util

package
v1.3.0 Latest Latest
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 Go to latest Published: Jul 1, 2022 License: MIT Imports: 33 Imported by: 2

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Index

Constants

View Source 
const BufSize = (4 << 20) / 128 * 127
View Source 
const UnixfsChunkSize uint64 = 1 << 20
View Source 
const UnixfsLinksPerLevel = 1 << 10

Variables

This section is empty.

Functions

func BuildFileNode 

func BuildFileNode(ctx context.Context, item Finfo, bufDs ipld.DAGService, cidBuilder cid.Builder) (node ipld.Node, err error)

func CalculateCommpHashHash 

func CalculateCommpHashHash(reader io.Reader, PadPieceSize uint64) (commCid cid.Cid, pieceSize uint64, err error)

Types

type CarHeader 

type CarHeader struct {
	Roots   []cid.Cid
	Version uint64
}

type CidMapValue added in v1.3.0 

type CidMapValue struct {
	IsDir bool
	Cid   string
}

type FSBuilder 

type FSBuilder struct {
	// contains filtered or unexported fields
}

func NewFSBuilder 

func NewFSBuilder(root *dag.ProtoNode, ds ipld.DAGService) *FSBuilder

func (*FSBuilder) Build 

func (b *FSBuilder) Build() (rootn *FsNode, err error)

type Finfo 

type Finfo struct {
	Path  string
	Size  int64
	Start int64
	End   int64
}

type FsNode 

type FsNode struct {
	Name string
	Hash string
	Size uint64
	Link []FsNode
}

func GenerateCar 

func GenerateCar(ctx context.Context, fileList []Finfo, parentPath string, tmpDir string, output io.Writer) (ipldDag *FsNode, cid string, cidMap map[string]CidMapValue, err error)

Source Files

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