Rename Server -> EncodeServer, ServerFinder -> EncodeServerFinder, ServerDescription...

[dcpomatic.git] / src / lib / encode_server_finder.h

diff --git a/src/lib/encode_server_finder.h b/src/lib/encode_server_finder.h
new file mode 100644 (file)
index 0000000..49433ad
--- /dev/null
+++ b/src/lib/encode_server_finder.h
@@ -0,0 +1,85 @@
+/*
+    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;
+};