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-.\" **************************************************************************
-.\" * _ _ ____ _
-.\" * 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
- curl = curl_easy_init();
- if(curl) {
- 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)