[jdev] Initial presence and contact capabilities

Jonathan Schleifer js-jdev at webkeks.org
Thu Dec 4 09:10:25 CST 2008

Am 04.12.2008 um 16:01 schrieb Tomasz Sterna:

> This is possible already without any additional XEP.
> Just push <presence/> packets after an S2S connection is established.
> And it is implementable both sides.
> Your server could also pull all required presence states with
> presence-probes to users on rosters of its users.

That's the problem, the presences are often not synced when an s2s  
connection is established. Not all presences are pushed out in the s2s  
connection. And offline presences often aren't as well, so that people  
are online for ages. Sending all of them, even the offline ones, in  
one stanza would fix that.

> I am not aware of any server that does that though, but I am not
> familiar with the commercial ones.
> But... all transports I've written works similar way - pulling all
> registered users presences with probes after the T2S
> (Transport-2-Server) connection establishment.

pyICQ-t does that, IIRC. It also sends presence for all offline users.

PS: I'd prefer to continue this discussion on the standards list.


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