[OpenSIPS-Users] Question Regarding Watchers table.

[Adrian Georgescu]

Can you paste sample xcap files gnerated by your client?

Adrian

On Apr 21, 2010, at 1:37 PM, Laurent Etiemble wrote:

> Hello,
>
> This behavior is described in the "Implementation Guidelines for OMA  
> XDM v1.1" (http://www.openmobilealliance.org/Technical/release_program/docs/CopyrightClick.aspx?pck=XDM_PRS_IMPL&file=V1_0-20080627-C/OMA-WP-XDM_1_1_Implementation_Guidelines-20080627-C.pdf 
> ), with some nice graphes in the appendixes. They recommend the use  
> of lists for RLS and Pres-Rules to avoid duplication and ease the  
> grant of services.
>
> Moreover, Mercuro is heavily based on the RCS specifications. In the  
> "RCS Release 3 Technical Realisation" (http://www.gsmworld.com/documents/Service_Realization_v1.0(1).pdf 
> ), you will find that a RCS client should only modify the lists  
> inside the resource-lists document, once all documents have been  
> created (chapter 6.4.3 XML Document Handling).
>
> Regards, Laurent Etiemble.
>
> 2010/4/21 Adrian Georgescu <ag at ag-projects.com>
>
> On Apr 21, 2010, at 12:47 PM, Laurent Etiemble wrote:
>
>> Hello,
>>
>> Mercuro does not modify the presence rules when it accepts a  
>> subscription, because it deals with lists instead of individual  
>> entries:
>> 1) A subscription request is received by Mercuro and presented to  
>> the user
>> 2) The user accepts the subscription. Mercuro put the contact  
>> inside the allowed list.
>
>> 3) The presence server detects that a list linked to a presence  
>> rule has been changed. It sends any needed notification.
>
> It could be done.
>
> However this requires processing in the server (potentially both  
> Presence Agent and XCAP) based on some heuristics criteria unless  
> there is something standardized about this behaviour. Different  
> clients may also do different things.
>
> Is there any normative reference for this that you know of?
>
> Adrian
>
>
>>
>> The point is that if you have presence rules that apply to lists  
>> (in pres-rules), any modification of these lists (in resource- 
>> lists) must trigger a computation of the presence rules, to check  
>> if notifications are needed.
>>
>> Regards, Laurent Etiemble.
>>
>> Need an IMS Client ?
>> Try out Mercuro IMS Client.
>> More info at http://www.mercuro.net/
>>
>> 2010/4/21 Adrian Georgescu <ag at ag-projects.com>
>> If pres-rules document does not change, no call to refreshWatchers()
>> will occur.
>>
>> The client must update his presence rules when accepting a  
>> subscription.
>>
>> Adrian
>>
>> On Apr 21, 2010, at 12:04 PM, calment wrote:
>>
>> >
>> >
>> > calment wrote:
>> >>
>> >> I'm not a python expert but I have some time to spend on this  
>> issue
>> >> so I
>> >> just plunge to the code to seek the problem. Let me know if you  
>> found
>> >> something.
>> >>
>> >
>> > Ok, I've checked the OpenXcap code. In backend/opensips.py I can  
>> see
>> > that a
>> > refreshWatcherMessage is sent if application_id is either "pres-
>> > rules" or
>> > "org.openmobilealliance.pres-rules" or "pidf-manipulation".
>> > Indeed, when Mercuro Client log for the first time, it HTTP PUT a
>> > org.openmobilealliance.pres-rules message (along with 2 resource-
>> > lists and 1
>> > rls-services) which make openXcap send a refreshWatcher message.
>> >
>> > The problem is that, when Mercuro accept to be viewed by a another
>> > contact
>> > (after a SIP NOTIFY presence.winfo), it does not send an
>> > org.openmobilealliance.pres-rules again. It justs add the contact  
>> in
>> > its
>> > buddylist by sending 2 "resource-lists" (index and
>> > properties-resource-list.xml) and obviously it doesn't make  
>> OpenXcpa
>> > to send
>> > a refreshWatchers message.
>> >
>> > Actualy I really wonder if the problem comes from the Mercuro  
>> Bronze
>> > 4.0.1624.0 client. But due to my misknowledge of xcap, I'm unable  
>> to
>> > determine.
>> >
>> > Could somebody point me a simple explanation of this technology ?
>> >
>> > Regards,
>> >
>> >
>> > --
>> > View this message in context: http://n2.nabble.com/Question-Regarding-Watchers-table-tp3856740p4936064.html
>> > Sent from the OpenSIPS - Users mailing list archive at Nabble.com.
>> >
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>> >
>>
>>
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