private void ProcessQueue(string queue, RedisConnection connection)
{
// Allowing only one server at a time to process the timed out
// jobs from the specified queue.
Logger.DebugFormat("Acquiring the lock for the fetched list of the '{0}' queue...", queue);
using (RedisLock.Acquire(connection.Redis, _storage.GetRedisKey($"queue:{queue}:dequeued:lock"), _options.FetchedLockTimeout))
{
Logger.DebugFormat("Looking for timed out jobs in the '{0}' queue...", queue);
var jobIds = connection.Redis.ListRange(_storage.GetRedisKey($"queue:{queue}:dequeued"));
var requeued = 0;
foreach (var jobId in jobIds)
{
if (RequeueJobIfTimedOut(connection, jobId, queue))
{
requeued++;
}
}
if (requeued == 0)
{
Logger.DebugFormat("No timed out jobs were found in the '{0}' queue", queue);
}
else
{
Logger.InfoFormat(
"{0} timed out jobs were found in the '{1}' queue and re-queued.",
requeued,
queue);
}
}
}
public override IDisposable AcquireDistributedLock([NotNull] string resource, TimeSpan timeout)
{
return(RedisLock.Acquire(Redis, _storage.GetRedisKey(resource), timeout));
}