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<?php |
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namespace OldSound\RabbitMqBundle\RabbitMq; |
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use OldSound\RabbitMqBundle\Provider\ConnectionParametersProviderInterface; |
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use PhpAmqpLib\Connection\AbstractConnection; |
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use PhpAmqpLib\Connection\AMQPSocketConnection; |
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use Symfony\Component\Config\Definition\Exception\InvalidConfigurationException; |
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class AMQPConnectionFactory |
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{ |
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/** @var string */ |
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private $class; |
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/** @var array */ |
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private $parameters = array( |
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'url' => '', |
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'host' => 'localhost', |
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'port' => 5672, |
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'user' => 'guest', |
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'password' => 'guest', |
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'vhost' => '/', |
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'connection_timeout' => 3, |
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'read_write_timeout' => 3, |
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'ssl_context' => null, |
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'keepalive' => false, |
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'heartbeat' => 0, |
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'hosts' => [] |
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); |
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/** |
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* Constructor |
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* |
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* @param string $class FQCN of AMQPConnection class to instantiate. |
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* @param array $parameters Map containing parameters resolved by |
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* Extension. |
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* @param ConnectionParametersProviderInterface $parametersProvider Optional service providing/overriding |
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* connection parameters. |
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*/ |
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public function __construct( |
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$class, |
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array $parameters, |
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ConnectionParametersProviderInterface $parametersProvider = null |
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) { |
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$this->class = $class; |
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$this->parameters = array_merge($this->parameters, $parameters); |
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$this->parameters = $this->parseUrl($this->parameters); |
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foreach ($this->parameters['hosts'] as $key => $hostParameters) { |
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if (!isset($hostParameters['url'])) { |
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continue; |
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} |
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$this->parameters['hosts'][$key] = $this->parseUrl($hostParameters); |
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} |
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if (is_array($this->parameters['ssl_context'])) { |
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$this->parameters['context'] = ! empty($this->parameters['ssl_context']) |
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? stream_context_create(array('ssl' => $this->parameters['ssl_context'])) |
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: null; |
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} |
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if ($parametersProvider) { |
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$this->parameters = array_merge($this->parameters, $parametersProvider->getConnectionParameters()); |
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} |
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} |
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/** |
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* Creates the appropriate connection using current parameters. |
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* |
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* @return AbstractConnection |
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* @throws \Exception |
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*/ |
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public function createConnection() |
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{ |
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if (isset($this->parameters['constructor_args']) && is_array($this->parameters['constructor_args'])) { |
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$constructorArgs = array_values($this->parameters['constructor_args']); |
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return new $this->class(...$constructorArgs); |
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} |
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$hosts = $this->parameters['hosts'] ?: [$this->parameters]; |
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$options = $this->parameters; |
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unset($options['hosts']); |
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if ($this->class == AMQPSocketConnection::class || is_subclass_of($this->class, AMQPSocketConnection::class)) { |
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$options['read_timeout'] = $options['read_timeout'] ?? $this->parameters['read_write_timeout']; |
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$options['write_timeout'] = $options['write_timeout'] ?? $this->parameters['read_write_timeout']; |
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} |
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// No need to unpack options, they will be handled inside connection classes |
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return $this->class::create_connection($hosts, $options); |
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} |
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/** |
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* Parses connection parameters from URL parameter. |
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* |
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* @param array $parameters |
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* |
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* @return array |
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*/ |
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private function parseUrl(array $parameters) |
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{ |
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if (!$parameters['url']) { |
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return $parameters; |
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} |
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$url = parse_url($parameters['url']); |
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if ($url === false || !isset($url['scheme']) || !in_array($url['scheme'], ['amqp', 'amqps'], true)) { |
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throw new InvalidConfigurationException('Malformed parameter "url".'); |
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} |
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// See https://www.rabbitmq.com/uri-spec.html |
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if (isset($url['host'])) { |
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$parameters['host'] = urldecode($url['host']); |
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} |
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if (isset($url['port'])) { |
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$parameters['port'] = (int)$url['port']; |
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} |
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if (isset($url['user'])) { |
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$parameters['user'] = urldecode($url['user']); |
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} |
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if (isset($url['pass'])) { |
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$parameters['password'] = urldecode($url['pass']); |
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} |
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if (isset($url['path'])) { |
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$parameters['vhost'] = urldecode(ltrim($url['path'], '/')); |
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} |
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if (isset($url['query'])) { |
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$query = array(); |
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parse_str($url['query'], $query); |
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$parameters = array_merge($parameters, $query); |
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} |
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unset($parameters['url']); |
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return $parameters; |
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} |
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} |
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php-amqplib /
RabbitMqBundle
