/*
    Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>

    This file is part of DCP-o-matic.

    DCP-o-matic 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 2 of the License, or
    (at your option) any later version.

    DCP-o-matic 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 DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.

*/


#include "server.h"
#include "dcpomatic_socket.h"


#include "i18n.h"


using std::make_shared;
using std::shared_ptr;


Server::Server (int port, int timeout)
	: _terminate (false)
	, _acceptor(_io_context, boost::asio::ip::tcp::endpoint (boost::asio::ip::tcp::v4(), port))
	, _timeout (timeout)
{

}


Server::~Server ()
{
	stop();
}


void
Server::run ()
{
	start_accept ();
	_io_context.run();
}


void
Server::start_accept ()
{
	{
		boost::mutex::scoped_lock lm (_mutex);
		if (_terminate) {
			return;
		}
	}

	auto socket = make_shared<Socket>(_timeout);
	_acceptor.async_accept (socket->socket (), boost::bind (&Server::handle_accept, this, socket, boost::asio::placeholders::error));
}


void
Server::handle_accept (shared_ptr<Socket> socket, boost::system::error_code const & error)
{
	if (error) {
		return;
	}

	_socket = socket;

	handle (socket);
	start_accept ();
}


void
Server::stop ()
{
	{
		boost::mutex::scoped_lock lm (_mutex);
		_terminate = true;
	}

	_acceptor.close ();
	if (auto s = _socket.lock()) {
		s->close();
	}
	_io_context.stop();
}