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<?php |
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namespace devtransition\rabbitmq; |
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use yii\base\Component; |
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use yii\base\InvalidParamException; |
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use yii\di\Container; |
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use devtransition\rabbitmq\base\Connection; |
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use devtransition\rabbitmq\base\Channel; |
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/** |
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* Connection represents an advanced instance of PhpAmqpLibs AMQPStreamConnection. |
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* |
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* Connection works together with Channels .... explain.. |
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* |
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* ```php |
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* 'components' => [ |
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* 'rabbit' => [ |
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* 'class' => '\devtransition\rabbitmq\Client', |
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* 'username' => 'guest', |
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* 'password' => 'guest', |
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* 'vhost' => '/', |
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* ], |
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* ], |
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* ``` |
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* |
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* @property Connection $connection The PhpAmqpLib connection instance. This property is read-only. |
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* |
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* @author Nicolas Wild <[email protected]> |
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*/ |
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class Client extends Component |
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{ |
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/** |
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* @var string RabbitMQ server hostname or IP address. Defaults to `localhost`. |
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*/ |
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public $host = 'localhost'; |
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/** |
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* @var integer TCP-Port where RabbitMQ is listening. Defaults to `5672`. |
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*/ |
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public $port = 5672; |
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/** |
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* @var string RabbitMQ server username on connect. Defaults to `guest`. |
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*/ |
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public $username = 'guest'; |
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/** |
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* @var string RabbitMQ server password on connect. Defaults to `guest`. |
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*/ |
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public $password = ''; |
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/** |
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* @var string RabbitMQ server virtual host to use. Defaults to `/`. |
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*/ |
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public $vhost = '/'; |
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/** |
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* @var array |
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*/ |
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public $options = []; |
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/** |
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* @var Connection|array|string The Connection object or the application component ID of the Connection object. |
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* It´s also possible to set an array with class and addition configuration - in that case a new objects gets generated an configured. |
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*/ |
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public $connectionClass; |
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/** |
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* @var array|string The Channel class name or an array with class and addition configuration - in that case a new objects gets generated an configured. |
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*/ |
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public $channelClass; |
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/** |
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* @var Connection |
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*/ |
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protected $connection; |
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/** |
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* @var Container DI container holding connection (singleton) and all generated channels |
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*/ |
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protected $container; |
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/** |
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* @inheritdoc |
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*/ |
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public function init() |
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{ |
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parent::init(); |
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$this->container = new Container(); |
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// Add connection |
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$config = [ |
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'host' => $this->host, |
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'port' => $this->port, |
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'username' => $this->username, |
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'password' => $this->password, |
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'vhost' => $this->vhost, |
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]; |
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if (is_array($this->connectionClass)) { |
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$connection = array_merge($config, $this->connectionClass); |
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} else { |
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$connection = array_merge($config, [ |
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'class' => (!empty($this->connectionClass) ? $this->connectionClass : 'devtransition\rabbitmq\base\Connection'), |
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]); |
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} |
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$this->container->setSingleton('devtransition\rabbitmq\base\ConnectionInterface', $connection); |
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// Define base channel defintion |
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$this->container->set("channel", ($this->channelClass ? $this->channelClass : 'devtransition\rabbitmq\base\Channel')); |
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} |
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/** |
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* @return Connection |
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*/ |
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public function getConnection() |
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{ |
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return $this->container->get('devtransition\rabbitmq\base\ConnectionInterface'); |
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} |
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/** |
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* Returns channel object. |
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* |
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* All further actions like sending and receiving can be done in the context of that channel. |
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* |
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* @param string $channel_id user defined name to identify channel |
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* @return Channel |
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*/ |
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public function getChannel($channel_id = 'default') |
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{ |
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$index = "channel_" . $channel_id; |
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if (!$this->container->has($index)) { |
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$this->container->set($index, 'channel'); |
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} |
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return $this->container->get($index); |
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} |
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/** |
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* Close an existing channel |
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* |
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* @param string $channel_id user given name during getChanncel() |
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*/ |
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public function closeChannel($channel_id = 'default') |
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{ |
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$index = "channel_" . $channel_id; |
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if (!$this->container->has($index)) { |
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throw new InvalidParamException('invalid channel id'); |
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} |
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$this->container->clear($index); |
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} |
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} |
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