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21.08.2013 12:39, Daniel P. Berrange пишет:
> 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
>
also looks like i do not receiving last event, i mean last event what
passed to callback is "eventcount - 1"
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