private void worker_DoWork(object sender, DoWorkEventArgs e)
{
DownloadProduct downloadProduct = (DownloadProduct)e.Argument;
var worker = sender as BackgroundWorker;
worker.ReportProgress(0, String.Format("Processing Iteration 1"));
DownloadServiceClient download = new DownloadServiceClient("NetTcpBinding_IDownloadService");
long DownloadSize;
using (FileStream outputStream = new FileStream($@"{downloadProduct.path}.zip", FileMode.OpenOrCreate, FileAccess.Write))
{
if (File.Exists($@"{downloadProduct.path}.zip"))
{
FileInfo file = new FileInfo($@"{downloadProduct.path}.zip");
DownloadSize = file.Length;
outputStream.Position = DownloadSize;
}
else
{
DownloadSize = 0;
}
long FileSize = download.GetFileSize(downloadProduct.idGame);
const int bufferSize = 16 * 1024;
byte[] buffer = new byte[bufferSize];
using (Stream stream = download.DownloadProduct(downloadProduct.idGame, downloadProduct.idUser, downloadProduct.path, DownloadSize))
{
int bytesRead = stream.Read(buffer, 0, bufferSize);
while (bytesRead > 0)
{
FileInfo file = new FileInfo($@"{downloadProduct.path}.zip");
DownloadSize = file.Length;
worker.ReportProgress(Convert.ToInt32((double)DownloadSize / (double)FileSize * (double)100), String.Format("Загружено {0} %", Convert.ToInt32((double)DownloadSize / (double)FileSize * (double)100)));
outputStream.Write(buffer, 0, bytesRead);
bytesRead = stream.Read(buffer, 0, bufferSize);
outputStream.Flush();
}
outputStream.Close();
worker.ReportProgress(100);
}
}
ZipFile.ExtractToDirectory($@"{downloadProduct.path}.zip", downloadProduct.path);
File.Delete($@"{downloadProduct.path}.zip");
download.Close();
}
private async void btn_download_Click(object sender, RoutedEventArgs e)
{
if (selectedFile != null)
{
/*
* MessageBox.Show("Thông tin file đang được chọn để tải:\n " +
* "\n- File Server IP: " + selectedFileServerIP +
* "\n- File server Port: " + selectedFileServerPort +
* "\n- File info:" +
* selectedFile.ID.ToString() + ", " +
* selectedFile.Name + ", " +
* selectedFile.Size + ", " +
* selectedFile.Path + ", " +
* selectedFile.Type + "," +
* selectedFile.MD5);
*/
dsc = new DownloadServiceClient(selectedFileServerIP, selectedFileServerPort);
LabelDownloadStatus.Content = $"Downloading: {selectedFile.Name}";
byte[] receivedData = await dsc.BeginFileReceiver(selectedFile.Path, selectedFile.Size);
LabelDownloadStatus.Content = "Computing hashsum";
MD5 md5 = MD5.Create();
string checksum = BitConverter.ToString(md5.ComputeHash(receivedData)).Replace("-", string.Empty);
if (checksum.Equals(selectedFile.MD5))
{
LabelDownloadStatus.Content = "Saving";
SaveFileDialog dialog = new SaveFileDialog();
if (dialog.ShowDialog() == true)
{
File.WriteAllBytes(dialog.FileName, receivedData);
LabelDownloadStatus.Content = "File saved";
}
else
{
LabelDownloadStatus.Content = "Download canceled";
}
}
else
{
LabelDownloadStatus.Content = "Checksum failed, please try again";
}
}
}
