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curl-stats.c
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curl-stats.c
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/*
* Simple HTTP/HTTPS connection statistics program.
* Adapted from the libcurl examples at <https://github.com/curl/curl/>.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <curl/curl.h>
#define URL "https://github.com/"
static size_t WriteCallback(void *ptr, size_t size, size_t nmemb, void *data) {
(void)ptr; /* unused */
(void)data; /* unused */
return (size_t)(size * nmemb);
}
int main () {
CURL *curl_handle;
CURLcode res;
const char *url = URL;
curl_global_init(CURL_GLOBAL_ALL);
curl_handle = curl_easy_init();
curl_easy_setopt(curl_handle, CURLOPT_URL, url);
curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, WriteCallback);
res = curl_easy_perform(curl_handle);
if (CURLE_OK == res) {
double val;
res = curl_easy_getinfo(curl_handle, CURLINFO_TOTAL_TIME, &val);
if ((CURLE_OK == res) && (val > 0))
printf("Total download seconds: %06f\n", val);
res = curl_easy_getinfo(curl_handle, CURLINFO_PRETRANSFER_TIME, &val);
if ((CURLE_OK == res) && (val > 0))
printf("Total pretransfer seconds: %06f\n", val);
res = curl_easy_getinfo(curl_handle, CURLINFO_NAMELOOKUP_TIME, &val);
if ((CURLE_OK == res) && (val > 0))
printf("Name lookup seconds: %06f\n", val);
res = curl_easy_getinfo(curl_handle, CURLINFO_CONNECT_TIME, &val);
if ((CURLE_OK == res) && (val > 0))
printf("Connect time seconds: %06f\n", val);
} else {
fprintf(stderr, "Error while fetching '%s': %s\n",
url, curl_easy_strerror(res));
}
curl_easy_cleanup(curl_handle);
curl_global_cleanup();
return 0;
}