/**
* @param mixed $parameter
* @throws \InvalidArgumentException
*/
public function __construct($parameter = null)
{
if (is_null($parameter)) {
$this->config = new Config();
} elseif (is_int($parameter) && $parameter >= 1) {
$this->config = new Config(array('concurrency' => $parameter));
} elseif (is_array($parameter)) {
$this->config = new Config($parameter);
} else {
throw new \InvalidArgumentException();
}
$this->ownerPid = getmypid();
$this->log = new Log($this->ownerPid);
$this->pcntl = new Pcntl();
$this->container = new Container($this->ownerPid, $this->log, $this->config);
$log = $this->log;
$self = $this;
foreach ($this->signals as $sig) {
$this->pcntl->signal($sig, function ($sig) use($log, $self) {
$log->info('received signal. signo: ' . $sig);
$self->setReceivedSignal($sig);
$log->info('--> sending a signal " to children.');
$self->container->sendSignalToMaster($sig);
$log->info('<-- signal handling has been completed successfully.');
exit;
}, false);
}
$this->log->info('parent pid: ' . $this->ownerPid);
}
/**
* send signal to master process
*
* @return void
*/
public function sendSignalToMaster($sig = SIGTERM)
{
$this->log->info('----> sending signal to master. signal: ' . $sig);
posix_kill($this->masterPid, $sig);
$this->log->info('<---- sent signal.');
$status = null;
$this->pcntl->waitpid($this->masterPid, $status);
$this->log->info('. status: ' . $status);
$this->masterPid = null;
}
/**
* @param int $sig
* @return void
*/
public function terminate($sig)
{
posix_kill($this->fork->getPid(), $sig);
$status = null;
$this->pcntl->waitpid($this->fork->getPid(), $status);
}
