On Wed, Aug 21, 2013 at 12:36:06PM +0300, Alexandr wrote:
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> 21.08.2013 09:46, Alexandr пишет:
> > 21.08.2013 09:32, Martin Kletzander пишет:
> >> On Wed 21 Aug 2013 01:03:37 AM CEST, Alexandr wrote:
> >>>
> >>> good day. i trying to make callback function for
> >>> VIR_DOMAIN_EVENT_ID_LIFECYCLE, i have successfully registering
> >>> callback, but it never called, i need to know when domain
> >>> started, stopped or crashed, i have write following code
> >>>
> >>> static int domain_event_handler(virConnectPtr conn,
> >>> virDomainPtr dom, int event, int detail, void * opaque) {
> >>> switch(event) { } return 0; }
> >>>
> >>> ..... int callback =
> >>> virConnectDomainEventRegisterAny(libvirt_connection, NULL,
> >>> VIR_DOMAIN_EVENT_ID_LIFECYCLE,
> >>> VIR_DOMAIN_EVENT_CALLBACK(domain_event_handler), NULL, NULL);
> >>> if(callback == -1) { std::cout<<"Error: failed to register
> >>> domain event handle callback\n"; return -1; } .....
> >>>
> >>>
> >>> but "domain_event_handler" is never called, what is wrong here
> >>> ?
> >
> >> Are you running an event loop? You can have a look at our
> >> examples [1] and see what's being done there. Especially note
> >> the virEventRunDefaultImpl() [2] there.
> >
> >> Martin
> >
> >> [1]
> >> http://libvirt.org/git/?p=libvirt.git;a=blob;f=examples/domain-events/events-c/event-test.c;h=52aa3d08d7326e422c12a8521717c3d55b2d8afd;hb=HEAD
> >
> >>
> >
> > [2]
> >> http://libvirt.org/git/?p=libvirt.git;a=blob;f=examples/domain-events/events-c/event-test.c;h=52aa3d08d7326e422c12a8521717c3d55b2d8afd;hb=HEAD#l611
> >
> >>
> >
> > oh..., i missed it, thx for hint and sorry for stupid questions .
>
> now it's working except for events from other connections, for example
> i want to handle domain started by virt-manager, now i do not have
> event when it's started, is exists any api to handle this events, or i
> need to implement internal polling of domains state in my application ?
The events system reports all lifecycle events, regardless of which
connection triggered them.
If you're not seeing events from domains started by virt-manager then
your almost certainly connecting to a different libvirt URI than
virt-manager is using.
Daniel
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