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<?php |
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declare(strict_types=1); |
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namespace Darkilliant\MqProcessBundle\Message\Provider; |
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use PhpAmqpLib\Channel\AMQPChannel; |
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use Darkilliant\MqProcessBundle\Message\Message; |
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class AmqpMessageProvider |
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{ |
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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 $messages = []; |
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/** @var string */ |
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private $consumerTag; |
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public function __construct(AMQPChannel $channel, string $queue, string $exchange, bool $persistant, int $batchCount) |
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{ |
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$this->channel = $channel; |
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$this->queue = $queue; |
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$this->channel->queue_declare($this->queue, false, $persistant, false, false); |
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$this->channel->queue_bind($queue, $exchange, $this->queue); |
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$this->channel->basic_qos(null, 5000, false); |
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} |
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public function consume($ackRequired = true) |
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{ |
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$this->channel->basic_consume( |
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$this->queue, |
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$this->getConsumerTag(), |
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// when true, the server will not send messages to the connection that published them |
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false, |
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// when true, disable acknowledgements (more speed) |
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!$ackRequired, |
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// when true, queues may only be accessed by the current connection |
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false, |
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// when true, the server will not respond to the method. |
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false, |
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[$this, 'process'] //callback |
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); |
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} |
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public function stopConsume() |
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{ |
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$this->channel->basic_cancel($this->queue); |
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} |
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public function process($envelope) |
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{ |
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if (null === $envelope) { |
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return; |
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} |
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$this->messages[] = $message = $this->buildMessage($envelope); |
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} |
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public function messageOk(Message $message) |
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{ |
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$this->channel->basic_ack($message->getId()); |
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} |
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public function messageKo(Message $message, bool $requeue) |
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{ |
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$this->channel->basic_nack($message->getId(), false, $requeue); |
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} |
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public function waitChannel($blocking = true) |
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{ |
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$this->channel->wait(null, !$blocking); |
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} |
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public function fetchMessage() |
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{ |
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return array_shift($this->messages); |
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} |
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protected function getConsumerTag(): string |
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{ |
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if (null === $this->consumerTag) { |
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$this->consumerTag = sprintf('mqprocess_%s_%s_%s', $this->queue, time(), uniqid()); |
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} |
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return $this->consumerTag; |
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} |
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private function buildMessage($envelope): Message |
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{ |
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$properties = []; |
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$propertyKeys = [ |
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'content_type', 'delivery_mode', 'content_encoding', 'type', 'timestamp', 'priority', 'expiration', |
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'app_id', 'message_id', 'reply_to', 'correlation_id', 'user_id', 'cluster_id', 'channel', 'consumer_tag', |
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'delivery_tag', 'redelivered', 'exchange', 'routing_key', |
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]; |
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foreach ($propertyKeys as $key) { |
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if ($envelope->has($key)) { |
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$properties[$key] = $envelope->get($key); |
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} |
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} |
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$properties['headers'] = []; |
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if ($envelope->has('application_headers')) { |
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foreach ($envelope->get('application_headers') as $key => $value) { |
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$properties['headers'][$key] = $value[1]; |
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} |
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} |
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return new Message($envelope->body, $properties, $envelope->get('delivery_tag')); |
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} |
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} |
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jean-pasqualini /
import
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