public function save(Queue $queue)
{
if ($queue->getId()) {
$query = $this->dbAdapter->query('UPDATE `queues` SET `name` = :name WHERE `id = :id`');
$query->execute($queue->getArrayCopy());
} else {
$query = $this->dbAdapter->query("INSERT INTO `queues` (`name`) VALUES (:name)");
$query->execute(['name' => $queue->getName()]);
$queue->setId($this->dbAdapter->getDriver()->getLastGeneratedValue());
}
return $queue;
}
public function view()
{
$this->assertLoggedIn();
$this->set('area', 'queues');
try {
//how do we find them?
if ($this->args('id')) {
$q = new Queue($this->args('id'));
} else {
throw new Exception("Could not find that queue.");
}
//did we really get someone?
if (!$q->isHydrated()) {
throw new Exception("Could not find that queue.");
}
if (!$q->isMine()) {
throw new Exception("You do not have permission to view this queue.");
}
$this->setTitle("View Queue - " . $q->getName());
$this->set('queue', $q);
$available = $q->getJobs('available', 'user_sort', 'ASC');
$this->set('available', $available->getRange(0, 20));
$this->set('available_count', $available->count());
$taken = $q->getJobs('taken', 'user_sort', 'DESC');
$this->set('taken', $taken->getRange(0, 20));
$this->set('taken_count', $taken->count());
$complete = $q->getJobs('complete', 'user_sort', 'DESC');
$this->set('complete', $complete->getRange(0, 20));
$this->set('complete_count', $complete->count());
$qa = $q->getJobs('qa', 'finished_time', 'DESC');
$this->set('qa', $qa->getRange(0, 20));
$this->set('qa_count', $qa->count());
$failure = $q->getJobs('failure', 'user_sort', 'DESC');
$this->set('failure', $failure->getRange(0, 20));
$this->set('failure_count', $failure->count());
$this->set('stats', QueueStats::getStats($q));
$bots = $q->getBots();
$this->set('bots', $bots->getRange(0, 20));
$this->set('bot_count', $bots->count());
$this->set('errors', $q->getErrorLog()->getRange(0, 50));
} catch (Exception $e) {
$this->setTitle('View Queue - Error');
$this->set('megaerror', $e->getMessage());
}
}
/**
* Select unselected messages from queue
*
* @param Queue $queue
* @param int $max
* @param int $timeout
* @throws Exception
* @return \ArrayObject
*/
private function receiveQueueMessages(Queue $queue, $max, $timeout)
{
$messages = array();
$microtime = microtime(true);
// cache microtime
$db = $this->getDb();
$qid = $this->getQueueId($queue->getName());
// start transaction handling
try {
if ($max > 0) {
$db->beginTransaction();
$sql = "SELECT *\n FROM message\n WHERE queue_id = :queue_id\n AND (handle IS NULL OR timeout+" . (int) $timeout . " < " . (int) $microtime . ")\n LIMIT " . $max;
$stmt = $db->prepare($sql);
$stmt->execute(array('queue_id' => $qid));
foreach ($stmt->fetchAll() as $data) {
$data['handle'] = md5(uniqid(rand(), true));
$sql = "UPDATE message\n SET\n handle = :handle,\n timeout = :timeout\n WHERE\n message_id = :id\n AND (handle IS NULL OR timeout+" . (int) $timeout . " < " . (int) $microtime . ")";
$stmt = $db->prepare($sql);
$stmt->bindParam(':handle', $data['handle'], \PDO::PARAM_STR);
$stmt->bindParam(':id', $data['message_id'], \PDO::PARAM_STR);
$stmt->bindValue(':timeout', $microtime);
$updated = $stmt->execute();
if ($updated) {
$messages[] = $data;
}
}
$db->commit();
}
} catch (\Exception $e) {
$db->rollBack();
throw $e;
}
$m = array();
foreach ($messages as $msg) {
$message = unserialize(base64_decode($msg['body']));
if ($message instanceof Message) {
$message->message_id = $msg['message_id'];
$m[] = $message;
}
}
return new \ArrayObject($m);
}
public function testGetQueueName()
{
$queueName = 'testQueueName-cz:xy';
$queue = new Queue($this->redis, $queueName);
$this->assertSame($queueName, $queue->getName());
}
/**
* Pops an element form the queue and atomically pushes into another queue
* Blocks $timeout if there is no element to pop.
*
* @param Queue $target Popped element is pushed to this queue
* @param int $timeout After $timeout seconds null is returned if queue is empty
*
* @return mixed element being popped and pushed, null on timeout
*
* @link http://redis.io/commands/brpoplpush
*/
public function blockingDequeueEnqueue(Queue $target, $timeout)
{
return $this->client->brpoplpush($this->getName(), $target->getName(), $timeout);
}