package torrent import "github.com/anacrolix/torrent/metainfo" // Provides access to regions of torrent data that correspond to its files. type File struct { t Torrent path string offset int64 length int64 fi metainfo.FileInfo } // Data for this file begins this far into the torrent. func (f *File) Offset() int64 { return f.offset } func (f File) FileInfo() metainfo.FileInfo { return f.fi } func (f File) Path() string { return f.path } func (f *File) Length() int64 { return f.length } type FilePieceState struct { Bytes int64 // Bytes within the piece that are part of this File. PieceState } // Returns the state of pieces in this file. func (f *File) State() (ret []FilePieceState) { pieceSize := int64(f.t.usualPieceSize()) off := f.offset % pieceSize remaining := f.length for i := int(f.offset / pieceSize); ; i++ { if remaining == 0 { break } len1 := pieceSize - off if len1 > remaining { len1 = remaining } f.t.cl.mu.RLock() ps := f.t.pieceState(i) f.t.cl.mu.RUnlock() ret = append(ret, FilePieceState{len1, ps}) off = 0 remaining -= len1 } return } func (f *File) PrioritizeRegion(off, len int64) { if off < 0 || off >= f.length { return } if off+len > f.length { len = f.length - off } off += f.offset f.t.SetRegionPriority(off, len) }