FedP2P/bad_storage.go

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2018-01-29 15:20:48 +08:00
package torrent
import (
"errors"
"math/rand"
"strings"
"github.com/anacrolix/torrent/metainfo"
"github.com/anacrolix/torrent/storage"
)
type badStorage struct{}
var _ storage.ClientImpl = badStorage{}
func (bs badStorage) OpenTorrent(*metainfo.Info, metainfo.Hash) (storage.TorrentImpl, error) {
return bs, nil
}
func (bs badStorage) Close() error {
return nil
}
func (bs badStorage) Piece(p metainfo.Piece) storage.PieceImpl {
return badStoragePiece{p}
}
type badStoragePiece struct {
p metainfo.Piece
}
var _ storage.PieceImpl = badStoragePiece{}
func (p badStoragePiece) WriteAt(b []byte, off int64) (int, error) {
return 0, nil
}
func (p badStoragePiece) Completion() storage.Completion {
return storage.Completion{Complete: true, Ok: true}
}
func (p badStoragePiece) MarkComplete() error {
return errors.New("psyyyyyyyche")
}
func (p badStoragePiece) MarkNotComplete() error {
return errors.New("psyyyyyyyche")
}
func (p badStoragePiece) randomlyTruncatedDataString() string {
return "hello, world\n"[:rand.Intn(14)]
}
func (p badStoragePiece) ReadAt(b []byte, off int64) (n int, err error) {
r := strings.NewReader(p.randomlyTruncatedDataString())
return r.ReadAt(b, off+p.p.Offset())
}