Re: How to be notified on Retransmission failure

Hi Dimitri,
thank you for your fix.
I tried also BugZilla 583, with success.
I did not found any side-effects until now on both solutions:
if I find something wrong, I'll post it.
Best regards,
Francesco Picasso 

> -----Original Message-----
> From: [email protected] 
> [mailto:[email protected]] On Behalf Of Savolainen Dmitri
> Sent: sabato 19 marzo 2005 15.31
> To: [email protected]
> Subject: [Vocal] Re: How to be notified on Retransmission failure
> 
> 
> vrvo> Hi all,
> vrvo> I'm using Vovida 1.5.0 on Win32 Environment, but I 
> think the same 
> vrvo> problem should arise also on other platforms.
> vrvo> Suppose to create a Sip session with a peer, and then, 
> after BYE 
> vrvo> (or before/after other messages) unplug the network cable.
> vrvo> The Sip Stack (Transaction) retransmits the packets, 
> but after not 
> vrvo> having received response for that transaction, it stops 
> retransmission.
> vrvo> But my application never gets any messages regarding 
> that failure!
> 
> vrvo> I think my application should be informed that the sent message 
> vrvo> never got response: moreover I think I should not 
> implement timer 
> vrvo> at application level, because the Sip stack already (it 
> seems to 
> vrvo> me) manages that timers.
> 
> vrvo> But why I never get informed? It's *really* important because I 
> vrvo> have to clean up that calls. Nobody could help me 
> regarding this issue?
> vrvo> Thank you.
> 
> I resolved this problem in SipStack:
> function:
> void* SipUdp_impl::sendMain()
> {
> 
>       /*............................*/
>       
>       //after these strings:
>       if(!randomLosePercent || ((random() % 100) >= 
> randomLosePercent))
>       {
>            ret_status = udpSend(sipMsg);
>            //i added this:
>            if (count==4)
>                  ret_status = 2;
>            //and other without changes
> 
>       /*............................*/
>            
> }
> 
> So, after 4 retransmits 408 status message returned.
> 
> Best regards,
> Savolainen Dmitri                          
> 
> mailto: [email protected]
> 
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