[JDEV] Packets not sent from server

[Gerard BUNEL]

I've no access to the CVS server

Could you send me the corrected files ?

Schuyler Heath a écrit :

> Hello,
>
> Yes, your analysis is correct.  The xdb_get() blocks the thread
> which the packet was delivered from, in this case the main MIO
> thread used by pthsock.  Since base_accept also uses MIO, the packet
> delivered to it is never written until the request expires and the
> thread is unblocked.  I'll get a fix into CVS in a few hours.
>
> Because auth is done by another component, JSM never "learns" anything
> about the user prior to the session start after auth.  It doesn't even
> know the user name actually exists.
>
> The jabber:iq:auth xdb_get() is done to make sure the user exists, since
> all valid users should have jabber:iq:auth set.  JSM doesn't actually
> check the
> result, just that there was indeed data returned.  It will do this
> xdb_get()
> when ever it receives a packet to a user without a session or a
> previously
> cached result(before storing offline messages, for example).
>
> When auth is handled by JSM, it still does the jabber:iq:auth request,
> just in another
> thread.  The result is cached, so the xdb_get() which is blocking MIO
> when the session
> starts is rarely called.
>
> Schuyler
>
> On Tue, May 29, 2001 at 04:43:36PM +0200, Gerard BUNEL wrote:
> > After a few analyze of what happens:
> >
> > It seems that the thread handling the XDB requests is locked, as it
> can be seen in the logs, there are 3 attempts to deliver to
> > the instance, and so 3calls to mio_write. But this calls are not
> followed by the _mio_write_dump
> > These one occurs after a probable timeout.
> >
> > Does anyone ever encountered this problem ?
> > Is there a solution ?
> >
> >
> > Mon May 28 15:54:16 2001  deliver.c:649 delivering to instance
> > 'xdb_test'
> > Mon May 28 15:54:16 2001  mio.c:908 mio_write called on x: 8377CD0
> > buffer: (null)
> > Mon May 28 15:54:16 2001  xdb.c:201 xdb_get() waiting for
> > gbunel at cezon.ago.fr jabber:iq:auth
> > Mon May 28 15:54:27 2001  deliver.c:460 DELIVER 2:cezon.ago.fr <xdb
> > type='get' to='gbunel at cezon.ago.fr' from='sessions'
> ns='jabber:iq:auth'
> > id='1'/>
> > Mon May 28 15:54:27 2001  deliver.c:649 delivering to instance
> > 'xdb_test'
> > Mon May 28 15:54:27 2001  mio.c:908 mio_write called on x: 83731F0
> > buffer: (null)
> > Mon May 28 15:54:38 2001  deliver.c:460 DELIVER 2:cezon.ago.fr <xdb
> > type='get' to='gbunel at cezon.ago.fr' from='sessions'
> ns='jabber:iq:auth'
> > id='1'/>
> > Mon May 28 15:54:38 2001  deliver.c:649 delivering to instance
> > 'xdb_test'
> > Mon May 28 15:54:38 2001  mio.c:908 mio_write called on x: 8373A48
> > buffer: (null)
> > Mon May 28 15:54:49 2001  xdb.c:206 xdb_get() done waiting for
> > gbunel at cezon.ago.fr jabber:iq:auth
> >
> > --
> > gerard.bunel at ago.fr - Atlantide - http://www.ago.fr/atlantide/
> > Technopole Brest Iroise BP 80802 - Site du Vernis - 29608 Brest cedex
> - France
> > Tel. : +33 2 98 05 43 21 - Fax. : +33 2 98 05 20 34
> > e-mail: atlantide-brest at ago.fr
> > Centre Affaires Oberthur - 74D, rue de Paris -  35700 Rennes - France
> > Tel. : +33 2 99 84 15 84 - Fax : +33 2 99 84 15 85
> > e-mail: atlantide-rennes at ago.fr
> >
> >
> > _______________________________________________
> > jdev mailing list
> > jdev at jabber.org
> > http://mailman.jabber.org/listinfo/jdev
> >

--
gerard.bunel at ago.fr - Atlantide - http://www.ago.fr/atlantide/
Technopole Brest Iroise BP 80802 - Site du Vernis - 29608 Brest cedex -
France
Tel. : +33 2 98 05 43 21 - Fax. : +33 2 98 05 20 34
e-mail: atlantide-brest at ago.fr
Centre Affaires Oberthur - 74D, rue de Paris -  35700 Rennes - France
Tel. : +33 2 99 84 15 84 - Fax : +33 2 99 84 15 85
e-mail: atlantide-rennes at ago.fr