[OpenSIPS-Users] Possible dialog/topology hiding bug

[Pete Kelly]

I can confirm the bug is still present with a SIGTERM shutdown.


On 18 May 2016 at 10:52, Bogdan-Andrei Iancu <bogdan at opensips.org> wrote:

> Hi Pete,
>
> By doing kill -9, you completely kill ALL opensips processes, so there is
> no cleanup/flush during shutdown. On crashes, the worker processes crashes
> - the attendant cannot crash (as it is not doing anything), so this process
> can do the shutdown in a proper way.
>
> Can you try to see if the call is properly recover if you do normal
> restart (no SIGKILL, but SIGTERM) ? If it does, please take a snapshot of
> the db entry (for that call) while opensips is down - one for KILL, one for
> TERM; and let's see the differences - maybe some dialog data gets flushed
> only during shutdown.
>
> Regards,
>
> Bogdan-Andrei Iancu
> OpenSIPS Founder and Developerhttp://www.opensips-solutions.com
>
> On 18.05.2016 10:53, Pete Kelly wrote:
>
> Yes exactly - in fact I did not restart opensips, I waited until the call
> is established, and until dialog had flushed to DB and then killall -9
> opensips to simulate a crash.
>
> Upon restart the dialog was loaded in from database
>
> On 17 May 2016 at 18:18, Bogdan-Andrei Iancu <bogdan at opensips.org> wrote:
>
>> Hi Pete,
>>
>> No, this is not a know bug, nor an intended behavior. So, simply
>> restarting opensips during a TH call will lead to this error ? no special
>> setup, just a proxy between 2 end points, right ?
>>
>> Regards,
>>
>> Bogdan-Andrei Iancu
>> OpenSIPS Founder and Developerhttp://www.opensips-solutions.com
>>
>> On 17.05.2016 16:36, Pete Kelly wrote:
>>
>> I am seeing something interesting with topology_hiding + dialog on 2.1.
>> If I let the dialog flush to the DB and kill opensips, opensips loads back
>> in the dialog info on startup as expected.
>>
>> However any new in dialog requests (e.g. BYE) do not proxy - it looks
>> like Via, Call-ID and Contact are restored but ruri is not - which makes
>> OpenSIPS loop the request back to itself.
>>
>> For reference, to "enable" topology hiding, I am simply calling
>> topology_hiding("C") then in has_totag() I am calling
>> topology_hiding_match()
>>
>> If I perform the same test without topology hiding, the in-dialog
>> requests continue to proxy as normal.
>>
>> Is this a known bug/quirk, is it likely I am not performing some check or
>> test that i need to?
>>
>>
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>>
>>
>>
>
>
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