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<?php |
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declare(strict_types=1); |
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namespace Tomaj\Hermes\Driver; |
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use Closure; |
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use PhpAmqpLib\Channel\AMQPChannel; |
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use PhpAmqpLib\Connection\AMQPLazyConnection; |
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use PhpAmqpLib\Message\AMQPMessage; |
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use Tomaj\Hermes\Dispatcher; |
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use Tomaj\Hermes\MessageInterface; |
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use Tomaj\Hermes\MessageSerializer; |
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use Tomaj\Hermes\Restart\RestartException; |
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class LazyRabbitMqDriver implements DriverInterface |
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{ |
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use MaxItemsTrait; |
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use RestartTrait; |
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use SerializerAwareTrait; |
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/** @var AMQPLazyConnection */ |
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private $connection; |
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/** @var AMQPChannel */ |
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private $channel; |
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/** @var string */ |
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private $queue; |
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/** @var array */ |
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private $amqpMessageProperties = []; |
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/** @var integer */ |
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private $refreshInterval; |
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/** @var string */ |
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private $consumerTag; |
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/** |
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* @param AMQPLazyConnection $connection |
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* @param string $queue |
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* @param array $amqpMessageProperties |
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* @param int $refreshInterval |
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* @param string $consumerTag |
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*/ |
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public function __construct(AMQPLazyConnection $connection, string $queue, array $amqpMessageProperties = [], int $refreshInterval = 0, string $consumerTag = 'hermes') |
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{ |
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$this->connection = $connection; |
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$this->queue = $queue; |
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$this->amqpMessageProperties = $amqpMessageProperties; |
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$this->refreshInterval = $refreshInterval; |
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$this->consumerTag = $consumerTag; |
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$this->serializer = new MessageSerializer(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function send(MessageInterface $message, int $priority = Dispatcher::PRIORITY_MEDIUM): bool |
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{ |
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$rabbitMessage = new AMQPMessage($this->serializer->serialize($message), $this->amqpMessageProperties); |
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$this->getChannel()->basic_publish($rabbitMessage, '', $this->queue); |
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return true; |
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} |
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public function setupPriorityQueue(string $name, int $priority): void |
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{ |
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throw new \Exception("LazyRabbitMqDriver is not supporting priority queues now"); |
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} |
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/** |
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* {@inheritdoc} |
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* @throws RestartException |
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* @throws \Exception |
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*/ |
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public function wait(Closure $callback, array $priorities = []): void |
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{ |
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while (true) { |
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$this->getChannel()->basic_consume( |
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$this->queue, |
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$this->consumerTag, |
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false, |
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true, |
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false, |
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false, |
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function ($rabbitMessage) use ($callback) { |
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$message = $this->serializer->unserialize($rabbitMessage->body); |
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$callback($message); |
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} |
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); |
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while (count($this->getChannel()->callbacks)) { |
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$this->getChannel()->wait(null, true); |
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$this->checkRestart(); |
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if (!$this->shouldProcessNext()) { |
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break 2; |
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} |
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if ($this->refreshInterval) { |
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sleep($this->refreshInterval); |
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} |
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} |
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} |
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$this->getChannel()->close(); |
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$this->connection->close(); |
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} |
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private function getChannel(): AMQPChannel |
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{ |
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if ($this->channel !== null) { |
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return $this->channel; |
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} |
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$this->channel = $this->connection->channel(); |
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$this->channel->queue_declare($this->queue, false, false, false, false); |
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return $this->channel; |
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} |
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} |
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tomaj /
hermes
