Icon en livechart library

took forever

Client/Client.cs

@@ -1,17 +1,22 @@
-using System;
+using System;
+using System.Linq;
 using System.Net.Sockets;
+using System.Text;
 using ProftaakRH;
 
 namespace Client
 {
-    class Client : IDataReceiver
+    public class Client : IDataReceiver
     {
         private TcpClient client;
         private NetworkStream stream;
         private byte[] buffer = new byte[1024];
-        private int bytesReceived;
         private bool connected;
-        private byte clientId = 0;
+        private byte[] totalBuffer = new byte[1024];
+        private int totalBufferReceived = 0;
+        private EngineConnection engineConnection;
+        private bool sessionRunning = false;
+        private IHandler handler = null;
 
 
         public Client() : this("localhost", 5555)
@@ -22,80 +27,124 @@ namespace Client
         public Client(string adress, int port)
         {
             this.client = new TcpClient();
-            this.bytesReceived = 0;
             this.connected = false;
             client.BeginConnect(adress, port, new AsyncCallback(OnConnect), null);
         }
 
+        private void initEngine()
+        {
+            engineConnection = EngineConnection.INSTANCE;
+            engineConnection.OnNoTunnelId = retryEngineConnection;
+            if (!engineConnection.Connected) engineConnection.Connect();
+        }
+
+        private void retryEngineConnection()
+        {
+            Console.WriteLine("-- Could not connect to the VR engine. Please make sure you are running the simulation!");
+            Console.WriteLine("-- Press any key to retry connecting to the VR engine.");
+            Console.ReadKey();
+
+            engineConnection.CreateConnection();
+        }
+
         private void OnConnect(IAsyncResult ar)
         {
             this.client.EndConnect(ar);
-            Console.WriteLine("Verbonden!");
+            Console.WriteLine("TCP client Verbonden!");
 
 
             this.stream = this.client.GetStream();
 
-            //TODO File in lezen
+            tryLogin();
-            Console.WriteLine("enter username");
-            string username = Console.ReadLine();
-            Console.WriteLine("enter password");
-            string password = Console.ReadLine();
-
-            byte[] message = DataParser.getJsonMessage(DataParser.GetLoginJson(username, password), this.clientId);
-
-            this.stream.BeginWrite(message, 0, message.Length, new AsyncCallback(OnWrite), null);
 
             this.stream.BeginRead(this.buffer, 0, this.buffer.Length, new AsyncCallback(OnRead), null);
-
-            //TODO lees OK message
-            //temp moet eigenlijk een ok bericht ontvangen
-            this.connected = true;
         }
 
         private void OnRead(IAsyncResult ar)
         {
             int receivedBytes = this.stream.EndRead(ar);
-            byte[] lengthBytes = new byte[4];
 
-            Array.Copy(this.buffer, 0, lengthBytes, 0, 4);
+            if (totalBufferReceived + receivedBytes > 1024)
-
-            int expectedMessageLength = BitConverter.ToInt32(lengthBytes);
-
-            if (expectedMessageLength > this.buffer.Length)
             {
-                throw new OutOfMemoryException("buffer to small");
+                throw new OutOfMemoryException("buffer too small");
             }
+            Array.Copy(buffer, 0, totalBuffer, totalBufferReceived, receivedBytes);
+            totalBufferReceived += receivedBytes;
 
-            if (expectedMessageLength > this.bytesReceived + receivedBytes)
+            int expectedMessageLength = BitConverter.ToInt32(totalBuffer, 0);
+            while (totalBufferReceived >= expectedMessageLength)
             {
-                //message hasn't completely arrived yet
+                //volledig packet binnen
-                this.bytesReceived += receivedBytes;
+                byte[] messageBytes = new byte[expectedMessageLength];
-                this.stream.BeginRead(this.buffer, this.bytesReceived, this.buffer.Length - this.bytesReceived, new AsyncCallback(OnRead), null);
+                Array.Copy(totalBuffer, 0, messageBytes, 0, expectedMessageLength);
 
-            }
+
-            else
+                byte[] payloadbytes = new byte[BitConverter.ToInt32(messageBytes, 0) - 5];
-            {
+
-                //message completely arrived
+                Array.Copy(messageBytes, 5, payloadbytes, 0, payloadbytes.Length);
-                if (expectedMessageLength != this.bytesReceived + receivedBytes)
-                {
-                    Console.WriteLine("something has gone completely wrong");
-                }
 
                 string identifier;
-                bool isJson = DataParser.getJsonIdentifier(this.buffer, out identifier);
+                bool isJson = DataParser.getJsonIdentifier(messageBytes, out identifier);
                 if (isJson)
                 {
-                    throw new NotImplementedException();
+                    switch (identifier)
+                    {
+                        case DataParser.LOGIN_RESPONSE:
+                            string responseStatus = DataParser.getResponseStatus(payloadbytes);
+                            if (responseStatus == "OK")
+                            {
+                                this.connected = true;
+                                //initEngine();
+                            }
+                            else
+                            {
+                                Console.WriteLine($"login failed \"{responseStatus}\"");
+                                tryLogin();
+                            }
+                            break;
+                        case DataParser.START_SESSION:
+                            this.sessionRunning = true;
+                            sendMessage(DataParser.getStartSessionJson());
+                            break;
+                        case DataParser.STOP_SESSION:
+                            this.sessionRunning = false;
+                            sendMessage(DataParser.getStopSessionJson());
+                            break;
+                        case DataParser.SET_RESISTANCE:
+                            if (this.handler == null)
+                            {
+                                Console.WriteLine("handler is null");
+                                sendMessage(DataParser.getSetResistanceResponseJson(false));
+                            }
+                            else
+                            {
+                                this.handler.setResistance(DataParser.getResistanceFromJson(payloadbytes));
+                                sendMessage(DataParser.getSetResistanceResponseJson(true));
+                            }
+                            break;
+                        default:
+                            Console.WriteLine($"Received json with identifier {identifier}:\n{Encoding.ASCII.GetString(payloadbytes)}");
+                            break;
+                    }
                 }
-                else if (DataParser.isRawData(this.buffer))
+                else if (DataParser.isRawData(messageBytes))
                 {
-                    throw new NotImplementedException();
+                    Console.WriteLine($"Received data: {BitConverter.ToString(payloadbytes)}");
                 }
+
+                totalBufferReceived -= expectedMessageLength;
+                expectedMessageLength = BitConverter.ToInt32(totalBuffer, 0);
             }
+
             this.stream.BeginRead(this.buffer, 0, this.buffer.Length, new AsyncCallback(OnRead), null);
 
         }
 
+        private void sendMessage(byte[] message)
+        {
+            stream.BeginWrite(message, 0, message.Length, new AsyncCallback(OnWrite), null);
+        }
+
         private void OnWrite(IAsyncResult ar)
         {
             this.stream.EndWrite(ar);
@@ -105,21 +154,29 @@ namespace Client
         //maybe move this to other place
         public void BPM(byte[] bytes)
         {
+            if (!sessionRunning)
+            {
+                return;
+            }
             if (bytes == null)
             {
                 throw new ArgumentNullException("no bytes");
             }
-            byte[] message = DataParser.GetRawDataMessage(bytes, clientId);
+            byte[] message = DataParser.GetRawDataMessage(bytes);
             this.stream.BeginWrite(message, 0, message.Length, new AsyncCallback(OnWrite), null);
         }
 
         public void Bike(byte[] bytes)
         {
+            if (!sessionRunning)
+            {
+                return;
+            }
             if (bytes == null)
             {
                 throw new ArgumentNullException("no bytes");
             }
-            byte[] message = DataParser.GetRawDataMessage(bytes, clientId);
+            byte[] message = DataParser.GetRawDataMessage(bytes);
             this.stream.BeginWrite(message, 0, message.Length, new AsyncCallback(OnWrite), null);
         }
 
@@ -129,5 +186,37 @@ namespace Client
         {
             return this.connected;
         }
+        private void tryLogin()
+        {
+            //TODO File in lezen
+            Console.WriteLine("enter username");
+            string username = Console.ReadLine();
+            Console.WriteLine("enter password");
+            string password = Console.ReadLine();
+
+            string hashUser = Hashing.Hasher.HashString(username);
+            string hashPassword = Hashing.Hasher.HashString(password);
+
+            byte[] message = DataParser.getJsonMessage(DataParser.GetLoginJson(hashUser, hashPassword));
+
+           
+            this.stream.BeginWrite(message, 0, message.Length, new AsyncCallback(OnWrite), null);
+        }
+
+        public void tryLoginDoctor(string username, string password)
+        {
+            string hashUser = Hashing.Hasher.HashString(username);
+            string hashPassword = Hashing.Hasher.HashString(password);
+
+            byte[] message = DataParser.getJsonMessage(DataParser.GetLoginJson(hashUser, hashPassword));
+
+
+            stream.BeginWrite(message, 0, message.Length, new AsyncCallback(OnWrite), null);
+        }
+
+        public void setHandler(IHandler handler)
+        {
+            this.handler = handler;
+        }
     }
 }

Client/Client.csproj

@@ -12,6 +12,9 @@
   <ItemGroup>
     <ProjectReference Include="..\Message\Message.csproj" />
     <ProjectReference Include="..\ProftaakRH\ProftaakRH.csproj" />
+    <ProjectReference Include="..\RH-Engine\RH-Engine.csproj" />
   </ItemGroup>
 
+  <Import Project="..\Hashing\Hashing.projitems" Label="Shared" />
+
 </Project>

Client/DataParser.cs

@@ -1,12 +1,20 @@
 using Newtonsoft.Json;
+using Newtonsoft.Json.Serialization;
 using System;
+using System.Globalization;
 using System.Linq;
+using System.Runtime.InteropServices.WindowsRuntime;
 using System.Text;
 
 namespace Client
 {
-    class DataParser
+    public class DataParser
     {
+        public const string LOGIN = "LOGIN";
+        public const string LOGIN_RESPONSE = "LOGIN RESPONSE";
+        public const string START_SESSION = "START SESSION";
+        public const string STOP_SESSION = "STOP SESSION";
+        public const string SET_RESISTANCE = "SET RESISTANCE";
         /// <summary>
         /// makes the json object with LOGIN identifier and username and password
         /// </summary>
@@ -17,7 +25,7 @@ namespace Client
         {
             dynamic json = new
             {
-                identifier = "LOGIN",
+                identifier = LOGIN,
                 data = new
                 {
                     username = mUsername,
@@ -28,6 +36,52 @@ namespace Client
             return Encoding.ASCII.GetBytes(JsonConvert.SerializeObject(json));
         }
 
+        public static bool GetUsernamePassword(byte[] jsonbytes, out string username, out string password)
+        {
+            dynamic json = JsonConvert.DeserializeObject(Encoding.ASCII.GetString(jsonbytes));
+            try
+            {
+                username = json.data.username;
+                password = json.data.password;
+                return true;
+            }
+            catch
+            {
+                username = null;
+                password = null;
+                return false;
+            }
+        }
+
+        private static byte[] getJsonMessage(string mIdentifier, dynamic data)
+        {
+            dynamic json = new
+            {
+                identifier = mIdentifier,
+                data
+            };
+            return getMessage(Encoding.ASCII.GetBytes(JsonConvert.SerializeObject(json)), 0x01);
+        }
+
+        private static byte[] getJsonMessage(string mIdentifier)
+        {
+            dynamic json = new
+            {
+                identifier = mIdentifier,
+            };
+            return getMessage(Encoding.ASCII.GetBytes(JsonConvert.SerializeObject(json)), 0x01);
+        }
+
+        public static byte[] getLoginResponse(string mStatus)
+        {
+            return getJsonMessage(LOGIN_RESPONSE, new { status = mStatus });
+        }
+
+        public static string getResponseStatus(byte[] json)
+        {
+            return ((dynamic)JsonConvert.DeserializeObject(Encoding.ASCII.GetString(json))).data.status;
+        }
+
         /// <summary>
         /// get the identifier from json
         /// </summary>
@@ -36,15 +90,15 @@ namespace Client
         /// <returns>if it sucseeded</returns>
         public static bool getJsonIdentifier(byte[] bytes, out string identifier)
         {
-            if (bytes.Length <= 6)
+            if (bytes.Length <= 5)
             {
                 throw new ArgumentException("bytes to short");
             }
             byte messageId = bytes[4];
 
