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/*
* Copyright (c) 2014 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
#include <Sluift/Watchdog.h>
#include <Sluift/globals.h>
static const int INTERVAL_MS = 500;
using namespace Swift;
Watchdog::Watchdog(int timeout, TimerFactory* timerFactory) :
remainingTime(timeout),
timerFactory(timerFactory),
timedOut(false) {
Sluift::globals.interruptRequested = 0;
int nextTimeout = remainingTime >= 0 ? std::min(remainingTime, INTERVAL_MS) : INTERVAL_MS;
timer = timerFactory->createTimer(nextTimeout);
timer->onTick.connect(boost::bind(&Watchdog::handleTimerTick, this));
remainingTime -= nextTimeout;
timer->start();
}
Watchdog::~Watchdog() {
if (timer) {
timer->stop();
}
}
void Watchdog::handleTimerTick() {
if (Sluift::globals.interruptRequested || remainingTime == 0) {
timedOut = true;
}
else {
int nextTimeout = remainingTime >= 0 ? std::min(remainingTime, INTERVAL_MS) : INTERVAL_MS;
if (nextTimeout != INTERVAL_MS) {
timer->onTick.disconnect(boost::bind(&Watchdog::handleTimerTick, this));
timer = timerFactory->createTimer(nextTimeout);
timer->onTick.connect(boost::bind(&Watchdog::handleTimerTick, this));
}
remainingTime -= nextTimeout;
timer->start();
}
}
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