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examples: Report network metadata change event

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Signed-off-by: K Shiva Kiran <shiva_kr@riseup.net>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
K Shiva Kiran 2023-09-03 20:28:40 +05:30 committed by Michal Privoznik
parent f7091b0c01
commit e9ffe9ad80
1 changed files with 76 additions and 9 deletions
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85
examples/c/misc/event-test.c
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@ -1065,6 +1065,43 @@ myDomainEventMetadataChangeCallback(virConnectPtr conn G_GNUC_UNUSED,
}
static const char *
networkMetadataTypeToStr(int type)
{
switch ((virNetworkMetadataType) type) {
case VIR_NETWORK_METADATA_DESCRIPTION:
return "description";
case VIR_NETWORK_METADATA_TITLE:
return "title";
case VIR_NETWORK_METADATA_ELEMENT:
return "element";
case VIR_NETWORK_METADATA_LAST:
break;
}
return "unknown";
}
static int
myNetworkEventMetadataChangeCallback(virConnectPtr conn G_GNUC_UNUSED,
virNetworkPtr net,
int type,
const char *nsuri,
void *opaque G_GNUC_UNUSED)
{
const char *typestr = networkMetadataTypeToStr(type);
char uuid[VIR_UUID_STRING_BUFLEN];
virNetworkGetUUIDString(net, uuid);
printf("%s EVENT: Network: (%s) uuid: (%s) metadata type: (%s) nsuri: (%s)\n",
__func__, virNetworkGetName(net), uuid, typestr, nsuri ? nsuri : "n/a");
return 0;
}
static void
myFreeFunc(void *opaque)
@ -1170,11 +1207,27 @@ struct secretEventData secretEvents[] = {
SECRET_EVENT(VIR_SECRET_EVENT_ID_VALUE_CHANGED, mySecretEventValueChanged),
};
struct networkEventData {
int event;
int id;
virConnectNetworkEventGenericCallback cb;
const char *name;
};
#define NETWORK_EVENT(event, callback) \
{event, -1, VIR_NETWORK_EVENT_CALLBACK(callback), #event}
struct networkEventData networkEvents[] = {
NETWORK_EVENT(VIR_NETWORK_EVENT_ID_LIFECYCLE, myNetworkEventCallback),
NETWORK_EVENT(VIR_NETWORK_EVENT_ID_METADATA_CHANGE, myNetworkEventMetadataChangeCallback),
};
/* make sure that the events are kept in sync */
G_STATIC_ASSERT(G_N_ELEMENTS(domainEvents) == VIR_DOMAIN_EVENT_ID_LAST);
G_STATIC_ASSERT(G_N_ELEMENTS(storagePoolEvents) == VIR_STORAGE_POOL_EVENT_ID_LAST);
G_STATIC_ASSERT(G_N_ELEMENTS(nodeDeviceEvents) == VIR_NODE_DEVICE_EVENT_ID_LAST);
G_STATIC_ASSERT(G_N_ELEMENTS(secretEvents) == VIR_SECRET_EVENT_ID_LAST);
G_STATIC_ASSERT(G_N_ELEMENTS(networkEvents) == VIR_NETWORK_EVENT_ID_LAST);
int
main(int argc, char **argv)
@ -1182,7 +1235,6 @@ main(int argc, char **argv)
int ret = EXIT_FAILURE;
virConnectPtr dconn = NULL;
int callback1ret = -1;
int callback16ret = -1;
size_t i;
if (argc > 1 && STREQ(argv[1], "--help")) {
@ -1241,11 +1293,21 @@ main(int argc, char **argv)
}
}
callback16ret = virConnectNetworkEventRegisterAny(dconn,
NULL,
VIR_NETWORK_EVENT_ID_LIFECYCLE,
VIR_NETWORK_EVENT_CALLBACK(myNetworkEventCallback),
strdup("net callback"), myFreeFunc);
/* register common network callbacks */
for (i = 0; i < G_N_ELEMENTS(networkEvents); i++) {
struct networkEventData *event = networkEvents + i;
event->id = virConnectNetworkEventRegisterAny(dconn, NULL,
event->event,
event->cb,
strdup(event->name),
myFreeFunc);
if (event->id < 0) {
fprintf(stderr, "Failed to register event '%s'\n", event->name);
goto cleanup;
}
}
/* register common storage pool callbacks */
for (i = 0; i < G_N_ELEMENTS(storagePoolEvents); i++) {
@ -1295,8 +1357,7 @@ main(int argc, char **argv)
}
}
if ((callback1ret == -1) ||
(callback16ret == -1))
if (callback1ret == -1)
goto cleanup;
if (virConnectSetKeepAlive(dconn, 5, 3) < 0) {
@ -1314,7 +1375,6 @@ main(int argc, char **argv)
printf("Deregistering event callbacks\n");
virConnectDomainEventDeregister(dconn, myDomainEventCallback1);
virConnectNetworkEventDeregisterAny(dconn, callback16ret);
printf("Deregistering domain event callbacks\n");
@ -1324,6 +1384,13 @@ main(int argc, char **argv)
}
printf("Deregistering network event callbacks\n");
for (i = 0; i < G_N_ELEMENTS(networkEvents); i++) {
if (networkEvents[i].id > 0)
virConnectNetworkEventDeregisterAny(dconn, networkEvents[i].id);
}
printf("Deregistering storage pool event callbacks\n");
for (i = 0; i < G_N_ELEMENTS(storagePoolEvents); i++) {
if (storagePoolEvents[i].id > 0)