text: // Copyright (C) 2017-2018 Baidu, Inc. All Rights Reserved.
  //
  // Redistribution and use in source and binary forms, with or without
  // modification, are permitted provided that the following conditions
  // are met:
  //
  //  * Redistributions of source code must retain the above copyright
  //    notice, this list of conditions and the following disclaimer.
  //  * Redistributions in binary form must reproduce the above copyright
  //    notice, this list of conditions and the following disclaimer in
  //    the documentation and/or other materials provided with the
  //    distribution.
  //  * Neither the name of Baidu, Inc., nor the names of its
  //    contributors may be used to endorse or promote products derived
  //    from this software without specific prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  #ifndef NETWORKMANAGER_H
  #define NETWORKMANAGER_H
  
  #include "Server.h"
  #include "Client.h"
  #include "LogBase.h"
  #include "Network_def.h"
  
  #include <string>
  #include <stdio.h>
  #include <limits.h>
  #include <unistd.h>
  #include <functional>
  #include <iostream>
  #include <algorithm>
  
  using namespace std;
  using namespace util;
  
  class NetworkManager {
  
      typedef boost::asio::ssl::stream<boost::asio::ip::tcp::socket> ssl_socket;
  
  public:
      NetworkManager();
      virtual ~NetworkManager();
      void sendMsg();
      void Init();
      void setPort(int port);
      void printMsg(bool send, const char* msg);
  
      template <typename T>
      string serialize(T msg) {
          string s;
          if (msg.SerializeToString(&s)) {
              //Log("Serialization successful");
              return s;
          } else {
              Log("Serialization failed", log::error);
              return "";
          }
      }
  
  public:
      boost::asio::io_service io_service;
      int port;
  };
  
  
  #endif
  