/**
* Push a new job onto the queue
*
* @param string $job The job class
* @param mixed $data The job data
* @param string $queue The queue to add the job to
* @return Job job instance
*/
public function push($job, array $data = null, $queue = null)
{
if (false !== ($delay = \Resque::getConfig('default.jobs.delay', false))) {
return $this->later($delay, $job, $data, $queue);
}
return Job::create($this->getQueue($queue), $job, $data);
}
/**
* Look for any jobs which are running but the worker is dead.
* Meaning that they are also not running but left in limbo
*
* This is a form of garbage collection to handle cases where the
* server may have been killed and the workers did not die gracefully
* and therefore leave state information in Redis.
*
* @param array $queues list of queues to check
*/
public static function cleanup(array $queues = array('*'))
{
$cleaned = array('zombie' => 0, 'processed' => 0);
$redis = Redis::instance();
if (in_array('*', $queues)) {
$queues = (array) $redis->smembers(Queue::redisKey());
sort($queues);
}
$workers = $redis->smembers(Worker::redisKey());
foreach ($queues as $queue) {
$jobs = $redis->zrangebyscore(Queue::redisKey($queue, 'running'), 0, time());
foreach ($jobs as $payload) {
$job = self::loadPayload($queue, $payload);
$packet = $job->getPacket();
if (!in_array($packet['worker'], $workers)) {
$job->fail(new Exception\Zombie());
$cleaned['zombie']++;
}
}
$cleaned['processed'] = $redis->zremrangebyscore(Queue::redisKey($queue, 'processed'), 0, time() - \Resque::getConfig('default.expiry_time', \Resque::DEFAULT_EXPIRY_TIME));
}
return $cleaned;
}
/**
* Look for any workers which should be running on this server and if
* they're not, remove them from Redis.
*
* This is a form of garbage collection to handle cases where the
* server may have been killed and the workers did not die gracefully
* and therefore leave state information in Redis.
*/
public function cleanup()
{
$workers = self::allWorkers();
$hosts = $this->redis->smembers(Host::redisKey());
$cleaned = array();
foreach ($workers as $worker) {
list($host, $pid) = explode(':', (string) $worker, 2);
if ($host != (string) $this->host and in_array($host, $hosts) or $host == (string) $this->host and posix_kill((int) $pid, 0)) {
continue;
}
$this->log('Pruning dead worker: ' . $worker, Logger::DEBUG);
$worker->unregister();
$cleaned[] = (string) $worker;
}
$workerIds = array_map(function ($w) {
return (string) $w;
}, $workers);
$keys = (array) $this->redis->keys('worker:' . $this->host . ':*');
foreach ($keys as $key) {
$key = $this->redis->removeNamespace($key);
$id = substr($key, strlen('worker:'));
if (!in_array($id, $workerIds)) {
if ($this->redis->ttl($key) < 0) {
$this->log('Expiring worker data: ' . $key, Logger::DEBUG);
$this->redis->expire($key, \Resque::getConfig('default.expiry_time', \Resque::DEFAULT_EXPIRY_TIME));
}
}
}
Event::fire(Event::WORKER_CLEANUP, array($this, $cleaned));
return $cleaned;
}
