예제 #1
0
func (w *Writer) writeFile(nd *mdag.Node, pb *upb.Data, fpath string) error {
	if err := writeFileHeader(w.TarW, fpath, pb.GetFilesize()); err != nil {
		return err
	}

	dagr := uio.NewDataFileReader(w.ctx, nd, pb, w.Dag)
	if _, err := dagr.WriteTo(w.TarW); err != nil {
		return err
	}
	w.TarW.Flush()
	return nil
}
예제 #2
0
func FSNodeFromBytes(b []byte) (*FSNode, error) {
	pbn := new(pb.Data)
	err := proto.Unmarshal(b, pbn)
	if err != nil {
		return nil, err
	}

	n := new(FSNode)
	n.Data = pbn.Data
	n.blocksizes = pbn.Blocksizes
	n.subtotal = pbn.GetFilesize() - uint64(len(n.Data))
	n.Type = pbn.GetType()
	return n, nil
}
예제 #3
0
func DataSize(data []byte) (uint64, error) {
	pbdata := new(pb.Data)
	err := proto.Unmarshal(data, pbdata)
	if err != nil {
		return 0, err
	}

	switch pbdata.GetType() {
	case pb.Data_Directory:
		return 0, errors.New("Cant get data size of directory!")
	case pb.Data_File:
		return pbdata.GetFilesize(), nil
	case pb.Data_Raw:
		return uint64(len(pbdata.GetData())), nil
	default:
		return 0, errors.New("Unrecognized node data type!")
	}
}