-            if (messageId == 1)
+            if (messageId == 0x01)
             {
-                dynamic json = JsonConvert.DeserializeObject(Encoding.ASCII.GetString(bytes.Skip(6).ToArray()));
+                dynamic json = JsonConvert.DeserializeObject(Encoding.ASCII.GetString(bytes.Skip(5).ToArray()));
                 identifier = json.identifier;
                 return true;
             }
@@ -62,7 +116,7 @@ namespace Client
         /// <returns>if message contains raw data</returns>
         public static bool isRawData(byte[] bytes)
         {
-            if (bytes.Length <= 6)
+            if (bytes.Length <= 5)
             {
                 throw new ArgumentException("bytes to short");
             }
@@ -76,14 +130,13 @@ namespace Client
         /// <param name="messageId"></param>
         /// <param name="clientId"></param>
         /// <returns>the message ready for sending</returns>
-        private static byte[] getMessage(byte[] payload, byte messageId, byte clientId)
+        private static byte[] getMessage(byte[] payload, byte messageId)
         {
-            byte[] res = new byte[payload.Length + 6];
+            byte[] res = new byte[payload.Length + 5];
 
-            Array.Copy(BitConverter.GetBytes(payload.Length + 6), 0, res, 0, 4);
+            Array.Copy(BitConverter.GetBytes(payload.Length + 5), 0, res, 0, 4);
             res[4] = messageId;
-            res[5] = clientId;
+            Array.Copy(payload, 0, res, 5, payload.Length);
-            Array.Copy(payload, 0, res, 6, payload.Length);
 
             return res;
         }
@@ -94,9 +147,9 @@ namespace Client
         /// <param name="payload"></param>
         /// <param name="clientId"></param>
         /// <returns>the message ready for sending</returns>
-        public static byte[] GetRawDataMessage(byte[] payload, byte clientId)
+        public static byte[] GetRawDataMessage(byte[] payload)
         {
-            return getMessage(payload, 0x02, clientId);
+            return getMessage(payload, 0x02);
         }
 
         /// <summary>
@@ -105,20 +158,47 @@ namespace Client
         /// <param name="payload"></param>
         /// <param name="clientId"></param>
         /// <returns>the message ready for sending</returns>
-        public static byte[] getJsonMessage(byte[] payload, byte clientId)
+        public static byte[] getJsonMessage(byte[] payload)
         {
-            return getMessage(payload, 0x01, clientId);
+            return getMessage(payload, 0x01);
         }
 
-        /// <summary>
+        public static byte[] getStartSessionJson()
-        /// constructs a message with the message and clientId
-        /// </summary>
-        /// <param name="message"></param>
-        /// <param name="clientId"></param>
-        /// <returns>the message ready for sending</returns>
-        public static byte[] getJsonMessage(string message, byte clientId)
         {
-            return getJsonMessage(Encoding.ASCII.GetBytes(message), clientId);
+            return getJsonMessage(START_SESSION);
+        }
+
+        public static byte[] getStopSessionJson()
+        {
+            return getJsonMessage(STOP_SESSION);
+        }
+
+        public static byte[] getSetResistanceJson(float mResistance)
+        {
+            dynamic data = new
+            {
+                resistance = mResistance
+            };
+            return getJsonMessage(SET_RESISTANCE, data);
+        }
+
+        public static byte[] getSetResistanceResponseJson(bool mWorked)
+        {
+            dynamic data = new
+            {
+                worked = mWorked
+            };
+            return getJsonMessage(SET_RESISTANCE, data);
+        }
+
+        public static float getResistanceFromJson(byte[] json)
+        {
+            return ((dynamic)JsonConvert.DeserializeObject(Encoding.ASCII.GetString(json))).data.resistance;
+        }
+
+        public static bool getResistanceFromResponseJson(byte[] json)
+        {
+            return ((dynamic)JsonConvert.DeserializeObject(Encoding.ASCII.GetString(json))).data.worked;
         }
 
 

Client/EngineConnection.cs

@@ -0,0 +1,180 @@
+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 delegate void HandleNoTunnelId();
+
+    public sealed class EngineConnection
+    {
+        private static EngineConnection instance = null;
+        private static readonly object padlock = new object();
+        public HandleNoTunnelId OnNoTunnelId;
+
+
+        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>();
+        private Command mainCommand;
+
+        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();
+            initReader();
+            CreateConnection();
+        }
+
+        /// <summary>
+        /// connects to the server and creates the tunnel
+        /// </summary>
+        /// <param name="stream">the network stream to use</param>
+        public void CreateConnection()
+        {
+
+            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) { }
+            if (tunnelId != null)
+            {
+                Write("got tunnel id! " + tunnelId);
+            }
+            mainCommand = new Command(tunnelId);
+
+        }
+        /// <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!");
+                    OnNoTunnelId?.Invoke();
+                    Connected = false;
+                    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);
+        }
+
+    }
+
+
+}

Client/Program.cs

@@ -1,5 +1,10 @@
 using System;
 using Hardware;
+using Hardware.Simulators;
+using RH_Engine;
+using System.Security.Cryptography;
+using System.Text;
+using System.Threading;
 
 namespace Client
 {
@@ -10,7 +15,7 @@ namespace Client
             Console.WriteLine("Hello World!");
             //connect fiets?
 
-
+            Thread.Sleep(20000);
             Client client = new Client();
 
 
@@ -22,10 +27,15 @@ namespace Client
 
             bLEHandler.Connect();
 
+            client.setHandler(bLEHandler);
+
+
             //BikeSimulator bikeSimulator = new BikeSimulator(client);
 
             //bikeSimulator.StartSimulation();
 
+            //client.setHandler(bikeSimulator);
+
             while (true)
             {
             }

DokterApp/App.xaml

@@ -0,0 +1,9 @@
+<Application x:Class="DokterApp.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:DokterApp"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+         
+    </Application.Resources>
+</Application>

DokterApp/App.xaml.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Data;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace DokterApp
+{
+    /// <summary>
+    /// Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+    }
+}

DokterApp/AssemblyInfo.cs

@@ -0,0 +1,10 @@
+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
+                                     //(used if a resource is not found in the page,
+                                     // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
+                                              //(used if a resource is not found in the page,
+                                              // app, or any theme specific resource dictionaries)
+)]

DokterApp/Client.cs

@@ -0,0 +1,196 @@
+using System;
+using System.Linq;
+using System.Net.Sockets;
+using System.Text;
+using ProftaakRH;
+
+namespace DokterApp
+{
+    public class Client : IDataReceiver
+    {
+        private TcpClient client;
+        private NetworkStream stream;
+        private byte[] buffer = new byte[1024];
+        private bool connected;
+        private byte[] totalBuffer = new byte[1024];
+        private int totalBufferReceived = 0;
+        private bool sessionRunning = false;
+        private IHandler handler = null;
+        private string username;
+        private string password;
+        private Del callback;
+
+        
+        public Client(string adress, int port, string username, string password, Del callback)
+        {
+            this.callback = callback;
+            this.username = username;
+            this.password = password;
+            this.client = new TcpClient();
+            this.connected = false;
+            client.BeginConnect(adress, port, new AsyncCallback(OnConnect), null);
+        }
+
+       
+
+       
+
+        private void OnConnect(IAsyncResult ar)
+        {
+            this.client.EndConnect(ar);
+            Console.WriteLine("TCP client Verbonden!");
+
+            this.stream = this.client.GetStream();
+
+            tryLogin();
+
+            this.stream.BeginRead(this.buffer, 0, this.buffer.Length, new AsyncCallback(OnRead), null);
+        }
+
+        private void OnRead(IAsyncResult ar)
+        {
+            int receivedBytes = this.stream.EndRead(ar);
+
+            if (totalBufferReceived + receivedBytes > 1024)
+            {
+                throw new OutOfMemoryException("buffer too small");
+            }
+            Array.Copy(buffer, 0, totalBuffer, totalBufferReceived, receivedBytes);
+            totalBufferReceived += receivedBytes;
+
+            int expectedMessageLength = BitConverter.ToInt32(totalBuffer, 0);
+            while (totalBufferReceived >= expectedMessageLength)
+            {
+                //volledig packet binnen
+                byte[] messageBytes = new byte[expectedMessageLength];
+                Array.Copy(totalBuffer, 0, messageBytes, 0, expectedMessageLength);
+
+
+                byte[] payloadbytes = new byte[BitConverter.ToInt32(messageBytes, 0) - 5];
+
+                Array.Copy(messageBytes, 5, payloadbytes, 0, payloadbytes.Length);
+
+                string identifier;
+                bool isJson = DataParser.getJsonIdentifier(messageBytes, out identifier);
+                if (isJson)
+                {
+                    switch (identifier)
+                    {
+                        case DataParser.LOGIN_RESPONSE:
+                            string responseStatus = DataParser.getResponseStatus(payloadbytes);
+                            if (responseStatus == "OK")
+                            {
+                                this.connected = true;
+                            }
+                            else
+                            {
+                                callback("yeet");
+                                Console.WriteLine($"login failed \"{responseStatus}\"");
+                                //tryLogin();
+                            }
+                            break;
+                        case DataParser.START_SESSION:
+                            this.sessionRunning = true;
+                            sendMessage(DataParser.getStartSessionJson());
+                            break;
+                        case DataParser.STOP_SESSION:
+                            this.sessionRunning = false;
+                            sendMessage(DataParser.getStopSessionJson());
+                            break;
+                        case DataParser.SET_RESISTANCE:
+                            if (this.handler == null)
+                            {
+                                Console.WriteLine("handler is null");
+                                sendMessage(DataParser.getSetResistanceResponseJson(false));
+                            }
+                            else
+                            {
+                                this.handler.setResistance(DataParser.getResistanceFromJson(payloadbytes));
+                                sendMessage(DataParser.getSetResistanceResponseJson(true));
+                            }
+                            break;
+                        default:
+                            Console.WriteLine($"Received json with identifier {identifier}:\n{Encoding.ASCII.GetString(payloadbytes)}");
+                            break;
+                    }
+                }
+                else if (DataParser.isRawData(messageBytes))
+                {
+                    Console.WriteLine($"Received data: {BitConverter.ToString(payloadbytes)}");
+                }
+
+                totalBufferReceived -= expectedMessageLength;
+                expectedMessageLength = BitConverter.ToInt32(totalBuffer, 0);
+            }
+
+            this.stream.BeginRead(this.buffer, 0, this.buffer.Length, new AsyncCallback(OnRead), null);
+
+        }
+
+        private void sendMessage(byte[] message)
+        {
+            stream.BeginWrite(message, 0, message.Length, new AsyncCallback(OnWrite), null);
+        }
+
+        private void OnWrite(IAsyncResult ar)
+        {
+            this.stream.EndWrite(ar);
+        }
+
+        #region interface
+        //maybe move this to other place
+        public void BPM(byte[] bytes)
+        {
+            if (!sessionRunning)
+            {
+                return;
+            }
+            if (bytes == null)
+            {
+                throw new ArgumentNullException("no bytes");
+            }
+            byte[] message = DataParser.GetRawDataMessage(bytes);
+            this.stream.BeginWrite(message, 0, message.Length, new AsyncCallback(OnWrite), null);
+        }
+
+        public void Bike(byte[] bytes)
+        {
+            if (!sessionRunning)
+            {
+                return;
+            }
+            if (bytes == null)
+            {
+                throw new ArgumentNullException("no bytes");
+            }
+            byte[] message = DataParser.GetRawDataMessage(bytes);
+            this.stream.BeginWrite(message, 0, message.Length, new AsyncCallback(OnWrite), null);
+        }
+
+        #endregion
+
+        public bool IsConnected()
+        {
+            return this.connected;
+        }
+        private void tryLogin()
+        {
+            //TODO File in lezen
+
+            string hashUser = Hashing.Hasher.HashString(username);
+            string hashPassword = Hashing.Hasher.HashString(password);
+
+            byte[] message = DataParser.getJsonMessage(DataParser.GetLoginJson(hashUser, hashPassword));
+
+           
+            this.stream.BeginWrite(message, 0, message.Length, new AsyncCallback(OnWrite), null);
+        }
+
+
+
+        public void setHandler(IHandler handler)
+        {
+            this.handler = handler;
+        }
+    }
+}

