private async void ConnectDisconnect_Click(object sender, RoutedEventArgs e)
{
ConnectDisconnect.IsEnabled = false;
try
{
if (socket != null)
{
pingTimer.Dispose();
pingTimer = null;
// Close method is available for StreamSocket, but only callable from the WinRT implementation - NOT from C#
socket.Dispose();
socket = null;
State.Text = "Disconnected";
ConnectDisconnect.Content = "Connect";
}
else
if (!string.IsNullOrEmpty(ServerURI.Text))
{
socket = new StreamSocket();
controller = socket.Control;
controller.KeepAlive = true;
var netendpoint = new HostName(ServerURI.Text);
await socket.ConnectAsync(netendpoint, Port.Text);
State.Text = "Connected";
ConnectDisconnect.Content = "Disconnect";
pingTimer = new Timer(TimerMethod, this, 5000, 5000);
IAsyncAction asyncAction = Windows.System.Threading.ThreadPool.RunAsync(
async(workItem) =>
{
byte[] bob = new byte[200];
while (workItem.Status != AsyncStatus.Canceled)
{
await socket.InputStream.ReadAsync(bob.AsBuffer(), 200, InputStreamOptions.Partial);
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal,
() =>
{
State.Text = "Read " + bob[0];
});
}
});
}
}
catch (Exception exception)
{
State.Text = exception.Message;
}
finally
{
ConnectDisconnect.IsEnabled = true;
}
}
async private Task receiveFile(PeerInformation device)
{
started = true;
//-----------------------------------------------------------------------tworzenie socketu i strumieni
try
{
socket = new Windows.Networking.Sockets.StreamSocket();
StreamSocketControl control = socket.Control;
control.KeepAlive = true;
await socket.ConnectAsync(device.HostName,
"{00001101-0000-1000-8000-00805f9b34fb}",
SocketProtectionLevel.BluetoothEncryptionAllowNullAuthentication);
reader = new DataReader(socket.InputStream);
writer = new DataWriter(socket.OutputStream);
}
catch (Exception e)
{
disconnect();
System.Diagnostics.Debug.WriteLine(e.StackTrace);
popupDialog("Wystąpił błąd połączenia!\nPowrót");
return;
}
//-----------------------------------------------------------------------tworzenie nowego pliku
try
{
file = await Windows.Storage.KnownFolders.PicturesLibrary.CreateFileAsync(
fileName, CreationCollisionOption.GenerateUniqueName);
}
catch (Exception e)
{
disconnect();
System.Diagnostics.Debug.WriteLine(e.StackTrace);
popupDialog("Wystąpił błąd podczas tworzenia pliku!\nPowrót");
return;
}
//-----------------------------------------------------------------------strumien pliku
try
{
stream = await file.OpenAsync(FileAccessMode.ReadWrite);
}
catch (Exception e)
{
disconnect();
System.Diagnostics.Debug.WriteLine(e.StackTrace);
popupDialog("Wystąpił błąd dostępu do pliku!\nPowrót");
return;
}
long count = fileSize / bufferSize;
long rest = fileSize - (count * bufferSize);
uint bytesRead;
progress.Maximum = fileSize;
await System.Threading.Tasks.Task.Delay(50);
//-----------------------------------------------------------------------przesylanie danych
try
{
for (int i = 0; i < count; ++i)
{
bytesRead = await reader.LoadAsync(bufferSize);
buffer = reader.ReadBuffer(bytesRead);
await stream.WriteAsync(buffer);
progress.Value += (int)bytesRead;
writer.WriteBoolean(true);
await writer.StoreAsync();
}
if (rest != 0)
{
bytesRead = await reader.LoadAsync((uint)rest);
buffer = reader.ReadBuffer(bytesRead);
await stream.WriteAsync(buffer);
progress.Value += (int)bytesRead;
writer.WriteBoolean(true);
await writer.StoreAsync();
}
}
catch (Exception e)
{
deleteFile();
disconnect();
System.Diagnostics.Debug.WriteLine(e.StackTrace);
popupDialog("Wystąpił błąd podczas przesyłania danych!\nPowrót");
return;
}
disconnect();
popupDialog("Pobieranie zakończone!\nPowrót");
}
