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.TH CURLINFO_ACTIVESOCKET 3 "May 06, 2017" "libcurl 7.67.0" "curl_easy_getinfo options"
.SH NAME
CURLINFO_ACTIVESOCKET \- get the active socket
.SH SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_ACTIVESOCKET,
curl_socket_t *socket);
.SH DESCRIPTION
Pass a pointer to a curl_socket_t to receive the active socket used by this
curl session. If the socket is no longer valid, \fICURL_SOCKET_BAD\fP is
returned. When you finish working with the socket, you must call
\fIcurl_easy_cleanup(3)\fP as usual on the easy handle and let libcurl close
the socket and cleanup other resources associated with the handle. This is
typically used in combination with \fICURLOPT_CONNECT_ONLY(3)\fP.
This option was added as a replacement for \fICURLINFO_LASTSOCKET(3)\fP since
that one isn't working on all platforms.
.SH PROTOCOLS
All
.SH EXAMPLE
.nf
CURL *curl = curl_easy_init();
if(curl) {
curl_socket_t sockfd;
curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
/* Do not do the transfer - only connect to host */
curl_easy_setopt(curl, CURLOPT_CONNECT_ONLY, 1L);
res = curl_easy_perform(curl);
/* Extract the socket from the curl handle */
res = curl_easy_getinfo(curl, CURLINFO_ACTIVESOCKET, &sockfd);
if(res != CURLE_OK) {
printf("Error: %s\\n", curl_easy_strerror(res));
return 1;
}
}
.fi
.SH AVAILABILITY
Added in 7.45.0
.SH RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
.SH "SEE ALSO"
.BR curl_easy_getinfo "(3), " curl_easy_setopt "(3), "
.BR CURLINFO_LASTSOCKET "(3), "