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<?php |
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/** |
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* @author Marwan Al-Soltany <[email protected]> |
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* @copyright Marwan Al-Soltany 2020 |
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* For the full copyright and license information, please view |
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* the LICENSE file that was distributed with this source code. |
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*/ |
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namespace MAKS\AmqpAgent\Worker; |
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use PhpAmqpLib\Connection\AMQPStreamConnection; |
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use PhpAmqpLib\Channel\AMQPChannel; |
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use PhpAmqpLib\Message\AMQPMessage; |
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use PhpAmqpLib\Wire\AMQPTable; |
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use PhpAmqpLib\Exception\AMQPInvalidArgumentException; |
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use PhpAmqpLib\Exception\AMQPTimeoutException; |
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use PhpAmqpLib\Exception\AMQPConnectionClosedException; |
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use MAKS\AmqpAgent\Worker\AbstractWorkerInterface; |
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use MAKS\AmqpAgent\Worker\WorkerCommandTrait; |
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use MAKS\AmqpAgent\Worker\WorkerMutationTrait; |
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use MAKS\AmqpAgent\Exception\AmqpAgentException; |
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use MAKS\AmqpAgent\Exception\MethodDoesNotExistException; |
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use MAKS\AmqpAgent\Exception\PropertyDoesNotExistException; |
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/** |
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* An abstract class implementing the basic functionality of a worker. |
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* @since 1.0.0 |
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* @api |
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*/ |
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abstract class AbstractWorker implements AbstractWorkerInterface |
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{ |
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use WorkerMutationTrait; |
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use WorkerCommandTrait; |
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/** |
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* The default connection options that the worker should use when no overrides are provided. |
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* @var array |
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*/ |
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protected $connectionOptions; |
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/** |
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* The default channel options that the worker should use when no overrides are provided. |
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* @var array |
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*/ |
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protected $channelOptions; |
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/** |
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* The default queue options that the worker should use when no overrides are provided. |
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* @var array |
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*/ |
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protected $queueOptions; |
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/** |
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* The default connection of the worker. |
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* @var AMQPStreamConnection |
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*/ |
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public $connection; |
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/** |
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* The default channel of the worker. |
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* @var AMQPChannel |
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*/ |
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public $channel; |
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/** |
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* All opened connections of the worker. |
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* @var AMQPStreamConnection[] |
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*/ |
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public $connections = []; |
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/** |
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* All opened channels of the the worker. |
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* @var AMQPChannel[] |
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*/ |
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public $channels = []; |
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/** |
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* AbstractWorker object constuctor. |
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* @param array $connectionOptions [optional] The overrides for the default connection options of the worker. |
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* @param array $channelOptions [optional] The overrides for the default channel options of the worker. |
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* @param array $queueOptions [optional] The overrides for the default queue options of the worker. |
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*/ |
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public function __construct(array $connectionOptions = [], array $channelOptions = [], array $queueOptions = []) |
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{ |
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$this->connectionOptions = [ |
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'host' => $connectionOptions['host'] ?? self::CONNECTION_OPTIONS['host'], |
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'port' => $connectionOptions['port'] ?? self::CONNECTION_OPTIONS['port'], |
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'user' => $connectionOptions['user'] ?? self::CONNECTION_OPTIONS['user'], |
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'password' => $connectionOptions['password'] ?? self::CONNECTION_OPTIONS['password'], |
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'vhost' => $connectionOptions['vhost'] ?? self::CONNECTION_OPTIONS['vhost'], |
