1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>Source listing for Daytime.2</title> 5<link rel="stylesheet" href="../../../../../doc/src/boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../../../boost_asio.html" title="Boost.Asio"> 8<link rel="up" href="../tutdaytime2.html" title="Daytime.2 - A synchronous TCP daytime server"> 9<link rel="prev" href="../tutdaytime2.html" title="Daytime.2 - A synchronous TCP daytime server"> 10<link rel="next" href="../tutdaytime3.html" title="Daytime.3 - An asynchronous TCP daytime server"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr> 14<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../boost.png"></td> 15<td align="center"><a href="../../../../../index.html">Home</a></td> 16<td align="center"><a href="../../../../../libs/libraries.htm">Libraries</a></td> 17<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 18<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 19<td align="center"><a href="../../../../../more/index.htm">More</a></td> 20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<a accesskey="p" href="../tutdaytime2.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../tutdaytime2.html"><img src="../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../boost_asio.html"><img src="../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="../tutdaytime3.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h4 class="title"> 27<a name="boost_asio.tutorial.tutdaytime2.src"></a><a class="link" href="src.html" title="Source listing for Daytime.2">Source listing 28 for Daytime.2</a> 29</h4></div></div></div> 30<pre class="programlisting">// 31// server.cpp 32// ~~~~~~~~~~ 33// 34// Copyright (c) 2003-2020 Christopher M. Kohlhoff (chris at kohlhoff dot com) 35// 36// Distributed under the Boost Software License, Version 1.0. (See accompanying 37// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 38// 39 40#include <ctime> 41#include <iostream> 42#include <string> 43#include <boost/asio.hpp> 44 45using boost::asio::ip::tcp; 46 47std::string make_daytime_string() 48{ 49 using namespace std; // For time_t, time and ctime; 50 time_t now = time(0); 51 return ctime(&now); 52} 53 54int main() 55{ 56 try 57 { 58 boost::asio::io_context io_context; 59 60 tcp::acceptor acceptor(io_context, tcp::endpoint(tcp::v4(), 13)); 61 62 for (;;) 63 { 64 tcp::socket socket(io_context); 65 acceptor.accept(socket); 66 67 std::string message = make_daytime_string(); 68 69 boost::system::error_code ignored_error; 70 boost::asio::write(socket, boost::asio::buffer(message), ignored_error); 71 } 72 } 73 catch (std::exception& e) 74 { 75 std::cerr << e.what() << std::endl; 76 } 77 78 return 0; 79} 80</pre> 81<p> 82 Return to <a class="link" href="../tutdaytime2.html" title="Daytime.2 - A synchronous TCP daytime server">Daytime.2 - A 83 synchronous TCP daytime server</a> 84 </p> 85</div> 86<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 87<td align="left"></td> 88<td align="right"><div class="copyright-footer">Copyright © 2003-2020 Christopher M. 89 Kohlhoff<p> 90 Distributed under the Boost Software License, Version 1.0. (See accompanying 91 file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) 92 </p> 93</div></td> 94</tr></table> 95<hr> 96<div class="spirit-nav"> 97<a accesskey="p" href="../tutdaytime2.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../tutdaytime2.html"><img src="../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../boost_asio.html"><img src="../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="../tutdaytime3.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> 98</div> 99</body> 100</html> 101
