I just tried removing the callback before calling virStreamFinish and it worked right, I thought by simply finish the stream would stop the events and close it, the example I was based on only calls virStreamFinish on EOF event.
Em qua, 17 de mai de 2017 às 12:49, Martin Kletzander <mklet...@redhat.com> escreveu: > On Wed, May 17, 2017 at 09:08:14AM +0200, Martin Kletzander wrote: > >On Wed, May 17, 2017 at 01:01:39AM +0000, JosÉ Luis Valencia Gutierrez > wrote: > >>I get just _READABLE events repeatedly, virStreamAbort() doesn't work, it > >>gets out of control after the target domain stops and the unix scocket is > >>deleted. I ended connecting directly to the unix socket. I just wanted to > >>ask if it certainly is a bug or perhaps someone went through this before > >>and have a workaround. > >> > > > >It's OK workaround if you are on the same host and you can connect to > >the unix socket directly. But I think this is a bug and we need to fix > >it for others who need to call this remotely. > > > >Thanks for letting us know. Would you mind filing a bug so that we can > >track this issue properly? I'm currently trying to reproduce the issue, > >although I wasn't successful yet. > > > > So I played around with this for a while now and I can partially > reproduce what you are seeing, but with the correct usage it goes away. > So my guess is there is a stray call in your program somewhere or I > didn't reproduce exactly what you meant. > > After receiving the _READABLE event and doing virStreamRecv() that > returns 0 bytes read, did you try immediatelly removing the callback and > calling virStreamFinish() on the stream? > > What you see happening is something that is possible by not removing the > callback and then aborting the stream, for example. > > >>Jose V. > >>Em ter, 16 de mai de 2017 às 05:28, Martin Kletzander < > mklet...@redhat.com> > >>escreveu: > >> > >>> On Fri, Apr 28, 2017 at 11:01:18PM +0000, JosÉ Luis Valencia Gutierrez > >>> wrote: > >>> >Hello everyone, > >>> >I am opening a virChannel(unix) to a domain and receiving data with a > >>> >non-blocking virStream using events, when the connected domain gets > >>> >stopped(which deletes the channel unix socket) by calling destroy, > >>> >shutdown, pause or migrate on that domain, with the stream open the > read > >>> >event is triggered repeatedly, and virStreamRecv returns 0 bytes > >>> indicating > >>> > EOF but neither virStreamFinish nor virStreamFinish is working to > stop > >>> >the stream to trigger the event . Each time the event is called I got > this > >>> >errors. > >>> > > >>> >libvirt: I/O Stream Utils error : this function is not supported by > >>> >the connection driver: virStreamRecv > >>> > > >>> >libvirt: I/O Stream Utils error : this function is not supported by > >>> >the connection driver: virStreamFinish > >>> > > >>> >libvirt: I/O Stream Utils error : this function is not supported by > >>> >the connection driver: virStreamEventRemoveCallback > >>> > > >>> > > >>> >Is there other way to stop getting this errors? or perhaps this is a > bug. > >>> > > >>> > >>> This sounds like a bug. Do you get no other event than just _READABLE? > >>> No _HANGUP or _ERROR? Does virStreamAbort() work, even though it's > >>> probably not what you are looking for? > >>> > >>> >Thanks in advance. > >>> > > >>> >Jose Valencia > >>> > >>> >_______________________________________________ > >>> >libvirt-users mailing list > >>> >libvirt-users@redhat.com > >>> >https://www.redhat.com/mailman/listinfo/libvirt-users > >>> > > > > >_______________________________________________ > >libvirt-users mailing list > >libvirt-users@redhat.com > >https://www.redhat.com/mailman/listinfo/libvirt-users >
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