static int qemu_rbd_snap_list(BlockDriverState *bs,
QEMUSnapshotInfo **psn_tab)
{
BDRVRBDState *s = bs->opaque;
QEMUSnapshotInfo *sn_info, *sn_tab = NULL;
int i, snap_count;
rbd_snap_info_t *snaps;
int max_snaps = RBD_MAX_SNAPS;
do {
snaps = g_new(rbd_snap_info_t, max_snaps);
snap_count = rbd_snap_list(s->image, snaps, &max_snaps);
if (snap_count <= 0) {
g_free(snaps);
}
} while (snap_count == -ERANGE);
if (snap_count <= 0) {
goto done;
}
sn_tab = g_new0(QEMUSnapshotInfo, snap_count);
for (i = 0; i < snap_count; i++) {
const char *snap_name = snaps[i].name;
sn_info = sn_tab + i;
pstrcpy(sn_info->id_str, sizeof(sn_info->id_str), snap_name);
pstrcpy(sn_info->name, sizeof(sn_info->name), snap_name);
sn_info->vm_state_size = snaps[i].size;
sn_info->date_sec = 0;
sn_info->date_nsec = 0;
sn_info->vm_clock_nsec = 0;
}
rbd_snap_list_end(snaps);
g_free(snaps);
done:
*psn_tab = sn_tab;
return snap_count;
}
void test_ls_snaps(rbd_image_t image, int num_expected, ...)
{
rbd_snap_info_t *snaps;
int num_snaps, i, j, expected_size, max_size = 10;
char *expected;
va_list ap;
snaps = (rbd_snap_info_t *) malloc(sizeof(rbd_snap_info_t *) * 10);
num_snaps = rbd_snap_list(image, snaps, &max_size);
printf("num snaps is: %d\nexpected: %d\n", num_snaps, num_expected);
assert(num_snaps == num_expected);
for (i = 0; i < num_snaps; i++) {
printf("snap: %s\n", snaps[i].name);
}
va_start(ap, num_expected);
for (i = num_expected; i > 0; i--) {
expected = va_arg(ap, char *);
expected_size = va_arg(ap, int);
int found = 0;
for (j = 0; j < num_snaps; j++) {
if (snaps[j].name == NULL)
continue;
if (strcmp(snaps[j].name, expected) == 0) {
printf("found %s with size %llu\n", snaps[j].name, (unsigned long long) snaps[j].size);
assert((int)snaps[j].size == expected_size);
free((void *) snaps[j].name);
snaps[j].name = NULL;
found = 1;
break;
}
}
assert(found);
}
for (i = 0; i < num_snaps; i++) {
assert(snaps[i].name == NULL);
}
free(snaps);
}