public override void HandleBasicDeliver(string consumerTag, ulong deliveryTag, bool redelivered, string exchange, string routingKey,
IBasicProperties properties, ReadOnlyMemory <byte> body)
{
var envelope = Envelope.Create(deliveryTag, redelivered, exchange, routingKey);
var message = new IncomingMessage(ByteString.CopyFrom(body.ToArray()), envelope, properties);
var committableMessage =
new CommittableIncomingMessage(
message,
ack: multiple =>
{
var promise = new TaskCompletionSource <Done>();
_commitCallback(new AckArguments(message.Envelope.DeliveryTag, multiple, promise));
return(promise.Task);
},
nack: (multiple, requeue) =>
{
var promise = new TaskCompletionSource <Done>();
_commitCallback(new NackArguments(message.Envelope.DeliveryTag, multiple, requeue, promise));
return(promise.Task);
}
);
_consumerCallback?.Invoke(committableMessage);
}
private void HandleDelivery(CommittableIncomingMessage message)
{
if (IsAvailable(_stage.Out))
{
PushMessage(message);
}
else
{
if (_queue.Count + 1 > _stage.BufferSize)
{
FailStage(new ApplicationException($"Reached maximum buffer size {_stage.BufferSize}"));
}
else
{
_queue.Enqueue(message);
}
}
}
private void PushMessage(CommittableIncomingMessage message)
{
Push(_stage.Out, message);
_unackedMessages++;
_outstandingMessages -= 1;
}
public Commit(CommittableIncomingMessage m)
{
AckCommand = m.Ack;
NackCommand = m.Nack;
}
