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3rdparty/websocketpp-0.8.2/examples/print_client/print_client.cpp 3.11 KB
1fa7ee12   Hu Chunming   提交 _GLIBCXX_USE_C...
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  /*
   * Copyright (c) 2016, Peter Thorson. 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 the WebSocket++ Project 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 PETER THORSON 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.
   *
   */
  
  #include <websocketpp/config/asio_no_tls_client.hpp>
  #include <websocketpp/client.hpp>
  
  #include <iostream>
  
  typedef websocketpp::client<websocketpp::config::asio_client> client;
  
  void on_message(websocketpp::connection_hdl, client::message_ptr msg) {
  	std::cout << msg->get_payload() << std::endl;
  }
  
  int main(int argc, char* argv[]) {
      client c;
  
      std::string uri = "ws://localhost:9002";
  
      if (argc == 2) {
          uri = argv[1];
      }
  
  	try {
          // Set logging to be pretty verbose (everything except message payloads)
          c.set_access_channels(websocketpp::log::alevel::all);
          c.clear_access_channels(websocketpp::log::alevel::frame_payload);
          c.set_error_channels(websocketpp::log::elevel::all);
  
          // Initialize ASIO
          c.init_asio();
  
          // Register our message handler
          c.set_message_handler(&on_message);
  
          websocketpp::lib::error_code ec;
          client::connection_ptr con = c.get_connection(uri, ec);
          if (ec) {
              std::cout << "could not create connection because: " << ec.message() << std::endl;
              return 0;
          }
  
          // Note that connect here only requests a connection. No network messages are
          // exchanged until the event loop starts running in the next line.
          c.connect(con);
  
          // Start the ASIO io_service run loop
          // this will cause a single connection to be made to the server. c.run()
          // will exit when this connection is closed.
          c.run();
      } catch (websocketpp::exception const & e) {
          std::cout << e.what() << std::endl;
      }
  }