/***************************************************************************
|
* _ _ ____ _
|
* Project ___| | | | _ \| |
|
* / __| | | | |_) | |
|
* | (__| |_| | _ <| |___
|
* \___|\___/|_| \_\_____|
|
*
|
* Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
|
*
|
* This software is licensed as described in the file COPYING, which
|
* you should have received as part of this distribution. The terms
|
* are also available at http://curl.haxx.se/docs/copyright.html.
|
*
|
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
|
* copies of the Software, and permit persons to whom the Software is
|
* furnished to do so, under the terms of the COPYING file.
|
*
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
* KIND, either express or implied.
|
*
|
***************************************************************************/
|
#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);
|
|
/* under certain circumstances it may be desirable for certain functionality
|
to only run every N seconds, in order to do this the transaction time can
|
be used */
|
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 = CURLE_OK;
|
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);
|
/* pass the struct pointer into the progress function */
|
curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, &prog);
|
curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0L);
|
res = curl_easy_perform(curl);
|
|
if(res != CURLE_OK)
|
fprintf(stderr, "%s\n", curl_easy_strerror(res));
|
|
/* always cleanup */
|
curl_easy_cleanup(curl);
|
}
|
return (int)res;
|
}
|
