[Devel] SF.net SVN: openser: [2039] trunk/modules/presence

[Klaus Darilion]

Hi Anca!

I have another (IMO interesting) idea. What about allowing other modules 
to register a callback function just before PUBLISH body gets written 
into the presentity table.

E.g. presence module, just before it will write the XML payload into the 
presentity table, will execute the callback function, allowing 
registered modules to modify the XML body. Then the presence module 
stores the modified body into the presentity table. Further, activation 
on the body manipulation callback can be activated/deactivated from 
openser.cfg by setting a flag.

This would allow to modify published data e.g. for aggregating data 
which is available from external components.

what do you think of this?

regards
klaus

Anca-Maria Vamanu wrote:
> Hello,
> 
> It should be implemented in presence module. Only it has acces to 
> presentity_table and active_watchers table and in here notifications are 
> generated.
> Moreover this function could be generaly used no matter the event.
> 
> regards,
> 
> Anca
> 
> Klaus Darilion wrote:
> 
>> Hi Anca!
>>
>> I'm thinking about an MI function for resending NOTIFYs.
>>
>> E.g. if the presence of an user is updated by an external application 
>> which writes directly into the presence table (instead of sending a 
>> PUBLISH) I want to trigger NOTIFYs to the watchers by calling this MI 
>> function.
>>
>> Question: Where should this MI function be implemented? In presence or 
>> presence_xml module?
>>
>> regards
>> klaus
>>
>> Anca Vamanu wrote:
>>
>>> Revision: 2039
>>>           http://openser.svn.sourceforge.net/openser/?rev=2039&view=rev
>>> Author:   anca_vamanu
>>> Date:     2007-04-23 00:28:35 -0700 (Mon, 23 Apr 2007)
>>>
>>> Log Message:
>>> -----------
>>> -  Restructured the module to handle PUBLISH and SUBSCRIBE messages 
>>> and generates NOTIFY messages in a general, event independentway. It 
>>> allows registering events to it from other OpenSER modules. 
>>> presence_xml module adds events: presence, presence.winfo, dialog;sla.
>>> Modified Paths:
>>> --------------
>>>     trunk/modules/presence/README
>>>     trunk/modules/presence/doc/presence.sql
>>>     trunk/modules/presence/doc/presence_devel.sgml
>>>     trunk/modules/presence/doc/presence_user.sgml
>>>     trunk/modules/presence/event_list.c
>>>     trunk/modules/presence/event_list.h
>>>     trunk/modules/presence/notify.c
>>>     trunk/modules/presence/notify.h
>>>     trunk/modules/presence/presence.c
>>>     trunk/modules/presence/presence.h
>>>     trunk/modules/presence/presentity.c
>>>     trunk/modules/presence/publish.c
>>>     trunk/modules/presence/subscribe.c
>>>     trunk/modules/presence/subscribe.h
>>>     trunk/modules/presence/utils_func.c
>>>     trunk/modules/presence/utils_func.h
>>>
>>> Added Paths:
>>> -----------
>>>     trunk/modules/presence/bind_presence.c
>>>     trunk/modules/presence/bind_presence.h
>>>
>>>
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>>
>