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68 lines
2.3 KiB
Groff
68 lines
2.3 KiB
Groff
.\" generated by cd2nroff 0.1 from CURLOPT_CONNECTTIMEOUT_MS.md
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.TH CURLOPT_CONNECTTIMEOUT_MS 3 "2024-07-29" libcurl
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.SH NAME
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CURLOPT_CONNECTTIMEOUT_MS \- timeout for the connect phase
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_CONNECTTIMEOUT_MS,
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long timeout);
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.fi
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.SH DESCRIPTION
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Pass a long. It sets the maximum time in milliseconds that you allow the
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connection phase to take. This timeout only limits the connection phase, it
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has no impact once libcurl has connected. The connection phase includes the
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name resolve (DNS) and all protocol handshakes and negotiations until there is
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an established connection with the remote side.
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Set this option to zero to switch to the default built\-in connection timeout \-
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300 seconds. See also the \fICURLOPT_TIMEOUT_MS(3)\fP option.
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\fICURLOPT_CONNECTTIMEOUT(3)\fP is the same function but set in seconds.
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If both \fICURLOPT_CONNECTTIMEOUT(3)\fP and \fICURLOPT_CONNECTTIMEOUT_MS(3)\fP are set,
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the value set last is used.
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The connection timeout is included in the general all\-covering
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\fICURLOPT_TIMEOUT_MS(3)\fP:
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With \fICURLOPT_CONNECTTIMEOUT_MS(3)\fP set to 3000 and \fICURLOPT_TIMEOUT_MS(3)\fP set to
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5000, the operation can never last longer than 5000 milliseconds, and the
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connection phase cannot last longer than 3000 milliseconds.
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With \fICURLOPT_CONNECTTIMEOUT_MS(3)\fP set to 4000 and \fICURLOPT_TIMEOUT_MS(3)\fP set to
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2000, the operation can never last longer than 2000 milliseconds. Including
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the connection phase.
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This option may cause libcurl to use the SIGALRM signal to timeout system
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calls on builds not using asynch DNS. In unix\-like systems, this might cause
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signals to be used unless \fICURLOPT_NOSIGNAL(3)\fP is set.
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.SH DEFAULT
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300000
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.SH PROTOCOLS
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This functionality affects all supported protocols
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.SH EXAMPLE
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.nf
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int main(void)
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
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/* complete connection within 10000 milliseconds */
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curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT_MS, 10000L);
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curl_easy_perform(curl);
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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 curl 7.16.2
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.SH RETURN VALUE
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Returns CURLE_OK
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.SH SEE ALSO
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.BR CURLOPT_LOW_SPEED_LIMIT (3),
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.BR CURLOPT_MAX_RECV_SPEED_LARGE (3),
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.BR CURLOPT_TIMEOUT_MS (3)
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