/**
* @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: ' . $this->ownerPid);
}
/**
* fork worker process
*
* @param \Ackintosh\Snidel\Task
* @return \Ackintosh\Snidel\Worker
* @throws \RuntimeException
*/
private function forkWorker($task)
{
try {
$fork = $this->fork();
} catch (\RuntimeException $e) {
$this->log->error($e->getMessage());
throw $e;
}
$worker = new Worker($fork, $task);
if (getmypid() === $this->masterPid) {
// master
$this->log->info('forked worker. pid: ' . $worker->getPid());
return $worker;
} else {
// worker
// @codeCoverageIgnoreStart
$this->log->info('has forked. pid: ' . getmypid());
foreach ($this->signals as $sig) {
$this->pcntl->signal($sig, SIG_DFL, true);
}
$worker->setResultQueue($this->queueFactory->createResultQueue());
$resultHasQueued = false;
register_shutdown_function(function () use(&$resultHasQueued, $worker) {
if (!$resultHasQueued) {
$worker->error();
}
});
$this->log->info('----> started the function.');
try {
$worker->run();
} catch (\RuntimeException $e) {
$this->log->error($e->getMessage());
exit;
}
$this->log->info('<---- completed the function.');
$resultHasQueued = true;
$this->log->info('queued the result and exit.');
exit;
// @codeCoverageIgnoreEnd
}
}