DokterApp/DataParser.cs

@@ -0,0 +1,206 @@
+using Newtonsoft.Json;
+using Newtonsoft.Json.Serialization;
+using System;
+using System.Globalization;
+using System.Linq;
+using System.Runtime.InteropServices.WindowsRuntime;
+using System.Text;
+
+namespace DokterApp
+{
+    public class DataParser
+    {
+        public const string LOGIN = "LOGIN";
+        public const string LOGIN_RESPONSE = "LOGIN RESPONSE";
+        public const string START_SESSION = "START SESSION";
+        public const string STOP_SESSION = "STOP SESSION";
+        public const string SET_RESISTANCE = "SET RESISTANCE";
+        /// <summary>
+        /// makes the json object with LOGIN identifier and username and password
+        /// </summary>
+        /// <param name="mUsername">username</param>
+        /// <param name="mPassword">password</param>
+        /// <returns>json object to ASCII to bytes</returns>
+        public static byte[] GetLoginJson(string mUsername, string mPassword)
+        {
+            dynamic json = new
+            {
+                identifier = LOGIN,
+                data = new
+                {
+                    username = mUsername,
+                    password = mPassword,
+                }
+            };
+
+            return Encoding.ASCII.GetBytes(JsonConvert.SerializeObject(json));
+        }
+
+        public static bool GetUsernamePassword(byte[] jsonbytes, out string username, out string password)
+        {
+            dynamic json = JsonConvert.DeserializeObject(Encoding.ASCII.GetString(jsonbytes));
+            try
+            {
+                username = json.data.username;
+                password = json.data.password;
+                return true;
+            }
+            catch
+            {
+                username = null;
+                password = null;
+                return false;
+            }
+        }
+
+        private static byte[] getJsonMessage(string mIdentifier, dynamic data)
+        {
+            dynamic json = new
+            {
+                identifier = mIdentifier,
+                data
+            };
+            return getMessage(Encoding.ASCII.GetBytes(JsonConvert.SerializeObject(json)), 0x01);
+        }
+
+        private static byte[] getJsonMessage(string mIdentifier)
+        {
+            dynamic json = new
+            {
+                identifier = mIdentifier,
+            };
+            return getMessage(Encoding.ASCII.GetBytes(JsonConvert.SerializeObject(json)), 0x01);
+        }
+
+        public static byte[] getLoginResponse(string mStatus)
+        {
+            return getJsonMessage(LOGIN_RESPONSE, new { status = mStatus });
+        }
+
+        public static string getResponseStatus(byte[] json)
+        {
+            return ((dynamic)JsonConvert.DeserializeObject(Encoding.ASCII.GetString(json))).data.status;
+        }
+
+        /// <summary>
+        /// get the identifier from json
+        /// </summary>
+        /// <param name="bytes">json in ASCII</param>
+        /// <param name="identifier">gets the identifier</param>
+        /// <returns>if it sucseeded</returns>
+        public static bool getJsonIdentifier(byte[] bytes, out string identifier)
+        {
+            if (bytes.Length <= 5)
+            {
+                throw new ArgumentException("bytes to short");
+            }
+            byte messageId = bytes[4];
+
+            if (messageId == 0x01)
+            {
+                dynamic json = JsonConvert.DeserializeObject(Encoding.ASCII.GetString(bytes.Skip(5).ToArray()));
+                identifier = json.identifier;
+                return true;
+            }
+            else
+            {
+                identifier = "";
+                return false;
+            }
+        }
+
+        /// <summary>
+        /// checks if the de message is raw data according to the protocol
+        /// </summary>
+        /// <param name="bytes">message</param>
+        /// <returns>if message contains raw data</returns>
+        public static bool isRawData(byte[] bytes)
+        {
+            if (bytes.Length <= 5)
+            {
+                throw new ArgumentException("bytes to short");
+            }
+            return bytes[4] == 0x02;
+        }
+
+        /// <summary>
+        /// constructs a message with the payload, messageId and clientId
+        /// </summary>
+        /// <param name="payload"></param>
+        /// <param name="messageId"></param>
+        /// <param name="clientId"></param>
+        /// <returns>the message ready for sending</returns>
+        private static byte[] getMessage(byte[] payload, byte messageId)
+        {
+            byte[] res = new byte[payload.Length + 5];
+
+            Array.Copy(BitConverter.GetBytes(payload.Length + 5), 0, res, 0, 4);
+            res[4] = messageId;
+            Array.Copy(payload, 0, res, 5, payload.Length);
+
+            return res;
+        }
+
+        /// <summary>
+        /// constructs a message with the payload and clientId and assumes the payload is raw data
+        /// </summary>
+        /// <param name="payload"></param>
+        /// <param name="clientId"></param>
+        /// <returns>the message ready for sending</returns>
+        public static byte[] GetRawDataMessage(byte[] payload)
+        {
+            return getMessage(payload, 0x02);
+        }
+
+        /// <summary>
+        /// constructs a message with the payload and clientId and assumes the payload is json
+        /// </summary>
+        /// <param name="payload"></param>
+        /// <param name="clientId"></param>
+        /// <returns>the message ready for sending</returns>
+        public static byte[] getJsonMessage(byte[] payload)
+        {
+            return getMessage(payload, 0x01);
+        }
+
+        public static byte[] getStartSessionJson()
+        {
+            return getJsonMessage(START_SESSION);
+        }
+
+        public static byte[] getStopSessionJson()
+        {
+            return getJsonMessage(STOP_SESSION);
+        }
+
+        public static byte[] getSetResistanceJson(float mResistance)
+        {
+            dynamic data = new
+            {
+                resistance = mResistance
+            };
+            return getJsonMessage(SET_RESISTANCE, data);
+        }
+
+        public static byte[] getSetResistanceResponseJson(bool mWorked)
+        {
+            dynamic data = new
+            {
+                worked = mWorked
+            };
+            return getJsonMessage(SET_RESISTANCE, data);
+        }
+
+        public static float getResistanceFromJson(byte[] json)
+        {
+            return ((dynamic)JsonConvert.DeserializeObject(Encoding.ASCII.GetString(json))).data.resistance;
+        }
+
+        public static bool getResistanceFromResponseJson(byte[] json)
+        {
+            return ((dynamic)JsonConvert.DeserializeObject(Encoding.ASCII.GetString(json))).data.worked;
+        }
+
+
+    }
+}

DokterApp/DokterApp.csproj

@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <UseWPF>true</UseWPF>
+  </PropertyGroup>
+
+  <Import Project="..\Hashing\Hashing.projitems" Label="Shared" />
+
+  <ItemGroup>
+    <PackageReference Include="ChartControls" Version="1.3.3" />
+    <PackageReference Include="LiveCharts.Wpf" Version="0.9.7" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\ProftaakRH\ProftaakRH.csproj" />
+  </ItemGroup>
+
+</Project>

DokterApp/ITab.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Windows.Input;
+
+namespace DokterApp
+{
+    public interface ITab
+    {
+        string Name { get; set; }
+        ICommand CloseCommand { get; }
+        event EventHandler CloseRequested;
+    }
+
+    public abstract class Tab : ITab
+    {
+        public string Name { get; set; }
+        public ICommand CloseCommand { get; }
+        public event EventHandler CloseRequested;
+
+        public Tab()
+        {
+            //CloseCommand = 
+        }
+
+    }
+
+}

DokterApp/MainWindow.xaml

@@ -0,0 +1,29 @@
+<Window x:Class="DokterApp.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:DokterApp"
+        mc:Ignorable="d"
+        WindowState="Maximized"
+        Title="Dokter App" >
+    <Grid RenderTransformOrigin="0.499,0.49">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="23*"/>
+            <RowDefinition Height="31*"/>
+        </Grid.RowDefinitions>
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="0"/>
+            <ColumnDefinition/>
+        </Grid.ColumnDefinitions>
+        <StackPanel Grid.ColumnSpan="2" Grid.RowSpan="2" HorizontalAlignment="Center" VerticalAlignment="Center" Margin="0,0,0,0" Orientation="Vertical">
+            <Label x:Name="Label" Content="Yo dokter login" Margin="0,0,0,20" HorizontalAlignment="Center"/>
+            <Label Content="Username" HorizontalContentAlignment="Center"/>
+            <TextBox x:Name="Username" TextWrapping="Wrap" Width="120"/>
+            <Label Content="Password" HorizontalContentAlignment="Center"/>
+            <TextBox x:Name="Password" TextWrapping="Wrap" Width="120"/>
+            <Button x:Name="Login" Content="Login" Margin="0,20,0,0" Click="Login_Click_1" />
+        </StackPanel>
+
+    </Grid>
+</Window>

DokterApp/MainWindow.xaml.cs

@@ -0,0 +1,54 @@
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+namespace DokterApp
+{
+    /// <summary>
+    /// Interaction logic for MainWindow.xaml
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        Del handler;
+        Client client;
+        public MainWindow()
+        {
+            InitializeComponent();
+   
+        }
+
+        
+
+        private void Login_Click_1(object sender, RoutedEventArgs e)
+        {
+            WindowTabs windowTabs = new WindowTabs();
+            handler = windowTabs.NewTab;
+
+            this.Label.Content = "Waiting";
+            this.client = new Client("localhost", 5555, this.Username.Text, this.Password.Text, handler);
+            while (!client.IsConnected())
+            {
+            }
+            
+            
+            windowTabs.Show();
+            
+            this.Close();
+            
+        }
+
+    }
+
+    public delegate void Del(string message);
+}

DokterApp/UserControlForTab.xaml

@@ -0,0 +1,67 @@
+<UserControl x:Class="DokterApp.UserControlForTab"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+             xmlns:local="clr-namespace:DokterApp"
+             mc:Ignorable="d" 
+             d:DesignHeight="450" d:DesignWidth="800">
+    <Grid Margin="15,5,15,15">
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="5*"/>
+            <ColumnDefinition Width="3*"/>
+        </Grid.ColumnDefinitions>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="43*"/>
+            <RowDefinition Height="47*"/>
+            <RowDefinition Height="180*"/>
+            <RowDefinition Height="180*"/>
+        </Grid.RowDefinitions>
+        <StackPanel Orientation="Horizontal" Grid.RowSpan="2" Margin="0,0,0,22">
+            <StackPanel.Resources>
+                <Style TargetType="{x:Type Label}">
+                    <Setter Property="Margin" Value="0,0,20,0"/>
+                </Style>
+            </StackPanel.Resources>
+            <Label Content="UserName" Name="Username_Label"/>
+            <Label Content="Status: " Name="Status_Label"/>
+        </StackPanel>
+        <StackPanel Margin="0,10,0,0" Grid.RowSpan="2" Grid.Row="1">
+            <StackPanel.Resources>
+                <Style TargetType="{x:Type DockPanel}">
+                    <Setter Property="Margin" Value="0,20,0,0"/>
+                </Style>
+            </StackPanel.Resources>
+            <DockPanel Height="26" LastChildFill="False" HorizontalAlignment="Stretch">
+                <Label Content="Resistance" Width="110" DockPanel.Dock="Right"/>
+                <Label Content="Current Speed" Width="110" DockPanel.Dock="Left"/>
+                <Label Content="Current BPM" Width="110" DockPanel.Dock="Top"/>
+            </DockPanel>
+            <DockPanel Height="26" LastChildFill="False" HorizontalAlignment="Stretch">
+                <TextBox Name="textBox_Resistance" Text="" TextWrapping="Wrap" Width="110" DockPanel.Dock="Right" IsReadOnly="true"/>
+                <TextBox Name="textBox_CurrentSpeed" Text="" TextWrapping="Wrap" Width="110" DockPanel.Dock="Left" IsReadOnly="true"/>
+                <TextBox Name="textBox_CurrentBPM" Text="" TextWrapping="Wrap" Width="110" DockPanel.Dock="Top" Height="26" IsReadOnly="true"/>
+            </DockPanel>
+            <DockPanel Height="26" LastChildFill="False">
+                <Label Content="Distance Covered" Width="110" DockPanel.Dock="Right"/>
+                <Label Content="Current Power" Width="110" DockPanel.Dock="Left"/>
+                <Label Content="Acc. Power" Width="110" DockPanel.Dock="Top"/>
+            </DockPanel>
+            <DockPanel Height="26" LastChildFill="False">
+                <TextBox Name="textBox_DistanceCovered" Text="" TextWrapping="Wrap" Width="110" DockPanel.Dock="Right" IsReadOnly="true"/>
+                <TextBox Name="textBox_CurrentPower" Text="" TextWrapping="Wrap" Width="110" DockPanel.Dock="Left" IsReadOnly="true"/>
+                <TextBox Name="textBox_AccPower" Text="" TextWrapping="Wrap" Width="110" DockPanel.Dock="Top" Height="26" IsReadOnly="true"/>
+            </DockPanel>
+        </StackPanel>
+        <ListBox Name="ChatBox"  Grid.Column="1" Margin="59,41,0,0" SelectionChanged="ListBox_SelectionChanged" Grid.RowSpan="3"/>
+        <TextBox Name="textBox_Chat" Grid.Column="1" HorizontalAlignment="Left" Margin="59,10,0,0" Grid.Row="3" Text="TextBox" TextWrapping="Wrap" VerticalAlignment="Top" Width="235"/>
+        <Button Content="Button" Grid.Column="1" HorizontalAlignment="Left" Margin="59,33,0,0" Grid.Row="3" VerticalAlignment="Top" Click="Button_Click"/>
+        <Button Content="Start Session" Grid.Column="1" HorizontalAlignment="Left" Margin="69,86,0,0" Grid.Row="3" VerticalAlignment="Top" Width="97" Click="StartSession_Click"/>
+        <Button Content="Stop Session" Grid.Column="1" HorizontalAlignment="Left" Margin="187,86,0,0" Grid.Row="3" VerticalAlignment="Top" Width="97" Click="StopSession_Click"/>
+        <TextBox x:Name="textBox_SetResistance" Grid.Column="1" HorizontalAlignment="Left" Margin="69,128,0,0" Grid.Row="3" TextWrapping="Wrap" VerticalAlignment="Top" Width="97"/>
+        <Button Content="Set Resistance" Grid.Column="1" HorizontalAlignment="Left" Margin="187,128,0,0" Grid.Row="3" VerticalAlignment="Top" Width="97" Height="18" Click="SetResistance_Click"/>
+        <Canvas Grid.Row="3" Background="White" Margin="0,33,0,0"/>
+        <ComboBox Name="DropBox" HorizontalAlignment="Left" Margin="0,6,0,0" Grid.Row="3" VerticalAlignment="Top" Width="190"/>
+        <Button Content="Client Info" Grid.Column="1" HorizontalAlignment="Left" Margin="207,6,0,0" VerticalAlignment="Top" Height="26" Width="82" Click="ClientInfo_Click"/>
+    </Grid>
+</UserControl>

