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-rw-r--r--src/client/ClientStore.cpp487
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diff --git a/src/client/ClientStore.cpp b/src/client/ClientStore.cpp
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+/*
+ This file is part of Ingen.
+ Copyright 2007-2017 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/>.
+*/
+
+#include <boost/variant/apply_visitor.hpp>
+
+#include "ingen/Log.hpp"
+#include "ingen/client/ArcModel.hpp"
+#include "ingen/client/BlockModel.hpp"
+#include "ingen/client/ClientStore.hpp"
+#include "ingen/client/GraphModel.hpp"
+#include "ingen/client/ObjectModel.hpp"
+#include "ingen/client/PluginModel.hpp"
+#include "ingen/client/PortModel.hpp"
+#include "ingen/client/SigClientInterface.hpp"
+
+namespace ingen {
+namespace client {
+
+ClientStore::ClientStore(URIs& uris,
+ Log& log,
+ SPtr<SigClientInterface> emitter)
+ : _uris(uris)
+ , _log(log)
+ , _emitter(emitter)
+ , _plugins(new Plugins())
+{
+ if (emitter) {
+ emitter->signal_message().connect(
+ sigc::mem_fun(this, &ClientStore::message));
+ }
+}
+
+void
+ClientStore::clear()
+{
+ Store::clear();
+ _plugins->clear();
+}
+
+void
+ClientStore::add_object(SPtr<ObjectModel> object)
+{
+ // If we already have "this" object, merge the existing one into the new
+ // one (with precedence to the new values).
+ auto existing = find(object->path());
+ if (existing != end()) {
+ dynamic_ptr_cast<ObjectModel>(existing->second)->set(object);
+ } else {
+ if (!object->path().is_root()) {
+ SPtr<ObjectModel> parent = _object(object->path().parent());
+ if (parent) {
+ assert(object->path().is_child_of(parent->path()));
+ object->set_parent(parent);
+ parent->add_child(object);
+ assert(parent && (object->parent() == parent));
+
+ (*this)[object->path()] = object;
+ _signal_new_object.emit(object);
+ } else {
+ _log.error(fmt("Object %1% with no parent\n") % object->path());
+ }
+ } else {
+ (*this)[object->path()] = object;
+ _signal_new_object.emit(object);
+ }
+ }
+
+ for (auto p : object->properties()) {
+ object->signal_property().emit(p.first, p.second);
+ }
+}
+
+SPtr<ObjectModel>
+ClientStore::remove_object(const Raul::Path& path)
+{
+ // Find the object, the "top" of the tree to remove
+ const iterator top = find(path);
+ if (top == end()) {
+ return SPtr<ObjectModel>();
+ }
+
+ SPtr<ObjectModel> object = dynamic_ptr_cast<ObjectModel>(top->second);
+
+ // Remove object and any adjacent arcs from parent if applicable
+ if (object && object->parent()) {
+ SPtr<PortModel> port = dynamic_ptr_cast<PortModel>(object);
+ if (port && dynamic_ptr_cast<GraphModel>(port->parent())) {
+ disconnect_all(port->parent()->path(), path);
+ if (port->parent()->parent()) {
+ disconnect_all(port->parent()->parent()->path(), path);
+ }
+ } else if (port && port->parent()->parent()) {
+ disconnect_all(port->parent()->parent()->path(), path);
+ } else {
+ disconnect_all(object->parent()->path(), path);
