[SR-Users] How to cleanup unconfirmed dialog in memory?

Sun Jul 7 22:24:16 CEST 2013

I am unable to recreate the problem. I will keep eye on it. If it happen
again, I will report back here.
gary

On Fri, Jul 5, 2013 at 3:52 AM, Charles Chance <
charles.chance at sipcentric.com> wrote:

> Hi Daniel,
>
> If someone can try it and confirm is working fine for sl replied dialogs
>> as well as for those forwarded, I will backport.
>
>
> Seems to work fine for us in our test environment. So far, no unconfirmed
> dialogs stuck in memory for statelessly replied transactions.
>
> Cheers,
>
> Charles
>
>
>
> On 3 July 2013 17:25, Charles Chance <charles.chance at sipcentric.com>wrote:
>
>> Hi Daniel,
>>
>> Sounds perfect! I will try to test here tomorrow and let you know.
>>
>> Cheers,
>>
>> Charles
>>
>>
>> On 2 July 2013 22:44, Daniel-Constantin Mierla <miconda at gmail.com> wrote:
>>
>>>  Hello,
>>>
>>> I pushed a patch in master that detects when the dialog is created by
>>> not getting to transaction due to a stateless reply.
>>>
>>>
>>> http://git.sip-router.org/cgi-bin/gitweb.cgi?p=sip-router;a=commitdiff;h=fa0339b1906690f009786fc9ed92c73a8c9e6520;hp=b4682cac2e2f151288a411018da077b6d1526eca
>>>
>>> If someone can try it and confirm is working fine for sl replied dialogs
>>> as well as for those forwarded, I will backport.
>>>
>>> Cheers,
>>> Daniel
>>>
>>>
>>> On 7/2/13 4:22 PM, Carlos Ruiz Díaz wrote:
>>>
>>>  Now that you mention it, it makes perfect sense since this function
>>> sends BYE to both legs which only makes sense with confirmed dialogs.
>>>
>>>  I run out of alternatives. Maybe patching the module is the only
>>> solution.
>>>
>>>  Regards,
>>> Carlos
>>>
>>>
>>> On Tue, Jul 2, 2013 at 10:16 AM, Charles Chance <
>>> charles.chance at sipcentric.com> wrote:
>>>
>>>> That doesn't work I'm afraid. Also from
>>>> http://www.kamailio.org/docs/modules/3.1.x/modules_k/dialog.html#id2524783:
>>>>
>>>>
>>>>  *Note: Works only for confirmed dialogs.*
>>>>
>>>>
>>>>  It's something I've been meaning to look further into for a while,
>>>> but haven't yet had chance. I suspect a small patch will be required though.
>>>>
>>>>  Regards,
>>>>
>>>>  Charles
>>>>
>>>>
>>>>
>>>> On 2 July 2013 15:11, Carlos Ruiz Díaz <carlos.ruizdiaz at gmail.com>wrote:
>>>>
>>>>> Ok, I haven't noticed that, although I can't tell for sure whether it
>>>>> will work or not.
>>>>>
>>>>>  If you can dump the dialogs using xmlrpc or rpc interface, maybe you
>>>>> could parse the info and tear down those unconfirmed dialogs using
>>>>> dlg_end_dlg:
>>>>>
>>>>>
>>>>> http://www.kamailio.org/docs/modules/3.1.x/modules_k/dialog.html#id2524783
>>>>>
>>>>>
>>>>> On Tue, Jul 2, 2013 at 10:02 AM, Charles Chance <
>>>>> charles.chance at sipcentric.com> wrote:
>>>>>
>>>>>> The parameter does not work for us. We have modparam("dialog",
>>>>>> "default_timeout",7200), but it only has an effect on confirmed dialogs. As
>>>>>> you can see from my previous example, there is not even a "timestart" value
>>>>>> on the unconfirmed dialog, so how can Kamailio know when timeout is
>>>>>> reached?
>>>>>>
>>>>>>
>>>>>>
>>>>>> On 2 July 2013 14:51, Carlos Ruiz Díaz <carlos.ruizdiaz at gmail.com>wrote:
>>>>>>
>>>>>>> There is, but for all dialogs, not only the unconfirmed ones.
>>>>>>>
>>>>>>>
>>>>>>> http://www.kamailio.org/docs/modules/3.3.x/modules_k/dialog.html#default-timeout-id
>>>>>>>
>>>>>>>
>>>>>>> On Tue, Jul 2, 2013 at 9:49 AM, Charles Chance <
>>>>>>> charles.chance at sipcentric.com> wrote:
>>>>>>>
>>>>>>>> Hmm, I don't think there is even a timeout value set on unconfirmed
>>>>>>>> dialogs in memory.
>>>>>>>>
>>>>>>>>  Example (Kamailio 3.3.3):
>>>>>>>>
>>>>>>>>  dialog::  hash=1791:10106
>>>>>>>>  state:: 1
>>>>>>>>  ref_count:: 1
>>>>>>>>  timestart:: 0
>>>>>>>>  timeout:: 0
>>>>>>>>  ...
>>>>>>>>
>>>>>>>>  Whereas:
>>>>>>>>
>>>>>>>>  dialog::  hash=2963:2808
>>>>>>>>  state:: 4
>>>>>>>>  ref_count:: 2
>>>>>>>>  timestart:: 1372772302
>>>>>>>>  timeout:: 114829207
>>>>>>>>  ...
>>>>>>>>
>>>>>>>>  Therefore, the unconfirmed dialogs never get cleared
>>>>>>>> automatically, in my experience at least. I hope I'm wrong though :)
>>>>>>>>
>>>>>>>>  Cheers,
>>>>>>>>
>>>>>>>>  Charles
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> On 2 July 2013 14:31, Henning Westerholt <hw at kamailio.org> wrote:
>>>>>>>>
