private static async void _run(DownloadPackage package)
{
DownloadService ds = new DownloadService(package.Options);
ds.DownloadProgressChanged += OnDownloadProgressChanged;
ds.DownloadFileCompleted += OnDownloadFileCompleted;
await ds.DownloadFileAsync(package.Address.AbsoluteUri, package.FileName);
}
public Download(
DownloadPackage package,
DownloadConfiguration configuration)
{
downloadService = new DownloadService(configuration);
Package = package;
Status = DownloadStatus.Stopped;
}
public DownloadService(DownloadConfiguration options = null)
{
Package = new DownloadPackage {
Options = options ?? new DownloadConfiguration()
};
ServicePointManager.SecurityProtocol =
SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;
ServicePointManager.Expect100Continue = false; // accept the request for POST, PUT and PATCH verbs
ServicePointManager.DefaultConnectionLimit = 1000;
ServicePointManager.MaxServicePointIdleTime = 1000;
}
public DownloadService(DownloadConfiguration options = null)
{
Package = new DownloadPackage()
{
Options = options ?? new DownloadConfiguration()
};
ServicePointManager.Expect100Continue = false; // accept the request for POST, PUT and PATCH verbs
ServicePointManager.DefaultConnectionLimit = 100;
ServicePointManager.MaxServicePointIdleTime = 1000;
Cts = new CancellationTokenSource();
}
public async Task DownloadFileAsync(DownloadPackage package)
{
IsBusy = true;
Cts = new CancellationTokenSource();
Package = package;
Package.Options.Validate();
CheckSizes();
if (File.Exists(Package.FileName))
{
File.Delete(Package.FileName);
}
await StartDownload();
}
public async Task DownloadFileAsync(DownloadPackage package)
{
IsBusy = true;
Package = package;
if (Package.TotalFileSize <= 0)
{
throw new InvalidDataException("File size is invalid!");
}
if (File.Exists(Package.FileName))
{
File.Delete(Package.FileName);
}
await StartDownload();
}
public static string AddTask(string url, string name, string savePath = null, int threadCount = 4, int blockSize = 3)
{
MaxThread = threadCount;
DownloadConfiguration configuration = new DownloadConfiguration();
configuration.SaveDirectory = savePath ?? configuration.SaveDirectory;
configuration.ChunkCount = blockSize;
configuration.TempDirectory = "C:\\temp";
DownloadPackage package = new DownloadPackage
{
Options = configuration,
Address = new Uri(url),
FileName = name,
SaveDirectory = configuration.SaveDirectory
};
_downloadPackages.Add(package);
return(package.DId);
}
// ReSharper disable once MemberCanBePrivate.Global
public DownloadService()
{
_bandwidth = new Bandwidth();
Options = new DownloadConfiguration();
Package = new DownloadPackage();
// This property selects the version of the Secure Sockets Layer (SSL) or
// existing connections aren't changed.
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;
// Accept the request for POST, PUT and PATCH verbs
ServicePointManager.Expect100Continue = false;
// Note: Any changes to the DefaultConnectionLimit property affect both HTTP 1.0 and HTTP 1.1 connections.
// It is not possible to separately alter the connection limit for HTTP 1.0 and HTTP 1.1 protocols.
ServicePointManager.DefaultConnectionLimit = 1000;
// Set the maximum idle time of a ServicePoint instance to 10 seconds.
// After the idle time expires, the ServicePoint object is eligible for
// garbage collection and cannot be used by the ServicePointManager object.
ServicePointManager.MaxServicePointIdleTime = 10000;
}
public async Task DownloadFileAsync(DownloadPackage package)
{
Package = package;
InitialBegin(package.Address.OriginalString);
await StartDownload();
}
public static void UpdatePackage(string packageID, Action <DownloadPackage> actionpackage)
{
DownloadPackage _package = _downloadPackages.FirstOrDefault(a => a.DId == packageID);
actionpackage(_package);
}
public async Task DownloadFileAsync(DownloadPackage package)
{
Package = package;
InitialDownloader(package.Address.OriginalString);
await StartDownload().ConfigureAwait(false);
}
public static IDownload Build(DownloadPackage package, DownloadConfiguration downloadConfiguration)
{
return(new Download(package, downloadConfiguration));
}
public static IDownload Build(DownloadPackage package)
{
return(Build(package, new DownloadConfiguration()));
}
public async Task <Stream> DownloadFileTaskAsync(DownloadPackage package)
{
Package = package;
InitialDownloader(package.Address);
return(await StartDownload().ConfigureAwait(false));
}
