private void HandleClientDisconnectedEvent(object sender, HelloPacket client)
{
Console.WriteLine($"Client {client.ToString()} has disconnected.");
Console.WriteLine($"Removing {client.ToString()} from HostList.");
if (HostList.ToArray().Length == 1)
{
SendCommandToClient(HostList[0], "CMD:Win");
GamePaused = true;
}
}
// This is the UDP listener which listens for the hello broadcast.
// It will then start a tcp client to reply to the server.
// TCP is required for the response to ensure connection.
// This is the UDP listener which listens for the hello broadcast.
private static void StartListener(HelloPacket serverInfo)
{
Console.WriteLine($"Creating UDP server listener {serverInfo.ToString()}");
//IPEndPoint listenEP = new IPEndPoint(IPAddress.Parse(clientInfo.address), listenPort);
//UdpClient listener = new UdpClient(listenEP);
//IPEndPoint groupEP = new IPEndPoint(IPAddress.Any, listenPort);
UdpClient server = new UdpClient(listenPort);
Message responseData = Utilities.Serialize(serverInfo);
try
{
while (true)
{
Console.WriteLine("UDP Waiting for broadcast");
// The groupEP gets the IP address needed for the RSVP
// So I could just send the port as a string, but what if some other program is using this port?
// Then with that an object may be best.
IPEndPoint clientEP = new IPEndPoint(IPAddress.Any, 0);
Message message = new Message();
message.data = server.Receive(ref clientEP);
HelloPacket receivedData = Utilities.Deserialize(message) as HelloPacket;
Console.WriteLine($"Received broadcast from {clientEP} :");
Console.WriteLine($" RSVP address {receivedData.ToString()}");
// Add client to the hostList
Console.WriteLine("Adding {0} to hostList", receivedData.ToString());
hostList.Add(receivedData);
// Send the server data to the client
Console.WriteLine("UDP Server sending response");
server.Send(responseData.data, responseData.data.Length, clientEP);
// Start TCP client (separate function I guess).
// StartTCPClient(clientInfo, serverData);
}
}
catch (SocketException e)
{
Console.WriteLine(e);
}
finally
{
server.Close();
}
}
// This is the UDP broadcast which will discover IP_Tato Servers on the network.
// Stuff will have to be done for subnetting
public static void StartBroadcast(HelloPacket thisHost)
{
// Thread BroadcastResponseListener = new Thread(() => StartTCPListener(thisHost));
// BroadcastResponseListener.Start();
// Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
// Console.WriteLine();
UdpClient Client = new UdpClient();
Message request = new Message();
request = Utilities.Serialize(thisHost);
IPEndPoint serverEP = new IPEndPoint(IPAddress.Any, 0);
Client.EnableBroadcast = true;
Client.Send(request.data, request.data.Length, new IPEndPoint(IPAddress.Broadcast, listenPort));
Console.WriteLine("Message sent to the broadcast address");
Message responseMessage = new Message(256);
// s.Receive(responseMessage.data);
responseMessage.data = Client.Receive(ref serverEP);
HelloPacket responseData = (HelloPacket)Utilities.Deserialize(responseMessage);
Console.WriteLine($"Received respone from {responseData.ToString()}");
Client.Close();
}
public void Start()
{
Console.WriteLine("Starting the UDP Broadcast at {0}", ClientInfo.ToString());
Thread UDPBroadcast = new Thread(() => JoinServer());
UDPBroadcast.Start();
Client client = new Client();
Thread ListenerThread = new Thread(() => StartListener());
ListenerThread.IsBackground = true;
ListenerThread.Start();
//Console.WriteLine("IP is {0}", ClientInfo.address);
//IPAddress localip = IPAddress.Parse((ClientInfo.address));
//Console.WriteLine("Starting a tcplistener at {0} using port {1}", localip, ClientInfo.port);
//TcpListener listener = new TcpListener(localip, ClientInfo.port);
//listener.Start();
//Console.WriteLine("Listener has started.");
//while (true)
//{
// if (listener.Pending())
// {
// Thread listenthread = new Thread(() => {
// DoBeginAcceptTcpClient(listener);
// });
// listenthread.Start();
// }
//}
}
private void HandleClientDisconnectedEvent(object sender, HelloPacket client)
{
Console.WriteLine($"This Client: {client.ToString()} has disconnected.");
// Send a message to the server informing them of the disconnection
// **** This will use the UDP broadcast
// **** the UDP server is still running on the server so why not send the info to it.
