Work on loading old (deprecated) patches.

More error tolerance in Store, related bugfixes.
Patch port adding (threading) bug fixed (made event blocking).
Better PatchView cacheing.
Moved generic things from engine to util (shared)
Bug fixes, features, etc.


git-svn-id: http://svn.drobilla.net/lad/ingen@142 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 97 insertions, 0 deletions

diff --git a/src/libs/engine/events/RequestObjectEvent.cpp b/src/libs/engine/events/RequestObjectEvent.cpp
new file mode 100644
index 00000000..3b0dc6fd
--- /dev/null
+++ b/src/libs/engine/events/RequestObjectEvent.cpp
@@ -0,0 +1,97 @@
+/* This file is part of Ingen.  Copyright (C) 2006 Dave Robillard.
+ * 
+ * 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 "RequestObjectEvent.h"
+#include <string>
+#include "Responder.h"
+#include "Engine.h"
+#include "interface/ClientInterface.h"
+#include "TypedPort.h"
+#include "ObjectStore.h"
+#include "ClientBroadcaster.h"
+#include "Patch.h"
+#include "Node.h"
+#include "ObjectSender.h"
+
+using std::string;
+
+namespace Ingen {
+
+
+RequestObjectEvent::RequestObjectEvent(Engine& engine, CountedPtr<Responder> responder, SampleCount timestamp, const string& path)
+: QueuedEvent(engine, responder, timestamp),
+  m_path(path),
+  m_object(NULL)
+{
+}
+
+
+void
+RequestObjectEvent::pre_process()
+{
+	m_client = _engine.broadcaster()->client(_responder->client_key());
+	m_object = _engine.object_store()->find(m_path);
+
+	QueuedEvent::pre_process();
+}
+
+
+void
+RequestObjectEvent::execute(SampleCount nframes, FrameTime start, FrameTime end)
+{
+	QueuedEvent::execute(nframes, start, end);
+	assert(_time >= start && _time <= end);
+}
+
+
+void
+RequestObjectEvent::post_process()
+{
+	if (!m_object) {
+		_responder->respond_error("Unable to find object requested.");
+	
+	} else if (m_client) {	
+		Patch* const patch = dynamic_cast<Patch*>(m_object);
+		if (patch) {
+			_responder->respond_ok();
+			ObjectSender::send_patch(m_client.get(), patch, true);
+			return;
+		}
+		
+		Node* const node = dynamic_cast<Node*>(m_object);
+		if (node) {
+			_responder->respond_ok();
+			ObjectSender::send_node(m_client.get(), node, true);
+			return;
+		}
+		
+		Port* const port = dynamic_cast<Port*>(m_object);
+		if (port) {
+			_responder->respond_ok();
+			ObjectSender::send_port(m_client.get(), port);
+			return;
+		}
+		
+		_responder->respond_error("Object of unknown type requested.");
+
+	} else {
+		_responder->respond_error("Unable to find client to send object.");
+	}
+}
+
+
+} // namespace Ingen
+