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Diffstat (limited to 'src/server/events/DisconnectAll.cpp')
| -rw-r--r-- | src/server/events/DisconnectAll.cpp | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/src/server/events/DisconnectAll.cpp b/src/server/events/DisconnectAll.cpp new file mode 100644 index 00000000..11311d12 --- /dev/null +++ b/src/server/events/DisconnectAll.cpp @@ -0,0 +1,176 @@ +/* + This file is part of Ingen. + Copyright 2007-2016 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 <set> + +#include "ingen/Store.hpp" +#include "raul/Array.hpp" +#include "raul/Maid.hpp" +#include "raul/Path.hpp" + +#include "ArcImpl.hpp" +#include "BlockImpl.hpp" +#include "Broadcaster.hpp" +#include "Engine.hpp" +#include "GraphImpl.hpp" +#include "InputPort.hpp" +#include "PortImpl.hpp" +#include "PreProcessContext.hpp" +#include "events/Disconnect.hpp" +#include "events/DisconnectAll.hpp" +#include "util.hpp" + +namespace Ingen { +namespace Server { +namespace Events { + +DisconnectAll::DisconnectAll(Engine& engine, + SPtr<Interface> client, + SampleCount timestamp, + const Ingen::DisconnectAll& msg) + : Event(engine, client, msg.seq, timestamp) + , _msg(msg) + , _parent(nullptr) + , _block(nullptr) + , _port(nullptr) + , _deleting(false) +{ +} + +/** Internal version for use by other events. + */ +DisconnectAll::DisconnectAll(Engine& engine, + GraphImpl* parent, + Node* object) + : Event(engine) + , _msg{0, parent->path(), object->path()} + , _parent(parent) + , _block(dynamic_cast<BlockImpl*>(object)) + , _port(dynamic_cast<PortImpl*>(object)) + , _deleting(true) +{ +} + +DisconnectAll::~DisconnectAll() +{ + for (auto& i : _impls) { + delete i; + } +} + +bool +DisconnectAll::pre_process(PreProcessContext& ctx) +{ + std::unique_lock<Store::Mutex> lock(_engine.store()->mutex(), + std::defer_lock); + + if (!_deleting) { + lock.lock(); + + _parent = dynamic_cast<GraphImpl*>(_engine.store()->get(_msg.graph)); + if (!_parent) { + return Event::pre_process_done(Status::PARENT_NOT_FOUND, + _msg.graph); + } + + NodeImpl* const object = dynamic_cast<NodeImpl*>( + _engine.store()->get(_msg.path)); + if (!object) { + return Event::pre_process_done(Status::NOT_FOUND, _msg.path); + } + + if (object->parent_graph() != _parent + && object->parent()->parent_graph() != _parent) { + return Event::pre_process_done(Status::INVALID_PARENT, _msg.graph); + } + + // Only one of these will succeed + _block = dynamic_cast<BlockImpl*>(object); + _port = dynamic_cast<PortImpl*>(object); + + if (!_block && !_port) { + return Event::pre_process_done(Status::INTERNAL_ERROR, _msg.path); + } + } + + // Find set of arcs to remove + std::set<ArcImpl*> to_remove; + for (const auto& a : _parent->arcs()) { + ArcImpl* const arc = (ArcImpl*)a.second.get(); + if (_block) { + if (arc->tail()->parent_block() == _block + || arc->head()->parent_block() == _block) { + to_remove.insert(arc); + } + } else if (_port) { + if (arc->tail() == _port || arc->head() == _port) { + to_remove.insert(arc); + } + } + } + + // Create disconnect events (which erases from _parent->arcs()) + for (const auto& a : to_remove) { + _impls.push_back(new Disconnect::Impl( + _engine, _parent, + dynamic_cast<PortImpl*>(a->tail()), + dynamic_cast<InputPort*>(a->head()))); + } + + if (!_deleting && ctx.must_compile(*_parent)) { + if (!(_compiled_graph = compile(*_engine.maid(), *_parent))) { + return Event::pre_process_done(Status::COMPILATION_FAILED); + } + } + + return Event::pre_process_done(Status::SUCCESS); +} + +void +DisconnectAll::execute(RunContext& context) +{ + if (_status == Status::SUCCESS) { + for (auto& i : _impls) { + i->execute(context, + !_deleting || (i->head()->parent_block() != _block)); + } + } + + if (_compiled_graph) { + _parent->set_compiled_graph(std::move(_compiled_graph)); + } +} + +void +DisconnectAll::post_process() +{ + Broadcaster::Transfer t(*_engine.broadcaster()); + if (respond() == Status::SUCCESS) { + _engine.broadcaster()->message(_msg); + } +} + +void +DisconnectAll::undo(Interface& target) +{ + for (auto& i : _impls) { + target.connect(i->tail()->path(), i->head()->path()); + } +} + +} // namespace Events +} // namespace Server +} // namespace Ingen |