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

/**
 * @file kernel/sss/Simulator.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_SIMULATOR
#define SSS_SIMULATOR 1

#include <artis-star/common/Coordinator.hpp>
#include <artis-star/common/Parameters.hpp>
#include <artis-star/common/Simulator.hpp>
#include <artis-star/common/utils/Trace.hpp>

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

#include <cassert>

namespace artis {
    namespace sss {

        template<class Time, class Dynamics,
                class Parameters = common::NoParameters>
        class Simulator : public common::Simulator<Time>,
                          public sss::Model<Time> {
            typedef Simulator<Time, Dynamics, Parameters> type;

        public:
            Simulator(const std::string& name, const typename Time::type& time_step,
                    const Parameters& parameters)
                    :
                    common::Model<Time>(name),
                    common::Simulator<Time>(name),
                    sss::Model<Time>(name),
                    _dynamics(name, parameters),
                    _time_step(time_step) { }

            ~Simulator() { }

            virtual bool is_atomic() const { return common::Simulator<Time>::is_atomic(); }

            virtual void restore(const common::context::State<Time>& state)
            {
                common::Simulator<Time>::restore(state);
                _dynamics.restore(state);
            }

            virtual void save(context::State<Time>& state) const
            {
                common::Simulator<Time>::save(state);
                _dynamics.save(state);
            }

            virtual std::string to_string(int level) const { return common::Simulator<Time>::to_string(level); }

            typename Time::type start(const typename Time::type& t)
            {

#ifdef WITH_TRACE
                common::Trace<Time>::trace()
                        << common::TraceElement<Time>(type::get_name(), t,
                                common::FunctionType::I_MESSAGE)
                        << ": BEFORE => " << "tl = " << type::_tl << " ; tn = "
                        << type::_tn;
                common::Trace<Time>::trace().flush();
#endif

                _dynamics.start(t);
                type::_tl = t;
                type::_tn = t;

#ifdef WITH_TRACE
                common::Trace<Time>::trace()
                        << common::TraceElement<Time>(type::get_name(), t,
                                common::FunctionType::I_MESSAGE)
                        << ": AFTER => " << "tl = " << type::_tl << " ; tn = "
                        << type::_tn;
                common::Trace<Time>::trace().flush();
#endif

                return type::_tn;
            }

            void observation(std::ostream& file) const
            {
                _dynamics.observation(file);
            }

            void output(const typename Time::type& t)
            {

#ifdef WITH_TRACE
                common::Trace<Time>::trace()
                        << common::TraceElement<Time>(type::get_name(), t,
                                common::FunctionType::OUTPUT) << ": BEFORE";
                common::Trace<Time>::trace().flush();
#endif

                if (t == type::_tn) {
                    common::Bag<Time> bag = _dynamics.lambda(t);

                    if (not bag.empty()) {
                        for (auto& event : bag) {
                            event.set_model(this);
                        }
                        dynamic_cast < common::Coordinator<Time>* >(
                                type::get_parent())->dispatch_events(bag, t);
                    }
                }

#ifdef WITH_TRACE
                common::Trace<Time>::trace()
                        << common::TraceElement<Time>(type::get_name(), t,
                                common::FunctionType::OUTPUT) << ": AFTER";
                common::Trace<Time>::trace().flush();
#endif

            }

            void post_event(const typename Time::type& t,
                    const common::ExternalEvent<Time>& event)
            {

#ifndef WITH_TRACE
                (void)t;
#endif

#ifdef WITH_TRACE
                common::Trace<Time>::trace()
                        << common::TraceElement<Time>(type::get_name(), t,
                                common::FunctionType::POST_EVENT)
                        << ": BEFORE => " << event.to_string();
                common::Trace<Time>::trace().flush();
#endif

                type::add_event(event);

#ifdef WITH_TRACE
                common::Trace<Time>::trace()
                        << common::TraceElement<Time>(type::get_name(), t,
                                common::FunctionType::POST_EVENT)
                        << ": AFTER => " << event.to_string();
                common::Trace<Time>::trace().flush();
#endif

            }

            typename Time::type transition(const typename Time::type& t)
            {

#ifdef WITH_TRACE
                common::Trace<Time>::trace()
                        << common::TraceElement<Time>(type::get_name(), t,
                                common::FunctionType::S_MESSAGE)
                        << ": BEFORE => " << "tl = " << type::_tl << " ; tn = "
                        << type::_tn;
                common::Trace<Time>::trace().flush();
#endif

                assert(t == type::_tn);

                if (type::is_marked()) {
                    if (type::is_send()) {
                        type::_tl = t;
                        type::_tn = t + _time_step;
                    }
                } else {
                    _dynamics.transition(type::get_bag(), t);
                    type::clear_bag();
                }

#ifdef WITH_TRACE
                common::Trace<Time>::trace()
                        << common::TraceElement<Time>(type::get_name(), t,
                                common::FunctionType::S_MESSAGE)
                        << ": AFTER => " << "tl = " << type::_tl << " ; tn = "
                        << type::_tn;
                common::Trace<Time>::trace().flush();
#endif

                return type::_tn;
            }

            virtual void update_buffer(typename Time::type time) { _dynamics.update_buffer(time); }

        private :
            Dynamics _dynamics;
            typename Time::type _time_step;
        };

    }
} // namespace artis sss

#endif