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- /**
- * @file kernel/pdevs/mpi/LogicalProcessor.hpp
- * @author The ARTIS Development Team
- * See the AUTHORS or Authors.txt file
- */
- /*
- * ARTIS - the multimodeling and simulation environment
- * This file is a part of the ARTIS environment
- *
- * Copyright (C) 2013-2019 ULCO http://www.univ-littoral.fr
- *
- * This program 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 3 of the License, or
- * (at your option) any later version.
- *
- * This program 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 more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
- #ifndef PDEVS_MPI_LOGICAL_PROCESSOR
- #define PDEVS_MPI_LOGICAL_PROCESSOR 1
- #include <artis-star/kernel/pdevs/mpi/ModelProxy.hpp>
- #include <boost/mpi/communicator.hpp>
- namespace artis {
- namespace pdevs {
- namespace mpi {
- template<class Time>
- class LogicalProcessor {
- typedef LogicalProcessor<Time> type;
- public:
- LogicalProcessor(common::Model<Time>* model, int rank, int parent)
- :
- _rank(rank),
- _parent(parent),
- _model(model) { }
- virtual ~LogicalProcessor() { }
- void dispatch_events_to_parent(common::Node<Time> node,
- const common::Value& content,
- typename Time::type t)
- {
- (void) t;
- _output_bag.push_back(
- common::ExternalEvent<Time>(node, content));
- }
- void loop()
- {
- typename Time::type t;
- for (;;) {
- boost::mpi::status msg = _communicator.probe();
- switch (msg.tag()) {
- case finish_send_tag:
- return;
- case output_send_tag: {
- _communicator.recv(_parent, output_send_tag, t);
- _model->output(t);
- _communicator.send(_parent, output_receive_tag,
- _output_bag);
- _output_bag.clear();
- break;
- }
- case post_event_send_tag: {
- common::ExternalEvent<Time> event;
- _communicator.recv(_parent, post_event_send_tag, t);
- _communicator.recv(_parent, post_event_send_tag, event);
- _model->post_event(t, event);
- break;
- }
- case start_send_tag:
- _communicator.recv(_parent, start_send_tag, t);
- _communicator.send(_parent, tn_receive_tag,
- _model->start(t));
- break;
- case transition_send_tag:
- _communicator.recv(_parent, transition_send_tag, t);
- _communicator.send(_parent, tn_receive_tag,
- _model->transition(t));
- break;
- default:
- throw std::runtime_error("Invalid tag");
- }
- }
- };
- private:
- int _rank;
- int _parent;
- boost::mpi::communicator _communicator;
- common::Model<Time>* _model;
- common::Bag<Time> _output_bag;
- };
- }
- }
- } // namespace artis pdevs mpi
- #endif
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