DokterApp/UserControlForTab.xaml.cs

@@ -0,0 +1,59 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace DokterApp
+{
+    /// <summary>
+    /// Interaction logic for UserControlForTab.xaml
+    /// </summary>
+    public partial class UserControlForTab : UserControl
+    {
+        public UserControlForTab()
+        {
+            InitializeComponent();
+            Username_Label.Content = "Bob";
+            Status_Label.Content = "Status: Dead";
+        }
+
+        private void ListBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
+        {
+            
+        }
+        private void Button_Click(object sender, RoutedEventArgs e)
+        {
+            ChatBox.Items.Add(textBox_Chat.Text);
+        }
+
+        private void StartSession_Click(object sender, RoutedEventArgs e)
+        {
+
+        }
+
+        private void StopSession_Click(object sender, RoutedEventArgs e)
+        {
+
+        }
+
+        private void SetResistance_Click(object sender, RoutedEventArgs e)
+        {
+
+        }
+
+        private void ClientInfo_Click(object sender, RoutedEventArgs e)
+        {
+            MessageBox.Show("firstname:\tBob\n" +
+                "surname:\t\tde Bouwer");
+        }
+
+    }
+}

DokterApp/UserTab.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace DokterApp
+{
+    class UserTab : Tab
+    {
+        public UserTab()
+        {
+            Name = "Piet";
+        }
+    }
+}

DokterApp/WindowTabs.xaml

@@ -0,0 +1,16 @@
+<Window x:Class="DokterApp.WindowTabs"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:DokterApp"
+        mc:Ignorable="d"
+        WindowState="Maximized"
+        Title="WindowTabs" Height="450" Width="800">
+    <Grid>
+        <TabControl x:Name="tabControl" Loaded="tabControl_Load" TabStripPlacement="Left" Margin="0,23,0,0" />
+        <Button Content="Button" HorizontalAlignment="Left" Margin="578,125,0,0" VerticalAlignment="Top" Click="Button_Click"/>
+        <Button Content="Button" HorizontalAlignment="Left" Margin="10,0,0,0" VerticalAlignment="Top"/>
+
+    </Grid>
+</Window>

DokterApp/WindowTabs.xaml.cs

@@ -0,0 +1,53 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Text;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Shapes;
+
+namespace DokterApp
+{
+    /// <summary>
+    /// Interaction logic for WindowTabs.xaml
+    /// </summary>
+    public partial class WindowTabs : Window
+    {
+        public TabControl tbControl;
+        public WindowTabs()
+        {
+            InitializeComponent();
+        }
+
+        private void tabControl_Load(object sender, RoutedEventArgs e)
+        {
+            this.tbControl = (sender as TabControl);
+        }
+
+        private void Button_Click(object sender, RoutedEventArgs e)
+        {
+            NewTab("Test");
+        }
+
+        public void NewTab(string username)
+        {
+            Application.Current.Dispatcher.Invoke((Action)delegate {
+                // your code
+                TabItem newTabItem = new TabItem
+                {
+                    Header = username,
+                    Width = 110,
+                    Height = 40
+                };
+                newTabItem.Content = new UserControlForTab();
+                this.tbControl.Items.Add(newTabItem);
+            });
+            
+        }
+    }
+}

Hashing/Hasher.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Security.Cryptography;
+using System.Text;
+
+namespace Hashing
+{
+    class Hasher
+    {
+        public static byte[] GetHash(string input)
+        {
+            using (HashAlgorithm algorithm = SHA256.Create())
+            {
+                return algorithm.ComputeHash(Encoding.UTF8.GetBytes(input));
+            }
+        }
+
+        public static string HashString(string input)
+        {
+            StringBuilder sb = new StringBuilder();
+            foreach (byte b in GetHash(input)) {
+                sb.Append(b.ToString("X2"));
+            }
+            return sb.ToString();
+        }
+    }
+}

Hashing/Hashing.projitems

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
+    <HasSharedItems>true</HasSharedItems>
+    <SharedGUID>70277749-d423-4871-b692-2efc5a6ed932</SharedGUID>
+  </PropertyGroup>
+  <PropertyGroup Label="Configuration">
+    <Import_RootNamespace>Hashing</Import_RootNamespace>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="$(MSBuildThisFileDirectory)Hasher.cs" />
+  </ItemGroup>
+</Project>

Hashing/Hashing.shproj

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>70277749-d423-4871-b692-2efc5a6ed932</ProjectGuid>
+    <MinimumVisualStudioVersion>14.0</MinimumVisualStudioVersion>
+  </PropertyGroup>
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\CodeSharing\Microsoft.CodeSharing.Common.Default.props" />
+  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\CodeSharing\Microsoft.CodeSharing.Common.props" />
+  <PropertyGroup />
+  <Import Project="Hashing.projitems" Label="Shared" />
+  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\CodeSharing\Microsoft.CodeSharing.CSharp.targets" />
+</Project>

Message/Message.cs

@@ -60,6 +60,9 @@ namespace Message
         }
     }
 
+    /// <summary>
+    /// Identifier enum for the Message objects
+    /// </summary>
     public enum Identifier
     {
         LOGIN,

ProftaakRH/BLEHandler.cs

@@ -11,9 +11,9 @@ namespace Hardware
     /// <summary>
     /// <c>BLEHandler</c> class that handles connection and traffic to and from the bike
     /// </summary>
-    public class BLEHandler
+    public class BLEHandler : IHandler
     {
-        IDataReceiver dataReceiver;
+        List<IDataReceiver> dataReceivers;
         private BLE bleBike;
         private BLE bleHeart;
         public bool Running { get; set; }
@@ -24,7 +24,19 @@ namespace Hardware
         /// <param name="dataReceiver">the dataconverter object</param>
         public BLEHandler(IDataReceiver dataReceiver)
         {
-            this.dataReceiver = dataReceiver;
+            this.dataReceivers = new List<IDataReceiver> { dataReceiver };
+
+        }
+
+        public BLEHandler(List<IDataReceiver> dataReceivers)
+        {
+            this.dataReceivers = dataReceivers;
+
+        }
+
+        public void addDataReceiver(IDataReceiver dataReceiver)
+        {
+            this.dataReceivers.Add(dataReceiver);
         }
 
         /// <summary>
@@ -33,6 +45,7 @@ namespace Hardware
         public void Connect()
         {
             BLE bleBike = new BLE();
+
             Thread.Sleep(1000); // We need some time to list available devices
 
             // List available devices
@@ -125,11 +138,17 @@ namespace Hardware
             {
                 byte[] payload = new byte[8];
                 Array.Copy(e.Data, 4, payload, 0, 8);
-                this.dataReceiver.Bike(payload);
+                foreach (IDataReceiver dataReceiver in this.dataReceivers)
+                {
+                    dataReceiver.Bike(payload);
+                }
             }
             else if (e.ServiceName == "00002a37-0000-1000-8000-00805f9b34fb")
             {
-                this.dataReceiver.BPM(e.Data);
+                foreach (IDataReceiver dataReceiver in this.dataReceivers)
+                {
+                    dataReceiver.BPM(e.Data);
+                }
             }
             else
             {
@@ -154,6 +173,11 @@ namespace Hardware
         /// <param name="percentage">The precentage of resistance to set</param>
         public void setResistance(float percentage)
         {
+            if (!this.Running)
+            {
+                Console.WriteLine("BLE is not running");
+                return;
+            }
             byte[] antMessage = new byte[13];
             antMessage[0] = 0x4A;
             antMessage[1] = 0x09;

ProftaakRH/BikeSimulator.cs

@@ -12,7 +12,7 @@ namespace Hardware.Simulators
 {
     public class BikeSimulator : IHandler
     {
-        IDataReceiver dataReceiver;
+        List<IDataReceiver> dataReceivers;
         private int elapsedTime = 0;
         private int eventCounter = 0;
         private double distanceTraveled = 0;
@@ -32,7 +32,17 @@ namespace Hardware.Simulators
 
         public BikeSimulator(IDataReceiver dataReceiver)
         {
-            this.dataReceiver = dataReceiver;
+            this.dataReceivers = new List<IDataReceiver> { dataReceiver };
+        }
+
+        public BikeSimulator(List<IDataReceiver> dataReceivers)
+        {
+            this.dataReceivers = dataReceivers;
+        }
+
+        public void addDataReceiver(IDataReceiver dataReceiver)
+        {
+            this.dataReceivers.Add(dataReceiver);
         }
 
         public void StartSimulation()
@@ -50,9 +60,12 @@ namespace Hardware.Simulators
                 CalculateVariables(improvedPerlin.GetValue(x) + 1);
 
                 //Simulate sending data
-                dataReceiver.Bike(GenerateBike0x19());
+                foreach (IDataReceiver dataReceiver in this.dataReceivers)
-                dataReceiver.Bike(GenerateBike0x10());
+                {
-                dataReceiver.BPM(GenerateHeart());
+                    dataReceiver.Bike(GenerateBike0x19());
+                    dataReceiver.Bike(GenerateBike0x10());
+                    dataReceiver.BPM(GenerateHeart());
+                }
 
                 Thread.Sleep(1000);
 
@@ -85,32 +98,7 @@ namespace Hardware.Simulators
             return hartByte;
         }
 
-        //Generate an ANT message for resistance
-        public byte[] GenerateResistance(float percentage)
-        {
-            byte[] antMessage = new byte[13];
-            antMessage[0] = 0x4A;
-            antMessage[1] = 0x09;
-            antMessage[2] = 0x4E;
-            antMessage[3] = 0x05;
-            antMessage[4] = 0x30;
-            for (int i = 5; i < 11; i++)
-            {
-                antMessage[i] = 0xFF;
-            }
-            antMessage[11] = (byte)Math.Max(Math.Min(Math.Round(percentage / 0.5), 255), 0);
-            //antMessage[11] = 50; //hardcoded for testing
 
