CURLINFO_NAMELOOKUP_TIME_T(3) | Library Functions Manual | CURLINFO_NAMELOOKUP_TIME_T(3) |
NAME
CURLINFO_NAMELOOKUP_TIME_T - get the name lookup time in microseconds
SYNOPSIS
#include <curl/curl.h> CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_NAMELOOKUP_TIME_T, curl_off_t *timep);
DESCRIPTION
Pass a pointer to a curl_off_t to receive the total time in microseconds from the start until the name resolving was completed.
When a redirect is followed, the time from each request is added together.
See also the TIMES overview in the curl_easy_getinfo(3) man page.
PROTOCOLS
This functionality affects all supported protocols
EXAMPLE
int main(void) { CURL *curl = curl_easy_init(); if(curl) { CURLcode res; curl_off_t namelookup; curl_easy_setopt(curl, CURLOPT_URL, "https://example.com"); res = curl_easy_perform(curl); if(CURLE_OK == res) { res = curl_easy_getinfo(curl, CURLINFO_NAMELOOKUP_TIME_T, &namelookup); if(CURLE_OK == res) { printf("Time: %" CURL_FORMAT_CURL_OFF_T ".%06ld", namelookup / 1000000, (long)(namelookup % 1000000)); } } /* always cleanup */ curl_easy_cleanup(curl); } }
AVAILABILITY
Added in curl 7.61.0
RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
SEE ALSO
CURLINFO_NAMELOOKUP_TIME(3), curl_easy_getinfo(3), curl_easy_setopt(3)
2024-09-18 | libcurl |