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<?php |
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namespace WillRy\RabbitRun\PubSub; |
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use Exception; |
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use PhpAmqpLib\Message\AMQPMessage; |
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class PubSub extends \WillRy\RabbitRun\Base |
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{ |
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/** @var string nome da fila */ |
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protected string $queueName; |
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/** @var string nome da exchange */ |
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protected string $exchangeBaseName; |
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protected string $exchangeName; |
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public \Closure $onReceiveCallback; |
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public \Closure $onExecutingCallback; |
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public \Closure $onErrorCallback; |
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public \Closure $onCheckStatusCallback; |
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public function __construct() |
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{ |
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parent::__construct(); |
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$this->queueName = $this->randomConsumer(12); |
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} |
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/** |
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* Configura o pubsub criando |
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* a exchenge e fila |
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* @param string $name |
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* @return $this |
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*/ |
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public function createPubSubPublisher(string $name): PubSub |
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{ |
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$this->getConnection(); |
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$this->exchangeName = "{$name}_exchange"; |
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$this->exchangeBaseName = "{$name}"; |
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$this->exchange($this->exchangeName, 'fanout', false, false, false); |
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return $this; |
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} |
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/** |
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* Configura o pubsub criando |
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* a exchenge e fila |
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* @param string $name |
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* @return $this |
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*/ |
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public function createPubSubConsumer(string $name): PubSub |
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{ |
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$this->getConnection(); |
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$this->exchangeName = "{$name}_exchange"; |
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$this->exchangeBaseName = "{$name}"; |
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$this->exchange($this->exchangeName, 'fanout', false, false, false); |
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$defaultQueueName = !empty($this->queueName) ? $this->queueName : ''; |
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list($queueName,,) = $this->queue($defaultQueueName, false, false, true, true); |
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$this->queueName = $queueName; |
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$this->bind($this->queueName, $this->exchangeName); |
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return $this; |
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} |
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/** |
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* Faz publicacao no pubsub |
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* @param array $payload |
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* @return array |
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*/ |
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public function publish(string $queueName, array $payload = []) |
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{ |
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$this->createPubSubPublisher($queueName); |
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$json = json_encode($payload); |
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$message = new AMQPMessage($json); |
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$this->channel->basic_publish( |
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$message, |
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$this->exchangeName |
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); |
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return $payload; |
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} |
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/** |
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* Loop de consumo de mensagem |
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* |
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* @param int $sleepSeconds |
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* @throws Exception |
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*/ |
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public function consume( |
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string $queueName, |
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int $sleepSeconds = 3 |
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) { |
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$this->loopConnection(function () use ($sleepSeconds, $queueName) { |
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/** como no pubsub ao perder a conexão, a fila exclusiva é excluida, é necessário configurar |
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* fila e etc novamente |
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*/ |
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$this->createPubSubConsumer($queueName); |
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$this->channel->basic_qos(null, 1, null); |
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$this->channel->basic_consume( |
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$this->queueName, |
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'', |
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false, |
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true, |
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false, |
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false, |
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function (AMQPMessage $message) { |
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$statusBoolean = $this->executeStatusCallback($message); |
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if (!$statusBoolean) { |
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return false; |
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} |
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$incomeData = json_decode($message->getBody(), true); |
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$statusBoolean = $this->executeReceiveCallback($message, $incomeData); |
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if (!$statusBoolean) { |
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return false; |
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} |
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try { |
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$executingCallback = $this->onExecutingCallback; |
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$executingCallback($message, $incomeData); |
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} catch (Exception $e) { |
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print_r("[ERROR]" . PHP_EOL); |
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$this->executeErrorCallback($e, $incomeData); |
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} |
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} |
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); |
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// Loop as long as the channel has callbacks registered |
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while ($this->channel->is_open()) { |
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$this->channel->wait(null, false); |
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sleep($sleepSeconds); |
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} |
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}); |
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} |
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public function onCheckStatus(\Closure $callback) |
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{ |
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$this->onCheckStatusCallback = $callback; |
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} |
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public function onReceive(\Closure $callback) |
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{ |
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$this->onReceiveCallback = $callback; |
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} |
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public function onExecuting(\Closure $callback) |
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{ |
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$this->onExecutingCallback = $callback; |
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} |
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public function onError(\Closure $callback) |
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{ |
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$this->onErrorCallback = $callback; |
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} |
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public function executeStatusCallback() |
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{ |
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if (empty($this->onCheckStatusCallback)) { |
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return true; |
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} |
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$checkStatusCallback = $this->onCheckStatusCallback; |
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$statusBoolean = $checkStatusCallback(); |
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if (!$statusBoolean && isset($statusBoolean)) { |
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print_r("[WORKER STOPPED]" . PHP_EOL); |
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return false; |
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} |
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return true; |
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} |
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public function executeReceiveCallback($incomeData) |
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{ |
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if (empty($this->onReceiveCallback)) { |
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return true; |
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} |
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$receiveCallback = $this->onReceiveCallback; |
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$statusBoolean = $receiveCallback($incomeData); |
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if (!$statusBoolean && isset($statusBoolean)) { |
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print_r("[TASK IGNORED BY ON RECEIVE RETURN]" . PHP_EOL); |
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return false; |
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} |
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return true; |
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} |
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public function executeErrorCallback(\Exception $e, $incomeData) |
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{ |
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if (empty($this->onErrorCallback)) { |
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return false; |
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} |
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$errorCallback = $this->onErrorCallback; |
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$errorCallback($e, $incomeData); |
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return true; |
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} |
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} |
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This check compares calls to functions or methods with their respective definitions. If the call has more arguments than are defined, it raises an issue.
If a function is defined several times with a different number of parameters, the check may pick up the wrong definition and report false positives. One codebase where this has been known to happen is Wordpress. Please note the @ignore annotation hint above.