/// <summary>
/// Main entry point
/// </summary>
/// <param name="args">Arguments to be passed to the application</param>
public static void Main(string[] args)
{
try
{
Downloader.ProgressUpdateEvent += Print;
string retry;
do
{
Print("How many parallel downloads do you want to execute?");
int numOfParallelDownloads = int.Parse(Console.ReadLine());
DownloadResult result = Downloader.Download(ConfigurationManager.AppSettings["fileUrl"], ConfigurationManager.AppSettings["downloadLocation"], numOfParallelDownloads);
Print($"Download Summary:\n FileSize: {DisplayFormatHelper.FormatSize(result.Size)}\n Number of chunks: {numOfParallelDownloads}" +
$"\n Chunk size: {DisplayFormatHelper.FormatSize(result.ChunkSize)}\n Time taken : {DisplayFormatHelper.TimeSpanDisplayFormat(result.TimeTaken)} \n Downloaded File: {result.FilePath}");
Print("Try again? (Y/N)");
retry = Console.ReadLine();
}while (!string.IsNullOrWhiteSpace(retry) && retry.ToLower() == "y");
}
catch (FriendlyException ex)
{
Console.WriteLine(ex.Message);
}
Console.Read();
}
private static void UpdateProgress(long chunkSize, TimeSpan chunkTime, TimeSpan totalTime, long total, int parallelDownloads)
{
if (ProgressUpdateEvent == null)
{
return;
}
StringBuilder sb = new StringBuilder();
//Given the size of the chunk just downloaded and the chunks remaining, calculate the time remaining for the download to complete.
sb.Append($"{downloadedChunks * 100 / total}% - Speed {DisplayFormatHelper.FormatSize((long)(chunkSize / chunkTime.TotalSeconds))}ps");
if (total > downloadedChunks)
{
//Assuming all the downloads start at relatively the same time ((total - downloadedChunks) * chunkTime.Ticks) - chunkTime.Ticks))
sb.Append($" - Estimated time remaining {DisplayFormatHelper.TimeSpanDisplayFormat((long)((total - downloadedChunks) * chunkTime.Ticks) - chunkTime.Ticks)}");
}
ProgressUpdateEvent(sb.ToString());
}
