TimerEventPublisher.h

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/*
 * SNode.C - a slim toolkit for network communication
 * Copyright (C) Volker Christian <me@vchrist.at>
 *               2020, 2021, 2022, 2023, 2024, 2025
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef CORE_TIMEREVENTPUBLISHER_H
#define CORE_TIMEREVENTPUBLISHER_H
 
namespace core {
    class TimerEventReceiver;
} // namespace core
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS
 
#include "utils/Timeval.h"
 
#include <list>
#include <set>
 
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
 
namespace core {
 
    class TimerEventPublisher {
    public:
        TimerEventPublisher() = default;
 
        utils::Timeval getNextTimeout(const utils::Timeval& currentTime);
 
        void spanActiveEvents(const utils::Timeval& currentTime);
        void unobserveDisableEvents();
 
        void remove(TimerEventReceiver* timer);
 
        void erase(TimerEventReceiver* timer);
        void insert(TimerEventReceiver* timer);
 
        bool empty();
 
        void stop();
 
    private:
        class timernode_lt {
        public:
            bool operator()(const TimerEventReceiver* t1, const TimerEventReceiver* t2) const;
        };
 
        std::set<TimerEventReceiver*, timernode_lt> timerList;
        std::list<TimerEventReceiver*> removedList;
    };
 
} // namespace core
 
#endif // CORE_TIMEREVENTPUBLISHER_H