/* Receives packets and raises events continuously on a thread */
private void ThreadRoutine()
{
/* Sets up UDP connection objects */
UdpClient client = new UdpClient(port);
IPEndPoint ep = new IPEndPoint(IPAddress.Parse(ip), port);
client.Client.ReceiveTimeout = timeout;
/* Loops until broken by the isRunning flag */
while (true)
{
/* Break if isRunning is false */
flagMtx.WaitOne();
if (!isRunning)
{
flagMtx.ReleaseMutex(); break;
}
else
{
flagMtx.ReleaseMutex();
}
byte[] data;
/* Try to get data from the socket and restart the loop on timeout */
try { data = client.Receive(ref ep); }
catch (SocketException e) { continue; }
/* Restart the loop if the packet is invalid */
if (!IsValidPacketData(ref data))
{
continue;
}
/* Create arguments object for triggering event */
F117ReceivedEventArgs args = new F117ReceivedEventArgs(ParsePacket(ref data));
/* Raise event */
RaisePacketReceived(args);
}
client.Close();
}
/* Runs when triggered by an F117Reader object */
private void OnPacketReceived(object sender, F117ReceivedEventArgs args)
{
UDPPacket packet = args.packet;
dataMtx.WaitOne();
maxRpm = (int)packet.m_max_rpm;
dataMtx.ReleaseMutex();
PositionEventArgs newPos = new PositionEventArgs();
newPos.x = packet.m_x;
newPos.y = packet.m_y;
newPos.z = packet.m_z;
GForceEventArgs newGs = new GForceEventArgs();
newGs.lat = packet.m_gforce_lat;
newGs.lon = packet.m_gforce_lon;
PowertrainEventArgs newPow = new PowertrainEventArgs();
newPow.rpm = (int)packet.m_engineRate;
newPow.kmh = packet.m_speed * 3.6f;
newPow.mph = packet.m_speed * 2.23694f;
AxesEventArgs newAxes = new AxesEventArgs();
newAxes.throttle = packet.m_throttle;
newAxes.brake = packet.m_brake;
newAxes.clutch = packet.m_clutch;
newAxes.steering = packet.m_steer * -1.0f;
RaisePositionReceived(newPos);
RaiseGForceReceived(newGs);
RaisePowertrainReceived(newPow);
RaiseAxesReceived(newAxes);
}
/* Raises a PacketReceivedEvent if someone has subscribed to it */
private void RaisePacketReceived(F117ReceivedEventArgs args)
{
PacketReceivedEvent?.Invoke(this, args);
}