[Kamailio-Users] In-dialog request correlation without loose routing?

[Alex Balashov]

Daniel-Constantin Mierla wrote:
> 
> 
> On 10/16/08 22:07, Alex Balashov wrote:
>> Ovidiu Sas wrote:
>>
>>  
>>>> If it is loose_route() that I need to correlate subsequent in-dialog
>>>> requests, why?  As you said, if no RR cookies are being used, why 
>>>> should the
>>>> proxy care about the Route: header?
>>>>       
>>> I don't know how to put it better in other words :(
>>> The proxy doesn't care about the Route header.
>>> The proxy uses the record routing mechanism as a hook into the dialog
>>> internals and the matching is done inside the dialog module.  After
>>> that, the dialog module will chose the matching mechanism.
>>>     
>>
>> I got that.
>>
>> So, why does matching not work unless I call loose_route(), regardless 
>> of match mode?  :-)
>>   
> the matching is triggered by execution of Route processing callbacks 
> that happen only by calling loose_route().
> 
> The dialog module registers a function to be called when the Route 
> header is processed. In this function the dialog module does the 
> matching algorithm. To get independent of that, for matching mode 2, a 
> function should be exported by dialog for explicit call in the script, 
> something like:
> 
> if(dialog_match())
> {
> ....
> }
> 
> Cheers,
> Daniel

That's what I figured;  there was something in the callback architecture 
that caused the module to otherwise not see the requests.

Cool - that explains it!

-- 
Alex Balashov
Evariste Systems
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