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AmqpContext.php
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<?php
declare(strict_types=1);
namespace Enqueue\AmqpLib;
use Enqueue\AmqpTools\DelayStrategyAware;
use Enqueue\AmqpTools\DelayStrategyAwareTrait;
use Interop\Amqp\AmqpBind as InteropAmqpBind;
use Interop\Amqp\AmqpContext as InteropAmqpContext;
use Interop\Amqp\AmqpMessage as InteropAmqpMessage;
use Interop\Amqp\AmqpQueue as InteropAmqpQueue;
use Interop\Amqp\AmqpTopic as InteropAmqpTopic;
use Interop\Amqp\Impl\AmqpBind;
use Interop\Amqp\Impl\AmqpMessage;
use Interop\Amqp\Impl\AmqpQueue;
use Interop\Amqp\Impl\AmqpTopic;
use Interop\Queue\Consumer;
use Interop\Queue\Destination;
use Interop\Queue\Exception\Exception;
use Interop\Queue\Exception\InvalidDestinationException;
use Interop\Queue\Message;
use Interop\Queue\Producer;
use Interop\Queue\Queue;
use Interop\Queue\SubscriptionConsumer;
use Interop\Queue\Topic;
use PhpAmqpLib\Channel\AMQPChannel;
use PhpAmqpLib\Connection\AbstractConnection;
use PhpAmqpLib\Message\AMQPMessage as LibAMQPMessage;
use PhpAmqpLib\Wire\AMQPTable;
class AmqpContext implements InteropAmqpContext, DelayStrategyAware
{
use DelayStrategyAwareTrait;
/**
* @var AbstractConnection
*/
private $connection;
/**
* @var AMQPChannel
*/
private $channel;
/**
* @var string
*/
private $config;
public function __construct(AbstractConnection $connection, array $config)
{
$this->config = array_replace([
'qos_prefetch_size' => 0,
'qos_prefetch_count' => 1,
'qos_global' => false,
], $config);
$this->connection = $connection;
}
/**
* @return InteropAmqpMessage
*/
public function createMessage(string $body = '', array $properties = [], array $headers = []): Message
{
return new AmqpMessage($body, $properties, $headers);
}
/**
* @return InteropAmqpQueue
*/
public function createQueue(string $name): Queue
{
return new AmqpQueue($name);
}
/**
* @return InteropAmqpTopic
*/
public function createTopic(string $name): Topic
{
return new AmqpTopic($name);
}
/**
* @param InteropAmqpTopic|InteropAmqpQueue $destination
*
* @return AmqpConsumer
*/
public function createConsumer(Destination $destination): Consumer
{
$destination instanceof Topic
? InvalidDestinationException::assertDestinationInstanceOf($destination, InteropAmqpTopic::class)
: InvalidDestinationException::assertDestinationInstanceOf($destination, InteropAmqpQueue::class)
;
if ($destination instanceof AmqpTopic) {
$queue = $this->createTemporaryQueue();
$this->bind(new AmqpBind($destination, $queue, $queue->getQueueName()));
return new AmqpConsumer($this, $queue);
}
return new AmqpConsumer($this, $destination);
}
/**
* @return AmqpSubscriptionConsumer
*/
public function createSubscriptionConsumer(): SubscriptionConsumer
{
return new AmqpSubscriptionConsumer($this, (bool) $this->config['heartbeat_on_tick']);
}
/**
* @return AmqpProducer
*/
public function createProducer(): Producer
{
$producer = new AmqpProducer($this->getLibChannel(), $this);
$producer->setDelayStrategy($this->delayStrategy);
return $producer;
}
/**
* @return InteropAmqpQueue
*/
public function createTemporaryQueue(): Queue
{
list($name) = $this->getLibChannel()->queue_declare('', false, false, true, false);
$queue = $this->createQueue($name);
$queue->addFlag(InteropAmqpQueue::FLAG_EXCLUSIVE);
return $queue;
}
public function declareTopic(InteropAmqpTopic $topic): void
{
$this->getLibChannel()->exchange_declare(
$topic->getTopicName(),
$topic->getType(),
(bool) ($topic->getFlags() & InteropAmqpTopic::FLAG_PASSIVE),
(bool) ($topic->getFlags() & InteropAmqpTopic::FLAG_DURABLE),
(bool) ($topic->getFlags() & InteropAmqpTopic::FLAG_AUTODELETE),
(bool) ($topic->getFlags() & InteropAmqpTopic::FLAG_INTERNAL),
(bool) ($topic->getFlags() & InteropAmqpTopic::FLAG_NOWAIT),
$topic->getArguments() ? new AMQPTable($topic->getArguments()) : null
);
}
public function deleteTopic(InteropAmqpTopic $topic): void
{
$this->getLibChannel()->exchange_delete(
$topic->getTopicName(),
(bool) ($topic->getFlags() & InteropAmqpTopic::FLAG_IFUNUSED),
(bool) ($topic->getFlags() & InteropAmqpTopic::FLAG_NOWAIT)
);
}
public function declareQueue(InteropAmqpQueue $queue): int
{
list(, $messageCount) = $this->getLibChannel()->queue_declare(
$queue->getQueueName(),
(bool) ($queue->getFlags() & InteropAmqpQueue::FLAG_PASSIVE),
(bool) ($queue->getFlags() & InteropAmqpQueue::FLAG_DURABLE),
