5ac3e9ae54
This will be useful when BitTorrent 2 is implemented, and helps with creating arbitrary Info.Pieces
29 lines
502 B
Go
29 lines
502 B
Go
package metainfo
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import "github.com/anacrolix/missinggo"
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type Piece struct {
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Info *Info
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i int
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}
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func (p Piece) Length() int64 {
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if p.i == p.Info.NumPieces()-1 {
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return p.Info.TotalLength() - int64(p.i)*p.Info.PieceLength
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}
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return p.Info.PieceLength
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}
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func (p Piece) Offset() int64 {
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return int64(p.i) * p.Info.PieceLength
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}
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func (p Piece) Hash() (ret Hash) {
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missinggo.CopyExact(&ret, p.Info.Pieces[p.i*HashSize:(p.i+1)*HashSize])
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return
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}
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func (p Piece) Index() int {
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return p.i
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}
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