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70 lines
2.6 KiB
Groff
70 lines
2.6 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 CURLINFO_ACTIVESOCKET 3 "12 Sep 2015" "libcurl 7.44.0" "curl_easy_getinfo options"
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.SH NAME
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CURLINFO_ACTIVESOCKET \- get the active socket
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.SH SYNOPSIS
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#include <curl/curl.h>
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CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_ACTIVESOCKET,
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curl_socket_t *socket);
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.SH DESCRIPTION
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Pass a pointer to a curl_socket_t to receive the active socket used by this
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curl session. If the socket is no longer valid, \fICURL_SOCKET_BAD\fP is
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returned. When you finish working with the socket, you must call
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\fIcurl_easy_cleanup(3)\fP as usual on the easy handle and let libcurl close
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the socket and cleanup other resources associated with the handle. This is
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typically used in combination with \fICURLOPT_CONNECT_ONLY(3)\fP.
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This option was added as a replacement for \fICURLINFO_LASTSOCKET(3)\fP since
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that one isn't working on all platforms.
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.SH PROTOCOLS
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All
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.SH EXAMPLE
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.nf
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CURL *curl = curl_easy_init();
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if(curl) {
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curl_socket_t sockfd;
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curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
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/* Do not do the transfer - only connect to host */
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curl_easy_setopt(curl, CURLOPT_CONNECT_ONLY, 1L);
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res = curl_easy_perform(curl);
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/* Extract the socket from the curl handle */
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res = curl_easy_getinfo(curl, CURLINFO_ACTIVESOCKET, &sockfd);
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if(res != CURLE_OK) {
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printf("Error: %s\\n", curl_easy_strerror(res));
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return 1;
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}
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}
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.fi
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.SH AVAILABILITY
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Added in 7.45.0
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.SH RETURN VALUE
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Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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.SH "SEE ALSO"
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.BR curl_easy_getinfo "(3), " curl_easy_setopt "(3), "
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.BR CURLINFO_LASTSOCKET "(3), "
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