fix: gameloop optimization

Ragon.Common/Sources/RagonOperation.cs

@@ -20,11 +20,9 @@ namespace Ragon.Common
     PLAYER_JOINED,
     PLAYER_LEAVED,
     
-    CREATE_STATES,
     CREATE_ENTITY,
+    CREATE_SCENE_ENTITY,
     DESTROY_ENTITY,
-    CREATE_STATIC_ENTITY,
-
     SNAPSHOT,
     
     REPLICATE_ENTITY_STATE,

Ragon.Common/Sources/RagonSerializer.cs

@@ -45,12 +45,18 @@ namespace Ragon.Common
     }
     
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public void WriteByte(byte value)
+    public void AddOffset(int offset)
+    {
+      _offset += offset;
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public int WriteByte(byte value)
     {
       ResizeIfNeed(1);
-
       _data[_offset] = value;
       _offset += 1;
+      return 1;
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
@@ -62,12 +68,12 @@ namespace Ragon.Common
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public void WriteBool(bool value)
+    public int WriteBool(bool value)
     {
       ResizeIfNeed(1);
-
       _data[_offset] = value ? (byte) 1 : (byte) 0;
       _offset += 1;
+      return 1;
     }
 
 
@@ -81,7 +87,7 @@ namespace Ragon.Common
 
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public void WriteInt(int value)
+    public int WriteInt(int value)
     {
       ResizeIfNeed(4);
       var converter = new ValueConverter() {Int = value};
@@ -90,6 +96,19 @@ namespace Ragon.Common
       _data[_offset + 2] = converter.Byte2;
       _data[_offset + 3] = converter.Byte3;
       _offset += 4;
+      return 4;
+    }
+    
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public int WriteInt(int value, int offset)
+    {
+      ResizeIfNeed(4);
+      var converter = new ValueConverter() {Int = value};
+      _data[offset] = converter.Byte0;
+      _data[offset + 1] = converter.Byte1;
+      _data[offset + 2] = converter.Byte2;
+      _data[offset + 3] = converter.Byte3;
+      return 4;
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
@@ -109,7 +128,7 @@ namespace Ragon.Common
     }
     
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public void WriteLong(long value, int offset)
+    public int WriteLong(long value, int offset)
     {
       var converter = new ValueConverter() {Long = value};
       _data[offset] = converter.Byte0;
@@ -120,6 +139,7 @@ namespace Ragon.Common
       _data[offset + 5] = converter.Byte5;
       _data[offset + 6] = converter.Byte6;
       _data[offset + 7] = converter.Byte7;
+      return 8;
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
@@ -141,10 +161,11 @@ namespace Ragon.Common
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public void WriteFloat(float value)
+    public int WriteFloat(float value)
     {
       var converter = new ValueConverter() {Float = value};
       WriteInt(converter.Int);
+      return 4;
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
@@ -157,39 +178,16 @@ namespace Ragon.Common
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public void WriteString(string value, ushort size)
+    public int WriteString(string value)
     {
-      var stringRaw = Encoding.UTF8.GetBytes(value).AsSpan();
+      var rawData = Encoding.UTF8.GetBytes(value).AsSpan();
-      ResizeIfNeed(2 + size);
+      ResizeIfNeed(2 + rawData.Length);
+      WriteUShort((ushort) rawData.Length);
+      var data = _data.AsSpan().Slice(_offset, rawData.Length);
+      rawData.CopyTo(data);
+      _offset += rawData.Length;
 
-      WriteUShort((ushort) stringRaw.Length);
+      return rawData.Length + 2;
-      
-      var data = _data.AsSpan().Slice(_offset, size);
-      stringRaw.CopyTo(data);
-      _offset += stringRaw.Length;
-    }
-
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public string ReadString(ushort size)
-    {
-      var lenght = ReadUShort();
-      var stringRaw = _data.AsSpan().Slice(_offset, size);
-      var strData = stringRaw.Slice(0, lenght);
-      var str = Encoding.UTF8.GetString(strData);
-      _offset += size;
-      return str;
-    }
-    
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public void WriteString(string value)
-    {
-      var stringRaw = Encoding.UTF8.GetBytes(value).AsSpan();
-      ResizeIfNeed(2 + stringRaw.Length);
-
-      WriteUShort((ushort) stringRaw.Length);
-      var data = _data.AsSpan().Slice(_offset, stringRaw.Length);
-      stringRaw.CopyTo(data);
-      _offset += stringRaw.Length;
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
@@ -213,7 +211,7 @@ namespace Ragon.Common
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public void WriteData(ref ReadOnlySpan<byte> payload)
+    public int WriteData(ref ReadOnlySpan<byte> payload)
     {
       ResizeIfNeed(payload.Length);
 
