//---------------------------------------
// SEND
//---------------------------------------
public static void SendCallbackUDP(IAsyncResult ar)
{
//Get a state from the AR
UdpState stateUdp = ((UdpState)(ar.AsyncState));
Socket sock = stateUdp.workingSocket;
Console.WriteLine(stateUdp.endPoint.Address);
int byteSent = sock.EndSendTo(ar);
}
public static void ReceiveMessagesUDP(Socket udpSocket)
{
EndPoint ePoint = new IPEndPoint(IPAddress.Any, 0);
UdpClient uClient = new UdpClient((IPEndPoint)ePoint);
UdpState stateUdp = new UdpState();
stateUdp.endPoint = (IPEndPoint)ePoint;
stateUdp.udpClient = uClient;
stateUdp.workingSocket = udpSocket;
Console.WriteLine("Listening for messages udp");
//EndPoint ep = new EndPoint();
udpSocket.BeginReceiveFrom(stateUdp.buffer, 0, stateUdp.bufferSize, 0, ref ePoint, new AsyncCallback(ReceiveCallbackUDP), stateUdp);
}
//---------------------------------------
// RECEIVE
//---------------------------------------
public static void ReceiveCallbackUDP(IAsyncResult ar)
{
//Start receiving
Console.WriteLine("Receiving UDP...");
//Get a state from the AR
UdpState stateUdp = ((UdpState)(ar.AsyncState));
//Get main parametres
UdpClient uClient = stateUdp.udpClient;
Socket sock = stateUdp.workingSocket;
//Issue?
EndPoint ePoint = stateUdp.endPoint;
//EndPoint ePoint = sock.RemoteEndPoint;
//Read data into a buffer
int receiveBytes = sock.EndReceiveFrom(ar, ref ePoint);
stateUdp.endPoint = (IPEndPoint)ePoint;
string receiveString = Encoding.ASCII.GetString(((UdpState)ar.AsyncState).buffer);
Console.WriteLine("UDP received: {0}", receiveString);
//Clear buffer
((UdpState)ar.AsyncState).buffer = new byte[1024];
//Produce content and handle
MessageUDP msg = new MessageUDP();
msg.sock = sock;
msg.body = receiveString;
msg.endPoint = stateUdp.endPoint;
producerConsumerUDP.produce(msg);
// Begin receive
sock.BeginReceiveFrom(stateUdp.buffer, 0, stateUdp.bufferSize, 0, ref ePoint, new AsyncCallback(ReceiveCallbackUDP), stateUdp);
}
//SEND TO SESSION MATES
public static void SendUDP(String msg, int session)
{
byte[] byteData = Encoding.ASCII.GetBytes(msg);
//Test
foreach (Client entry in clientDictionary.Values)
{
if (entry.raceId != -1 && entry.sessionID == session)
{
UdpState stateUdp = new UdpState();
stateUdp.workingSocket = entry.udpSocket;
stateUdp.endPoint = entry.endPoint;
Console.WriteLine("Sending UDP to " + entry.raceId);
if (stateUdp != null)
{
entry.udpSocket.BeginSendTo(byteData, 0, byteData.Length, 0, entry.endPoint, new AsyncCallback(SendCallbackUDP), stateUdp);
}
}
}
}
