示例#1
0
// Attr returns the attributes of a given node.
func (s *Node) Attr(ctx context.Context, a *fuse.Attr) error {
	log.Debug("Node attr.")
	if s.cached == nil {
		if err := s.loadData(); err != nil {
			return fmt.Errorf("readonly: loadData() failed: %s", err)
		}
	}
	switch s.cached.GetType() {
	case ftpb.Data_Directory:
		a.Mode = os.ModeDir | 0555
		a.Uid = uint32(os.Getuid())
		a.Gid = uint32(os.Getgid())
	case ftpb.Data_File:
		size := s.cached.GetFilesize()
		a.Mode = 0444
		a.Size = uint64(size)
		a.Blocks = uint64(len(s.Nd.Links))
		a.Uid = uint32(os.Getuid())
		a.Gid = uint32(os.Getgid())
	case ftpb.Data_Raw:
		a.Mode = 0444
		a.Size = uint64(len(s.cached.GetData()))
		a.Blocks = uint64(len(s.Nd.Links))
		a.Uid = uint32(os.Getuid())
		a.Gid = uint32(os.Getgid())
	case ftpb.Data_Symlink:
		a.Mode = 0777 | os.ModeSymlink
		a.Size = uint64(len(s.cached.GetData()))
		a.Uid = uint32(os.Getuid())
		a.Gid = uint32(os.Getgid())

	default:
		return fmt.Errorf("Invalid data type - %s", s.cached.GetType())
	}
	return nil
}