#include <stdio.h>
#include <curl/curl.h>
#define STOP_DOWNLOAD_AFTER_THIS_MANY_BYTES 6000
#define MINIMAL_PROGRESS_FUNCTIONALITY_INTERVAL 3
struct myprogress {
double lastruntime;
CURL *curl;
};
static int progress(void *p,
double dltotal, double dlnow,
double ultotal, double ulnow)
{
struct myprogress *myp = (struct myprogress *)p;
CURL *curl = myp->curl;
double curtime = 0;
curl_easy_getinfo(curl, CURLINFO_TOTAL_TIME, &curtime);
if((curtime - myp->lastruntime) >= MINIMAL_PROGRESS_FUNCTIONALITY_INTERVAL) {
myp->lastruntime = curtime;
fprintf(stderr, "TOTAL TIME: %f \r\n", curtime);
}
fprintf(stderr, "UP: %g of %g DOWN: %g of %g\r\n",
ulnow, ultotal, dlnow, dltotal);
if(dlnow > STOP_DOWNLOAD_AFTER_THIS_MANY_BYTES)
return 1;
return 0;
}
int main(void)
{
CURL *curl;
CURLcode res=0;
struct myprogress prog;
curl = curl_easy_init();
if(curl) {
prog.lastruntime = 0;
prog.curl = curl;
curl_easy_setopt(curl, CURLOPT_URL, "http://example.com/");
curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, progress);
curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, &prog);
curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0L);
res = curl_easy_perform(curl);
if(res)
fprintf(stderr, "%s\n", curl_easy_strerror(res));
curl_easy_cleanup(curl);
}
return (int)res;
}