[OpenSIPS-Users] RLS(Resource List Server)

Anca Vamanu anca at voice-system.ro
Tue Oct 28 14:14:44 CET 2008


You can also find the slide presentation here: 
http://opensips.org/index.php?n=Resources.DocsPapPa.

Anca

Anca Vamanu wrote:
> Hi Jeon,
>
> You are missing something.
> Here is a link at the slides from the presentation I held at VON, San 
> Jose this year - http://www.slideshare.net/alwaysoncarl/vamanu-anca/ ( 
> we will put it on our site also).
> At page 24 there is a scheme with how RLS works.
> It interacts with the client by receiving a Subscribe to a list and 
> sending it an aggregate Notify.
> To get the info to put in the Notify it sends Notifies for each buddy in 
> list to the presence server ( where the clients have sent Publish 
> messages). The server will then reply with Notifies that will be 
> processed with rls_handle_notify function.
>
> regards,
> Anca
>
>
> Yoo Chan Jeon wrote:
>   
>> Hi,
>> I looked at the codes.
>> The send_full_notify() api in the rls/notif.c sends the notify msg. 
>> That api is called in the rls_handle_subscribe().
>> It is checking the rls_presentity table if the list has  presence states.
>> The rls_presentity table is written  in the rls_handle_notify() which 
>> is called if the server receives a notify msg.
>> The server recieves a subscribe(list) msg , sends a 200 msg, and a 
>> notify msg.
>> I do not think the notify msg  will never have  the presence states.
>> Is this a bug in the codes or am I missing something?
>>  
>> Thanks.
>> Jeon
>>  
>>  
>>  
>>
>>
>>  
>> On Mon, Oct 27, 2008 at 10:49 AM, Yoo Chan Jeon <yoojeon at gmail.com 
>> <mailto:yoojeon at gmail.com>> wrote:
>>
>>     Thanks Anca.
>>      
>>     I copied the xml file to the xcap.doc column. I put the
>>     username(list), doc_type(4), and domain(domain) 
>>     I published the joe, bob and tom's  state.  
>>     I sent a  subscribe msg to the list at domain <mailto:list at domain>.
>>     I received the notify msg with the following xml message body.
>>     I got a list of uri, but the xml body did not have a each uri's state.
>>     I checekd the presentity database. it has the joe, bob, and
>>     tom presentity state.
>>     What am I missing?
>>      
>>      
>>      <?xml version="1.0" encoding="UTF-8"?>
>>       <list uri="sip:list at domain" xmlns="urn:ietf:params:xml:ns:rlmi"
>>     version="1" fullState="true">
>>        <resource uri="sip: joe at domain" <mailto:joe at domain>> 
>>        <resource uri="sip: bob at domain">
>>        <resource uri="sip: tom at domain" <mailto:tom at domain%22>> 
>>        </list>
>>
>>     Thanks.
>>     Jeon
>>      
>>
>>      
>>     On Thu, Oct 23, 2008 at 7:08 AM, Anca Vamanu <anca at voice-system.ro
>>     <mailto:anca at voice-system.ro>> wrote:
>>
>>         Hi Jeon,
>>
>>         The column was changed from type text to type blob because
>>         there was a problem with postgres db. However the text is not
>>         transformed into binary but written as text and extracted as text.
>>         And yes, you should put the whole xml in the doc column.
>>
>>         regards,
>>         Anca
>>
>>         Yoo Chan Jeon wrote:
>>
>>             Hi, Anca
>>              Thanks for your information.
>>             I  was busy doing other issues in the presence server.
>>             Now I am back to this issue.
>>             I checked the xcap data structure, and source codes.
>>             The xcap doc column's type is a BLOB in the database. But
>>             I looked at the codes. It seems to save the doc  as a
>>             string not a BLOB.
>>             I am still confused.
>>             How do I save the xml sample you wrote to the doc column?
>>             I mean the list.
>>             Should I put the whole xml to the doc column in the xcap
>>             table?
>>              Thanks.
>>              Jeon
>>
>>              On Thu, Oct 2, 2008 at 9:38 AM, Anca Vamanu
>>             <anca at voice-system.ro <mailto:anca at voice-system.ro>
>>             <mailto:anca at voice-system.ro
>>             <mailto:anca at voice-system.ro>>> wrote:
>>
>>                Hi Jeon,
>>
>>                If you want to simulate an xcap server for rls you can
>>             do that by
>>                doing the following:
>>                1. set integrated_xcap_server parameter in rls module to 1.
>>                2. write the list in xcap table , putting value '4' in
>>             'doc_type'
>>                column.
>>                You should complete only columns: username, domain, doc and
>>                doc_type, because these are the only ones used by the
>>             rls server.
>>                The list must have the format described in RFC 4826
>>                <http://www.ietf.org/rfc/rfc4826.txt>. For the example
>>             that you
>>                gave it would look something like this:
>>
>>                <?xml version="1.0" encoding="UTF-8"?>
>>                <resource-lists
>>             xmlns="urn:ietf:params:xml:ns:resource-lists">
>>                <list name="SIMPLE Buddy List">
>>                <display-name>SIMPLE Buddy List</display-name>
>>                <entry uri="sip: joe at domain <mailto:joe at domain
>>             <mailto:joe at domain> <mailto:joe at domain
>>             <mailto:joe at domain>>>">
>>
>>                <display-name>joe</display-name>
>>                </entry>
>>                <entry uri="sip: bob at domain <mailto:joe at domain
>>             <mailto:joe at domain> <mailto:joe at domain
>>             <mailto:joe at domain>>>">
>>
>>                <display-name>bob</display-name>
>>                </entry>
>>                <entry uri="sip:tom at domain <mailto:tom at domain
>>             <mailto:tom at domain> <mailto:tom at domain
>>             <mailto:tom at domain>>>">
>>
>>                <display-name>tom</display-name>
>>                </entry>
>>                </list></resource-lists>
>>
>>                regards,
>>                Anca Vamanu
>>
>>                Yoo Chan Jeon wrote:
>>
>>
>>                    Hi,
>>                    I just want to know how RLS handles SUBSCRIBE
>>             messages without
>>                    using XCAP.
>>                    I assume that the server already has the list
>>             information.
>>                    I want send the SUBSRIBE message with resource list
>>             format:
>>
>>                    SUBSCRIBE sip:list at domain
>>                    .
>>                    .
>>                    supported:eventlist
>>                    Accept:application/rlmi+xml
>>                    Accept:multipart/related
>>                      I added rls, presence, presence_xml, and pua
>>             modlues in the
>>                    configuration file.
>>                    I do not have any problems to run the server.
>>                    Which database should I add list at doamin
>>             <mailto:list at doamin <mailto:list at doamin>
>>                    <mailto:list at doamin <mailto:list at doamin>>> to?
>>
>>                    How do I add the resource list?
>>                    What kind of format do I need to add a list if I
>>             want to add
>>                    joe at domain <mailto:joe at domain <mailto:joe at domain>
>>             <mailto:joe at domain <mailto:joe at domain>>>, bob at domain
>>                    <mailto:bob at domain <mailto:bob at domain>
>>             <mailto:bob at domain <mailto:bob at domain>>>, tom at domain
>>                    <mailto:tom at domain <mailto:tom at domain>
>>             <mailto:tom at domain <mailto:tom at domain>>> ?
>>
>>
>>                    Do you have some kind of examples?
>>
>>                    Thanks you.
>>                    Jeon
>>
>>                  
>>              ------------------------------------------------------------------------
>>
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>>
>>
>>
>>     
>
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