doc/html/boost_asio/example/timeouts/datagram_receive_timeout.cpp
//
// datagram_receive_timeout.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2008 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 <boost/asio.hpp>
#include <boost/bind.hpp>
#include <boost/date_time/posix_time/posix_time_types.hpp>
#include <iostream>
using namespace boost::asio;
using boost::asio::ip::udp;
class datagram_handler
{
public:
datagram_handler(io_service& ios)
: io_service_(ios),
timer_(ios),
socket_(ios, udp::endpoint(udp::v4(), 32124))
{
socket_.async_receive_from(
boost::asio::buffer(data_, max_length), sender_endpoint_,
boost::bind(&datagram_handler::handle_receive_from, this,
boost::asio::placeholders::error,
boost::asio::placeholders::bytes_transferred));
timer_.expires_from_now(boost::posix_time::seconds(5));
timer_.async_wait(boost::bind(&datagram_handler::close, this));
}
void handle_receive_from(const boost::system::error_code& err, size_t length)
{
if (err)
{
std::cout << "Receive error: " << err.message() << "\n";
}
else
{
std::cout << "Successful receive\n";
}
}
void close()
{
socket_.close();
}
private:
io_service& io_service_;
deadline_timer timer_;
udp::socket socket_;
udp::endpoint sender_endpoint_;
enum { max_length = 512 };
char data_[max_length];
};
int main()
{
try
{
io_service ios;
datagram_handler dh(ios);
ios.run();
}
catch (std::exception& e)
{
std::cerr << "Exception: " << e.what() << "\n";
}
return 0;
}