[zeromq-dev] Binding to TCP port 0

Ian Barber ian.barber at gmail.com
Thu Jan 26 09:17:59 CET 2012

On Thu, Jan 26, 2012 at 4:05 AM, Martin Lucina <martin at lucina.net> wrote:

> > It is bad design process to exaggerate the user's requirements into
> > absurd extremity and then state there is no simple solution. It's far
> > wiser to understand the actual problem people are trying to solve, and
> > solve that simply and minimally.
> Given that an API will stick around for a long time, it is good API
> design process to extrapolate current and possible future use cases
> and arrive at the simplest possible API covering all these use cases.

Is it possible that this API should simply be on a different calls, a
zmq_bind_assign or similar, to avoid this clash? This could then work with
all transports:

tcp/pgm: bind to random port
ipc: bind to random free name in system tmp
inproc: bind to random free name

That can either have a return parameter which gives you the bound address,
or it can be passed back via a second argument or similar.

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