/**
* Stops this Worker.
*
* @param integer $signal [OPTIONAL] Contains the signal in the case of a PCNTL signal.
*/
public function stop($signal = null)
{
if (!$this->running) {
return;
}
if (null !== $signal) {
$this->getLogger()->info('Stop called because of signal #' . $signal . '. Current state: ' . $this->worker->getState() . '.');
} else {
$this->getLogger()->info('Stop called: ' . $this->worker->getState() . '.');
}
$this->running = false;
$this->worker->shutdown();
}
/**
* Performs a heartbeat with the Worker Handler.
*/
public function heartbeat()
{
$state = $this->worker->getState();
if (!in_array($state, array(Worker::BUSY, Worker::READY))) {
return;
}
// Detect manager crash.
$timeout = 2500;
if (!$this->worker->isExpired($timeout)) {
// Worker is pretty active no heartbeat required.
return;
}
if ($this->isWorkerHandlerReady()) {
// Send a heartbeat.
$this->sendToWorkerHandler(new Protocol\Heartbeat());
return;
}
$expiry = 5000 + $this->delay;
if (!$this->worker->isExpired($expiry)) {
return;
}
// Expired, manager already destroyed this instance.
$this->worker->setState(Worker::INVALID);
}