@@ -222,6 +220,7 @@ namespace Ragon.Common
 
       payload.CopyTo(payloadData);
       _offset += payload.Length;
+      return payload.Length;
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
@@ -237,12 +236,14 @@ namespace Ragon.Common
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public void WriteOperation(RagonOperation ragonOperation)
+    public int WriteOperation(RagonOperation ragonOperation)
     {
       ResizeIfNeed(1);
 
       _data[_offset] = (byte) ragonOperation;
       _offset += 1;
+
+      return 1;
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
@@ -254,13 +255,24 @@ namespace Ragon.Common
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public void WriteUShort(ushort value)
+    public int WriteUShort(ushort value)
     {
       ResizeIfNeed(2);
 
       _data[_offset] = (byte) (value & 0x00FF);
       _data[_offset + 1] = (byte) ((value & 0xFF00) >> 8);
       _offset += 2;
+
+      return 2;
+    }
+    
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public int WriteUShort(ushort value, int offset)
+    {
+      ResizeIfNeed(2);
+      _data[offset] = (byte) (value & 0x00FF);
+      _data[offset + 1] = (byte) ((value & 0xFF00) >> 8);
+      return 2;
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]

Ragon.SimpleServer/Source/AuthorizationProvider.cs

@@ -12,7 +12,7 @@ public class AuthorizationProviderByKey: IAuthorizationProvider
     _configuration = configuration;
   }
   
-  public async Task OnAuthorizationRequest(string key, string name, byte protocol, byte[] additionalData, Action<string, string> accept, Action<uint> reject)
+  public async Task OnAuthorizationRequest(string key, string name, byte[] additionalData, Action<string, string> accept, Action<uint> reject)
   {
     if (key == _configuration.Key)
     {

Ragon.SimpleServer/config.json

@@ -1,5 +1,6 @@
 {
   "key": "defaultkey",
+  "protocol": "1.0.0",
   "statisticsInterval": 5,
   "sendRate": 30,
   "port": 4444,

Ragon/Sources/Authorization/AuthorizationManager.cs

@@ -25,11 +25,11 @@ public class AuthorizationManager : IAuthorizationManager
     _playersByPeers = new Dictionary<uint, Player>();
   }
 
-  public void OnAuthorization(uint peerId, string key, string name, byte protocol)
+  public void OnAuthorization(uint peerId, string key, string name)
   {
     var dispatcher = _gameThread.ThreadDispatcher;
     
-    _provider.OnAuthorizationRequest(key, name, protocol, Array.Empty<byte>(),
+    _provider.OnAuthorizationRequest(key, name, Array.Empty<byte>(),
       (playerId, playerName) => { dispatcher.Dispatch(() => Accepted(peerId, playerId, playerName)); },
       (errorCode) => { dispatcher.Dispatch(() => Rejected(peerId, errorCode)); });
   }

Ragon/Sources/Authorization/IAuthorizationProvider.cs

@@ -5,5 +5,5 @@ namespace Ragon.Core;
 
 public interface  IAuthorizationProvider
 {
-  Task OnAuthorizationRequest(string key, string playerName, byte protocol, byte[] additionalData, Action<string, string> Accept, Action<uint> Reject);
+  Task OnAuthorizationRequest(string key, string playerName, byte[] additionalData, Action<string, string> Accept, Action<uint> Reject);
 }

Ragon/Sources/Configuration/Configuration.cs

@@ -6,6 +6,7 @@ namespace Ragon.Core
   public struct Configuration
   {
     public string Key;
+    public string Protocol;
     public int StatisticsInterval;
     public ushort SendRate;
     public ushort Port;