-            byte checksum = 0;
-            for (int i = 0; i < 12; i++)
-            {
-                checksum ^= antMessage[i];
-            }
-
-            antMessage[12] = checksum;//reminder that i am dumb :P
-
-            return antMessage;
-        }
 
         //Calculates the needed variables
         //Input perlin value
@@ -130,20 +118,11 @@ namespace Hardware.Simulators
         }
 
         //Set resistance in simulated bike
-        public void setResistance(byte[] bytes)
+        public void setResistance(float percentage)
         {
-            //TODO check if message is correct
+            this.resistance = (byte)Math.Max(Math.Min(Math.Round(percentage / 0.5), 255), 0);
-            if (bytes.Length == 13)
-            {
-                this.resistance = Convert.ToDouble(bytes[11]) / 2;
-            }
         }
-    }
-
-    //Interface for receiving a message on the simulated bike
-    interface IHandler
-    {
-        void setResistance(byte[] bytes);
 
     }
+
 }

ProftaakRH/IHandler.cs

@@ -0,0 +1,11 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace ProftaakRH
+{
+    public interface IHandler
+    {
+        void setResistance(float percentage);
+    }
+}

ProftaakRH/Main.cs

@@ -13,9 +13,9 @@ namespace ProftaakRH
         {
             IDataReceiver dataReceiver = new DataConverter();
             BLEHandler bLEHandler = new BLEHandler(dataReceiver);
-            //BikeSimulator bikeSimulator = new BikeSimulator(dataConverter);
+            BikeSimulator bikeSimulator = new BikeSimulator(dataReceiver);
-            //bikeSimulator.setResistance(bikeSimulator.GenerateResistance(1f));
+            bikeSimulator.setResistance(1);
-            //bikeSimulator.StartSimulation();
+            bikeSimulator.StartSimulation();
 
 
             bool running = true;

ProftaakRH/ProftaakRH.sln

@@ -7,13 +7,23 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ProftaakRH", "ProftaakRH.cs
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "RH-Engine", "..\RH-Engine\RH-Engine.csproj", "{984E295E-47A2-41E7-90E5-50FDB9E67694}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Server", "..\Server\Server.csproj", "{B1AB6F51-A20D-4162-9A7F-B3350B7510FD}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Server", "..\Server\Server.csproj", "{B1AB6F51-A20D-4162-9A7F-B3350B7510FD}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Client", "..\Client\Client.csproj", "{5759DD20-7A4F-4D8D-B986-A70A7818C112}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Client", "..\Client\Client.csproj", "{5759DD20-7A4F-4D8D-B986-A70A7818C112}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Message", "..\Message\Message.csproj", "{9ED6832D-B0FB-4460-9BCD-FAA58863B0CE}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Message", "..\Message\Message.csproj", "{9ED6832D-B0FB-4460-9BCD-FAA58863B0CE}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "DokterApp", "..\DokterApp\DokterApp.csproj", "{B150F08B-13DA-4D17-BD96-7E89F52727C6}"
+EndProject
+Project("{D954291E-2A0B-460D-934E-DC6B0785DB48}") = "Hashing", "..\Hashing\Hashing.shproj", "{70277749-D423-4871-B692-2EFC5A6ED932}"
 EndProject
 Global
+	GlobalSection(SharedMSBuildProjectFiles) = preSolution
+		..\Hashing\Hashing.projitems*{5759dd20-7a4f-4d8d-b986-a70a7818c112}*SharedItemsImports = 5
+		..\Hashing\Hashing.projitems*{70277749-d423-4871-b692-2efc5a6ed932}*SharedItemsImports = 13
+		..\Hashing\Hashing.projitems*{b150f08b-13da-4d17-bd96-7e89f52727c6}*SharedItemsImports = 5
+		..\Hashing\Hashing.projitems*{b1ab6f51-a20d-4162-9a7f-b3350b7510fd}*SharedItemsImports = 5
+	EndGlobalSection
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
 		Release|Any CPU = Release|Any CPU
@@ -39,6 +49,10 @@ Global
 		{9ED6832D-B0FB-4460-9BCD-FAA58863B0CE}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{9ED6832D-B0FB-4460-9BCD-FAA58863B0CE}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{9ED6832D-B0FB-4460-9BCD-FAA58863B0CE}.Release|Any CPU.Build.0 = Release|Any CPU
+		{B150F08B-13DA-4D17-BD96-7E89F52727C6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B150F08B-13DA-4D17-BD96-7E89F52727C6}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B150F08B-13DA-4D17-BD96-7E89F52727C6}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B150F08B-13DA-4D17-BD96-7E89F52727C6}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

RH-Engine/Command.cs

@@ -1,14 +1,10 @@
 using LibNoise.Primitive;
 using Newtonsoft.Json;
 using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Text;
-using System.Threading;
 
 namespace RH_Engine
 {
-    class Command
+    public class Command
     {
         public const string STANDARD_HEAD = "Head";
         public const string STANDARD_GROUND = "GroundPlane";
@@ -16,9 +12,7 @@ namespace RH_Engine
         public const string STANDARD_LEFTHAND = "LeftHand";
         public const string STANDARD_RIGHTHAND = "RightHand";
 
-
+        private string tunnelID;
-
-        string tunnelID;
 
         public Command(string tunnelID)
         {
@@ -35,10 +29,10 @@ namespace RH_Engine
                     size = sizeArray,
                     heights = heightsArray
                 }
-
             };
             return JsonConvert.SerializeObject(Payload(payload));
         }
+
         public string AddLayer(string uid, string texture)
         {
             dynamic payload = new
@@ -56,6 +50,7 @@ namespace RH_Engine
             };
             return JsonConvert.SerializeObject(Payload(payload));
         }
+
         public string UpdateTerrain()
         {
             dynamic payload = new
@@ -63,7 +58,6 @@ namespace RH_Engine
                 id = "scene/terrain/update",
                 data = new
                 {
-
                 }
             };
             return JsonConvert.SerializeObject(Payload(payload));
@@ -89,39 +83,138 @@ namespace RH_Engine
             return JsonConvert.SerializeObject(Payload(payload));
         }
 
-        public string DeleteNode(string uuid)
+        public string DeleteNode(string uuid, string serialCode)
         {
-
             dynamic payload = new
             {
                 id = "scene/node/delete",
+                serial = serialCode,
                 data = new
                 {
                     id = uuid,
-
                 }
-
             };
             return JsonConvert.SerializeObject(Payload(payload));
-
         }
 
-        public string AddBikeModel()
+        public string addPanel(string serialToSend, string uuidBike)
         {
-            return AddModel("bike", "data\\NetworkEngine\\models\\bike\\bike.fbx");
+            dynamic payload = new
+            {
+                id = "scene/node/add",
+                serial = serialToSend,
+                data = new
+                {
+                    name = "dashboard",
+                    components = new
+                    {
+                        panel = new
+                        {
+                            size = new int[] { 1, 1 },
+                            resolution = new int[] { 512, 512 },
+                            background = new int[] { 1, 1, 1, 1 },
+                            castShadow = false
+                        }
+                    }
+                }
+            };
+
+            return JsonConvert.SerializeObject(Payload(payload));
         }
 
-        public string AddModel(string nodeName, string fileLocation)
+        public string ColorPanel(string uuidPanel)
         {
-            return AddModel(nodeName, fileLocation, null, new float[] { 0, 0, 0 }, 1, new float[] { 0, 0, 0 });
+            dynamic payload = new
+            {
+                id = "scene/panel/setclearcolor",
+                data = new
+                {
+                    id = uuidPanel,
+                    color = new int[] { 1, 1, 1, 1 }
+                }
+            };
+
+            return JsonConvert.SerializeObject(Payload(payload));
         }
 
-        public string AddModel(string nodeName, string fileLocation, float[] positionVector, float scalar, float[] rotationVector)
+        public string SwapPanel(string uuid)
         {
-            return AddModel(nodeName, fileLocation, null, positionVector, scalar, rotationVector);
+            dynamic payload = new
+            {
+                id = "scene/panel/swap",
+                data = new
+                {
+                    id = uuid
+                }
+            };
+
+            return JsonConvert.SerializeObject(Payload(payload));
         }
 
-        public string AddModel(string nodeName, string fileLocation, string animationLocation, float[] positionVector, float scalar, float[] rotationVector)
+        public string bikeSpeed(string uuidPanel, string serialCode, double speed)
+        {
+            dynamic payload = new
+            {
+                id = "scene/panel/drawtext",
+                serial = serialCode,
+                data = new
+                {
+                    id = uuidPanel,
+                    text = "Speed: " + speed.ToString(),
+                    position = new int[] { 4, 24 },
+                    size = 36.0,
+                    color = new int[] { 0, 0, 0, 1 },
+                    font = "segoeui"
+                }
+            };
+
+            return JsonConvert.SerializeObject(Payload(payload));
+        }
+
+        public string SwapPanelCommand(string uuid)
+        {
+            dynamic payload = new
+            {
+                id = "scene/panel/swap",
+                data = new
+                {
+                    id = uuid
+                }
+            };
+
+            return JsonConvert.SerializeObject(Payload(payload));
+        }
+
+        public string ClearPanel(string uuid)
+        {
+            dynamic payload = new
+            {
+                id = "scene/panel/clear",
+                data = new
+                {
+                    id = uuid
+                }
+            };
+
+            return JsonConvert.SerializeObject(Payload(payload));
+        }
+
+        public string AddBikeModel(string serial)
+        {
+            return AddModel("bike", serial, "data\\NetworkEngine\\models\\bike\\bike.fbx");
+        }
+
+        public string AddModel(string nodeName, string serial, string fileLocation)
+        {
+            return AddModel(nodeName, serial, fileLocation, null, new float[] { 0, 0, 0 }, 1, new float[] { 0, 0, 0 });
+        }
+
+        public string AddModel(string nodeName, string serial, string fileLocation, float[] positionVector, float scalar, float[] rotationVector)
+        {
+            return AddModel(nodeName, serial, fileLocation, null, positionVector, scalar, rotationVector);
+        }
+
+        public string AddModel(string nodeName, string serialToSend, string fileLocation, string animationLocation, float[] positionVector, float scalar, float[] rotationVector)
         {
             string namename = nodeName;
             bool animatedBool = false;
@@ -133,6 +226,7 @@ namespace RH_Engine
             dynamic payload = new
             {
                 id = "scene/node/add",
+                serial = serialToSend,
                 data = new
                 {
                     name = namename,
@@ -143,7 +237,6 @@ namespace RH_Engine
                             position = positionVector,
                             scale = scalar,
                             rotation = rotationVector
-
                         },
                         model = new
                         {
@@ -154,21 +247,21 @@ namespace RH_Engine
                         },
                     }
                 }
-
             };
             return JsonConvert.SerializeObject(Payload(payload));
         }
 
-        public string MoveTo(string uuid, float[] positionVector, float rotateValue, float speedValue, float timeValue)
+        public string MoveTo(string uuid, string serial, float[] positionVector, string rotateValue, int speedValue, int timeValue)
         {
-            return MoveTo(uuid, "idk", positionVector, rotateValue, "linear", false, speedValue, timeValue);
+            return MoveTo(uuid, serial, "stop", positionVector, rotateValue, "linear", false, speedValue, timeValue);
         }
 
-        private string MoveTo(string uuid, string stopValue, float[] positionVector, float rotateValue, string interpolateValue, bool followHeightValue, float speedValue, float timeValue)
+        private string MoveTo(string uuid, string serialCode, string stopValue, float[] positionVector, string rotateValue, string interpolateValue, bool followHeightValue, int speedValue, int timeValue)
         {
             dynamic payload = new
             {
                 id = "scene/node/moveto",
+                serial = serialCode,
                 data = new
                 {
                     id = uuid,
@@ -184,14 +277,14 @@ namespace RH_Engine
             return JsonConvert.SerializeObject(Payload(payload));
         }
 
