65 lines
1.2 KiB
Go
65 lines
1.2 KiB
Go
package torrent
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import "github.com/anacrolix/libtorgo/metainfo"
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// Provides access to regions of torrent data that correspond to its files.
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type File struct {
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t Torrent
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path string
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offset int64
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length int64
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fi metainfo.FileInfo
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}
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// Data for this file begins this far into the torrent.
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func (f *File) Offset() int64 {
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return f.offset
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}
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func (f File) FileInfo() metainfo.FileInfo {
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return f.fi
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}
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func (f File) Path() string {
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return f.path
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}
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func (f *File) Length() int64 {
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return f.length
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}
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type FilePieceState struct {
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Length int64
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State byte
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}
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func (f *File) Progress() (ret []FilePieceState) {
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pieceSize := int64(f.t.usualPieceSize())
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off := f.offset % pieceSize
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remaining := f.length
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for i := int(f.offset / pieceSize); ; i++ {
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if remaining == 0 {
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break
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}
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len1 := pieceSize - off
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if len1 > remaining {
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len1 = remaining
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}
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ret = append(ret, FilePieceState{len1, f.t.pieceStatusChar(i)})
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off = 0
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remaining -= len1
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}
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return
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}
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func (f *File) PrioritizeRegion(off, len int64) {
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if off < 0 || off >= f.length {
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return
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}
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if off+len > f.length {
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len = f.length - off
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}
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off += f.offset
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f.t.SetRegionPriority(off, len)
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}
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