For now always read ahead 4 extra blocks

diff --git a/client.go b/client.go
index d6e03cfd0d82884330c6314226440a6815646e07..a3ebdad7931fcb991c5b986acdb845299a0b040e 100644 (file)
--- a/client.go
+++ b/client.go
@@ -107,11 +107,13 @@ func (me *Client) PrioritizeDataRegion(ih InfoHash, off, len_ int64) error {
        if !t.haveInfo() {
                return errors.New("missing metadata")
        }
-       i := int(off / int64(t.UsualPieceSize()))
-       me.queueFirstHash(t, i)
-       i++
-       if i < t.NumPieces() {
-               me.queueFirstHash(t, i)
+       firstIndex := int(off / int64(t.UsualPieceSize()))
+       for i := 0; i < 5; i++ {
+               index := firstIndex + i
+               if index >= t.NumPieces() {
+                       continue
+               }
+               me.queueFirstHash(t, index)
        }
        me.downloadStrategy.TorrentPrioritize(t, off, len_)
        for _, cn := range t.Conns {