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<?php |
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declare(strict_types=1); |
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namespace BinaryCube\CarrotMQ; |
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use Throwable; |
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use Interop\Amqp; |
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use Psr\Log\LoggerInterface; |
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use BinaryCube\CarrotMQ\Entity\Topic; |
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use BinaryCube\CarrotMQ\Support\Collection; |
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use BinaryCube\CarrotMQ\Support\AutoWireAwareTrait; |
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use function max; |
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use function usleep; |
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use function is_callable; |
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use function call_user_func_array; |
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/** |
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* Class Publisher |
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*/ |
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class Publisher extends Core implements PublisherInterface |
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{ |
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use AutoWireAwareTrait; |
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/** |
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* @const array Default queue parameters |
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*/ |
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const DEFAULTS = []; |
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/** |
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* @var Topic |
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*/ |
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protected $topic; |
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/** |
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* @var Amqp\AmqpProducer |
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*/ |
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protected $producer; |
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/** |
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* @var array |
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*/ |
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protected $config; |
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/** |
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* @var boolean |
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*/ |
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protected $producerWasWired = false; |
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/** |
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* Constructor. |
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* |
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* @param string $id |
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* @param Topic $topic |
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* @param Container $container |
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* @param array $config |
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* @param LoggerInterface|null $logger |
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*/ |
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public function __construct( |
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string $id, |
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Topic $topic, |
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Container $container, |
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array $config = [], |
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?LoggerInterface $logger = null |
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) { |
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parent::__construct($id, $container, $logger); |
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$this->id = $id; |
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$this->topic = $topic; |
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$this->container = $container; |
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$this->config = Collection::make(static::DEFAULTS)->merge($config)->all(); |
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$this->topic->setLogger($this->logger); |
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} |
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/** |
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* @return Connection |
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*/ |
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public function connection() |
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{ |
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return $this->topic->connection(); |
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} |
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/** |
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* @return Topic |
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*/ |
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public function topic(): Topic |
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{ |
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return $this->topic; |
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} |
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/** |
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* @param Amqp\AmqpMessage $message |
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* @param int $retry How many time should it be retried, default is 1 |
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* @param callable|null $onRetry A callable that is called on retries, the signature must be `function (Publisher $publisher, $exception) { ... }` |
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* @param float $delay In seconds |
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* |
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* @return $this |
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* |
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* @throws Throwable |
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*/ |
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public function publish(Amqp\AmqpMessage $message, int $retry = 0, ?callable $onRetry = null, float $delay = 0.5) |
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{ |
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$retry = max(0, $retry); |
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$error = null; |
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$this->autoWire($this->container); |
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if (false === $this->producerWasWired) { |
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$this->wireProducer(); |
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} |
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do { |
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try { |
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// Reset error. |
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$error = null; |
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$this |
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->producer |
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->setPriority($message->getPriority()) |
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->setTimeToLive($message->getTimestamp()) |
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->send($this->topic->model(), $message); |
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break; |
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} catch (Throwable $exception) { |
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$error = $exception; |
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$this->onRetry($error, $onRetry, $delay); |
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}//end try |
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} while (--$retry > 0); |
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if (isset($error)) { |
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throw $error; |
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} |
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return $this; |
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} |
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/** |
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* @return $this |
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*/ |
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public function reconnect() |
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{ |
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$this->topic->reconnect(); |
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$this->wireProducer(true); |
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return $this; |
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} |
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/** |
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* @param bool $refresh |
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* |
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* @return Amqp\AmqpProducer |
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*/ |
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protected function wireProducer(bool $refresh = false): Amqp\AmqpProducer |
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{ |
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if ($refresh || ! isset($this->producer)) { |
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$context = $this->topic->connection()->context(true); |
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$this->producer = $context->createProducer(); |
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$this->producerWasWired = true; |
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} |
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return $this->producer; |
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} |
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/** |
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* @param Throwable $error |
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* @param callable|null $onRetry |
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* @param float $delay |
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* |
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* @return void |
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*/ |
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protected function onRetry(Throwable $error, ?callable $onRetry = null, float $delay = 0.5): void |
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{ |
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try { |
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$this->reconnect(); |
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} catch (Throwable $exception) { |
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// |
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} |
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if (isset($onRetry) && is_callable($onRetry)) { |
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call_user_func_array($onRetry, [$this, $error]); |
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} |
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usleep((int) (1e6 * $delay)); |
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} |
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} |
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binary-cube /
carrot-mq
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