}
private void btn_Join_Click(object sender, RoutedEventArgs e)
{
// Start the network discovery
Console.WriteLine("Starting the UDP Broadcast at {0}", clientInfo.ToString());
Thread UDPBroadcast = new Thread(() => StartBroadcast(clientInfo));
UDPBroadcast.Start();
Client client = new Client();
Thread ListenerThread = new Thread(() => client.Start());
ListenerThread.Start();
}
private static void Test()
{
Console.WriteLine("\n\nTesting the Program:");
int udpClientNum = 2;
// Start up the server thread.
HelloPacket hello1 = new HelloPacket("server", "127.0.0.1", port);
Thread udpserver1 = new Thread(() => StartListener(hello1));
udpserver1.Start();
// Start up the UDP client threads
Thread[] clientThreadList = new Thread[listenerMaxNumber];
for (int x = 0; x < clientThreadList.Length; x++)
{
Console.WriteLine("Creating UDP Client {0}", x + 1);
HelloPacket clientInfo = new HelloPacket($"client {x + 1}", $"127.0.0.{udpClientNum}", port);
Console.WriteLine($"UDP Client Created: {clientInfo.ToString()}");
clientThreadList[x] = new Thread(() => StartBroadcast(clientInfo));
clientThreadList[x].IsBackground = true;
clientThreadList[x].Start();
Console.WriteLine("Creating TCP Client {0}", x + 1);
clientThreadList[x] = new Thread(() => CallListenerTest(clientInfo));
clientThreadList[x].IsBackground = true;
clientThreadList[x].Start();
udpClientNum++;
}
// Test the Client and Listener Threads
Console.WriteLine("Press any key to start the taters...");
Console.ReadKey();
Thread[] taterThreadList = new Thread[taterMaxNumber];
for (int x = 0; x < taterThreadList.Length; x++)
{
Console.WriteLine("Creating IP_Tato server {0}", x + 1);
IP_Tato tater = new IP_Tato("Tater #" + x, 5);
taterThreadList[x] = new Thread(() => ServerTest(tater));
taterThreadList[x].Start();
}
}
/*
* public static void TestClientandListenerThreads()
* {
* Console.WriteLine("\n\nTesting the Program:");
* // Test the Client and Listener Threads
*
* // Create Threadstarts to the methods.
* // ThreadStart listenerref = new ThreadStart(CallListenerTest);
* Console.WriteLine("In Main: Creating the Listener threads");
*
* Thread[] listenerThreadList = new Thread[listenerMaxNumber];
* for (int x = 0; x < listenerThreadList.Length; x++)
* {
* Console.WriteLine("Creating Listener {0}", x + 1);
* listenerThreadList[x] = new Thread(() => CallListenerTest()));
* listenerThreadList[x].IsBackground = true;
* listenerThreadList[x].Start();
* }
* Console.WriteLine("Press any key to continue...");
* Console.ReadKey();
*
* Thread[] serverThreadList = new Thread[taterMaxNumber];
* for (int x = 0; x < serverThreadList.Length; x++)
* {
* Console.WriteLine("Creating IP_Tato server {0}", x + 1);
* IP_Tato tater = new IP_Tato("Tater #" + x, 5);
* serverThreadList[x] = new Thread(() => ServerTest(tater));
* serverThreadList[x].Start();
* }
*
*
*
* // Create the listener thread.
* // Thread listenerThread = new Thread(listenerref);
* // This makes it so that the program never is stuck open waiting on the listener to shut down.
*
*
* // Keep going on the main thread.
*
* Console.WriteLine("\n\nMain Thread has concluded.\n\n");
*
* Console.ReadKey();
* }
*/
public static void TestUDPHello()
{
int udpClientNum = 2;
// Start up the server thread.
HelloPacket hello1 = new HelloPacket("server", "127.0.0.1", listenPort);
Thread udpserver1 = new Thread(() => StartListener(hello1));
udpserver1.Start();
// Start up the UDP client threads
Thread[] listenerThreadList = new Thread[listenerMaxNumber];
for (int x = 0; x < listenerThreadList.Length; x++)
{
Console.WriteLine("Creating UDP Client {0}", x + 1);
HelloPacket clientInfo = new HelloPacket($"client {x+1}", $"127.0.0.{udpClientNum}", listenPort);
Console.WriteLine($"UDP Client Created: {clientInfo.ToString()}");
listenerThreadList[x] = new Thread(() => StartBroadcast(clientInfo));
listenerThreadList[x].IsBackground = true;
listenerThreadList[x].Start();
udpClientNum++;
}
}
private void Application_Startup()
{
Console.WriteLine("Application Startup has been called.");
// TODO: add in a config screen which will update the client information.
