ceph/src/boost/libs/asio/example/cpp03/http/server4/main.cpp

   1 //
   2 // main.cpp
   3 // ~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   6 //
   7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   9 //
  10
  11 #include <iostream>
  12 #include <boost/asio.hpp>
  13 #include <boost/bind.hpp>
  14 #include <signal.h>
  15 #include "server.hpp"
  16 #include "file_handler.hpp"
  17
  18 int main(int argc, char* argv[])
  19 {
  20   try
  21   {
  22     // Check command line arguments.
  23     if (argc != 4)
  24     {
  25       std::cerr << "Usage: http_server <address> <port> <doc_root>\n";
  26       std::cerr << "  For IPv4, try:\n";
  27       std::cerr << "    receiver 0.0.0.0 80 .\n";
  28       std::cerr << "  For IPv6, try:\n";
  29       std::cerr << "    receiver 0::0 80 .\n";
  30       return 1;
  31     }
  32
  33     boost::asio::io_context io_context;
  34
  35     // Launch the initial server coroutine.
  36     http::server4::server(io_context, argv[1], argv[2],
  37         http::server4::file_handler(argv[3]))();
  38
  39     // Wait for signals indicating time to shut down.
  40     boost::asio::signal_set signals(io_context);
  41     signals.add(SIGINT);
  42     signals.add(SIGTERM);
  43 #if defined(SIGQUIT)
  44     signals.add(SIGQUIT);
  45 #endif // defined(SIGQUIT)
  46     signals.async_wait(boost::bind(
  47           &boost::asio::io_context::stop, &io_context));
  48
  49     // Run the server.
  50     io_context.run();
  51   }
  52   catch (std::exception& e)
  53   {
  54     std::cerr << "exception: " << e.what() << "\n";
  55   }
  56
  57   return 0;
  58 }