private static async Task DownloadFileAsync(DownloadOption option)
{
var output = option.Output ?? "";
output = Path.GetFullPath(output);
Console.WriteLine($"Download url = {option.Url}");
Console.WriteLine($"Output = {output}");
try
{
var loggerFactory = LoggerFactory.Create(builder => { });
var logger = loggerFactory.CreateLogger <SegmentFileDownloader>();
var progress = new Progress <DownloadProgress>();
var obj = new object();
DownloadProgress downloadProgress = null;
progress.ProgressChanged += (sender, p) =>
{
lock (obj)
{
downloadProgress = p;
}
};
bool finished = false;
long lastLength = 0;
DateTime lastTime = DateTime.Now;
_ = Task.Run(async() =>
{
while (!finished)
{
lock (obj)
{
if (downloadProgress == null)
{
continue;
}
Console.Clear();
Console.WriteLine($"Download url = {option.Url}");
Console.WriteLine($"Output = {output}");
Console.WriteLine(
$"Process {downloadProgress.DownloadedLength * 100.0 / downloadProgress.FileLength:0.00}");
Console.WriteLine($"{downloadProgress.DownloadedLength}/{downloadProgress.FileLength}");
Console.WriteLine();
Console.WriteLine($"{(downloadProgress.DownloadedLength - lastLength) * 1000.0 / (DateTime.Now - lastTime).TotalMilliseconds / 1024 / 1024:0.00} MB/s");
lastLength = downloadProgress.DownloadedLength;
lastTime = DateTime.Now;
foreach (var downloadSegment in downloadProgress.GetCurrentDownloadSegmentList())
{
Console.WriteLine(downloadSegment);
}
}
await Task.Delay(500);
}
});
var file = new FileInfo(output);
var url = option.Url;
var segmentFileDownloader = new SegmentFileDownloader(url, file, logger, progress);
await segmentFileDownloader.DownloadFile();
finished = true;
}
catch (Exception e)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine(e);
Console.ResetColor();
}
}