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<?php |
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namespace Dtc\QueueBundle\Model; |
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use Dtc\QueueBundle\EventDispatcher\Event; |
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use Dtc\QueueBundle\EventDispatcher\EventDispatcher; |
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use Dtc\QueueBundle\Exception\DuplicateWorkerException; |
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use Psr\Log\LoggerInterface; |
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class WorkerManager |
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{ |
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protected $workers; |
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protected $jobManager; |
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/** @var LoggerInterface */ |
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protected $logger; |
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protected $eventDispatcher; |
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protected $logFunc; |
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public function __construct(JobManagerInterface $jobManager, EventDispatcher $eventDispatcher) |
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{ |
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$this->workers = array(); |
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$this->jobManager = $jobManager; |
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$this->eventDispatcher = $eventDispatcher; |
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} |
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public function setLogger(LoggerInterface $logger) |
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{ |
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$this->logger = $logger; |
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} |
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public function addWorker(Worker $worker) |
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{ |
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if ($this->logger) { |
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$this->logger->debug(__METHOD__." - Added worker: {$worker->getName()}"); |
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} |
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if (isset($this->workers[$worker->getName()])) { |
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throw new DuplicateWorkerException("{$worker->getName()} already exists in worker manager"); |
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} |
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$this->workers[$worker->getName()] = $worker; |
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} |
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public function getWorker($name) |
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{ |
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if (isset($this->workers[$name])) { |
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return $this->workers[$name]; |
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} |
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return null; |
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} |
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public function getWorkers() |
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{ |
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return $this->workers; |
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} |
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public function setLoggingFunc(callable $callable) |
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{ |
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$this->logFunc = $callable; |
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} |
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public function log($level, $msg, array $context = []) |
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{ |
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if ($this->logFunc) { |
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call_user_func_array($this->logFunc, [$level, $msg, $context]); |
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return; |
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} |
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if ($this->logger) { |
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$this->logger->$level($msg, $context); |
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return; |
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} |
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} |
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/** |
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* @param null $workerName |
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* @param null $methodName |
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* @param bool $prioritize |
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* |
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* @return null|Job |
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*/ |
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public function run($workerName = null, $methodName = null, $prioritize = true, $runId = null) |
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{ |
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$job = $this->jobManager->getJob($workerName, $methodName, $prioritize, $runId); |
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if (!$job) { |
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return null; // no job to run |
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} |
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return $this->runJob($job); |
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} |
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public function runJob(Job $job) |
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{ |
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$event = new Event($job); |
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$this->eventDispatcher->dispatch(Event::PRE_JOB, $event); |
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$start = microtime(true); |
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$handleException = function (\Exception $exception) use ($job) { |
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/** @var \Exception $exception */ |
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$exceptionMessage = get_class($exception)."\n".$exception->getCode().' - '.$exception->getMessage()."\n".$exception->getTraceAsString(); |
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$this->log('debug', "Failed: {$job->getClassName()}->{$job->getMethod()}"); |
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$job->setStatus(BaseJob::STATUS_ERROR); |
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if ($job instanceof RetryableJob) { |
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$job->setErrorCount($job->getErrorCount() + 1); |
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if (null !== ($maxError = $job->getMaxError()) && $job->getErrorCount() >= $maxError) { |
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$job->setStatus(RetryableJob::STATUS_MAX_ERROR); |
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} |
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} |
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$job->setMessage($exceptionMessage); |
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}; |
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try { |
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$worker = $this->getWorker($job->getWorkerName()); |
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$this->log('debug', "Start: {$job->getClassName()}->{$job->getMethod()}", $job->getArgs()); |
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$job->setStartedAt(new \DateTime()); |
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call_user_func_array(array($worker, $job->getMethod()), $job->getArgs()); |
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// Job finshed successfuly... do we remove the job from database? |
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$job->setStatus(BaseJob::STATUS_SUCCESS); |
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$job->setMessage(null); |
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} catch (\Throwable $exception) { |
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$handleException($exception); |
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} catch (\Exception $exception) { |
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$handleException($exception); |
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} |
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// save Job history |
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$elapsed = microtime(true) - $start; |
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$job->setFinishedAt(new \DateTime()); |
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$job->setElapsed($elapsed); |
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$this->log('debug', "Finished: {$job->getClassName()}->{$job->getMethod()} in {$elapsed} seconds"); |
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$this->log('debug', "Save job history: {$job->getId()}"); |
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$this->jobManager->saveHistory($job); |
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$this->eventDispatcher->dispatch(Event::POST_JOB, $event); |
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return $job; |
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} |
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} |
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mmucklo /
DtcQueueBundle
