artis-star/src/artis-star/kernel/sss/GraphManager.hpp

/**
 * @file kernel/sss/GraphManager.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 SSS_GRAPH_MANAGER
#define SSS_GRAPH_MANAGER

#include <artis-star/common/Coordinator.hpp>
#include <artis-star/common/GraphManager.hpp>
#include <artis-star/common/Links.hpp>
#include <artis-star/common/Parameters.hpp>

#include <artis-star/kernel/sss/Model.hpp>

namespace artis {
    namespace sss {

        template<class Time,
                class GraphParameters = common::NoParameters>
        class GraphManager : public common::GraphManager<Time> {
        public:
            GraphManager(common::Coordinator<Time>* coordinator,
                    const GraphParameters& /* parameters */)
                    :
                    common::GraphManager<Time>(coordinator) { }

            virtual ~GraphManager() { }

            void add_link(common::Model<Time>* src_model,
                    const std::string& src_port_name,
                    common::Model<Time>* dst_model,
                    const std::string& dst_port_name)
            {
                assert((src_model != _coordinator and
                        dst_model != _coordinator and
                        src_model->exist_out_port(src_port_name) and
                        dst_model->exist_in_port(dst_port_name)) or
                        (src_model == _coordinator and
                                dst_model != _coordinator and
                                src_model->exist_in_port(src_port_name) and
                                dst_model->exist_in_port(dst_port_name)) or
                        (src_model != _coordinator and
                                dst_model == _coordinator and
                                src_model->exist_out_port(src_port_name) and
                                dst_model->exist_out_port(dst_port_name)));

                _link_list.add(src_model, src_port_name, dst_model, dst_port_name);
            }

            void dispatch_events(common::Bag<Time> bag,
                    typename Time::type t)
            {
                for (auto& ymsg : bag) {
                    typename common::Links<Time>::Result result_model =
                            _link_list.find(ymsg.get_model(),
                                    ymsg.get_port_name());

                    for (typename common::Links<Time>::const_iterator it =
                            result_model.first; it != result_model.second; ++it) {
                        // event on output port of coupled model
                        if (it->second.get_model() == _coordinator) {
                            common::Bag<Time> ymessages;

                            ymessages.push_back(
                                    common::ExternalEvent<Time>(
                                            it->second,
                                            ymsg.data()));
                            dynamic_cast < common::Coordinator<
                                    Time>* >(_coordinator->get_parent())
                                    ->dispatch_events(ymessages, t);
                        } else { // event on input port of internal model
                            it->second.get_model()->post_event(
                                    t, common::ExternalEvent<Time>(
                                            it->second,
                                            ymsg.data()));
                        }
                    }
                }
            }

            void post_event(typename Time::type t,
                    const common::ExternalEvent<Time>& event)
            {
                typename common::Links<Time>::Result result =
                        _link_list.find(_coordinator, event.get_port_name());

                for (typename common::Links<Time>::const_iterator it_r =
                        result.first; it_r != result.second; ++it_r) {
                    it_r->second.get_model()->post_event(
                            t, common::ExternalEvent<Time>(it_r->second,
                                    event.data()));
                }
            }

        private:
            common::Links<Time> _link_list;
        };

    }
} // namespace artis sss

#endif