/**
* @file kernel/pdevs/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) 2013-2022 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 .
*/
#ifndef PDEVS_SIMULATOR
#define PDEVS_SIMULATOR
#include
#include
#include
#include
#include
#include
namespace artis::pdevs {
template
class Simulator : public common::Simulator {
typedef Simulator type;
public :
Simulator(const std::string &name, const Parameters ¶meters)
:
common::Model(name),
common::Simulator(name),
_dynamics(name, Context(parameters, this)) {}
~Simulator() {}
const Dynamics &dynamics() const { return _dynamics; }
virtual void restore(const common::context::State &state) {
common::Simulator::restore(state);
_dynamics.restore(state);
}
virtual void save(common::context::State &state) const {
common::Simulator::save(state);
_dynamics.save(state);
}
virtual std::string to_string(int level) const {
std::ostringstream ss;
ss << common::String::make_spaces(level * 2) << "p-devs simulator \""
<< type::get_name() << "\"" << std::endl;
return ss.str();
}
virtual void finish(const typename Time::type &t) {
#ifndef WITH_TRACE
(void) t;
#else
common::Trace::trace()
<< common::TraceElement(type::get_name(), t,
common::FormalismType::PDEVS,
common::FunctionType::FINISH,
common::LevelType::FORMALISM);
common::Trace::trace().flush();
#endif
}
typename Time::type start(const typename Time::type &t) {
// When i-message(t)
// tl = t - e
// tn = tl + ta(s)
// End
#ifdef WITH_TRACE
common::Trace::trace()
<< common::TraceElement(type::get_name(), t,
common::FormalismType::PDEVS,
common::FunctionType::I_MESSAGE,
common::LevelType::FORMALISM)
<< ": BEFORE => " << "tl = " << type::_tl << " ; tn = "
<< type::_tn;
common::Trace::trace().flush();
#endif
_dynamics.start(t);
type::_tl = t;
typename Time::type duration = _dynamics.ta(t);
assert(duration >= 0);
type::_tn = type::_tl + duration;
#ifdef WITH_TRACE
common::Trace::trace()
<< common::TraceElement(type::get_name(), t,
common::FormalismType::PDEVS,
common::FunctionType::I_MESSAGE,
common::LevelType::FORMALISM)
<< ": AFTER => " << "tl = " << type::_tl << " ; tn = "
<< type::_tn;
common::Trace::trace().flush();
#endif
return type::_tn;
}
common::event::Value observe(const typename Time::type &t, unsigned int index) const {
return _dynamics.observe(t, index);
}
virtual std::string observable_name(unsigned int observable_index) const {
return _dynamics.observable_name(observable_index);
}
void output(const typename Time::type &t) {
// When *-message(t)
// if (t = tn) then
// y = lambda(s)
// send y-message(y,t) to parent
// End
#ifdef WITH_TRACE
common::Trace::trace()
<< common::TraceElement(type::get_name(), t,
common::FormalismType::PDEVS,
common::FunctionType::OUTPUT,
common::LevelType::FORMALISM)
<< ": BEFORE";
common::Trace::trace().flush();
#endif
if (t == type::_tn) {
common::event::Bag bag = _dynamics.lambda(t);
if (not bag.empty()) {
for (auto &event: bag) {
event.set_model(this);
}
dynamic_cast < common::Coordinator * >(
type::get_parent())->dispatch_events(bag, t);
}
}
#ifdef WITH_TRACE
common::Trace::trace()
<< common::TraceElement(type::get_name(), t,
common::FormalismType::PDEVS,
common::FunctionType::OUTPUT,
common::LevelType::FORMALISM)
<< ": AFTER";
common::Trace::trace().flush();
#endif
}
void post_event(const typename Time::type &t, const common::event::ExternalEvent &event) {
#ifndef WITH_TRACE
(void) t;
#else
common::Trace::trace()
<< common::TraceElement(type::get_name(), t,
common::FormalismType::PDEVS,
common::FunctionType::POST_EVENT,
common::LevelType::FORMALISM)
<< ": BEFORE => " << event.to_string();
common::Trace::trace().flush();
#endif
type::add_event(event);
#ifdef WITH_TRACE
common::Trace::trace()
<< common::TraceElement(type::get_name(), t,
common::FormalismType::PDEVS,
common::FunctionType::POST_EVENT,
common::LevelType::FORMALISM)
<< ": AFTER => " << event.to_string();
common::Trace::trace().flush();
#endif
}
typename Time::type transition(const typename Time::type &t) {
// When x-message(t)
// if (x is empty and t = tn) then
// s = delta_int(s)
// else if (x isn't empty and t = tn)
// s = delta_conf(s,x)
// else if (x isn't empty and t < tn)
// e = t - tl
// s = delta_ext(s,e,x)
// tn = t + ta(s)
// tl = t
// End
#ifdef WITH_TRACE
common::Trace::trace()
<< common::TraceElement(type::get_name(), t,
common::FormalismType::PDEVS,
common::FunctionType::S_MESSAGE,
common::LevelType::FORMALISM)
<< ": BEFORE => " << "tl = " << type::_tl << " ; tn = "
<< type::_tn;
common::Trace::trace().flush();
#endif
assert(type::_tl <= t and t <= type::_tn);
if (t == type::_tn) {
if (type::event_number() == 0) {
_dynamics.dint(t);
} else {
_dynamics.dconf(t, t - type::_tl, type::get_bag());
}
} else {
_dynamics.dext(t, t - type::_tl, type::get_bag());
}
type::_tl = t;
typename Time::type duration = _dynamics.ta(t);
assert(duration >= 0);
type::_tn = type::_tl + duration;
type::clear_bag();
#ifdef WITH_TRACE
common::Trace::trace()
<< common::TraceElement(type::get_name(), t,
common::FormalismType::PDEVS,
common::FunctionType::S_MESSAGE,
common::LevelType::FORMALISM)
<< ": AFTER => " << "tl = " << type::_tl << " ; tn = " << type::_tn;
common::Trace::trace().flush();
#endif
return type::_tn;
}
typename Time::type lookahead(const typename Time::type &t) const {
return _dynamics.lookahead(t);
}
private :
Dynamics _dynamics;
};
} // namespace artis pdevs
#endif