public static void Start()
{
// Start the network discovery server.
HelloPacket hello = new HelloPacket("server", Networking.getExternalIPE(), port);
Thread udpserver = new Thread(() => StartListener(hello));
udpserver.Start();
Console.WriteLine("Length of Hostlist: {0}", hostList.ToArray().Length);
Console.WriteLine("Press any key to start the server");
Console.ReadKey();
// Start the Tcp Server and send the first tater
// IP_Tato tater = new IP_Tato("Tater #1", 5);
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();
}
// Thread tcpserver = new Thread(() => ServerTest(tater));
// tcpserver.Start();
}
private void btn_TestTater(object sender, RoutedEventArgs e)
{
IP_Tato tater = new IP_Tato();
tater.Explode();
Task showDialogBox = Task.Run(() => {
// This will update the GUI with the results of the tater
EventWaitHandle ewh = new EventWaitHandle(false, EventResetMode.ManualReset);
Application app = Application.Current;
app.Dispatcher.Invoke((Action) delegate {
Game_Popup game_Popup = new Game_Popup(tater);
// Try to update GUI from this thread.
// The ShowDialog is the perfect function for this.
// It blocks until the window is closed which is all I needed it to do.
game_Popup.Show();
// If I can Wait outside of this dispatcher, then it should be best
game_Popup.Closing += (object send, System.ComponentModel.CancelEventArgs eargs) => { ewh.Set(); };
});
// Event Listener
ewh.WaitOne();
// Timeout check
// Return whether the potato was requested to be passed.
return(true);
});
Console.WriteLine("The Popup has completed its task.");
}
public Game_Popup(IP_Tato tater)
{
InitializeComponent();
this.DataContext = this;
string Popup_Title = $"IP_Tato - {tater.TargetClient.hostname}";
this.Title = Popup_Title;
string whoSentText = $"{tater.LastClient.hostname} has sent you a Hot IP_Tato";
Binding bind_WhoSentTater = new Binding();
bind_WhoSentTater.Source = whoSentText;
txtWhoSentTater.SetBinding(TextBlock.TextProperty, bind_WhoSentTater);
if (tater.Exploded)
{
Binding bind_imgPotato = new Binding();
bind_imgPotato.Source = "img/exploded-potato-edit.jpg";
imgPotato.SetBinding(Image.SourceProperty, bind_imgPotato);
string bind_btnPassPotato = "Darn";
Binding btnPassPotatoBinding = new Binding();
btnPassPotatoBinding.Source = bind_btnPassPotato;
btnPassPotato.SetBinding(Button.ContentProperty, btnPassPotatoBinding);
}
// Push the popup to the front.
this.Topmost = true;
}
public void Add_IP_Tato()
{
int numberOfClients = HostList.ToArray().Length;
IP_Tato tater = new IP_Tato("Tater #" + IP_TatoID++, Utilities.RandomInteger(numberOfClients, numberOfClients * 2));
Thread newTaterThread = new Thread(() => IP_TatoHandler(tater));
newTaterThread.IsBackground = true;
newTaterThread.Start();
IP_TatoThreads.Add(newTaterThread);
}
private static object ProcessPotato(object obj)
{
// Some of these commands should be placed in the potato object
// Because they then can be protected
// Create IP_Tato
IP_Tato tater = obj as IP_Tato;
// Add the current host to the holderHistory
// This is done on the client side for pessimism's sake
// tater.AddCurrentHostToHolderHistory();
// Instead set the previous client to self
tater.LastClient = tater.TargetClient;
// Pseudocode
// Check Flags of tater
// Do stuff according to the flags on tater
// Flags are stored as bools and should be assigned by
// * names rather than position.
// Flag Precedence is a thing a potato should explode before other things happen.
// Print last player that tater was passed from
// "$player passed a potato to you"
// Check if number of passes is done.
// Greater than used to catch too many passes.
if (tater.Passes == 0)
{
tater.Explode();
}
// This will update the GUI with the results of the tater
Application app = Application.Current;
if (app == null)
{
Main();
app = Current;
}
app.Dispatcher.Invoke((Action) delegate {
// Try to update GUI from this thread.
