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-rw-r--r--src/server/events/SetMetadata.cpp380
1 files changed, 380 insertions, 0 deletions
diff --git a/src/server/events/SetMetadata.cpp b/src/server/events/SetMetadata.cpp
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+/* 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 <string>
+#include <boost/format.hpp>
+#include "raul/log.hpp"
+#include "raul/Maid.hpp"
+#include "ingen/PortType.hpp"
+#include "shared/LV2URIMap.hpp"
+#include "ClientBroadcaster.hpp"
+#include "ControlBindings.hpp"
+#include "CreateNode.hpp"
+#include "CreatePatch.hpp"
+#include "CreatePort.hpp"
+#include "Driver.hpp"
+#include "Engine.hpp"
+#include "EngineStore.hpp"
+#include "GraphObjectImpl.hpp"
+#include "PatchImpl.hpp"
+#include "PluginImpl.hpp"
+#include "PortImpl.hpp"
+#include "Request.hpp"
+#include "SetMetadata.hpp"
+#include "SetPortValue.hpp"
+
+#define LOG(s) s << "[SetMetadata] "
+
+using namespace std;
+using namespace Raul;
+
+namespace Ingen {
+namespace Server {
+namespace Events {
+
+typedef Resource::Properties Properties;
+
+SetMetadata::SetMetadata(
+ Engine& engine,
+ SharedPtr<Request> request,
+ SampleCount timestamp,
+ bool create,
+ Resource::Graph context,
+ const URI& subject,
+ const Properties& properties,
+ const Properties& remove)
+ : QueuedEvent(engine, request, timestamp, false)
+ , _create_event(NULL)
+ , _subject(subject)
+ , _properties(properties)
+ , _remove(remove)
+ , _object(NULL)
+ , _patch(NULL)
+ , _compiled_patch(NULL)
+ , _create(create)
+ , _context(context)
+{
+ if (context != Resource::DEFAULT) {
+ Resource::set_context(_properties, context);
+ }
+
+ /*
+ LOG(info) << "Set " << subject << " : " << context << " {" << endl;
+ typedef Resource::Properties::const_iterator iterator;
+ for (iterator i = properties.begin(); i != properties.end(); ++i)
+ LOG(info) << " " << i->first << " = " << i->second << " :: " << i->second.type() << endl;
+ LOG(info) << "}" << endl;
+
+ LOG(info) << "Unset " << subject << " {" << endl;
+ typedef Resource::Properties::const_iterator iterator;
+ for (iterator i = remove.begin(); i != remove.end(); ++i)
+ LOG(info) << " " << i->first << " = " << i->second << " :: " << i->second.type() << endl;
+ LOG(info) << "}" << endl;
+ */
+}
+
+SetMetadata::~SetMetadata()
+{
+ for (SetEvents::iterator i = _set_events.begin(); i != _set_events.end(); ++i)
+ delete *i;
+
+ delete _create_event;
+}
+
+void
+SetMetadata::pre_process()
+{
+ typedef Properties::const_iterator iterator;
+
+ const bool is_graph_object = Path::is_path(_subject);
+
+ _object = is_graph_object
+ ? _engine.engine_store()->find_object(Path(_subject.str()))
+ : static_cast<Shared::ResourceImpl*>(_engine.node_factory()->plugin(_subject));
+
+ if (!_object && (!is_graph_object || !_create)) {
+ _error = NOT_FOUND;
+ QueuedEvent::pre_process();
+ return;
+ }
+
+ const Ingen::Shared::LV2URIMap& uris = *_engine.world()->uris().get();
+
+ if (is_graph_object && !_object) {
+ Path path(_subject.str());
+ bool is_patch = false, is_node = false, is_port = false, is_output = false;
+ PortType data_type(PortType::UNKNOWN);
+ Shared::ResourceImpl::type(uris, _properties, is_patch, is_node, is_port, is_output, data_type);
+
+ // Create a separate request without a source so EventSource isn't unblocked twice
+ SharedPtr<Request> sub_request(new Request(NULL, _request->client(), _request->id()));
+
+ if (is_patch) {
+ uint32_t poly = 1;
+ iterator p = _properties.find(uris.ingen_polyphony);
