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https://github.com/moparisthebest/curl
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3b80d3ca46
This change introduces new alternatives for the existing six curl_easy_getinfo() options that return sizes or speeds as doubles. The new versions are named like the old ones but with an appended '_T': CURLINFO_CONTENT_LENGTH_DOWNLOAD_T CURLINFO_CONTENT_LENGTH_UPLOAD_T CURLINFO_SIZE_DOWNLOAD_T CURLINFO_SIZE_UPLOAD_T CURLINFO_SPEED_DOWNLOAD_T CURLINFO_SPEED_UPLOAD_T Closes #1511
249 lines
9.0 KiB
Groff
249 lines
9.0 KiB
Groff
.\" **************************************************************************
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.\" * _ _ ____ _
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.\" * Project ___| | | | _ \| |
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.\" * / __| | | | |_) | |
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.\" * | (__| |_| | _ <| |___
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.\" * \___|\___/|_| \_\_____|
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.\" *
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.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
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.\" *
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.\" * This software is licensed as described in the file COPYING, which
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.\" * you should have received as part of this distribution. The terms
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.\" * are also available at https://curl.haxx.se/docs/copyright.html.
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.\" *
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.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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.\" * copies of the Software, and permit persons to whom the Software is
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.\" * furnished to do so, under the terms of the COPYING file.
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.\" *
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.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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.\" * KIND, either express or implied.
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.\" *
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.\" **************************************************************************
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.\"
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.TH curl_easy_getinfo 3 "11 Feb 2009" "libcurl 7.19.4" "libcurl Manual"
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.SH NAME
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curl_easy_getinfo - extract information from a curl handle
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.SH SYNOPSIS
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.B #include <curl/curl.h>
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.B "CURLcode curl_easy_getinfo(CURL *curl, CURLINFO info, ... );"
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.SH DESCRIPTION
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Request internal information from the curl session with this function. The
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third argument \fBMUST\fP be a pointer to a long, a pointer to a char *, a
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pointer to a struct curl_slist * or a pointer to a double (as this
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documentation describes further down). The data pointed-to will be filled in
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accordingly and can be relied upon only if the function returns CURLE_OK. Use
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this function AFTER a performed transfer if you want to get transfer related
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data.
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You should not free the memory returned by this function unless it is
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explicitly mentioned below.
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.SH AVAILABLE INFORMATION
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The following information can be extracted:
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.IP CURLINFO_EFFECTIVE_URL
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Last used URL.
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See \fICURLINFO_EFFECTIVE_URL(3)\fP
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.IP CURLINFO_RESPONSE_CODE
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Last received response code.
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See \fICURLINFO_RESPONSE_CODE(3)\fP
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.IP CURLINFO_HTTP_CONNECTCODE
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Last proxy CONNECT response code.
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See \fICURLINFO_HTTP_CONNECTCODE(3)\fP
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.IP CURLINFO_HTTP_VERSION
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The http version used in the connection.
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See \fICURLINFO_HTTP_VERSION(3)\fP
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.IP CURLINFO_FILETIME
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Remote time of the retrieved document.
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See \fICURLINFO_FILETIME(3)\fP
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.IP CURLINFO_TOTAL_TIME
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Total time of previous transfer.
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See \fICURLINFO_TOTAL_TIME(3)\fP
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.IP CURLINFO_NAMELOOKUP_TIME
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Time from start until name resolving completed.
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See \fICURLINFO_NAMELOOKUP_TIME(3)\fP
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.IP CURLINFO_CONNECT_TIME
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Time from start until remote host or proxy completed.
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See \fICURLINFO_CONNECT_TIME(3)\fP
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.IP CURLINFO_APPCONNECT_TIME
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Time from start until SSL/SSH handshake completed.
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See \fICURLINFO_APPCONNECT_TIME(3)\fP
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.IP CURLINFO_PRETRANSFER_TIME
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Time from start until just before the transfer begins.
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See \fICURLINFO_PRETRANSFER_TIME(3)\fP
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.IP CURLINFO_STARTTRANSFER_TIME
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Time from start until just when the first byte is received.
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See \fICURLINFO_STARTTRANSFER_TIME(3)\fP
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.IP CURLINFO_REDIRECT_TIME
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Time taken for all redirect steps before the final transfer.
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See \fICURLINFO_REDIRECT_TIME(3)\fP
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.IP CURLINFO_REDIRECT_COUNT
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Total number of redirects that were followed.
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See \fICURLINFO_REDIRECT_COUNT(3)\fP
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.IP CURLINFO_REDIRECT_URL
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URL a redirect would take you to, had you enabled redirects.
