/*************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | * / __| | | | |_) | | * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * * Copyright (C) 1998 - 2020, 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. * ***************************************************************************/ /* <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 <string.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(strncasecmp(*argv, "-", 1) == 0) { if(strncasecmp(*argv, "-H", 2) == 0) { fprintf(stderr, "\rUsage: %s [-m=1|2|5|10|20|50|100] [-t] [-x] [url]\n", appname); exit(1); } else if(strncasecmp(*argv, "-V", 2) == 0) { fprintf(stderr, "\r%s %s - %s\n", appname, CHKSPEED_VERSION, curl_version()); exit(1); } else if(strncasecmp(*argv, "-A", 2) == 0) { prtall = 1; } else if(strncasecmp(*argv, "-X", 2) == 0) { prtsep = 1; } else if(strncasecmp(*argv, "-T", 2) == 0) { prttime = 1; } else if(strncasecmp(*argv, "-M=", 3) == 0) { 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); } } else { 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 don't 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: %" CURL_FORMAT_CURL_OFF_T " bytes.\n", 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: %" CURL_FORMAT_CURL_OFF_T ".%06ld sec.\n", (val / 1000000), (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: %" CURL_FORMAT_CURL_OFF_T " kbyte/sec.\n", 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: %" CURL_FORMAT_CURL_OFF_T ".%06ld sec.\n", (val / 1000000), (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: %" CURL_FORMAT_CURL_OFF_T ".%06ld sec.\n", (val / 1000000), (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're done with libcurl, so clean it up */ curl_global_cleanup(); return 0; }