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<?php |
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namespace Glooby\TaskBundle\Queue; |
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use Doctrine\Common\Persistence\ManagerRegistry; |
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use Glooby\TaskBundle\Model\QueuedTaskInterface; |
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use Symfony\Component\Console\Output\OutputInterface; |
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use Symfony\Component\Process\Process; |
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/** |
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* @author Emil Kilhage |
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*/ |
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class QueueProcessor |
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{ |
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/** |
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* @var int |
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*/ |
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private $limit; |
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/** |
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* @var bool |
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*/ |
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private $debug; |
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/** |
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* @var Process[] |
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*/ |
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private $processes = []; |
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/** |
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* @var OutputInterface |
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*/ |
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protected $output; |
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/** |
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* @var ManagerRegistry |
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*/ |
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protected $doctrine; |
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/** |
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* @param ManagerRegistry $doctrine |
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*/ |
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public function setDoctrine($doctrine) |
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{ |
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$this->doctrine = $doctrine; |
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} |
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/** |
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* @param OutputInterface $output |
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*/ |
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public function setOutput(OutputInterface $output) |
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{ |
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$this->output = $output; |
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} |
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/** |
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* @param boolean $debug |
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*/ |
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public function setDebug($debug) |
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{ |
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$this->debug = $debug; |
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} |
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/** |
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* @param int $limit |
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*/ |
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public function setLimit($limit) |
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{ |
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$this->limit = $limit; |
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} |
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/** |
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* @throws \Exception |
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*/ |
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public function process() |
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{ |
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$queueRepo = $this->doctrine->getManager() |
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->getRepository('GloobyTaskBundle:QueuedTask'); |
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foreach ($queueRepo->findPending($this->limit) as $queuedTask) { |
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$this->start($queuedTask); |
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} |
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$this->wait(); |
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} |
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/** |
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* @return string |
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*/ |
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private function getProcessParams() |
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{ |
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$params = []; |
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if (!$this->debug) { |
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$params[] = '--env=prod'; |
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} |
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return implode(' ', $params); |
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} |
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/** |
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* |
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*/ |
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private function wait() |
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{ |
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while (count($this->processes) > 0) { |
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sleep(1); |
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foreach ($this->processes as $i => $process) { |
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if (!$process->isRunning()) { |
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unset($this->processes[$i]); |
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echo $process->getOutput(); |
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} |
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} |
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} |
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} |
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/** |
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* @param QueuedTaskInterface $queuedTask |
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*/ |
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private function start(QueuedTaskInterface $queuedTask) |
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{ |
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$command = $this->createCommand($queuedTask); |
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$process = $this->createProcess($command); |
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$this->processes[] = $process; |
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if (null !== $this->output) { |
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$this->output->writeln("$command"); |
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} |
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} |
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/** |
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* @param string $command |
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* @return Process |
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*/ |
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private function createProcess($command) |
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{ |
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$that = $this; |
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$nl = false; |
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$process = new Process($command); |
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$process->setTimeout(0); |
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$process->start(function ($type, $data) use ($that, &$nl) { |
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if (null !== $that->output) { |
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if ($nl) { |
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$nl = false; |
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$that->output->write("\n"); |
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} |
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$that->output->write($data); |
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} |
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}); |
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return $process; |
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} |
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/** |
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* @param QueuedTaskInterface $queuedTask |
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* @return string |
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*/ |
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private function createCommand(QueuedTaskInterface $queuedTask) |
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{ |
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$command = sprintf( |
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'php -d memory_limit=%s app/console task:run --id=%s %s', |
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ini_get('memory_limit'), |
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$queuedTask->getId(), |
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$this->getProcessParams() |
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); |
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return $command; |
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} |
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} |
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glooby /
task-bundle
