Cache chunksPerRegularPiece

diff --git a/torrent.go b/torrent.go
index 3e91e736ea5a1546b9394500111b038baca1a324..e9bafe510791a9ba2eb9f967125d9d41903519df 100644 (file)
--- a/torrent.go
+++ b/torrent.go
@@ -87,6 +87,8 @@ type Torrent struct {
        fileIndex segments.Index
        files     *[]*File
 
+       _chunksPerRegularPiece chunkIndexType
+
        webSeeds map[string]*Peer
        // Active peer connections, running message stream loops. TODO: Make this
        // open (not-closed) connections only.
@@ -434,6 +436,7 @@ func (t *Torrent) setInfo(info *metainfo.Info) error {
        t.nameMu.Lock()
        t.info = info
        t.nameMu.Unlock()
+       t._chunksPerRegularPiece = chunkIndexType((pp.Integer(t.usualPieceSize()) + t.chunkSize - 1) / t.chunkSize)
        t.updateComplete()
        t.fileIndex = segments.NewIndex(common.LengthIterFromUpvertedFiles(info.UpvertedFiles()))
        t.displayName = "" // Save a few bytes lol.
@@ -919,7 +922,7 @@ func (t *Torrent) pieceNumChunks(piece pieceIndex) chunkIndexType {
 }
 
 func (t *Torrent) chunksPerRegularPiece() chunkIndexType {
-       return chunkIndexType((pp.Integer(t.usualPieceSize()) + t.chunkSize - 1) / t.chunkSize)
+       return t._chunksPerRegularPiece
 }
 
 func (t *Torrent) numRequests() RequestIndex {