-
+        public string RouteCommand(string serialToSend)
-        public string RouteCommand()
         {
             ImprovedPerlin improvedPerlin = new ImprovedPerlin(4325, LibNoise.NoiseQuality.Best);
             Random r = new Random();
             dynamic payload = new
             {
                 id = "route/add",
+                serial = serialToSend,
                 data = new
                 {
                     nodes = new dynamic[]
@@ -228,7 +321,7 @@ namespace RH_Engine
                     }
                 }
             };
-            Console.WriteLine("route command: " + JsonConvert.SerializeObject(Payload(payload)));
+            //Console.WriteLine("route command: " + JsonConvert.SerializeObject(Payload(payload)));
             return JsonConvert.SerializeObject(Payload(payload));
         }
 
@@ -241,13 +334,44 @@ namespace RH_Engine
         private int[] GetDir()
         {
             Random rng = new Random();
-            int[] dir = {rng.Next(50), 0, rng.Next(50)};
+            int[] dir = { rng.Next(50), 0, rng.Next(50) };
             return dir;
         }
 
-        public string FollowRouteCommand()
+        public string RouteFollow(string routeID, string nodeID, float speedValue)
         {
-            return "";
+            return RouteFollow(routeID, nodeID, speedValue, new float[] { 0, 0, 0 });
+        }
+
+        public string RouteFollow(string routeID, string nodeID, float speedValue, float[] rotateOffsetVector, float[] positionOffsetVector)
+        {
+            return RouteFollow(routeID, nodeID, speedValue, 0, "XYZ", 1, true, rotateOffsetVector, positionOffsetVector);
+        }
+
+        public string RouteFollow(string routeID, string nodeID, float speedValue, float[] positionOffsetVector)
+        {
+            return RouteFollow(routeID, nodeID, speedValue, 0, "XYZ", 1, true, new float[] { 0, 0, 0 }, positionOffsetVector);
+        }
+        public string RouteFollow(string routeID, string nodeID, float speedValue, float offsetValue, string rotateValue, float smoothingValue, bool followHeightValue, float[] rotateOffsetVector, float[] positionOffsetVector)
+        {
+            dynamic payload = new
+            {
+                id = "route/follow",
+                data = new
+                {
+                    route = routeID,
+                    node = nodeID,
+                    speed = speedValue,
+                    offset = offsetValue,
+                    rotate = rotateValue,
+                    smoothing = smoothingValue,
+                    followHeight = followHeightValue,
+                    rotateOffset = rotateOffsetVector,
+                    positionOffset = positionOffsetVector
+
+                }
+            };
+            return JsonConvert.SerializeObject(Payload(payload));
         }
 
         public string RoadCommand(string uuid_route)
@@ -268,11 +392,12 @@ namespace RH_Engine
             return JsonConvert.SerializeObject(Payload(payload));
         }
 
-        public string GetSceneInfoCommand()
+        public string GetSceneInfoCommand(string serialToSend)
         {
             dynamic payload = new
             {
-                id = "scene/get"
+                id = "scene/get",
+                serial = serialToSend
             };
 
             return JsonConvert.SerializeObject(Payload(payload));
@@ -282,7 +407,8 @@ namespace RH_Engine
         {
             dynamic payload = new
             {
-                id = "scene/reset"
+                id = "scene/reset",
+                serial = "reset"
             };
 
             return JsonConvert.SerializeObject(Payload(payload));
@@ -295,7 +421,6 @@ namespace RH_Engine
                 throw new Exception("The time must be between 0 and 24!");
             }
 
-
             dynamic payload = new
             {
                 id = "scene/skybox/settime",
@@ -303,13 +428,10 @@ namespace RH_Engine
                 {
                     time = timeToSet
                 }
-
             };
             return JsonConvert.SerializeObject(Payload(payload));
-
         }
 
-
         private object Payload(dynamic message)
         {
             return new
@@ -322,8 +444,5 @@ namespace RH_Engine
                 }
             };
         }
-
-
-
     }
 }

RH-Engine/JSONParser.cs

@@ -1,13 +1,9 @@
-using System;
+using Newtonsoft.Json;
-using System.Collections.Generic;
+using System;
-using System.IO;
-using System.Net.Sockets;
-using System.Text;
-using Newtonsoft.Json;
 
 namespace RH_Engine
 {
-    class JSONParser
+    public class JSONParser
     {
         /// <summary>
         /// returns all the users from the given response
@@ -27,21 +23,34 @@ namespace RH_Engine
             }
 
             return res;
+        }
 
+        public static string GetIdSceneInfoChild(string msg, string nodeName)
+        {
+            dynamic jsonData = JsonConvert.DeserializeObject(msg);
+            Newtonsoft.Json.Linq.JArray children = jsonData.data.data.data.children;
+            foreach (dynamic d in children)
+            {
+                if (d.name == nodeName)
+                {
+                    return d.uuid;
+                }
+            }
+            return null;
         }
 
         public static string GetSessionID(string msg, PC[] PCs)
         {
             dynamic jsonData = JsonConvert.DeserializeObject(msg);
             Newtonsoft.Json.Linq.JArray data = jsonData.data;
-            for (int i = data.Count-1; i >= 0; i--)
+            for (int i = data.Count - 1; i >= 0; i--)
             {
                 dynamic d = data[i];
                 foreach (PC pc in PCs)
                 {
                     if (d.clientinfo.host == pc.host && d.clientinfo.user == pc.user)
                     {
-                        Console.WriteLine("connecting to {0}, on {1} with id {2}", pc.user, pc.host, d.id);
+                        Console.WriteLine("[JSONPARSER] connecting to {0}, on {1} with id {2}", pc.user, pc.host, d.id);
                         return d.id;
                     }
                 }
@@ -50,6 +59,24 @@ namespace RH_Engine
             return null;
         }
 
+        public static bool GetStatus(string json)
+        {
+            dynamic jsonData = JsonConvert.DeserializeObject(json);
+            return jsonData.data.data.status == "ok";
+        }
+
+        public static string GetSerial(string json)
+        {
+            dynamic jsonData = JsonConvert.DeserializeObject(json);
+            return jsonData.data.data.serial;
+        }
+
+        public static string GetID(string json)
+        {
+            dynamic d = JsonConvert.DeserializeObject(json);
+            return d.id;
+        }
+
         public static string GetTunnelID(string json)
         {
             dynamic jsonData = JsonConvert.DeserializeObject(json);
@@ -60,15 +87,30 @@ namespace RH_Engine
             return null;
         }
 
-        public static string GetRouteID(string json)
+        /// <summary>
+        /// method to get the uuid from requests for adding a node,route or road
+        /// </summary>
+        /// <param name="json">the json response froo the server</param>
+        /// <returns>the uuid of the created object</returns>
+        public static string GetResponseUuid(string json)
         {
             dynamic jsonData = JsonConvert.DeserializeObject(json);
-            if (jsonData.data.status == "ok")
+            if (jsonData.data.data.status == "ok")
             {
-                return jsonData.data.uuid;
+                return jsonData.data.data.data.uuid;
             }
             return null;
         }
 
+        public static string getPanelID(string json)
+        {
+            dynamic jsonData = JsonConvert.DeserializeObject(json);
+            if (jsonData.data.data.data.name == "dashboard")
+            {
+                Console.WriteLine(jsonData.data.data.data.uuid);
+                return jsonData.data.data.data.uuid;
+            }
+            return null;
+        }
     }
 }

RH-Engine/Program.cs

@@ -1,35 +1,101 @@
-using LibNoise.Primitive;
+using LibNoise.Primitive;
+using Microsoft.VisualBasic.FileIO;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using System;
-using System.Globalization;
+using System.Collections.Generic;
-using System.IO;
 using System.Net.Sockets;
-using System.Runtime.Intrinsics.X86;
-using System.Security.Cryptography.X509Certificates;
 using System.Text;
-using System.Threading;
 
 namespace RH_Engine
 {
+    public delegate void HandleSerial(string message);
 
-    internal class Program
+    public class Program
     {
         private static PC[] PCs = {
             //new PC("DESKTOP-M2CIH87", "Fabian"),
-            new PC("T470S", "Shinichi"),
+            //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"),
+            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 cameraId = string.Empty;
+        private static string routeId = string.Empty;
+        private static string panelId = string.Empty;
+        private static string bikeId = string.Empty;
+        private static string headId = string.Empty;
+
+        private static Dictionary<string, HandleSerial> serialResponses = new Dictionary<string, HandleSerial>();
+
         private static void Main(string[] args)
         {
             TcpClient client = new TcpClient("145.48.6.10", 6666);
 
             CreateConnection(client.GetStream());
+        }
 
+        /// <summary>
+        /// initializes and starts the reading of the responses from the vr server
+        /// </summary>
+        /// <param name="stream">the networkstream</param>
+        private static void initReader(NetworkStream stream)
+        {
+            serverResponseReader = new ServerResponseReader(stream);
+            serverResponseReader.callback = HandleResponse;
+            serverResponseReader.StartRead();
+        }
 
+        /// <summary>
+        /// callback method that handles responses from the server
+        /// </summary>
+        /// <param name="message">the response message from the server</param>
+        public static void HandleResponse(string message)
+        {
+            //Console.WriteLine(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)
+                {
+                    Console.WriteLine("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 static void SendMessageAndOnResponse(NetworkStream stream, string message, string serial, HandleSerial action)
+        {
+            serialResponses.Add(serial, action);
+            WriteTextMessage(stream, message);
         }
 
         /// <summary>
@@ -50,62 +116,27 @@ namespace RH_Engine
             //Console.WriteLine("sent message " + message);
         }
 
-        /// <summary>
-        /// reads a response from the server
-        /// </summary>
-        /// <param name="stream">the network stream to use</param>
-        /// <returns>the returned message from the server</returns>
-        public static string ReadPrefMessage(NetworkStream stream)
-        {
-            byte[] lengthBytes = new byte[4];
-
-            stream.Read(lengthBytes, 0, 4);
-            Console.WriteLine("read message..");
-
-            int length = BitConverter.ToInt32(lengthBytes);
-
-            //Console.WriteLine("length is: " + length);
-
-            byte[] buffer = new byte[length];
-            int totalRead = 0;
-
-            //read bytes until stream indicates there are no more
-            do
-            {
-                int read = stream.Read(buffer, totalRead, buffer.Length - totalRead);
-                totalRead += read;
-                //Console.WriteLine("ReadMessage: " + read);
-            } while (totalRead < length);
-
-            return Encoding.UTF8.GetString(buffer, 0, totalRead);
-        }
         /// <summary>
         /// connects to the server and creates the tunnel
         /// </summary>
         /// <param name="stream">the network stream to use</param>
         private static void CreateConnection(NetworkStream stream)
         {
-            WriteTextMessage(stream, "{\r\n\"id\" : \"session/list\"\r\n}");
+            initReader(stream);
-            string id = JSONParser.GetSessionID(ReadPrefMessage(stream), PCs);
 
-            string tunnelCreate = "{\"id\" : \"tunnel/create\",	\"data\" :	{\"session\" : \"" + id + "\"}}";
+            WriteTextMessage(stream, "{\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(stream, tunnelCreate);
 
-            string tunnelResponse = ReadPrefMessage(stream);
+            // wait until we have a tunnel id
-
+            while (tunnelId == string.Empty) { }
-            Console.WriteLine(tunnelResponse);
+            Console.WriteLine("got tunnel id! sending commands...");
-
+            sendCommands(stream, tunnelId);
-            string tunnelID = JSONParser.GetTunnelID(tunnelResponse);
-            if (tunnelID == null)
-            {
-                Console.WriteLine("could not find a valid tunnel id!");
-                return;
-            }
-
-            sendCommands(stream, tunnelID);
-
-
         }
 
         /// <summary>
@@ -117,27 +148,83 @@ namespace RH_Engine
         {
             Command mainCommand = new Command(tunnelID);
 
-
+            // Reset scene
             WriteTextMessage(stream, mainCommand.ResetScene());
-            ReadPrefMessage(stream);
+            //headId = GetId("Root", stream, mainCommand);
-            string routeid = CreateRoute(stream, mainCommand);
+            //while (headId == string.Empty) { }
 
-            WriteTextMessage(stream, mainCommand.TerrainCommand(new int[] { 256, 256 }, null));
+            //Get sceneinfo
-            Console.WriteLine(ReadPrefMessage(stream));
+            SendMessageAndOnResponse(stream, mainCommand.GetSceneInfoCommand("sceneinfo"), "sceneinfo",
-            string command;
+                (message) =>
+                {
+                    //Console.WriteLine("\r\n\r\n\r\nscene info" + message);
+                    cameraId = JSONParser.GetIdSceneInfoChild(message, "Camera");
+                    string headId = JSONParser.GetIdSceneInfoChild(message, "Head");
+                    string handLeftId = JSONParser.GetIdSceneInfoChild(message, "LeftHand");
+                    string handRightId = JSONParser.GetIdSceneInfoChild(message, "RightHand");
 
