Chop "Event" from event source file names.

git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@2066 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 181 insertions, 0 deletions

diff --git a/src/engine/events/CreatePort.cpp b/src/engine/events/CreatePort.cpp
new file mode 100644
index 00000000..e12cdea2
--- /dev/null
+++ b/src/engine/events/CreatePort.cpp
@@ -0,0 +1,181 @@
+/* This file is part of Ingen.
+ * Copyright (C) 2007-2009 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
+ */
+
+#include "raul/Array.hpp"
+#include "raul/Atom.hpp"
+#include "raul/List.hpp"
+#include "raul/Maid.hpp"
+#include "raul/Path.hpp"
+#include "Responder.hpp"
+#include "CreatePort.hpp"
+#include "PatchImpl.hpp"
+#include "PluginImpl.hpp"
+#include "Engine.hpp"
+#include "PatchImpl.hpp"
+#include "QueuedEventSource.hpp"
+#include "EngineStore.hpp"
+#include "ClientBroadcaster.hpp"
+#include "PortImpl.hpp"
+#include "AudioDriver.hpp"
+#include "MidiDriver.hpp"
+#include "OSCDriver.hpp"
+#include "DuplexPort.hpp"
+
+using namespace std;
+using namespace Raul;
+
+namespace Ingen {
+
+using namespace Shared;
+
+
+CreatePortEvent::CreatePortEvent(
+		Engine&                     engine,
+		SharedPtr<Responder>        responder,
+		SampleCount                 timestamp,
+		const Raul::Path&           path,
+		const Raul::URI&            type,
+		bool                        is_output,
+		QueuedEventSource*          source,
+		const Resource::Properties& properties)
+	: QueuedEvent(engine, responder, timestamp, true, source)
+	, _error(NO_ERROR)
+	, _path(path)
+	, _type(type)
+	, _is_output(is_output)
+	, _data_type(type)
+	, _patch(NULL)
+	, _patch_port(NULL)
+	, _driver_port(NULL)
+	, _properties(properties)
+{
+	/* This is blocking because of the two different sets of Patch ports, the array used in the
+	 * audio thread (inherited from NodeBase), and the arrays used in the pre processor thread.
+	 * If two add port events arrive in the same cycle and the second pre processes before the
+	 * first executes, bad things happen (ports are lost).
+	 *
+	 * TODO: fix this using RCU?
+	 */
+
+	if (_data_type == DataType::UNKNOWN) {
+		cerr << "[CreatePortEvent] Unknown port type " << type << endl;
+		_error = UNKNOWN_TYPE;
+	}
+}
+
+
+void
+CreatePortEvent::pre_process()
+{
+	if (_error == UNKNOWN_TYPE || _engine.engine_store()->find_object(_path)) {
+		QueuedEvent::pre_process();
+		return;
+	}
+
+	_patch = _engine.engine_store()->find_patch(_path.parent());
+
+	if (_patch != NULL) {
+		assert(_patch->path() == _path.parent());
+
+		size_t buffer_size = 1;
+		if (_type.str() != "ingen:Float")
+			buffer_size = _engine.audio_driver()->buffer_size();
+
+		const uint32_t old_num_ports = _patch->num_ports();
+
+		_patch_port = _patch->create_port(_path.name(), _data_type, buffer_size, _is_output);
+		_patch_port->set_property("rdf:instanceOf", Atom(Atom::URI, _patch_port->meta_uri().str()));
+		_patch_port->meta().properties().insert(_properties.begin(), _properties.end());
+
+		if (_patch_port) {
+
+			if (_is_output)
+				_patch->add_output(new Raul::List<PortImpl*>::Node(_patch_port));
+			else
+				_patch->add_input(new Raul::List<PortImpl*>::Node(_patch_port));
+
+			if (_patch->external_ports())
+				_ports_array = new Raul::Array<PortImpl*>(old_num_ports + 1, *_patch->external_ports());
+			else
+				_ports_array = new Raul::Array<PortImpl*>(old_num_ports + 1, NULL);
+
+			_ports_array->at(_patch->num_ports()-1) = _patch_port;
+			_engine.engine_store()->add(_patch_port);
+
+			if (!_patch->parent()) {
+				if (_type.str() == "lv2:AudioPort") {
+					_driver_port = _engine.audio_driver()->create_port(
+							dynamic_cast<DuplexPort*>(_patch_port));
+				} else if (_type.str() == "lv2ev:EventPort") {
+					_driver_port = _engine.midi_driver()->create_port(
+							dynamic_cast<DuplexPort*>(_patch_port));
+				}
+			}
+
+			assert(_ports_array->size() == _patch->num_ports());
+
+		} else {
+			_error = CREATION_FAILED;
+		}
+	}
+	QueuedEvent::pre_process();
+}
+
+
+void
+CreatePortEvent::execute(ProcessContext& context)
+{
+	QueuedEvent::execute(context);
+
+	if (_patch_port) {
+		_engine.maid()->push(_patch->external_ports());
+		_patch->external_ports(_ports_array);
+	}
+
+	if (_driver_port) {
+		if (_type.str() == "lv2:AudioPort") {
+			_engine.audio_driver()->add_port(_driver_port);
+		} else if (_type.str() == "lv2ev:EventPort") {
+			_engine.midi_driver()->add_port(_driver_port);
+		}
+	}
+}
+
+
+void
+CreatePortEvent::post_process()
+{
+	string msg;
+	switch (_error) {
+	case NO_ERROR:
+		_responder->respond_ok();
+		_engine.broadcaster()->send_object(_patch_port, true);
+		break;
+	case UNKNOWN_TYPE:
+		msg = string("Could not create port ") + _path.str() + " (Unknown type)";
+		_responder->respond_error(msg);
+		break;
+	case CREATION_FAILED:
+		msg = string("Could not create port ") + _path.str() + " (Creation failed)";
+		_responder->respond_error(msg);
+		break;
+	}
+}
+
+
+} // namespace Ingen
+