[SR-Users] remove_record_route - bug?

[Sergiu Pojoga]

Thanks all for your inputs,

Julien: that worked like a charm! There's even no need to do
remove_record_route() in the failure route, everything reverts back to
original message by magic. As a bonus, it fixed my old-time problem where
multiple append_hf headers would be added for as many failure branches
existed and remove_hf wouldn't help.

Cheers!

On Sun, Apr 28, 2019 at 2:51 PM Julien Chavanton <jchavanton at gmail.com>
wrote:

>
> This should restore the message in failure route as it was before you
> modify it from the main route , call it before anything else that could
> modify the message.
>
> t_save_lumps()
>
> On Sat, Apr 27, 2019, 16:02 Sergiu Pojoga <pojogas at gmail.com> wrote:
>
>> Hi ppl,
>>
>> After a branch route fails, I need to re-evaluate the next destination
>> and adjust RR parameters, if need be, like for example adjust the
>> nat=yes|priv.
>>
>> failure_route[MANAGE_PSTN_FAILURE] {
>> ...
>> remove_record_route();
>> record_route();
>> route(NATMANAGE);
>> ...
>> route(RELAY);
>> }
>>
>> The result is that the new branch is stripped of "Record-Route:
>> <sip:MYIP>", but the params remained. Moreover, record_route hasn't been
>> re-added as instructed in the failure route.
>>
>> Request headers of the initial branch that will eventually timeout and
>> fail:
>>
>> 2019/04/27 18:29:18.034992 10.22.0.1:5060 -> 10.22.0.100:5060
>>
>>
>>
>> INVITE sip:1514XXXXXXX at 10.22.0.100 SIP/2.0
>>
>>
>>
>> Record-Route: <sip:10.22.0.1;r2=on;lr=on;did=9e2.3dd2;nat=priv>
>> Record-Route: <sip:65.XX.XX.1;r2=on;lr=on;did=9e2.3dd2;nat=priv>
>>
>> New request branch after failure:
>>
>> 2019/04/27 18:29:19.538292 65.XX.XXX.1:5060 -> 65.XX.XX.2:5060
>> INVITE sip:1514XXXXXXX at 65.XX.XX.2 SIP/2.0
>> ;lr=on;did=9e2.3dd2;nat=priv>
>>
>>
>> kamailio -v
>> version: kamailio 5.1.6 (x86_64/linux) 7d1964
>>
>> Much obliged.
>> --Sergiu
>>
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