1--- 2c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 3SPDX-License-Identifier: curl 4Title: CURLINFO_APPCONNECT_TIME 5Section: 3 6Source: libcurl 7See-also: 8 - CURLINFO_APPCONNECT_TIME_T (3) 9 - curl_easy_getinfo (3) 10 - curl_easy_setopt (3) 11Protocol: 12 - All 13--- 14 15# NAME 16 17CURLINFO_APPCONNECT_TIME - get the time until the SSL/SSH handshake is completed 18 19# SYNOPSIS 20 21~~~c 22#include <curl/curl.h> 23 24CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_APPCONNECT_TIME, 25 double *timep); 26~~~ 27 28# DESCRIPTION 29 30Pass a pointer to a double to receive the time, in seconds, it took from the 31start until the SSL/SSH connect/handshake to the remote host was completed. 32This time is most often close to the CURLINFO_PRETRANSFER_TIME(3) time, except 33for cases such as HTTP multiplexing where the pretransfer time can be delayed 34due to waits in line for the stream and more. 35 36When a redirect is followed, the time from each request is added together. 37 38See also the TIMES overview in the curl_easy_getinfo(3) man page. 39 40# EXAMPLE 41 42~~~c 43int main(void) 44{ 45 CURL *curl = curl_easy_init(); 46 if(curl) { 47 CURLcode res; 48 double connect; 49 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/"); 50 res = curl_easy_perform(curl); 51 if(CURLE_OK == res) { 52 res = curl_easy_getinfo(curl, CURLINFO_APPCONNECT_TIME, &connect); 53 if(CURLE_OK == res) { 54 printf("Time: %.1f", connect); 55 } 56 } 57 /* always cleanup */ 58 curl_easy_cleanup(curl); 59 } 60} 61~~~ 62 63# AVAILABILITY 64 65Added in 7.19.0 66 67# RETURN VALUE 68 69Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. 70