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92828acab0
Now sleeping much longer, up to next scheduled work, instead of often wake ups to check if the work needs to be performed. This improves CPU usage in idle.
70 lines
1.5 KiB
C++
70 lines
1.5 KiB
C++
/*
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* This file is part of nzbget. See <http://nzbget.net>.
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*
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* Copyright (C) 2015-2019 Andrey Prygunkov <hugbug@users.sourceforge.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef SERVICE_H
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#define SERVICE_H
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#include "Thread.h"
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class Service
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{
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public:
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Service();
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static const int Now = 0;
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static const int Sleep = -1;
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protected:
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virtual int ServiceInterval() = 0;
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virtual void ServiceWork() = 0;
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void WakeUp();
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private:
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time_t m_lastWork = 0;
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friend class ServiceCoordinator;
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};
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class ServiceCoordinator : public Thread
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{
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public:
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typedef std::vector<Service*> ServiceList;
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ServiceCoordinator();
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virtual ~ServiceCoordinator();
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virtual void Run();
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virtual void Stop();
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private:
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ServiceList m_services;
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Mutex m_waitMutex;
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ConditionVar m_waitCond;
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bool m_workenUp = false;
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void RegisterService(Service* service);
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void WakeUp();
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friend class Service;
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};
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extern ServiceCoordinator* g_ServiceCoordinator;
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#endif
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