Thread: Re: [OpenSIPStack] [OpenSBC] NOTIFY within SUBSCRIBE dialog
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From: Joegen E. B. <joe...@gm...> - 2008-07-11 02:30:50
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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 >>> >>> >>> No virus found in this incoming message. >>> Checked by AVG - http://www.avg.com >>> Version: 8.0.138 / Virus Database: 270.4.5/1537 - Release Date: 7/6/2008 5:26 AM >>> >>> >>> ------------------------------------------------------------------------ >>> >>> ------------------------------------------------------------------------- >>> Sponsored by: SourceForge.net Community Choice Awards: VOTE NOW! >>> Studies have shown that voting for your favorite open source project, >>> along with a healthy diet, reduces your potential for chronic lameness >>> and boredom. Vote Now at http://www.sourceforge.net/community/cca08 >>> ------------------------------------------------------------------------ >>> >>> _______________________________________________ >>> Opensipstack-osbcdevel mailing list >>> Ope...@li... >>> https://lists.sourceforge.net/lists/listinfo/opensipstack-osbcdevel >>> >>> >> ------------------------------------------------------------------------- >> Sponsored by: SourceForge.net Community Choice Awards: VOTE NOW! >> Studies have shown that voting for your favorite open source project, >> along with a healthy diet, reduces your potential for chronic lameness >> and boredom. Vote Now at http://www.sourceforge.net/community/cca08 >> _______________________________________________ >> Opensipstack-osbcdevel mailing list >> Ope...@li... >> https://lists.sourceforge.net/lists/listinfo/opensipstack-osbcdevel >> >> > > No virus found in this incoming message. > Checked by AVG - http://www.avg.com > Version: 8.0.138 / Virus Database: 270.4.6/1539 - Release Date: 7/7/2008 6:35 PM > > > > |
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From: James B. <jam...@gm...> - 2008-07-11 08:34:08
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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 >>>> >>>> >>>> No virus found in this incoming message. >>>> Checked by AVG - http://www.avg.com >>>> Version: 8.0.138 / Virus Database: 270.4.5/1537 - Release Date: 7/6/2008 >>>> 5:26 AM >>>> >>>> >>>> ------------------------------------------------------------------------ >>>> >>>> >>>> ------------------------------------------------------------------------- >>>> Sponsored by: SourceForge.net Community Choice Awards: VOTE NOW! >>>> Studies have shown that voting for your favorite open source project, >>>> along with a healthy diet, reduces your potential for chronic lameness >>>> and boredom. Vote Now at http://www.sourceforge.net/community/cca08 >>>> ------------------------------------------------------------------------ >>>> >>>> _______________________________________________ >>>> Opensipstack-osbcdevel mailing list >>>> Ope...@li... >>>> https://lists.sourceforge.net/lists/listinfo/opensipstack-osbcdevel >>>> >>>> >>> >>> ------------------------------------------------------------------------- >>> Sponsored by: SourceForge.net Community Choice Awards: VOTE NOW! >>> Studies have shown that voting for your favorite open source project, >>> along with a healthy diet, reduces your potential for chronic lameness >>> and boredom. Vote Now at http://www.sourceforge.net/community/cca08 >>> _______________________________________________ >>> Opensipstack-osbcdevel mailing list >>> Ope...@li... >>> https://lists.sourceforge.net/lists/listinfo/opensipstack-osbcdevel >>> >>> >> >> No virus found in this incoming message. >> Checked by AVG - http://www.avg.com Version: 8.0.138 / Virus Database: >> 270.4.6/1539 - Release Date: 7/7/2008 6:35 PM >> >> >> >> > > |
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