function receiveMessage($queue)
{
while (true) {
if (Redis::setnx('cinnamon-lock-' . $queue, 1)) {
Redis::expire('cinnamon-lock-' . $queue, 1);
$return = Redis::zrange('cinnamon-queue-' . $queue, 0, 1);
if (isset($return[0])) {
$return = $return[0];
if ($return) {
Redis::zrem('cinnamon-queue-' . $queue, $return);
}
} else {
$return = null;
}
Redis::del('cinnamon-lock-' . $queue);
try {
if ($return) {
return json_decode($return, true);
}
} catch (Exception $e) {
continue;
}
return null;
}
usleep(20000);
}
return null;
}