From: Martin Mares <mj@ucw.cz>
Date: Mon, 17 Jun 2013 19:52:15 +0000 (+0200)
Subject: Let the caching flags mention conditional requests
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=b85f61a8a66f08b10dd1dcb77366cff974957d4d;p=netgrind.git

Let the caching flags mention conditional requests
---

diff --git a/README b/README
index 71a02dd..5de2683 100644
--- a/README
+++ b/README
@@ -69,8 +69,9 @@ transaction ID
 Cache status codes:
 
 	1st char: request cacheing control	. = none
-						N = don't cache
+	(first matching letter used)		N = don't cache
 						R = revalidate
+						c = conditional request (If-Modified-Since, If-Match)
 
 	2nd char: response cacheability		. = not restricted
 	(first matching letter used)		N = don't cache
diff --git a/netgrind/http.c b/netgrind/http.c
index e9ca9c9..0a221c6 100644
--- a/netgrind/http.c
+++ b/netgrind/http.c
@@ -368,6 +368,8 @@ static void http_cache_report(struct http_state *s, char *buf)
     buf[0] = 'N';
   else if (find_token(rq_cc, "max-age=0") || find_token(rq_cc, "must-revalidate"))
     buf[0] = 'R';
+  else if (http_lookup_hdr(&s->req_headers, "If-Match:") || http_lookup_hdr(&s->req_headers, "If-Modified-Since:"))
+    buf[0] = 'c';
   else
     buf[0] = '.';