[sr-dev] Kamailio get sip msg from transaction

Daniel-Constantin Mierla miconda at gmail.com
Tue Oct 2 14:45:44 CEST 2012


Hello,

not clear now what you try to do, but have in mind that avps are 
attached to a sip message or transaction. You cannot access it if it is 
set  in other process for a transaction you don't have access to it 
anymore. Use some other sort of shared memory structure.

Cheers,
Daniel

On 10/2/12 2:12 PM, Jason Penton wrote:
> Hey Daniel,
>
> plse see inline:
>
> On Tue, Oct 2, 2012 at 2:02 PM, Daniel-Constantin Mierla 
> <miconda at gmail.com <mailto:miconda at gmail.com>> wrote:
>
>     Hello,
>
>
>     On 10/2/12 1:58 PM, Jason Penton wrote:
>>     Okay I solved this by using the uas->request structure ;)
>     indeed, this is the right way -- forgot to answer this email...
>
> np, thanks!
>
>
>>
>>     One more question re. async "pattern" Daniel:
>>     In the "continued" code, prior to executing the config file
>>     actions, can you add an avp (ie from within the code prior to
>>     calling t_continue, can we add an avp and have it available to
>>     the config file in the "continued" route block)?
>
>     IIRC, at that moment you have to add it to the list that is stored
>     in transaction. Maybe you can use a $var() and then move it in avp
>     list inside the continued route block.
>
>
> Im not sure I understand you here? Just to make sure I am clear. I am 
> effectively trying to do this:
>
> longrunningfunction();  #this is where the async will happen, so the 
> next line will be run by another process
> if ($avp(s:return_val_from_longrunningfunction) > 0) {
>    blah;
> }
>
> So, I am asking how I can set the 
> $avp(s:return_val_from_longrunningfunction). I can tell you from 
> practice that it doesnt work using the default add_avp from within my 
> async callback process. I have not researched yet how the avps are 
> stored, architected, etc. But I am imagineing that right now the 
> process I am in has no "access" to avp "storage". Either that or the 
> avp "storage" is overwritten with the t_continue code? Would be great 
> if you could shed some light?
>
>
>     Cheers,
>     Daniel
>
>>
>>     cheers
>>     Jason
>>
>>     On Mon, Oct 1, 2012 at 3:46 PM, Jason Penton
>>     <jason.penton at gmail.com <mailto:jason.penton at gmail.com>> wrote:
>>
>>         Hi (Daniel this may be for you re. async)
>>
>>         Is it possible to get the sip message from a transaction
>>         after using t_continue. The reason I ask is that using the
>>         async "pattern", how would one be able to use transactional
>>         replies in code using t_reply(code, message). Is the only way
>>         to store the sip_msg in shm for later use, because if I look
>>         at TM I see there is no storage for the original SIP request?
>>
>>         Cheers
>>         Jason
>>
>>
>>
>>
>>     _______________________________________________
>>     sr-dev mailing list
>>     sr-dev at lists.sip-router.org  <mailto:sr-dev at lists.sip-router.org>
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>
>     -- 
>     Daniel-Constantin Mierla -http://www.asipto.com
>     http://twitter.com/#!/miconda  <http://twitter.com/#%21/miconda>  -http://www.linkedin.com/in/miconda
>     Kamailio Advanced Training, Berlin, Nov 5-8, 2012 -http://asipto.com/u/kat
>     Kamailio Advanced Training, Miami, USA, Nov 12-14, 2012 -http://asipto.com/u/katu
>
>

-- 
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio Advanced Training, Berlin, Nov 5-8, 2012 - http://asipto.com/u/kat
Kamailio Advanced Training, Miami, USA, Nov 12-14, 2012 - http://asipto.com/u/katu

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