[zeromq-dev] REQ/REP socket with futures and promises

[Jeff Vienneau]

I'm designing a monitor and control interface for a number of services. We
need positive feedback and so I would like to use REQ/REP channels to get a
response for each request.

However, I'm concerned about the synchronous nature of the channel and the
fact that I would need to wait for each request to complete before sending
another request. I have read a bit about ROUTER/DEALER pattern and it seems
like they would work but it could use some abstraction for my purposes to
hide the routing details.

Does it make sense to use C++ 11 futures such that a request could be made
that returns a future<zmq_message>? In this way, a number of requests could
be issued and then await called on the set of futures?

The future would encapsulate the details required to correlate the request
with a response.

Has anyone mixed these concepts?

Thanks.
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