[Users] several presence question

[Daniel-Constantin Mierla]

Hello,

On 12/30/06 00:47, Klaus Darilion wrote:
> Hi!
>
> I read the docs of the presence module and have some question. Maybe
> someone can enlighten me ;-)
>
> 1. If I understand correctly, the pua module acts as a "UAC". Thus, it can
> be used to send PUBLISH or SUBSCRIBE. I wonder what is the usecase for
> sending SUBSCRIBE? Usually, a client which sends a SUBSCRIBE receives
> subsequent NOTIFY messages. How can these NOTIFY messages be handled?
>   
SUBSCRIBE is to be used first in XMPP gateway.

> 2. If an external application sends PUBLISH via the uac_mi interface, how
> can be distinguished between a "new" PUBLISH or an "update" PUBLISH? For
> example if the MI interface returns the E-Tag from the 200 Ok response
> this could be used in the next request to group identify PUBLISH reqeusts
> which belong together.
>   
E-tag will be used when the pua_mi is going to use asynchronous MI 
processing. Now it is handled as 'update'.

> 3. There is a bug in the pua module docs: the db_url(str) parameter is
> described twice.
>
> 4. The following module documentations lack of default values for the
> module parameters: pua, pua_usrloc, presence (maybe some example show the
> default value, but IMO the default value should be explicitely stated)
>   
Seems to be forgotten, it will be fixed in the next days.

> 5. How can I update the presence status from a third party application? Is
> it possible to write directly into the tables of the presence modules?
> Or can I fake an update using the pua_mi to loop a PUBLISH to itself for
> handling it afterwards with handle_publish()? May this cause problems
> because it interferes the subsequent PUBLISH request from the client
> (etag)?
>   
Now you can write in database, a cache mode is planned for the future, 
but now it uses database since published XMLs could be quite big.

Cheers,
Daniel

> regards
> Klaus
>
>
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