public void Start()
{
//reset last sent
_clientStateSingleton.LastSent = 0;
Task.Factory.StartNew(() =>
{
while (!_stop)
{
var localEp = new IPEndPoint(IPAddress.Any, _globalSettings.GetNetworkSetting(GlobalSettingsKeys.IL2IncomingUDP));
try
{
_il2UdpListener = new UdpClient(localEp);
break;
}
catch (Exception ex)
{
Logger.Warn(ex, $"Unable to bind to the IL2 Export Listener Socket Port: {localEp.Port}");
Thread.Sleep(500);
}
}
while (!_stop)
{
try
{
var groupEp = new IPEndPoint(IPAddress.Any, 0);
var bytes = _il2UdpListener.Receive(ref groupEp);
if (bytes.Length > 2)
{
var messages = IL2UDPMessage.Process(bytes);
//IL2 running
_clientStateSingleton.IL2ExportLastReceived = DateTime.Now.Ticks;
_clientStateSingleton.PlayerGameState.LastUpdate = DateTime.Now.Ticks;
foreach (var msg in messages)
{
Logger.Debug($"Recevied Message from IL2 {msg.ToString()}");
ProcessUDPMessage(msg);
}
}
}
catch (SocketException e)
{
// SocketException is raised when closing app/disconnecting, ignore so we don't log "irrelevant" exceptions
if (!_stop)
{
Logger.Error(e, "SocketException Handling IL2 Message");
}
}
catch (Exception e)
{
Logger.Error(e, "Exception Handling IL2 Message");
}
}
try
{
_il2UdpListener.Close();
}
catch (Exception e)
{
Logger.Error(e, "Exception stoping IL2 listener ");
}
});
}
public void ProcessUDPMessage(IL2UDPMessage message)
{
bool update = false;
var playerRadioInfo = _clientStateSingleton.PlayerGameState;
//copy and compare to look for changes
/**
* So ParentID - is an ID of another Client, who owns the vehicle which crew you're participating in now. For instance:
* Alan is riding his tank on the server. His ClientID is 12345. His ParentID=-1.
* Now Peter is joining Alan's crew as a gunner. He has his own ClientID=54321. But also he has ParentID=12345.
* Donald now joined Alan's crew too as radist. Hi has his own ClientID=34251. But also he has ParentID=12345.
* So if someone on Server has ParentID!=-1 but ParentID=12345 - this means that intercom channel started. And the commander of this intercom is another client with ClientID=12345.
*/
if (message is ClientDataMessage dataMessage)
{ //Just set the Client
update = playerRadioInfo.unitId != dataMessage.ClientID ||
!dataMessage.PlayerName.Equals(_clientStateSingleton.LastSeenName);
playerRadioInfo.unitId = dataMessage.ClientID;
Logger.Debug($"ClientID {dataMessage.ClientID}");
_clientStateSingleton.LastSeenName = dataMessage.PlayerName;
}
else if (message is ControlDataMessage controlDataMessage)
{
update = playerRadioInfo.vehicleId != controlDataMessage.ParentVehicleClientID || playerRadioInfo.coalition != controlDataMessage.Coalition;
Logger.Info($"Coalition Update {controlDataMessage.Coalition}");
Logger.Info($"ParentVehicleClientID {controlDataMessage.ParentVehicleClientID}");
if (controlDataMessage.Coalition == 0)
{
//WE SOMETIMES RECEIVE AND INCORRECT COALITION MESSAGE - Just kept it for now?>
// playerRadioInfo.vehicleId = controlDataMessage.ParentVehicleClientID;
// playerRadioInfo.coalition = controlDataMessage.Coalition;
Logger.Info($"Ignore Coalition Update for Spectator");
}
else
{
playerRadioInfo.vehicleId = controlDataMessage.ParentVehicleClientID;
playerRadioInfo.coalition = controlDataMessage.Coalition;
}
}
else if (message is SRSAddressMessage srs)
{
if (srs.SRSAddress.Length > 0)
{
//call on main
Application.Current.Dispatcher.Invoke(() => { MessageHub.Instance.Publish(srs); });
}
}
var diff = new TimeSpan(DateTime.Now.Ticks - _clientStateSingleton.LastSent);
if (update ||
_clientStateSingleton.LastSent < 1 ||
diff.TotalSeconds > RADIO_UPDATE_PING_INTERVAL)
{
Logger.Debug("Sending Radio Info To Server - Update");
_clientStateSingleton.LastSent = DateTime.Now.Ticks;
MessageHub.Instance.Publish(new PlayerStateUpdate());
}
}
