[libvirt-users] virConnectDomainEventRegisterAny problem

Alexandr sss at sss.chaoslab.ru
Wed Aug 21 06:46:21 UTC 2013


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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 .
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