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curl.h: added CURL_HTTP_VERSION_2_0

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Initial library considerations documented in lib/README.http2
This commit is contained in:
Daniel Stenberg 2013-09-02 23:30:38 +02:00
parent 9011fb3f0c
commit 698e3bdf82
2 changed files with 20 additions and 0 deletions
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1
include/curl/curl.h
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@ -1608,6 +1608,7 @@ enum {
for us! */
CURL_HTTP_VERSION_1_0, /* please use HTTP 1.0 in the request */
CURL_HTTP_VERSION_1_1, /* please use HTTP 1.1 in the request */
CURL_HTTP_VERSION_2_0, /* please use HTTP 2.0 in the request */
CURL_HTTP_VERSION_LAST /* *ILLEGAL* http version */
};

19
lib/README.http2 Normal file
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@ -0,0 +1,19 @@
HTTP2 with libcurl
Spec: http://tools.ietf.org/html/draft-ietf-httpbis-http2-06
Over an http:// URL
If CURLOPT_HTTP_VERSION is set to CURL_HTTP_VERSION_2, libcurl will include
an upgrade header in the initial request to the host to allow upgrading to
http2. Possibly introduce an option that will cause libcurl to fail if not
possible to upgrade. Possibly introduce an option that makes libcurl use
http2 at once over http://
Over an https:// URL
If CURLOPT_HTTP_VERSION is set to CURL_HTTP_VERSION_2, libcurl will use ALPN
(or NPN) to negotiate which protocol to continue with. Possibly introduce an
option that will cause libcurl to fail if not possible to use http2.