EventReceiver.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_EVENTRECEIVER_H
#define CORE_EVENTRECEIVER_H
 
#include "core/Event.h"
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS
 
#include <functional>
 
namespace utils {
    class Timeval;
} // namespace utils
 
#include <string>
 
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
 
namespace core {
 
    class EventReceiver {
    public:
        EventReceiver(const std::string& name);
 
        EventReceiver(EventReceiver&) = delete;
        EventReceiver(EventReceiver&&) = delete;
 
        EventReceiver& operator=(EventReceiver&) = delete;
        EventReceiver& operator=(EventReceiver&&) = delete;
 
        virtual void destruct();
 
    protected:
        virtual ~EventReceiver() = default;
 
    public:
        static void atNextTick(const std::function<void(void)>& callBack);
 
        void span();
        void relax();
 
        virtual void onEvent(const utils::Timeval& currentTime) = 0;
 
        const std::string& getName() const;
 
    private:
        Event event;
    };
 
} // namespace core
 
#endif // CORE_EVENTRECEIVER_H