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remote.cc
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remote.cc
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/*
* remote.cc
* Copyright (C) 2015 Guido Aulisi <[email protected]>
*
* tombola is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* tombola is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_REMOTE
#include <iostream>
#include <boost/bind.hpp>
#include "remote.h"
using boost::asio::ip::udp;
using Glib::Threads::Thread;
remote::remote(callback *caller) : socket(ios)
{
this->caller = caller;
try {
socket.open(udp::v4());
socket.bind(udp::endpoint(udp::v4(), 50000));
start_receive();
}
catch (const boost::system::system_error& service_error) {
std::cerr << "Errore: " << service_error.what() << std::endl;
throw;
}
}
remote::~remote()
{
ios.stop();
if (thread) thread->join();
}
void remote::run()
{
try {
thread = Thread::create(boost::bind<void>(&boost::asio::io_service::run, &ios));
}
catch (const boost::system::system_error& service_error) {
std::cerr << service_error.what() << std::endl;
}
catch (const Glib::Threads::ThreadError& thread_error) {
std::cerr << thread_error.what() << std::endl;
}
}
void remote::start_receive()
{
socket.async_receive_from(boost::asio::buffer(&data, 1), remote_endpoint,
boost::bind(&remote::handle_receive, this,
boost::asio::placeholders::error, boost::asio::placeholders::bytes_transferred));
}
void remote::handle_receive(const boost::system::error_code& error, std::size_t)
{
if (!error || error == boost::asio::error::message_size) {
if (data == 'N') caller->call();
}
start_receive();
}
#endif // HAVE_REMOTE