async void OnConnectionReceived(StreamSocketListener listener, StreamSocketListenerConnectionReceivedEventArgs args)
{
try
{
Debug.WriteLine("Received.");
provider.StopAdvertising();
await listener.CancelIOAsync();
StreamSocket socket = args.Socket;
Debug.WriteLine("Start connection.");
var input_stream = socket.InputStream;
while (true)
{
Windows.Storage.Streams.Buffer buffer = new Windows.Storage.Streams.Buffer(1024);
var n = await input_stream.ReadAsync(buffer, buffer.Capacity, Windows.Storage.Streams.InputStreamOptions.Partial);
byte[] bytes = buffer.ToArray();
String text = System.Text.Encoding.UTF8.GetString(bytes, 0, (int)n.Length);
Debug.WriteLine($"Received: {text}");
ShowNotification("app_name", "title", text);
}
}
catch (Exception error)
{
Debug.WriteLine(error.ToString());
}
}
async void OnConnectionReceived(StreamSocketListener listener, StreamSocketListenerConnectionReceivedEventArgs args)
{
try
{
Log("Accepted.");
provider.StopAdvertising();
await listener.CancelIOAsync();
StreamSocket socket = args.Socket;
Log("Start connection.");
var input_stream = socket.InputStream;
while (true)
{
Windows.Storage.Streams.Buffer buffer = new Windows.Storage.Streams.Buffer(1024);
var n = await input_stream.ReadAsync(buffer, buffer.Capacity, Windows.Storage.Streams.InputStreamOptions.Partial);
byte[] bytes = buffer.ToArray();
String text = System.Text.Encoding.UTF8.GetString(bytes, 0, (int)n.Length);
Log($"Received: {text}");
var notificationData = JsonConvert.DeserializeObject <NotificationData>(text);
ShowNotification(notificationData.app_name, notificationData.title, notificationData.content);
}
}
catch (Exception error)
{
Log(error.ToString());
}
}
public async Task <byte[]> ReadAsync()
{
var buffer = new Windows.Storage.Streams.Buffer(1024);
var bytesRead = await this.serialDevice.InputStream.ReadAsync(buffer, buffer.Capacity, Windows.Storage.Streams.InputStreamOptions.None);
return(buffer.ToArray());
}
public static IAsyncOperation <TetheringState> SendBluetooth(DeviceInformation dev, TetheringState state)
{
return(AsyncInfo.Run(async(cancel) =>
{
for (var tryout = 10; tryout > 0; tryout--)
{
try
{
var selector = RfcommDeviceService.GetDeviceSelector(RfcommServiceId.FromUuid(ServiceUuid));
var devices = await DeviceInformation.FindAllAsync(selector);
var service = devices.SingleOrDefault(d => d.Id.StartsWith(dev.Id, StringComparison.OrdinalIgnoreCase));
if (service == null)
{
throw new Exception("Tethermote Service not found");
}
using (var socket = await ConnectDevice(service))
{
using (var outstream = socket.OutputStream)
{
await outstream.WriteAsync(new byte[] { (byte)state }.AsBuffer());
}
using (var instream = socket.InputStream)
{
var buf = new Windows.Storage.Streams.Buffer(1);
var red = (await instream.ReadAsync(buf, 1, Windows.Storage.Streams.InputStreamOptions.Partial)).Length;
if (red == 1)
{
return (TetheringState)buf.ToArray()[0];
}
Debug.WriteLine("No data");
}
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
try
{
await PingDevice(dev.Id);
}
catch (Exception e2)
{
Debug.WriteLine(e2);
}
if (tryout != 1)
{
await Task.Delay(100);
}
}
}
return TetheringState.Error;
}));
}
private async Task Receive()
{
while (true)
{
IBuffer inbuffer = new Windows.Storage.Streams.Buffer(4);
await _socket.InputStream.ReadAsync(inbuffer, 4, InputStreamOptions.None);
int command = BitConverter.ToInt32(inbuffer.ToArray(), 0);
//The inbuffer at this point contains: "\u0001\0\0\0", and the BitConverter resolves this to 1
inbuffer = new Windows.Storage.Streams.Buffer(4);
await _socket.InputStream.ReadAsync(inbuffer, 4, InputStreamOptions.None);
int length = BitConverter.ToInt32(inbuffer.ToArray(), 0);
//The inbuffer now contains: "2\0\0\0", and the BitConverter resolves this to "50"
inbuffer = new Windows.Storage.Streams.Buffer((uint)length);
await _socket.InputStream.ReadAsync(inbuffer, (uint)length, InputStreamOptions.Partial);
string path = Encoding.UTF8.GetString(inbuffer.ToArray());
}
}