add support hub as client-side

.gitignore

@@ -1,4 +1,3 @@
 .idea/
 .vscode/
-sample/tcpd
-sample/wsd
+sample/echo

cpn/hub.go

@@ -131,3 +131,7 @@ func (self *Hub) GetSessionNum() int {
 	defer self.Unlock()
 	return len(self.sess)
 }
+
+func (self *Hub) NewConnection(string, uint64) error {
+	return nil
+}

cpn/server_tcp.go

@@ -50,6 +50,7 @@ func (self *TcpServer) Start() error {
 func (self *TcpServer) DoJob(int) {
 
 }
+
 func (self *TcpServer) Stop() error {
 	close(self.chQuit)
 	self.wg.Wait() //保证 Start 完全退出

ihub.go

@@ -42,6 +42,8 @@ type IHub interface {
 	Stop() error  // stop hub
 	DoJob(int)    // not used now
 
+	NewConnection(string, uint64) error
+
 	PutSession(uint64, ISession) error // session management base on id
 	DelSession(uint64) error
 	GetSession(uint64) (ISession, error)