1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
9 *
10 * This software is licensed as described in the file COPYING, which
11 * you should have received as part of this distribution. The terms
12 * are also available at https://curl.se/docs/copyright.html.
13 *
14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15 * copies of the Software, and permit persons to whom the Software is
16 * furnished to do so, under the terms of the COPYING file.
17 *
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
20 *
21 * SPDX-License-Identifier: curl
22 *
23 ***************************************************************************/
24 /* <DESC>
25 * Show transfer timing info after download completes.
26 * </DESC>
27 */
28 /* Example source code to show how the callback function can be used to
29 * download data into a chunk of memory instead of storing it in a file.
30 * After successful download we use curl_easy_getinfo() calls to get the
31 * amount of downloaded bytes, the time used for the whole download, and
32 * the average download speed.
33 * On Linux you can create the download test files with:
34 * dd if=/dev/urandom of=file_1M.bin bs=1M count=1
35 *
36 */
37
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <time.h>
41
42 #include <curl/curl.h>
43
44 #define URL_BASE "http://speedtest.your.domain/"
45 #define URL_1M URL_BASE "file_1M.bin"
46 #define URL_2M URL_BASE "file_2M.bin"
47 #define URL_5M URL_BASE "file_5M.bin"
48 #define URL_10M URL_BASE "file_10M.bin"
49 #define URL_20M URL_BASE "file_20M.bin"
50 #define URL_50M URL_BASE "file_50M.bin"
51 #define URL_100M URL_BASE "file_100M.bin"
52
53 #define CHKSPEED_VERSION "1.0"
54
WriteCallback(void * ptr,size_t size,size_t nmemb,void * data)55 static size_t WriteCallback(void *ptr, size_t size, size_t nmemb, void *data)
56 {
57 /* we are not interested in the downloaded bytes itself,
58 so we only return the size we would have saved ... */
59 (void)ptr; /* unused */
60 (void)data; /* unused */
61 return (size_t)(size * nmemb);
62 }
63
main(int argc,char * argv[])64 int main(int argc, char *argv[])
65 {
66 CURL *curl_handle;
67 CURLcode res;
68 int prtall = 0, prtsep = 0, prttime = 0;
69 const char *url = URL_1M;
70 char *appname = argv[0];
71
72 if(argc > 1) {
73 /* parse input parameters */
74 for(argc--, argv++; *argv; argc--, argv++) {
75 if(argv[0][0] == '-') {
76 switch(argv[0][1]) {
77 case 'h':
78 case 'H':
79 fprintf(stderr,
80 "\rUsage: %s [-m=1|2|5|10|20|50|100] [-t] [-x] [url]\n",
81 appname);
82 exit(1);
83 case 'v':
84 case 'V':
85 fprintf(stderr, "\r%s %s - %s\n",
86 appname, CHKSPEED_VERSION, curl_version());
87 exit(1);
88 case 'a':
89 case 'A':
90 prtall = 1;
91 break;
92 case 'x':
93 case 'X':
94 prtsep = 1;
95 break;
96 case 't':
97 case 'T':
98 prttime = 1;
99 break;
100 case 'm':
101 case 'M':
102 if(argv[0][2] == '=') {
103 long m = strtol((*argv) + 3, NULL, 10);
104 switch(m) {
105 case 1:
106 url = URL_1M;
107 break;
108 case 2:
109 url = URL_2M;
110 break;
111 case 5:
112 url = URL_5M;
113 break;
114 case 10:
115 url = URL_10M;
116 break;
117 case 20:
118 url = URL_20M;
119 break;
120 case 50:
121 url = URL_50M;
122 break;
123 case 100:
124 url = URL_100M;
125 break;
126 default:
127 fprintf(stderr, "\r%s: invalid parameter %s\n",
128 appname, *argv + 3);
129 return 1;
130 }
131 break;
132 }
133 fprintf(stderr, "\r%s: invalid or unknown option %s\n",
134 appname, *argv);
135 return 1;
136 default:
137 fprintf(stderr, "\r%s: invalid or unknown option %s\n",
138 appname, *argv);
139 return 1;
140 }
141 }
142 else {
143 url = *argv;
144 }
145 }
146 }
147
148 /* print separator line */
149 if(prtsep) {
150 printf("-------------------------------------------------\n");
151 }
152 /* print localtime */
153 if(prttime) {
154 time_t t = time(NULL);
155 printf("Localtime: %s", ctime(&t));
156 }
157
158 /* init libcurl */
159 curl_global_init(CURL_GLOBAL_ALL);
160
161 /* init the curl session */
162 curl_handle = curl_easy_init();
163
164 /* specify URL to get */
165 curl_easy_setopt(curl_handle, CURLOPT_URL, url);
166
167 /* send all data to this function */
168 curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, WriteCallback);
169
170 /* some servers do not like requests that are made without a user-agent
171 field, so we provide one */
172 curl_easy_setopt(curl_handle, CURLOPT_USERAGENT,
173 "libcurl-speedchecker/" CHKSPEED_VERSION);
174
175 /* get it! */
176 res = curl_easy_perform(curl_handle);
177
178 if(CURLE_OK == res) {
179 curl_off_t val;
180
181 /* check for bytes downloaded */
182 res = curl_easy_getinfo(curl_handle, CURLINFO_SIZE_DOWNLOAD_T, &val);
183 if((CURLE_OK == res) && (val > 0))
184 printf("Data downloaded: %lu bytes.\n", (unsigned long)val);
185
186 /* check for total download time */
187 res = curl_easy_getinfo(curl_handle, CURLINFO_TOTAL_TIME_T, &val);
188 if((CURLE_OK == res) && (val > 0))
189 printf("Total download time: %lu.%06lu sec.\n",
190 (unsigned long)(val / 1000000), (unsigned long)(val % 1000000));
191
192 /* check for average download speed */
193 res = curl_easy_getinfo(curl_handle, CURLINFO_SPEED_DOWNLOAD_T, &val);
194 if((CURLE_OK == res) && (val > 0))
195 printf("Average download speed: %lu kbyte/sec.\n",
196 (unsigned long)(val / 1024));
197
198 if(prtall) {
199 /* check for name resolution time */
200 res = curl_easy_getinfo(curl_handle, CURLINFO_NAMELOOKUP_TIME_T, &val);
201 if((CURLE_OK == res) && (val > 0))
202 printf("Name lookup time: %lu.%06lu sec.\n",
203 (unsigned long)(val / 1000000), (unsigned long)(val % 1000000));
204
205 /* check for connect time */
206 res = curl_easy_getinfo(curl_handle, CURLINFO_CONNECT_TIME_T, &val);
207 if((CURLE_OK == res) && (val > 0))
208 printf("Connect time: %lu.%06lu sec.\n",
209 (unsigned long)(val / 1000000), (unsigned long)(val % 1000000));
210 }
211 }
212 else {
213 fprintf(stderr, "Error while fetching '%s' : %s\n",
214 url, curl_easy_strerror(res));
215 }
216
217 /* cleanup curl stuff */
218 curl_easy_cleanup(curl_handle);
219
220 /* we are done with libcurl, so clean it up */
221 curl_global_cleanup();
222
223 return 0;
224 }
225