[Devel] Re: [Users] new set of modules: presence user agent client implementations

[Daniel-Constantin Mierla]

Hello Klaus,

On 12/07/06 16:15, Klaus Darilion wrote:
> Hi Daniel!
>
> This looks like great features.
>
> One comment about your sample config:
>
>     if( is_method("PUBLISH|SUBSCRIBE|NOTIFY"))
>             route(2);
>
> Why send you NOTIFY to route 2 where they will discarded?
it was forgotten there from some test case I tried. I updated the online 
files. Thanks for reporting it.

Cheers,
Daniel

>
> regards
> klaus
>
> Daniel-Constantin Mierla wrote:
>> Hello everybody,
>>
>> during last week a new set of modules have been introduced to CVS 
>> repository. They are prefixed with 'pua'  which stands for 'presesece 
>> user agent'. There is one module actually having the name 'pua', 
>> which implements the common API needed by other modules from this 
>> category.
>>
>> At this moment there are two modules which behave as presence user 
>> agent for user location records (pua_usrloc) and presence user agent 
>> for external applications which can use new management interface (MI 
>> - via FIFO file or XMLRPC) to publish details -- this module is named 
>> pua_mi. Next step in this direction will be implementation of PUA for 
>> xmpp.
>>
>> With pua_usrloc module you can configure OpenSER to publish 
>> online/offline status in behalf of SIP devices registered to OpenSER 
>> but not supporting presence extensions. The users which have phones 
>> supporting presence extension can see if the other users are 
>> registered or not.
>>
>> pua_mi module is one very interesting. It enables external 
>> applications to publish presence information, through a FIFO file or 
>> XMLRPC at this moment. In this way, basically one adds SIMPLE support 
>> to whatever they need in a easy and comfortable manner. PUBLISH 
>> support is there, SUBSCRIBE is implemented but needs an outward 
>> communication channel from OpenSER while MI is inward.
>>
>> Having two new features in place (the MI and SIMPLE/Presence stuff), 
>> I though it may be more appealing to start trying and testing if some 
>> examples are made available. Therefore I created a dokuwiki page 
>> where you can find two shell scripts along with OpenSER configuration 
>> file.
>>
>> http://openser.org/dokuwiki/doku.php/presence:pua-modules
>>
>> One of the shell scripts publishes details from operating system: 
>> logged in users (U), system CPU usage(C), free memory (M) and load 
>> average (L).
>>
>> The other one publishes details gathered from OpenSER statistics: 
>> processed SIP requests (R), active transactions (T) and user location 
>> records (U).
>>
>> I think they are good examples to start with. I made two screenshots 
>> of XLite v3.0 subscribed to such presence information.
>> http://www.openser.org/downloads/presence/xlite-openser-system.jpg
>> http://www.openser.org/downloads/presence/xlite-openser-stats.jpg
>>
>> Readme files for these new modules:
>> http://www.openser.org/docs/modules/1.2.x/pua.html
>> http://www.openser.org/docs/modules/1.2.x/pua_mi.html
>> http://www.openser.org/docs/modules/1.2.x/pua_usrloc.html
>>
>> We have a lot of new code in place, the testing is a very appreciated 
>> help you can give.
>>
>> Cheers,
>> Daniel
>>
>>
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>
>