filesystem

Documentation

Index

• Variables
• type Block
• type FileSystem
  • func NewFileSystem(torrent *meta.Torrent, path string) *FileSystem
  • func (fs *FileSystem) Dump() (int64, error)
  • func (fs *FileSystem) Need() *bitmap.Bitmap
  • func (fs *FileSystem) RequestData(index, begin, length int, blockc chan *Block)
  • func (fs *FileSystem) SavePiece(index, begin int, data []byte) (int, error)

Variables

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

filesystem error

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

Types

type Block

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

Block is minimum unit for transport

type FileSystem

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

FileSystem manager data for memory and disk

func NewFileSystem

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

NewFileSystem return a FileSystem instance

func (*FileSystem) Dump

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

Dump save data from memory to disk

func (*FileSystem) Need

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

Need return the need bitmap

func (*FileSystem) RequestData

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

RequestData get demand block from memory or disk

func (*FileSystem) SavePiece

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

SavePiece save a block to correspond piece