ceph/src/Beast/examples/ssl/websocket_ssl_example.cpp

   1 //
   2 // Copyright (c) 2013-2017 Vinnie Falco (vinnie dot falco at gmail dot com)
   3 //
   4 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   5 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 //
   7
   8 #include <beast/core/to_string.hpp>
   9 #include <beast/websocket.hpp>
  10 #include <beast/websocket/ssl.hpp>
  11 #include <boost/asio.hpp>
  12 #include <boost/asio/ssl.hpp>
  13 #include <iostream>
  14 #include <string>
  15
  16 int main()
  17 {
  18     using boost::asio::connect;
  19     using socket = boost::asio::ip::tcp::socket;
  20     using resolver = boost::asio::ip::tcp::resolver;
  21     using io_service = boost::asio::io_service;
  22     namespace ssl = boost::asio::ssl;
  23
  24     // Normal boost::asio setup
  25     std::string const host = "echo.websocket.org";
  26     io_service ios;
  27     resolver r{ios};
  28     socket sock{ios};
  29     connect(sock, r.resolve(resolver::query{host, "https"}));
  30
  31     // Perform SSL handshaking
  32     using stream_type = ssl::stream<socket&>;
  33     ssl::context ctx{ssl::context::sslv23};
  34     stream_type stream{sock, ctx};
  35     stream.set_verify_mode(ssl::verify_none);
  36     stream.handshake(ssl::stream_base::client);
  37
  38     // Secure WebSocket connect and send message using Beast
  39     beast::websocket::stream<stream_type&> ws{stream};
  40     ws.handshake(host, "/");
  41     ws.write(boost::asio::buffer("Hello, world!"));
  42
  43     // Receive Secure WebSocket message, print and close using Beast
  44     beast::streambuf sb;
  45     beast::websocket::opcode op;
  46     ws.read(op, sb);
  47     ws.close(beast::websocket::close_code::normal);
  48     std::cout << to_string(sb.data()) << "\n";
  49 }