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See \fICURLINFO_REDIRECT_URL(3)\fP
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.IP CURLINFO_SIZE_UPLOAD
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(Deprecated) Number of bytes uploaded.
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See \fICURLINFO_SIZE_UPLOAD(3)\fP
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.IP CURLINFO_SIZE_UPLOAD_T
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Number of bytes uploaded.
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See \fICURLINFO_SIZE_UPLOAD_T(3)\fP
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.IP CURLINFO_SIZE_DOWNLOAD
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(Deprecated) Number of bytes downloaded.
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See \fICURLINFO_SIZE_DOWNLOAD(3)\fP
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.IP CURLINFO_SIZE_DOWNLOAD_T
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Number of bytes downloaded.
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See \fICURLINFO_SIZE_DOWNLOAD_T(3)\fP
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.IP CURLINFO_SPEED_DOWNLOAD
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(Deprecated) Average download speed.
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See \fICURLINFO_SPEED_DOWNLOAD(3)\fP
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.IP CURLINFO_SPEED_DOWNLOAD_T
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Average download speed.
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See \fICURLINFO_SPEED_DOWNLOAD_T(3)\fP
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.IP CURLINFO_SPEED_UPLOAD
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(Deprecated) Average upload speed.
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See \fICURLINFO_SPEED_UPLOAD(3)\fP
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.IP CURLINFO_SPEED_UPLOAD_T
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Average upload speed.
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See \fICURLINFO_SPEED_UPLOAD_T(3)\fP
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.IP CURLINFO_HEADER_SIZE
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Number of bytes of all headers received.
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See \fICURLINFO_HEADER_SIZE(3)\fP
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.IP CURLINFO_REQUEST_SIZE
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Number of bytes sent in the issued HTTP requests.
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See \fICURLINFO_REQUEST_SIZE(3)\fP
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.IP CURLINFO_SSL_VERIFYRESULT
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Certificate verification result.
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See \fICURLINFO_SSL_VERIFYRESULT(3)\fP
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.IP CURLINFO_PROXY_SSL_VERIFYRESULT
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Proxy certificate verification result.
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See \fICURLINFO_PROXY_SSL_VERIFYRESULT(3)\fP
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.IP CURLINFO_SSL_ENGINES
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A list of OpenSSL crypto engines.
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See \fICURLINFO_SSL_ENGINES(3)\fP
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.IP CURLINFO_CONTENT_LENGTH_DOWNLOAD
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(Deprecated) Content length from the Content-Length header.
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See \fICURLINFO_CONTENT_LENGTH_DOWNLOAD(3)\fP
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.IP CURLINFO_CONTENT_LENGTH_DOWNLOAD_T
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Content length from the Content-Length header.
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See \fICURLINFO_CONTENT_LENGTH_DOWNLOAD_T(3)\fP
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.IP CURLINFO_CONTENT_LENGTH_UPLOAD
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(Deprecated) Upload size. See \fICURLINFO_CONTENT_LENGTH_UPLOAD(3)\fP
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.IP CURLINFO_CONTENT_LENGTH_UPLOAD_T
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Upload size. See \fICURLINFO_CONTENT_LENGTH_UPLOAD_T(3)\fP
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.IP CURLINFO_CONTENT_TYPE
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Content type from the Content-Type header.
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See \fICURLINFO_CONTENT_TYPE(3)\fP
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.IP CURLINFO_PRIVATE
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User's private data pointer.
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See \fICURLINFO_PRIVATE(3)\fP
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.IP CURLINFO_HTTPAUTH_AVAIL
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Available HTTP authentication methods.
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See \fICURLINFO_HTTPAUTH_AVAIL(3)\fP
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.IP CURLINFO_PROXYAUTH_AVAIL
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Available HTTP proxy authentication methods.
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See \fICURLINFO_PROXYAUTH_AVAIL(3)\fP
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.IP CURLINFO_OS_ERRNO
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The errno from the last failure to connect.
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See \fICURLINFO_OS_ERRNO(3)\fP
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.IP CURLINFO_NUM_CONNECTS
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Number of new successful connections used for previous transfer.
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See \fICURLINFO_NUM_CONNECTS(3)\fP
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.IP CURLINFO_PRIMARY_IP
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IP address of the last connection.
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See \fICURLINFO_PRIMARY_IP(3)\fP
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.IP CURLINFO_PRIMARY_PORT
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Port of the last connection.
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See \fICURLINFO_PRIMARY_PORT(3)\fP
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.IP CURLINFO_LOCAL_IP
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Local-end IP address of last connection.
