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diff --git a/src/server/events/DisconnectAll.hpp b/src/server/events/DisconnectAll.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_EVENTS_DISCONNECTALL_HPP
+#define INGEN_EVENTS_DISCONNECTALL_HPP
+
+#include <list>
+
+#include "raul/Path.hpp"
+
+#include "CompiledGraph.hpp"
+#include "Disconnect.hpp"
+#include "Event.hpp"
+
+namespace ingen {
+namespace server {
+
+class BlockImpl;
+class GraphImpl;
+class PortImpl;
+
+namespace events {
+
+class Disconnect;
+
+/** An event to disconnect all connections to a Block.
+ *
+ * \ingroup engine
+ */
+class DisconnectAll : public Event
+{
+public:
+	DisconnectAll(Engine&                     engine,
+	              SPtr<Interface>             client,
+	              SampleCount                 timestamp,
+	              const ingen::DisconnectAll& msg);
+
+	DisconnectAll(Engine&    engine,
+	              GraphImpl* parent,
+	              Node*      object);
+
+	~DisconnectAll();
+
+	bool pre_process(PreProcessContext& ctx) override;
+	void execute(RunContext& context) override;
+	void post_process() override;
+	void undo(Interface& target) override;
+
+private:
+	typedef std::list<Disconnect::Impl*> Impls;
+
+	const ingen::DisconnectAll _msg;
+	GraphImpl*                 _parent;
+	BlockImpl*                 _block;
+	PortImpl*                  _port;
+	Impls                      _impls;
+	MPtr<CompiledGraph>        _compiled_graph;
+	bool                       _deleting;
+};
+
+} // namespace events
+} // namespace server
+} // namespace ingen
+
+#endif // INGEN_EVENTS_DISCONNECTALL_HPP