From: Matt Joiner <anacrolix@gmail.com>
Date: Sat, 21 Feb 2015 03:58:28 +0000 (+1100)
Subject: Comments
X-Git-Tag: v1.0.0~1329
X-Git-Url: http://www.git.stargrave.org/?a=commitdiff_plain;h=e067bff5b3e6533ac97fe2edb790509a87f2afbf;p=btrtrc.git

Comments
---

diff --git a/client.go b/client.go
index c5ad0dd1..ba689c91 100644
--- a/client.go
+++ b/client.go
@@ -830,6 +830,8 @@ func handshake(sock io.ReadWriteCloser, ih *InfoHash, peerID [20]byte) (res hand
 	return
 }
 
+// Wraps a raw connection and provides the interface we want for using the
+// connection in the message loop.
 type peerConn struct {
 	net.Conn
 }
@@ -841,6 +843,7 @@ func (pc peerConn) Read(b []byte) (n int, err error) {
 		err = fmt.Errorf("error setting read deadline: %s", err)
 	}
 	n, err = pc.Conn.Read(b)
+	// Convert common errors into io.EOF.
 	if err != nil {
 		if opError, ok := err.(*net.OpError); ok && opError.Op == "read" && opError.Err == syscall.ECONNRESET {
 			err = io.EOF