/**
*/
private function onTick()
{
try {
$this->lastResult = $this->task->__invoke($this);
++$this->iterations;
if ($this->timer->isPeriodic()) {
$this->deferred()->notify($this->lastResult);
if ($this->maxIterations() !== null && $this->iterations() >= $this->maxIterations()) {
$this->cancel();
}
} else {
$this->deferred()->resolve($this->lastResult);
}
} catch (\Exception $e) {
$this->deferred()->reject($e);
$this->timer->cancel();
}
}
/**
* Schedule a timer for execution.
*
* @param TimerInterface $timer
*/
private function scheduleTimer(TimerInterface $timer)
{
$flags = Event::TIMEOUT;
if ($timer->isPeriodic()) {
$flags |= Event::PERSIST;
}
$event = new Event($this->eventBase, -1, $flags, $this->timerCallback, $timer);
$this->timerEvents[$timer] = $event;
$event->add($timer->getInterval());
}
private function setupTimer(TimerInterface $timer)
{
$dummyCallback = function () {
};
$interval = $timer->getInterval();
if ($timer->isPeriodic()) {
$libevTimer = new \libev\TimerEvent($dummyCallback, $interval, $interval);
} else {
$libevTimer = new \libev\TimerEvent($dummyCallback, $interval);
}
$libevTimer->setCallback(function () use($timer) {
call_user_func($timer->getCallback(), $timer);
if (!$timer->isPeriodic()) {
$timer->cancel();
}
});
$this->timers->attach($timer, $libevTimer);
$this->loop->add($libevTimer);
return $timer;
}
/**
* @return bool
*/
public function isPeriodic()
{
return $this->timer->isPeriodic();
}
