330 lines
12 KiB
Groff
330 lines
12 KiB
Groff
|
.\" **************************************************************************
|
||
|
|
.\" * _ _ ____ _
|
||
|
|
.\" * Project ___| | | | _ \| |
|
||
|
|
.\" * / __| | | | |_) | |
|
||
|
|
.\" * | (__| |_| | _ <| |___
|
||
|
|
.\" * \___|\___/|_| \_\_____|
|
||
|
|
.\" *
|
||
|
|
.\" * Copyright (C) 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.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.
|
||
|
|
.\" *
|
||
|
|
.\" * SPDX-License-Identifier: curl
|
||
|
|
.\" *
|
||
|
|
.\" **************************************************************************
|
||
|
|
.\"
|
||
|
|
.TH curl_easy_getinfo 3 "11 Feb 2009" "libcurl" "libcurl"
|
||
|
|
.SH NAME
|
||
|
|
curl_easy_getinfo - extract information from a curl handle
|
||
|
|
.SH SYNOPSIS
|
||
|
|
.nf
|
||
|
|
#include <curl/curl.h>
|
||
|
|
|
||
|
|
CURLcode curl_easy_getinfo(CURL *curl, CURLINFO info, ... );
|
||
|
|
.fi
|
||
|
|
.SH DESCRIPTION
|
||
|
|
Get the \fIinfo\fP kept in the \fIcurl\fP handle. The third argument
|
||
|
|
\fBMUST\fP be pointing to the specific type of the used option which is
|
||
|
|
documented in each man page of the \fIinfo\fP option. The data is stored
|
||
|
|
accordingly and can be relied upon only if this function returns CURLE_OK. Use
|
||
|
|
this function after a performed transfer if you want to get transfer related
|
||
|
|
data.
|
||
|
|
|
||
|
|
You should not free the memory returned by this function unless it is
|
||
|
|
explicitly mentioned below.
|
||
|
|
.SH AVAILABLE INFORMATION
|
||
|
|
The following information can be extracted:
|
||
|
|
.IP CURLINFO_EFFECTIVE_METHOD
|
||
|
|
Last used HTTP method.
|
||
|
|
See \fICURLINFO_EFFECTIVE_METHOD(3)\fP
|
||
|
|
.IP CURLINFO_EFFECTIVE_URL
|
||
|
|
Last used URL.
|
||
|
|
See \fICURLINFO_EFFECTIVE_URL(3)\fP
|
||
|
|
.IP CURLINFO_RESPONSE_CODE
|
||
|
|
Last received response code.
|
||
|
|
See \fICURLINFO_RESPONSE_CODE(3)\fP
|
||
|
|
.IP CURLINFO_REFERER
|
||
|
|
Referrer header.
|
||
|
|
See \fICURLINFO_REFERER(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
|
||
|
|
.IP CURLINFO_FILETIME_T
|
||
|
|
Remote time of the retrieved document. See \fICURLINFO_FILETIME_T(3)\fP
|
||
|
|
.IP CURLINFO_TOTAL_TIME
|
||
|
|
Total time of previous transfer.
|
||
|
|
See \fICURLINFO_TOTAL_TIME(3)\fP
|
||
|
|
.IP CURLINFO_TOTAL_TIME_T
|
||
|
|
Total time of previous transfer.
|
||
|
|
See \fICURLINFO_TOTAL_TIME_T(3)\fP
|
||
|
|
.IP CURLINFO_NAMELOOKUP_TIME
|
||
|
|
Time from start until name resolving completed.
|
||
|
|
See \fICURLINFO_NAMELOOKUP_TIME(3)\fP
|
||
|
|
.IP CURLINFO_NAMELOOKUP_TIME_T
|
||
|
|
Time from start until name resolving completed.
|
||
|
|
See \fICURLINFO_NAMELOOKUP_TIME_T(3)\fP
|
||
|
|
.IP CURLINFO_CONNECT_TIME
|
||
|
|
Time from start until remote host or proxy completed.
|
||
|
|
See \fICURLINFO_CONNECT_TIME(3)\fP
|
||
|
|
.IP CURLINFO_CONNECT_TIME_T
|
||
|
|
Time from start until remote host or proxy completed.
|
||
|
|
See \fICURLINFO_CONNECT_TIME_T(3)\fP
|
||
|
|
.IP CURLINFO_APPCONNECT_TIME
|
||
|
|
Time from start until SSL/SSH handshake completed.
