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Add some comments to file storage

This commit is contained in:
Matt Joiner 2016-05-09 15:46:48 +10:00
parent cee49435e0
commit 0aabd37e6e
1 changed files with 6 additions and 0 deletions
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6
storage/file.go
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@ -10,6 +10,8 @@ import (
"github.com/anacrolix/torrent/metainfo" "github.com/anacrolix/torrent/metainfo"
) )
// File-based storage for torrents, that isn't yet bound to a particular
// torrent.
type fileStorage struct { type fileStorage struct {
baseDir string baseDir string
completed map[[20]byte]bool completed map[[20]byte]bool
@ -25,15 +27,18 @@ func (fs *fileStorage) OpenTorrent(info *metainfo.InfoEx) (Torrent, error) {
return fileTorrentStorage{fs}, nil return fileTorrentStorage{fs}, nil
} }
// File-based torrent storage, not yet bound to a Torrent.
type fileTorrentStorage struct { type fileTorrentStorage struct {
*fileStorage *fileStorage
} }
func (fs *fileStorage) Piece(p metainfo.Piece) Piece { func (fs *fileStorage) Piece(p metainfo.Piece) Piece {
// Create a view onto the file-based torrent storage.
_io := &fileStorageTorrent{ _io := &fileStorageTorrent{
p.Info, p.Info,
fs.baseDir, fs.baseDir,
} }
// Return the appropriate segments of this.
return &fileStoragePiece{ return &fileStoragePiece{
fs, fs,
p, p,
@ -65,6 +70,7 @@ func (fs *fileStoragePiece) MarkComplete() error {
return nil return nil
} }
// Exposes file-based storage of a torrent, as one big ReadWriterAt.
type fileStorageTorrent struct { type fileStorageTorrent struct {
info *metainfo.InfoEx info *metainfo.InfoEx
baseDir string baseDir string