doc/html/boost_asio/example/cpp03/iostreams/daytime_server.cpp

//
// daytime_server.cpp
// ~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include <ctime>
#include <iostream>
#include <string>
#include <boost/asio.hpp>
using boost::asio::ip::tcp;
std::string make_daytime_string()
{
  using namespace std; // For time_t, time and ctime;
  time_t now = time(0);
  return ctime(&now);
}
int main()
{
  try
  {
    boost::asio::io_service io_service;
    tcp::endpoint endpoint(tcp::v4(), 13);
    tcp::acceptor acceptor(io_service, endpoint);
    for (;;)
    {
      tcp::iostream stream;
      boost::system::error_code ec;
      acceptor.accept(*stream.rdbuf(), ec);
      if (!ec)
      {
        stream << make_daytime_string();
      }
    }
  }
  catch (std::exception& e)
  {
    std::cerr << e.what() << std::endl;
  }
  return 0;
}