/** * Flushes all queue changes to the server. * * @param \SplQueue $queue */ public function flush(\SplQueue $queue) { if ($this->locked) { $this->memcache->delete('queue.manager'); $this->memcache->set('queue.manager', serialize($queue)); $this->locked = false; $this->memcache->delete('queue.manager.lock'); } else { $this->eventDispatcher->dispatch('queue.manager.flushed', new ManagerFlushedEvent(ManagerFlushedEvent::STATUS_FLUSH_FAILED_NOLOCK)); } }
/** * Registers all event listeners related to the manager. * * @param bool $verbose */ public function registerListeners($verbose = false) { $output = $this->output; $this->eventDispatcher->addListener('queue.process_queued', function (ProcessQueuedEvent $event) use($verbose, &$output) { $output->writeln('<info>Process \'' . $event->getId() . '\' was added to the queue.</info>'); }); $this->eventDispatcher->addListener('queue.process_failed', function (ProcessFinishedEvent $event) use(&$output) { $status = [2 => 'TIMEOUT', 3 => 'ERROR IN RESPONSE']; $this->output->writeln('<error>Process \'' . $event->getName() . '\' was killed with an error.</error>'); $this->output->writeln('<error>Status: ' . $status[$event->getStatus()] . '</error>'); $this->memcache->delete('queue.process.processlist.' . $event->getName()); }); $this->eventDispatcher->addListener('queue.manager.retrieved', function (ManagerRetrievedEvent $event) use($verbose, &$output) { $errors = [ManagerRetrievedEvent::RETRIEVAL_STATUS_FAILED => 'Failed to retrieve the manager. Key not found.']; $warnings = [ManagerRetrievedEvent::RETRIEVAL_STATUS_FAILED_LOCKED => 'Attempted to retrieve the manager, but it was locked. Retrying in a few moments.']; if (isset($errors[$event->getStatus()])) { $this->output->writeln('<error>' . $errors[$event->getStatus()] . '</error>'); } if (isset($warnings[$event->getStatus()]) && $verbose) { $this->output->writeln('<bg=yellow>' . $warnings[$event->getStatus()] . '</>'); } }); $this->eventDispatcher->addListener('queue.manager.flushed', function (ManagerFlushedEvent $event) use($verbose, &$output) { switch ($event->getStatus()) { case ManagerFlushedEvent::STATUS_FLUSH_FAILED_NOLOCK: $output->writeln('<error>Could not flush the queue to the queue server. ' . 'Reason: the queue manager is locked.</error>'); break; case ManagerFlushedEvent::STATUS_FLUSH_FAILED: $output->writeln('<error>Could not flush the queue to the queue server. ' . 'Reason: the server is unreachable.'); break; case ManagerRetrievedEvent::RETRIEVAL_STATUS_SUCCESS: if ($verbose) { $output->writeln('<info>The queue manager has been flushed.</info>'); } break; } }); $this->eventDispatcher->addListener('queue.process_ended', function (ProcessFinishedEvent $event) use($verbose, &$output) { $output->writeln('<info>Process \'' . $event->getName() . '\' has finished.</info>'); if ($verbose && !empty($event->getOutput())) { $output->writeln('Output: ' . $event->getOutput()); } $this->memcache->delete('queue.process.processlist.' . $event->getName()); }); $this->eventDispatcher->addListener('queue.process_started', function (ProcessStartedEvent $event) use($verbose, &$output) { $output->writeln('<info>Process \'' . $event->getName() . '\' has just been dispatched.</info>'); }); }