[zeromq-dev] XPUB: test for subscribed topic?

[Michael Haberler]

> Am 18.09.2015 um 13:14 schrieb Pieter Hintjens <ph at imatix.com>:
> 
> There's no way to do this. To get richer pub/sub state, I'd use
> dealer-router sockets and do the subscription management/sending
> myself.

Well the trie of subscriptions is in place, it just has no API

IOW: any objections against a stab at a libzmq-level trie accessor was_subscribed()?

I happen to dislike tracking existing state by an extra layer just because the underlying state has no API



> 
> On Fri, Sep 18, 2015 at 11:19 AM, Michael Haberler <mail17 at mah.priv.at> wrote:
>> is there a way to test if a certain topic is subscribed on an XPUB socket?  (_without_ tracking subscribe messages with VERBOSE)?
>> 
>> thanks,
>> - Michael
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