private async Task _ReceiveAsync()
{
await Task.Run(async() =>
{
bool error = false;
while (true)
{
try
{
if (TcpClient.Available > 0)
{
byte[] buffer = new byte[TcpClient.Available];
var size = await NetworkStream.ReadAsync(buffer, 0, TcpClient.Available);
Device.BeginInvokeOnMainThread(() =>
{
MessageReceived?.Invoke(this, buffer);
TranspondCharacteristicWrapper.Value = buffer;
TranspondCharacteristicWrapper.NotifyAll();
});
}
}
catch (Exception exception)
{
Debug.WriteLine(exception.Message);
error = true;
break;
}
}
if (error)
{
State = TcpConnState.Error;
StateChanged?.Invoke(this, State);
}
});
}
public TcpTranspondServiceWrapper(IBluetoothManager bluetoothManager)
{
BluetoothManager = bluetoothManager;
TranspondCharacteristicWrapper = new TranspondCharacteristicWrapper(bluetoothManager);
IGattServiceBuilder builder = bluetoothManager.NewGattServiceBuilder();
GattServerService = builder.SetUuid(Uuid)
.AddCharacteristics(TranspondCharacteristicWrapper.GattServerCharacteristic)
.Build();
TranspondCharacteristicWrapper.GattServerCharacteristic.OnRead += GattServerCharacteristic_OnRead;
TranspondCharacteristicWrapper.GattServerCharacteristic.OnWrite += GattServerCharacteristic_OnWrite;
State = TcpConnState.Created;
TcpClient = new TcpClient();
}