private void OnTimeoutCallback(object state)
{
var haveTimeoutMessages = false;
timeoutMessageIds.Read(reader => haveTimeoutMessages = reader.HasAnyBefore(CurrentTime));
if (!haveTimeoutMessages)
{
return;
}
timeoutMessageIds.Write(writer =>
{
KeyValuePair <DateTime, List <string> > pair;
while (writer.TryRemoveFirstUntil(CurrentTime, out pair))
{
if (pair.Key > CurrentTime)
{
return;
}
foreach (string messageId in pair.Value)
{
Uri queueUri = null;
try
{
using (var queue = parentTransport.CreateQueue())
using (var tx = new TransactionScope())
{
queueUri = queue.RootUri;
logger.DebugFormat("Moving message {0} to main queue: {1}", messageId, queueUri);
queueStrategy.MoveTimeoutToMainQueue(queue, messageId);
tx.Complete();
}
}
catch (InvalidOperationException)
{
logger.DebugFormat("Could not move message {0} to main queue: {1}", messageId, queueUri);
if ((CurrentTime - pair.Key).TotalMinutes >= 1.0D)
{
logger.DebugFormat("Tried to send message {0} for over a minute, giving up", messageId);
continue;
}
writer.Add(pair.Key, messageId);
logger.DebugFormat("Will retry moving message {0} to main queue {1} in 1 second", messageId, queueUri);
}
catch (Exception e) { logger.Error("Could not move message " + messageId + " from timeout queue", e); }
}
}
});
}