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author | David Robillard <d@drobilla.net> | 2011-04-20 16:26:40 +0000 |
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committer | David Robillard <d@drobilla.net> | 2011-04-20 16:26:40 +0000 |
commit | 138a87e915ad3aff184730415105f94c874174bf (patch) | |
tree | 0d942bdddfdbcc3d969b4fce5592e770ab851b86 /src/server/ProcessSlave.hpp | |
parent | 1f1758f4dda0ddaf01c0b1d3a756f9db8ddc979d (diff) | |
download | ingen-138a87e915ad3aff184730415105f94c874174bf.tar.gz ingen-138a87e915ad3aff184730415105f94c874174bf.tar.bz2 ingen-138a87e915ad3aff184730415105f94c874174bf.zip |
Rename Ingen::Engine to Ingen::Server (hopefully avoid odd name clases and fix #675).
git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@3184 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/server/ProcessSlave.hpp')
-rw-r--r-- | src/server/ProcessSlave.hpp | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/src/server/ProcessSlave.hpp b/src/server/ProcessSlave.hpp new file mode 100644 index 00000000..4fb4b9d5 --- /dev/null +++ b/src/server/ProcessSlave.hpp @@ -0,0 +1,104 @@ +/* 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 + */ + +#ifndef INGEN_ENGINE_PROCESSSLAVE_HPP +#define INGEN_ENGINE_PROCESSSLAVE_HPP + +#include <sstream> + +#include "raul/Array.hpp" +#include "raul/AtomicInt.hpp" +#include "raul/Slave.hpp" + +#include "Driver.hpp" +#include "Engine.hpp" +#include "ProcessContext.hpp" + +namespace Ingen { +namespace Server { + +class NodeImpl; +class CompiledPatch; + +class ProcessSlave : protected Raul::Slave { +public: + ProcessSlave(Engine& engine, bool realtime) + : _engine(engine) + , _id(_next_id++) + , _index(0) + , _state(STATE_FINISHED) + , _compiled_patch(NULL) + , _context(NULL) + { + std::stringstream ss; + ss << "Process Slave "; + ss << _id; + set_name(ss.str()); + + start(); + + if (realtime) + set_scheduling(SCHED_FIFO, 40); + } + + ~ProcessSlave() { + stop(); + } + + inline void whip(CompiledPatch* compiled_patch, + uint32_t start_index, + ProcessContext& context) + { + assert(_state == STATE_FINISHED); + _index = start_index; + _state = STATE_RUNNING; + _compiled_patch = compiled_patch; + _context = &context; + + Raul::Slave::whip(); + } + + inline void finish() { + while (_state.get() != STATE_FINISHED) + _state.compare_and_exchange(STATE_RUNNING, STATE_FINISH_SIGNALLED); + } + + inline uint32_t id() const { return _id; } + inline const ProcessContext& context() const { return _engine.driver()->context(); } + inline ProcessContext& context() { return _engine.driver()->context(); } + +private: + void _whipped(); + + static uint32_t _next_id; + + static const int STATE_RUNNING = 0; + static const int STATE_FINISH_SIGNALLED = 1; + static const int STATE_FINISHED = 2; + + Engine& _engine; + uint32_t _id; + uint32_t _index; + Raul::AtomicInt _state; + CompiledPatch* _compiled_patch; + ProcessContext* _context; +}; + +} // namespace Server +} // namespace Ingen + +#endif // INGEN_ENGINE_PROCESSSLAVE_HPP |