[OpenSIPS-Users] [OpenSIPS-Devel] dialog module: dialog not cleaned up when BYE is sent

[Bogdan-Andrei Iancu]

Hi Herman,

That means the SIP based matching fails....Let me work some logging to 
see where the problem is.

Regards,
Bogdan

Herman Bastiaens wrote:
> Hi Bogdan,
>
> yes, I see these messages in the log. You can also find them in the 
> log I've sent you on monday (09-03). Because the DID was not present 
> (due to the record_route_preset bug), the matching mode falls back to 
> matching based on SIP elements.
>
> Best Regards,
>
> Herman
>
> Bogdan-Andrei Iancu wrote:
>> Hi Herman,
>>
>> yes, that is correct. When you use mode 2 (no did), for ACK and BYE, 
>> do you get something like this in the logs: "no dialog callid=" ?
>>
>> Regards,
>> Bogdan
>>
>> Herman Bastiaens wrote:
>>> Hi Bogdan,
>>>
>>> the issue is resolved when using the DID for dialog matching, but if 
>>> I use dlg_match_mode 2, the error still occurs. Is there a problem 
>>> with the matching of messages to dialogs if there is no DID present?
>>>
>>> Best Regards,
>>>
>>> Herman
>>>
>>> Bogdan-Andrei Iancu wrote:
>>>> Hi Herman,
>>>>
>>>> Thanks for the files you sent me. I found out that the problem was 
>>>> in record_route_preset() - the function was simply ignoring 
>>>> whatever parameter you were adding from script or from other 
>>>> modules. This is why the  DIALOG module was not recognizing the 
>>>> sequential requests.
>>>>
>>>> The fix is available on 1.5 - if you could give it another try and 
>>>> let me know, it will be great.
>>>>
>>>> Regards,
>>>> Bogdan
>>>>
>>>> Herman Bastiaens wrote:
>>>>> Hi Bogdan,
>>>>>
>>>>> xxxxx
>>>>>
>>>>> The problem only occurs:
>>>>> - if there is another server in the loop, if I test with a client 
>>>>> that's registered to xxxxxx (instead of the demo server), the 
>>>>> issue does not occur
>>>>> - if I record_route_preset instead of record_route. As you'll see, 
>>>>> when I record_route_preset, there is no did present in the route 
>>>>> header. I believe it should fall back to "default" dialog 
>>>>> matching, but perhaps there's a problem with this mechanism?
>>>>>
>>>>> Hope we can sort this out. Thanks for your replies!
>>>>>
>>>>> Bogdan-Andrei Iancu wrote:
>>>>>> Hi Herman,
>>>>>>
>>>>>> Sorry for the mixing :).
>>>>>>
>>>>>> Please get the logs (with debug=6) and the SIP trace (ngrep) for 
>>>>>> such a call and sent them to me (you can send them off-list if 
>>>>>> larger than 40K).
>>>>>>
>>>>>> I cannot make any assumption yet without first looking at the logs.
>>>>>>
>>>>>> Thanks and regards,
>>>>>> Bogdan
>>>>>>
>>>>>> Herman Bastiaens wrote:
>>>>>>> Bogdan,
>>>>>>>
>>>>>>> I didn't post the log on the forum, that was someone else. I 
>>>>>>> just added my comment to the thread because it seemed like the 
>>>>>>> same problem. I can get a log of the scenario tomorrow if that's 
>>>>>>> helpful.
>>>>>>>
>>>>>>> Do you have any idea why the record_route_preset could by 
>>>>>>> messing up this scenario?
>>>>>>> Do you have any idea what could explain the 5 second threshold?
>>>>>>>
>>>>>>> Thanks a lot for your replies, hope we can sort this out.
>>>>>>>
>>>>>>>> Herman,
>>>>>>>>
>>>>>>>> The log you posted on the forum did not show any usage of 
>>>>>>>> loose_route() - if you look on the log, for ACK and BYE there 
>>>>>>>> is no mesage from "rr" or "dialog" module. Can you confirm this?
>>>>>>>>
>>>>>>>> Regards,
>>>>>>>> Bogdan
>>>>>>>>
>>>>>>>> Herman Bastiaens wrote:
>>>>>>>>> Hi Bogdan,
>>>>>>>>>
>>>>>>>>> I'm pretty sure I do a loose_route for the ACK and BYE, but 
>>>>>>>>> I'm still seeing this error.
>>>>>>>>>
>>>>>>>>> I've tested the most basic scenario, starting from an example, 
>>>>>>>>> and this problem seems to occur when I start using a 
>>>>>>>>> record_route_preset("..."). Perhaps the dialog module can't 
