ceph/src/boost/libs/asio/example/cpp03/iostreams/daytime_client.cpp

   1 //
   2 // daytime_client.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 <iostream>
  12 #include <string>
  13 #include <boost/asio.hpp>
  14
  15 using boost::asio::ip::tcp;
  16
  17 int main(int argc, char* argv[])
  18 {
  19   try
  20   {
  21     if (argc != 2)
  22     {
  23       std::cerr << "Usage: daytime_client <host>" << std::endl;
  24       return 1;
  25     }
  26
  27     tcp::iostream s(argv[1], "daytime");
  28     if (!s)
  29     {
  30       std::cout << "Unable to connect: " << s.error().message() << std::endl;
  31       return 1;
  32     }
  33
  34     std::string line;
  35     std::getline(s, line);
  36     std::cout << line << std::endl;
  37   }
  38   catch (std::exception& e)
  39   {
  40     std::cout << "Exception: " << e.what() << std::endl;
  41   }
  42
  43   return 0;
  44 }