Game_Popup game_Popup = new Game_Popup(tater);
// The ShowDialog is the perfect function for this.
// It blocks until the window is closed which is all I needed it to do.
game_Popup.ShowDialog();
});
// Increment current passes
// This is done at the end in case of an involuntary host disconnect
tater.Passes--;
return(tater as object);
}
private HelloPacket RouteIP_Tato(IP_Tato tater)
{
// TODO add different routing techniques
int rolls = 0;
HelloPacket[] hostArray = HostList.ToArray();
do
{
int index = Utilities.RandomInteger(0, hostArray.Length);
tater.TargetClient = hostArray[index];
rolls++;
}while (tater.TargetClient.address == tater.LastClient.address);
Console.WriteLine("Previous Client: {0}", tater.LastClient.address);
Console.WriteLine("New targetClient {0} chosen after {1} roll(s)", tater.TargetClient, rolls);
return(tater.TargetClient);
}
/// <summary>
/// This is meant to Manage the IP_Tato either as an object that can be returned
/// Or just a function to take care of the logic of the potato.
/// </summary>
/// <param name="tater"></param>
private void IP_TatoHandler(IP_Tato tater)
{
//TODO: Finish translating what is in PassDataToClient into this function.
tater.LastClient = HostInformation;
while (tater.Passes > 0)
{
// Select the target client
tater.TargetClient = RouteIP_Tato(tater);
Console.WriteLine("The new targetClient is: {0}", tater.TargetClient);
// Set up the target address
IPEndPoint targetClient = tater.TargetClient.EndPoint();
// Pass data to be sent to client
// This function returns the response data from the client.
object responseObject = PassDataToClient(tater, targetClient);
if (responseObject is IP_Tato)
{
// Do stuff with the tater (probably reroute)
tater = responseObject as IP_Tato;
if (tater.Exploded)
{
Console.WriteLine("Tater has exploded \n removing client from Hostlist.");
this.KickPlayer(tater.TargetClient);
//OnRaiseClientDisconnectedEvent(tater.TargetClient);
}
}
else if (responseObject is string)
{
switch ((string)responseObject)
{
case "CMD:Disconnect":
this.KickPlayer(tater.TargetClient);
break;
case "RESPONSE:Disconnect":
OnRaiseClientDisconnectedEvent(tater.TargetClient);
break;
}
// Right now the only string that will be returned is that the client refused the tater.
}
// Verify the current state is correct
Console.WriteLine("Server received: {0}", tater.ToString());
}
}
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 TestTater()
{
// Test IP_Tato Object
Console.WriteLine("Test the IP_Tato");
IP_Tato tater = new IP_Tato("Tater", 5);
Console.WriteLine("Hot IP_Tato Object:");
Console.WriteLine(tater.ToString());
// Test the methods within the tater
// tater.TestMethods();
// Serialization Test
Console.WriteLine("Testing Serialization and Deserialization.");
Message serializedTater = Utilities.Serialize(tater);
Console.WriteLine("Serialized Tater: {0}", serializedTater);
Console.WriteLine("Size of the serialized object: {0} bytes", serializedTater.data.Length);
IP_Tato newTater = new IP_Tato();
newTater = (IP_Tato)Utilities.Deserialize(serializedTater);
Console.WriteLine("Deserialized Tater: {0}", newTater.ToString());
}
private static object ProcessPotato(object obj)
{
// Some of these commands should be placed in the potato object
// Because they then can be protected
// Create IP_Tato
IP_Tato tater = obj as IP_Tato;
// Increment current passes
tater.Passes--;
// Add the current host to the holderHistory
// This is done on the client side for pessimism's sake
// tater.AddCurrentHostToHolderHistory();
// Instead set the previous client to self
tater.LastClient = tater.TargetClient;
// Pseudocode
// Check Flags of tater
// Do stuff according to the flags on tater
// Flags are stored as bools and should be assigned by
// * names rather than position.
