Comments

diff --git a/client.go b/client.go
index c5ad0dd1399055a7de9c4125c1dbeeb8029097e4..ba689c91a8f3d0016e0f419a503c22d4ae92d44b 100644 (file)
--- 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