Ragon/Sources/Configuration/ConfigurationLoader.cs

@@ -9,7 +9,7 @@ namespace Ragon.Core
   public static class ConfigurationLoader
   {
     private static readonly Logger _logger = LogManager.GetCurrentClassLogger();
-    private static readonly string _serverVersion = "1.0.9-rc";
+    private static readonly string _serverVersion = "1.0.13-rc";
 
     private static void CopyrightInfo()
     {

Ragon/Sources/Entity/EntityProperty.cs

@@ -1,33 +1,39 @@
 using System;
+using Ragon.Common;
 
 namespace Ragon.Core;
 
 public class EntityProperty
 {
-    public int Size => _data.Length;
+    public int Size { get; set; }
-    public bool IsDirty => _dirty;
+    public bool IsDirty { get; private set; }
-    
+    public bool IsFixed { get; private set; }
-    private bool _dirty;
     private byte[] _data;
 
-    public EntityProperty(int size)
+    public EntityProperty(int size, bool isFixed)
     {
-        _data = new byte[size];
+        _data = new byte[512];
+
+        Size = size;
+        IsFixed = isFixed;
+        IsDirty = true;
     }
     
     public ReadOnlySpan<byte> Read()
     {
-        return _data.AsSpan();
+        var dataSpan = _data.AsSpan();
+        
+        return dataSpan.Slice(0, Size);
     }
 
     public void Write(ref ReadOnlySpan<byte> src)
     {
         src.CopyTo(_data);
-        _dirty = true;
+        IsDirty = true;
     }
   
     public void Clear()
     {
-        _dirty = false;
+        IsDirty = false;
     }
 }

Ragon/Sources/Game/GameRoom.cs

@@ -12,6 +12,7 @@ namespace Ragon.Core
     public int PlayersMin { get; private set; }
     public int PlayersMax { get; private set; }
     public int PlayersCount => _players.Count;
+    public int EntitiesCount => _entities.Count;
     public string Id { get; private set; }
     public string Map { get; private set; }
 
@@ -116,6 +117,20 @@ namespace Ragon.Core
           Broadcast(_readyPlayers, sendData);
         }
 
+        if (_allPlayers.Length > 0)
+        {
+          var nextOwnerId = _allPlayers[0];
+          _owner = nextOwnerId;
+          var nextOwner = _players[nextOwnerId];
+          
+          _serializer.Clear();
+          _serializer.WriteOperation(RagonOperation.OWNERSHIP_CHANGED);
+          _serializer.WriteString(nextOwner.Id);
+
+          var sendData = _serializer.ToArray();
+          Broadcast(_readyPlayers, sendData);
+        }
+        
         _entitiesAll = _entities.Values.ToArray();
       }
     }
@@ -128,6 +143,9 @@ namespace Ragon.Core
       switch (operation)
       {
         case RagonOperation.REPLICATE_ENTITY_STATE:
+        {
+          var entitiesCount = _serializer.ReadUShort();
+          for (var entityIndex = 0; entityIndex < entitiesCount; entityIndex++)
           {
             var entityId = _serializer.ReadUShort();
             if (_entities.TryGetValue(entityId, out var ent))
@@ -138,20 +156,28 @@ namespace Ragon.Core
                 return;
               }
               
-            var mask = _serializer.ReadLong();
               for (var i = 0; i < ent.Properties.Length; i++)
               {
-              if (((mask >> i) & 1) == 1)
+                if (_serializer.ReadBool())
                 {
-                var propertyPayload = _serializer.ReadData(ent.Properties[i].Size);
+                  var property = ent.Properties[i];
-                ent.Properties[i].Write(ref propertyPayload);
+                  if (!property.IsFixed)
+                    property.Size = _serializer.ReadUShort();
+                  
+                  var propertyPayload = _serializer.ReadData(property.Size);
+                  property.Write(ref propertyPayload);
                 }
               }
 
