收到确切的WebSocket数据时才创建业务逻辑对象

src/Http/HttpSession.h

@@ -135,26 +135,34 @@ private:
 template <typename SessionType>
 class WebSocketSession : public HttpSession {
 public:
-    WebSocketSession(const std::shared_ptr<ThreadPool> &pTh, const Socket::Ptr &pSock) : HttpSession(pTh,pSock){
-        _session = std::make_shared<SessionImp>(pTh,pSock);
-    }
-    virtual ~WebSocketSession(){};
+    WebSocketSession(const std::shared_ptr<ThreadPool> &pTh, const Socket::Ptr &pSock) : HttpSession(pTh,pSock){}
+    virtual ~WebSocketSession(){}
 
     //收到eof或其他导致脱离TcpServer事件的回调
     void onError(const SockException &err) override{
         HttpSession::onError(err);
+        if(_session){
             _session->onError(err);
         }
+    }
     //每隔一段时间触发，用来做超时管理
     void onManager() override{
         HttpSession::onManager();
+        if(_session){
             _session->onManager();
         }
-    //在创建TcpSession后，TcpServer会把自身的配置参数通过该函数传递给TcpSession
-    void attachServer(const TcpServer &server) override{
-        HttpSession::attachServer(server);
-        _session->attachServer(server);
-
+    }
+protected:
+    /**
+     * 开始收到一个webSocket数据包
+     * @param packet
+     */
+    void onWebSocketDecodeHeader(const WebSocketHeader &packet) override{
+        //新包，原来的包残余数据清空掉
+        _remian_data.clear();
+        if(_firstPacket){
+            _firstPacket = false;
+            _session = std::make_shared<SessionImp>(nullptr,_sock);
             //此处截取数据并进行websocket协议打包
             weak_ptr<WebSocketSession> weakSelf = dynamic_pointer_cast<WebSocketSession>(shared_from_this());
             _session->setOnBeforeSendCB([weakSelf](const Buffer::Ptr &buf){
@@ -167,20 +175,7 @@ public:
                 }
                 return buf->size();
             });
-
-    }
-    //作为该TcpSession的唯一标识符
-    string getIdentifier() const override{
-        return _session->getIdentifier();
         }
-protected:
-    /**
-     * 开始收到一个webSocket数据包
-     * @param packet
-     */
-    void onWebSocketDecodeHeader(const WebSocketHeader &packet) override{
-        //新包，原来的包残余数据清空掉
-        _remian_data.clear();
     }
 
     /**
@@ -280,6 +275,7 @@ private:
 private:
     std::shared_ptr<SessionImp> _session;
     string _remian_data;
+    bool _firstPacket = true;
 };
 
 /**