//used by the client listening to a server responding to a broadcast message
public static void listenServerBroadcastResponse(string message)
{
if (clientState == CURRENT_CLIENT_STATE.Broadcasting)
{
string[] splitMessage;
if (isVerbose)
{
sendClientLog(createClientLogMessage("Recieved Server Broadcast Response... " + message));
}
splitMessage = message.Split(WiFiInputConstants.SPLITARRAY_COLON, StringSplitOptions.RemoveEmptyEntries);
serverIPAddress = splitMessage[1];
//we've received the server response so add endpoint to send directly to server
clientSend = new UdpClient()
{
EnableBroadcast = true
};
clientSendEndPoint = new IPEndPoint(IPAddress.Parse(serverIPAddress), serverSocketListenPort);
clientState = CURRENT_CLIENT_STATE.ServerFound;
if (readyToTransmitInventory)
{
//if we aren't ready the wifi manager will send it when ready
sendControllerInventory(createInventoryMessage());
}
}
}
//this method is called upon init of the client automatically (if set to) to look for the server
//this can also be invoked in gamecode to essentially relook for server (if we want to reconnect or find a new one)
public static void checkForServer()
{
//reset the connection variables
clientState = CURRENT_CLIENT_STATE.Broadcasting;
serverIPAddress = String.Empty;
broadcastThread = new Thread(new ThreadStart(broadcastLoop))
{
IsBackground = true
};
broadcastThread.Start();
}
public static void Run(string name, int serverPort, int clientPort, bool verbose, bool clientConnectAutomatically)
{
appName = name;
serverSocketListenPort = serverPort;
clientScoketListenPort = clientPort;
isVerbose = verbose;
myIPAddress = "127.0.0.1";
if (isVerbose)
{
Debug.Log("Initializing Easy WiFi Controller...");
}
//if we're initing with connect automatically this will be changed below when checking for server
clientState = CURRENT_CLIENT_STATE.NotConnected;
//setup for client broadcast (setup for client send to server happens later)
clientBroadcast = new UdpClient()
{
EnableBroadcast = true
};
clientBroadcastEndPoint = new IPEndPoint(IPAddress.Broadcast, serverSocketListenPort);
//setup for client listening
clientListen = new UdpClient()
{
EnableBroadcast = true
};
clientListen.Client.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
clientListenEndPoint = new IPEndPoint(IPAddress.Any, clientScoketListenPort);
clientListen.Client.Bind(clientListenEndPoint);
listenThread = new Thread(new ThreadStart(listen))
{
IsBackground = true
};
listenThread.Start();
if (clientConnectAutomatically)
{
checkForServer();
}
}
//used by the client listening to a server responding to a inventory message
public static void listenServerInventoryResponse(string message)
{
string[] splitMessage, splitMessage2;
if (isVerbose)
{
sendClientLog(createClientLogMessage("Received Server's Inventory Response... " + message));
}
splitMessage = message.Split(WiFiInputConstants.SPLITARRAY_COLON, StringSplitOptions.RemoveEmptyEntries);
splitMessage = splitMessage[1].Split(WiFiInputConstants.SPLITARRAY_COMMA, StringSplitOptions.RemoveEmptyEntries);
//map the server keys to the data structure
for (int i = 0; i < splitMessage.Length; i++)
{
splitMessage2 = splitMessage[i].Split(WiFiInputConstants.SPLITARRAY_POUND, StringSplitOptions.RemoveEmptyEntries);
controllerDataDictionary[splitMessage2[1]].serverKey = splitMessage2[0];
}
//we now have the server keys so set the flag to start the controller data stream
clientState = CURRENT_CLIENT_STATE.SendingControllerData;
}
//used by the client to tell the server we are disconnecting
public static void sendDisconnect(string message)
{
if (isVerbose)
{
sendClientLog(createClientLogMessage("Sending Disconnect message... " + message));
}
byte[] bytes = Encoding.UTF8.GetBytes(message);
if (clientState != CURRENT_CLIENT_STATE.Broadcasting && clientState != CURRENT_CLIENT_STATE.NotConnected)
{
try
{
//if we're broadcasting we don't yet know the server
clientSend.Send(bytes, (int)bytes.Length, clientSendEndPoint);
}
catch (Exception ex)
{
//the most common exception here is if you forgot to turn on your wifi (network unreachable)
//log the error and move on (try again later)
Debug.Log(ex.Message);
}
clientState = CURRENT_CLIENT_STATE.NotConnected;
}
}
