filesystem

package

v0.0.0-...-d617ca5 Latest Latest Go to latest Published: Aug 4, 2019 License: MIT Imports: 14 Imported by: 0

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var (
	ErrInvaildIndex = errors.New("invaild index")
	ErrWrongOrder   = errors.New("wrong order")
)

filesystem error

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var (
	ErrPieceCheck = errors.New("check piece sha1 fail")
)

This section is empty.

type Block struct {
	Index int
	Begin int
	Data  []byte
}

Block is minimum unit for transport

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

FileSystem manager data for memory and disk

func NewFileSystem(torrent *meta.Torrent, path string) *FileSystem

NewFileSystem return a FileSystem instance

func (fs *FileSystem) Dump() (int64, error)

Dump save data from memory to disk

func (fs *FileSystem) Need() *bitmap.Bitmap

Need return the need bitmap

func (fs *FileSystem) RequestData(index, begin, length int, blockc chan *Block)

RequestData get demand block from memory or disk

func (fs *FileSystem) SavePiece(index, begin int, data []byte) (int, error)

SavePiece save a block to correspond piece