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See \fICURLINFO_LOCAL_IP(3)\fP
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.IP CURLINFO_LOCAL_PORT
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Local-end port of last connection.
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See \fICURLINFO_LOCAL_PORT(3)\fP
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.IP CURLINFO_COOKIELIST
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List of all known cookies.
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See \fICURLINFO_COOKIELIST(3)\fP
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.IP CURLINFO_LASTSOCKET
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Last socket used.
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See \fICURLINFO_LASTSOCKET(3)\fP
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.IP CURLINFO_ACTIVESOCKET
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The session's active socket.
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See \fICURLINFO_ACTIVESOCKET(3)\fP
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.IP CURLINFO_FTP_ENTRY_PATH
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The entry path after logging in to an FTP server.
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See \fICURLINFO_FTP_ENTRY_PATH(3)\fP
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.IP CURLINFO_CERTINFO
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Certificate chain.
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See \fICURLINFO_CERTINFO(3)\fP
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.IP CURLINFO_TLS_SSL_PTR
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TLS session info that can be used for further processing.
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See \fICURLINFO_TLS_SSL_PTR(3)\fP
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.IP CURLINFO_TLS_SESSION
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TLS session info that can be used for further processing. See
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\fICURLINFO_TLS_SESSION(3)\fP. Deprecated option, use
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\fICURLINFO_TLS_SSL_PTR(3)\fP instead!
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.IP CURLINFO_CONDITION_UNMET
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Whether or not a time conditional was met.
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See \fICURLINFO_CONDITION_UNMET(3)\fP
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.IP CURLINFO_RTSP_SESSION_ID
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RTSP session ID.
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See \fICURLINFO_RTSP_SESSION_ID(3)\fP
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.IP CURLINFO_RTSP_CLIENT_CSEQ
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RTSP CSeq that will next be used.
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See \fICURLINFO_RTSP_CLIENT_CSEQ(3)\fP
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.IP CURLINFO_RTSP_SERVER_CSEQ
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RTSP CSeq that will next be expected.
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See \fICURLINFO_RTSP_SERVER_CSEQ(3)\fP
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.IP CURLINFO_RTSP_CSEQ_RECV
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RTSP CSeq last received.
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See \fICURLINFO_RTSP_CSEQ_RECV(3)\fP
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.IP CURLINFO_PROTOCOL
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The protocol used for the connection. (Added in 7.52.0)
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See \fICURLINFO_PROTOCOL(3)\fP
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.IP CURLINFO_SCHEME
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The scheme used for the connection. (Added in 7.52.0)
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See \fICURLINFO_SCHEME(3)\fP
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.SH TIMES
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.nf
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An overview of the six time values available from curl_easy_getinfo()
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curl_easy_perform()
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|--NAMELOOKUP
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|--|--CONNECT
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|--|--|--APPCONNECT
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|--|--|--|--PRETRANSFER
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|--|--|--|--|--STARTTRANSFER
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|--|--|--|--|--|--TOTAL
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|--|--|--|--|--|--REDIRECT
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.fi
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.IP NAMELOOKUP
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\fICURLINFO_NAMELOOKUP_TIME\fP. The time it took from the start until the name
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resolving was completed.
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.IP CONNECT
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\fICURLINFO_CONNECT_TIME\fP. The time it took from the start until the connect
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to the remote host (or proxy) was completed.
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.IP APPCONNECT
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\fICURLINFO_APPCONNECT_TIME\fP. The time it took from the start until the SSL
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connect/handshake with the remote host was completed. (Added in in 7.19.0)
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.IP PRETRANSFER
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\fICURLINFO_PRETRANSFER_TIME\fP. The time it took from the start until the
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file transfer is just about to begin. This includes all pre-transfer commands
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and negotiations that are specific to the particular protocol(s) involved.
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.IP STARTTRANSFER
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\fICURLINFO_STARTTRANSFER_TIME\fP. The time it took from the start until the
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first byte is received by libcurl.
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.IP TOTAL
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\fICURLINFO_TOTAL_TIME\fP. Total time of the previous request.
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.IP REDIRECT
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\fICURLINFO_REDIRECT_TIME\fP. The time it took for all redirection steps
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include name lookup, connect, pretransfer and transfer before final
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transaction was started. So, this is zero if no redirection took place.
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.SH RETURN VALUE
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If the operation was successful, CURLE_OK is returned. Otherwise an
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appropriate error code will be returned.
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.SH "SEE ALSO"
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.BR curl_easy_setopt "(3)"
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