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<?php |
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namespace dmank\gearman\event\subscriber; |
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use dmank\gearman\event\WorkerEvent; |
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use Psr\Log\LoggerInterface; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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class MaxRuntime implements EventSubscriberInterface |
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{ |
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/** |
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* @var \DateTime |
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*/ |
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private $startTime; |
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/** |
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* @var string Datetime modify string |
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*/ |
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private $maxRunTime; |
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/** |
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* @var LoggerInterface |
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*/ |
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private $logger; |
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public function __construct($maxRuntime = '+2 hours', LoggerInterface $logger = null) |
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{ |
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$this->startTime = new \DateTime(); |
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$this->maxRunTime = $maxRuntime; |
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$this->logger = $logger; |
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} |
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public static function getSubscribedEvents() |
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{ |
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return array( |
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WorkerEvent::EVENT_BEFORE_RUN => array('onBeforeRun'), |
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WorkerEvent::EVENT_AFTER_RUN => array('onAfterRun'), |
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WorkerEvent::EVENT_ON_NO_JOBS => array('onNoJobs'), |
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); |
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} |
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public function onBeforeRun(WorkerEvent $event) |
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{ |
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if (!is_null($this->logger)) { |
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$this->logger->notice( |
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sprintf( |
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'If the max runtime of %s is exceeded, i will stop the worker.', |
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$this->maxRunTime |
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) |
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); |
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} |
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} |
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public function onNoJobs(WorkerEvent $event) |
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{ |
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if ($this->timeIsExceeded()) { |
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$this->informLogger(); |
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$event->getWorkerInstance()->destroyWorker(); |
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} |
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} |
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public function onAfterRun(WorkerEvent $event) |
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{ |
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if ($this->timeIsExceeded()) { |
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$this->informLogger(); |
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$event->getWorkerInstance()->destroyWorker(); |
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} |
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} |
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private function timeIsExceeded() |
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{ |
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/** @var \DateTime $afterTime */ |
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$afterTime = clone $this->startTime; |
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$afterTime->modify($this->maxRunTime); |
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$now = new \DateTime(); |
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return ($now > $afterTime); |
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} |
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private function informLogger() |
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{ |
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if (!is_null($this->logger)) { |
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$this->logger->notice( |
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sprintf( |
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'Max Runtime exceeded. Started at %s, checked last at %s. Maxruntime is %s', |
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$this->startTime->format('d.m.Y H:i:s'), |
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date('d.m.Y H:i:s'), |
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$this->maxRunTime |
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) |
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); |
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} |
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} |
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} |
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dominikmank /
gearman
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.