               if (_entitiesDirtySet.Add(ent))
                 _entitiesDirty.Add(ent);
             }
-
+            else
+            {
+              _logger.Error($"Entity with Id {entityId} not found, replication interrupted");
+              break;
+            }
+          }
           break;
         }
         case RagonOperation.REPLICATE_ENTITY_EVENT:
@@ -182,6 +208,7 @@ namespace Ragon.Core
           _serializer.WriteByte(evntMode);
           _serializer.WriteUShort(entityId);
           _serializer.WriteData(ref payload);
+          
           var sendData = _serializer.ToArray();
 
           switch (targetMode)
@@ -273,22 +300,18 @@ namespace Ragon.Core
 
           break;
         }
-        case RagonOperation.CREATE_STATIC_ENTITY:
+        case RagonOperation.CREATE_SCENE_ENTITY:
         {
           var entityType = _serializer.ReadUShort();
           var staticId = _serializer.ReadUShort();
           var propertiesCount = _serializer.ReadUShort();
-          if (propertiesCount > 63)
-          {
-            _logger.Warn($"Allowed only 64 properties per entity. EntityType(Static) {entityType}");
-            return;
-          }
 
           var entity = new Entity(peerId, entityType, staticId, RagonAuthority.ALL, RagonAuthority.OWNER_ONLY, propertiesCount);
           for (var i = 0; i < propertiesCount; i++)
           {
+            var propertyType = _serializer.ReadBool();
             var propertySize = _serializer.ReadUShort();
-            entity.Properties[i] = new EntityProperty(propertySize);
+            entity.Properties[i] = new EntityProperty(propertySize, propertyType);
           }
 
           {
@@ -308,7 +331,7 @@ namespace Ragon.Core
           _plugin.OnEntityCreated(player, entity);
 
           _serializer.Clear();
-          _serializer.WriteOperation(RagonOperation.CREATE_STATIC_ENTITY);
+          _serializer.WriteOperation(RagonOperation.CREATE_SCENE_ENTITY);
           _serializer.WriteUShort(entityType);
           _serializer.WriteUShort(entity.EntityId);
           _serializer.WriteUShort(staticId);
@@ -328,16 +351,13 @@ namespace Ragon.Core
           var entityType = _serializer.ReadUShort();
           var propertiesCount = _serializer.ReadUShort();
           var entity = new Entity(peerId, entityType, 0, RagonAuthority.ALL, RagonAuthority.ALL, propertiesCount);
-          if (propertiesCount > 63)
+          // _logger.Trace("Created entity with properties: " + propertiesCount);
-          {
-            _logger.Warn($"Allowed only 64 properties per entity. EntityType(Static) {entityType}");
-            return;
-          }
-
           for (var i = 0; i < propertiesCount; i++)
           {
+            var propertyType = _serializer.ReadBool();
             var propertySize = _serializer.ReadUShort();
-            entity.Properties[i] = new EntityProperty(propertySize);
+            entity.Properties[i] = new EntityProperty(propertySize, propertyType);
+            // _logger.Trace($"Property: {i} Size: {propertySize} IsFixed: {propertyType}");
           }
 
           {
@@ -461,38 +481,35 @@ namespace Ragon.Core
         _serializer.Clear();
         _serializer.WriteOperation(RagonOperation.REPLICATE_ENTITY_STATE);
         _serializer.WriteUShort((ushort) _entitiesDirty.Count);
+        
         for (var entityIndex = 0; entityIndex < _entitiesDirty.Count; entityIndex++)
         {
           var entity = _entitiesDirty[entityIndex];
-          var mask = 0L;
-
           _serializer.WriteUShort(entity.EntityId);
           
-          var offset = _serializer.Lenght;
-          _serializer.WriteLong(mask);
-
           for (int propertyIndex = 0; propertyIndex < entity.Properties.Length; propertyIndex++)
           {
             var property = entity.Properties[propertyIndex];
             if (property.IsDirty)
             {
-              mask |= (uint) (1 << propertyIndex);
+              _serializer.WriteBool(true);
-
               var span = _serializer.GetWritableData(property.Size);
               var data = property.Read();
               data.CopyTo(span);
               property.Clear();
             }
+            else
+            {
+              _serializer.WriteBool(false);
+            }
           }
-
-          _serializer.WriteLong(mask, offset);
         }
 