+ if (p != _properties.end() && p->second.is_valid() && p->second.type() == Atom::INT)
+ poly = p->second.get_int32();
+ _create_event = new CreatePatch(_engine, sub_request, _time,
+ path, poly, _properties);
+ } else if (is_node) {
+ const iterator p = _properties.find(uris.rdf_instanceOf);
+ _create_event = new CreateNode(_engine, sub_request, _time,
+ path, p->second.get_uri(), _properties);
+ } else if (is_port) {
+ _blocking = bool(_request);
+ _create_event = new CreatePort(_engine, sub_request, _time,
+ path, data_type.uri(), is_output, _properties);
+ }
+ if (_create_event)
+ _create_event->pre_process();
+ else
+ _error = BAD_OBJECT_TYPE;
+ QueuedEvent::pre_process();
+ return;
+ }
+
+ _types.reserve(_properties.size());
+
+ GraphObjectImpl* obj = dynamic_cast<GraphObjectImpl*>(_object);
+
+#if 0
+ // If we're replacing (i.e. this is a PUT, not a POST), first remove all properties
+ // with keys we will later set. This must be done first so a PUT with several properties
+ // of the same predicate (e.g. rdf:type) retains the multiple values. Only previously
+ // existing properties should be replaced
+ if (_replace)
+ for (Properties::iterator p = _properties.begin(); p != _properties.end(); ++p)
+ obj->properties().erase(p->first);
+#endif
+
+ for (Properties::const_iterator p = _remove.begin(); p != _remove.end(); ++p) {
+ const Raul::URI& key = p->first;
+ const Raul::Atom& value = p->second;
+ if (key == uris.ingen_controlBinding && value == uris.wildcard) {
+ PortImpl* port = dynamic_cast<PortImpl*>(_object);
+ if (port)
+ _old_bindings = _engine.control_bindings()->remove(port);
+ }
+ _object->remove_property(key, value);
+ }
+
+ for (Properties::iterator p = _properties.begin(); p != _properties.end(); ++p) {
+ const Raul::URI& key = p->first;
+ const Raul::Atom& value = p->second;
+ SpecialType op = NONE;
+ if (obj) {
+ Resource& resource = *obj;
+ resource.add_property(key, value);
+
+ PortImpl* port = dynamic_cast<PortImpl*>(_object);
+ if (port) {
+ if (key == uris.ingen_broadcast) {
+ if (value.type() == Atom::BOOL) {
+ op = ENABLE_BROADCAST;
+ } else {
+ _error = BAD_VALUE_TYPE;
+ }
+ } else if (key == uris.ingen_value) {
+ SetPortValue* ev = new SetPortValue(_engine, _request, _time, port, value);
+ ev->pre_process();
+ _set_events.push_back(ev);
+ } else if (key == uris.ingen_controlBinding) {
+ if (port->is_a(PortType::CONTROL)) {
+ if (value == uris.wildcard) {
+ _engine.control_bindings()->learn(port);
+ } else if (value.type() == Atom::DICT) {
+ op = CONTROL_BINDING;
+ } else {
+ _error = BAD_VALUE_TYPE;
+ }
+ } else {
+ _error = BAD_OBJECT_TYPE;
+ }
+ }
+ } else if ((_patch = dynamic_cast<PatchImpl*>(_object))) {
+ if (key == uris.ingen_enabled) {
+ if (value.type() == Atom::BOOL) {
+ op = ENABLE;
+ // FIXME: defer this until all other metadata has been processed
+ if (value.get_bool() && !_patch->enabled())
+ _compiled_patch = _patch->compile();
+ } else {
+ _error = BAD_VALUE_TYPE;
+ }
+ } else if (key == uris.ingen_polyphony) {
+ if (value.type() == Atom::INT) {
+ op = POLYPHONY;
+ _blocking = true;
+ _patch->prepare_internal_poly(*_engine.buffer_factory(), value.get_int32());
+ } else {
+ _error = BAD_VALUE_TYPE;
+ }
+ }
+ } else if (key == uris.ingen_polyphonic) {
+ PatchImpl* parent = dynamic_cast<PatchImpl*>(obj->parent());
+ if (parent) {
+ if (value.type() == Atom::BOOL) {
+ op = POLYPHONIC;
+ _blocking = true;
+ obj->set_property(key, value.get_bool());