|
||
|
|
See \fICURLINFO_APPCONNECT_TIME(3)\fP
|
||
|
|
.IP CURLINFO_APPCONNECT_TIME_T
|
||
|
|
Time from start until SSL/SSH handshake completed.
|
||
|
|
See \fICURLINFO_APPCONNECT_TIME_T(3)\fP
|
||
|
|
.IP CURLINFO_PRETRANSFER_TIME
|
||
|
|
Time from start until just before the transfer begins.
|
||
|
|
See \fICURLINFO_PRETRANSFER_TIME(3)\fP
|
||
|
|
.IP CURLINFO_PRETRANSFER_TIME_T
|
||
|
|
Time from start until just before the transfer begins.
|
||
|
|
See \fICURLINFO_PRETRANSFER_TIME_T(3)\fP
|
||
|
|
.IP CURLINFO_STARTTRANSFER_TIME
|
||
|
|
Time from start until just when the first byte is received.
|
||
|
|
See \fICURLINFO_STARTTRANSFER_TIME(3)\fP
|
||
|
|
.IP CURLINFO_STARTTRANSFER_TIME_T
|
||
|
|
Time from start until just when the first byte is received.
|
||
|
|
See \fICURLINFO_STARTTRANSFER_TIME_T(3)\fP
|
||
|
|
.IP CURLINFO_REDIRECT_TIME
|
||
|
|
Time taken for all redirect steps before the final transfer.
|
||
|
|
See \fICURLINFO_REDIRECT_TIME(3)\fP
|
||
|
|
.IP CURLINFO_REDIRECT_TIME_T
|
||
|
|
Time taken for all redirect steps before the final transfer.
|
||
|
|
See \fICURLINFO_REDIRECT_TIME_T(3)\fP
|
||
|
|
.IP CURLINFO_REDIRECT_COUNT
|
||
|
|
Total number of redirects that were followed.
|
||
|
|
See \fICURLINFO_REDIRECT_COUNT(3)\fP
|
||
|
|
.IP CURLINFO_REDIRECT_URL
|
||
|
|
URL a redirect would take you to, had you enabled redirects.
|
||
|
|
See \fICURLINFO_REDIRECT_URL(3)\fP
|
||
|
|
.IP CURLINFO_SIZE_UPLOAD
|
||
|
|
(Deprecated) Number of bytes uploaded.
|
||
|
|
See \fICURLINFO_SIZE_UPLOAD(3)\fP
|
||
|
|
.IP CURLINFO_SIZE_UPLOAD_T
|
||
|
|
Number of bytes uploaded.
|
||
|
|
See \fICURLINFO_SIZE_UPLOAD_T(3)\fP
|
||
|
|
.IP CURLINFO_SIZE_DOWNLOAD
|
||
|
|
(Deprecated) Number of bytes downloaded.
|
||
|
|
See \fICURLINFO_SIZE_DOWNLOAD(3)\fP
|
||
|
|
.IP CURLINFO_SIZE_DOWNLOAD_T
|
||
|
|
Number of bytes downloaded.
|
||
|
|
See \fICURLINFO_SIZE_DOWNLOAD_T(3)\fP
|
||
|
|
.IP CURLINFO_SPEED_DOWNLOAD
|
||
|
|
(Deprecated) Average download speed.
|
||
|
|
See \fICURLINFO_SPEED_DOWNLOAD(3)\fP
|
||
|
|
.IP CURLINFO_SPEED_DOWNLOAD_T
|
||
|
|
Average download speed.
|
||
|
|
See \fICURLINFO_SPEED_DOWNLOAD_T(3)\fP
|
||
|
|
.IP CURLINFO_SPEED_UPLOAD
|
||
|
|
(Deprecated) Average upload speed.
|
||
|
|
See \fICURLINFO_SPEED_UPLOAD(3)\fP
|
||
|
|
.IP CURLINFO_SPEED_UPLOAD_T
|
||
|
|
Average upload speed.
|
||
|
|
See \fICURLINFO_SPEED_UPLOAD_T(3)\fP
|
||
|
|
.IP CURLINFO_HEADER_SIZE
|
||
|
|
Number of bytes of all headers received.
