zstdchunked

package

v0.15.1 Latest Latest Go to latest Published: Oct 31, 2023 License: Apache-2.0 Imports: 11 Imported by: 3

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Repository

github.com/containerd/stargz-snapshotter

Links

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Documentation ¶

Index ¶

Constants
type Compressor
- func (zc *Compressor) WriteTOCAndFooter(w io.Writer, off int64, toc *estargz.JTOC, diffHash hash.Hash) (digest.Digest, error)
- func (zc *Compressor) Writer(w io.Writer) (estargz.WriteFlushCloser, error)
type Decompressor

Constants ¶

View Source

const (
	// ManifestChecksumAnnotation is an annotation that contains the compressed TOC Digset
	ManifestChecksumAnnotation = "io.containers.zstd-chunked.manifest-checksum"

	// ManifestPositionAnnotation is an annotation that contains the offset to the TOC.
	ManifestPositionAnnotation = "io.containers.zstd-chunked.manifest-position"

	// FooterSize is the size of the footer
	FooterSize = 40
)

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Compressor ¶

type Compressor struct {
	CompressionLevel zstd.EncoderLevel
	Metadata         map[string]string
	// contains filtered or unexported fields
}

func (*Compressor) WriteTOCAndFooter ¶

func (zc *Compressor) WriteTOCAndFooter(w io.Writer, off int64, toc *estargz.JTOC, diffHash hash.Hash) (digest.Digest, error)

func (*Compressor) Writer ¶

func (zc *Compressor) Writer(w io.Writer) (estargz.WriteFlushCloser, error)

type Decompressor ¶

type Decompressor struct{}

func (*Decompressor) DecompressTOC ¶ added in v0.10.0

func (zz *Decompressor) DecompressTOC(r io.Reader) (tocJSON io.ReadCloser, err error)

func (*Decompressor) FooterSize ¶

func (zz *Decompressor) FooterSize() int64

func (*Decompressor) ParseFooter ¶

func (zz *Decompressor) ParseFooter(p []byte) (blobPayloadSize, tocOffset, tocSize int64, err error)

func (*Decompressor) ParseTOC ¶

func (zz *Decompressor) ParseTOC(r io.Reader) (toc *estargz.JTOC, tocDgst digest.Digest, err error)

func (*Decompressor) Reader ¶

func (zz *Decompressor) Reader(r io.Reader) (io.ReadCloser, error)

Source Files ¶

View all Source files

zstdchunked.go

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