[OpenSER-Users] Presence, multiple status info handling

[Anca Vamanu]

Hi Dan,

In fact, the presence modules orders the tuples in the Notify body after 
the time the Publish was received. So, you will always have the most 
recent information first.

Regards,
Anca

Dan-Cristian Bogos wrote:
> Hi Pascal,
>
> many thanks for the tip. Looks like a nice approach on a first glance.
>
> I use sip-communicator and am in contact with the developers. Will try 
> the approach for the client then, but the idea with the timestamp on 
> the server side could help much more people hitting the same issues 
> and not able to touch their clients.
>
> Wish you a nice weekend!
>
> DanB
>
> On Sat, May 10, 2008 at 10:47 AM, Pascal Maugeri 
> <pascal.maugeri at gmail.com <mailto:pascal.maugeri at gmail.com>> wrote:
>
>     Hi
>
>     I use the <timestamp/> element (section 4.1.7 of RFC 3863) of
>     <tuple/> to detect the most recent tuple and ignore the outdated ones.
>
>     Problem, the <timestamp/> is an optional element and your clients
>     may not insert it when publishing. Do you control the client
>     source code that publishes the presence information ? If no we
>     should find a way in openser presence module to add this timestamp
>     element for you. I add a quick look at PRESENCE and PRESENCE_XML
>     but I haven't find anything yet.
>
>     Regards,
>     Pascal
>
>     On Fri, May 9, 2008 at 12:02 PM, Dan-Cristian Bogos
>     <danb.lists at googlemail.com <mailto:danb.lists at googlemail.com>> wrote:
>
>         Guys,
>
>         while dealing with presence/presence_xml modules, I came into
>         one situation when one user crashes simultaneously and each
>         time displaying different presence info (online, away,
>         offline). Have noticed that the presence server is smart
>         enough to inform all the other watchers about three different
>         status information for the same user.
>
>         My question is, how can the watcher know the most recent
>         status information. Have looked on both order of info in the
>         tuple as well as on ids but did not find any logic. Can u
>         please guide me about possibilities I have?
>
>         Thank you in advance,
>         DanB
>
>         PS: FYI, I am pasting such a tuple example.
>
>         <tuple xmlns="urn:ietf:params:xml:ns:pidf" id="t9062">
>             <status xmlns="urn:ietf:params:xml:ns:pidf">
>             <basic>closed</basic>
>              </status>
>         </tuple>
>         <dm:person xmlns:dm="urn:ietf:params:xml:ns:pidf:data-model"
>         xmlns:rpid="urn:ietf:params:xml:ns:pidf:rpid"
>         id="p8838"><rpid:activities/></dm:person>
>         <tuple xmlns="urn:ietf:params:xml:ns:pidf" id="t5358">
>         <status><basic>open</basic></status><contact>sip:user at domain.com
>         <mailto:sip%3Auser at domain.com></contact><note>Online</note>
>         </tuple>
>         <dm:person xmlns:dm="urn:ietf:params:xml:ns:pidf:data-model"
>         xmlns:rpid="urn:ietf:params:xml:ns:pidf:rpid"
>         id="p4226"><rpid:activities><rpid:away/></rpid:activities></dm:person>
>         <tuple xmlns="urn:ietf:params:xml:ns:pidf" id="t7139">
>         <status><basic>open</basic></status><contact>sip:user at domain.com
>         <mailto:sip%3Auser at domain.com></contact><note>Away</note>
>         </tuple>
>         <dm:person xmlns:dm="urn:ietf:params:xml:ns:pidf:data-model"
>         xmlns:rpid="urn:ietf:params:xml:ns:pidf:rpid"
>         id="p4606"><rpid:activities/></dm:person>
>         <tuple xmlns="urn:ietf:params:xml:ns:pidf" id="t5632">
>         <status><basic>open</basic></status><contact>sip:user at domain.com
>         <mailto:sip%3Auser at domain.com></contact><note>Online</note>
>         </tuple></presence>
>
>
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