翻出历史项目，先上传，未测试（MQTT3.1.1已经支持）

socket.go

@@ -0,0 +1,65 @@
+package beeq
+
+import (
+	"crypto/tls"
+	"golang.org/x/net/websocket"
+	"net"
+	"net/http"
+	"time"
+)
+
+
+type tcpKeepAliveListener struct {
+	*net.TCPListener
+}
+
+func (ln tcpKeepAliveListener) Accept() (c net.Conn, err error) {
+	tc, err := ln.AcceptTCP()
+	if err != nil {
+		return
+	}
+	tc.SetKeepAlive(true)
+	tc.SetKeepAlivePeriod(3 * time.Minute)
+	return tc, nil
+}
+
+
+func AcceptSocket(ln net.Listener, cb func(conn net.Conn)) {
+	go (func() {
+		//defer ln.Close()
+		for {
+			if conn, err := ln.Accept(); err != nil {
+				//TODO log
+				break
+			} else {
+				cb(conn)
+			}
+		}
+	})()
+}
+
+func AcceptWebSocket(ln net.Listener, pattern string, cb func(conn net.Conn)) {
+	h := func(ws *websocket.Conn) {
+		conn := NewWSConn(ws)
+		cb(conn)
+		//block here
+		conn.Wait()
+	}
+	mux := http.NewServeMux()
+	mux.Handle(pattern, websocket.Handler(h))
+	svr := http.Server{Handler:mux}
+	go svr.Serve(tcpKeepAliveListener{ln.(*net.TCPListener)})
+}
+
+func ListenSocket(laddr string) (net.Listener, error) {
+	return net.Listen("tcp", laddr)
+}
+
+func ListenSocketTLS(laddr string, cert string, key string) (net.Listener, error) {
+	if ce, err := tls.LoadX509KeyPair(cert, key); err != nil {
+		return nil, err
+	} else {
+		config := &tls.Config{Certificates: []tls.Certificate{ce}}
+		return tls.Listen("tcp", laddr, config)
+	}
+}