/**
* Recovers instance from plain data.
*
* @param array $data Data of object to restore.
* @param Daemon $instance Optionaly, target instance which should be recovered.
* @return Daemon Recovered instance.
* @throws InvalidArgumentException When argument of invalid type is passed.
* @version 0.0.1
* @since 0.0.1
*/
public static function fromArray(array $data, \Pork\SerializationHandler $instance = null)
{
if (isset($instance) && !$instance instanceof self) {
throw new InvalidArgumentException(\sprintf('Pork\\Process\\Daemon::fromArray() can work only on Pork\\Process\\Daemon instances - %s given.', \get_class($instance)));
}
// core data
$instance = parent::fromArray($data, $instance);
// additional daemon info
$instance->outputLog = $data['outputLog'];
$instance->errorLog = $data['errorLog'];
$instance->uid = $data['uid'];
$instance->gid = $data['gid'];
return $instance;
}
/**
* Checks if process is running.
*
* @return bool Process running state.
* @version 0.0.1
* @since 0.0.1
*/
public function isRunning()
{
// no PID - nothing more to do
if (!\file_exists($this->pidFile)) {
return false;
}
$pid = \file_get_contents($this->pidFile);
if (\is_numeric($pid)) {
if (\Pork\Process::checkRunning($pid)) {
// remember it here, why bother in future?
$this->pid = $pid;
// unfortunately we can't check if it's our process
return true;
}
}
// not running - delete orphaned PID file
$this->clear();
return false;
}