|
||
|
|
See \fICURLINFO_HEADER_SIZE(3)\fP
|
||
|
|
.IP CURLINFO_REQUEST_SIZE
|
||
|
|
Number of bytes sent in the issued HTTP requests.
|
||
|
|
See \fICURLINFO_REQUEST_SIZE(3)\fP
|
||
|
|
.IP CURLINFO_SSL_VERIFYRESULT
|
||
|
|
Certificate verification result.
|
||
|
|
See \fICURLINFO_SSL_VERIFYRESULT(3)\fP
|
||
|
|
.IP CURLINFO_PROXY_ERROR
|
||
|
|
Detailed proxy error.
|
||
|
|
See \fICURLINFO_PROXY_ERROR(3)\fP
|
||
|
|
.IP CURLINFO_PROXY_SSL_VERIFYRESULT
|
||
|
|
Proxy certificate verification result.
|
||
|
|
See \fICURLINFO_PROXY_SSL_VERIFYRESULT(3)\fP
|
||
|
|
.IP CURLINFO_SSL_ENGINES
|
||
|
|
A list of OpenSSL crypto engines.
|
||
|
|
See \fICURLINFO_SSL_ENGINES(3)\fP
|
||
|
|
.IP CURLINFO_CONTENT_LENGTH_DOWNLOAD
|
||
|
|
(Deprecated) Content length from the Content-Length header.
|
||
|
|
See \fICURLINFO_CONTENT_LENGTH_DOWNLOAD(3)\fP
|
||
|
|
.IP CURLINFO_CONTENT_LENGTH_DOWNLOAD_T
|
||
|
|
Content length from the Content-Length header.
|
||
|
|
See \fICURLINFO_CONTENT_LENGTH_DOWNLOAD_T(3)\fP
|
||
|
|
.IP CURLINFO_CONTENT_LENGTH_UPLOAD
|
||
|
|
(Deprecated) Upload size. See \fICURLINFO_CONTENT_LENGTH_UPLOAD(3)\fP
|
||
|
|
.IP CURLINFO_CONTENT_LENGTH_UPLOAD_T
|
||
|
|
Upload size. See \fICURLINFO_CONTENT_LENGTH_UPLOAD_T(3)\fP
|
||
|
|
.IP CURLINFO_CONTENT_TYPE
|
||
|
|
Content type from the Content-Type header.
|
||
|
|
See \fICURLINFO_CONTENT_TYPE(3)\fP
|
||
|
|
.IP CURLINFO_RETRY_AFTER
|
||
|
|
The value from the Retry-After header.
|
||
|
|
See \fICURLINFO_RETRY_AFTER(3)\fP
|
||
|
|
.IP CURLINFO_PRIVATE
|
||
|
|
User's private data pointer.
|
||
|
|
See \fICURLINFO_PRIVATE(3)\fP
|
||
|
|
.IP CURLINFO_HTTPAUTH_AVAIL
|
||
|
|
Available HTTP authentication methods.
|
||
|
|
See \fICURLINFO_HTTPAUTH_AVAIL(3)\fP
|
||
|
|
.IP CURLINFO_PROXYAUTH_AVAIL
|
||
|
|
Available HTTP proxy authentication methods.
|
||
|
|
See \fICURLINFO_PROXYAUTH_AVAIL(3)\fP
|
||
|
|
.IP CURLINFO_OS_ERRNO
|
||
|
|
The errno from the last failure to connect.
|
||
|
|
See \fICURLINFO_OS_ERRNO(3)\fP
|
||
|
|
.IP CURLINFO_NUM_CONNECTS
|
||
|
|
Number of new successful connections used for previous transfer.
|
||
|
|
See \fICURLINFO_NUM_CONNECTS(3)\fP
|
||
|
|
.IP CURLINFO_PRIMARY_IP
|
||
|
|
IP address of the last connection.
|
||
|
|
See \fICURLINFO_PRIMARY_IP(3)\fP
|
||
|
|
.IP CURLINFO_PRIMARY_PORT
|
||
|
|
Port of the last connection.
|
||
|
|
See \fICURLINFO_PRIMARY_PORT(3)\fP
|
||
|
|
.IP CURLINFO_LOCAL_IP
|
||
|
|
Local-end IP address of last connection.
|
||
|
|
See \fICURLINFO_LOCAL_IP(3)\fP
|
||
|
|
.IP CURLINFO_LOCAL_PORT
|
||
|
|
Local-end port of last connection.
