network fix

ZeroLevel/Services/Network/BaseSocket.cs

@@ -2,18 +2,15 @@
 
 namespace ZeroLevel.Network
 {
-    public abstract class ZBaseNetwork
+    public abstract class BaseSocket
-        : IDisposable
     {
-        static ZBaseNetwork()
+        static BaseSocket()
         {
             MAX_FRAME_PAYLOAD_SIZE = Configuration.Default.FirstOrDefault<int>("MAX_FRAME_PAYLOAD_SIZE", DEFAULT_MAX_FRAME_PAYLOAD_SIZE);
         }
 
         public const string DEFAULT_MESSAGE_INBOX = "__message_inbox__";
         public const string DEFAULT_REQUEST_INBOX = "__request_inbox__";
-
-        protected const string DEFAULT_PING_INBOX = "__ping__";
         protected const string DEFAULT_REQUEST_ERROR_INBOX = "__request_error__";
 
         /// <summary>
@@ -29,7 +26,7 @@ namespace ZeroLevel.Network
         /// <summary>
         /// Connection check period
         /// </summary>
-        protected const int HEARTBEAT_UPDATE_PERIOD_MS = 7500;
+        protected const int MINIMUM_HEARTBEAT_UPDATE_PERIOD_MS = 7500;
 
         /// <summary>
         /// The period of the request, after which it is considered unsuccessful
@@ -49,10 +46,10 @@ namespace ZeroLevel.Network
         /// </summary>
         public const int MAX_SEND_QUEUE_SIZE = 1024;
 
-        protected void Broken() => Status = Status == ZTransportStatus.Disposed ? Status : ZTransportStatus.Broken;
+        protected void Broken() => Status = Status == SocketClientStatus.Disposed ? Status : SocketClientStatus.Broken;
-        protected void Disposed() => Status = ZTransportStatus.Disposed;
+        protected void Disposed() => Status = SocketClientStatus.Disposed;
-        protected void Working() => Status = Status == ZTransportStatus.Disposed ? Status : ZTransportStatus.Working;
+        protected void Working() => Status = Status == SocketClientStatus.Disposed ? Status : SocketClientStatus.Working;
-        public ZTransportStatus Status { get; private set; } = ZTransportStatus.Initialized;
+        public SocketClientStatus Status { get; private set; } = SocketClientStatus.Initialized;
 
         public abstract void Dispose();
     }

ZeroLevel/Services/Network/Contract/IExClient.cs

@@ -1,38 +0,0 @@
-using System;
-using System.Net;
-using ZeroLevel.Models;
-
-namespace ZeroLevel.Network
-{
-    public interface IExClient
-        : IDisposable
-    {
-        event Action Connected;
-
-        void ForceConnect();
-
-        ZTransportStatus Status { get; }
-
-        IPEndPoint Endpoint { get; }
-
-        InvokeResult Send();
-
-        InvokeResult Send(string inbox);
-
-        InvokeResult Send<T>(T obj);
-
-        InvokeResult Send<T>(string inbox, T obj);
-
-        InvokeResult Request<Treq, Tresp>(Treq obj, Action<Tresp> callback);
-
-        InvokeResult Request<Treq, Tresp>(string inbox, Treq obj, Action<Tresp> callback);
-
-        InvokeResult Request<Tresp>(Action<Tresp> callback);
-
-        InvokeResult Request<Tresp>(string inbox, Action<Tresp> callback);
-
-        void RegisterInbox<T>(string inbox, Action<T, long, IZBackward> handler);
-
-        void RegisterInbox<T>(Action<T, long, IZBackward> handler);
-    }
-}

ZeroLevel/Services/Network/Contract/IExService.cs

@@ -1,32 +0,0 @@
-using System;
-using System.Net;
-
-namespace ZeroLevel.Network
-{
-    public interface IExService
-        : IDisposable
-    {
-        IPEndPoint Endpoint { get; }
-        event Action<IZBackward> OnConnect;
-        event Action<IZBackward> OnDisconnect;
-
-        void RegisterInbox<T>(string inbox, Action<T, long, IZBackward> handler);
-
-        void RegisterInbox(string inbox, Action<long, IZBackward> handler);
-
-        void RegisterInbox<Treq, Tresp>(string inbox, Func<Treq, long, IZBackward, Tresp> handler);
-
-        /// <summary>
-        /// Replier without request
-        /// </summary>
-        void RegisterInbox<Tresp>(string inbox, Func<long, IZBackward, Tresp> handler);
-
-        /*
-        DEFAULT INBOXES         
-        */
-        void RegisterInbox(Action<long, IZBackward> handler);
-        void RegisterInbox<T>(Action<T, long, IZBackward> handler);
-        void RegisterInbox<Treq, Tresp>(Func<Treq, long, IZBackward, Tresp> handler);
-        void RegisterInbox<Tresp>(Func<long, IZBackward, Tresp> handler);
-    }
-}

