public function fetchJob($timeout = null)
{
$pheanstalkJob = $this->pheanstalk->watch($this->tube)->ignore('default')->reserve($timeout);
if (!$pheanstalkJob) {
return null;
}
$job = new PheanstalkQueueJob(unserialize($pheanstalkJob->getData()), $pheanstalkJob);
$job->setQueue($this);
return $job;
}
public function Run()
{
$this->Log("Beginning to Run");
// We want to catch any errors in case something goes really wrong and cleanly exit
try {
/************* MAGIC IS HERE **************
* This is where the magic happens
* The worker will loop forever while $this->run
* is true.
******************************************/
while ($this->run) {
// Report our current status
$this->status = 'listening';
$this->Report();
// Listen to a beanstalk tube
$job = $this->beanstalk->watch('system')->watch('queue')->ignore('default')->reserve(10);
// When a job exists, process the job.
if ($job) {
$this->ProcessJob($job);
}
// Echo a "." so we know the worker isn't frozen in the logs.
echo ".";
$this->status = 'checking';
$this->Report();
// Check the status of the worker to see if we need to stop running.
$this->CheckStatus();
}
} catch (Exception $ex) {
$this->Log("Exception Caught: " . $ex->getMessage());
var_dump($ex->getTrace());
}
// Cleanup any status & connections
$this->Cleanup();
// Stop the worker from working
return;
}
{
switch ($signal) {
case SIGINT:
throw new Omeka_Job_Worker_InterruptException("Caught SIGINT, shutting down.");
break;
default:
break;
}
}
pcntl_signal(SIGINT, "handle_signal");
$application->bootstrap(array('Logger'));
$host = isset($options->host) ? $options->host : '127.0.0.1';
$port = isset($options->port) ? $options->port : 11300;
$pheanstalk = new Pheanstalk_Pheanstalk("{$host}:{$port}");
if (isset($options->queue) && $options->queue != 'default') {
$pheanstalk->watch($options->queue)->ignore('default');
}
// Reserving a job BEFORE bootstrapping the database will ensure that there are
// never any MySQL timeout issues and help prevent any number of other database
// usage-related problems.
$pheanJob = $pheanstalk->reserve();
if (!$pheanJob) {
// Timeouts can occur when reserving a job, so this must be taken
// into account. No cause for alarm.
echo "Beanstalk worker timed out when reserving a job.";
exit(0);
}
$application->bootstrap(array('Config', 'Db', 'Filederivatives', 'Locale', 'Options', 'Pluginbroker', 'Plugins', 'Jobs', 'Storage', 'Mail', 'View'));
// resend() must send jobs to the original queue by default.
$jobDispatcher = Zend_Registry::get('job_dispatcher');
if ($options->queue) {
/**
* Watches a tube
*
* @param string $tube
* @return $this
*/
public function watch($tube)
{
$this->pheanstalk->watch($tube);
return $this;
}
