private async Task OnConsumerReceived(object sender, BasicDeliverEventArgs @event)
{
InitChannel();
var messageBody = @event.Body.ToArray();
try
{
_channel.BasicAck(@event.DeliveryTag, false);
var spanContext = _tracer.CreateSpanContextFromHeaders(@event.BasicProperties.Headers);
var traceId = _tracer.ActiveSpan?.Context.TraceId;
using (_tracer.BuildSpan(nameof(OnConsumerReceived))
.AddReference(References.FollowsFrom, spanContext)
.StartActive(true))
using (_logger.BeginScope(new[] { new KeyValuePair <string, object>(nameof(traceId), traceId) }))
{
var message = Encoding.UTF8.GetString(messageBody);
await _mediator.HandleAsync(@event.RoutingKey, message);
}
}
catch (Exception ex)
{
_logger.LogError(ex, "Error occurred while message processed");
var properties = _channel.CreateBasicProperties();
properties.ContentType = "application/json";
properties.DeliveryMode = 2;
properties.Persistent = true;
//TODO: ExceptionHandler
_channel.BasicPublish(_exchangeName,
ErrorQueueKey,
true,
properties,
messageBody);
}
}