72 lines
1.2 KiB
C++
72 lines
1.2 KiB
C++
#include <time.h>
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#include "timerservice.h"
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Timer::Timer(Command* cmd, unsigned int timeval)
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: next(0), cmd(cmd), 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 cmd;
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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->cmd->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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