[OpenSER-Devel] pua module - unsubscribe

Reinhold Buchinger reinhold.buchinger at gmail.com
Mon Nov 12 14:50:43 UTC 2007


Hello,

Thanks for the explanation and modification. I think the following line 
is missing in subscribe_cbparam(...) that  the fetching Subscribe works:

hentity->expires = subs->expires;

Regards,
Reinhold

Anca Vamanu schrieb:
> Hello,
>
> It is not about retransmission there, but about the cases in which a 
> request is sent inside a dialog stored by pua but which is not 
> recognized by the client (the case of a client signing off and no 
> Subscribe with expires= 0 sent to pua to announce it that the dialog 
> has ended). The logics are like this: if someone asked me to send a 
> request (for publish it's the same) and I matched it with a stored 
> dialog and it failed, try again with an initial request. This is to 
> ensure a a certain reliability.
> Therefore, in that case that you mentioned, when a second attempt is 
> made, it is no longer about an unsubscribe. The request sent will be 
> an fetching Subscribe(one with expires= 0)- I have made the changes to 
> make this case possible. However,even if an unsubscribe was desired, 
> the effects are the same, the dialog is already no longer valid, the 
> pua record is deleted, and a Notify is sent.
>
> regards,
> Anca Vamanu
>
> Reinhold Buchinger wrote:
>> Hi,
>>
>> Thanks for your answer. But there is still a problem with 
>> subs_cback_func(...) if a retransmission is triggered. This message 
>> cannot be send with expires=0.
>>
>> subs.expires= (hentity->desired_expires>0)?
>>                    hentity->desired_expires- (int)time(NULL)+ 10:-1;
>>
>> Regards,
>> Reinhold
>>
>>
>> Anca Vamanu schrieb:
>>> Hello,
>>>
>>> The expires= 0 case is covered in subs_build_hdr(...) :
>>>  
>>>     if( expires<= min_expires)
>>>        subs_expires= int2str(min_expires, &len);    else
>>>        subs_expires= int2str(expires+ 10, &len);
>>>
>>> if the module parameter min_expires maintains its default value, 
>>> which is 0.
>>> I will test to see if indeed it is not possible now to unsubscribe.
>>>
>>> regards,
>>> Anca Vamanu
>>>
>>> Reinhold Buchinger wrote:
>>>> Hi,
>>>>
>>>> Using the pua module, I cannot send a subscription with expires=0. 
>>>> If you look at subs_build_hdr(...)  in send_subscribe.c this case 
>>>> is not covered.
>>>>
>>>> Regards,
>>>> Reinhold
>>>>
>>>> _______________________________________________
>>>> Devel mailing list
>>>> Devel at lists.openser.org
>>>> http://lists.openser.org/cgi-bin/mailman/listinfo/devel
>>>>
>>>>   
>>>
>>>
>>
>>
>
>




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