93 lines
2.7 KiB
C++
93 lines
2.7 KiB
C++
/***************************************************************************
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* Copyright (C) 04/2006 by Olaf Rempel *
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* razzor@kopf-tisch.de *
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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, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#include <time.h>
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#include "timerservice.h"
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// TODO: how to deregister TimerEvents?
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Timer::Timer(Event* event, unsigned int timeval)
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: next(0), event(event), timeval(timeval)
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{
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}
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Timer::~Timer()
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{
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delete event;
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}
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TimerService::~TimerService()
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{
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Timer* search = firstTimer;
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while (search != NULL) {
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Timer* next = search->next;
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delete search;
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search = next;
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}
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}
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void TimerService::addTimer(Timer* te, bool trigger)
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{
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te->timeout = time(NULL) + ((!trigger) ? te->timeval : 0);
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Timer** search = &firstTimer;
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while ((*search) != NULL && (*search)->timeout <= te->timeout)
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search = &((*search)->next);
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te->next = (*search);
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(*search) = te;
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}
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void TimerService::checkTimeouts()
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{
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long now = time(NULL);
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Timer* search = firstTimer;
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while (search != NULL && search->timeout <= now) {
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search->event->execute();
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firstTimer = search->next;
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addTimer(search, false);
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search = firstTimer;
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}
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}
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TimerService* TimerService::getInstance()
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{
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static TimerService ts;
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return &ts;
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}
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void TimerService::registerTimer(Timer* te)
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{
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TimerService* ts = getInstance();
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AutoMutex am(ts->mutex);
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ts->addTimer(te, true);
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}
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void TimerService::checkTimers()
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{
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TimerService* ts = getInstance();
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AutoMutex am(ts->mutex);
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ts->checkTimeouts();
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}
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