-            command = mainCommand.AddBikeModel();
+                    //Force(stream, mainCommand.DeleteNode(handLeftId, "deleteHandL"), "deleteHandL", (message) => Console.WriteLine("Left hand deleted"));
+                    //Force(stream, mainCommand.DeleteNode(handRightId, "deleteHandR"), "deleteHandR", (message) => Console.WriteLine("Right hand deleted"));
+                });
 
-            WriteTextMessage(stream, command);
+            //Add route, bike and put camera and bike to follow route at same speed.
+            SendMessageAndOnResponse(stream, mainCommand.RouteCommand("routeID"), "routeID", (message) => routeId = JSONParser.GetResponseUuid(message));
+            SendMessageAndOnResponse(stream, mainCommand.AddBikeModel("bikeID"), "bikeID",
+                (message) =>
+                {
+                bikeId = JSONParser.GetResponseUuid(message);
+                    SendMessageAndOnResponse(stream, mainCommand.addPanel("panelAdd", bikeId), "panelAdd",
+                        (message) =>
+                            {
+                                bool speedReplied = false;
+                                bool moveReplied = true;
+                                panelId = JSONParser.getPanelID(message);
+                                WriteTextMessage(stream, mainCommand.ClearPanel(panelId));
                                 
-            Console.WriteLine(ReadPrefMessage(stream));
 
-            command = mainCommand.AddModel("car", "data\\customModels\\TeslaRoadster.fbx");
+                                SendMessageAndOnResponse(stream, mainCommand.MoveTo(panelId, "panelMove", new float[] { 0f, 0f, 0f }, "Z", 1, 5), "panelMove",
+                                    (message) =>
+                                    {
+                                        Console.WriteLine(message);
+                                        SendMessageAndOnResponse(stream, mainCommand.bikeSpeed(panelId, "bikeSpeed", 5.0), "bikeSpeed",
+                                            (message) =>
+                                                {
+                                                    WriteTextMessage(stream, mainCommand.SwapPanel(panelId));
+                                                });
+                                    });
 
-            WriteTextMessage(stream, command);
 
-            Console.WriteLine(ReadPrefMessage(stream));
+                                //while (!(speedReplied && moveReplied)) { }
                                 
+                                while (cameraId == string.Empty) { }
+                                SetFollowSpeed(5.0f, stream, mainCommand);
+                            });
+                });
+            
+                //Force(stream, mainCommand.addPanel("panelID", bikeId), "panelID",
+                //    (message) =>
+                //    {
+                //        Console.WriteLine("panel response: " + message);
+                //        panelId = JSONParser.GetResponseUuid(message);
+                //        while(bikeId == string.Empty) { }
+                //        SetFollowSpeed(5.0f, stream, mainCommand);
+                //    });
+                //SendMessageAndOnResponse(stream, maincommand.addpanel("panelid", bikeid), "panelid",
+                //    (message) =>
+                //    {
+                //        console.writeline("panelid: " + message);
+                //        //panelid = jsonparser.getpanelid(message);
+                //        panelid = jsonparser.getresponseuuid(message);
+                //        while (bikeid == string.empty) { }
+                //        setfollowspeed(5.0f, stream, maincommand);
+                //    });
+
+
+
+            //WriteTextMessage(stream, mainCommand.TerrainCommand(new int[] { 256, 256 }, null));
+            //string command;
+
+            Console.WriteLine("id of head " + GetId(Command.STANDARD_HEAD, stream, mainCommand));
         }
 
         /// <summary>
@@ -160,19 +247,6 @@ namespace RH_Engine
             }
             Console.WriteLine("Could not find id of " + name);
             return null;
-
-        }
-
-        public static string CreateRoute(NetworkStream stream, Command createGraphics)
-        {
-            WriteTextMessage(stream, createGraphics.RouteCommand());
-            dynamic response = JsonConvert.DeserializeObject(ReadPrefMessage(stream));
-            if (response.data.data.id == "route/add")
-            {
-                return response.data.data.data.uuid;
-            }
-            return null;
-
         }
 
         public static void CreateTerrain(NetworkStream stream, Command createGraphics)
@@ -185,12 +259,9 @@ namespace RH_Engine
                 height[i] = improvedPerlin.GetValue(x / 10, x / 10, x * 100) + 1;
                 x += 0.001f;
             }
-
             WriteTextMessage(stream, createGraphics.TerrainCommand(new int[] { 256, 256 }, height));
-            Console.WriteLine(ReadPrefMessage(stream));
 
             WriteTextMessage(stream, createGraphics.AddNodeCommand());
-            Console.WriteLine(ReadPrefMessage(stream));
         }
 
         /// <summary>
@@ -201,9 +272,14 @@ namespace RH_Engine
         /// <returns>all the children objects in the current scene</returns>
         public static JArray GetChildren(NetworkStream stream, Command createGraphics)
         {
-            WriteTextMessage(stream, createGraphics.GetSceneInfoCommand());
+            JArray res = null;
-            dynamic response = JsonConvert.DeserializeObject(ReadPrefMessage(stream));
+            SendMessageAndOnResponse(stream, createGraphics.GetSceneInfoCommand("getChildren"), "getChildren", (message) =>
-            return response.data.data.data.children;
+              {
+                  dynamic response = JsonConvert.DeserializeObject(message);
+                  res = response.data.data.data.children;
+              });
+            while (res == null) { }
+            return res;
         }
 
         /// <summary>
@@ -225,15 +301,31 @@ namespace RH_Engine
             }
 
             return res;
-
         }
 
-        public static string getUUIDFromResponse(string response)
+        private static void SetFollowSpeed(float speed, NetworkStream stream, Command mainCommand)
         {
-            dynamic JSON = JsonConvert.DeserializeObject(response);
+            WriteTextMessage(stream, mainCommand.RouteFollow(routeId, bikeId, speed, new float[] { 0, -(float)Math.PI / 2f, 0 }, new float[] { 0, 0, 0 }));
-            return JSON.data.data.data.uuid;
+            WriteTextMessage(stream, mainCommand.RouteFollow(routeId, cameraId, speed));
+            WriteTextMessage(stream, mainCommand.RouteFollow(routeId, panelId, speed, 0, "XYZ", 1, false, new float[] { 0, 0, 0 }, new float[] { 0f, 0f, 150f }));
+        }
+        //string routeID, string nodeID, float speedValue, float offsetValue, string rotateValue, float smoothingValue, bool followHeightValue, float[] rotateOffsetVector, float[] positionOffsetVector)
+        private static void Force(NetworkStream stream, string message, string serial, HandleSerial action)
+        {
+            SendMessageAndOnResponse(stream, message, serial,
+                (message) =>
+                {
+                    if (!JSONParser.GetStatus(message))
+                    {
+                        serialResponses.Remove(serial);
+                        Force(stream, message, serial,action);
+                    } else
+                    {
+                        action(message);
+                    }
+                }
+                );
         }
-
     }
 
     /// <summary>
@@ -246,6 +338,7 @@ namespace RH_Engine
             this.host = host;
             this.user = user;
         }
+
         public string host { get; }
         public string user { get; }
 

RH-Engine/Properties/launchSettings.json

@@ -0,0 +1,8 @@
+{
+  "profiles": {
+    "RH-Engine": {
+      "commandName": "Project",
+      "nativeDebugging": true
+    }
+  }
+}

RH-Engine/ServerResponseReader.cs

@@ -0,0 +1,77 @@
+using System;
+using System.Net.Sockets;
+using System.Text;
+using System.Threading;
+
+namespace RH_Engine
+{
+    public delegate void OnResponse(string response);
+
+    public class ServerResponseReader
+    {
+        public OnResponse callback
+        {
+            get; set;
+        }
+
+        public NetworkStream Stream { get; }
+
+        public ServerResponseReader(NetworkStream stream)
+        {
+            this.Stream = stream;
+        }
+
+        public void StartRead()
+        {
+            Thread t = new Thread(() =>
+            {
+                if (this.callback == null)
+                {
+                    throw new Exception("Callback not initialized!");
+                }
+                else
+                {
+                    Console.WriteLine("[SERVERRESPONSEREADER] Starting loop for reading");
+                    while (true)
+                    {
+                        string res = ReadPrefMessage(Stream);
+                        //Console.WriteLine("[SERVERRESPONSEREADER] got message from server: " + res);
+                        this.callback(res);
+                    }
+                }
+            });
+
+            t.Start();
+        }
+
+        /// <summary>
+        /// reads a response from the server
+        /// </summary>
+        /// <param name="stream">the network stream to use</param>
+        /// <returns>the returned message from the server</returns>
+        public static string ReadPrefMessage(NetworkStream stream)
+        {
+            byte[] lengthBytes = new byte[4];
+
+            int streamread = stream.Read(lengthBytes, 0, 4);
+            //Console.WriteLine("read message.. " + streamread);
+
+            int length = BitConverter.ToInt32(lengthBytes);
+
+            //Console.WriteLine("length is: " + length);
+
+            byte[] buffer = new byte[length];
+            int totalRead = 0;
+
+            //read bytes until stream indicates there are no more
+            do
+            {
+                int read = stream.Read(buffer, totalRead, buffer.Length - totalRead);
+                totalRead += read;
+                //Console.WriteLine("ReadMessage: " + read);
+            } while (totalRead < length);
+
+            return Encoding.UTF8.GetString(buffer, 0, totalRead);
+        }
+    }
+}

Server/Client.cs

@@ -1,8 +1,11 @@
 using System;
+using System.IO;
 using System.Linq;
 using System.Net.Sockets;
 using System.Text;
+using Client;
 using Newtonsoft.Json;
+using System.Security.Cryptography;
 
 namespace Server
 {
@@ -13,75 +16,217 @@ namespace Server
         private NetworkStream stream;
         private byte[] buffer = new byte[1024];
         private byte[] totalBuffer = new byte[1024];
-        private int bytesReceived;
+        private int totalBufferReceived = 0;
+        private SaveData saveData;
+        private string username = null;
+        private DateTime sessionStart;
+        private string fileName;
+
 
 
         public string Username { get; set; }
 
         public Client(Communication communication, TcpClient tcpClient)
         {
+            this.sessionStart = DateTime.Now;
             this.communication = communication;
             this.tcpClient = tcpClient;
             this.stream = this.tcpClient.GetStream();
+            this.fileName = Directory.GetCurrentDirectory() + "/userInfo.dat";
             stream.BeginRead(buffer, 0, buffer.Length, new AsyncCallback(OnRead), null);
         }
 
         private void OnRead(IAsyncResult ar)
         {
+            
             int receivedBytes = this.stream.EndRead(ar);
-            byte[] lengthBytes = new byte[4];
 
-            Array.Copy(this.buffer, 0, lengthBytes, 0, 4);
+            if (totalBufferReceived + receivedBytes > 1024)
-
-            int expectedMessageLength = BitConverter.ToInt32(lengthBytes);
-
-            if (expectedMessageLength > this.buffer.Length)
             {
-                throw new OutOfMemoryException("buffer to small");
+                throw new OutOfMemoryException("buffer too small");
             }
+            Array.Copy(buffer, 0, totalBuffer, totalBufferReceived, receivedBytes);
+            totalBufferReceived += receivedBytes;
 
-            if (expectedMessageLength > this.bytesReceived + receivedBytes)
+            int expectedMessageLength = BitConverter.ToInt32(totalBuffer, 0);
+            while (totalBufferReceived >= expectedMessageLength)
             {
-                //message hasn't completely arrived yet
+                //volledig packet binnen
-                this.bytesReceived += receivedBytes;
+                byte[] messageBytes = new byte[expectedMessageLength];
-                Console.WriteLine("segmented message, {0} arrived", receivedBytes);
+                Array.Copy(totalBuffer, 0, messageBytes, 0, expectedMessageLength);
-                this.stream.BeginRead(this.buffer, this.bytesReceived, this.buffer.Length - this.bytesReceived, new AsyncCallback(OnRead), null);
+                HandleData(messageBytes);
 
