public void Execute(OnHandleRequest pipelineEvent)
{
Guard.AgainstNull(pipelineEvent, nameof(pipelineEvent));
var state = pipelineEvent.Pipeline.State;
var transportFrame = state.Get <TransportFrame>(StateKeys.TransportFrame);
var message = state.Get <object>(StateKeys.Message);
Response response;
var queue = _queueManager.GetQueue(_configuration.GetQueue(transportFrame.QueueName).Uri);
switch (message)
{
case AcknowledgeRequest request:
{
queue.Acknowledge(request.AcknowledgementToken);
response = new Response();
break;
}
case EnqueueRequest request:
{
queue.Enqueue(request.TransportMessage, new MemoryStream(request.StreamBytes));
response = new Response();
break;
}
case GetMessageRequest _:
{
var receivedMessage = queue.GetMessage();
response = new GetMessageResponse
{
AcknowledgementToken = receivedMessage?.AcknowledgementToken,
StreamBytes = receivedMessage?.Stream.ToBytes()
};
receivedMessage?.Stream.Dispose();
break;
}
case IsEmptyRequest _:
{
response = new IsEmptyResponse {
Result = queue.IsEmpty()
};
break;
}
case ReleaseRequest request:
{
queue.Release(request.AcknowledgementToken);
response = new Response();
break;
}
default:
{
throw new ApplicationException(string.Format(NetMQ.Resources.UnknownRequestType,
message.GetType().FullName));
}
}
var type = response.GetType();
state.Replace(StateKeys.Response, response);
state.Replace(StateKeys.TransportFrame, new TransportFrame
{
QueueName = transportFrame.QueueName,
AssemblyQualifiedName = type.AssemblyQualifiedName,
MessageType = type.FullName
});
}
