" every write must be followed by a read before another write is performed."

I won't assume for the moment that this is exactly what you need. If it is,
disregard my reply.

Another option is to simply use an agent to send data, and register
callbacks in an atom. Each sent message gets an ID (auto incrementing
long). O0n the response, the remote end sends back that id. Something like
"ACK:42". The reader on the local end looks in the atom for a callback with
that ID and dispatches it. So one thread for reading, one for writing, and
an atom to track IDs and callbacks. You could configure this a dozen ways
(perhaps using locks instead of callbacks).

Your throughput will be much higher with this sort of approach as messages
can be interleaved, if you send one message that takes 10 seconds to get a
reply it won't hang the entire connection for that time. Async is the way
to go.

And all this interops very cleanly with core.async. But if you can't do it
this way (for example you don't control the remote end) then just lock the
entire connection and deal with the problems that arise from that approach.

Timothy


On Tue, Jun 3, 2014 at 8:50 AM, Joachim De Beule <joachim.de.be...@gmail.com
> wrote:

> That's indeed what I needed! Thanks!!
>
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