+ NodeImpl* node = dynamic_cast<NodeImpl*>(obj);
+ if (node)
+ node->set_polyphonic(value.get_bool());
+ if (value.get_bool()) {
+ obj->prepare_poly(*_engine.buffer_factory(), parent->internal_poly());
+ } else {
+ obj->prepare_poly(*_engine.buffer_factory(), 1);
+ }
+ } else {
+ _error = BAD_VALUE_TYPE;
+ }
+ } else {
+ _error = BAD_OBJECT_TYPE;
+ }
+ }
+ }
+
+ if (_error != NO_ERROR) {
+ _error_predicate += key.str();
+ break;
+ }
+
+ _types.push_back(op);
+ }
+
+ QueuedEvent::pre_process();
+}
+
+void
+SetMetadata::execute(ProcessContext& context)
+{
+ if (_error != NO_ERROR) {
+ QueuedEvent::execute(context);
+ return;
+ }
+
+ if (_create_event) {
+ QueuedEvent::execute(context);
+ _create_event->execute(context);
+ if (_blocking)
+ _request->unblock();
+ return;
+ }
+
+ for (SetEvents::iterator i = _set_events.begin(); i != _set_events.end(); ++i)
+ (*i)->execute(context);
+
+ GraphObjectImpl* const object = dynamic_cast<GraphObjectImpl*>(_object);
+ NodeImpl* const node = dynamic_cast<NodeImpl*>(_object);
+ PortImpl* const port = dynamic_cast<PortImpl*>(_object);
+
+ std::vector<SpecialType>::const_iterator t = _types.begin();
+ for (Properties::const_iterator p = _properties.begin(); p != _properties.end(); ++p, ++t) {
+ const Raul::Atom& value = p->second;
+ switch (*t) {
+ case ENABLE_BROADCAST:
+ if (port)
+ port->broadcast(value.get_bool());
+ break;
+ case ENABLE:
+ if (value.get_bool()) {
+ if (_compiled_patch) {
+ _engine.maid()->push(_patch->compiled_patch());
+ _patch->compiled_patch(_compiled_patch);
+ }
+ _patch->enable();
+ } else {
+ _patch->disable();
+ }
+ break;
+ case POLYPHONIC:
+ {
+ PatchImpl* parent = reinterpret_cast<PatchImpl*>(object->parent());
+ if (value.get_bool())
+ object->apply_poly(*_engine.maid(), parent->internal_poly());
+ else
+ object->apply_poly(*_engine.maid(), 1);
+ }
+ break;
+ case POLYPHONY:
+ if (_patch->internal_poly() != static_cast<uint32_t>(value.get_int32()) &&
+ !_patch->apply_internal_poly(_engine.driver()->context(),
+ *_engine.buffer_factory(),
+ *_engine.maid(), value.get_int32())) {
+ _error = INTERNAL;
+ }
+ break;
+ case CONTROL_BINDING:
+ if (port) {
+ _engine.control_bindings()->port_binding_changed(context, port);
+ } else if (node) {
+ if (node->plugin_impl()->type() == Plugin::Internal) {
+ node->learn();
+ }
+ }
+ break;
+ case NONE:
+ break;
+ }
+ }
+
+ QueuedEvent::execute(context);
+
+ if (_blocking)
+ _request->unblock();
+}
+
+void
+SetMetadata::post_process()
+{
+ for (SetEvents::iterator i = _set_events.begin(); i != _set_events.end(); ++i)
+ (*i)->post_process();
+
+ switch (_error) {
+ case NO_ERROR:
+ if (_create_event)
+ _create_event->post_process();
+ else
+ _request->respond_ok();
+ if (_create)
+ _engine.broadcaster()->put(_subject, _properties, _context);
+ else
+ _engine.broadcaster()->delta(_subject, _remove, _properties);
+ break;
+ case NOT_FOUND:
+ _request->respond_error((boost::format(
+ "Unable to find object `%1%'") % _subject).str());
+ break;
+ case INTERNAL:
+ _request->respond_error("Internal error");
+ break;
+ case BAD_OBJECT_TYPE:
+ _request->respond_error((boost::format(
+ "Bad type for object `%1%'") % _subject).str());
+ break;
+ case BAD_VALUE_TYPE:
+ _request->respond_error((boost::format(
+ "Bad metadata value type for subject `%1%' predicate `%2%'")
+ % _subject % _error_predicate).str());
+ break;
+ }
+}
+
+} // namespace Server
+} // namespace Ingen
+} // namespace Events
+
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