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'insist' => $connectionOptions['insist'] ?? self::CONNECTION_OPTIONS['insist'], |
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'login_method' => $connectionOptions['login_method'] ?? self::CONNECTION_OPTIONS['login_method'], |
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'login_response' => $connectionOptions['login_response'] ?? self::CONNECTION_OPTIONS['login_response'], |
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'locale' => $connectionOptions['locale'] ?? self::CONNECTION_OPTIONS['locale'], |
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'connection_timeout' => $connectionOptions['connection_timeout'] ?? self::CONNECTION_OPTIONS['connection_timeout'], |
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'read_write_timeout' => $connectionOptions['read_write_timeout'] ?? self::CONNECTION_OPTIONS['read_write_timeout'], |
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'context' => $connectionOptions['context'] ?? self::CONNECTION_OPTIONS['context'], |
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'keepalive' => $connectionOptions['keepalive'] ?? self::CONNECTION_OPTIONS['keepalive'], |
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'heartbeat' => $connectionOptions['heartbeat'] ?? self::CONNECTION_OPTIONS['heartbeat'], |
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'channel_rpc_timeout' => $connectionOptions['channel_rpc_timeout'] ?? self::CONNECTION_OPTIONS['channel_rpc_timeout'], |
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'ssl_protocol' => $connectionOptions['ssl_protocol'] ?? self::CONNECTION_OPTIONS['ssl_protocol'] |
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]; |
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$this->channelOptions = [ |
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'channel_id' => $channelOptions['channel_id'] ?? self::CHANNEL_OPTIONS['channel_id'] |
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]; |
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$this->queueOptions = [ |
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'queue' => $queueOptions['queue'] ?? self::QUEUE_OPTIONS['queue'], |
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'passive' => $queueOptions['passive'] ?? self::QUEUE_OPTIONS['passive'], |
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'durable' => $queueOptions['durable'] ?? self::QUEUE_OPTIONS['durable'], |
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'exclusive' => $queueOptions['exclusive'] ?? self::QUEUE_OPTIONS['exclusive'], |
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'auto_delete' => $queueOptions['auto_delete'] ?? self::QUEUE_OPTIONS['auto_delete'], |
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'nowait' => $queueOptions['nowait'] ?? self::QUEUE_OPTIONS['nowait'], |
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'arguments' => $queueOptions['arguments'] ?? self::QUEUE_OPTIONS['arguments'], |
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'ticket' => $queueOptions['ticket'] ?? self::QUEUE_OPTIONS['ticket'] |
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]; |
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} |
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/** |
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* Closes the connection with RabbitMQ server before destoring the object. |
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*/ |
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public function __destruct() |
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{ |
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$this->disconnect(); |
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} |
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/** |
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* Gets a class member via public property access notation. |
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* @param string $member Property name. |
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* @return mixed |
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* @throws PropertyDoesNotExistException |
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*/ |
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public function __get(string $member) |
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{ |
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$isMember = property_exists($this, $member); |
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if ($isMember) { |
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return $this->{$member}; |
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} |
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throw new PropertyDoesNotExistException( |
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sprintf( // @codeCoverageIgnore |
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// PHPUnit reports the line above as uncovered although the entire block is tested. |
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'The requested property with the name "%s" does not exist!', |
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$member |
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) |
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); |
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} |
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/** |
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* Sets a class member via public property assignment notation. |
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* @param string $member Property name. |
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* @param array $array Array of overrides. The array type here is important, because only *Options properties should be overwritable. |
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* @return void |
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* @throws PropertyDoesNotExistException |
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*/ |
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public function __set(string $member, array $array) |
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{ |
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$isMember = property_exists($this, $member); |
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$notProtected = $member !== 'mutation' ? true : false; |
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if ($isMember && $notProtected) { |
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$acceptedKeys = array_keys($this->{$member}); |
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foreach ($array as $key => $value) { |
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if (in_array($key, $acceptedKeys)) { |
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$this->{$member}[$key] = $value; |
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} |
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} |
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return; |
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} |
