[fix] fix crash due to accessing to invalid virtual function

src/ws/ws_client.h

@@ -0,0 +1,88 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2024-09-10
+ * Copyright (c) 2023 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _WS_CLIENT_H_
+#define _WS_CLIENT_H_
+
+#include <condition_variable>
+#include <map>
+#include <mutex>
+#include <sstream>
+#include <string>
+#include <thread>
+
+#include "websocketpp/client.hpp"
+#include "websocketpp/common/memory.hpp"
+#include "websocketpp/common/thread.hpp"
+#include "websocketpp/config/asio_no_tls_client.hpp"
+
+typedef websocketpp::client<websocketpp::config::asio_client> client;
+
+enum WsStatus {
+  WsOpening = 0,
+  WsOpened,
+  WsFailed,
+  WsClosed,
+  WsReconnecting,
+  WsServerClosed
+};
+
+class WsClient {
+ public:
+  WsClient(std::function<void(const std::string &)> on_receive_msg_cb,
+           std::function<void(WsStatus)> on_ws_status_cb);
+
+  ~WsClient();
+
+ public:
+  int Connect(std::string const &uri);
+
+  void Close(websocketpp::close::status::value code =
+                 websocketpp::close::status::going_away,
+             std::string reason = "");
+
+  void Send(std::string message);
+
+  void Ping(websocketpp::connection_hdl hdl);
+
+  WsStatus GetStatus();
+
+  // Callback
+  void OnOpen(client *c, websocketpp::connection_hdl hdl);
+
+  void OnFail(client *c, websocketpp::connection_hdl hdl);
+
+  void OnClose(client *c, websocketpp::connection_hdl hdl);
+
+  bool OnPing(websocketpp::connection_hdl hdl, std::string msg);
+
+  bool OnPong(websocketpp::connection_hdl hdl, std::string msg);
+
+  void OnPongTimeout(websocketpp::connection_hdl hdl, std::string msg);
+
+  void OnMessage(websocketpp::connection_hdl hdl, client::message_ptr msg);
+
+ private:
+  client m_endpoint_;
+  websocketpp::connection_hdl connection_handle_;
+  std::thread m_thread_;
+  std::thread ping_thread_;
+  std::atomic<bool> running_{false};
+  std::mutex mtx_;
+  unsigned int interval_ = 3;
+  std::condition_variable cond_var_;
+  bool heartbeat_started_ = false;
+
+  WsStatus ws_status_ = WsStatus::WsClosed;
+  int timeout_count_ = 0;
+  std::string uri_;
+  bool destructed_ = false;
+
+  std::function<void(const std::string &)> on_receive_msg_ = nullptr;
+  std::function<void(WsStatus)> on_ws_status_ = nullptr;
+};
+
+#endif