ZeroLevel/Services/Network/Contract/IZBackward.cs

@@ -1,13 +0,0 @@
-using System.Net;
-using ZeroLevel.Models;
-
-namespace ZeroLevel.Network
-{
-    public interface IZBackward
-    {
-        IPEndPoint Endpoint { get; }
-
-        InvokeResult SendBackward(Frame frame);
-        InvokeResult SendBackward<T>(string inbox, T message);
-    }
-}

ZeroLevel/Services/Network/Contract/IZObservableServer.cs

@@ -1,21 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Net;
-
-namespace ZeroLevel.Network
-{
-    public interface IZObservableServer
-        : IDisposable
-    {
-        IPEndPoint Endpoint { get; }
-        IEnumerable<IPEndPoint> ConnectionList { get; }
-
-        event Action<IZBackward> OnConnect;
-
-        event Action<IZBackward> OnDisconnect;
-
-        event Action<Frame, IZBackward> OnMessage;
-
-        event Func<Frame, IZBackward, Frame> OnRequest;
-    }
-}

ZeroLevel/Services/Network/Contract/IZTransport.cs

@@ -1,24 +0,0 @@
-using System;
-using System.Net;
-
-namespace ZeroLevel.Network
-{
-    public interface IZTransport
-        : IDisposable
-    {
-        event Action OnConnect;
-
-        event Action OnDisconnect;
-
-        event EventHandler<Frame> OnServerMessage;
-
-        IPEndPoint Endpoint { get; }
-        ZTransportStatus Status { get; }
-
-        void EnsureConnection();
-
-        void Send(Frame frame);
-
-        void Request(Frame frame, Action<Frame> callback, Action<string> fail = null);
-    }
-}

ZeroLevel/Services/Network/Contracts/IRouter.cs

@@ -1,4 +1,7 @@
-namespace ZeroLevel.Services._Network
+using System;
+using ZeroLevel.Models;
+
+namespace ZeroLevel.Network
 {
     public interface IRouter
     {
@@ -23,13 +26,13 @@
 
     public interface IClient
     {
-        void Send(string inbox);
+        InvokeResult Send(string inbox);
-        void Send(string inbox, byte[] data);
+        InvokeResult Send(string inbox, byte[] data);
-        void Send<T>(string inbox, T message);
+        InvokeResult Send<T>(string inbox, T message);
 
-        byte[] Request(string inbox);
+        InvokeResult Request(string inbox, Action<byte[]> callback);
-        byte[] Request(string inbox, byte[] data);
+        InvokeResult Request(string inbox, byte[] data, Action<byte[]> callback);
-        Tresponse Request<Tresponse>(string inbox);
+        InvokeResult Request<Tresponse>(string inbox, Action<Tresponse> callback);
-        Tresponse Request<Tresponse, Trequest>(string inbox, Trequest request);
+        InvokeResult Request<Trequest, Tresponse>(string inbox, Trequest request, Action<Tresponse> callback);
     }
 }

ZeroLevel/Services/Network/Contracts/ISocketClient.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Net;
+
+namespace ZeroLevel.Network
+{
+    public interface ISocketClient:
+        IDisposable
+    {
+        event Action<ISocketClient, byte[], int> OnIncomingData;
+        event Action<ISocketClient> OnConnect;
+        event Action<ISocketClient> OnDisconnect;
+        IPEndPoint Endpoint { get; }
+        SocketClientStatus Status { get; }
+
+        void ForceConnect();
+        void UseKeepAlive(TimeSpan period);
+        void Send(Frame data);
+        void Request(Frame data, Action<Frame> callback, Action<string> fail = null);
+        void Response(byte[] data, int identity);
+    }
+}

ZeroLevel/Services/Network/DiscoveryClient.cs

@@ -128,7 +128,7 @@ namespace ZeroLevel.Network
         : IDiscoveryClient
     {
         private readonly DCRouter _router = new DCRouter();
-        private readonly IExClient _discoveryServerClient;
+        private readonly NetworkNode _discoveryServerClient;
 
         public DiscoveryClient(string endpoint)
         {

ZeroLevel/Services/Network/ExService.cs

@@ -9,9 +9,9 @@ namespace ZeroLevel.Network
         private readonly ExRouter _router;
         private readonly IZObservableServer _server;
 
-        public event Action<IZBackward> OnConnect = c => { };
+        public event Action<ISocketClient> OnConnect = c => { };
 
-        public event Action<IZBackward> OnDisconnect = c => { };
+        public event Action<ISocketClient> OnDisconnect = c => { };
 
         public ExService(IZObservableServer server)
         {
@@ -23,12 +23,12 @@ namespace ZeroLevel.Network
             _server.OnDisconnect += _server_OnDisconnect;
         }
 
