From: Andrew Svetlov <andrew.svetlov@gmail.com>
Date: Mon, 5 Jan 2015 19:15:40 +0000 (+0200)
Subject: Mention in Sec-WebSocket-Version all versions supported by tornado
X-Git-Tag: v4.1.0b1~42^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F1296%2Fhead;p=thirdparty%2Ftornado.git

Mention in Sec-WebSocket-Version all versions supported by tornado
 As RFC 6455 recommends for asnwer for unsopported protocol.
---

diff --git a/tornado/websocket.py b/tornado/websocket.py
index 5c762adb6..163a8b85c 100644
--- a/tornado/websocket.py
+++ b/tornado/websocket.py
@@ -179,7 +179,7 @@ class WebSocketHandler(tornado.web.RequestHandler):
             if not self.stream.closed():
                 self.stream.write(tornado.escape.utf8(
                     "HTTP/1.1 426 Upgrade Required\r\n"
-                    "Sec-WebSocket-Version: 8\r\n\r\n"))
+                    "Sec-WebSocket-Version: 7, 8, 13\r\n\r\n"))
                 self.stream.close()