summaryrefslogtreecommitdiffstats
path: root/src/engine/events/DisconnectionEvent.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/engine/events/DisconnectionEvent.cpp')
-rw-r--r--src/engine/events/DisconnectionEvent.cpp213
1 files changed, 213 insertions, 0 deletions
diff --git a/src/engine/events/DisconnectionEvent.cpp b/src/engine/events/DisconnectionEvent.cpp
new file mode 100644
index 00000000..86ad8b4e
--- /dev/null
+++ b/src/engine/events/DisconnectionEvent.cpp
@@ -0,0 +1,213 @@
+/* This file is part of Ingen.
+ * Copyright (C) 2007 Dave 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 "DisconnectionEvent.hpp"
+#include <string>
+#include <raul/Maid.hpp>
+#include <raul/Path.hpp>
+#include "Responder.hpp"
+#include "Engine.hpp"
+#include "ConnectionImpl.hpp"
+#include "InputPort.hpp"
+#include "OutputPort.hpp"
+#include "PatchImpl.hpp"
+#include "ClientBroadcaster.hpp"
+#include "PortImpl.hpp"
+#include "EngineStore.hpp"
+
+using std::string;
+namespace Ingen {
+
+
+//// DisconnectionEvent ////
+
+
+DisconnectionEvent::DisconnectionEvent(Engine& engine, SharedPtr<Responder> responder, SampleCount timestamp, const string& src_port_path, const string& dst_port_path)
+: QueuedEvent(engine, responder, timestamp),
+ _src_port_path(src_port_path),
+ _dst_port_path(dst_port_path),
+ _patch(NULL),
+ _src_port(NULL),
+ _dst_port(NULL),
+ _lookup(true),
+ _patch_connection(NULL),
+ _compiled_patch(NULL),
+ _error(NO_ERROR)
+{
+}
+
+
+DisconnectionEvent::DisconnectionEvent(Engine& engine, SharedPtr<Responder> responder, SampleCount timestamp, PortImpl* const src_port, PortImpl* const dst_port)
+: QueuedEvent(engine, responder, timestamp),
+ _src_port_path(src_port->path()),
+ _dst_port_path(dst_port->path()),
+ _patch(src_port->parent_node()->parent_patch()),
+ _src_port(src_port),
+ _dst_port(dst_port),
+ _lookup(false),
+ _compiled_patch(NULL),
+ _error(NO_ERROR)
+{
+ // FIXME: These break for patch ports.. is that ok?
+ /*assert(src_port->is_output());
+ assert(dst_port->is_input());
+ assert(src_port->type() == dst_port->type());
+ assert(src_port->parent_node()->parent_patch()
+ == dst_port->parent_node()->parent_patch()); */
+}
+
+
+void
+DisconnectionEvent::pre_process()
+{
+ if (_lookup) {
+ if (_src_port_path.parent().parent() != _dst_port_path.parent().parent()
+ && _src_port_path.parent() != _dst_port_path.parent().parent()
+ && _src_port_path.parent().parent() != _dst_port_path.parent()) {
+ _error = PARENT_PATCH_DIFFERENT;
+ QueuedEvent::pre_process();
+ return;
+ }
+
+ _src_port = _engine.engine_store()->find_port(_src_port_path);
+ _dst_port = _engine.engine_store()->find_port(_dst_port_path);
+ }
+
+ if (_src_port == NULL || _dst_port == NULL) {
+ _error = PORT_NOT_FOUND;
+ QueuedEvent::pre_process();
+ return;
+ }
+
+ _dst_input_port = dynamic_cast<InputPort*>(_dst_port);
+ _src_output_port = dynamic_cast<OutputPort*>(_src_port);
+ assert(_src_output_port);
+ assert(_dst_input_port);
+
+ NodeImpl* const src_node = _src_port->parent_node();
+ NodeImpl* const dst_node = _dst_port->parent_node();
+
+ // Connection to a patch port from inside the patch
