private void ListenForClients()
{
while (!shouldStop)
{
try
{
byte[] buffer = new byte[Constants.DATAGRAM_DATA_SIZE];
EndPoint remoteEndPoint = (EndPoint) new IPEndPoint(IPAddress.Any, 0);
int bytesRead = socket.ReceiveFrom(buffer, ref remoteEndPoint);
byte[] data = new byte[bytesRead];
Array.Copy(sourceArray: buffer, destinationArray: data, length: bytesRead);
//we have the message and the address of the remote endpoint so pass it to anyone interested
UdpDataReceiveEventArgs args = new UdpDataReceiveEventArgs(data, (IPEndPoint)remoteEndPoint);
OnDataReceive(args);
}
catch (SocketException ex)
{
if (ex.SocketErrorCode != SocketError.TimedOut)
{
//if a socket error other than timeout occurs, pass the error to anyone interested - do not break the server loop!
UdpDataReceiveErrorEventArgs args = new UdpDataReceiveErrorEventArgs(ex);
OnDataReceiveError(args);
}
}
catch (Exception)
{
//close socket
if (socket != null)
{
socket.Close();
socket = null;
}
//and rethrow
throw;
}
Thread.Sleep(1);
}//while (!shouldStop)
if (socket != null)
{
socket.Close();
socket = null;
}
}
protected virtual void OnDataReceiveError(UdpDataReceiveErrorEventArgs e)
{
DataReceiveError?.Invoke(this, e);
}