From 69b3ff5118be4eb6fdd9ef645b955cac7d2fe0ba Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Wed, 7 Aug 2019 20:10:27 +0200
Subject: alt-svc: add protocol version selection masking

So that users can mask in/out specific HTTP versions when Alt-Svc is
used.

 - Removed "h2c" and updated test case accordingly
 - Changed how the altsvc struct is laid out
 - Added ifdefs to make the unittest run even in a quiche-tree

Closes #4201
---
 lib/altsvc.h | 27 ++++++++++++++-------------
 1 file changed, 14 insertions(+), 13 deletions(-)

(limited to 'lib/altsvc.h')

diff --git a/lib/altsvc.h b/lib/altsvc.h
index eefb45bf6..99d0499af 100644
--- a/lib/altsvc.h
+++ b/lib/altsvc.h
@@ -28,20 +28,21 @@
 #include "llist.h"
 
 enum alpnid {
-  ALPN_none,
-  ALPN_h1,
-  ALPN_h2,
-  ALPN_h2c,
-  ALPN_h3
+  ALPN_none = 0,
+  ALPN_h1 = CURLALTSVC_H1,
+  ALPN_h2 = CURLALTSVC_H2,
+  ALPN_h3 = CURLALTSVC_H3
+};
+
+struct althost {
+  char *host;
+  unsigned short port;
+  enum alpnid alpnid;
 };
 
 struct altsvc {
-  char *srchost;
-  char *dsthost;
-  unsigned short srcport;
-  unsigned short dstport;
-  enum alpnid srcalpnid;
-  enum alpnid dstalpnid;
+  struct althost src;
+  struct althost dst;
   time_t expires;
   bool persist;
   int prio;
@@ -68,8 +69,8 @@ CURLcode Curl_altsvc_parse(struct Curl_easy *data,
 bool Curl_altsvc_lookup(struct altsvcinfo *asi,
                         enum alpnid srcalpnid, const char *srchost,
                         int srcport,
-                        enum alpnid *dstalpnid, const char **dsthost,
-                        int *dstport);
+                        struct altsvc **dstentry,
+                        int versions); /* one or more CURLALTSVC_H* bits */
 #else
 /* disabled */
 #define Curl_altsvc_save(a,b)
-- 
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