t7x/deps/curl/docs/examples/chkspeed.c

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2023-12-06 17:43:39 -05:00
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 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 https://curl.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.
*
* SPDX-License-Identifier: curl
*
***************************************************************************/
/* <DESC>
* Show transfer timing info after download completes.
* </DESC>
*/
/* Example source code to show how the callback function can be used to
* download data into a chunk of memory instead of storing it in a file.
* After successful download we use curl_easy_getinfo() calls to get the
* amount of downloaded bytes, the time used for the whole download, and
* the average download speed.
* On Linux you can create the download test files with:
* dd if=/dev/urandom of=file_1M.bin bs=1M count=1
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <curl/curl.h>
#define URL_BASE "http://speedtest.your.domain/"
#define URL_1M URL_BASE "file_1M.bin"
#define URL_2M URL_BASE "file_2M.bin"
#define URL_5M URL_BASE "file_5M.bin"
#define URL_10M URL_BASE "file_10M.bin"
#define URL_20M URL_BASE "file_20M.bin"
#define URL_50M URL_BASE "file_50M.bin"
#define URL_100M URL_BASE "file_100M.bin"
#define CHKSPEED_VERSION "1.0"
static size_t WriteCallback(void *ptr, size_t size, size_t nmemb, void *data)
{
/* we are not interested in the downloaded bytes itself,
so we only return the size we would have saved ... */
(void)ptr; /* unused */
(void)data; /* unused */
return (size_t)(size * nmemb);
}
int main(int argc, char *argv[])
{
CURL *curl_handle;
CURLcode res;
int prtall = 0, prtsep = 0, prttime = 0;
const char *url = URL_1M;
char *appname = argv[0];
if(argc > 1) {
/* parse input parameters */
for(argc--, argv++; *argv; argc--, argv++) {
if(argv[0][0] == '-') {
switch(argv[0][1]) {
case 'h':
case 'H':
fprintf(stderr,
"\rUsage: %s [-m=1|2|5|10|20|50|100] [-t] [-x] [url]\n",
appname);
exit(1);
case 'v':
case 'V':
fprintf(stderr, "\r%s %s - %s\n",
appname, CHKSPEED_VERSION, curl_version());
exit(1);
case 'a':
case 'A':
prtall = 1;
break;
case 'x':
case 'X':
prtsep = 1;
break;
case 't':
case 'T':
prttime = 1;
break;
case 'm':
case 'M':
if(argv[0][2] == '=') {
long m = strtol((*argv) + 3, NULL, 10);
switch(m) {
case 1:
url = URL_1M;
break;
case 2:
url = URL_2M;
break;
case 5:
url = URL_5M;
break;
case 10:
url = URL_10M;
break;
case 20:
url = URL_20M;
break;
case 50:
url = URL_50M;
break;
case 100:
url = URL_100M;
break;
default:
fprintf(stderr, "\r%s: invalid parameter %s\n",
appname, *argv + 3);
exit(1);
}
break;
}
/* FALLTHROUGH */
default:
fprintf(stderr, "\r%s: invalid or unknown option %s\n",
appname, *argv);
exit(1);
}
}
else {
url = *argv;
}
}
}
/* print separator line */
if(prtsep) {
printf("-------------------------------------------------\n");
}
/* print localtime */
if(prttime) {
time_t t = time(NULL);
printf("Localtime: %s", ctime(&t));
}
/* init libcurl */
curl_global_init(CURL_GLOBAL_ALL);
/* init the curl session */
curl_handle = curl_easy_init();
/* specify URL to get */
curl_easy_setopt(curl_handle, CURLOPT_URL, url);
/* send all data to this function */
curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, WriteCallback);
/* some servers do not like requests that are made without a user-agent
field, so we provide one */
curl_easy_setopt(curl_handle, CURLOPT_USERAGENT,
"libcurl-speedchecker/" CHKSPEED_VERSION);
/* get it! */
res = curl_easy_perform(curl_handle);
if(CURLE_OK == res) {
curl_off_t val;
/* check for bytes downloaded */
res = curl_easy_getinfo(curl_handle, CURLINFO_SIZE_DOWNLOAD_T, &val);
if((CURLE_OK == res) && (val>0))
printf("Data downloaded: %lu bytes.\n", (unsigned long)val);
/* check for total download time */
res = curl_easy_getinfo(curl_handle, CURLINFO_TOTAL_TIME_T, &val);
if((CURLE_OK == res) && (val>0))
printf("Total download time: %lu.%06lu sec.\n",
(unsigned long)(val / 1000000), (unsigned long)(val % 1000000));
/* check for average download speed */
res = curl_easy_getinfo(curl_handle, CURLINFO_SPEED_DOWNLOAD_T, &val);
if((CURLE_OK == res) && (val>0))
printf("Average download speed: %lu kbyte/sec.\n",
(unsigned long)(val / 1024));
if(prtall) {
/* check for name resolution time */
res = curl_easy_getinfo(curl_handle, CURLINFO_NAMELOOKUP_TIME_T, &val);
if((CURLE_OK == res) && (val>0))
printf("Name lookup time: %lu.%06lu sec.\n",
(unsigned long)(val / 1000000), (unsigned long)(val % 1000000));
/* check for connect time */
res = curl_easy_getinfo(curl_handle, CURLINFO_CONNECT_TIME_T, &val);
if((CURLE_OK == res) && (val>0))
printf("Connect time: %lu.%06lu sec.\n",
(unsigned long)(val / 1000000), (unsigned long)(val % 1000000));
}
}
else {
fprintf(stderr, "Error while fetching '%s' : %s\n",
url, curl_easy_strerror(res));
}
/* cleanup curl stuff */
curl_easy_cleanup(curl_handle);
/* we are done with libcurl, so clean it up */
curl_global_cleanup();
return 0;
}