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event: introduce new event for tunable values

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This new event will use typedParameters to expose what has been actually
updated and the reason is that we can in the future extend any tunable
values or add new tunable values. With typedParameters we don't have to
worry about creating some other events, we will just use this universal
event to inform user about updates.

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
This commit is contained in:
Pavel Hrdina
2014-09-10 13:28:24 +02:00
parent ad56f86378
commit e426718129
9 changed files with 271 additions and 1 deletions
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33
tools/virsh-domain.c
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@@ -11454,6 +11454,37 @@ vshEventDeviceRemovedPrint(virConnectPtr conn ATTRIBUTE_UNUSED,
vshEventDone(data->ctl);
}
static void
vshEventTunablePrint(virConnectPtr conn ATTRIBUTE_UNUSED,
virDomainPtr dom,
virTypedParameterPtr params,
int nparams,
void *opaque)
{
vshDomEventData *data = opaque;
size_t i;
char *value = NULL;
if (!data->loop && *data->count)
return;
vshPrint(data->ctl,
_("event 'tunable' for domain %s:\n"),
virDomainGetName(dom));
for (i = 0; i < nparams; i++) {
value = virTypedParameterToString(&params[i]);
if (value) {
vshPrint(data->ctl, _("\t%s: %s\n"), params[i].field, value);
VIR_FREE(value);
}
}
(*data->count)++;
if (!data->loop)
vshEventDone(data->ctl);
}
static vshEventCallback vshEventCallbacks[] = {
{ "lifecycle",
VIR_DOMAIN_EVENT_CALLBACK(vshEventLifecyclePrint), },
@@ -11487,6 +11518,8 @@ static vshEventCallback vshEventCallbacks[] = {
VIR_DOMAIN_EVENT_CALLBACK(vshEventDeviceRemovedPrint), },
{ "block-job-2",
VIR_DOMAIN_EVENT_CALLBACK(vshEventBlockJobPrint), },
{ "tunable",
VIR_DOMAIN_EVENT_CALLBACK(vshEventTunablePrint), },
};
verify(VIR_DOMAIN_EVENT_ID_LAST == ARRAY_CARDINALITY(vshEventCallbacks));