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CURLINFO_STARTTRANSFER_TIME_T explained
Name
CURLINFO_STARTTRANSFER_TIME_T - get the time until the first byte is received
Synopsis
#include <curl/curl.h> CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_STARTTRANSFER_TIME_T, curl_off_t *timep);
Description
Pass a pointer to a curl_off_t to receive the time, in microseconds, it took from the start until the first byte is received by libcurl. This includes CURLINFO_PRETRANSFER_TIME_T and also the time the server needs to calculate the result.
When a redirect is followed, the time from each request is added together.
See also the TIMES overview in the curl_easy_getinfo man page.
Protocols
Example
curl = curl_easy_init(); if(curl) { curl_off_t start; curl_easy_setopt(curl, CURLOPT_URL, url); res = curl_easy_perform(curl); if(CURLE_OK == res) { res = curl_easy_getinfo(curl, CURLINFO_STARTTRANSFER_TIME_T, &start); if(CURLE_OK == res) { printf("Time: %" CURL_FORMAT_CURL_OFF_T ".%06ld", start / 1000000, (long)(start % 1000000)); } } /* always cleanup */ curl_easy_cleanup(curl); }
Availability
Return value
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
See also
curl_easy_getinfo(3), curl_easy_setopt(3), CURLINFO_STARTTRANSFER_TIME(3)
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