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-rw-r--r--src/server/events/Delete.cpp213
1 files changed, 213 insertions, 0 deletions
diff --git a/src/server/events/Delete.cpp b/src/server/events/Delete.cpp
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+++ b/src/server/events/Delete.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 "raul/Maid.hpp"
+#include "raul/Path.hpp"
+#include "ClientBroadcaster.hpp"
+#include "ControlBindings.hpp"
+#include "Delete.hpp"
+#include "DisconnectAll.hpp"
+#include "Driver.hpp"
+#include "Engine.hpp"
+#include "EngineStore.hpp"
+#include "NodeImpl.hpp"
+#include "PatchImpl.hpp"
+#include "PluginImpl.hpp"
+#include "PortImpl.hpp"
+#include "Request.hpp"
+
+using namespace std;
+
+namespace Ingen {
+namespace Server {
+namespace Events {
+
+Delete::Delete(Engine& engine,
+ SharedPtr<Request> request,
+ FrameTime time,
+ const Raul::URI& uri)
+ : QueuedEvent(engine, request, time, true)
+ , _uri(uri)
+ , _store_iterator(engine.engine_store()->end())
+ , _garbage(NULL)
+ , _driver_port(NULL)
+ , _patch_node_listnode(NULL)
+ , _patch_port_listnode(NULL)
+ , _ports_array(NULL)
+ , _compiled_patch(NULL)
+ , _disconnect_event(NULL)
+{
+ assert(request);
+ assert(request->source());
+
+ if (Raul::Path::is_path(uri))
+ _path = Raul::Path(uri.str());
+}
+
+Delete::~Delete()
+{
+ delete _disconnect_event;
+}
+
+void
+Delete::pre_process()
+{
+ if (_path.is_root() || _path == "path:/control_in" || _path == "path:/control_out") {
+ QueuedEvent::pre_process();
+ return;
+ }
+
+ _removed_bindings = _engine.control_bindings()->remove(_path);
+
+ _store_iterator = _engine.engine_store()->find(_path);
+
+ if (_store_iterator != _engine.engine_store()->end()) {
+ _node = PtrCast<NodeImpl>(_store_iterator->second);
+
+ if (!_node)
+ _port = PtrCast<PortImpl>(_store_iterator->second);
+ }
+
+ if (_store_iterator != _engine.engine_store()->end()) {
+ _removed_table = _engine.engine_store()->remove(_store_iterator);
+ }
+
+ if (_node && !_path.is_root()) {
+ assert(_node->parent_patch());
+ _patch_node_listnode = _node->parent_patch()->remove_node(_path.symbol());
+ if (_patch_node_listnode) {
+ assert(_patch_node_listnode->elem() == _node.get());
+
+ _disconnect_event = new DisconnectAll(_engine, _node->parent_patch(), _node.get());
+ _disconnect_event->pre_process();
+
+ if (_node->parent_patch()->enabled()) {
+ // FIXME: is this called multiple times?
+ _compiled_patch = _node->parent_patch()->compile();
+#ifndef NDEBUG
+ // Be sure node is removed from process order, so it can be deleted
+ for (size_t i=0; i < _compiled_patch->size(); ++i) {
+ assert(_compiled_patch->at(i).node() != _node.get());
+ // FIXME: check providers/dependants too
+ }
+#endif
+ }
+ }
+ } else if (_port) {
+ assert(_port->parent_patch());
+ _patch_port_listnode = _port->parent_patch()->remove_port(_path.symbol());
+ if (_patch_port_listnode) {
+ assert(_patch_port_listnode->elem() == _port.get());
+
+ _disconnect_event = new DisconnectAll(_engine, _port->parent_patch(), _port.get());
+ _disconnect_event->pre_process();
+
+ if (_port->parent_patch()->enabled()) {
+ // FIXME: is this called multiple times?
+ _compiled_patch = _port->parent_patch()->compile();
+ _ports_array = _port->parent_patch()->build_ports_array();
+ assert(_ports_array->size() == _port->parent_patch()->num_ports());
+ }
+ }
+
+ }
+
+ QueuedEvent::pre_process();
+}
+
+void
+Delete::execute(ProcessContext& context)
+{
+ QueuedEvent::execute(context);
+
+ PatchImpl* parent_patch = NULL;
+
+ if (_patch_node_listnode) {
+ assert(_node);
+
+ if (_disconnect_event)
+ _disconnect_event->execute(context);
+
+ parent_patch = _node->parent_patch();
+
+ } else if (_patch_port_listnode) {
+ assert(_port);
+
+ if (_disconnect_event)
+ _disconnect_event->execute(context);
+
+ parent_patch = _port->parent_patch();
+
+ _engine.maid()->push(_port->parent_patch()->external_ports());
+ _port->parent_patch()->external_ports(_ports_array);
+
+ if ( ! _port->parent_patch()->parent())
+ _garbage = _engine.driver()->remove_port(_port->path(), &_driver_port);
+ }
+
+ if (parent_patch) {
+ _engine.maid()->push(parent_patch->compiled_patch());
+ parent_patch->compiled_patch(_compiled_patch);
+ }
+
+ _request->unblock();
+}
+
+void
+Delete::post_process()
+{
+ _removed_bindings.reset();
+
+ if (!Raul::Path::is_path(_uri)
+ || _path.is_root() || _path == "path:/control_in" || _path == "path:/control_out") {
+ // XXX: Just ignore?
+ //_request->respond_error(_path.chop_scheme() + " can not be deleted");
+ } else if (!_node && !_port) {
+ string msg = string("Could not find object ") + _path.chop_scheme() + " to delete";
+ _request->respond_error(msg);
+ } else if (_patch_node_listnode) {
+ assert(_node);
+ _node->deactivate();
+ _request->respond_ok();
+ _engine.broadcaster()->bundle_begin();
+ if (_disconnect_event)
+ _disconnect_event->post_process();
+ _engine.broadcaster()->del(_path);
+ _engine.broadcaster()->bundle_end();
+ _engine.maid()->push(_patch_node_listnode);
+ } else if (_patch_port_listnode) {
+ assert(_port);
+ _request->respond_ok();
+ _engine.broadcaster()->bundle_begin();
+ if (_disconnect_event)
+ _disconnect_event->post_process();
+ _engine.broadcaster()->del(_path);
+ _engine.broadcaster()->bundle_end();
+ _engine.maid()->push(_patch_port_listnode);
+ } else {
+ _request->respond_error("Unable to delete object " + _path.chop_scheme());
+ }
+
+ if (_driver_port)
+ _driver_port->destroy();
+
+ _engine.maid()->push(_garbage);
+}
+
+} // namespace Server
+} // namespace Ingen
+} // namespace Events