From: Daniel Stenberg <daniel@haxx.se>
Date: Fri, 5 Sep 2014 22:05:03 +0000 (+0200)
Subject: http.c: log if it notices HTTP 1.1 after a upgrade to http2
X-Git-Tag: curl-7_40_0~321
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=d62706ec6d904d9857904705eeefd8965ee55aee;p=curl

http.c: log if it notices HTTP 1.1 after a upgrade to http2
---

diff --git a/lib/http.c b/lib/http.c
index 2e9fd7d71..b50d00f15 100644
--- a/lib/http.c
+++ b/lib/http.c
@@ -3216,6 +3216,12 @@ CURLcode Curl_http_readwrite_headers(struct SessionHandle *data,
                     &k->httpcode);
         if(nc==3) {
           conn->httpversion += 10 * httpversion_major;
+
+          if(k->upgr101 == UPGR101_RECEIVED) {
+            /* supposedly upgraded to http2 now */
+            if(conn->httpversion != 20)
+              infof(data, "Lying server, not serving HTTP/2\n");
+          }
         }
         else {
           /* this is the real world, not a Nirvana