Client/Client.cs

@@ -14,6 +14,7 @@ namespace Client
         private bool connected;
         private byte[] totalBuffer = new byte[1024];
         private int totalBufferReceived = 0;
+        private EngineConnection engineConnection;
 
 
         public Client() : this("localhost", 5555)
@@ -26,6 +27,10 @@ namespace Client
             this.client = new TcpClient();
             this.connected = false;
             client.BeginConnect(adress, port, new AsyncCallback(OnConnect), null);
+
+            engineConnection = EngineConnection.INSTANCE;
+            engineConnection.Connect();
+
         }
 
         private void OnConnect(IAsyncResult ar)

Client/EngineConnection.cs

@@ -0,0 +1,171 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using RH_Engine;
+using System.Net.Sockets;
+
+namespace Client
+{
+    public delegate void HandleSerial(string message);
+
+    public sealed class EngineConnection
+    {
+        private static EngineConnection instance = null;
+        private static readonly object padlock = new object();
+
+
+        private static PC[] PCs = {
+            //new PC("DESKTOP-M2CIH87", "Fabian"),
+            //new PC("T470S", "Shinichi"),
+            //new PC("DESKTOP-DHS478C", "semme"),
+            new PC("HP-ZBOOK-SEM", "Sem"),
+            //new PC("DESKTOP-TV73FKO", "Wouter"),
+            new PC("DESKTOP-SINMKT1", "Ralf van Aert"),
+            //new PC("NA", "Bart")
+        };
+
+        private static ServerResponseReader serverResponseReader;
+        private static string sessionId = string.Empty;
+        private static string tunnelId = string.Empty;
+        private static string routeId = string.Empty;
+        private static string panelId = string.Empty;
+        private static string bikeId = string.Empty;
+
+        private static NetworkStream stream;
+
+        private static Dictionary<string, HandleSerial> serialResponses = new Dictionary<string, HandleSerial>();
+
+        public bool Connected = false;
+
+        EngineConnection()
+        {
+
+        }
+
+        public static EngineConnection INSTANCE
+        {
+            get
+            {
+                lock (padlock)
+                {
+                    if (instance == null)
+                    {
+                        instance = new EngineConnection();
+                    }
+                }
+                return instance;
+            }
+        }
+
+        public void Connect()
+        {
+            TcpClient client = new TcpClient("145.48.6.10", 6666);
+            stream = client.GetStream();
+            CreateConnection();
+        }
+
+        /// <summary>
+        /// connects to the server and creates the tunnel
+        /// </summary>
+        /// <param name="stream">the network stream to use</param>
+        private void CreateConnection()
+        {
+            initReader();
+
+            WriteTextMessage( "{\r\n\"id\" : \"session/list\",\r\n\"serial\" : \"list\"\r\n}");
+
+            // wait until we have got a sessionId
+            while (sessionId == string.Empty) { }
+
+            string tunnelCreate = "{\"id\" : \"tunnel/create\",	\"data\" :	{\"session\" : \"" + sessionId + "\"}}";
+
+            WriteTextMessage(tunnelCreate);
+
+            // wait until we have a tunnel id
+            while (tunnelId == string.Empty) { }
+            Write("got tunnel id! sending commands...");
+
+        }
+        /// <summary>
+        /// initializes and starts the reading of the responses from the vr server
+        /// </summary>
+        /// <param name="stream">the networkstream</param>
+        private void initReader()
+        {
+            serverResponseReader = new ServerResponseReader(stream);
+            serverResponseReader.callback = HandleResponse;
+            serverResponseReader.StartRead();
+            Connected = true;
+        }
+
+        /// <summary>
+        /// callback method that handles responses from the server
+        /// </summary>
+        /// <param name="message">the response message from the server</param>
+        public void HandleResponse(string message)
+        {
+            string id = JSONParser.GetID(message);
+
+            // because the first messages don't have a serial, we need to check on the id
+            if (id == "session/list")
+            {
+                sessionId = JSONParser.GetSessionID(message, PCs);
+            }
+            else if (id == "tunnel/create")
+            {
+                tunnelId = JSONParser.GetTunnelID(message);
+                if (tunnelId == null)
+                {
+                    Write("could not find a valid tunnel id!");
+                    return;
+                }
+            }
+
+            if (message.Contains("serial"))
+            {
+                //Console.WriteLine("GOT MESSAGE WITH SERIAL: " + message + "\n\n\n");
+                string serial = JSONParser.GetSerial(message);
+                //Console.WriteLine("Got serial " + serial);
+                if (serialResponses.ContainsKey(serial)) serialResponses[serial].Invoke(message);
+            }
+        }
+
+        /// <summary>
+        /// method that sends the speciefied message with the specified serial, and executes the given action upon receivind a reply from the server with this serial.
+        /// </summary>
+        /// <param name="stream">the networkstream to use</param>
+        /// <param name="message">the message to send</param>
+        /// <param name="serial">the serial to check for</param>
+        /// <param name="action">the code to be executed upon reveiving a reply from the server with the specified serial</param>
+        public void SendMessageAndOnResponse(string message, string serial, HandleSerial action)
+        {
+            serialResponses.Add(serial, action);
+            WriteTextMessage(message);
+        }
+
+        /// <summary>
+        /// writes a message to the server
+        /// </summary>
+        /// <param name="stream">the network stream to use</param>
+        /// <param name="message">the message to send</param>
+        public void WriteTextMessage(string message)
+        {
+            byte[] msg = Encoding.ASCII.GetBytes(message);
+            byte[] res = new byte[msg.Length + 4];
+
+            Array.Copy(BitConverter.GetBytes(msg.Length), 0, res, 0, 4);
+            Array.Copy(msg, 0, res, 4, msg.Length);
+
+            stream.Write(res);
+
+            Write("sent message " + message);
+        }
+        public void Write(string msg)
+        {
+            Console.WriteLine( "[ENGINECONNECT] " + msg);
+        }
+
+    }
+
+
+}