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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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--- a/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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