public async Task ReDeliverStuckMessage(Data.DataContext _context)
{
DateTime DeservedTimeForError = DateTime.Now.AddMinutes(-_config.ReDelivery.MaxTotalMinuteForError);
DateTime DeservedTimeForInProducer = DateTime.Now.AddMinutes(-_config.ReDelivery.MaxTotalMinuteForInProducer);
List <Message> stuckMessages = await _context.Messages.Where(m =>
(m.Status == MessageStatuses.ERROR && m.UpdatedAt <= DeservedTimeForError) ||
(m.Status == MessageStatuses.INPRODUCER && m.UpdatedAt <= DeservedTimeForInProducer))
.ToListAsync();
foreach (Message message in stuckMessages)
{
// stuck message, log it
if (message.ReDeliveryTimes >= _config.ReDelivery.MaxRetryTimes)
{
using var transaction = _context.Database.BeginTransaction();
StuckMessage stuckMessage = _mapper.Map <StuckMessage>(message);
stuckMessage.StuckReason = MessageStuckReasons.MAX_RETRY_EXCEED;
await _context.StuckMessages.AddAsync(stuckMessage);
_context.Messages.Remove(message);
await _context.SaveChangesAsync();
transaction.Commit();
}
else
{
await _queueService.ReScheduleMessage(message);
}
}
}
private async Task HandleBasicNack(ulong DeliveryTag, bool IsMultiple)
{
using (var scope = _provider.CreateScope())
{
DataContext _context = scope.ServiceProvider.GetRequiredService <DataContext>();
IMapper _mapper = scope.ServiceProvider.GetRequiredService <IMapper>();
List <Guid> MessageIds = GetOutstandingConfirm(DeliveryTag, IsMultiple);
List <Message> messages = await _context.Messages.Where(m => MessageIds.Contains(m.Id)).ToListAsync();
List <StuckMessage> stuckMessages = new();
foreach (Message msg in messages)
{
// prepare stuck message record
StuckMessage stuckMessage = _mapper.Map <StuckMessage>(msg);
stuckMessage.StuckReason = MessageStuckReasons.QUEUE_NACK;
stuckMessages.Add(stuckMessage);
msg.Status = MessageStatuses.LOGGED;
msg.UpdatedAt = DateTime.Now;
}
using (var transaction = _context.Database.BeginTransaction())
{
if (messages.Count >= _config.DBConfig.DeservedBulk)
{
await _context.BulkDeleteAsync(messages, options => options.PropertiesToInclude = new List <string>() { nameof(Message.Status), nameof(Message.UpdatedAt) });
}
else
{
_context.Messages.RemoveRange(messages);
}
if (stuckMessages.Count >= _config.DBConfig.DeservedBulk)
{
await _context.BulkInsertAsync(stuckMessages);
}
else
{
await _context.StuckMessages.AddRangeAsync(stuckMessages);
}
await _context.SaveChangesAsync();
transaction.Commit();
}
}
RemoveOutstandingConfirm(DeliveryTag, IsMultiple);
}
