private void periodicMessageCheck(object obj, EventArgs evt)
{
//Recieve messages from server
msg = tcp.receiveMessage();
switch (msg.msgID)
{
case 0:
//0 byte messages
break;
case 2: //re-instantiate array of conected clients
decoder.resetConnectedClients(msg);
Console.WriteLine("Waiting for players");
break;
case 3: //wait for incoming list of connected clients
decoder.getPlayers(msg);
updateAvailableClients();
Console.WriteLine("Player recieved: " + ConnectedClients.Last().Alias);
break;
case 5: //display message accept/decline invitation
Console.WriteLine("Recieved invitation");
decoder.invitationAcceptReject(msg);
break;
case 7: //start game on client
decoder.startGameSession(msg);
break;
}
}
public Messages.MESSAGE DeSerialize(byte[] received)
{
IntPtr ip = Marshal.AllocHGlobal(received.Length); //allocate unmanaged memory
Marshal.Copy(received, 0, ip, received.Length); //copy the byte[] to the unmanaged memory
Messages.MESSAGE structure = (Messages.MESSAGE)Marshal.PtrToStructure(ip, typeof(Messages.MESSAGE)); //Marshal the unmanaged memory contents to the Message_PDU structure
Marshal.FreeHGlobal(ip); //free unmanaged memory
return(structure);
}
//check for recieved messages
private void recMessages(object obj, EventArgs evt)
{
msg = TCP.receiveMessage();
switch (msg.msgID)
{
case 8:
panel_tableLayout.Enabled = turn;
turnTimer.Start();
break;
}
}
public MainScreen(Client client)
{
InitializeComponent();
this.myDetails = client;
lb_welcome.Text = "Welcome " + client.Alias;
msg = new Messages.MESSAGE();
Network._IP = "192.168.56.1";
Network._ConnPort = client.ConnectionPort;
tcp = Network.getNetwork();
ConnectedClients = new List <Client>();
decoder = new Messages(ConnectedClients);
decoder.MainScreen = this;
tcp.connectToServer();
decoder.initialiseClient(client);
//timer set up
timer = new Timer();
timer.Tick += new EventHandler(periodicMessageCheck);
timer.Interval = 100;
timer.Enabled = true;
this.FormClosed += new FormClosedEventHandler(MainClosed);
}
public Messages.MESSAGE receiveMessage()
{
Messages.MESSAGE msg = new Messages.MESSAGE();
try
{
byte[] recBuffer = new byte[1024]; //Initialise Buffer for recived messages
int recByteCount;
recByteCount = tcp_Socket.Receive(recBuffer, SocketFlags.None);
byte[] data = new byte[recByteCount];
Array.Copy(recBuffer, data, recByteCount);
if (recByteCount > 0)
{
return(msg = DeSerialize(data));
}
else
{
msg.msgID = 0;
}
}
catch (SocketException se) // Handle socket-related exception
{ // If an exception occurs, display an error message
if (10053 == se.ErrorCode || 10054 == se.ErrorCode) // Remote end closed the connection
{
closeConnection();
}
else if (10035 != se.ErrorCode)
{ // Ignore error messages relating to normal behaviour of non-blocking sockets
Console.Write(se.Message);
}
}
catch // Silently handle any other exception
{
Console.WriteLine("Server Lost");
}
return(msg);
}
private void MainClosed(object obj, EventArgs evt)
{
Messages.MESSAGE m = new Messages.MESSAGE();
m.msgID = -1;
tcp.sendMessage(msg);
}
public void sendMessage(Messages.MESSAGE msg)
{
byte[] byteData = Serialize(msg);
tcp_Socket.Send(byteData, SocketFlags.None);
}