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throw new PropertyDoesNotExistException( |
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sprintf( // @codeCoverageIgnore |
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// PHPUnit reports the line above as uncovered although the entire block is tested. |
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'A property with the name "%s" is immutable or does not exist!', |
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$member |
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) |
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); |
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} |
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/** |
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* Throws an exception for calls to undefined methods. |
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* @param string $function Function name. |
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* @param array $arguments Function arguments. |
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* @return mixed |
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* @throws MethodDoesNotExistException |
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*/ |
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public function __call(string $function, array $arguments) |
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{ |
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throw new MethodDoesNotExistException( |
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sprintf( // @codeCoverageIgnore |
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// PHPUnit reports the line above as uncovered although the entire block is tested. |
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'The called method "%s" with the parameters "%s" does not exist!', |
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$function, |
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implode(', ', $arguments) |
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) |
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); |
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} |
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/** |
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* Throws an exception for calls to undefined static methods. |
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* @param string $function Function name. |
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* @param array $arguments Function arguments. |
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* @return mixed |
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* @throws MethodDoesNotExistException |
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*/ |
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public static function __callStatic(string $function, array $arguments) |
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{ |
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throw new MethodDoesNotExistException( |
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sprintf( // @codeCoverageIgnore |
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// PHPUnit reports the line above as uncovered although the entire block is tested. |
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'The called static method "%s" with the parameters "%s" does not exist!', |
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$function, |
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implode(', ', $arguments) |
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) |
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); |
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} |
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/** |
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* Closes the connection or the channel or both with RabbitMQ server. |
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* @param AMQPStreamConnection|AMQPChannel|AMQPMessage ...$object The object that should be used to close the channel or the connection. |
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* @return bool True on success. |
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* @throws AMQPInvalidArgumentException |
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*/ |
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public static function shutdown(...$object): bool |
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{ |
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$successful = true; |
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$parameters = []; |
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foreach ($object as $class) { |
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$parameters[] = is_object($class) ? get_class($class) : gettype($class); |
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if ( |
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$class instanceof AMQPStreamConnection || |
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$class instanceof AMQPChannel || |
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$class instanceof AMQPMessage |
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) { |
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try { |
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if (!($class instanceof AMQPMessage)) { |
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$class->close(); |
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continue; |
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} |
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$class->delivery_info['channel']->close(); |
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} catch (AMQPConnectionClosedException $e) { |
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// No need to throw the exception here as it's extraneous. This error |
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// happens when a channel gets closed multiple times in different ways. |
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} |
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} else { |
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$successful = false; |
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} |
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} |
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if ($successful) { |
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return $successful; |
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} |
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throw new AMQPInvalidArgumentException( |
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sprintf( // @codeCoverageIgnore |
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// PHPUnit reports the line above as uncovered although the entire block is tested. |
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'The passed parameter must be of type %s, %s or %s or a combination of them. Given parameter(s) has/have the type(s): %s!', |
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AMQPStreamConnection::class, |
