// Clone a range between two objects.
func (c *Context) CloneRange(dst string, dstOffset uint64, src string, srcOffset uint64, length uint64) error {
cdst := C.CString(dst)
defer C.free(unsafe.Pointer(cdst))
csrc := C.CString(src)
defer C.free(unsafe.Pointer(csrc))
if cerr := C.rados_clone_range(c.ctx, cdst, C.uint64_t(dstOffset), csrc, C.uint64_t(srcOffset), C.size_t(length)); cerr < 0 {
return radosReturnCodeError(cerr)
}
return nil
}
// Clone clones a length of data from an object given an offest to another object starting at an offset. The source
// and destination objects must be on the same PG. This requires that a locator key must be set first.
func (o *Object) Clone(target *Object, srcOffset, dstOffset, length uint64) error {
srcOid := C.CString(o.name)
dstOid := C.CString(target.name)
defer freeString(srcOid)
defer freeString(dstOid)
so := C.uint64_t(srcOffset)
do := C.uint64_t(dstOffset)
ln := C.size_t(length)
ret := C.rados_clone_range(o.ioContext, dstOid, do, srcOid, so, ln)
if err := toRadosError(ret); err != nil {
err.Message = fmt.Sprintf("Unable to clone %s to %s.", o.name, target.name)
return err
}
return nil
}