Re: [OpenSIPStack] [OpenSBC] NOTIFY within SUBSCRIBE dialog

[James B. <jam...@gm...>]

Hi Joegen,

I've tried the latest code from CVS and every SUBSCRIBE and
NOTIFY makes it through - just perfect.

Thanks so much for such a fast resolution to this query.
I'm very impressed.

James

On Fri, Jul 11, 2008 at 3:30 AM, Joegen E. Baclor
<joe...@gm...> wrote:
> Hi James,
>
> Please try the latest from CVS and let me know if you still experience the
> race condition between overlapped transactions.  The changes are mostly in
> the OpenSIPStack library so do not forget to update your copy as well.
>
> Joegen
>
> James Brennan wrote:
>>
>> Hi Joegen,
>>
>> Thanks for the reply.
>> Later NOTIFY messages sometimes make it out to the client
>> and the client can receive and make calls after this occurs.
>> It is only on startup of the client when the SUBSCRIBE and
>> NOTIFY messages occur and later periodic NOTIFY updates
>> by the Asterisk server when I see OpenSBC/SIPStack silently
>> discard some NOTIFY messages.
>> Hopefully this has answered the question you had about the FSM.
>>
>> James
>>
>> On Tue, Jul 8, 2008 at 1:27 PM, Joegen E. Baclor
>> <joe...@gm...> wrote:
>>
>>>
>>> Hi James,
>>>
>>> This is more of a SIP Stack question than and OpenSBC subject.   It
>>> seems you are hitting a race condition.  I need to get back to you on
>>> this after I've done some testing of my own.  For the meantime, can you
>>> confirm that the FSM has not dead-locked and is still accepting/relaying
>>> transactions after this occurs?
>>>
>>> Joegen
>>>
>>> James Brennan wrote:
>>>
>>>>
>>>> Hi,
>>>>
>>>> Sorry, not sure if this is an OpenSBC or OpenSIPStack query.
>>>>
>>>> I'm running OpenSBC (1.1.5-7 and OpenSIPStack 1.1.8).
>>>> OpenSBC is in full-mode.
>>>>
>>>> When the client SUBSCRIBEs to presence of another user,
>>>> the SIP server issues the 202 for the SUBSCRIBE and also an
>>>> immediate NOTIFY within the same dialog.
>>>>
>>>> When these pass through OpenSBC, some times the NOTIFY
>>>> will not make it through to the client.
>>>>
>>>> My client has 3 contacts and subscribes to presence of all 3.
>>>> I've seen none, 1 or maybe 2 of these NOTIFY messages make
>>>> it to the client.
>>>>
>>>> Having looked around the code and trace of OpenSIPStack
>>>> it looks like it happens when the 202 for the SUBSCRIBE
>>>> is processed, and the DestroySession occurs between processing
>>>> of the NOTIFY.
>>>>
>>>> Perhaps something is wrong with my setup.
>>>> Does this scenario sound like it should work!?
>>>>
>>>> I'll attach the trace from OpenSBC which captured
>>>> the first 2 NOTIFY messages making it back to the client
>>>> but the 3rd NOTIFY message did not.
>>>>
>>>> Any advice much appreciated,
>>>> Thanks,
>>>> James
>>>>
>>>>
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>> No virus found in this incoming message.
>> Checked by AVG - http://www.avg.com Version: 8.0.138 / Virus Database:
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>>
>>
>>
>>
>
>