/**
* @param InputInterface $input An InputInterface instance
* @param OutputInterface $output An OutputInterface instance
*
* @throws \InvalidArgumentException When the number of messages to consume is less than 0
* @throws \BadFunctionCallException When the pcntl is not installed and option -s is true
*/
protected function initialize(InputInterface $input, OutputInterface $output)
{
parent::initialize($input, $output);
if (defined('AMQP_WITHOUT_SIGNALS') === false) {
define('AMQP_WITHOUT_SIGNALS', $input->getOption('without-signals'));
}
if (!AMQP_WITHOUT_SIGNALS && extension_loaded('pcntl')) {
if (!function_exists('pcntl_signal')) {
throw new \BadFunctionCallException("Function 'pcntl_signal' is referenced in the php.ini 'disable_functions' and can't be called.");
}
pcntl_signal(SIGTERM, array($this, 'signalTerm'));
pcntl_signal(SIGINT, array($this, 'signalInt'));
pcntl_signal(SIGHUP, array($this, 'signalHup'));
}
if (defined('AMQP_DEBUG') === false) {
define('AMQP_DEBUG', (bool) $input->getOption('debug'));
}
if (($this->amount = $input->getOption('messages')) < 0) {
throw new \InvalidArgumentException("The -m option should be null or greater than 0");
}
$this->consumer = $this->registry->getConsumer($input->getArgument('name'));
if (!is_null($input->getOption('memory-limit')) && ctype_digit((string) $input->getOption('memory-limit')) && $input->getOption('memory-limit') > 0) {
$this->consumer->setMemoryLimit($input->getOption('memory-limit'));
}
if ($routingKey = $input->getOption('route')) {
$this->consumer->setRoutingKey($routingKey);
}
}
/**
* @param InputInterface $input
* @param OutputInterface $output
*
* @return int
*/
protected function execute(InputInterface $input, OutputInterface $output)
{
$noConfirmation = (bool) $input->getOption('no-confirmation');
if (!$noConfirmation && $input->isInteractive()) {
$confirmation = $this->getHelper('dialog')->askConfirmation($output, sprintf('<question>Are you sure you wish to purge "%s" queue? (y/n)</question>', $input->getArgument('name')), false);
if (!$confirmation) {
$output->writeln('<error>Purging cancelled!</error>');
return 1;
}
}
/** @var Consumer $consumer */
$consumer = $this->registry->getConsumer($input->getArgument('name'));
$consumer->purge($input->getArgument('name'));
return 0;
}
