From fdbb3b76cf8cd7caaa644dc31e48521096ed5349 Mon Sep 17 00:00:00 2001
From: Thomas Kriechbaumer <thomas@kriechbaumer.name>
Date: Mon, 8 Jun 2015 16:54:19 +0200
Subject: http2: add warning if raw data looks like HTTP/1

---
 netlib/http2/frame.py | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'netlib/http2/frame.py')

diff --git a/netlib/http2/frame.py b/netlib/http2/frame.py
index ac9b8d50..4a305d82 100644
--- a/netlib/http2/frame.py
+++ b/netlib/http2/frame.py
@@ -1,3 +1,4 @@
+import sys
 import struct
 from functools import reduce
 from hpack.hpack import Encoder, Decoder
@@ -79,6 +80,9 @@ class Frame(object):
         flags = fields[3]
         stream_id = fields[4]
 
+        if raw_header[:4] == b'HTTP':  # pragma no cover
+            print >> sys.stderr, "WARNING: This looks like an HTTP/1 connection!"
+
         self._check_frame_size(length, state)
 
         payload = fp.safe_read(length)
-- 
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