/// <summary> /// /// </summary> /// <param name="stoppingToken"></param> /// <returns></returns> protected override Task ExecuteAsync(CancellationToken stoppingToken) { using var scope = _serviceScopeFactory.CreateScope(); var channel = scope.ServiceProvider.GetRequiredService <RabbitMqConnectionFactory>().Channel(); var exchangeName = scope.ServiceProvider.GetRequiredService <IOptions <RabbitMqConfigParams> >().Value.ExchangeName; var retryDomainEventExchange = RabbitMqExchangeNameFormatter.Retry(exchangeName); var deadLetterDomainEventExchange = RabbitMqExchangeNameFormatter.DeadLetter(exchangeName); channel.ExchangeDeclare(exchangeName, ExchangeType.Topic); channel.ExchangeDeclare(retryDomainEventExchange, ExchangeType.Topic); channel.ExchangeDeclare(deadLetterDomainEventExchange, ExchangeType.Topic); foreach (var subscriberInformation in DomainEventSubscriberInformationService.All()) { var domainEventsQueueName = RabbitMqQueueNameFormatter.Format(subscriberInformation); var retryQueueName = RabbitMqQueueNameFormatter.FormatRetry(subscriberInformation); var deadLetterQueueName = RabbitMqQueueNameFormatter.FormatDeadLetter(subscriberInformation); var subscribedEvent = EventNameSubscribed(subscriberInformation); var queue = channel.QueueDeclare(domainEventsQueueName, true, false, false); var retryQueue = channel.QueueDeclare(retryQueueName, true, false, false, RetryQueueArguments(exchangeName, domainEventsQueueName)); var deadLetterQueue = channel.QueueDeclare(deadLetterQueueName, true, false, false); channel.QueueBind(queue, exchangeName, domainEventsQueueName); channel.QueueBind(retryQueue, retryDomainEventExchange, domainEventsQueueName); channel.QueueBind(deadLetterQueue, deadLetterDomainEventExchange, domainEventsQueueName); channel.QueueBind(queue, exchangeName, subscribedEvent); } return(scope.ServiceProvider.GetRequiredService <RabbitMqDomainEventsConsumer>().Consume()); }
private void SendToRetry(BasicDeliverEventArgs ea, string queue) { SendMessageTo(RabbitMqExchangeNameFormatter.Retry(_rabbitMqParams.Value.ExchangeName), ea, queue); }