[Kamailio-Users] avp

[Anders]

Hi Alex,

That's great, got it working - thanks a lot!

//Anders


On Mon, Nov 9, 2009 at 8:41 AM, Alex Balashov <abalashov at evaristesys.com> wrote:
> Anders,
>
> The strip() and prefix() core functions operate on the Request URI, which
> can be accessed via the pseudovariable $ru.  Its user part is $rU, the
> domain part is $rd, and the port is $rp.  To copy the user part of the
> Request URI into an AVP after manipulation, you can simply assign its
> current value:
>
>   $avp(s:user_ip_tag) = $rU;
>
> I'm guessing this (user part) is what you intended to do.
>
> However, it is not necessary to import data into the Request URI for
> purposes of manipulation.  Kamailio has something called transformations:
>
>   http://www.kamailio.org/dokuwiki/doku.php/transformations:1.5.x
>
> For your purposes, you may think of these as something kind of like
> object-oriented string manipulation functions.  These can operate on any
> scalar string value, e.g.
>
>  $(avp(s:user_ip_tag){s.len})
>  $avp(s:user_ip_tag) = $(rU{s.substr,1,5});
>
> In order to obtain the data you want you can simply use those.
>
> Cheers,
>
> -- Alex
>
> Anders wrote:
>
>> Hi all,
>>
>> Here I am - back with more "Kamailio 101"-questions! ;-)
>>
>> I need to strip the first character from the uri and write this to the
>> 'acc' table. What I'm doing so far in kamailio.cfg is:
>>
>> modparam("acc", "db_extra", "............., $avp(s:user_ip_tag)");
>>
>> So I've added the avp-thing in that line. And independently I've
>> created a new column in the 'acc' table called "user_ip_tag".
>>
>> If the above is correct, my next step is to write something to this
>> variable. In the routing, I have this:
>>
>>        if (uri=~"^sip:[1-9]00*")
>>                {
>>
>>
>> do_something_here_to_take_first_character_of_the_uri_and_put_to_avp...but_how?
>>                        strip(1);
>>                }
>>
>> What I want to do, is to take the 1-9 digit, if it starts with that
>> and has to zeroes after, and put that to the avp - and the strip it
>> off before I move on in the routing.
>>
>> Yes, I have browsed the documentation, but I'm not sharp enough to
>> understand it, it seems. (or alternatively, the documentation is not
>> made for beginners).
>>
>> Thanks!
>>
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>
>
> --
> Alex Balashov - Principal
> Evariste Systems
> Web     : http://www.evaristesys.com/
> Tel     : (+1) (678) 954-0670
> Direct  : (+1) (678) 954-0671
>