-        private void _server_OnDisconnect(IZBackward client)
+        private void _server_OnDisconnect(ISocketClient client)
         {
             this.OnDisconnect(client);
         }
 
-        private void _server_OnConnect(IZBackward client)
+        private void _server_OnConnect(ISocketClient client)
         {
             this.OnConnect(client);
         }
@@ -101,7 +101,7 @@ namespace ZeroLevel.Network
             _router.RegisterInbox(inbox, handler);
         }
 
-        public void RegisterInbox(Action<long, IZBackward> handler)
+        public void RegisterInbox(Action<long, ISocketClient> handler)
         {
             _router.RegisterInbox(DEFAULT_REQUEST_INBOX, handler);
         }

ZeroLevel/Services/Network/ExServiceHost.cs

@@ -3,7 +3,6 @@ using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Linq;
 using System.Linq.Expressions;
-using System.Net;
 using System.Reflection;
 
 namespace ZeroLevel.Network

ZeroLevel/Services/Network/Exchange.cs

@@ -60,7 +60,7 @@ namespace ZeroLevel.Network
             return false;
         }
 
-        public bool Send<T>(string serviceKey, T data) => Send(serviceKey, ZBaseNetwork.DEFAULT_MESSAGE_INBOX, data);
+        public bool Send<T>(string serviceKey, T data) => Send(serviceKey, BaseSocket.DEFAULT_MESSAGE_INBOX, data);
 
         #endregion Balanced send
 
@@ -85,7 +85,7 @@ namespace ZeroLevel.Network
                               {
                                   return false;
                               }
-                              if (false == waiter.Wait(ZBaseNetwork.MAX_REQUEST_TIME_MS))
+                              if (false == waiter.Wait(BaseSocket.MAX_REQUEST_TIME_MS))
                               {
                                   return false;
                               }
@@ -128,7 +128,7 @@ namespace ZeroLevel.Network
                              {
                                  return false;
                              }
-                             if (false == waiter.Wait(ZBaseNetwork.MAX_REQUEST_TIME_MS))
+                             if (false == waiter.Wait(BaseSocket.MAX_REQUEST_TIME_MS))
                              {
                                  return false;
                              }
@@ -153,10 +153,10 @@ namespace ZeroLevel.Network
         }
 
         public Tresp Request<Treq, Tresp>(string serviceKey, Treq data) =>
-            Request<Treq, Tresp>(serviceKey, ZBaseNetwork.DEFAULT_REQUEST_INBOX, data);
+            Request<Treq, Tresp>(serviceKey, BaseSocket.DEFAULT_REQUEST_INBOX, data);
 
         public Tresp Request<Tresp>(string serviceKey) =>
-            Request<Tresp>(serviceKey, ZBaseNetwork.DEFAULT_REQUEST_INBOX);
+            Request<Tresp>(serviceKey, BaseSocket.DEFAULT_REQUEST_INBOX);
 
         #endregion Balanced request
 
@@ -181,7 +181,7 @@ namespace ZeroLevel.Network
                             {
                                 return false;
                             }
-                            if (false == waiter.Wait(ZBaseNetwork.MAX_REQUEST_TIME_MS))
+                            if (false == waiter.Wait(BaseSocket.MAX_REQUEST_TIME_MS))
                             {
                                 return false;
                             }
@@ -224,7 +224,7 @@ namespace ZeroLevel.Network
                             {
                                 return false;
                             }
-                            if (false == waiter.Wait(ZBaseNetwork.MAX_REQUEST_TIME_MS))
+                            if (false == waiter.Wait(BaseSocket.MAX_REQUEST_TIME_MS))
                             {
                                 return false;
                             }
@@ -249,10 +249,10 @@ namespace ZeroLevel.Network
         }
 
         public Tresp RequestDirect<Treq, Tresp>(string endpoint, string serviceKey, Treq data) =>
-            RequestDirect<Treq, Tresp>(endpoint, serviceKey, ZBaseNetwork.DEFAULT_REQUEST_INBOX, data);
+            RequestDirect<Treq, Tresp>(endpoint, serviceKey, BaseSocket.DEFAULT_REQUEST_INBOX, data);
 
         public Tresp RequestDirect<Tresp>(string endpoint, string serviceKey) =>
-            RequestDirect<Tresp>(endpoint, serviceKey, ZBaseNetwork.DEFAULT_REQUEST_INBOX);
+            RequestDirect<Tresp>(endpoint, serviceKey, BaseSocket.DEFAULT_REQUEST_INBOX);
 
