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>();
using var progress = new FileDownloadSpeedProgress();
progress.ProgressChanged += (sender, downloadProgress) =>
{
Console.Clear();
Console.WriteLine($"Download url = {option.Url}");
Console.WriteLine($"Output = {output}");
Console.WriteLine();
Console.WriteLine(
$"Process {downloadProgress.DownloadProcess} {downloadProgress.DownloadSpeed}");
foreach (var downloadSegment in downloadProgress.DownloadProgress.GetCurrentDownloadSegmentList())
{
Console.WriteLine(downloadSegment);
}
};
var file = new FileInfo(output);
var url = option.Url;
var segmentFileDownloader = new SegmentFileDownloader(url, file, logger, progress);
await segmentFileDownloader.DownloadFileAsync();
//finished = true;
}
catch (Exception e)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine(e);
Console.ResetColor();
}
}
public async void AddDownloadFile()
{
var url = AddFileDownloadViewModel.CurrentDownloadUrl;
var file = AddFileDownloadViewModel.CurrentDownloadFilePath;
var logger = _loggerFactory.CreateLogger <SegmentFileDownloader>();
using var progress = new FileDownloadSpeedProgress();
file = Path.GetFullPath(file);
var downloadFileInfo = new DownloadFileInfo()
{
FileName = Path.GetFileName(file),
AddedTime = DateTime.Now.ToString(),
DownloadUrl = url,
FilePath = file
};
DownloadFileInfoList.Add(downloadFileInfo);
progress.ProgressChanged += (sender, downloadProgress) =>
{
downloadFileInfo.DownloadSpeed = downloadProgress.DownloadSpeed;
downloadFileInfo.FileSize = downloadProgress.FileSize;
downloadFileInfo.DownloadProcess = downloadProgress.DownloadProcess;
};
_ = DownloadFileListManager.WriteDownloadedFileListToFileAsync(DownloadFileInfoList.ToList());
var segmentFileDownloader = new SegmentFileDownloader(url, new FileInfo(file), logger, progress,
sharedArrayPool: SharedArrayPool, bufferLength: FileDownloaderSharedArrayPool.BufferLength);
CurrentSegmentFileDownloader = segmentFileDownloader;
await segmentFileDownloader.DownloadFileAsync();
// 下载完成逻辑
progress.Stop();
downloadFileInfo.DownloadSpeed = "";
downloadFileInfo.DownloadProcess = "完成";
downloadFileInfo.IsFinished = true;
_ = DownloadFileListManager.WriteDownloadedFileListToFileAsync(DownloadFileInfoList.ToList());
// 后续优化多任务下载的时候的回收
_ = Task.Delay(TimeSpan.FromSeconds(3))
.ContinueWith(_ => ((FileDownloaderSharedArrayPool)SharedArrayPool).Clean());
}