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AMQPChannel::class, |
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AMQPMessage::class, |
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implode(', ', $parameters) |
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) |
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); |
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} |
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/** |
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* Establishes a connection with RabbitMQ server and opens a channel for the worker in the opened connection, it also sets both of them as defaults. |
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* @return self |
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*/ |
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public function connect(): self |
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{ |
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if (empty($this->connection)) { |
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$this->connection = $this->getNewConnection(); |
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} |
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if (empty($this->channel)) { |
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$this->channel = $this->getNewChannel(); |
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} |
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return $this; |
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} |
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/** |
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* Closes all open channels and connections with RabbitMQ server. |
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* @return self |
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*/ |
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48 |
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public function disconnect(): self |
293
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{ |
294
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48 |
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if (count($this->channels)) { |
295
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33 |
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foreach ($this->channels as $channel) { |
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$channel->close(); |
297
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} |
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$this->channel = null; |
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$this->channels = []; |
300
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} |
301
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302
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48 |
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if (count($this->connections)) { |
303
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33 |
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foreach ($this->connections as $connection) { |
304
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$connection->close(); |
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} |
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$this->connection = null; |
307
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$this->connections = []; |
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} |
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310
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return $this; |
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} |
312
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/** |
314
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* Executes self::disconnect() and self::connect() respectively. |
315
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* @return self |
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*/ |
317
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1 |
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public function reconnect(): self |
318
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{ |
319
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1 |
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$this->disconnect(); |
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1 |
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$this->connect(); |
321
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322
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return $this; |
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} |
324
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325
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/** |
326
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* Declares a queue on the default channel of the worker's connection with RabbitMQ server. |
327
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* @param array $parameters [optional] The overrides for the default queue options of the worker. |
328
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* @param AMQPChannel $_channel [optional] The channel that should be used instead of the default worker's channel. |
329
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* @return self |
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* @throws AMQPTimeoutException |
331
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*/ |
332
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18 |
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public function queue(?array $parameters = null, ?AMQPChannel $_channel = null): self |
333
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{ |
334
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18 |
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$changes = null; |
335
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18 |
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if ($parameters) { |
336
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7 |
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$changes = $this->mutateClassMember('queueOptions', $parameters); |
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} |
338
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18 |
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$channel = $_channel ?: $this->channel; |
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341
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try { |
342
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18 |
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$channel->queue_declare( |
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18 |
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$this->queueOptions['queue'], |
344
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18 |
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$this->queueOptions['passive'], |
345
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18 |
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$this->queueOptions['durable'], |
346
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18 |
