framework.ExpectResponseCode(404))
 
-			log.Trace("ProxyProtocol get SourceAddr: %s", srcAddrRecord)
+			log.Tracef("ProxyProtocol get SourceAddr: %s", srcAddrRecord)
 			addr, err := net.ResolveTCPAddr("tcp", srcAddrRecord)
 			framework.ExpectNoError(err, srcAddrRecord)
 			framework.ExpectEqualValues("127.0.0.1", addr.IP.String())

test/e2e/pkg/plugin/plugin.go

@@ -26,7 +26,7 @@ func NewHTTPPluginServer(port int, newFunc NewPluginRequest, handler Handler, tl
 				w.WriteHeader(500)
 				return
 			}
-			log.Trace("plugin request: %s", string(buf))
+			log.Tracef("plugin request: %s", string(buf))
 			err = json.Unmarshal(buf, &r)
 			if err != nil {
 				w.WriteHeader(500)
@@ -34,7 +34,7 @@ func NewHTTPPluginServer(port int, newFunc NewPluginRequest, handler Handler, tl
 			}
 			resp := handler(r)
 			buf, _ = json.Marshal(resp)
-			log.Trace("plugin response: %s", string(buf))
+			log.Tracef("plugin response: %s", string(buf))
 			_, _ = w.Write(buf)
 		})),
 	)

test/e2e/v1/features/monitor.go

@@ -42,7 +42,7 @@ var _ = ginkgo.Describe("[Feature: Monitor]", func() {
 		framework.NewRequestExpect(f).RequestModify(func(r *request.Request) {
 			r.HTTP().Port(dashboardPort).HTTPPath("/metrics")
 		}).Ensure(func(resp *request.Response) bool {
-			log.Trace("prometheus metrics response: \n%s", resp.Content)
+			log.Tracef("prometheus metrics response: \n%s", resp.Content)
 			if resp.Code != 200 {
 				return false
 			}

test/e2e/v1/features/real_ip.go

@@ -67,7 +67,7 @@ var _ = ginkgo.Describe("[Feature: Real IP]", func() {
 					rd := bufio.NewReader(c)
 					ppHeader, err := pp.Read(rd)
 					if err != nil {
-						log.Error("read proxy protocol error: %v", err)
+						log.Errorf("read proxy protocol error: %v", err)
 						return
 					}
 
@@ -95,7 +95,7 @@ var _ = ginkgo.Describe("[Feature: Real IP]", func() {
 			f.RunProcesses([]string{serverConf}, []string{clientConf})
 
 			framework.NewRequestExpect(f).Port(remotePort).Ensure(func(resp *request.Response) bool {
-				log.Trace("ProxyProtocol get SourceAddr: %s", string(resp.Content))
+				log.Tracef("ProxyProtocol get SourceAddr: %s", string(resp.Content))
 				addr, err := net.ResolveTCPAddr("tcp", string(resp.Content))
 				if err != nil {
 					return false
@@ -123,7 +123,7 @@ var _ = ginkgo.Describe("[Feature: Real IP]", func() {
 					rd := bufio.NewReader(c)
 					ppHeader, err := pp.Read(rd)
 					if err != nil {
-						log.Error("read proxy protocol error: %v", err)
+						log.Errorf("read proxy protocol error: %v", err)
 						return
 					}
 					srcAddrRecord = ppHeader.SourceAddr.String()
@@ -145,7 +145,7 @@ var _ = ginkgo.Describe("[Feature: Real IP]", func() {
 				r.HTTP().HTTPHost("normal.example.com")
 			}).Ensure(framework.ExpectResponseCode(404))
 
-			log.Trace("ProxyProtocol get SourceAddr: %s", srcAddrRecord)
+			log.Tracef("ProxyProtocol get SourceAddr: %s", srcAddrRecord)
 			addr, err := net.ResolveTCPAddr("tcp", srcAddrRecord)
 			framework.ExpectNoError(err, srcAddrRecord)
 			framework.ExpectEqualValues("127.0.0.1", addr.IP.String())