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<?php namespace Illuminate\Queue;
use Illuminate\Redis\Database;
use Illuminate\Queue\Jobs\RedisJob;
class RedisQueue extends Queue implements QueueInterface {
/**
* The Redis database instance.
*
* @var \Illuminate\Redis\Database
*/
protected $redis;
/**
* The connection name.
*
* @var string
*/
protected $connection;
/**
* The name of the default queue.
*
* @var string
*/
protected $default;
/**
* Create a new Redis queue instance.
*
* @param \Illuminate\Redis\Database $redis
* @param string $default
* @param string $connection
* @return void
*/
public function __construct(Database $redis, $default = 'default', $connection = null)
{
$this->redis = $redis;
$this->default = $default;
$this->connection = $connection;
}
/**
* Push a new job onto the queue.
*
* @param string $job
* @param mixed $data
* @param string $queue
* @return void
*/
public function push($job, $data = '', $queue = null)
{
return $this->pushRaw($this->createPayload($job, $data), $queue);
}
/**
* Push a raw payload onto the queue.
*
* @param string $payload
* @param string $queue
* @param array $options
* @return mixed
*/
public function pushRaw($payload, $queue = null, array $options = array())
{
$this->redis->rpush($this->getQueue($queue), $payload);
return array_get(json_decode($payload, true), 'id');
}
/**
* Push a new job onto the queue after a delay.
*
* @param \DateTime|int $delay
* @param string $job
* @param mixed $data
* @param string $queue
* @return void
*/
public function later($delay, $job, $data = '', $queue = null)
{
$payload = $this->createPayload($job, $data);
$delay = $this->getSeconds($delay);
$this->redis->zadd($this->getQueue($queue).':delayed', $this->getTime() + $delay, $payload);
return array_get(json_decode($payload, true), 'id');
}
/**
* Release a reserved job back onto the queue.
*
* @param string $queue
* @param string $payload
* @param int $delay
* @param int $attempts
* @return void
*/
public function release($queue, $payload, $delay, $attempts)
{
$payload = $this->setMeta($payload, 'attempts', $attempts);
$this->redis->zadd($this->getQueue($queue).':delayed', $this->getTime() + $delay, $payload);
}
/**
* Pop the next job off of the queue.
*
* @param string $queue
* @return \Illuminate\Queue\Jobs\Job|null
*/
public function pop($queue = null)
{
$original = $queue ?: $this->default;
$this->migrateAllExpiredJobs($queue = $this->getQueue($queue));
$job = $this->redis->lpop($queue);
if ( ! is_null($job))
{
$this->redis->zadd($queue.':reserved', $this->getTime() + 60, $job);
return new RedisJob($this->container, $this, $job, $original);
}
}
/**
* Delete a reserved job from the queue.
*
* @param string $queue
* @param string $job
* @return void
*/
public function deleteReserved($queue, $job)
{
$this->redis->zrem($this->getQueue($queue).':reserved', $job);
}
/**
* Migrate all of the waiting jobs in the queue.
*
* @param string $queue
* @return void
*/
protected function migrateAllExpiredJobs($queue)
{
$this->migrateExpiredJobs($queue.':delayed', $queue);
$this->migrateExpiredJobs($queue.':reserved', $queue);
}
/**
* Migrate the delayed jobs that are ready to the regular queue.
*
* @param string $from
* @param string $to
* @return void
*/
public function migrateExpiredJobs($from, $to)
{
$jobs = $this->getExpiredJobs($from, $time = $this->getTime());
if (count($jobs) > 0)
{
$this->removeExpiredJobs($from, $time);
call_user_func_array(array($this->redis, 'rpush'), array_merge(array($to), $jobs));
}
}
/**
* Get the delayed jobs that are ready.
*
* @param string $queue
* @param int $time
* @return array
*/
protected function getExpiredJobs($queue, $time)
{
return $this->redis->zrangebyscore($queue, '-inf', $time);
}
/**
* Remove the delayed jobs that are ready for processing.
*
* @param string $queue
* @param int $time
* @return void
*/
protected function removeExpiredJobs($queue, $time)
{
$this->redis->zremrangebyscore($queue, '-inf', $time);
}
/**
* Create a payload string from the given job and data.
*
* @param string $job
* @param mixed $data
* @param string $queue
* @return string
*/
protected function createPayload($job, $data = '', $queue = null)
{
$payload = parent::createPayload($job, $data);
$payload = $this->setMeta($payload, 'id', $this->getRandomId());
return $this->setMeta($payload, 'attempts', 1);
}
/**
* Get a random ID string.
*
* @return string
*/
protected function getRandomId()
{
return str_random(20);
}
/**
* Get the queue or return the default.
*
* @param string|null $queue
* @return string
*/
protected function getQueue($queue)
{
return 'queues:'.($queue ?: $this->default);
}
/**
* Get the underlying Redis instance.
*
* @return \Illuminate\Redis\Database
*/
public function getRedis()
{
return $this->redis;
}
}
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