|
||
|
|
See \fICURLINFO_LOCAL_PORT(3)\fP
|
||
|
|
.IP CURLINFO_COOKIELIST
|
||
|
|
List of all known cookies.
|
||
|
|
See \fICURLINFO_COOKIELIST(3)\fP
|
||
|
|
.IP CURLINFO_LASTSOCKET
|
||
|
|
(Deprecated) Last socket used.
|
||
|
|
See \fICURLINFO_LASTSOCKET(3)\fP
|
||
|
|
.IP CURLINFO_ACTIVESOCKET
|
||
|
|
The session's active socket.
|
||
|
|
See \fICURLINFO_ACTIVESOCKET(3)\fP
|
||
|
|
.IP CURLINFO_FTP_ENTRY_PATH
|
||
|
|
The entry path after logging in to an FTP server.
|
||
|
|
See \fICURLINFO_FTP_ENTRY_PATH(3)\fP
|
||
|
|
.IP CURLINFO_CAPATH
|
||
|
|
Get the default value for \fICURLOPT_CAPATH(3)\fP.
|
||
|
|
See \fICURLINFO_CAPATH(3)\fP
|
||
|
|
.IP CURLINFO_CAINFO
|
||
|
|
Get the default value for \fICURLOPT_CAINFO(3)\fP.
|
||
|
|
See \fICURLINFO_CAINFO(3)\fP
|
||
|
|
.IP CURLINFO_CERTINFO
|
||
|
|
Certificate chain.
|
||
|
|
See \fICURLINFO_CERTINFO(3)\fP
|
||
|
|
.IP CURLINFO_TLS_SSL_PTR
|
||
|
|
TLS session info that can be used for further processing.
|
||
|
|
See \fICURLINFO_TLS_SSL_PTR(3)\fP
|
||
|
|
.IP CURLINFO_TLS_SESSION
|
||
|
|
TLS session info that can be used for further processing. See
|
||
|
|
\fICURLINFO_TLS_SESSION(3)\fP. Deprecated option, use
|
||
|
|
\fICURLINFO_TLS_SSL_PTR(3)\fP instead!
|
||
|
|
.IP CURLINFO_CONDITION_UNMET
|
||
|
|
Whether or not a time conditional was met or 304 HTTP response.
|
||
|
|
See \fICURLINFO_CONDITION_UNMET(3)\fP
|
||
|
|
.IP CURLINFO_RTSP_SESSION_ID
|
||
|
|
RTSP session ID.
|
||
|
|
See \fICURLINFO_RTSP_SESSION_ID(3)\fP
|
||
|
|
.IP CURLINFO_RTSP_CLIENT_CSEQ
|
||
|
|
The RTSP client CSeq that is expected next.
|
||
|
|
See \fICURLINFO_RTSP_CLIENT_CSEQ(3)\fP
|
||
|
|
.IP CURLINFO_RTSP_SERVER_CSEQ
|
||
|
|
The RTSP server CSeq that is expected next.
|
||
|
|
See \fICURLINFO_RTSP_SERVER_CSEQ(3)\fP
|
||
|
|
.IP CURLINFO_RTSP_CSEQ_RECV
|
||
|
|
RTSP CSeq last received.
|
||
|
|
See \fICURLINFO_RTSP_CSEQ_RECV(3)\fP
|
||
|
|
.IP CURLINFO_PROTOCOL
|
||
|
|
(Deprecated) The protocol used for the connection. (Added in 7.52.0)
|
||
|
|
See \fICURLINFO_PROTOCOL(3)\fP
|
||
|
|
.IP CURLINFO_SCHEME
|
||
|
|
The scheme used for the connection. (Added in 7.52.0)
|
||
|
|
See \fICURLINFO_SCHEME(3)\fP
|
||
|
|
.IP CURLINFO_CONN_ID
|
||
|
|
The ID of the last connection used by the transfer. (Added in 8.2.0)
|
||
|
|
See \fICURLINFO_CONN_ID(3)\fP
|
||
|
|
.IP CURLINFO_XFER_ID
|
||
|
|
The ID of the transfer. (Added in 8.2.0)
|
||
|
|
See \fICURLINFO_XFER_ID(3)\fP
|
||
|
|
.SH TIMES
|
||
|
|
An overview of the six time values available from \fIcurl_easy_getinfo(3)\fP
|
||
|
|
.nf
|
||
|
|
|
||
|
|
curl_easy_perform()
|
||
|
|
|
|
||
|
|
|--NAMELOOKUP
|
||
|
|
|--|--CONNECT
|
||
|
|
|--|--|--APPCONNECT
|
||
|
|
|--|--|--|--PRETRANSFER
|
||
|
|
|--|--|--|--|--STARTTRANSFER
|
||
|
|
|--|--|--|--|--|--TOTAL
|
||
|
|
|--|--|--|--|--|--REDIRECT
|
||
|
|
.fi
|
||
|
|
.IP NAMELOOKUP
|
||
|
|
\fICURLINFO_NAMELOOKUP_TIME(3)\fP and \fICURLINFO_NAMELOOKUP_TIME_T(3)\fP.
