170 lines
5.7 KiB
HTML
170 lines
5.7 KiB
HTML
<html>
|
|
<head>
|
|
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
|
|
<title>Source listing for Daytime.3</title>
|
|
<link rel="stylesheet" href="../../../../../doc/src/boostbook.css" type="text/css">
|
|
<meta name="generator" content="DocBook XSL Stylesheets V1.79.1">
|
|
<link rel="home" href="../../../boost_asio.html" title="Boost.Asio">
|
|
<link rel="up" href="../tutdaytime3.html" title="Daytime.3 - An asynchronous TCP daytime server">
|
|
<link rel="prev" href="../tutdaytime3.html" title="Daytime.3 - An asynchronous TCP daytime server">
|
|
<link rel="next" href="../tutdaytime4.html" title="Daytime.4 - A synchronous UDP daytime client">
|
|
</head>
|
|
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
|
|
<table cellpadding="2" width="100%"><tr>
|
|
<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../boost.png"></td>
|
|
<td align="center"><a href="../../../../../index.html">Home</a></td>
|
|
<td align="center"><a href="../../../../../libs/libraries.htm">Libraries</a></td>
|
|
<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td>
|
|
<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td>
|
|
<td align="center"><a href="../../../../../more/index.htm">More</a></td>
|
|
</tr></table>
|
|
<hr>
|
|
<div class="spirit-nav">
|
|
<a accesskey="p" href="../tutdaytime3.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../tutdaytime3.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="../tutdaytime4.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a>
|
|
</div>
|
|
<div class="section">
|
|
<div class="titlepage"><div><div><h4 class="title">
|
|
<a name="boost_asio.tutorial.tutdaytime3.src"></a><a class="link" href="src.html" title="Source listing for Daytime.3">Source listing
|
|
for Daytime.3</a>
|
|
</h4></div></div></div>
|
|
<pre class="programlisting">//
|
|
// server.cpp
|
|
// ~~~~~~~~~~
|
|
//
|
|
// Copyright (c) 2003-2021 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/bind/bind.hpp>
|
|
#include <boost/shared_ptr.hpp>
|
|
#include <boost/enable_shared_from_this.hpp>
|
|
#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);
|
|
}
|
|
|
|
class tcp_connection
|
|
: public boost::enable_shared_from_this<tcp_connection>
|
|
{
|
|
public:
|
|
typedef boost::shared_ptr<tcp_connection> pointer;
|
|
|
|
static pointer create(boost::asio::io_context& io_context)
|
|
{
|
|
return pointer(new tcp_connection(io_context));
|
|
}
|
|
|
|
tcp::socket& socket()
|
|
{
|
|
return socket_;
|
|
}
|
|
|
|
void start()
|
|
{
|
|
message_ = make_daytime_string();
|
|
|
|
boost::asio::async_write(socket_, boost::asio::buffer(message_),
|
|
boost::bind(&tcp_connection::handle_write, shared_from_this(),
|
|
boost::asio::placeholders::error,
|
|
boost::asio::placeholders::bytes_transferred));
|
|
}
|
|
|
|
private:
|
|
tcp_connection(boost::asio::io_context& io_context)
|
|
: socket_(io_context)
|
|
{
|
|
}
|
|
|
|
void handle_write(const boost::system::error_code& /*error*/,
|
|
size_t /*bytes_transferred*/)
|
|
{
|
|
}
|
|
|
|
tcp::socket socket_;
|
|
std::string message_;
|
|
};
|
|
|
|
class tcp_server
|
|
{
|
|
public:
|
|
tcp_server(boost::asio::io_context& io_context)
|
|
: io_context_(io_context),
|
|
acceptor_(io_context, tcp::endpoint(tcp::v4(), 13))
|
|
{
|
|
start_accept();
|
|
}
|
|
|
|
private:
|
|
void start_accept()
|
|
{
|
|
tcp_connection::pointer new_connection =
|
|
tcp_connection::create(io_context_);
|
|
|
|
acceptor_.async_accept(new_connection->socket(),
|
|
boost::bind(&tcp_server::handle_accept, this, new_connection,
|
|
boost::asio::placeholders::error));
|
|
}
|
|
|
|
void handle_accept(tcp_connection::pointer new_connection,
|
|
const boost::system::error_code& error)
|
|
{
|
|
if (!error)
|
|
{
|
|
new_connection->start();
|
|
}
|
|
|
|
start_accept();
|
|
}
|
|
|
|
boost::asio::io_context& io_context_;
|
|
tcp::acceptor acceptor_;
|
|
};
|
|
|
|
int main()
|
|
{
|
|
try
|
|
{
|
|
boost::asio::io_context io_context;
|
|
tcp_server server(io_context);
|
|
io_context.run();
|
|
}
|
|
catch (std::exception& e)
|
|
{
|
|
std::cerr << e.what() << std::endl;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
</pre>
|
|
<p>
|
|
Return to <a class="link" href="../tutdaytime3.html" title="Daytime.3 - An asynchronous TCP daytime server">Daytime.3 - An
|
|
asynchronous TCP daytime server</a>
|
|
</p>
|
|
</div>
|
|
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
|
|
<td align="left"></td>
|
|
<td align="right"><div class="copyright-footer">Copyright © 2003-2021 Christopher
|
|
M. Kohlhoff<p>
|
|
Distributed under the Boost Software License, Version 1.0. (See accompanying
|
|
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>)
|
|
</p>
|
|
</div></td>
|
|
</tr></table>
|
|
<hr>
|
|
<div class="spirit-nav">
|
|
<a accesskey="p" href="../tutdaytime3.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../tutdaytime3.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="../tutdaytime4.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a>
|
|
</div>
|
|
</body>
|
|
</html>
|