[SR-Users] Critical log when $mbu pseudovariable is accessed

[Alberto Izquierdo]

That worked perfectly, thank you so much for your help.

On Fri, Oct 8, 2021 at 9:51 AM Daniel-Constantin Mierla <miconda at gmail.com>
wrote:

> The place to get the final message is in onsend_route, being available in
> the $snd(buf).
>
> That's when Kamailio figures out everything required for sending out
> (e.g., resolving NAPTR/SRV/CNAME/ANAME/... dns, doing mhomed processing to
> select local socket.a.s.o) and builds the appropriate headers like Via,
> Record-Route, ...
>
> Cheers,
> Daniel
> On 08.10.21 09:09, Alberto Izquierdo wrote:
>
> I see, would it be possible to obtain the final message (with the
> generated Record-Route headers) somehow?
>
> Thank you.
>
> On Fri, Oct 8, 2021 at 8:51 AM Daniel-Constantin Mierla <miconda at gmail.com>
> wrote:
>
>> You have to use $mbu before record_route() because the outgoing socket is
>> not known and corresponding Record-Route header is added with empty
>> address. Same apply for use of msg_apply_changes().
>>
>> Cheers,
>> Daniel
>> On 08.10.21 08:28, Alberto Izquierdo wrote:
>>
>> It is also worth mentioning that there are two Record-Route headers, the
>> first one is the correct one and contains a valid value, and this extra one
>> which does not appear in the egress INVITE in the pcap.
>>
>> On Thu, Oct 7, 2021 at 9:18 AM Alberto Izquierdo <a.izquierdo at zaleos.net>
>> wrote:
>>
>>> Hello Daniel,
>>>
>>> I have just realized about an error in the 'Record-Route" header:
>>> "Record-Route: <sip:;r2=on;lr=on;ftag=478.0eb>".
>>>
>>> Thanks for the response.
>>>
>>> On Thu, Oct 7, 2021 at 9:05 AM Daniel-Constantin Mierla <
>>> miconda at gmail.com> wrote:
>>>
>>>> Hello,
>>>>
>>>> in onsend_route the changes are already applied, use of $mbu makes no
>>>> sense there -- you can see the updated buffer content with $snd(buf).
>>>>
>>>> Cheers,
>>>> Daniel
>>>>
>>>> On 06.10.21 11:43, Alberto Izquierdo wrote:
>>>>
>>>> Hi,
>>>>
>>>> I'm getting some CRITICAL logs when accessing the content of the $mbu
>>>> pseudovariable in a "onsend_route" function. The log lines look like this:
>>>>
>>>> ```
>>>> CRITICAL core    35847:core/msg_translator.c:493 null send socket
>>>> CRITICAL core    35847:core/msg_translator.c:893 FIXME: null send_sock
>>>> CRITICAL core    35847:core/msg_translator.c:493 null send socket
>>>> CRITICAL core    35847:core/msg_translator.c:493 null send socket
>>>> CRITICAL core    35847:core/msg_translator.c:493 null send socket
>>>> CRITICAL core    35847:core/msg_translator.c:493 null send socket
>>>> CRITICAL core    35847:core/msg_translator.c:1479 FIXME: null
>>>> bind_address
>>>> CRITICAL core    35847:core/msg_translator.c:493 null send socket
>>>> CRITICAL core    35847:core/msg_translator.c:493 null send socket
>>>> CRITICAL core    35847:core/msg_translator.c:493 null send socket
>>>> ```
>>>>
>>>> I've checked the msg_translator.c source file and there are many of
>>>> `LM_CRIT("FIXME: {message}\n");` calls, and I wonder if the "FIXME" tag
>>>> relates to the location of the error: a Kamailio error or there is an issue
>>>> in the user code.
>>>>
>>>> Could I have more information about the "FIXME" tag?
>>>>
>>>> Thanks in advance!
>>>>
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>>>>
>>>> --
>>>> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- www.linkedin.com/in/miconda
>>>> Kamailio Advanced Training - Online
>>>> Nov 08-11, 2021 (Europe Timezone) - Nov 22-25, 2021 (America Timezone)
>>>>   * https://www.asipto.com/sw/kamailio-advanced-training-online/
>>>>
>>>> --
>> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- www.linkedin.com/in/miconda
>> Kamailio Advanced Training - Online
>> Nov 08-11, 2021 (Europe Timezone) - Nov 22-25, 2021 (America Timezone)
>>   * https://www.asipto.com/sw/kamailio-advanced-training-online/
>>
>> --
> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- www.linkedin.com/in/miconda
> Kamailio Advanced Training - Online
> Nov 08-11, 2021 (Europe Timezone) - Nov 22-25, 2021 (America Timezone)
>   * https://www.asipto.com/sw/kamailio-advanced-training-online/
>
>
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