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[libvirt] Domain Event Handlers



Hello,

I have been playing around with the libvirt domain event handlers in Python and am seeing something surprising. I am using trunk libvirt and `event-test.py` with some more of the debugging strings uncommented.

When I trigger my first event:

virsh # define xppro-sp2-0.img.xml
Domain xppro-sp2-0.img defined from xppro-sp2-0.img.xml

The timeout and handle callbacks are called, but not my domainEventRegister handler:

Invoking Timeout CB
Invoking Handle CB

When I trigger a second event:

virsh # create xppro-sp2-0.img.xml
Domain xppro-sp2-0.img created from xppro-sp2-0.img.xml

my event handler for the first event is finally called:

Invoking Timeout CB
domainEventHandler EVENT: Domain xppro-sp2-0.img(-1) Added 1
Invoking Handle CB

Likewise for a third event:

virsh # destroy xppro-sp2-0.img
Domain xppro-sp2-0.img destroyed

Invoking Timeout CB
domainEventHandler EVENT: Domain xppro-sp2-0.img(1) Started 0
Invoking Handle CB

So my handler is always one event behind.

This behavior is not intended is it? Am I missing either something in `event-test.py` or in how I am using virsh that would correct this behavior?

Thank you,
Noah


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