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55 lines
1.7 KiB
Groff
55 lines
1.7 KiB
Groff
.\" generated by cd2nroff 0.1 from CURLOPT_MAXCONNECTS.md
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.TH CURLOPT_MAXCONNECTS 3 "2024-06-01" libcurl
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.SH NAME
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CURLOPT_MAXCONNECTS \- maximum connection cache size
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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_MAXCONNECTS, long amount);
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.fi
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.SH DESCRIPTION
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Pass a long. The set \fIamount\fP is the maximum number of simultaneously open
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persistent connections that libcurl may cache in the pool associated with this
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handle. The default is 5, and there is not much point in changing this value
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unless you are perfectly aware of how this works. This concerns connections
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using any of the protocols that support persistent connections.
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When reaching the maximum limit, curl closes the oldest one in the cache to
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prevent increasing the number of open connections.
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If you already have performed transfers with this curl handle, setting a
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smaller \fICURLOPT_MAXCONNECTS(3)\fP than before may cause open connections to
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get closed unnecessarily.
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If you add this easy handle to a multi handle, this setting is not
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acknowledged, and you must instead use \fIcurl_multi_setopt(3)\fP and the
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\fICURLMOPT_MAXCONNECTS(3)\fP option.
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.SH DEFAULT
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5
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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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CURLcode ret;
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
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/* limit the connection cache for this handle to no more than 3 */
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curl_easy_setopt(curl, CURLOPT_MAXCONNECTS, 3L);
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ret = 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
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.SH SEE ALSO
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.BR CURLMOPT_MAXCONNECTS (3),
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.BR CURLMOPT_MAX_HOST_CONNECTIONS (3),
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.BR CURLMOPT_MAX_TOTAL_CONNECTIONS (3),
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.BR CURLOPT_MAXREDIRS (3)
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