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<?php |
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namespace Wandu\Q; |
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use Psr\Container\ContainerInterface; |
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use Psr\Log\LoggerInterface; |
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use Wandu\Q\Exception\WorkerStopException; |
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class Worker |
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{ |
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/** @var \Wandu\Q\Queue */ |
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protected $queue; |
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/** @var \Psr\Container\ContainerInterface */ |
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protected $container; |
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/** @var \Psr\Log\LoggerInterface */ |
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protected $logger; |
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/** @var bool */ |
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protected $running = false; |
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public function __construct(Queue $queue, ContainerInterface $container, LoggerInterface $logger = null) |
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{ |
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$this->queue = $queue; |
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$this->container = $container; |
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$this->logger = $logger; |
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} |
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/** |
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* @return void |
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*/ |
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public function flush() |
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{ |
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$this->queue->flush(); |
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} |
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/** |
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* @return void |
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*/ |
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public function stop() |
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{ |
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if ($this->logger) { |
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$this->logger->info("stop by stop method."); |
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} |
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$this->running = false; |
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} |
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/** |
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* @param string $class |
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* @param string $method |
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* @param array $arguments |
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*/ |
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public function work($class, $method, $arguments = []) |
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{ |
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$this->queue->send([ |
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'class' => $class, |
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'method' => $method, |
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'arguments' => $arguments, |
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]); |
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} |
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/** |
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* @param int $tick |
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*/ |
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public function listen($tick = 200000) |
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{ |
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$this->running = true; |
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$signalEnabled = false; |
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if (function_exists('pcntl_signal') && function_exists('pcntl_signal_dispatch')) { |
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pcntl_signal(SIGINT, [$this, 'stop']); |
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pcntl_signal(SIGTERM, [$this, 'stop']); |
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pcntl_signal(SIGHUP, [$this, 'stop']); |
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$signalEnabled = true; |
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} elseif ($this->logger) { |
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$this->logger->info('if use pcntl_*, work more safety.'); |
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} |
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try { |
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while ($this->running) { |
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if ($job = $this->queue->receive()) { |
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$result = $job->read(); |
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call_user_func_array([ |
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$this->container->get($result['class']), |
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$result['method'] |
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], $result['arguments'] ?? []); |
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if ($this->logger) { |
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$this->logger->info(sprintf("execute %s@%s", $result['method'], $result['class'])); |
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} |
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$job->delete(); |
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} |
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if ($signalEnabled) { |
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pcntl_signal_dispatch(); |
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} |
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usleep($tick); |
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} |
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} catch (WorkerStopException $e) { |
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if ($this->logger) { |
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$this->logger->info("stop by WorkerStopException."); |
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} |
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} |
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} |
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} |
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Wandu /
Framework
