X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fencode_server_finder.h;fp=src%2Flib%2Fencode_server_finder.h;h=49433ad42fe2a9cd24aa7e6d872ec326cf9f9c07;hb=17df947ac256397311a11894062070f8069c7e75;hp=0000000000000000000000000000000000000000;hpb=d499ec381ea5fbbae954531be9d66c9cc723c230;p=dcpomatic.git

diff --git a/src/lib/encode_server_finder.h b/src/lib/encode_server_finder.h
new file mode 100644
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+++ b/src/lib/encode_server_finder.h
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+/*
+    Copyright (C) 2013-2015 Carl Hetherington <cth@carlh.net>
+
+    This program 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.
+
+    This program 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, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+/** @file  src/lib/encode_server_finder.h
+ *  @brief EncodeServerFinder class.
+ */
+
+#include "signaller.h"
+#include "encode_server_description.h"
+#include "config.h"
+#include "exception_store.h"
+#include <boost/signals2.hpp>
+#include <boost/thread/condition.hpp>
+
+class Socket;
+
+class EncodeServerFinder : public Signaller, public ExceptionStore
+{
+public:
+	static EncodeServerFinder* instance ();
+	static void drop ();
+
+	void disable () {
+		_disabled = true;
+	}
+
+	bool disabled () const {
+		return _disabled;
+	}
+
+	std::list<EncodeServerDescription> servers () const;
+
+	/** Emitted whenever the list of servers changes */
+	boost::signals2::signal<void ()> ServersListChanged;
+
+private:
+	EncodeServerFinder ();
+	~EncodeServerFinder ();
+
+	void start ();
+
+	void search_thread ();
+	void listen_thread ();
+
+	bool server_found (std::string) const;
+	void start_accept ();
+	void handle_accept (boost::system::error_code ec, boost::shared_ptr<Socket> socket);
+
+	void config_changed (Config::Property what);
+
+	bool _disabled;
+
+	/** Thread to periodically issue broadcasts and requests to find encoding servers */
+	boost::thread* _search_thread;
+	/** Thread to listen to the responses from servers */
+	boost::thread* _listen_thread;
+
+	std::list<EncodeServerDescription> _servers;
+	mutable boost::mutex _servers_mutex;
+
+	boost::asio::io_service _listen_io_service;
+	boost::shared_ptr<boost::asio::ip::tcp::acceptor> _listen_acceptor;
+	bool _stop;
+
+	boost::condition _search_condition;
+	boost::mutex _search_condition_mutex;
+
+	static EncodeServerFinder* _instance;
+};