예제 #1
0
파일: repacker.go 프로젝트: marete/restic
// repackBlob loads a single blob from src and saves it in dst.
func repackBlob(src, dst *repository.Repository, id backend.ID) error {
	blob, err := src.Index().Lookup(id)
	if err != nil {
		return err
	}

	debug.Log("RepackBlobs", "repacking blob %v, len %v", id.Str(), blob.PlaintextLength())

	buf := make([]byte, 0, blob.PlaintextLength())
	buf, err = src.LoadBlob(blob.Type, id, buf)
	if err != nil {
		return err
	}

	if uint(len(buf)) != blob.PlaintextLength() {
		debug.Log("RepackBlobs", "repack blob %v: len(buf) isn't equal to length: %v = %v", id.Str(), len(buf), blob.PlaintextLength())
		return errors.New("LoadBlob returned wrong data, len() doesn't match")
	}

	_, err = dst.SaveAndEncrypt(blob.Type, buf, &id)
	if err != nil {
		return err
	}

	return nil
}
예제 #2
0
파일: cmd_dump.go 프로젝트: marete/restic
func printTrees(repo *repository.Repository, wr io.Writer) error {
	done := make(chan struct{})
	defer close(done)

	trees := []backend.ID{}

	for _, idx := range repo.Index().All() {
		for blob := range idx.Each(nil) {
			if blob.Type != pack.Tree {
				continue
			}

			trees = append(trees, blob.ID)
		}
	}

	for _, id := range trees {
		tree, err := restic.LoadTree(repo, id)
		if err != nil {
			fmt.Fprintf(os.Stderr, "LoadTree(%v): %v", id.Str(), err)
			continue
		}

		fmt.Fprintf(wr, "tree_id: %v\n", id)

		prettyPrintJSON(wr, tree)
	}

	return nil
}
예제 #3
0
파일: node.go 프로젝트: klauspost/restic
func (node Node) createFileAt(path string, repo *repository.Repository) error {
	f, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY, 0600)
	defer f.Close()

	if err != nil {
		return errors.Annotate(err, "OpenFile")
	}

	var buf []byte
	for _, id := range node.Content {
		_, _, _, length, err := repo.Index().Lookup(id)
		if err != nil {
			return err
		}

		buf = buf[:cap(buf)]
		if uint(len(buf)) < length {
			buf = make([]byte, length)
		}

		buf, err := repo.LoadBlob(pack.Data, id, buf)
		if err != nil {
			return errors.Annotate(err, "Load")
		}

		_, err = f.Write(buf)
		if err != nil {
			return errors.Annotate(err, "Write")
		}
	}

	return nil
}
예제 #4
0
파일: repacker.go 프로젝트: marete/restic
// FindBlobsForPacks returns the set of blobs contained in a pack of packs.
func FindBlobsForPacks(repo *repository.Repository, packs backend.IDSet) (backend.IDSet, error) {
	blobs := backend.NewIDSet()

	for packID := range packs {
		for _, packedBlob := range repo.Index().ListPack(packID) {
			blobs.Insert(packedBlob.ID)
		}
	}

	return blobs, nil
}
예제 #5
0
파일: repacker.go 프로젝트: marete/restic
// FindPacksForBlobs returns the set of packs that contain the blobs.
func FindPacksForBlobs(repo *repository.Repository, blobs backend.IDSet) (backend.IDSet, error) {
	packs := backend.NewIDSet()
	idx := repo.Index()
	for id := range blobs {
		blob, err := idx.Lookup(id)
		if err != nil {
			return nil, err
		}

		packs.Insert(blob.PackID)
	}

	return packs, nil
}
예제 #6
0
파일: file.go 프로젝트: tharrisone/restic
func newFile(repo *repository.Repository, node *restic.Node) (*file, error) {
	sizes := make([]uint32, len(node.Content))
	for i, blobID := range node.Content {
		length, err := repo.Index().LookupSize(blobID)
		if err != nil {
			return nil, err
		}
		sizes[i] = uint32(length)
	}

	return &file{
		repo:  repo,
		node:  node,
		sizes: sizes,
		blobs: make([][]byte, len(node.Content)),
	}, nil
}
예제 #7
0
파일: cmd_fsck.go 프로젝트: rawtaz/restic
func fsckFile(global CmdFsck, repo *repository.Repository, IDs []backend.ID) (uint64, error) {
	debug.Log("restic.fsckFile", "checking file %v", IDs)
	var bytes uint64

	for _, id := range IDs {
		debug.Log("restic.fsck", "  checking data blob %v\n", id)

		// test if blob is in the index
		packID, tpe, _, length, err := repo.Index().Lookup(id)
		if err != nil {
			return 0, fmt.Errorf("storage for blob %v (%v) not found", id, tpe)
		}

		bytes += uint64(length - crypto.Extension)
		debug.Log("restic.fsck", "  blob found in pack %v\n", packID)

		if global.CheckData {
			// load content
			_, err := repo.LoadBlob(pack.Data, id)
			if err != nil {
				return 0, err
			}
		} else {
			// test if pack for data blob is there
			ok, err := repo.Backend().Test(backend.Data, packID.String())
			if err != nil {
				return 0, err
			}

			if !ok {
				return 0, fmt.Errorf("data blob %v not found", id)
			}
		}

		// if orphan check is active, record storage id
		if global.o_data != nil {
			debug.Log("restic.fsck", "  recording blob %v as used\n", id)
			global.o_data.Insert(id)
		}
	}

	return bytes, nil
}