>>>>>>>>> Am Dienstag, 2. Juli 2013, 14:23:25 schrieb Charles Chance:
>>>>>>>>> > I don't think this will help at all, as regardless of DB mode,
>>>>>>>>> unconfirmed
>>>>>>>>> > dialogs are not stored in DB anyway.
>>>>>>>>> >
>>>>>>>>> > The important thing to remember is that if you are calling
>>>>>>>>> dialog_manage()
>>>>>>>>> > in your config, to only do it once you are ready to forward the
>>>>>>>>> request. If
>>>>>>>>> > you call it but then exit for some reason without actually
>>>>>>>>> forwarding, you
>>>>>>>>> > will probably end up with a stuck dialog.
>>>>>>>>> >
>>>>>>>>> > Maybe someone else can suggest other possible causes?
>>>>>>>>> >
>>>>>>>>> > To my knowledge, there is no existing way to clear these without
>>>>>>>>> restarting.
>>>>>>>>>
>>>>>>>>>  Hello,
>>>>>>>>>
>>>>>>>>> AFAIK these stale dialogs are cleaned up after the dialog timeout.
>>>>>>>>> There are
>>>>>>>>> module parameter and also dialog specific parameter to control
>>>>>>>>> this variable.
>>>>>>>>> This stale dialogs needs a bit of memory, but are otherwise
>>>>>>>>> harmless.
>>>>>>>>>
>>>>>>>>> Best regards,
>>>>>>>>>
>>>>>>>>> Henning
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> www.sipcentric.com
>>>>>>>>
>>>>>>>> Follow us on twitter @sipcentric <http://twitter.com/sipcentric>
>>>>>>>>
>>>>>>>> Sipcentric Ltd. Company registered in England & Wales no. 7365592. Registered
>>>>>>>> office: Unit 10 iBIC, Birmingham Science Park, Holt Court South, Birmingham
>>>>>>>> B7 4EJ.
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing
>>>>>>>> list
>>>>>>>> sr-users at lists.sip-router.org
>>>>>>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>  --
>>>>>>> Carlos
>>>>>>> http://caruizdiaz.com
>>>>>>> +595981146623
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing
>>>>>>> list
>>>>>>> sr-users at lists.sip-router.org
>>>>>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>>  --
>>>>>>  *Charles Chance*
>>>>>> Managing Director
>>>>>>
>>>>>>  t. 0121 285 4400    m. 07932 063 891
>>>>>>
>>>>>> www.sipcentric.com
>>>>>>
>>>>>> Follow us on twitter @sipcentric <http://twitter.com/sipcentric>
>>>>>>
>>>>>> Sipcentric Ltd. Company registered in England & Wales no. 7365592. Registered
>>>>>> office: Unit 10 iBIC, Birmingham Science Park, Holt Court South, Birmingham
>>>>>> B7 4EJ.
>>>>>>
>>>>>> _______________________________________________
>>>>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing
>>>>>> list
>>>>>> sr-users at lists.sip-router.org
>>>>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>>  --
>>>>> Carlos
>>>>> http://caruizdiaz.com
>>>>> +595981146623
>>>>>
>>>>> _______________________________________________
>>>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>>>>> sr-users at lists.sip-router.org
>>>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>> www.sipcentric.com
>>>>
>>>> Follow us on twitter @sipcentric <http://twitter.com/sipcentric>
>>>>
>>>> Sipcentric Ltd. Company registered in England & Wales no. 7365592. Registered
>>>> office: Unit 10 iBIC, Birmingham Science Park, Holt Court South, Birmingham
>>>> B7 4EJ.
>>>>
>>>> _______________________________________________
>>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>>>> sr-users at lists.sip-router.org
>>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>>
>>>>
>>>
>>>
>>>  --
>>> Carlos
>>> http://caruizdiaz.com
>>> +595981146623
>>>
>>>
>>> _______________________________________________
>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users at lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>
>>>
>>> --
>>> Daniel-Constantin Mierla - http://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
>>>
>>>
>>> _______________________________________________
>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>>> sr-users at lists.sip-router.org
>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>
>>>
>>
>>
>>
>
>
>
> www.sipcentric.com
>
> Follow us on twitter @sipcentric <http://twitter.com/sipcentric>
>
> Sipcentric Ltd. Company registered in England & Wales no. 7365592. Registered
> office: Unit 10 iBIC, Birmingham Science Park, Holt Court South, Birmingham
> B7 4EJ.
>
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
> sr-users at lists.sip-router.org
> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>
>
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