lib/http2.c

   1 /***************************************************************************
   2  *                                  _   _ ____  _
   3  *  Project                     ___| | | |  _ \| |
   4  *                             / __| | | | |_) | |
   5  *                            | (__| |_| |  _ <| |___
   6  *                             \___|\___/|_| \_\_____|
   7  *
   8  * Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
   9  *
  10  * This software is licensed as described in the file COPYING, which
  11  * you should have received as part of this distribution. The terms
  12  * are also available at http://curl.haxx.se/docs/copyright.html.
  13  *
  14  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
  15  * copies of the Software, and permit persons to whom the Software is
  16  * furnished to do so, under the terms of the COPYING file.
  17  *
  18  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  19  * KIND, either express or implied.
  20  *
  21  ***************************************************************************/
  22
  23 #include "curl_setup.h"
  24
  25 #ifdef USE_NGHTTP2
  26 #define _MPRINTF_REPLACE
  27 #include <curl/mprintf.h>
  28
  29 #include <nghttp2/nghttp2.h>
  30 #include "urldata.h"
  31 #include "http2.h"
  32 #include "http.h"
  33
  34 /*
  35  * Store nghttp2 version info in this buffer, Prefix with a space.  Return
  36  * total length written.
  37  */
  38 int Curl_http2_ver(char *p, size_t len)
  39 {
  40   nghttp2_info *h2 = nghttp2_version(0);
  41   return snprintf(p, len, " nghttp2/%s", h2->version_str);
  42 }
  43
  44 /*
  45  * Append headers to ask for a HTTP1.1 to HTTP2 upgrade.
  46  */
  47 CURLcode Curl_http2_request(Curl_send_buffer *req,
  48                             struct connectdata *conn)
  49 {
  50   const char *base64="AABBCC"; /* a fake string to start with */
  51   CURLcode result =
  52     Curl_add_bufferf(req,
  53                      "Connection: Upgrade, HTTP2-Settings\r\n"
  54                      "Upgrade: HTTP/2.0\r\n"
  55                      "HTTP2-Settings: %s\r\n",
  56                      base64);
  57   (void)conn;
  58   return result;
  59 }
  60
  61 #endif