|
||
|
|
The time it took from the start until the name resolving was completed.
|
||
|
|
.IP CONNECT
|
||
|
|
\fICURLINFO_CONNECT_TIME(3)\fP and \fICURLINFO_CONNECT_TIME_T(3)\fP. The time
|
||
|
|
it took from the start until the connect to the remote host (or proxy) was
|
||
|
|
completed.
|
||
|
|
.IP APPCONNECT
|
||
|
|
\fICURLINFO_APPCONNECT_TIME(3)\fP and \fICURLINFO_APPCONNECT_TIME_T(3)\fP.
|
||
|
|
The time it took from the start until the SSL connect/handshake with the
|
||
|
|
remote host was completed. (Added in 7.19.0) The latter is the integer version
|
||
|
|
(measuring microseconds). (Added in 7.60.0)
|
||
|
|
.IP PRETRANSFER
|
||
|
|
\fICURLINFO_PRETRANSFER_TIME(3)\fP and \fICURLINFO_PRETRANSFER_TIME_T(3)\fP.
|
||
|
|
The time it took from the start until the file transfer is just about to
|
||
|
|
begin. This includes all pre-transfer commands and negotiations that are
|
||
|
|
specific to the particular protocol(s) involved.
|
||
|
|
.IP STARTTRANSFER
|
||
|
|
\fICURLINFO_STARTTRANSFER_TIME(3)\fP and
|
||
|
|
\fICURLINFO_STARTTRANSFER_TIME_T(3)\fP. The time it took from the start until
|
||
|
|
the first byte is received by libcurl.
|
||
|
|
.IP TOTAL
|
||
|
|
\fICURLINFO_TOTAL_TIME(3)\fP and \fICURLINFO_TOTAL_TIME_T(3)\fP. Total time
|
||
|
|
of the previous request.
|
||
|
|
.IP REDIRECT
|
||
|
|
\fICURLINFO_REDIRECT_TIME(3)\fP and \fICURLINFO_REDIRECT_TIME_T(3)\fP. The
|
||
|
|
time it took for all redirection steps include name lookup, connect,
|
||
|
|
pretransfer and transfer before final transaction was started. So, this is
|
||
|
|
zero if no redirection took place.
|
||
|
|
.SH EXAMPLE
|
||
|
|
.nf
|
||
|
|
int main(void)
|
||
|
|
{
|
||
|
|
CURL *curl = curl_easy_init();
|
||
|
|
if(curl) {
|
||
|
|
CURLcode res;
|
||
|
|
curl_easy_setopt(curl, CURLOPT_URL, "https://www.example.com/");
|
||
|
|
res = curl_easy_perform(curl);
|
||
|
|
|
||
|
|
if(CURLE_OK == res) {
|
||
|
|
char *ct;
|
||
|
|
/* ask for the content-type */
|
||
|
|
res = curl_easy_getinfo(curl, CURLINFO_CONTENT_TYPE, &ct);
|
||
|
|
|
||
|
|
if((CURLE_OK == res) && ct)
|
||
|
|
printf("We received Content-Type: %s\\n", ct);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* always cleanup */
|
||
|
|
curl_easy_cleanup(curl);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
.fi
|
||
|
|
.SH AVAILABILITY
|
||
|
|
Added in 7.4.1
|
||
|
|
.SH RETURN VALUE
|
||
|
|
If the operation was successful, CURLE_OK is returned. Otherwise an
|
||
|
|
appropriate error code is returned.
|
||
|
|
.SH "SEE ALSO"
|
||
|
|
.BR curl_easy_setopt (3)
|