+ }
+
+ object->parent()->remove_child(object);
+ }
+
+ // Remove the object and all its descendants
+ Objects removed;
+ remove(top, removed);
+
+ // Notify everything that needs to know this object has been removed
+ if (object) {
+ object->signal_destroyed().emit();
+ }
+
+ return object;
+}
+
+SPtr<PluginModel>
+ClientStore::_plugin(const URI& uri)
+{
+ const Plugins::iterator i = _plugins->find(uri);
+ return (i == _plugins->end()) ? SPtr<PluginModel>() : (*i).second;
+}
+
+SPtr<PluginModel>
+ClientStore::_plugin(const Atom& uri)
+{
+ /* FIXME: Should probably be stored with URIs rather than strings, to make
+ this a fast case. */
+
+ const Plugins::iterator i = _plugins->find(URI(_uris.forge.str(uri, false)));
+ return (i == _plugins->end()) ? SPtr<PluginModel>() : (*i).second;
+}
+
+SPtr<const PluginModel>
+ClientStore::plugin(const URI& uri) const
+{
+ return const_cast<ClientStore*>(this)->_plugin(uri);
+}
+
+SPtr<ObjectModel>
+ClientStore::_object(const Raul::Path& path)
+{
+ const iterator i = find(path);
+ if (i == end()) {
+ return SPtr<ObjectModel>();
+ } else {
+ SPtr<ObjectModel> model = dynamic_ptr_cast<ObjectModel>(i->second);
+ assert(model);
+ assert(model->path().is_root() || model->parent());
+ return model;
+ }
+}
+
+SPtr<const ObjectModel>
+ClientStore::object(const Raul::Path& path) const
+{
+ return const_cast<ClientStore*>(this)->_object(path);
+}
+
+SPtr<Resource>
+ClientStore::_resource(const URI& uri)
+{
+ if (uri_is_path(uri)) {
+ return _object(uri_to_path(uri));
+ } else {
+ return _plugin(uri);
+ }
+}
+
+SPtr<const Resource>
+ClientStore::resource(const URI& uri) const
+{
+ return const_cast<ClientStore*>(this)->_resource(uri);
+}
+
+void
+ClientStore::add_plugin(SPtr<PluginModel> pm)
+{
+ SPtr<PluginModel> existing = _plugin(pm->uri());
+ if (existing) {
+ existing->set(pm);
+ } else {
+ _plugins->emplace(pm->uri(), pm);
+ _signal_new_plugin.emit(pm);
+ }
+}
+
+/* ****** Signal Handlers ******** */
+
+void
+ClientStore::operator()(const Del& del)
+{
+ if (uri_is_path(del.uri)) {
+ remove_object(uri_to_path(del.uri));
+ } else {
+ auto p = _plugins->find(del.uri);
+ if (p != _plugins->end()) {
+ _plugins->erase(p);
+ _signal_plugin_deleted.emit(del.uri);
+ }
+ }
+}
+
+void
+ClientStore::operator()(const Copy&)
+{
+ _log.error("Client store copy unsupported\n");
+}
+
+void
+ClientStore::operator()(const Move& msg)
+{
+ const iterator top = find(msg.old_path);
+ if (top != end()) {
+ rename(top, msg.new_path);
+ }
+}
+
+void
+ClientStore::message(const Message& msg)
+{
+ boost::apply_visitor(*this, msg);
+}
+
+void
+ClientStore::operator()(const Put& msg)
+{
+ typedef Properties::const_iterator Iterator;
+
+ const auto& uri = msg.uri;
+ const auto& properties = msg.properties;
+
+ bool is_graph, is_block, is_port, is_output;
+ Resource::type(uris(), properties,
+ is_graph, is_block, is_port, is_output);
+
+ // Check for specially handled types