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$this->queueOptions['exclusive'], |
347
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18 |
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$this->queueOptions['auto_delete'], |
348
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18 |
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$this->queueOptions['nowait'], |
349
|
18 |
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$this->queueOptions['arguments'], |
350
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18 |
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$this->queueOptions['ticket'] |
351
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); |
352
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} catch (AMQPTimeoutException $error) { // @codeCoverageIgnore |
353
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AmqpAgentException::rethrowException($error, __METHOD__ . '() failed!'); // @codeCoverageIgnore |
354
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} |
355
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|
356
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18 |
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if ($changes) { |
357
|
7 |
|
$this->mutateClassMember('queueOptions', $changes); |
358
|
|
|
} |
359
|
|
|
|
360
|
18 |
|
return $this; |
361
|
|
|
} |
362
|
|
|
|
363
|
|
|
/** |
364
|
|
|
* Returns an AMQPTable object. |
365
|
|
|
* @param array $array An array of the option wished to be turn into the an arguments object. |
366
|
|
|
* @return AMQPTable |
367
|
|
|
*/ |
368
|
1 |
|
public function arguments(array $array): AMQPTable |
369
|
|
|
{ |
370
|
1 |
|
return new AMQPTable($array); |
371
|
|
|
} |
372
|
|
|
|
373
|
|
|
/** |
374
|
|
|
* Returns the default connection of the worker. If the worker is not connected, it returns null. |
375
|
|
|
* @return AMQPStreamConnection|null |
376
|
|
|
*/ |
377
|
4 |
|
public function getConnection(): ?AMQPStreamConnection |
378
|
|
|
{ |
379
|
4 |
|
return $this->connection; |
380
|
|
|
} |
381
|
|
|
|
382
|
|
|
/** |
383
|
|
|
* Sets the passed connection as the default connection of the worker. |
384
|
|
|
* @param AMQPStreamConnection $connection The connection that should be as the default connection of the worker. |
385
|
|
|
* @return self |
386
|
|
|
*/ |
387
|
1 |
|
public function setConnection(AMQPStreamConnection $connection): self |
388
|
|
|
{ |
389
|
1 |
|
$this->connection = $connection; |
390
|
1 |
|
return $this; |
391
|
|
|
} |
392
|
|
|
|
393
|
|
|
/** |
394
|
|
|
* Opens a new connection to RabbitMQ server and returns it. Connections returned by this method pushed to connections array and are not set as default automaticly. |
395
|
|
|
* @return AMQPStreamConnection |
396
|
|
|
*/ |
397
|
35 |
|
public function getNewConnection(array $parameters = null): AMQPStreamConnection |
398
|
|
|
{ |
399
|
35 |
|
$changes = null; |
400
|
35 |
|
if ($parameters) { |
401
|
1 |
|
$changes = $this->mutateClassMember('connectionOptions', $parameters); |
402
|
|
|
} |
403
|
|
|
|
404
|
35 |
|
$this->connections[] = $connection = new AMQPStreamConnection( |
405
|
35 |
|
$this->connectionOptions['host'], |
406
|
35 |
|
$this->connectionOptions['port'], |
407
|
35 |
|
$this->connectionOptions['user'], |
408
|
35 |
|
$this->connectionOptions['password'], |
409
|
35 |
|
$this->connectionOptions['vhost'], |
410
|
35 |
|
$this->connectionOptions['insist'], |
411
|
35 |
|
$this->connectionOptions['login_method'], |
412
|
35 |
|
$this->connectionOptions['login_response'], |
413
|
35 |
|
$this->connectionOptions['locale'], |
414
|
35 |
|
$this->connectionOptions['connection_timeout'], |
415
|
35 |
|
$this->connectionOptions['read_write_timeout'], |
416
|
35 |
|
$this->connectionOptions['context'], |
417
|
35 |
|
$this->connectionOptions['keepalive'], |
418
|
35 |
|
$this->connectionOptions['heartbeat'], |
419
|
35 |
|
$this->connectionOptions['channel_rpc_timeout'], |
420
|
35 |
|
$this->connectionOptions['ssl_protocol'] |
421
|
|
|
); |
422
|
|
|
|
423
|
35 |
|
if ($changes) { |
424
|
1 |
|
$this->mutateClassMember('connectionOptions', $changes); |
425
|
|
|
} |
426
|
|
|
|
427
|
35 |
|
return $connection; |
428
|
|
|
} |
429
|
|
|
|
430
|
|
|
/** |
431
|
|
|
* Returns the default channel of the worker. If the worker is not connected, it returns null. |
432
|
|
|
* @return AMQPChannel|null |
433
|
|
|
*/ |
434
|
11 |
|
public function getChannel(): ?AMQPChannel |
435
|
|
|
{ |
436
|
11 |
|
return $this->channel; |
437
|
|
|
} |
438
|
|
|
|
439
|
|
|
/** |
440
|
|
|
* Sets the passed channel as the default channel of the worker. |
441
|
|
|
* @param AMQPChannel $channel The channel that should be as the default channel of the worker. |
442
|
|
|
* @return self |
443
|
|
|
*/ |
444
|
1 |
|
public function setChannel(AMQPChannel $channel): self |
445
|
|
|
{ |
446
|
1 |
|
$this->channel = $channel; |
447
|
1 |
|
return $this; |
448
|
|
|
} |
449
|
|
|
|
450
|
|
|
/** |
451
|
|
|
* Returns a new channel on the the passed connection of the worker. If no connection is passed, it uses the default connection. If the worker is not connected, it returns null. |
452
|
|
|
* @param array $parameters [optional] The overrides for the default channel options of the worker. |
453
|
|
|
* @param AMQPStreamConnection $_connection [optional] The connection that should be used instead of the default worker's connection. |
454
|
|
|
* @return AMQPChannel|null |
455
|
|
|
*/ |
456
|
35 |
|
public function getNewChannel(array $parameters = null, ?AMQPStreamConnection $_connection = null): ?AMQPChannel |
457
|
|
|
{ |
458
|
35 |
|
$changes = null; |
459
|
35 |
|
if ($parameters) { |
460
|
2 |
|
$changes = $this->mutateClassMember('channelOptions', $parameters); |
461
|
|
|
} |
462
|
|
|
|
463
|
35 |
|
$connection = $_connection ?: $this->connection; |
464
|
|
|
|
465
|
35 |
|
$channel = null; |
466
|
35 |
|
if (isset($connection)) { |
467
|
35 |
|
$this->channels[] = $channel = $connection->channel( |
468
|
35 |
|
$this->channelOptions['channel_id'] |
469
|
|
|
); |
470
|
|
|
} |
471
|
|
|
|
472
|
35 |
|
if ($changes) { |
473
|
2 |
|
$this->mutateClassMember('channelOptions', $changes); |
474
|
|
|
} |
475
|
|
|
|
476
|
35 |
|
return $channel; |
477
|
|
|
} |
478
|
|
|
|
479
|
|
|
/** |
480
|
|
|
* Fetches a channel object identified by the passed id (channel_id). If not found, it returns null. |
481
|
|
|
* @param int $channleId The id of the channel wished to be fetched. |
482
|
|
|
* @param AMQPStreamConnection $_connection [optional] The connection that should be used instead of the default worker's connection. |
483
|
|
|
* @return AMQPChannel|null |
484
|
|
|
*/ |
485
|
2 |
|
public function getChannelById(int $channleId, ?AMQPStreamConnection $_connection = null): ?AMQPChannel |
486
|
|
|
{ |
487
|
2 |
|
$connection = $_connection ?: $this->connection; |
488
|
2 |
|
$channels = $connection->channels; |
489
|
|
|
|
490
|
2 |
|
if (array_key_exists($channleId, $channels)) { |
491
|
1 |
|
return $channels[$channleId]; |
492
|
|
|
} |
493
|
|
|
|
494
|
1 |
|
return null; |
495
|
|
|
} |
496
|
|
|
} |
497
|
|
|
|