(bool) ($queue->getFlags() & InteropAmqpQueue::FLAG_EXCLUSIVE),
(bool) ($queue->getFlags() & InteropAmqpQueue::FLAG_AUTODELETE),
(bool) ($queue->getFlags() & InteropAmqpQueue::FLAG_NOWAIT),
$queue->getArguments() ? new AMQPTable($queue->getArguments()) : null
);
return $messageCount ?? 0;
}
public function deleteQueue(InteropAmqpQueue $queue): void
{
$this->getLibChannel()->queue_delete(
$queue->getQueueName(),
(bool) ($queue->getFlags() & InteropAmqpQueue::FLAG_IFUNUSED),
(bool) ($queue->getFlags() & InteropAmqpQueue::FLAG_IFEMPTY),
(bool) ($queue->getFlags() & InteropAmqpQueue::FLAG_NOWAIT)
);
}
/**
* @param AmqpQueue $queue
*/
public function purgeQueue(Queue $queue): void
{
InvalidDestinationException::assertDestinationInstanceOf($queue, InteropAmqpQueue::class);
$this->getLibChannel()->queue_purge(
$queue->getQueueName(),
(bool) ($queue->getFlags() & InteropAmqpQueue::FLAG_NOWAIT)
);
}
public function bind(InteropAmqpBind $bind): void
{
if ($bind->getSource() instanceof InteropAmqpQueue && $bind->getTarget() instanceof InteropAmqpQueue) {
throw new Exception('Is not possible to bind queue to queue. It is possible to bind topic to queue or topic to topic');
}
// bind exchange to exchange
if ($bind->getSource() instanceof InteropAmqpTopic && $bind->getTarget() instanceof InteropAmqpTopic) {
$this->getLibChannel()->exchange_bind(
$bind->getTarget()->getTopicName(),
$bind->getSource()->getTopicName(),
$bind->getRoutingKey(),
(bool) ($bind->getFlags() & InteropAmqpBind::FLAG_NOWAIT),
$bind->getArguments()
);
// bind queue to exchange
} elseif ($bind->getSource() instanceof InteropAmqpQueue) {
$this->getLibChannel()->queue_bind(
$bind->getSource()->getQueueName(),
$bind->getTarget()->getTopicName(),
$bind->getRoutingKey(),
(bool) ($bind->getFlags() & InteropAmqpBind::FLAG_NOWAIT),
new AMQPTable($bind->getArguments())
);
// bind exchange to queue
} else {
$this->getLibChannel()->queue_bind(
$bind->getTarget()->getQueueName(),
$bind->getSource()->getTopicName(),
$bind->getRoutingKey(),
(bool) ($bind->getFlags() & InteropAmqpBind::FLAG_NOWAIT),
new AMQPTable($bind->getArguments())
);
}
}
public function unbind(InteropAmqpBind $bind): void
{
if ($bind->getSource() instanceof InteropAmqpQueue && $bind->getTarget() instanceof InteropAmqpQueue) {
throw new Exception('Is not possible to bind queue to queue. It is possible to bind topic to queue or topic to topic');
}
// bind exchange to exchange
if ($bind->getSource() instanceof InteropAmqpTopic && $bind->getTarget() instanceof InteropAmqpTopic) {
$this->getLibChannel()->exchange_unbind(
$bind->getTarget()->getTopicName(),
$bind->getSource()->getTopicName(),
$bind->getRoutingKey(),
(bool) ($bind->getFlags() & InteropAmqpBind::FLAG_NOWAIT),
$bind->getArguments()
);
// bind queue to exchange
} elseif ($bind->getSource() instanceof InteropAmqpQueue) {
$this->getLibChannel()->queue_unbind(
$bind->getSource()->getQueueName(),
$bind->getTarget()->getTopicName(),
$bind->getRoutingKey(),
$bind->getArguments()
);
// bind exchange to queue
} else {
$this->getLibChannel()->queue_unbind(
$bind->getTarget()->getQueueName(),
$bind->getSource()->getTopicName(),
$bind->getRoutingKey(),
$bind->getArguments()
);
}
}
public function close(): void
{
if ($this->channel) {
$this->channel->close();
}
}
public function setQos(int $prefetchSize, int $prefetchCount, bool $global): void
{
$this->getLibChannel()->basic_qos($prefetchSize, $prefetchCount, $global);
}
public function getLibChannel(): AMQPChannel
{
if (null === $this->channel) {
$this->channel = $this->connection->channel();
$this->channel->basic_qos(
$this->config['qos_prefetch_size'],
$this->config['qos_prefetch_count'],
$this->config['qos_global']
);
}
return $this->channel;
}
/**
* @internal It must be used here and in the consumer only
*/
public function convertMessage(LibAMQPMessage $amqpMessage): InteropAmqpMessage
{
$headers = new AMQPTable($amqpMessage->get_properties());
$headers = $headers->getNativeData();
$properties = [];
if (isset($headers['application_headers'])) {
$properties = $headers['application_headers'];
}
unset($headers['application_headers']);
$message = new AmqpMessage($amqpMessage->getBody(), $properties, $headers);
$message->setDeliveryTag((int) $amqpMessage->delivery_info['delivery_tag']);
$message->setRedelivered($amqpMessage->delivery_info['redelivered']);
$message->setRoutingKey($amqpMessage->delivery_info['routing_key']);
return $message;
}
}