// SnapshotLookup returns the id of the given snapshot.
func (pool *Pool) LookupPoolSnapshot(snapshotName string) (SnapshotId, error) {
name := C.CString(snapshotName)
defer freeString(name)
var id C.rados_snap_t
ret := C.rados_ioctx_snap_lookup(pool.context, name, &id)
if err := toRadosError(ret); err != nil {
err.Message = fmt.Sprintf("Unable to lookup id for pool snapshot %s.", snapshotName)
return 0, err
}
return SnapshotId(id), nil
}
func (r *RadosIoCtx) SnapLookup(snapname string) (RadosSnapId, error) {
var snapid C.rados_snap_t
csnapname := C.CString(snapname)
defer func() {
C.free(unsafe.Pointer(csnapname))
}()
cerr := C.rados_ioctx_snap_lookup(*r.ctx, csnapname, &snapid)
if cerr < 0 {
return 0, errors.New("lookup snap failed")
}
return RadosSnapId(snapid), nil
}