+ const Iterator t = properties.find(_uris.rdf_type);
+ if (t != properties.end()) {
+ const Atom& type(t->second);
+ if (_uris.pset_Preset == type) {
+ const Iterator p = properties.find(_uris.lv2_appliesTo);
+ const Iterator l = properties.find(_uris.rdfs_label);
+ SPtr<PluginModel> plug;
+ if (p == properties.end()) {
+ _log.error(fmt("Preset <%1%> with no plugin\n") % uri.c_str());
+ } else if (l == properties.end()) {
+ _log.error(fmt("Preset <%1%> with no label\n") % uri.c_str());
+ } else if (l->second.type() != _uris.forge.String) {
+ _log.error(fmt("Preset <%1%> label is not a string\n") % uri.c_str());
+ } else if (!(plug = _plugin(p->second))) {
+ _log.error(fmt("Preset <%1%> for unknown plugin %2%\n")
+ % uri.c_str() % _uris.forge.str(p->second, true));
+ } else {
+ plug->add_preset(uri, l->second.ptr<char>());
+ }
+ return;
+ } else if (_uris.ingen_Graph == type) {
+ is_graph = true;
+ } else if (_uris.ingen_Internal == type || _uris.lv2_Plugin == type) {
+ SPtr<PluginModel> p(new PluginModel(uris(), uri, type, properties));
+ add_plugin(p);
+ return;
+ }
+ }
+
+ if (!uri_is_path(uri)) {
+ _log.error(fmt("Put for unknown subject <%1%>\n")
+ % uri.c_str());
+ return;
+ }
+
+ const Raul::Path path(uri_to_path(uri));
+
+ SPtr<ObjectModel> obj = dynamic_ptr_cast<ObjectModel>(_object(path));
+ if (obj) {
+ obj->set_properties(properties);
+ return;
+ }
+
+ if (path.is_root()) {
+ is_graph = true;
+ }
+
+ if (is_graph) {
+ SPtr<GraphModel> model(new GraphModel(uris(), path));
+ model->set_properties(properties);
+ add_object(model);
+ } else if (is_block) {
+ auto p = properties.find(_uris.lv2_prototype);
+ if (p == properties.end()) {
+ p = properties.find(_uris.ingen_prototype);
+ }
+
+ SPtr<PluginModel> plug;
+ if (p->second.is_valid() && (p->second.type() == _uris.forge.URI ||
+ p->second.type() == _uris.forge.URID)) {
+ const URI uri(_uris.forge.str(p->second, false));
+ if (!(plug = _plugin(uri))) {
+ plug = SPtr<PluginModel>(
+ new PluginModel(uris(), uri, Atom(), Properties()));
+ add_plugin(plug);
+ }
+
+ SPtr<BlockModel> bm(new BlockModel(uris(), plug, path));
+ bm->set_properties(properties);
+ add_object(bm);
+ } else {
+ _log.warn(fmt("Block %1% has no prototype\n") % path.c_str());
+ }
+ } else if (is_port) {
+ PortModel::Direction pdir = (is_output)
+ ? PortModel::Direction::OUTPUT
+ : PortModel::Direction::INPUT;
+ uint32_t index = 0;
+ const Iterator i = properties.find(_uris.lv2_index);
+ if (i != properties.end() && i->second.type() == _uris.forge.Int) {
+ index = i->second.get<int32_t>();
+ }
+
+ SPtr<PortModel> p(new PortModel(uris(), path, index, pdir));
+ p->set_properties(properties);
+ add_object(p);
+ } else {
+ _log.warn(fmt("Ignoring %1% of unknown type\n") % path.c_str());
+ }
+}
+
+void
+ClientStore::operator()(const Delta& msg)
+{
+ const auto& uri = msg.uri;
+ if (uri == URI("ingen:/clients/this")) {
+ // Client property, which we don't store (yet?)
