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add an example how to use tunable event

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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
This commit is contained in:
Pavel Hrdina 2014-08-26 23:47:44 +02:00
parent e426718129
commit 9e734ab73e
1 changed files with 51 additions and 1 deletions
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52
examples/object-events/event-test.c
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@ -464,6 +464,48 @@ static int myNetworkEventCallback(virConnectPtr conn ATTRIBUTE_UNUSED,
return 0;
}
static int
myDomainEventTunableCallback(virConnectPtr conn ATTRIBUTE_UNUSED,
virDomainPtr dom,
virTypedParameterPtr params,
int nparams,
void *opaque ATTRIBUTE_UNUSED)
{
size_t i;
printf("%s EVENT: Domain %s(%d) tunable updated:\n",
__func__, virDomainGetName(dom), virDomainGetID(dom));
for (i = 0; i < nparams; i++) {
switch (params[i].type) {
case VIR_TYPED_PARAM_INT:
printf("\t%s: %d\n", params[i].field, params[i].value.i);
break;
case VIR_TYPED_PARAM_UINT:
printf("\t%s: %u\n", params[i].field, params[i].value.ui);
break;
case VIR_TYPED_PARAM_LLONG:
printf("\t%s: %lld\n", params[i].field, params[i].value.l);
break;
case VIR_TYPED_PARAM_ULLONG:
printf("\t%s: %llu\n", params[i].field, params[i].value.ul);
break;
case VIR_TYPED_PARAM_DOUBLE:
printf("\t%s: %g\n", params[i].field, params[i].value.d);
break;
case VIR_TYPED_PARAM_BOOLEAN:
printf("\t%s: %d\n", params[i].field, params[i].value.b);
break;
case VIR_TYPED_PARAM_STRING:
printf("\t%s: %s\n", params[i].field, params[i].value.s);
break;
default:
printf("\t%s: unknown type\n", params[i].field);
}
}
return 0;
}
static void myFreeFunc(void *opaque)
{
@ -506,6 +548,7 @@ int main(int argc, char **argv)
int callback14ret = -1;
int callback15ret = -1;
int callback16ret = -1;
int callback17ret = -1;
struct sigaction action_stop;
memset(&action_stop, 0, sizeof(action_stop));
@ -624,6 +667,11 @@ int main(int argc, char **argv)
VIR_NETWORK_EVENT_ID_LIFECYCLE,
VIR_NETWORK_EVENT_CALLBACK(myNetworkEventCallback),
strdup("net callback"), myFreeFunc);
callback17ret = virConnectDomainEventRegisterAny(dconn,
NULL,
VIR_DOMAIN_EVENT_ID_TUNABLE,
VIR_DOMAIN_EVENT_CALLBACK(myDomainEventTunableCallback),
strdup("tunable"), myFreeFunc);
if ((callback1ret != -1) &&
(callback2ret != -1) &&
@ -639,7 +687,8 @@ int main(int argc, char **argv)
(callback13ret != -1) &&
(callback14ret != -1) &&
(callback15ret != -1) &&
(callback16ret != -1)) {
(callback16ret != -1) &&
(callback17ret != -1)) {
if (virConnectSetKeepAlive(dconn, 5, 3) < 0) {
virErrorPtr err = virGetLastError();
fprintf(stderr, "Failed to start keepalive protocol: %s\n",
@ -671,6 +720,7 @@ int main(int argc, char **argv)
virConnectDomainEventDeregisterAny(dconn, callback14ret);
virConnectDomainEventDeregisterAny(dconn, callback15ret);
virConnectNetworkEventDeregisterAny(dconn, callback16ret);
virConnectDomainEventDeregisterAny(dconn, callback17ret);
if (callback8ret != -1)
virConnectDomainEventDeregisterAny(dconn, callback8ret);
}