public function process(Tracker $tracker = null)
{
$tracker = $tracker ?: new Tracker();
if (!$tracker->shouldRecordStatistics()) {
return $tracker;
}
$request = new RequestSet();
$request->rememberEnvironment();
$loops = 0;
try {
while ($queue = $this->queueManager->lockNext()) {
if ($loops > $this->numMaxBatchesToProcess) {
Common::printDebug('This worker processed ' . $loops . ' times, stopping now.');
break;
} else {
$loops++;
}
$queuedRequestSets = $queue->getRequestSetsToProcess();
if (!empty($queuedRequestSets)) {
$requestSetsToRetry = $this->processRequestSets($tracker, $queuedRequestSets);
$this->processRequestSets($tracker, $requestSetsToRetry);
$queue->markRequestSetsAsProcessed();
// TODO if markR..() fails, we would process them again later
}
$this->queueManager->unlock();
}
} catch (Exception $e) {
Common::printDebug('Failed to process a request set: ' . $e->getMessage());
$this->queueManager->unlock();
$request->restoreEnvironment();
throw $e;
}
$request->restoreEnvironment();
return $tracker;
}
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();
}
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();
}
