[SR-Users] append_branch with pseudo variables

[Carlos Ruiz Díaz]

I can't set any of the attributes values using the assignment syntax.
Everytime I do:

$(branch(q)[1]) = "0.1";

I get

ERROR: <core> [lvalue.c:354]: setting pvar failed.

This is true for all attributes, nut just for "q".

Am I doing something wrong? I'm using Kamailio 3.2.3.

Regards.

Carlos.


On Fri, Aug 17, 2012 at 11:38 AM, Carlos Ruiz Díaz <
carlos.ruizdiaz at gmail.com> wrote:

> I'll try that :).
>
> Thanks for your help.
>
> Carlos.
>
>
> On Fri, Aug 17, 2012 at 5:30 AM, Daniel-Constantin Mierla <
> miconda at gmail.com> wrote:
>
>>
>> On 8/16/12 10:50 PM, Carlos Ruiz Díaz wrote:
>>
>>
>>
>> On Thu, Aug 16, 2012 at 4:30 PM, Daniel-Constantin Mierla <
>> miconda at gmail.com> wrote:
>>
>>>
>>> On 8/16/12 9:15 PM, Carlos Ruiz Díaz wrote:
>>>
>>> Looks like km_append_branch() doesn't have all of the signatures that
>>> the original append_branch() has. I can't add q values for serial/parallel
>>> forking with km_append_branch().
>>>
>>>  What signature are you looking for?
>>>
>>
>>  The latter is the one I'm looking for, but with the possibility of
>> using pseudovars.
>>
>>  append_branch() overloads:
>>
>>  - append_branch();
>> - append_branch("sip:a at abc.com");
>> - append_branch("sip:a at abc.com", "0.1");
>>
>>
>> I am considering adding the second parameter to km_append_branch() for
>> backward compatibility reasons.
>>
>> Alternative is to use $branch(...) variable to set the q after you called
>> append branch:
>>
>>
>> http://www.kamailio.org/wiki/cookbooks/3.3.x/pseudovariables#branch_attributes
>>
>> Q has to be set via integer value, with range from 0 to 100 (0.1 would be
>> 10).
>>
>>
>>
>>
>>  Also, apparently there's no way of setting the RURI by calling a
>> function that does that.
>>
>>
>>   What do you mean here? I don't understand.
>>>
>>
>>  I'm was talking about setting the request-uri from a PV.
>>
>>  For example: seturi("$var(my_uri)");
>>
>>  But it works using assignation.
>>
>>  $ru = $var(my_uri);
>>
>>
>> The core functions were added before the existence of cfg variables, they
>> take only static strings as parameters. The way to do it is via assignments.
>>
>> Cheers,
>> Daniel
>>
>>
>>
>>
>>
>>>
>>> Cheers,
>>> Daniel
>>>
>>>
>>>  I guess I'll have to do it using assignation on $ru pseudovariable and
>>> writing a route to manage the serial forking I need.
>>>
>>>  Thanks.
>>>
>>>  Carlos.
>>>
>>> On Thu, Aug 16, 2012 at 2:17 PM, Carlos Ruiz Díaz <
>>> carlos.ruizdiaz at gmail.com> wrote:
>>>
>>>> Great! I'll give it a try.
>>>>
>>>>  Thanks!
>>>>
>>>>  Carlos.
>>>>
>>>>
>>>> On Thu, Aug 16, 2012 at 12:13 PM, Daniel-Constantin Mierla <
>>>> miconda at gmail.com> wrote:
>>>>
>>>>> Hello,
>>>>>
>>>>>
>>>>>
>>>>> On 8/16/12 5:25 PM, Carlos Ruiz Díaz wrote:
>>>>>
>>>>>> Hello guys,
>>>>>>
>>>>>> Why I can only append_branch() a SIP URI as a literal constant
>>>>>> string? Why not from a pseudovariable? It's the same for most of the core
>>>>>> functions.
>>>>>>
>>>>>> My intention is to do something like this:
>>>>>>
>>>>>> append_branch("$cnx3a(route1)");
>>>>>> t_relay();
>>>>>>
>>>>>> where cnx3a is a variable containing the SIP URIs.
>>>>>>
>>>>>> The only "fix" I have found for this is by doing it as follows:
>>>>>>
>>>>>> $ru = $cnx3a(route1);
>>>>>> append_branch();
>>>>>> t_relay();
>>>>>>
>>>>>> Is there any other (and more elegant) way?
>>>>>>
>>>>>
>>>>>  you can use km_append_branch:
>>>>>
>>>>> http://kamailio.org/docs/modules/stable/modules_k/kex.html#id2551404
>>>>>
>>>>> Cheers,
>>>>> Daniel
>>>>>
>>>>> --
>>>>> Daniel-Constantin Mierla - http://www.asipto.com
>>>>> http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
>>>>> Kamailio Advanced Training, Seattle, USA, Sep 23-26, 2012 -
>>>>> http://asipto.com/u/katu
>>>>> Kamailio Practical Workshop, Netherlands, Sep 10-12, 2012 -
>>>>> http://asipto.com/u/kpw
>>>>>
>>>>>
>>>>
>>>
>>> --
>>> Daniel-Constantin Mierla - http://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
>>> Kamailio Advanced Training, Seattle, USA, Sep 23-26, 2012 - http://asipto.com/u/katu
>>> Kamailio Practical Workshop, Netherlands, Sep 10-12, 2012 - http://asipto.com/u/kpw
>>>
>>>
>>
>> --
>> Daniel-Constantin Mierla - http://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
>> Kamailio Advanced Training, Seattle, USA, Sep 23-26, 2012 - http://asipto.com/u/katu
>> Kamailio Practical Workshop, Netherlands, Sep 10-12, 2012 - http://asipto.com/u/kpw
>>
>>
>
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