[zeromq-dev] XPUB unsubscriptions with ZMQ_XPUB_MANUAL

[Fedor Sheremetyev]

Hi,

I'm experimenting with "manual" mode of XPUB and see that on client
disconnection socket generates messages indicating unsubscription in terms
of *topics* rather than custom messages provided by the client. This seems
to be inconsistent with explicit unsubscription initiated by the client.
This is also not very convenient because prevents matching of
subscriptions/unsubscriptions per client.

I wonder if there is a good reason for this behaviour? Maybe providing
original messages and letting the publisher translate them into topic-based
unsubscriptions would be more symmetrical?

Thanks,
Fedor
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