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diff --git a/src/server/EventWriter.hpp b/src/server/EventWriter.hpp
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+/*
+  This file is part of Ingen.
+  Copyright 2007-2016 David Robillard <http://drobilla.net/>
+
+  Ingen is free software: you can redistribute it and/or modify it under the
+  terms of the GNU Affero General Public License as published by the Free
+  Software Foundation, either version 3 of the License, or 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 Affero General Public License for details.
+
+  You should have received a copy of the GNU Affero General Public License
+  along with Ingen.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef INGEN_ENGINE_EVENTWRITER_HPP
+#define INGEN_ENGINE_EVENTWRITER_HPP
+
+#include <memory>
+#include <string>
+
+#include "ingen/Interface.hpp"
+#include "ingen/Resource.hpp"
+#include "ingen/types.hpp"
+
+#include "Event.hpp"
+#include "types.hpp"
+
+namespace ingen {
+namespace server {
+
+class Engine;
+
+/** An Interface that creates and enqueues Events for the Engine to execute.
+ */
+class EventWriter : public Interface
+{
+public:
+	explicit EventWriter(Engine& engine);
+
+	URI uri() const override { return URI("ingen:/clients/event_writer"); }
+
+	SPtr<Interface> respondee() const override {
+		return _respondee;
+	}
+
+	void set_respondee(SPtr<Interface> respondee) override {
+		_respondee = respondee;
+	}
+
+	void message(const Message& msg) override;
+
+	void        set_event_mode(Event::Mode mode) { _event_mode = mode; }
+	Event::Mode get_event_mode()                 { return _event_mode; }
+
+	void operator()(const BundleBegin&);
+	void operator()(const BundleEnd&);
+	void operator()(const Connect&);
+	void operator()(const Copy&);
+	void operator()(const Del&);
+	void operator()(const Delta&);
+	void operator()(const Disconnect&);
+	void operator()(const DisconnectAll&);
+	void operator()(const Error&) {}
+	void operator()(const Get&);
+	void operator()(const Move&);
+	void operator()(const Put&);
+	void operator()(const Redo&);
+	void operator()(const Response&) {}
+	void operator()(const SetProperty&);
+	void operator()(const Undo&);
+
+protected:
+	Engine&         _engine;
+	SPtr<Interface> _respondee;
+	Event::Mode     _event_mode;
+
+private:
+	SampleCount now() const;
+};
+
+} // namespace server
+} // namespace ingen
+
+#endif // INGEN_ENGINE_EVENTWRITER_HPP