+ return;
+ }
+
+ if (!uri_is_path(uri)) {
+ _log.error(fmt("Delta for unknown subject <%1%>\n")
+ % uri.c_str());
+ return;
+ }
+
+ const Raul::Path path(uri_to_path(uri));
+
+ SPtr<ObjectModel> obj = _object(path);
+ if (obj) {
+ obj->remove_properties(msg.remove);
+ obj->add_properties(msg.add);
+ } else {
+ _log.warn(fmt("Failed to find object `%1%'\n") % path.c_str());
+ }
+}
+
+void
+ClientStore::operator()(const SetProperty& msg)
+{
+ const auto& subject_uri = msg.subject;
+ const auto& predicate = msg.predicate;
+ const auto& value = msg.value;
+
+ if (subject_uri == URI("ingen:/engine")) {
+ _log.info(fmt("Engine property <%1%> = %2%\n")
+ % predicate.c_str() % _uris.forge.str(value, false));
+ return;
+ }
+ SPtr<Resource> subject = _resource(subject_uri);
+ if (subject) {
+ if (predicate == _uris.ingen_activity) {
+ /* Activity is transient, trigger any live actions (like GUI
+ blinkenlights) but do not store the property. */
+ subject->on_property(predicate, value);
+ } else {
+ subject->set_property(predicate, value, msg.ctx);
+ }
+ } else {
+ SPtr<PluginModel> plugin = _plugin(subject_uri);
+ if (plugin) {
+ plugin->set_property(predicate, value);
+ } else if (predicate != _uris.ingen_activity) {
+ _log.warn(fmt("Property <%1%> for unknown object %2%\n")
+ % predicate.c_str() % subject_uri.c_str());
+ }
+ }
+}
+
+SPtr<GraphModel>
+ClientStore::connection_graph(const Raul::Path& tail_path,
+ const Raul::Path& head_path)
+{
+ SPtr<GraphModel> graph;
+
+ if (tail_path.parent() == head_path.parent()) {
+ graph = dynamic_ptr_cast<GraphModel>(_object(tail_path.parent()));
+ }
+
+ if (!graph && tail_path.parent() == head_path.parent().parent()) {
+ graph = dynamic_ptr_cast<GraphModel>(_object(tail_path.parent()));
+ }
+
+ if (!graph && tail_path.parent().parent() == head_path.parent()) {
+ graph = dynamic_ptr_cast<GraphModel>(_object(head_path.parent()));
+ }
+
+ if (!graph) {
+ graph = dynamic_ptr_cast<GraphModel>(_object(tail_path.parent().parent()));
+ }
+
+ if (!graph) {
+ _log.error(fmt("Unable to find graph for arc %1% => %2%\n")
+ % tail_path % head_path);
+ }
+
+ return graph;
+}
+
+bool
+ClientStore::attempt_connection(const Raul::Path& tail_path,
+ const Raul::Path& head_path)
+{
+ SPtr<PortModel> tail = dynamic_ptr_cast<PortModel>(_object(tail_path));
+ SPtr<PortModel> head = dynamic_ptr_cast<PortModel>(_object(head_path));
+
+ if (tail && head) {
+ SPtr<GraphModel> graph = connection_graph(tail_path, head_path);
+ SPtr<ArcModel> arc(new ArcModel(tail, head));
+ graph->add_arc(arc);
+ return true;
+ } else {
+ _log.warn(fmt("Failed to connect %1% => %2%\n")
+ % tail_path % head_path);
+ return false;
+ }
+}
+
+void
+ClientStore::operator()(const Connect& msg)
+{
+ attempt_connection(msg.tail, msg.head);
+}
+
+void
+ClientStore::operator()(const Disconnect& msg)
+{
+ SPtr<PortModel> tail = dynamic_ptr_cast<PortModel>(_object(msg.tail));
+ SPtr<PortModel> head = dynamic_ptr_cast<PortModel>(_object(msg.head));
+ SPtr<GraphModel> graph = connection_graph(msg.tail, msg.head);
+ if (graph) {
+ graph->remove_arc(tail.get(), head.get());
+ }
+}
+
+void
+ClientStore::operator()(const DisconnectAll& msg)
+{
+ SPtr<GraphModel> graph = dynamic_ptr_cast<GraphModel>(_object(msg.graph));
+ SPtr<ObjectModel> object = _object(msg.path);
+
+ if (!graph || !object) {
+ _log.error(fmt("Bad disconnect all notification %1% in %2%\n")
+ % msg.path % msg.graph);
+ return;
+ }
+
+ const GraphModel::Arcs arcs = graph->arcs();
+ for (auto a : arcs) {
+ SPtr<ArcModel> arc = dynamic_ptr_cast<ArcModel>(a.second);
+ if (arc->tail()->parent() == object
+ || arc->head()->parent() == object
+ || arc->tail()->path() == msg.path
+ || arc->head()->path() == msg.path) {
+ graph->remove_arc(arc->tail().get(), arc->head().get());
+ }
+ }
+}
+
+} // namespace client
+} // namespace ingen
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