/**
* @override
* @inheritDoc
*/
public function start()
{
if ($this->flowController->isRunning) {
return;
}
// TODO KRF-107
$this->addPeriodicTimer(1, function () {
usleep(1);
});
$this->flowController->isRunning = true;
$this->startTickQueue->tick();
while ($this->flowController->isRunning) {
$this->nextTickQueue->tick();
$this->futureTickQueue->tick();
$this->timers->tick();
// Next-tick or future-tick queues have pending callbacks ...
if (!$this->flowController->isRunning || !$this->nextTickQueue->isEmpty() || !$this->futureTickQueue->isEmpty()) {
$timeout = 0;
} else {
if ($scheduledAt = $this->timers->getFirst()) {
$timeout = $scheduledAt - $this->timers->getTime();
$timeout = $timeout < 0 ? 0 : $timeout * self::MICROSECONDS_PER_SECOND;
} else {
if ($this->readStreams || $this->writeStreams) {
$timeout = null;
} else {
break;
}
}
}
$this->waitForStreamActivity($timeout);
}
}