// Flag Precedence is a thing a potato should explode before other things happen.
// Print last player that tater was passed from
// "$player passed a potato to you"
// Check if number of passes is done.
// Greater than used to catch too many passes.
if (tater.Passes == 0)
{
tater.Explode();
}
return(tater as object);
}
// This listener will basically function as the client for most intents and purposes.
public static void CallListenerTest(HelloPacket clientInfo)
{
TcpListener listener = null;
try
{
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);
listener = new TcpListener(localip, clientInfo.port);
listener.Start();
Console.WriteLine("Listener has started.");
// Create Buffer
byte[] buffer = new byte[buffersize];
while (true)
{
// Add an extra space to help distinguish between each server transaction.
Console.WriteLine();
Console.WriteLine("Client wating for a connection... ");
// Accept a pending connection
TcpClient client = listener.AcceptTcpClient();
Console.WriteLine("Connected!");
// Instantiate the stream
NetworkStream stream = client.GetStream();
// While there is data to be read
// TODO: Implement the ability to read more data with a smaller buffer.
while ((stream.Read(buffer, 0, buffer.Length)) != 0)
{
try
{
// Instantiate a Message object to hold the incoming object
Message incomingMessage = new Message();
// Assign the data which has been read to incomingMessage
incomingMessage.data = buffer;
// Deserialize the inbound data into an object which can be processed
// By the function or workerthread.
IP_Tato receivedTato = Utilities.Deserialize(incomingMessage) as IP_Tato;
// Verify that the server received the correct data
Console.WriteLine("Client Received: " + receivedTato.ToString());
Console.WriteLine("Processing Request...");
// TODO: Create a worker thread to work with the potato.
// This will be especially necessary when UI gets involved.
// For now it is just going to call a function
IP_Tato objectResponse = (IP_Tato)ProcessPotato(receivedTato);
if (objectResponse.Exploded)
{
// Exact the consequences of an exploded tater
}
else
{
Console.WriteLine($"You have received an IP_Tato from {receivedTato.LastClient}");
Console.WriteLine("Press any key to send the tater back!");
Console.ReadKey();
}
// Instantiate a Message to hold the response message
Message responseMessage = new Message();
responseMessage = Utilities.Serialize(objectResponse);
// Send back a response.
stream.Write(responseMessage.data, 0, responseMessage.data.Length);
// Verify that the data sent against the client receipt.
Console.WriteLine("Client Sent {0}", objectResponse.ToString());
}
catch (Exception ErrorProcessRequest)
{
Console.WriteLine("The request failed to be processed. Error details: " + ErrorProcessRequest);
}
// byte[] msg = System.Text.Encoding.ASCII.GetBytes("Server Received: " + data.ToString());
}
Console.WriteLine("---Listener Transaction Closed---");
stream.Close();
client.Close();
}
}
catch (SocketException e)
{
Console.WriteLine("Server SocketException: {0}", e);
}
finally
{
listener.Stop();
}
}
private static void ServerTest(IP_Tato tater)
{
// TODO Add in a test over a network connection (to verify how much it can handle)
// TODO Figure out how to negate Denial of Service Attacks.
// Add in tater stuff
// Each instance of this method handles just one tater until it's lifetime expires
// So then really this function is more like a StartTato() method.
// Especially once potato routing is a thing. - It is a thing now.
