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+/* This file is part of Ingen.
+ * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
+ *
+ * Ingen 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.
+ *
+ * Ingen 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 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.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef ENGINE_H
+#define ENGINE_H
+
+#include CONFIG_H_PATH
+#include <cassert>
+#include <vector>
+#include <boost/utility.hpp>
+#include <raul/SharedPtr.hpp>
+#include "module/global.hpp"
+#include "interface/DataType.hpp"
+#include "interface/EventType.hpp"
+
+template<typename T> class Queue;
+
+namespace Raul { class Maid; }
+
+namespace Ingen {
+
+class AudioDriver;
+class MidiDriver;
+class OSCDriver;
+class NodeFactory;
+class ClientBroadcaster;
+class EngineStore;
+class EventSource;
+class PostProcessor;
+class Event;
+class QueuedEvent;
+class QueuedEngineInterface;
+class Driver;
+class ProcessSlave;
+class ProcessContext;
+class MessageContext;
+
+
+/** The main class for the Engine.
+ *
+ * This is a (GoF) facade for the engine. Pointers to all components are
+ * available for more advanced control than this facade allows.
+ *
+ * \ingroup engine
+ */
+class Engine : boost::noncopyable
+{
+public:
+ Engine(Ingen::Shared::World* world);
+
+ virtual ~Engine();
+
+ virtual int main();
+ virtual bool main_iteration();
+
+ /** Set the quit flag that should kill all threads and exit cleanly.
+ * Note that it will take some time. */
+ virtual void quit() { _quit_flag = true; }
+
+ virtual void start_jack_driver();
+ virtual void start_osc_driver(int port);
+ virtual void start_http_driver(int port);
+
+ virtual SharedPtr<QueuedEngineInterface> new_queued_interface();
+
+ virtual bool activate(size_t parallelism);
+ virtual void deactivate();
+
+ void process_events(ProcessContext& context);
+
+ virtual bool activated() { return _activated; }
+
+ Raul::Maid* maid() const { return _maid; }
+ EventSource* event_source() const { return _event_source.get(); }
+ AudioDriver* audio_driver() const { return _audio_driver.get(); }
+ MidiDriver* midi_driver() const { return _midi_driver; }
+ OSCDriver* osc_driver() const { return _osc_driver; }
+ PostProcessor* post_processor() const { return _post_processor; }
+ ClientBroadcaster* broadcaster() const { return _broadcaster; }
+ NodeFactory* node_factory() const { return _node_factory; }
+ MessageContext* message_context() const { return _message_context; }
+
+ SharedPtr<EngineStore> engine_store() const;
+
+ /** Return the active driver for the given type */
+ Driver* driver(DataType type, EventType event_type);
+
+ Ingen::Shared::World* world() { return _world; }
+
+ typedef std::vector<ProcessSlave*> ProcessSlaves;
+ inline const ProcessSlaves& process_slaves() const { return _process_slaves; }
+ inline ProcessSlaves& process_slaves() { return _process_slaves; }
+
+private:
+ ProcessSlaves _process_slaves;
+
+ Ingen::Shared::World* _world;
+
+ SharedPtr<EventSource> _event_source;
+ SharedPtr<AudioDriver> _audio_driver;
+ MidiDriver* _midi_driver;
+ OSCDriver* _osc_driver;
+ Raul::Maid* _maid;
+ PostProcessor* _post_processor;
+ ClientBroadcaster* _broadcaster;
+ NodeFactory* _node_factory;
+ MessageContext* _message_context;
+
+ bool _quit_flag;
+ bool _activated;
+};
+
+
+} // namespace Ingen
+
+#endif // ENGINE_H