示例#1
0
        public override void PollQueue()
        {
            CloudStorageAccount account = QueueAccount;
            var      queue             = new MessageQueue <TMessage>(account);
            var      frequencer        = Frequencer;
            bool     useDefaultTimeout = !Consumer.EstimatedTimeToProcessMessageBlock.HasValue;
            TimeSpan defaultTimeout    = useDefaultTimeout ?  TimeSpan.FromSeconds(1): Consumer.EstimatedTimeToProcessMessageBlock.Value;

            while (true)
            {
                try
                {
                    var message = useDefaultTimeout ? queue.Dequeue() : queue.Dequeue(defaultTimeout);
                    if (message != null)
                    {
                        try
                        {
                            Consumer.ProcessMessages(message);
                            queue.Remove(message);
                        }
                        catch (Exception e)
                        {
                            OnProcessMessageLogException(message, e);
                        }
                        finally
                        {
                            frequencer.Decrease();
                        }
                    }
                    else
                    {
                        Thread.Sleep(frequencer.Current);
                    }
                }
                catch (Exception e)
                {
                    OnDequeueLogException(e);
                    Thread.Sleep(5 * 1000);
                }
            }
        }
        public override void PollQueue()
        {
            CloudStorageAccount account = QueueAccount;
            var queue        = new MessageQueue <TMessage>(account);
            var queueRemover = GetQueueRemover(queue);
            IPollingFrequencer frequencer = Frequencer;
            bool     useDefaultTimeout    = !Consumer.EstimatedTimeToProcessMessageBlock.HasValue;
            TimeSpan defaultTimeout       = useDefaultTimeout ? TimeSpan.FromSeconds(30) : Consumer.EstimatedTimeToProcessMessageBlock.Value;

            while (true)
            {
                try
                {
                    var messages = useDefaultTimeout ? queue.Dequeue(Consumer.BlockSize).ToList() : queue.Dequeue(Consumer.BlockSize, defaultTimeout).ToList();
                    if (messages.Count > 0)
                    {
                        try
                        {
                            Consumer.ProcessMessagesGroup(queueRemover, messages);
                        }
                        catch (Exception e)
                        {
                            OnProcessMessageLogException(messages, e);
                        }
                        finally
                        {
                            frequencer.Decrease();
                        }
                    }
                    else
                    {
                        Thread.Sleep(frequencer.Current);
                    }
                }
                catch (Exception e)
                {
                    OnDequeueLogException(e);
                    Thread.Sleep(5 * 1000);
                }
            }
        }