1 /***************************************************************************
2  *                                  _   _ ____  _
3  *  Project                     ___| | | |  _ \| |
4  *                             / __| | | | |_) | |
5  *                            | (__| |_| |  _ <| |___
6  *                             \___|\___/|_| \_\_____|
7  *
8  * Copyright (C) 1998 - 2017, 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.haxx.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  ***************************************************************************/
22 /* <DESC>
23  * Show transfer timing info after download completes.
24  * </DESC>
25  */
26 /* Example source code to show how the callback function can be used to
27  * download data into a chunk of memory instead of storing it in a file.
28  * After successful download we use curl_easy_getinfo() calls to get the
29  * amount of downloaded bytes, the time used for the whole download, and
30  * the average download speed.
31  * On Linux you can create the download test files with:
32  * dd if=/dev/urandom of=file_1M.bin bs=1M count=1
33  *
34  */
35 
36 #include <stdio.h>
37 #include <stdlib.h>
38 #include <string.h>
39 #include <time.h>
40 
41 #include <curl/curl.h>
42 
43 #define URL_BASE "http://speedtest.your.domain/"
44 #define URL_1M   URL_BASE "file_1M.bin"
45 #define URL_2M   URL_BASE "file_2M.bin"
46 #define URL_5M   URL_BASE "file_5M.bin"
47 #define URL_10M  URL_BASE "file_10M.bin"
48 #define URL_20M  URL_BASE "file_20M.bin"
49 #define URL_50M  URL_BASE "file_50M.bin"
50 #define URL_100M URL_BASE "file_100M.bin"
51 
52 #define CHKSPEED_VERSION "1.0"
53 
WriteCallback(void * ptr,size_t size,size_t nmemb,void * data)54 static size_t WriteCallback(void *ptr, size_t size, size_t nmemb, void *data)
55 {
56   /* we are not interested in the downloaded bytes itself,
57      so we only return the size we would have saved ... */
58   (void)ptr;  /* unused */
59   (void)data; /* unused */
60   return (size_t)(size * nmemb);
61 }
62 
main(int argc,char * argv[])63 int main(int argc, char *argv[])
64 {
65   CURL *curl_handle;
66   CURLcode res;
67   int prtall = 0, prtsep = 0, prttime = 0;
68   const char *url = URL_1M;
69   char *appname = argv[0];
70 
71   if(argc > 1) {
72     /* parse input parameters */
73     for(argc--, argv++; *argv; argc--, argv++) {
74       if(strncasecmp(*argv, "-", 1) == 0) {
75         if(strncasecmp(*argv, "-H", 2) == 0) {
76           fprintf(stderr,
77                   "\rUsage: %s [-m=1|2|5|10|20|50|100] [-t] [-x] [url]\n",
78                   appname);
79           exit(1);
80         }
81         else if(strncasecmp(*argv, "-V", 2) == 0) {
82           fprintf(stderr, "\r%s %s - %s\n",
83                   appname, CHKSPEED_VERSION, curl_version());
84           exit(1);
85         }
86         else if(strncasecmp(*argv, "-A", 2) == 0) {
87           prtall = 1;
88         }
89         else if(strncasecmp(*argv, "-X", 2) == 0) {
90           prtsep = 1;
91         }
92         else if(strncasecmp(*argv, "-T", 2) == 0) {
93           prttime = 1;
94         }
95         else if(strncasecmp(*argv, "-M=", 3) == 0) {
96           long m = strtol((*argv) + 3, NULL, 10);
97           switch(m) {
98           case 1:
99             url = URL_1M;
100             break;
101           case 2:
102             url = URL_2M;
103             break;
104           case 5:
105             url = URL_5M;
106             break;
107           case 10:
108             url = URL_10M;
109             break;
110           case 20:
111             url = URL_20M;
112             break;
113           case 50:
114             url = URL_50M;
115             break;
116           case 100:
117             url = URL_100M;
118             break;
119           default:
120             fprintf(stderr, "\r%s: invalid parameter %s\n",
121                     appname, *argv + 3);
122             exit(1);
123           }
124         }
125         else {
126           fprintf(stderr, "\r%s: invalid or unknown option %s\n",
127                   appname, *argv);
128           exit(1);
129         }
130       }
131       else {
132         url = *argv;
133       }
134     }
135   }
136 
137   /* print separator line */
138   if(prtsep) {
139     printf("-------------------------------------------------\n");
140   }
141   /* print localtime */
142   if(prttime) {
143     time_t t = time(NULL);
144     printf("Localtime: %s", ctime(&t));
145   }
146 
147   /* init libcurl */
148   curl_global_init(CURL_GLOBAL_ALL);
149 
150   /* init the curl session */
151   curl_handle = curl_easy_init();
152 
153   /* specify URL to get */
154   curl_easy_setopt(curl_handle, CURLOPT_URL, url);
155 
156   /* send all data to this function  */
157   curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, WriteCallback);
158 
159   /* some servers don't like requests that are made without a user-agent
160      field, so we provide one */
161   curl_easy_setopt(curl_handle, CURLOPT_USERAGENT,
162                    "libcurl-speedchecker/" CHKSPEED_VERSION);
163 
164   /* get it! */
165   res = curl_easy_perform(curl_handle);
166 
167   if(CURLE_OK == res) {
168     curl_off_t val;
169 
170     /* check for bytes downloaded */
171     res = curl_easy_getinfo(curl_handle, CURLINFO_SIZE_DOWNLOAD_T, &val);
172     if((CURLE_OK == res) && (val>0))
173       printf("Data downloaded: %" CURL_FORMAT_CURL_OFF_T " bytes.\n", val);
174 
175     /* check for total download time */
176     res = curl_easy_getinfo(curl_handle, CURLINFO_TOTAL_TIME_T, &val);
177     if((CURLE_OK == res) && (val>0))
178       printf("Total download time: %" CURL_FORMAT_CURL_OFF_T ".%06ld sec.\n",
179              (val / 1000000), (long)(val % 1000000));
180 
181     /* check for average download speed */
182     res = curl_easy_getinfo(curl_handle, CURLINFO_SPEED_DOWNLOAD_T, &val);
183     if((CURLE_OK == res) && (val>0))
184       printf("Average download speed: %" CURL_FORMAT_CURL_OFF_T
185              " kbyte/sec.\n", val / 1024);
186 
187     if(prtall) {
188       /* check for name resolution time */
189       res = curl_easy_getinfo(curl_handle, CURLINFO_NAMELOOKUP_TIME_T, &val);
190       if((CURLE_OK == res) && (val>0))
191         printf("Name lookup time: %" CURL_FORMAT_CURL_OFF_T ".%06ld sec.\n",
192                (val / 1000000), (long)(val % 1000000));
193 
194       /* check for connect time */
195       res = curl_easy_getinfo(curl_handle, CURLINFO_CONNECT_TIME_T, &val);
196       if((CURLE_OK == res) && (val>0))
197         printf("Connect time: %" CURL_FORMAT_CURL_OFF_T ".%06ld sec.\n",
198                (val / 1000000), (long)(val % 1000000));
199     }
200   }
201   else {
202     fprintf(stderr, "Error while fetching '%s' : %s\n",
203             url, curl_easy_strerror(res));
204   }
205 
206   /* cleanup curl stuff */
207   curl_easy_cleanup(curl_handle);
208 
209   /* we're done with libcurl, so clean it up */
210   curl_global_cleanup();
211 
212   return 0;
213 }
214