/**
* Tries to (re)start a worker in a new process (EXPERIMENTAL!).
*
* @param string $id daemon id
* @param string $queueName the name of the queue to work on
* @param integer $timeout time a queue waits for a job in seconds
*/
public function daemonCommand($id, $queueName, $timeout = 1)
{
$this->outputLine('<bg=yellow;options=bold>THIS IS AN EXPERIMENTAL FEATURE!</>');
// Check if daemon is already running.
$status = $this->registry->get('daemon:' . $id);
if (is_array($status) && isset($status['pid'])) {
if ($this->processExist($status['pid'])) {
$this->outputFormatted('Daemon "%s" is already running in process "%s".', [$id, $status['pid']]);
return;
}
}
// // Path to dispatcher.
$cliDispatchPath = PATH_site . 'typo3/cli_dispatch.phpsh';
// // Test if a process can be started and the system gets the right pid.
$command = 'exec php ' . $cliDispatchPath . ' extbase job:sleep --id="' . $id . '"';
$test = $this->processOpen($command);
if (empty($test['pid']) || $test['pid'] == getmypid()) {
throw new \Exception("Method getmypid fails", 1458897118);
}
$i = 0;
while ($this->registry->get('daemon:' . $id) != $test['pid']) {
if (++$i > 10) {
throw new \Exception("Failed to verify the pid", 1458894146);
}
sleep(1);
}
if (!$this->processExist($test['pid'])) {
throw new \Exception("Failed to verify that the test process is running", 1458896762);
}
// Open daemon process
$command = 'exec php ' . $cliDispatchPath . ' extbase job:work --queue-name="' . $queueName . '" --timeout="' . $timeout . '" --limit="' . Worker::LIMIT_INFINITE . '"';
if ($sleep !== null) {
$command .= ' --sleep="' . $sleep . '"';
}
if ($memoryLimit !== null) {
$command .= ' --memory-limit="' . $memoryLimit . '"';
}
$status = $this->processOpen($command);
$this->registry->set('daemon:' . $id, $status);
$this->outputFormatted('Daemon "%s" started in a new process "%s".', [$id, $status['pid']]);
}
/**
* Returns true if kill signal has been broadcasted.
*
* @param mixed $lastRestart
* @return boolean
*/
protected function shouldRestart($lastRestart)
{
return $this->registry->get(Registry::DAEMON_KILL_KEY) !== $lastRestart;
}