[Kamailio-Devel] new http_query function

[Klaus Darilion]

Daniel-Constantin Mierla wrote:
> 
> 
> On 11/18/08 23:42, Klaus Darilion wrote:
>> would it work if the http request is "hidden" behind an exported 
>> pseudo variable?
> yes, this works.

also with function parameters?
> 
> Cheers,
> Daniel
> 
>>
>> e.g $br = $http_request(....)
>>
>> that would be similar to functions in Asterisk
>>
>> regards
>> klaus
>>
>> Daniel-Constantin Mierla wrote:
>>> Hello Juha,
>>>
>>> On 11/16/08 00:52, Juha Heinanen wrote:
>>>> Klaus Darilion writes:
>>>>
>>>>  > can you work around it by using pseudo variables?
>>>>
>>>> klaus,
>>>>
>>>> i tried to implement http_query function like this:
>>>>
>>>> http_query(page, params, pvar)
>>>>
>>>> where result of the query would be assigned to pvar.
>>>> i could not do it, because i didn't find a function in pvar.h that 
>>>> would
>>>> allow me to assign a generic pvar (avp or script variable or core
>>>> variable like $ru) a string value.
>>>>
>>>> also, i didn't find any example functions in modules that i use, where
>>>> such a thing would have been done.
>>>>
>>>> so unless someone can give me a pointer to an example, i have to stick
>>>> to the less generic version of this function that always assigns the
>>>> result to request uri.
>>>>
>>>>  > e.g. $br = http_query(...);
>>>>
>>>> this won't work either, because according to my knowledge, module
>>>> functions return an integer (status) value.
>>>>   
>>> indeed, the functions exported by modules return integers with 
>>> special meanings:
>>> http://www.asipto.com/pub/kamailio-devel-guide/#c16return_values
>>>
>>> The PV spec includes inside the structure the pointer to set 
>>> function. The group modules has a function get_user_group() that sets 
>>> to a PV an integer value -- just as example to start -- also, 
>>> action.c has do_assign() using same mechanism.
>>>
>>> Cheers,
>>> Daniel
>>>
>>
>