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http: add CURLINFO_HTTP_VERSION and %{http_version}

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Adds access to the effectively used http version to both libcurl and
curl.

Closes #799
This commit is contained in:
Frank Gevaerts 2016-05-11 14:23:37 +02:00 • committed by Daniel Stenberg
parent 4bffaad85f
commit 071c561394
7 changed files with 104 additions and 2 deletions
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3
docs/curl.1
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@ -1944,6 +1944,9 @@ same info.
The numerical code that was found in the last response (from a proxy) to a
curl CONNECT request. (Added in 7.12.4)
.TP
.B http_version
The http version that was effectively used. (Added in 7.50.0)
.TP
.B local_ip
The IP address of the local end of the most recently done connection - can be
either IPv4 or IPv6 (Added in 7.29.0)

3
docs/libcurl/curl_easy_getinfo.3
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@ -50,6 +50,9 @@ See \fICURLINFO_RESPONSE_CODE(3)\fP
.IP CURLINFO_HTTP_CONNECTCODE
Last proxy CONNECT response code.
See \fICURLINFO_HTTP_CONNECTCODE(3)\fP
.IP CURLINFO_HTTP_VERSION
The http version used in the connection.
See \fICURLINFO_HTTP_VERSION(3)\fP
.IP CURLINFO_FILETIME
Remote time of the retrieved document.
See \fICURLINFO_FILETIME(3)\fP

56
docs/libcurl/opts/CURLINFO_HTTP_VERSION.3 Normal file
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@ -0,0 +1,56 @@
.\" **************************************************************************
.\" * _ _ ____ _
.\" * Project ___| | | | _ \| |
.\" * / __| | | | |_) | |
.\" * | (__| |_| | _ <| |___
.\" * \___|\___/|_| \_\_____|
.\" *
.\" * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
.\" *
.\" * This software is licensed as described in the file COPYING, which
.\" * you should have received as part of this distribution. The terms
.\" * are also available at https://curl.haxx.se/docs/copyright.html.
.\" *
.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
.\" * copies of the Software, and permit persons to whom the Software is
.\" * furnished to do so, under the terms of the COPYING file.
.\" *
.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
.\" * KIND, either express or implied.
.\" *
.\" **************************************************************************
.\"
.TH CURLINFO_HTTP_VERSION 3 "11 May 2016" "libcurl 7.50.0" "curl_easy_getinfo options"
.SH NAME
CURLINFO_HTTP_VERSION \- get the http version used in the connection
.SH SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_HTTP_VERSION, long *p);
.SH DESCRIPTION
Pass a pointer to a long to receive the version used in the last http connection.
The returned value will be CURL_HTTP_VERSION_1_0, CURL_HTTP_VERSION_1_1, or
CURL_HTTP_VERSION_2_0, or 0 if the version can't be determined.
.SH PROTOCOLS
HTTP
.SH EXAMPLE
.nf
CURL *curl = curl_easy_init();
if(curl) {
CURLcode res;
curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
res = curl_easy_perform(curl);
if(res == CURLE_OK) {
long http_version;
curl_easy_getinfo(curl, CURLINFO_HTTP_VERSION, &http_version);
}
curl_easy_cleanup(curl);
}
.fi
.SH AVAILABILITY
Added in 7.50.0
.SH RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
.SH "SEE ALSO"
.BR CURLINFO_RESPONSE_CODE "(3), "
.BR curl_easy_getinfo "(3), " curl_easy_setopt "(3), "

1
docs/libcurl/symbols-in-versions
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@ -223,6 +223,7 @@ CURLINFO_HEADER_SIZE 7.4.1
CURLINFO_HTTPAUTH_AVAIL 7.10.8
CURLINFO_HTTP_CODE 7.4.1 7.10.8
CURLINFO_HTTP_CONNECTCODE 7.10.7
CURLINFO_HTTP_VERSION 7.50.0
CURLINFO_LASTONE 7.4.1
CURLINFO_LASTSOCKET 7.15.2
CURLINFO_LOCAL_IP 7.21.0