public void StartListener()
{
_keepReading = true;
IsListening = false;
try
{
if (_listener != null)
_listener.Close();
_listener = new UdpClient(new IPEndPoint(IPAddress.Any, _listenPort));
}
catch (Exception exception)
{
var errorMessage = string.Format("Couldn't listen to Port {0}. Exception: {1}", _listenPort,
exception);
Console.WriteLine(errorMessage);
if (OnConnectionStateChanged != null)
{
var connectionStateMessage = new BleConnectionStateMessage
{
Receiver = _receiver,
ConnectionState = BleConnectionState.Disconnected,
Message = errorMessage
};
OnConnectionStateChanged(connectionStateMessage);
}
return;
}
IsListening = true;
if (OnConnectionStateChanged != null)
{
var connectionStateMessage = new BleConnectionStateMessage
{
Receiver = _receiver,
ConnectionState = BleConnectionState.Connected,
Message = string.Format("Listening to port {0}",_receiver.IncomingPort)
};
OnConnectionStateChanged(connectionStateMessage);
}
Task.Run(() => ListenerLoop());
}
public void StartListener()
{
_keepReading = true;
IsListening = false;
try
{
if (_listener != null)
{
_listener.Close();
}
_listener = new UdpClient(new IPEndPoint(IPAddress.Any, _listenPort));
}
catch (Exception exception)
{
var errorMessage = string.Format("Couldn't listen to Port {0}. Exception: {1}", _listenPort,
exception);
Console.WriteLine(errorMessage);
if (OnConnectionStateChanged != null)
{
var connectionStateMessage = new BleConnectionStateMessage
{
Receiver = _receiver,
ConnectionState = BleConnectionState.Disconnected,
Message = errorMessage
};
OnConnectionStateChanged(connectionStateMessage);
}
return;
}
IsListening = true;
if (OnConnectionStateChanged != null)
{
var connectionStateMessage = new BleConnectionStateMessage
{
Receiver = _receiver,
ConnectionState = BleConnectionState.Connected,
Message = string.Format("Listening to port {0}", _receiver.IncomingPort)
};
OnConnectionStateChanged(connectionStateMessage);
}
Task.Run(() => ListenerLoop());
}
public void Stop()
{
IsListening = false;
_keepReading = false;
if (_listener == null)
{
return;
}
_listener.Close();
if (OnConnectionStateChanged != null)
{
var connectionStateMessage = new BleConnectionStateMessage
{
Receiver = _receiver,
ConnectionState = BleConnectionState.Disconnected,
Message = string.Format("Stopped listening to port {0}", _receiver.IncomingPort)
};
OnConnectionStateChanged(connectionStateMessage);
}
}
private async Task ListenerLoop()
{
try
{
while (_keepReading)
{
//await Task.Delay(100);
//Console.WriteLine("Waiting for broadcast");
var bufferResult = await _listener.ReceiveAsync();
if (bufferResult.Buffer.IsNullOrEmpty())
{
continue;
}
var message = Encoding.ASCII.GetString(bufferResult.Buffer);
//Console.Write(
// message);
MessageParser.ProcessMessage(message);
}
}
catch (Exception exception)
{
var errorMessage = string.Format("Exception occured in ListenerLoop. Not listening to Port {0}. Exception: {1}", _listenPort,
exception);
Console.WriteLine(errorMessage);
if (OnConnectionStateChanged != null)
{
var connectionStateMessage = new BleConnectionStateMessage
{
Receiver = _receiver,
ConnectionState = BleConnectionState.Disconnected,
Message = errorMessage
};
OnConnectionStateChanged(connectionStateMessage);
}
}
}
private async Task ListenerLoop()
{
try
{
while (_keepReading)
{
//await Task.Delay(100);
//Console.WriteLine("Waiting for broadcast");
var bufferResult = await _listener.ReceiveAsync();
if (bufferResult.Buffer.IsNullOrEmpty())
continue;
var message = Encoding.ASCII.GetString(bufferResult.Buffer);
//Console.Write(
// message);
MessageParser.ProcessMessage(message);
}
}
catch (Exception exception)
{
var errorMessage = string.Format("Exception occured in ListenerLoop. Not listening to Port {0}. Exception: {1}", _listenPort,
exception);
Console.WriteLine(errorMessage);
if (OnConnectionStateChanged != null)
{
var connectionStateMessage = new BleConnectionStateMessage
{
Receiver = _receiver,
ConnectionState = BleConnectionState.Disconnected,
Message = errorMessage
};
OnConnectionStateChanged(connectionStateMessage);
}
}
}
public void Stop()
{
IsListening = false;
_keepReading = false;
if (_listener == null)
return;
_listener.Close();
if (OnConnectionStateChanged != null)
{
var connectionStateMessage = new BleConnectionStateMessage
{
Receiver = _receiver,
ConnectionState = BleConnectionState.Disconnected,
Message = string.Format("Stopped listening to port {0}", _receiver.IncomingPort)
};
OnConnectionStateChanged(connectionStateMessage);
}
}