Ejemplo n.º 1
0
// savePacker stores p in the backend.
func (r *Repository) savePacker(p *pack.Packer) error {
	debug.Log("save packer with %d blobs\n", p.Count())
	n, err := p.Finalize()
	if err != nil {
		return err
	}

	tmpfile := p.Writer().(*os.File)
	f, err := fs.Open(tmpfile.Name())
	if err != nil {
		return errors.Wrap(err, "Open")
	}

	data := make([]byte, n)
	m, err := io.ReadFull(f, data)
	if err != nil {
		return errors.Wrap(err, "ReadFul")
	}

	if uint(m) != n {
		return errors.Errorf("read wrong number of bytes from %v: want %v, got %v", tmpfile.Name(), n, m)
	}

	if err = f.Close(); err != nil {
		return errors.Wrap(err, "Close")
	}

	id := restic.Hash(data)
	h := restic.Handle{Type: restic.DataFile, Name: id.String()}

	err = r.be.Save(h, data)
	if err != nil {
		debug.Log("Save(%v) error: %v", h, err)
		return err
	}

	debug.Log("saved as %v", h)

	err = fs.Remove(tmpfile.Name())
	if err != nil {
		return errors.Wrap(err, "Remove")
	}

	// update blobs in the index
	for _, b := range p.Blobs() {
		debug.Log("  updating blob %v to pack %v", b.ID.Str(), id.Str())
		r.idx.Current().Store(restic.PackedBlob{
			Blob: restic.Blob{
				Type:   b.Type,
				ID:     b.ID,
				Offset: b.Offset,
				Length: uint(b.Length),
			},
			PackID: id,
		})
	}

	return nil
}
Ejemplo n.º 2
0
// savePacker stores p in the backend.
func (r *Repository) savePacker(p *pack.Packer) error {
	debug.Log("Repo.savePacker", "save packer with %d blobs\n", p.Count())
	data, err := p.Finalize()
	if err != nil {
		return err
	}

	id := backend.Hash(data)
	h := backend.Handle{Type: backend.Data, Name: id.String()}

	err = r.be.Save(h, data)
	if err != nil {
		debug.Log("Repo.savePacker", "Save(%v) error: %v", h, err)
		return err
	}

	debug.Log("Repo.savePacker", "saved as %v", h)

	// update blobs in the index
	for _, b := range p.Blobs() {
		debug.Log("Repo.savePacker", "  updating blob %v to pack %v", b.ID.Str(), id.Str())
		r.idx.Current().Store(PackedBlob{
			Type:   b.Type,
			ID:     b.ID,
			PackID: id,
			Offset: b.Offset,
			Length: uint(b.Length),
		})
	}

	return nil
}