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69 lines
2.3 KiB
Groff
69 lines
2.3 KiB
Groff
.\" generated by cd2nroff 0.1 from CURLOPT_CONNECTTIMEOUT.md
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.TH CURLOPT_CONNECTTIMEOUT 3 "2024-06-01" libcurl
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.SH NAME
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CURLOPT_CONNECTTIMEOUT \- 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, long timeout);
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.fi
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.SH DESCRIPTION
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Pass a long. It should contain the maximum time in seconds that you allow the
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connection phase to the server to take. This timeout only limits the
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connection phase, it has no impact once it has connected. Set to zero to
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switch to the default built\-in connection timeout \- 300 seconds. See also the
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\fICURLOPT_TIMEOUT(3)\fP option.
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\fICURLOPT_CONNECTTIMEOUT_MS(3)\fP is the same function but set in milliseconds.
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If both \fICURLOPT_CONNECTTIMEOUT(3)\fP and \fICURLOPT_CONNECTTIMEOUT_MS(3)\fP
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are set, the value set last is used.
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The "connection phase" is considered complete when the requested TCP, TLS or
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QUIC handshakes are done.
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The connection timeout set with \fICURLOPT_CONNECTTIMEOUT(3)\fP is included in
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the general all\-covering \fICURLOPT_TIMEOUT(3)\fP.
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With \fICURLOPT_CONNECTTIMEOUT(3)\fP set to 3 and \fICURLOPT_TIMEOUT(3)\fP set
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to 5, the operation can never last longer than 5 seconds, and the connection
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phase cannot last longer than 3 seconds.
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With \fICURLOPT_CONNECTTIMEOUT(3)\fP set to 4 and \fICURLOPT_TIMEOUT(3)\fP set
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to 2, the operation can never last longer than 2 seconds. Including the
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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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300
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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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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 10 seconds */
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curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 10L);
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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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Always
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.SH RETURN VALUE
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Returns CURLE_OK. Returns CURLE_BAD_FUNCTION_ARGUMENT if set to a negative
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value or a value that when converted to milliseconds is too large.
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.SH SEE ALSO
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.BR CURLOPT_CONNECTTIMEOUT_MS (3),
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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 (3)
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