// Set an xattr for an object identified by its key.
func (c *Context) SetXattr(key, name string, value []byte) error {
ckey := C.CString(key)
defer C.free(unsafe.Pointer(ckey))
cname := C.CString(name)
defer C.free(unsafe.Pointer(cname))
cdata, cdatalen := byteSliceToBuffer(value)
if cerr := C.rados_setxattr(c.ctx, ckey, cname, cdata, cdatalen); cerr < 0 {
return radosReturnCodeError(cerr)
}
return nil
}
// Sets an xattr for an object with key `name` with value as `data`
func (ioctx *IOContext) SetXattr(object string, name string, data []byte) error {
c_object := C.CString(object)
c_name := C.CString(name)
defer C.free(unsafe.Pointer(c_object))
defer C.free(unsafe.Pointer(c_name))
ret := C.rados_setxattr(
ioctx.ioctx,
c_object,
c_name,
(*C.char)(unsafe.Pointer(&data[0])),
(C.size_t)(len(data)))
return GetRadosError(ret)
}
// SetAttribute sets an extended attribute of the object.
func (o *Object) SetAttribute(attributeName string, attributeValue io.Reader) error {
object := C.CString(o.name)
attribute := C.CString(attributeName)
defer freeString(object)
defer freeString(attribute)
bufAddr, bufLen := readerToBuf(attributeValue)
ret := C.rados_setxattr(o.ioContext, object, attribute, bufAddr, bufLen)
if err := toRadosError(ret); err != nil {
err.Message = fmt.Sprintf("Unable to set attribute %s of object %s.", attributeName, o.name)
return err
}
return nil
}
func (r *RadosIoCtx) SetXattr(oid, name, value string) error {
cname := C.CString(name)
coid := C.CString(oid)
cvalue := C.CString(value)
defer func() {
C.free(unsafe.Pointer(cname))
C.free(unsafe.Pointer(coid))
C.free(unsafe.Pointer(cvalue))
}()
cerr := C.rados_setxattr(*r.ctx, coid, cname, cvalue, C.size_t(len(value)))
if cerr < 0 {
return errors.New("set xattr failed")
}
return nil
}