// When this all is converted to be OOP, then hostlist may become a part of the server class
// for (int x = 1; x < listenerMaxNumber + 1; x++)
// {
// string tempip = "127.0.0." + x;
// Console.WriteLine("Adding {0} to hostList", tempip);
// hostList.Add(tempip);
//}
while (tater.Passes > 0)
{
// Choose a targetClient
tater.TargetClient = RouteTater(hostList, tater.LastClient);
Console.WriteLine("The new targetClient is: {0}", tater.TargetClient);
// Set the values which will be used for each connection
IPAddress serveraddress = IPAddress.Parse(tater.TargetClient.address);
int port = 13000;
IPEndPoint server = new IPEndPoint(serveraddress, port);
TcpClient client = new TcpClient();
// Initialize the retry counter (which may be overkill)
int retries;
for (retries = 0; retries < 5; retries++)
{
// Handle unseen errors
try
{
// Connect to the server
client.Connect(server);
// Serialize the object which will be sent
Message outboundMessage = Utilities.Serialize(tater);
// Initialize the stream
NetworkStream stream = client.GetStream();
// Send the object through the stream
Console.WriteLine("Server Sent {0} bytes.", outboundMessage.data.Length);
stream.Write(outboundMessage.data);
Console.WriteLine("Server Sent: {0} \n Retry #: {1}", tater.ToString(), retries);
// -- Part 2: Receive the response. --
// Create a Message object to receive the response
// Create Buffer
// The size of the buffer will need to be adapted to the
// Size of the IP_Tato object. --- Until I make a dynamic buffer
Message inboundMessage = new Message(buffersize);
// This reads the server's response from the network
// It assigns the response byte [] to the buffer.
int bytes = stream.Read(inboundMessage.data, 0, inboundMessage.data.Length);
if (inboundMessage.Equals(0))
{
Console.WriteLine("Received an empty message");
}
// Deserialize the data which was received and create a tater
object responseData = Utilities.Deserialize(inboundMessage) as object;
tater = responseData as IP_Tato;
// Verify the current state is correct
Console.WriteLine("Server received: {0}", tater.ToString());
// Close out the connection
stream.Close();
Console.WriteLine("---Server Transaction Closed---");
if (tater.Passing == false)
{
Console.WriteLine($"{tater.TargetClient} has disconnected");
hostList.Remove(tater.TargetClient);
continue;
}
// Break out of the retry loop.
break;
}
catch (ArgumentNullException e)
{
Console.WriteLine("Server ArgumentNullException: {0}", e);
continue;
}
catch (SocketException e)
{
Console.WriteLine("Server SocketException: {0}", e);
continue;
}
}
client.Close();
}
Console.WriteLine("The IP_Tato {0} has exploded.", tater.Name);
}
private object ProcessRequest(object receivedObject)
{
object objectResponse = "ERR:ProcessFailure";
if (receivedObject is IP_Tato)
{
// Process the IP_Tato
IP_Tato tater = receivedObject as IP_Tato;
tater.Passes--;
// Check if tater has exploded
if (tater.Passes == 0)
{
tater.Explode();
objectResponse = tater;
// OnRaiseClientDisconnectedEvent(ClientInfo);
}
// Set up a EventWaitHandle to block code execution until the popup is closing.
EventWaitHandle ewh = new EventWaitHandle(false, EventResetMode.ManualReset);
bool taterIsPassed = false;
// Update the GUI with the results of the tater
Application app = Application.Current;
app.Dispatcher.Invoke((Action) delegate
{
// Create a new popup
Game_Popup game_Popup = new Game_Popup(tater);
// Show the popup
game_Popup.Show();
// Set up an event handler to capture the results of the popup
game_Popup.Closing += (object send, System.ComponentModel.CancelEventArgs eargs) =>
{
taterIsPassed = game_Popup.Passing;
ewh.Set();
};
});
if (tater.Exploded)
{
ewh.Set();
for (int x = 0; x < 10; x++)
{
app.Dispatcher.Invoke((Action) delegate
{
// Create a new popup
Game_Popup game_Popup = new Game_Popup(tater);
// Show the popup
game_Popup.Show();
});
}
// OnRaiseClientDisconnectedEvent(ClientInfo);
}
// Block until the popup closing event fires.
ewh.WaitOne();
if (taterIsPassed || tater.Exploded)
{
// Set the previous client to the current client.
tater.LastClient = tater.TargetClient;
objectResponse = tater;
}
else
{
OnRaiseClientDisconnectedEvent(ClientInfo);
objectResponse = "RESPONSE:Disconnect";
}
}
return(objectResponse);
}