// IP_Tato tater = new IP_Tato();
// ProcessPotato(tater);
HelloPacket clientInfo = new HelloPacket("client", Networking.getExternalIPE(), 13000);
// Start the network discovery
Console.WriteLine("Starting the UDP Broadcast at {0}", clientInfo.ToString());
Thread UDPBroadcast = new Thread(() => StartBroadcast(clientInfo));
UDPBroadcast.Start();
// Start the network listener.
Thread ListenerThread = new Thread(() => StartListener(clientInfo));
ListenerThread.Start();
// When the listener processes the correct request
// Create and show the popup.
}
private void SendCommandToClient(HelloPacket targetClient, string command)
{
UdpClient client = new UdpClient();
Message request = new Message();
request = Utilities.Serialize(command);
IPEndPoint serverEP = new IPEndPoint(IPAddress.Any, 0);
client.Send(request.data, request.data.Length, targetClient.EndPoint());
Console.WriteLine($"Command {command} sent to the client: {targetClient.ToString()}");
Message responseMessage = new Message(256);
// s.Receive(responseMessage.data);
responseMessage.data = client.Receive(ref serverEP);
object responseData = Utilities.Deserialize(responseMessage);
Console.WriteLine($"Received respone from {responseData.ToString()}");
client.Close();
}
private void SendUDPToServer(string command)
{
UdpClient client = new UdpClient(ClientInfo.EndPoint());
Message request = new Message();
request = Utilities.Serialize(command);
IPEndPoint clientEP = new IPEndPoint(IPAddress.Any, 0);
client.Send(request.data, request.data.Length, ServerInfo.EndPoint());
Console.WriteLine($"Command {command} sent to the server: {ServerInfo.ToString()}");
Message responseMessage = new Message(256);
// s.Receive(responseMessage.data);
responseMessage.data = client.Receive(ref clientEP);
object responseData = Utilities.Deserialize(responseMessage);
Console.WriteLine($"Received respone from {responseData.ToString()}");
client.Close();
}
/// <summary>
/// This will be the way that clients are added to the current group.
/// Games can be hosted as open or closed. (closed will keep new players from joining)
/// Closed will be the default.
///
/// Returns a reference to the Listener
/// </summary>
private void ClientDiscover()
{
// UDP listener logic
Console.WriteLine($"Creating UDP server listener {HostInformation.ToString()}");
Message responseData = Utilities.Serialize(HostInformation);
try
{
// Stop listening when the game starts (in closed mode).
while (!ClosedGame)
{
Console.WriteLine("UDP Waiting for broadcast");
IPEndPoint clientEP = new IPEndPoint(IPAddress.Any, 0);
Message message = new Message();
message.data = server.Receive(ref clientEP);
if (!ClosedGame)
{
object receivedData = Utilities.Deserialize(message);
if (receivedData is HelloPacket)
{
// Add new client to Lists
HelloPacket newClient = receivedData as HelloPacket;
this.OnRaiseClientJoinedEvent(newClient);
}
if (receivedData is string)
{
switch (receivedData as string)
{
case "RESPONSE:Disconnect":
OnRaiseClientDisconnectedEvent(HostList.Find(HelloPacket => HelloPacket.EndPoint() == clientEP));
break;
}
}
Console.WriteLine($"Received broadcast from {clientEP} :");
Console.WriteLine($" RSVP address {receivedData.ToString()}");
// Add the client EndPoint to the ClientList
Console.WriteLine($"{clientEP} added to the clientlist");
ClientList.Add(clientEP);
// Send the server data to the client
Console.WriteLine("UDP Server sending response");
server.Send(responseData.data, responseData.data.Length, clientEP);
}
}
}
catch (SocketException e)
{
Console.WriteLine(e);
}
catch (ThreadAbortException e)
{
Console.WriteLine("Thread Aborted: {0}", e);
Console.WriteLine("Disposing of UDP server");
}
finally
{
server.Close();
}
}
private void HandleClientJoinedEvent(object sender, HelloPacket client)
{
Console.WriteLine($"Adding {client.ToString()} to HostList.");
HostList.Add(client);
}