         _entitiesDirty.Clear();
         _entitiesDirtySet.Clear();
 
         var sendData = _serializer.ToArray();
-        Broadcast(_readyPlayers, sendData, DeliveryType.Unreliable);
+        Broadcast(_readyPlayers, sendData);
       }
     }
 

Ragon/Sources/Game/GameThread.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Diagnostics;
 using System.Threading;
 using Ragon.Common;
 using ENet;
@@ -11,36 +10,33 @@ namespace Ragon.Core
   {
     private readonly RoomManager _roomManager;
     private readonly Thread _thread;
-    private readonly Stopwatch _gameLoopTimer;
     private readonly Lobby _lobby;
+    private readonly ISocketServer _server;
+    private readonly IDispatcherInternal _dispatcherInternal;
+    private readonly IDispatcher _dispatcher;
     private readonly ILogger _logger = LogManager.GetCurrentClassLogger();
     private readonly float _deltaTime = 0.0f;
-    private readonly Stopwatch _statisticsTimer;
     private readonly Configuration _configuration;
-    private readonly IDispatcherInternal _dispatcherInternal;
 
-    public IDispatcher ThreadDispatcher { get; private set; }
+    public ISocketServer Server => _server;
-    public ISocketServer Server { get; private set; }
+    public IDispatcher ThreadDispatcher => _dispatcher;
 
     public GameThread(PluginFactory factory, Configuration configuration)
     {
+      var authorizationProvider = factory.CreateAuthorizationProvider(configuration);
+
       _configuration = configuration;
 
-      var authorizationProvider = factory.CreateAuthorizationProvider(configuration);
       var dispatcher = new Dispatcher();
       _dispatcherInternal = dispatcher;
+      _dispatcher = dispatcher;
 
-      ThreadDispatcher = dispatcher;
+      _server = new ENetServer(this);
-      Server = new ENetServer(this);
-
       _deltaTime = 1000.0f / configuration.SendRate;
 
       _roomManager = new RoomManager(factory, this);
       _lobby = new Lobby(authorizationProvider, _roomManager, this);
 
-      _gameLoopTimer = new Stopwatch();
-      _statisticsTimer = new Stopwatch();
-
       _thread = new Thread(Execute);
       _thread.Name = "Game Thread";
       _thread.IsBackground = true;
@@ -48,19 +44,33 @@ namespace Ragon.Core
 
     public void Start()
     {
-      Server.Start(_configuration.Port, _configuration.MaxConnections);
+      var strings = _configuration.Protocol.Split(".");
+      if (strings.Length < 3)
+      {
+        _logger.Error("Wrong protocol passed to connect method");
+        return;
+      }
 
-      _gameLoopTimer.Start();
+      var parts = new uint[] {0, 0, 0};
-      _statisticsTimer.Start();
+      for (int i = 0; i < parts.Length; i++)
+      {
+        if (!uint.TryParse(strings[i], out var v))
+        {
+          _logger.Error("Wrong protocol");
+          return;
+        }
+
+        parts[i] = v;
+      }
+
+      uint encoded = (parts[0] << 16) | (parts[1] << 8) | parts[2];
+      _server.Start(_configuration.Port, _configuration.MaxConnections, encoded);
       _thread.Start();
     }
 
     public void Stop()
     {
-      Server.Stop();
+      _server.Stop();
-
-      _gameLoopTimer.Stop();
-      _statisticsTimer.Stop();
       _thread.Interrupt();
     }
 
@@ -68,23 +78,11 @@ namespace Ragon.Core
     {
       while (true)
       {
-        Server.Process();
+        _server.Process();
-
         _dispatcherInternal.Process();
+        _roomManager.Tick(_deltaTime);
 
-        var elapsedMilliseconds = _gameLoopTimer.ElapsedMilliseconds;
+        Thread.Sleep((int) _deltaTime);
-        if (elapsedMilliseconds > _deltaTime)
-        {
-          _roomManager.Tick(elapsedMilliseconds / 1000.0f);
-          _gameLoopTimer.Restart();
-          continue;
-        }
-
-        if (_statisticsTimer.Elapsed.Seconds > _configuration.StatisticsInterval && _roomManager.RoomsBySocket.Count > 0)
-        {
-          _logger.Trace($"Rooms: {_roomManager.Rooms.Count} Clients: {_roomManager.RoomsBySocket.Count}");
-          _statisticsTimer.Restart();
-        }
       }
     }
 

