2 Copyright (C) 2013-2015 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #include "signaller.h"
22 #include <boost/signals2.hpp>
24 class ServerFinder : public Signaller, public ExceptionStore
27 boost::signals2::connection connect (boost::function<void (ServerDescription)>);
29 static ServerFinder* instance ();
36 bool disabled () const {
44 void broadcast_thread ();
45 void listen_thread ();
47 bool server_found (std::string) const;
49 void handle_accept (boost::system::error_code ec, boost::shared_ptr<Socket> socket);
51 boost::signals2::signal<void (ServerDescription)> ServerFound;
55 /** Thread to periodically issue broadcasts to find encoding servers */
56 boost::thread* _broadcast_thread;
57 /** Thread to listen to the responses from servers */
58 boost::thread* _listen_thread;
60 std::list<ServerDescription> _servers;
61 mutable boost::mutex _mutex;
63 boost::asio::io_service _listen_io_service;
64 boost::shared_ptr<boost::asio::ip::tcp::acceptor> _listen_acceptor;
67 static ServerFinder* _instance;