From e30f2777fc8883d8b13102b528aaa9b3458d8ad3 Mon Sep 17 00:00:00 2001
From: Matt Joiner <anacrolix@gmail.com>
Date: Sun, 14 Sep 2014 04:06:17 +1000
Subject: [PATCH] Missing torrent functions

---
 torrent.go | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/torrent.go b/torrent.go
index 19b5f053..ce9d9273 100644
--- a/torrent.go
+++ b/torrent.go
@@ -561,3 +561,19 @@ func (t *torrent) wantPiece(index int) bool {
 	p := t.Pieces[index]
 	return p.EverHashed && len(p.PendingChunkSpecs) != 0
 }
+
+func (t *torrent) connHasWantedPieces(c *connection) bool {
+	for p := range t.Pieces {
+		if t.wantPiece(p) && c.PeerHasPiece(pp.Integer(p)) {
+			return true
+		}
+	}
+	return false
+}
+
+func (t *torrent) extentPieces(off, _len int64) (pieces []int) {
+	for i := off / int64(t.UsualPieceSize()); i*int64(t.UsualPieceSize()) < off+_len; i++ {
+		pieces = append(pieces, int(i))
+	}
+	return
+}
-- 
2.48.1