static async Task Main(string[] args)
{
await(await Parser.Default.ParseArguments <DownloadOption>(args).WithParsedAsync(DownloadFileAsync)).WithNotParsedAsync(
async _ =>
{
#if DEBUG
var loggerFactory = LoggerFactory.Create(builder => { builder.AddConsole(); });
var logger = loggerFactory.CreateLogger <SegmentFileDownloader>();
// https://www.speedtest.cn/
var url =
"https://speedtest1.gd.chinamobile.com.prod.hosts.ooklaserver.net:8080/download?size=25000000&r=0.2978374611691549";
url =
"https://download.jetbrains.8686c.com/resharper/ReSharperUltimate.2020.1.3/JetBrains.ReSharperUltimate.2020.1.3.exe";
//var md5 = "7d6bbeb6617a7c0b7e615098fca1b167";// resharper
var file = new FileInfo(@"File.txt");
var progress = new Progress <DownloadProgress>();
var segmentFileDownloader = new SegmentFileDownloader(url, file, logger, progress);
await segmentFileDownloader.DownloadFile();
#endif
await Task.Delay(100);
});
}
public async Task LoadAsync(string url, int threadCount)
{
try
{
string StrFileName = DownPath + name; //根据实际情况设置
var file = new FileInfo(StrFileName);
var progress = new Progress <DownloadProgress>();
progress.ProgressChanged += (sender, p) =>
{
lock (obj)
{
var downloadProgress = p;
downCount++;
}
};
var segmentFileDownloader = new SegmentFileDownloader(url, file, progress);
await segmentFileDownloader.DownloadFile();
}
catch (Exception)
{
throw;
}
finally
{
threadCount--;
}
}
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());
}
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();
}
}