>>>>>>>>> handle this? (just to be clear, the bug is still only 
>>>>>>>>> occurring if the call is shut down during the first few 
>>>>>>>>> seconds after the ACK).
>>>>>>>>>
>>>>>>>>> I've attached the script in which I see the error occurring. 
>>>>>>>>> The IP of my server is 172.17.10.44
>>>>>>>>>
>>>>>>>>>> Hi Herman,
>>>>>>>>>>
>>>>>>>>>> And the bell rang! :)
>>>>>>>>>>
>>>>>>>>>> I went over the logs you posted on the forum and I noticed 
>>>>>>>>>> (both script and logs) that you are not using loose_route() 
>>>>>>>>>> for sequential requests. You do record_route() for the 
>>>>>>>>>> initial INVITE, but no loose_route for ACK, BYE. And 
>>>>>>>>>> loose_route() is the function that updates the dialog state.
>>>>>>>>>>
>>>>>>>>>> So, in your case, the dialog does not "see" the ACK and BYE 
>>>>>>>>>> and still keeps in the CONFIRMED_NA (not acknowledged) state. 
>>>>>>>>>> This  is way it is not removed.
>>>>>>>>>>
>>>>>>>>>> See the default opensips.cfg file to see how to use the 
>>>>>>>>>> loose_route(). I beat it will work after that ;)
>>>>>>>>>>
>>>>>>>>>> Regards,
>>>>>>>>>> Bogdan
>>>>>>>>>>
>>>>>>>>>> Herman Bastiaens wrote:
>>>>>>>>>>> Hi Bodgan,
>>>>>>>>>>>
>>>>>>>>>>> that's what I'm seeing, time and time again. I was hoping 
>>>>>>>>>>> this might ring a bell, but from your reply I take that it 
>>>>>>>>>>> doesn't :-)
>>>>>>>>>>>
>>>>>>>>>>> Regards,
>>>>>>>>>>>
>>>>>>>>>>> Herman
>>>>>>>>>>>
>>>>>>>>>>>> Hi Herman,
>>>>>>>>>>>>
>>>>>>>>>>>> just to copy the reply from the forum :) :
>>>>>>>>>>>>
>>>>>>>>>>>> So, let me see if I get it right. With the same 
>>>>>>>>>>>> configuration, if the call is longer than 5 secs, 
>>>>>>>>>>>> everything is ok (dialog is removed when receiving a BYE). 
>>>>>>>>>>>> But if the call is shorter than 5 secs, the dialog is not 
>>>>>>>>>>>> removed.
>>>>>>>>>>>> Is this what you say?
>>>>>>>>>>>>
>>>>>>>>>>>> Regards,
>>>>>>>>>>>> Bogdan
>>>>>>>>>>>>
>>>>>>>>>>>> Herman Bastiaens wrote:
>>>>>>>>>>>>> Hi,
>>>>>>>>>>>>>
>>>>>>>>>>>>> I've posted this problem on the forum 
>>>>>>>>>>>>> (https://sourceforge.net/forum/message.php?msg_id=6595314), 
>>>>>>>>>>>>> but it doesn't seem to be very active, so I'm posting it 
>>>>>>>>>>>>> here as well.
>>>>>>>>>>>>>
>>>>>>>>>>>>> I'm having a problem with the dialog module of opensips 
>>>>>>>>>>>>> 1.4.2-notls. When a call is set up, and released within 
>>>>>>>>>>>>> five seconds, the dialog is not removed. I am sure the 
>>>>>>>>>>>>> call is set up correctly (INVITE - 200 OK - ACK) and the 
>>>>>>>>>>>>> BYE is sent (with the correct call-id, from and to tag), 
>>>>>>>>>>>>> but the dialog is not removed.
>>>>>>>>>>>>>
>>>>>>>>>>>>> I do a record_route_preset () for the INVITE and a 
>>>>>>>>>>>>> loose_route() for the BYE.
>>>>>>>>>>>>>
>>>>>>>>>>>>> Are there any timers, caching, ... that could explain this 
>>>>>>>>>>>>> behavior? I have tested a number of times, and the problem 
>>>>>>>>>>>>> only occurs if the call is shut down within the first five 
>>>>>>>>>>>>> seconds, if the call is running longer, the dialog is 
>>>>>>>>>>>>> cleaned up correctly when the BYE is sent.
>>>>>>>>>>>>>
>>>>>>>>>>>>> note: a dialog is inserted multiple times in the same 
>>>>>>>>>>>>> profile, but with different values, I don't know if this 
>>>>>>>>>>>>> is relevant for the issue
>>>>>>>>>>>>>
>>>>>>>>>>>>>   
>>>>>>>>>>>>
>>>>>>>>>>>> ------------------------------------------------------------------------ 
>>>>>>>>>>>>
>>>>>>>>>>>>
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>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
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>>>>>>>>
>>>>>>>>
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>>>>>>>
>>>>>>>
>>>>>>
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