public static function makeQueueManager(Backend $backend)
{
$settings = self::getSettings();
$lock = self::makeLock($backend);
$manager = new Manager($backend, $lock);
$manager->setNumberOfAvailableQueues($settings->numQueueWorkers->getValue());
$manager->setNumberOfRequestsToProcessAtSameTime($settings->numRequestsToProcess->getValue());
return $manager;
}
private function processQueue(Queue\Manager $queueManager)
{
Common::printDebug('We are going to process the queue');
set_time_limit(0);
try {
$processor = new Processor($queueManager);
$processor->process();
} catch (Exception $e) {
Common::printDebug('Failed to process queue: ' . $e->getMessage());
// TODO how could we report errors better as the response is already sent? also monitoring ...
}
$queueManager->unlock();
}
/**
* @param RequestSet $requestSet
* @return bool true if we still have the lock and if expire was set successfully
*/
private function extendLockExpireToMakeSureWeCanProcessARequestSet(RequestSet $requestSet)
{
// 2 seconds per tracking request should give it enough time to process it
$ttl = $requestSet->getNumberOfRequests() * 2;
$ttl = max($ttl, 20);
// lock for at least 20 seconds
return $this->queueManager->expireLock($ttl);
}
public function test_process_ShouldNotDirectlyProcessQueue_IfAlreadyLocked()
{
Queue\Factory::getSettings()->numQueueWorkers->setValue(1);
$this->handler->enableProcessingInTrackerMode();
$this->queue->setNumberOfRequestsToProcessAtSameTime(1);
// there is only one worker, so make sure that queue is locked
$lock = new Queue\Lock($this->backend);
$lock->acquireLock(0);
$this->assertSame(0, $this->queue->getNumberOfRequestSetsInAllQueues());
$this->processDummyRequests();
$this->assertSame(1, $this->queue->getNumberOfRequestSetsInAllQueues());
$this->processDummyRequests();
$this->assertSame(2, $this->queue->getNumberOfRequestSetsInAllQueues());
$this->queue->unlock();
}
public function getQueueIdForVisitor($visitorId)
{
return parent::getQueueIdForVisitor($visitorId);
}
private function addRequestSetsToQueue($numRequestSets)
{
for ($index = 1; $index <= $numRequestSets; $index++) {
$this->queue->addRequestSetToQueues($this->buildRequestSet(1));
}
}