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Diffstat (limited to 'src/server/events/RequestMetadata.cpp')
| -rw-r--r-- | src/server/events/RequestMetadata.cpp | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/src/server/events/RequestMetadata.cpp b/src/server/events/RequestMetadata.cpp new file mode 100644 index 00000000..156fb51d --- /dev/null +++ b/src/server/events/RequestMetadata.cpp @@ -0,0 +1,137 @@ +/* This file is part of Ingen. + * Copyright 2007-2011 David 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/IntrusivePtr.hpp" +#include "ingen/ClientInterface.hpp" +#include "events/RequestMetadata.hpp" +#include "shared/LV2Atom.hpp" +#include "shared/LV2URIMap.hpp" +#include "AudioBuffer.hpp" +#include "ClientBroadcaster.hpp" +#include "Engine.hpp" +#include "EngineStore.hpp" +#include "GraphObjectImpl.hpp" +#include "ObjectBuffer.hpp" +#include "PluginImpl.hpp" +#include "PortImpl.hpp" +#include "ProcessContext.hpp" +#include "Request.hpp" + +using namespace std; +using namespace Raul; + +namespace Ingen { +namespace Server { +namespace Events { + +RequestMetadata::RequestMetadata(Engine& engine, + SharedPtr<Request> request, + SampleCount timestamp, + Resource::Graph ctx, + const URI& subject, + const URI& key) + : QueuedEvent(engine, request, timestamp) + , _special_type(NONE) + , _uri(subject) + , _key(key) + , _resource(0) + , _context(ctx) +{ +} + +void +RequestMetadata::pre_process() +{ + const bool is_object = Path::is_path(_uri); + if (_request->client()) { + if (is_object) + _resource = _engine.engine_store()->find_object(Path(_uri.str())); + else + _resource = _engine.node_factory()->plugin(_uri); + + if (!_resource) { + QueuedEvent::pre_process(); + return; + } + } + + GraphObjectImpl* obj = dynamic_cast<GraphObjectImpl*>(_resource); + if (obj) { + if (_key == _engine.world()->uris()->ingen_value) + _special_type = PORT_VALUE; + else + _value = obj->get_property(_key); + } else { + _value = _resource->get_property(_key); + } + + QueuedEvent::pre_process(); +} + +void +RequestMetadata::execute(ProcessContext& context) +{ + QueuedEvent::execute(context); + if (_special_type == PORT_VALUE) { + PortImpl* port = dynamic_cast<PortImpl*>(_resource); + if (port) { + IntrusivePtr<AudioBuffer> abuf = PtrCast<AudioBuffer>(port->buffer(0)); + if (abuf) { + _value = abuf->value_at(0); + } else { + IntrusivePtr<ObjectBuffer> obuf = PtrCast<ObjectBuffer>(port->buffer(0)); + if (obuf) { + Ingen::Shared::LV2Atom::to_atom(*_engine.world()->uris().get(), + obuf->atom(), + _value); + } + } + } else { + _resource = 0; + } + } +} + +void +RequestMetadata::post_process() +{ + if (_request->client()) { + if (_special_type == PORT_VALUE) { + if (_resource) { + _request->respond_ok(); + _request->client()->set_property(_uri.str(), + _engine.world()->uris()->ingen_value, _value); + } else { + const string msg = "Get value for non-port " + _uri.str(); + _request->respond_error(msg); + } + } else if (!_resource) { + const string msg = "Unable to find subject " + _uri.str(); + _request->respond_error(msg); + } else { + _request->respond_ok(); + _request->client()->set_property(_uri, _key, _value); + } + } else { + _request->respond_error("Unknown client"); + } +} + +} // namespace Server +} // namespace Ingen +} // namespace Events + |