ceph/src/boost/libs/asio/example/cpp03/tutorial/daytime2/server.cpp

   1 //
   2 // server.cpp
   3 // ~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2016 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 <ctime>
  12 #include <iostream>
  13 #include <string>
  14 #include <boost/asio.hpp>
  15
  16 using boost::asio::ip::tcp;
  17
  18 std::string make_daytime_string()
  19 {
  20   using namespace std; // For time_t, time and ctime;
  21   time_t now = time(0);
  22   return ctime(&now);
  23 }
  24
  25 int main()
  26 {
  27   try
  28   {
  29     boost::asio::io_service io_service;
  30
  31     tcp::acceptor acceptor(io_service, tcp::endpoint(tcp::v4(), 13));
  32
  33     for (;;)
  34     {
  35       tcp::socket socket(io_service);
  36       acceptor.accept(socket);
  37
  38       std::string message = make_daytime_string();
  39
  40       boost::system::error_code ignored_error;
  41       boost::asio::write(socket, boost::asio::buffer(message), ignored_error);
  42     }
  43   }
  44   catch (std::exception& e)
  45   {
  46     std::cerr << e.what() << std::endl;
  47   }
  48
  49   return 0;
  50 }