/**
*
*/
public function run()
{
$this->shutdown = false;
$this->host->start();
$this->logger->info('Host: Started host with ID: ' . $this->host->getId());
$this->logger->info(sprintf('Long poll: %sµs. Short poll: %sµs. Queue failure sleep: %ss', $this->sleepIntervalMicroSecsLongPoll, $this->sleepIntervalMicroSecsShortPoll, $this->sleepIntervalSecsFailed));
while (1) {
$sleep = count($this->workers) === 0 ? $this->sleepIntervalMicroSecsLongPoll : $this->sleepIntervalMicroSecsShortPoll;
$this->updateHostStatus();
$queueSets = $this->host->getQueueSets();
if (!$this->pause && !$this->shutdown) {
if ($this->checkForJobs($queueSets)) {
$sleep = 0;
} elseif ($this->testing) {
$this->shutdown = count($this->workers) === 0;
}
}
if ($this->shutdown) {
$this->logger->debug("Waiting for " . count($this->workers) . " workers");
if (count($this->workers) === 0) {
// Don't wait for child processes - we know there aren't any
$this->spork->zombieOkay();
break;
}
}
foreach ($this->workers as $id => $worker) {
if (($status = $worker->getExitStatus()) !== false) {
$failed = $status !== 0;
$job = $worker->getJob();
try {
$this->host->failJob($job, new JobIncompleteException('Job was not marked complete within the process'));
$failed = true;
$this->logger->warning("Host: Job [ {$job->getId()} ] was not completed in the forked process which exited with status code: [ {$status} ] and was failed in the parent worker");
} catch (JobAlreadyCompleteException $e) {
}
if ($failed) {
$worker->getQueueSet()->sleepFor($this->sleepIntervalSecsFailed);
$this->logger->error("Host: Job [ {$job->getId()} ] failed, sleeping worker [ {$id} ] for [ {$this->sleepIntervalSecsFailed} ] microseconds");
}
unset($this->workers[$id]);
} elseif ($this->terminate || $this->host->shouldBeKilled($worker->getJob()->getId())) {
$worker->terminate();
}
}
$this->logger->debug("Sleeping for {$sleep} µs");
usleep($sleep);
}
$this->logger->info('Host: Stopped');
$this->host->stop();
}
/**
* Sends shutdown to child instances, which run the worker(s)
*/
protected function shutdownWorkersFromParent()
{
$this->logger->info("Shutting down all workers");
// send initial signal..
foreach ($this->workers as $worker) {
$name = $worker->getName();
if ($this->countRunning($name)) {
/** @var Fork $fork **/
foreach ($this->forks[$name] as $fork) {
$fork->kill($this->shutdownSignal);
}
}
}
// wait for shutdown
$tries = $this->shutdownTimeout * 10;
for ($try = $tries; $try > 0; $try--) {
BuiltIn::doUsleep(100000);
$resisting = 0;
foreach ($this->workers as $worker) {
$name = $worker->getName();
$resisting += $this->countRunning($name);
}
if (!$resisting) {
break;
} elseif ($try % 10 === 0) {
$this->logger->info("{$resisting} resisting worker(s) still remaining - " . $try / 10 . " seconds till slaughter");
}
}
// slaughter survivors
/** @var Fork[] $forks */
foreach ($this->forks as $name => $forks) {
foreach ($forks as $fork) {
if ($this->reallyRunning($fork)) {
$this->event->dispatch(Event::EVENT_WORKER_KILL, new Event($this->workers[$name]), array($fork));
$fork->kill(SIGKILL);
try {
$fork->wait(true);
} catch (ProcessControlException $e) {
// well, it's a SIG KILL..
}
}
}
}
$this->manager->zombieOkay(true);
}
