修复内存泄漏的问题

client/control.go

@@ -145,7 +145,11 @@ func (ctl *Control) HandleNewProxyResp(inMsg *msg.NewProxyResp) {
 
 func (ctl *Control) Close() error {
 	if ctl.conn != nil {
-		ctl.conn.Close()
+		_ = ctl.conn.Close()
+		ctl.conn = nil
+		ctl.msgHandlerShutdown = nil
+		ctl.readerShutdown = nil
+		ctl.session = nil
 		log.Info("conn closed")
 	}
 	if ctl.pm != nil {

client/service.go

@@ -239,9 +239,10 @@ func (svr *Service) ReloadConf(pxyCfgs map[string]config.ProxyConf, visitorCfgs
 func (svr *Service) Close() {
 	atomic.StoreUint32(&svr.exit, 1)
 	if svr.ctl != nil {
-		svr.ctl.Close()
+		_ = svr.ctl.Close()
 	}
 	svr.closedCh <- true
+	svr.ctl = nil
 }
 
 func (svr *Service) IsClosed() bool {

server/ports/ports.go

@@ -38,6 +38,7 @@ type PortManager struct {
 	bindAddr string
 	netType  string
 	mu       sync.Mutex
+	stop     chan bool
 }
 
 func NewPortManager(netType string, bindAddr string, allowPorts map[int]struct{}) *PortManager {
@@ -47,6 +48,7 @@ func NewPortManager(netType string, bindAddr string, allowPorts map[int]struct{}
 		freePorts:     make(map[int]struct{}),
 		bindAddr:      bindAddr,
 		netType:       netType,
+		stop:          make(chan bool),
 	}
 	if len(allowPorts) > 0 {
 		for port, _ := range allowPorts {
@@ -176,8 +178,11 @@ func (pm *PortManager) Release(port int) {
 
 // Release reserved port if it isn't used in last 24 hours.
 func (pm *PortManager) cleanReservedPortsWorker() {
+	ticket := time.NewTicker(CleanReservedPortsInterval)
+FOR:
 	for {
-		time.Sleep(CleanReservedPortsInterval)
+		select {
+		case <-ticket.C:
 			pm.mu.Lock()
 			for name, ctx := range pm.reservedPorts {
 				if ctx.Closed && time.Since(ctx.UpdateTime) > MaxPortReservedDuration {
@@ -185,5 +190,17 @@ func (pm *PortManager) cleanReservedPortsWorker() {
 				}
 			}
 			pm.mu.Unlock()
+		case s := <-pm.stop:
+			if s {
+				ticket.Stop()
+				close(pm.stop)
+				break FOR
+			}
+		}
 	}
 }
+
+// Stop Stop
+func (pm *PortManager) Stop() {
+	pm.stop <- true
+}

server/service.go

@@ -250,14 +250,24 @@ func (svr *Service) Run() {
 // Stop 停止服务
 func (svr *Service) Stop() error {
 	err := svr.muxer.Close()
-	<-svr.closedCh
+	if svr.listener != nil {
+		_ = svr.listener.Close()
+	}
+	if svr.websocketListener != nil {
+		_ = svr.websocketListener.Close()
+	}
+	if svr.kcpListener != nil {
+		_ = svr.kcpListener.Close()
+	}
+	close(svr.closedCh)
 	svr.Closed = true
+	svr.rc.TcpPortManager.Stop()
+	svr.rc.UdpPortManager.Stop()
 	return err
 }
 
 func (svr *Service) HandleListener(l frpNet.Listener) {
 	defer func() {
-		close(svr.closedCh)
 		log.Info("Frps is Closed")
 	}()
 	// Listen for incoming connections from client.

utils/net/websocket.go

@@ -76,6 +76,14 @@ func (p *WebsocketListener) Accept() (Conn, error) {
 }
 
 func (p *WebsocketListener) Close() error {
+	if p.accept != nil {
+		close(p.accept)
+	}
+	if p.ln != nil {
+		if err := p.ln.Close(); err != nil {
+			return err
+		}
+	}
 	return p.server.Close()
 }