websocket客户端触发事件时确保对象强引用有效

同时修复websocket客户端判断alive返回false的bug

ZLToolKit @ 25062620

-Subproject commit 6e5f08d89cd6fd06a4185f5de937ef629c24a83e
+Subproject commit 25062620233c62475aaffc0a9960e2689d8418ce

src/Http/WebSocketClient.h

@@ -72,9 +72,10 @@ class HttpWsClient : public HttpClientImp , public WebSocketSplitter{
 public:
     typedef shared_ptr<HttpWsClient> Ptr;
 
-    HttpWsClient(ClientTypeImp<ClientType,DataType> &delegate) : _delegate(delegate){
+    HttpWsClient(const std::shared_ptr<ClientTypeImp<ClientType, DataType> > &delegate) : _weak_delegate(delegate),
+                                                                                          _delegate(*delegate) {
         _Sec_WebSocket_Key = encodeBase64(makeRandStr(16, false));
-        setPoller(delegate.getPoller());
+        setPoller(_delegate.getPoller());
     }
     ~HttpWsClient(){}
 
@@ -153,14 +154,20 @@ protected:
 
     //TcpClient override
 
+    void onRecv(const Buffer::Ptr &buf) override {
+        auto strong_ref = _weak_delegate.lock();;
+        HttpClientImp::onRecv(buf);
+    }
+
     /**
      * 定时触发
      */
     void onManager() override {
-        if(_onRecv){
+        auto strong_ref = _weak_delegate.lock();;
+        if (_onRecv) {
             //websocket连接成功了
             _delegate.onManager();
-        } else{
+        } else {
             //websocket连接中...
             HttpClientImp::onManager();
         }
@@ -169,11 +176,12 @@ protected:
     /**
      * 数据全部发送完毕后回调
      */
-    void onFlush() override{
-        if(_onRecv){
+    void onFlush() override {
+        auto strong_ref = _weak_delegate.lock();;
+        if (_onRecv) {
             //websocket连接成功了
             _delegate.onFlush();
-        } else{
+        } else {
             //websocket连接中...
             HttpClientImp::onFlush();
         }
@@ -182,8 +190,9 @@ protected:
     /**
      * tcp连接结果
      */
-    void onConnect(const SockException &ex) override{
-        if(ex){
+    void onConnect(const SockException &ex) override {
+        auto strong_ref = _weak_delegate.lock();;
+        if (ex) {
             //tcp连接失败，直接返回失败
             onWebSocketException(ex);
             return;
@@ -195,7 +204,8 @@ protected:
     /**
      * tcp连接断开
      */
-    void onErr(const SockException &ex) override{
+    void onErr(const SockException &ex) override {
+        auto strong_ref = _weak_delegate.lock();;
         //tcp断开或者shutdown导致的断开
         onWebSocketException(ex);
     }
@@ -335,6 +345,7 @@ private:
 private:
     string _Sec_WebSocket_Key;
     function<void(const char *data, size_t len)> _onRecv;
+    weak_ptr<ClientTypeImp<ClientType,DataType> > _weak_delegate;
     ClientTypeImp<ClientType,DataType> &_delegate;
     string _payload_section;
     string _payload_cache;
@@ -354,7 +365,6 @@ public:
 
     template<typename ...ArgsType>
     WebSocketClient(ArgsType &&...args) : ClientTypeImp<ClientType,DataType>(std::forward<ArgsType>(args)...){
-        _wsClient.reset(new HttpWsClient<ClientType,DataType>(*this));
     }
     ~WebSocketClient() override {
         _wsClient->closeWsClient();
@@ -377,10 +387,14 @@ public:
             //明文ws
             ws_url = StrPrinter << "ws://" + host << ":" << port << "/";
         }
-        _wsClient->startWsClient(ws_url, timeout_sec);
+        startWebSocket(ws_url, timeout_sec);
     }
 
     void startWebSocket(const string &ws_url,float fTimeOutSec = 3){
+        _wsClient = std::make_shared<HttpWsClient<ClientType,DataType> >(static_pointer_cast<WebSocketClient>(this->shared_from_this()));
+        _wsClient->setOnCreateSocket([this](const EventPoller::Ptr &){
+            return this->createSocket();
+        });
         _wsClient->startWsClient(ws_url,fTimeOutSec);
     }