From: Matt Joiner <anacrolix@gmail.com>
Date: Sat, 10 Jan 2015 13:17:18 +0000 (+1100)
Subject: Favour earlier pieces
X-Git-Tag: v1.0.0~1370
X-Git-Url: http://www.git.stargrave.org/?a=commitdiff_plain;h=bcebf569b8918b8a9d9b7987b8a5fe9fe29dad6e;p=btrtrc.git

Favour earlier pieces
---

diff --git a/connection.go b/connection.go
index 3aa0a467..3f71ace6 100644
--- a/connection.go
+++ b/connection.go
@@ -104,6 +104,8 @@ func (cn *connection) pendPiece(piece int, priority piecePriority) {
 	case piecePriorityNow:
 		key -= len(cn.piecePriorities)
 	}
+	// Favour earlier pieces more than later pieces.
+	key -= piece / 2
 	cn.pieceRequestOrder.SetPiece(piece, key)
 }