/// <summary>
/// 通知Mq消息处理结果
/// </summary>
/// <param name="ea"></param>
/// <param name="currentConsumerLoopChannel"></param>
/// <param name="consumeHandleResult"></param>
/// <param name="storedException"></param>
private void AcknowledgeMessage(BasicDeliverEventArgs ea, IModel currentConsumerLoopChannel, ConsumeHandleResult consumeHandleResult, object storedException = null)
{
try
{
switch (consumeHandleResult)
{
case ConsumeHandleResult.Act:
currentConsumerLoopChannel.BasicAck(deliveryTag: ea.DeliveryTag, multiple: false);
//重试消息处理逻辑
if (ea.BasicProperties.MessageId.IsNotNullOrWhitespace())
{
var messageId = ea.BasicProperties.MessageId;
var consumerErrorMessageRepository = ServiceProvider.GetService <IConsumerErrorMessageStore>();
consumerErrorMessageRepository.DeleteAsync(messageId.SafeToObjectId()).Wait();
}
break;
case ConsumeHandleResult.ActAndMoveToErrorQueue:
currentConsumerLoopChannel.BasicAck(deliveryTag: ea.DeliveryTag, multiple: false);
//重试消息处理逻辑
if (ea.BasicProperties.MessageId.IsNotNullOrWhitespace())
{
var messageId = ea.BasicProperties.MessageId;
var consumerErrorMessageRepository = ServiceProvider.GetService <IConsumerErrorMessageStore>();
var message = consumerErrorMessageRepository.GetByIdAsync(messageId.SafeToObjectId()).Result;
message.ProcessTimes += 1; //已重试次数+1
var originalBodyMessage = Encoding.UTF8.GetString(ea.Body);
var orignalBodyMessageObject = BsonSerializer.Deserialize <BsonDocument>(originalBodyMessage);
var update = Builders <ConsumerErrorMessage> .Update
.Set(x => x.ProcessTimes, message.ProcessTimes)
.Set(x => x.RetryTime, DateTime.Now)
.Set(x => x.RetryNow, 0)
.Set(x => x.RetryLock, null)
.Set(x => x.Exception, storedException.ToBsonDocument())
.Set(x => x.LastedOriginalMessage, orignalBodyMessageObject)
.Set(x => x.NextRetryTime, DateTime.Now.AddMinutes(Math.Pow(_retryTimeSpanBaseSeconds, message.ProcessTimes)));//计算下次重试时间
consumerErrorMessageRepository.UpdateAsync(Builders <ConsumerErrorMessage> .Filter.Eq(x => x.Sysid, messageId.SafeToObjectId()), update).Wait();
}
else
{
//如当前Consumer开启MoveToErrorQueue则推送到错误队列
if (MoveToErrorQueueWhenErrorOccured)
{
var originalBodyMessage = Encoding.UTF8.GetString(ea.Body);
var orignalBodyMessageObject = JObject.Parse(originalBodyMessage);
var errorMessageModel = new
{
RoutingKey = ea.RoutingKey,
Exchange = ea.Exchange,
Logged = DateTime.Now,
OrignalMessage = orignalBodyMessageObject,
Exception = storedException,
CanRetry = MessageCanRetryWhenErrorOccured ? 1 : 0,
ProcessTimes = 1,
NextRetryTime = DateTime.Now.AddMinutes(Math.Pow(_retryTimeSpanBaseSeconds, 1)) //计算第二次的重试时间
};
var uncompressedMessage = MessageHelper.GetMessage(JsonConvert.SerializeObject(errorMessageModel, new JsonSerializerSettings()
{
ReferenceLoopHandling = ReferenceLoopHandling.Ignore
}), Encoding.UTF8);
var sendMessage = MessageHelper.CompressMessage(uncompressedMessage, CompressionTypes.None);
RecordConsumerError(ea.RoutingKey, sendMessage);
}
}
break;
case ConsumeHandleResult.Reject:
currentConsumerLoopChannel.BasicReject(ea.DeliveryTag, true); //拒绝消息, 重新插入队列
