[Serusers] append_rpid_hf() replacement in CVS-HEAD

[Jiri Kuthan]

Hi Hendrik,

thanks for pointing this out -- I think it is rather lacking documentation.

This feature has been actually in SER since quite a while ago (and I would guess much longer
ago than in any SER derivates too) -- alas I guess rather roughly documented. I hope the 
following example (even though certainly one cannot call it documentation) explains the 
feature. 

        if ($asserted_id) {
            if ($remote_party_id_param) {
                xlset_attr("rpidheader", "<sip:%$asserted_id@%@ruri.host>;%$remote_party_id_param");
            } else {

                xlset_attr("rpidheader", "<sip:%$asserted_id@%@ruri.host>;screen=yes");
            }
            replace_avp_hf("Remote-Party-ID","rpidheader");
        } 

Additional flexibility can be achieved by use of the select operator:
http://www.iptel.org/attribute_value_pairs_and_selects

With xlset_attr (which takes same %s like xlog) and select, textual SIP processing 
is fairly general and we no longer need modules for every new feature.

-jiri


At 15:20 25/09/2006, Hendrik Scholz wrote:
>Hi!
>
>append_rpid_hf() was removed from CVS in 2005 with the following note:
>"Rpid support dropped, it will be implemented using AVPs."
>
>Is there a standard way of implementing this?
>OpenSER utilizes avp_printf() for this which isn't part of SER:
>http://www.mail-archive.com/devel@openser.org/msg02248.html
>
>What is the Best Current Practice to add the Rpid header?
>
>If there is none I'd help implementing something new since I'm already
>tackling some Rpid to P-Asserted-Identity transformation things.
>It would also be handy to add the privacy tag according to another
>AVP (although I'm not using it).
>
>Cheers,
> Hendrik
>
>-- 
>freenet Cityline GmbH, Hamburger Chaussee 2-4, 24114 Kiel, Germany
>Phone: +49 (0)431 9020552, Fax: +49 (0)431 9020559
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--
Jiri Kuthan            http://iptel.org/~jiri/