Ragon/Sources/Lobby/Lobby.cs

@@ -32,8 +32,7 @@ public class Lobby : ILobby
     {
       var key = _serializer.ReadString();
       var playerName = _serializer.ReadString();
-      var protocol = _serializer.ReadByte();
+      _authorizationManager.OnAuthorization(peerId, key, playerName);
-      _authorizationManager.OnAuthorization(peerId, key, playerName, protocol);
       return;
     }
 

Ragon/Sources/Server/ENet/ENetServer.cs

@@ -1,46 +1,42 @@
 using System;
+using System.Diagnostics;
+using System.Timers;
 using ENet;
 using NLog;
 
 namespace Ragon.Core
 {
-  public enum Status
-  {
-    Stopped,
-    Listening,
-    Disconnecting,
-    Connecting,
-    Assigning,
-    Connected
-  }
-
   public class ENetServer : ISocketServer
   {
-    public Status Status { get; private set; }
-
     private ILogger _logger = LogManager.GetCurrentClassLogger();
     private Host _host;
+    private uint _protocol;
     private Address _address;
     private Event _netEvent;
     private Peer[] _peers;
     private IHandler _handler;
+    private Stopwatch _timer;
     
     public ENetServer(IHandler handler)
     {
       _handler = handler;
+      _timer = Stopwatch.StartNew();
+      _peers = Array.Empty<Peer>();
+      _host = new Host();
     }
 
-    public void Start(ushort port, int connections)
+    public void Start(ushort port, int connections, uint protocol)
     {
       _address = default;
       _address.Port = port;
       _peers = new Peer[connections];
-
+      _protocol = protocol;
-      _host = new Host();
       _host.Create(_address, connections, 2, 0, 0, 1024 * 1024);
       
-      Status = Status.Listening;
+      
+      var protocolDecoded = (protocol >> 16 & 0xFF) + "." + (protocol >> 8 & 0xFF) + "." + (protocol & 0xFF);
       _logger.Info($"Network listening on {port}");
+      _logger.Info($"Protocol: {protocolDecoded}");
     }
 
     public void Broadcast(uint[] peersIds, byte[] data, DeliveryType type)
@@ -57,7 +53,7 @@ namespace Ragon.Core
       else if (type == DeliveryType.Unreliable)
       {
         channel = 1;
-        packetFlags = PacketFlags.None;
+        packetFlags = PacketFlags.UnreliableFragmented;
       }
 
       newPacket.Create(data, data.Length, packetFlags);
@@ -98,7 +94,7 @@ namespace Ragon.Core
       {
         if (_host.CheckEvents(out _netEvent) <= 0)
         {
-          if (_host.Service(15, out _netEvent) <= 0)
+          if (_host.Service(0, out _netEvent) <= 0)
             break;
 
           polled = true;
@@ -107,11 +103,17 @@ namespace Ragon.Core
         switch (_netEvent.Type)
         {
           case EventType.None:
-            Console.WriteLine("None event");
+          {
+            _logger.Trace("None event");
             break;
-
+          }
           case EventType.Connect:
           {
+            // if (IsValidProtocol(_netEvent.Data))
+            // {
+            //   _logger.Warn("Mismatched protocol, close connection");
+            //   break;
+            // }
             _peers[_netEvent.Peer.ID] = _netEvent.Peer;
             _handler.OnEvent(_netEvent);
             break;
@@ -140,5 +142,10 @@ namespace Ragon.Core
     {
       _host?.Dispose();
     }
+
+    private bool IsValidProtocol(uint protocol)
+    {
+      return protocol == _protocol;
+    }
   }
 }

Ragon/Sources/Server/ISocketServer.cs

@@ -2,7 +2,7 @@ namespace Ragon.Core;
 
 public interface ISocketServer
 {
-  public void Start(ushort port, int connections);
+  public void Start(ushort port, int connections, uint protocol);
   public void Process();
   public void Stop();
   public void Send(uint peerId, byte[] data, DeliveryType type);