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snapshot: implement getparent for vbox

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Built by copying from existing functions.

* src/vbox/vbox_tmpl.c (vboxDomainSnapshotGetParent): New function.
This commit is contained in:
Eric Blake 2011-09-29 14:26:03 -06:00
parent 0664d41b55
commit 8bdd603920
1 changed files with 67 additions and 0 deletions
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67
src/vbox/vbox_tmpl.c
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@ -6045,6 +6045,72 @@ cleanup:
return ret;
}
static virDomainSnapshotPtr
vboxDomainSnapshotGetParent(virDomainSnapshotPtr snapshot,
unsigned int flags)
{
virDomainPtr dom = snapshot->domain;
VBOX_OBJECT_CHECK(dom->conn, virDomainSnapshotPtr, NULL);
vboxIID iid = VBOX_IID_INITIALIZER;
IMachine *machine = NULL;
ISnapshot *snap = NULL;
ISnapshot *parent = NULL;
PRUnichar *nameUtf16 = NULL;
char *name = NULL;
nsresult rc;
virCheckFlags(0, NULL);
vboxIIDFromUUID(&iid, dom->uuid);
rc = VBOX_OBJECT_GET_MACHINE(iid.value, &machine);
if (NS_FAILED(rc)) {
vboxError(VIR_ERR_NO_DOMAIN, "%s",
_("no domain with matching UUID"));
goto cleanup;
}
if (!(snap = vboxDomainSnapshotGet(data, dom, machine, snapshot->name)))
goto cleanup;
rc = snap->vtbl->GetParent(snap, &parent);
if (NS_FAILED(rc)) {
vboxError(VIR_ERR_INTERNAL_ERROR,
_("could not get parent of snapshot %s"),
snapshot->name);
goto cleanup;
}
if (!parent) {
vboxError(VIR_ERR_NO_DOMAIN_SNAPSHOT,
_("snapshot '%s' does not have a parent"),
snapshot->name);
goto cleanup;
}
rc = parent->vtbl->GetName(parent, &nameUtf16);
if (NS_FAILED(rc) || !nameUtf16) {
vboxError(VIR_ERR_INTERNAL_ERROR,
_("could not get name of parent of snapshot %s"),
snapshot->name);
goto cleanup;
}
VBOX_UTF16_TO_UTF8(nameUtf16, &name);
if (!name) {
virReportOOMError();
goto cleanup;
}
ret = virGetDomainSnapshot(dom, name);
cleanup:
VBOX_UTF8_FREE(name);
VBOX_UTF16_FREE(nameUtf16);
VBOX_RELEASE(snap);
VBOX_RELEASE(parent);
VBOX_RELEASE(machine);
vboxIIDUnalloc(&iid);
return ret;
}
static virDomainSnapshotPtr
vboxDomainSnapshotCurrent(virDomainPtr dom,
unsigned int flags)
@ -8879,6 +8945,7 @@ virDriver NAME(Driver) = {
.domainSnapshotListNames = vboxDomainSnapshotListNames, /* 0.8.0 */
.domainSnapshotLookupByName = vboxDomainSnapshotLookupByName, /* 0.8.0 */
.domainHasCurrentSnapshot = vboxDomainHasCurrentSnapshot, /* 0.8.0 */
.domainSnapshotGetParent = vboxDomainSnapshotGetParent, /* 0.9.7 */
.domainSnapshotCurrent = vboxDomainSnapshotCurrent, /* 0.8.0 */
.domainRevertToSnapshot = vboxDomainRevertToSnapshot, /* 0.8.0 */
.domainSnapshotDelete = vboxDomainSnapshotDelete, /* 0.8.0 */