package zstdchunked

import "github.com/containerd/stargz-snapshotter/estargz/zstdchunked"

Index

Constants 

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
)

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 

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

zstdchunked.go

Version
v0.16.3 (latest)
Published
Dec 12, 2024
Platform
darwin/amd64
Imports
11 packages
Last checked
10 months ago –

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