WorkerThread.h

/*
╔══════════════════════════════════════════════════════════════════════════════╗
║                       SIMPLY POWERFUL TOOLKIT (SPTK)                         ║
╟──────────────────────────────────────────────────────────────────────────────╢
║  copyright            © 1999-2022 Alexey Parshin. All rights reserved.       ║
║  email                alexeyp@gmail.com                                      ║
╚══════════════════════════════════════════════════════════════════════════════╝
┌──────────────────────────────────────────────────────────────────────────────┐
│   This library is free software; you can redistribute it and/or modify it    │
│   under the terms of the GNU Library General Public License as published by  │
│   the Free Software Foundation; either version 2 of the License, or (at your │
│   option) any later version.                                                 │
│                                                                              │
│   This library 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 Library   │
│   General Public License for more details.                                   │
│                                                                              │
│   You should have received a copy of the GNU Library General Public License  │
│   along with this library; if not, write to the Free Software Foundation,    │
│   Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.               │
│                                                                              │
│   Please report all bugs and problems to alexeyp@gmail.com.                  │
└──────────────────────────────────────────────────────────────────────────────┘
*/
 
#pragma once
 
#include "ThreadManager.h"
#include <sptk5/threads/Runable.h>
#include <sptk5/threads/SynchronizedQueue.h>
#include <sptk5/threads/Thread.h>
#include <sptk5/threads/ThreadEvent.h>
 
namespace sptk {
 
class SP_EXPORT WorkerThread
    : public Thread
{
public:
    WorkerThread(const SThreadManager& threadManager,
                 SynchronizedQueue<SRunable>& queue,
                 ThreadEvent* threadEvent = nullptr,
                 std::chrono::milliseconds maxIdleTime = std::chrono::seconds(3600));
 
    ~WorkerThread() noexcept override = default;
 
    void execute(const SRunable& task);
 
    void terminate() override;
 
protected:
    void threadFunction() override;
 
private:
    mutable std::mutex m_mutex;
 
    SynchronizedQueue<SRunable>& m_queue;
 
    ThreadEvent* m_threadEvent {nullptr};
 
    std::chrono::milliseconds m_maxIdleSeconds;
 
    SRunable m_currentRunable;
 
    void setRunable(const SRunable& runable);
};
 
} // namespace sptk