using System; using System.Collections.Generic; using System.Text; using System.Net; namespace SpeedTest { class Program { static void Main(string[] args) { Console.Title = "A simple speedtest app"; // the URL to download a file from Uri URL = new Uri("http://tv.vnn.vn"); WebClient wc = new WebClient(); Console.WriteLine("Welcome to this simple speedtest,\nwhich will test your download rate."); Console.WriteLine("Press any key to begin."); Console.ReadKey(); Console.WriteLine("\nDownloading file: 1024kb.txt..."); Console.WriteLine("From http://tv.vnn.vn"); Console.WriteLine("Note: This file will automatically be deleted after the test."); // get current tickcount double starttime = Environment.TickCount; // download file from the specified URL, and save it to C:\speedtest.txt wc.DownloadFile(URL, @"C:\SpeedTest\SpeedTest\speedtest.txt"); // get current tickcount double endtime = Environment.TickCount; // how many seconds did it take? // we are calculating this by subtracting starttime from endtime // and dividing by 1000 (since the tickcount is in miliseconds.. 1000 ms = 1 sec) double secs = Math.Floor(endtime - starttime) / 1000; // round the number of secs and remove the decimal point double secs2 = Math.Round(secs, 0); // calculate download rate in kb per sec. // this is done by dividing 1024 by the number of seconds it // took to download the file (1024 bytes = 1 kilobyte) double kbsec = Math.Round(1024 / secs); Console.WriteLine("\nCompleted. Statistics:\n"); Console.WriteLine("1mb download: \t{0} secs ({1} secs)", secs2, secs); Console.WriteLine("Download rate: \t{0} kb/sec", kbsec); Console.WriteLine("\nPress any key to exit..."); Console.Read(); Console.WriteLine("Cleaning up... (deleting downloaded file)"); try { // delete downloaded file System.IO.File.Delete(@"C:\SpeedTest\SpeedTest\speedtest.txt"); Console.WriteLine("Done."); } catch { Console.WriteLine("Couldn't delete download file."); Console.WriteLine("To delete the file yourself, go to your C-drive and look for the file 'speedtest.txt'."); Console.ReadKey(); } } } }
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