-            }
+                Array.Copy(totalBuffer, expectedMessageLength, totalBuffer, 0, (totalBufferReceived - expectedMessageLength)); //maybe unsafe idk 
-            else
-            {
-                //message completely arrived
-                if (expectedMessageLength != this.bytesReceived + receivedBytes)
-                {
-                    Console.WriteLine("something has gone completely wrong");
-                    Console.WriteLine($"expected: {expectedMessageLength} bytesReceive: {bytesReceived} receivedBytes: {receivedBytes}");
-                    Console.WriteLine($"received WEIRD data {BitConverter.ToString(buffer.Take(receivedBytes).ToArray())} string {Encoding.ASCII.GetString(buffer.Take(receivedBytes).ToArray())}");
 
-                }
+                totalBufferReceived -= expectedMessageLength;
-                else if (buffer[4] == 0x02)
+                expectedMessageLength = BitConverter.ToInt32(totalBuffer, 0);
+                if (expectedMessageLength <= 5)
                 {
-                    Console.WriteLine($"received raw data {BitConverter.ToString(buffer.Skip(5).Take(expectedMessageLength).ToArray())}");
+                    break;
                 }
-                else if (buffer[4] == 0x01)
-                {
-                    byte[] packet = new byte[expectedMessageLength];
-                    Console.WriteLine(Encoding.ASCII.GetString(buffer) + " " + expectedMessageLength);
-                    Array.Copy(buffer, 5, packet, 0, expectedMessageLength - 5);
-                    Console.WriteLine(Encoding.ASCII.GetString(packet));
-                    HandleData(Encoding.ASCII.GetString(packet));
-                }
-                this.bytesReceived = 0;
-
             }
 
             this.stream.BeginRead(this.buffer, 0, this.buffer.Length, new AsyncCallback(OnRead), null);
 
         }
 
-        private void HandleData(string packet)
+        private void OnWrite(IAsyncResult ar)
         {
-            Console.WriteLine("Data " + packet);
+            this.stream.EndWrite(ar);
-            JsonConvert.DeserializeObject(packet);
+        }
+
+
+        /// <summary>
+        /// TODO
+        /// </summary>
+        /// <param name="message">including message length and messageId (can be changed)</param>
+        private void HandleData(byte[] message)
+        {
+            //Console.WriteLine("Data " + packet);
+            //JsonConvert.DeserializeObject(packet);
+            //0x01 Json
+            //0x01 Raw data
+
+            byte[] payloadbytes = new byte[BitConverter.ToInt32(message, 0) - 5];
+
+            Array.Copy(message, 5, payloadbytes, 0, payloadbytes.Length);
+
+            string identifier;
+            bool isJson = DataParser.getJsonIdentifier(message, out identifier);
+            if (isJson)
+            {
+                switch (identifier)
+                {
+                    case DataParser.LOGIN:
+                        string username;
+                        string password;
+                        bool worked = DataParser.GetUsernamePassword(payloadbytes, out username, out password);
+                        if (worked)
+                        {
+                            if (verifyLogin(username, password))
+                            {
+                                Console.WriteLine("Log in");
+                                this.username = username;
+                                sendMessage(DataParser.getLoginResponse("OK"));
+                                sendMessage(DataParser.getStartSessionJson());
+                            }
+                            else
+                            {
+                                sendMessage(DataParser.getLoginResponse("wrong username or password"));
+                            }
+                        }
+                        else
+                        {
+                            sendMessage(DataParser.getLoginResponse("invalid json"));
+                        }
+                        break;
+                    case DataParser.START_SESSION:
+                        this.saveData = new SaveData(Directory.GetCurrentDirectory() + "/" + this.username + "/" + sessionStart.ToString("yyyy-MM-dd HH-mm-ss"));
+                        break;
+                    case DataParser.STOP_SESSION:
+                        this.saveData = null;
+                        break;
+                    case DataParser.SET_RESISTANCE:
+                        worked = DataParser.getResistanceFromResponseJson(payloadbytes);
+                        Console.WriteLine($"set resistance worked is " + worked);
+                        //set resistance on doctor GUI
+                        break;
+                    default:
+                        Console.WriteLine($"Received json with identifier {identifier}:\n{Encoding.ASCII.GetString(payloadbytes)}");
+                        break;
+                }
+                saveData?.WriteDataJSON(Encoding.ASCII.GetString(payloadbytes));
+
+                Array.Copy(message, 5, payloadbytes, 0, message.Length - 5);
+                dynamic json = JsonConvert.DeserializeObject(Encoding.ASCII.GetString(payloadbytes));
+
+            }
+            else if (DataParser.isRawData(message))
+            {
+                Console.WriteLine(BitConverter.ToString(payloadbytes));
+                if (payloadbytes.Length == 8)
+                {
+                    saveData?.WriteDataRAWBike(payloadbytes);
+                }
+                else if (payloadbytes.Length == 2)
+                {
+                    saveData?.WriteDataRAWBPM(payloadbytes);
+                }
+                else
+                {
+                    Console.WriteLine("received raw data with weird lenght " + BitConverter.ToString(payloadbytes));
+                }
+            }
+
+
+        }
+
+        public void sendMessage(byte[] message)
+        {
+            stream.BeginWrite(message, 0, message.Length, new AsyncCallback(OnWrite), null);
+        }
+
+        private bool verifyLogin(string username, string password)
+        {
+            Console.WriteLine("got hashes " + username + "\n" + password);
+
+
+            if (!File.Exists(fileName))
+            {
+                File.Create(fileName);
+                Console.WriteLine("file doesnt exist");
+                newUsers(username, password);
+                Console.WriteLine("true");
+                return true;
+            }
+            else
+            {
+                Console.WriteLine("file exists, located at " + Path.GetFullPath(fileName));
+                string[] usernamesPasswords = File.ReadAllLines(fileName);
+                if (usernamesPasswords.Length == 0)
+                {
+                    newUsers(username, password);
+                    return true;
+                }
+
+                foreach (string s in usernamesPasswords)
+                {
+                    string[] combo = s.Split(" ");
+                    if (combo[0] == username)
+                    {
+                        Console.WriteLine("correct info");
+                        return combo[1] == password;
+                    }
+
+                }
+                Console.WriteLine("combo was not found in file");
+
+            }
+            Console.WriteLine("false");
+            return false;
+
+        }
+
+        private void newUsers(string username, string password)
+        {
+
+            Console.WriteLine("creating new entry in file");
+            using (StreamWriter sw = File.AppendText(fileName))
+            {
+                sw.WriteLine(username + " " + password);
+            }
+        }
+
+
+
+
+
+        public static string ByteArrayToString(byte[] ba)
+        {
+            StringBuilder hex = new StringBuilder(ba.Length * 2);
+            foreach (byte b in ba)
+                hex.AppendFormat("{0:x2}", b);
+            return hex.ToString();
         }
     }
 }

Server/Communication.cs

@@ -1,6 +1,8 @@
-using System;
+using Client;
+using System;
 using System.Collections.Generic;
 using System.IO.Pipes;
+using System.Linq;
 using System.Net.Sockets;
 using System.Text;
 
@@ -10,6 +12,7 @@ namespace Server
     {
         private TcpListener listener;
         private List<Client> clients;
+        private Client doctor;
 
         public Communication(TcpListener listener)
         {
@@ -20,14 +23,27 @@ namespace Server
         public void Start()
         {
             listener.Start();
+            Console.WriteLine($"==========================================================================\n" +
+                $"\tstarted accepting clients at {DateTime.Now}\n" +
+                $"==========================================================================");
             listener.BeginAcceptTcpClient(new AsyncCallback(OnConnect), null);
         }
 
         private void OnConnect(IAsyncResult ar)
         {
+            
             var tcpClient = listener.EndAcceptTcpClient(ar);
             Console.WriteLine($"Client connected from {tcpClient.Client.RemoteEndPoint}");
             clients.Add(new Client(this, tcpClient));
+            if (doctor == null)
+            {
+                doctor = clients.ElementAt(0);
+            }
+            else
+            {
+
+                doctor.sendMessage(DataParser.getLoginResponse("new client"));
+            }
             listener.BeginAcceptTcpClient(new AsyncCallback(OnConnect), null);
         }
 

Server/SaveData.cs

@@ -0,0 +1,126 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+using System.Threading;
+
+namespace Server
+{
+    class SaveData
+    {
+        private string path;
+        private const string jsonFilename = "/json.txt";
+        private const string rawBikeFilename = "/rawBike.bin";
+        private const string rawBPMFilename = "/rawBPM.bin";
+        public SaveData(string path)
+        {
+            this.path = path;
+            if (!Directory.Exists(path))
+            {
+                Directory.CreateDirectory(path);
+            }
+        }
+
+        /// <summary>
+        ///  Every line is a new data entry
+        /// </summary>
+
+        public void WriteDataJSON(string data)
+        {
+            using (StreamWriter sw = File.AppendText(this.path + jsonFilename))
+            {
+                sw.WriteLine(data);
+            }
+        }
+
+        public void WriteDataRAWBPM(byte[] data)
+        {
+            if (data.Length != 2)
+            {
+                throw new ArgumentException("data should have length of 2");
+            }
+            WriteRawData(data, this.path + rawBPMFilename);
+        }
+
+        public void WriteDataRAWBike(byte[] data)
+        {
+            if (data.Length != 8)
+            {
+                throw new ArgumentException("data should have length of 8");
+            }
+            WriteRawData(data, this.path + rawBikeFilename);
+        }
+
+        private void WriteRawData(byte[] data, string fileLocation)
+        {
+            int length = 0;
+            try
+            {
+                FileInfo fi = new FileInfo(fileLocation);
+                length = (int)fi.Length;
+            }
+            catch
+            {
+                // do nothing
+            }
+            using (BinaryWriter sw = new BinaryWriter(File.Open(fileLocation, FileMode.Create)))
+            {
+                sw.Seek(length, SeekOrigin.End);
+                sw.Write(data);
+                sw.Flush();
+            }
+        }
+
+        /// <summary>
+        /// gets BPM graph data out of file.
+        /// if you want 100 datapoints but here are onlny 50, de last 50 datapoint will be 0
+        /// if you want 100 datapoints where it takes the average of 2, the last 75 will be 0
+        /// if the file isn't created yet it will retun null
+        /// </summary>
+        /// <param name="outputSize">the amount of data points for the output</param>
+        /// <param name="averageOver">the amount of data points form the file for one data point in the output</param>
+        /// <returns>byte array with data points from file</returns>
+        public byte[] getBPMgraphData(int outputSize, int averageOver)
+        {
+            if (File.Exists(this.path + rawBPMFilename))
+            {
+                FileInfo fi = new FileInfo(this.path + rawBPMFilename);
+                int length = (int)fi.Length;
+
+                byte[] output = new byte[outputSize];
+
+                int messageSize = 2;
+                int readSize = messageSize * averageOver;
+                byte[] readBuffer = new byte[readSize];
+
+                using (FileStream fileStream = new FileStream(this.path + rawBPMFilename, FileMode.Open, FileAccess.Read))
+                {
+                    for (int i = 1; i >= outputSize; i++)
+                    {
+                        if (length - (i * readSize) < 0)
+                        {
+                            break;
+                        }
+                        fileStream.Read(readBuffer, length - (i * readSize), readSize);
+
+                        //handling data
+                        int total = 0;
+                        for (int j = 0; j < averageOver; j++)
+                        {
+                            total += readBuffer[j * messageSize + 1];
+                        }
+                        output[i - 1] = (byte)(total / averageOver);
+                    }
+                }
+
+                return output;
+            }
+            else
+            {
+                return null;
+            }
+        }
+
+
+    }
+}

Server/Server.csproj

@@ -1,12 +1,18 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
-  <PropertyGroup>
+	<PropertyGroup>
-    <OutputType>Exe</OutputType>
+		<OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+		<TargetFramework>netcoreapp3.1</TargetFramework>
-  </PropertyGroup>
+	</PropertyGroup>
 
-  <ItemGroup>
+	<ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+		<PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
-  </ItemGroup>
+	</ItemGroup>
+
+	<ItemGroup>
+		<ProjectReference Include="..\Client\Client.csproj" />
+	</ItemGroup>
+
+	<Import Project="..\Hashing\Hashing.projitems" Label="Shared" />
 
 </Project>