break;
default:
break;
}
}
catch (Exception ex)
{
_logger.LogError($"MessageConsume消息消费发生异常之后, 在处理异常的过程中再次发生错误, EXType:{ex.GetType().FullName} 错误详细信息: {ex.FullMessage()}");
}
}
/// <summary>
/// 消息的接收事件处理
/// </summary>
/// <param name="sender"></param>
/// <param name="ea"></param>
private void ConsumerReceiveHandler(object sender, BasicDeliverEventArgs ea)
{
StopwatchAction((stopwatch) =>
{
//If the channel is closed, directly return no need to handle;
var currentConsumerLoopChannel = (sender as IBasicConsumer)?.Model;
if (currentConsumerLoopChannel == null || currentConsumerLoopChannel.IsClosed)
{
return;
}
if (CancellationToken.IsCancellationRequested)
{
StopConsume();//释放本地对象
return;
}
ConsumeHandleResult consumeHandleResult = ConsumeHandleResult.Act;
try
{
var bodyMessage = Encoding.UTF8.GetString(ea.Body);
var cts = new CancellationTokenSource(HostingEnvironment?.IsDevelopment() ?? false ? TimeSpan.FromMinutes(30) : TimeSpan.FromMinutes(30));
using (var serviceScope = ServiceProvider.CreateScope())
{
ConsumerAsync(ea, bodyMessage, serviceScope.ServiceProvider).Wait(cts.Token);
}
consumeHandleResult = ConsumeHandleResult.Act;
AcknowledgeMessage(ea, currentConsumerLoopChannel, consumeHandleResult);
}
catch (AggregateException ex)
{
_logger.LogError(ex, $"消息消费时出现异常,将推送到消费错误队列进行人工处理, 详细错误:{ex.FullMessage()}");
consumeHandleResult = ConsumeHandleResult.ActAndMoveToErrorQueue;
var storedException = ex.InnerExceptions.Select(x => new { Message = x.FullMessage(), StackTrace = x.FullStacktrace(), ExType = x.FullExType() }).ToList();
AcknowledgeMessage(ea, currentConsumerLoopChannel, consumeHandleResult, new { Errors = storedException });
}
catch (TaskCanceledException ex)
{
consumeHandleResult = ConsumeHandleResult.ActAndMoveToErrorQueue;
_logger.LogError(ex, $"消息消费出现[TaskCanceledException]异常,并将推送到消费错误队列进行人工处理, 详细错误:{ex.FullMessage()}");
var storedException = new { Message = ex.FullMessage(), StackTrace = ex.FullStacktrace(), ExType = ex.FullExType() };
AcknowledgeMessage(ea, currentConsumerLoopChannel, consumeHandleResult, storedException);
}
catch (OperationCanceledException ex)
{
consumeHandleResult = ConsumeHandleResult.ActAndMoveToErrorQueue;
_logger.LogError(ex, $"消息消费超时OperationCanceledException(超时时间120秒), 并将推送到消费错误队列进行人工核查处理, 详细错误:{ex.FullMessage()}");
var storedException = new { Message = ex.FullMessage(), StackTrace = ex.FullStacktrace(), ExType = ex.FullExType() };
AcknowledgeMessage(ea, currentConsumerLoopChannel, consumeHandleResult, storedException);
}
catch (Exception ex)
{
consumeHandleResult = ConsumeHandleResult.ActAndMoveToErrorQueue;
_logger.LogError(ex, $"消息消费出现异常[{ex.GetType().FullName}],并将推送到消费错误队列进行人工处理, 详细错误:{ex.FullMessage()}");
var storedException = new { Message = ex.FullMessage(), StackTrace = ex.FullStacktrace(), ExType = ex.FullExType() };
AcknowledgeMessage(ea, currentConsumerLoopChannel, consumeHandleResult, storedException);
//only no particular exception have the retry
}
}, SessionName + " consumer message used:{0} ms", sw =>
{
//todo: 耗时分析
});
}