+ if (src_node->parent_patch() != dst_node->parent_patch()) {
+
+ assert(src_node->parent() == dst_node || dst_node->parent() == src_node);
+ if (src_node->parent() == dst_node)
+ _patch = dynamic_cast<PatchImpl*>(dst_node);
+ else
+ _patch = dynamic_cast<PatchImpl*>(src_node);
+
+ // Connection from a patch input to a patch output (pass through)
+ } else if (src_node == dst_node && dynamic_cast<PatchImpl*>(src_node)) {
+ _patch = dynamic_cast<PatchImpl*>(src_node);
+
+ // Normal connection between nodes with the same parent
+ } else {
+ _patch = src_node->parent_patch();
+ }
+
+ assert(_patch);
+
+ //if (_dst_input_port->is_connected_to(_src_output_port)) {
+ if (!_patch->has_connection(_src_output_port, _dst_input_port)) {
+ _error = NOT_CONNECTED;
+ QueuedEvent::pre_process();
+ return;
+ }
+
+ if (src_node == NULL || dst_node == NULL) {
+ _error = PARENTS_NOT_FOUND;
+ QueuedEvent::pre_process();
+ return;
+ }
+
+ for (Raul::List<NodeImpl*>::iterator i = dst_node->providers()->begin(); i != dst_node->providers()->end(); ++i)
+ if ((*i) == src_node) {
+ delete dst_node->providers()->erase(i);
+ break;
+ }
+
+ for (Raul::List<NodeImpl*>::iterator i = src_node->dependants()->begin(); i != src_node->dependants()->end(); ++i)
+ if ((*i) == dst_node) {
+ delete src_node->dependants()->erase(i);
+ break;
+ }
+
+ _patch_connection = _patch->remove_connection(_src_port, _dst_port);
+
+ if (_patch->enabled())
+ _compiled_patch = _patch->compile();
+
+ QueuedEvent::pre_process();
+}
+
+
+void
+DisconnectionEvent::execute(ProcessContext& context)
+{
+ QueuedEvent::execute(context);
+
+ if (_error == NO_ERROR) {
+ InputPort::Connections::Node* const port_connection
+ = _dst_input_port->remove_connection(_src_output_port);
+
+ if (port_connection != NULL) {
+ assert(_patch_connection);
+
+ if (port_connection->elem() != _patch_connection->elem()) {
+ cerr << "ERROR: Corrupt connections:" << endl;
+ cerr << "\t" << port_connection->elem() << ": "
+ << port_connection->elem()->src_port_path()
+ << " -> " << port_connection->elem()->dst_port_path() << endl
+ << "!=" << endl
+ << "\t" << _patch_connection->elem() << ": "
+ << _patch_connection->elem()->src_port_path()
+ << " -> " << _patch_connection->elem()->dst_port_path() << endl;
+ }
+ assert(port_connection->elem() == _patch_connection->elem());
+
+ // Destroy list node, which will drop reference to connection itself
+ _engine.maid()->push(port_connection);
+ _engine.maid()->push(_patch_connection);
+
+ if (_patch->compiled_patch() != NULL)
+ _engine.maid()->push(_patch->compiled_patch());
+ _patch->compiled_patch(_compiled_patch);
+ } else {
+ _error = CONNECTION_NOT_FOUND;
+ }
+ }
+}
+
+
+void
+DisconnectionEvent::post_process()
+{
+ if (_error == NO_ERROR) {
+ _responder->respond_ok();
+ _engine.broadcaster()->send_disconnection(_src_port->path(), _dst_port->path());
+ } else {
+ // FIXME: better error messages
+ string msg = "Unable to disconnect ";
+ msg.append(_src_port_path + " -> " + _dst_port_path);
+ cerr << "DISCONNECTION ERROR " << (unsigned)_error << endl;
+ _responder->respond_error(msg);
+ }
+}
+
+
+} // namespace Ingen
+