         #endregion Direct request
 
@@ -299,7 +299,7 @@ namespace ZeroLevel.Network
         /// <param name="serviceKey">Service key</param>
         /// <param name="data">Message</param>
         /// <returns>true - on successful submission</returns>
-        public bool SendBroadcast<T>(string serviceKey, T data) => SendBroadcast(serviceKey, ZBaseNetwork.DEFAULT_MESSAGE_INBOX, data);
+        public bool SendBroadcast<T>(string serviceKey, T data) => SendBroadcast(serviceKey, BaseSocket.DEFAULT_MESSAGE_INBOX, data);
 
         /// <summary>
         /// Sending a message to all services of a specific type to the specified handler
@@ -343,7 +343,7 @@ namespace ZeroLevel.Network
         /// <param name="data">Message</param>
         /// <returns>true - on successful submission</returns>
         public bool SendBroadcastByType<T>(string serviceType, T data) =>
-            SendBroadcastByType(serviceType, ZBaseNetwork.DEFAULT_MESSAGE_INBOX, data);
+            SendBroadcastByType(serviceType, BaseSocket.DEFAULT_MESSAGE_INBOX, data);
 
         /// <summary>
         /// Sending a message to all services of a specific group to the specified handler
@@ -387,7 +387,7 @@ namespace ZeroLevel.Network
         /// <param name="data">Messsage</param>
         /// <returns>true - on successful submission</returns>
         public bool SendBroadcastByGroup<T>(string serviceGroup, T data) =>
-            SendBroadcastByGroup(serviceGroup, ZBaseNetwork.DEFAULT_MESSAGE_INBOX, data);
+            SendBroadcastByGroup(serviceGroup, BaseSocket.DEFAULT_MESSAGE_INBOX, data);
 
         /// <summary>
         /// Broadcast polling services by key
@@ -445,7 +445,7 @@ namespace ZeroLevel.Network
         /// <param name="responseHandler">Response handler</param>
         /// <returns>true - in case of successful mailing</returns>
         public IEnumerable<Tresp> RequestBroadcast<Treq, Tresp>(string serviceKey, Treq data) =>
-            RequestBroadcast<Treq, Tresp>(serviceKey, ZBaseNetwork.DEFAULT_REQUEST_INBOX, data);
+            RequestBroadcast<Treq, Tresp>(serviceKey, BaseSocket.DEFAULT_REQUEST_INBOX, data);
 
         /// <summary>
         /// Broadcast polling of services by key, without message of request, to default handler
@@ -455,7 +455,7 @@ namespace ZeroLevel.Network
         /// <param name="responseHandler">Response handler</param>
         /// <returns>true - in case of successful mailing</returns>
         public IEnumerable<Tresp> RequestBroadcast<Tresp>(string serviceKey) =>
-            RequestBroadcast<Tresp>(serviceKey, ZBaseNetwork.DEFAULT_REQUEST_INBOX);
+            RequestBroadcast<Tresp>(serviceKey, BaseSocket.DEFAULT_REQUEST_INBOX);
 
         /// <summary>
         /// Broadcast polling services by type of service
@@ -513,7 +513,7 @@ namespace ZeroLevel.Network
         /// <param name="responseHandler">Response handler</param>
         /// <returns>true - in case of successful mailing</returns>
         public IEnumerable<Tresp> RequestBroadcastByType<Treq, Tresp>(string serviceType, Treq data) =>
-            RequestBroadcastByType<Treq, Tresp>(serviceType, ZBaseNetwork.DEFAULT_REQUEST_INBOX, data);
+            RequestBroadcastByType<Treq, Tresp>(serviceType, BaseSocket.DEFAULT_REQUEST_INBOX, data);
 
         /// <summary>
         /// Broadcast polling services by type, without message request, in the default handler
@@ -523,7 +523,7 @@ namespace ZeroLevel.Network
         /// <param name="responseHandler">Response handler</param>
         /// <returns>true - in case of successful mailing</returns>
         public IEnumerable<Tresp> RequestBroadcastByType<Tresp>(string serviceType) =>
-            RequestBroadcastByType<Tresp>(serviceType, ZBaseNetwork.DEFAULT_REQUEST_INBOX);
+            RequestBroadcastByType<Tresp>(serviceType, BaseSocket.DEFAULT_REQUEST_INBOX);
 
         /// <summary>
         /// Broadcast polling services for a group of services
@@ -581,7 +581,7 @@ namespace ZeroLevel.Network
         /// <param name="responseHandler">Response handler</param>
         /// <returns>true - in case of successful mailing</returns>
         public IEnumerable<Tresp> RequestBroadcastByGroup<Treq, Tresp>(string serviceGroup, Treq data) =>
-            RequestBroadcastByGroup<Treq, Tresp>(serviceGroup, ZBaseNetwork.DEFAULT_REQUEST_INBOX, data);
+            RequestBroadcastByGroup<Treq, Tresp>(serviceGroup, BaseSocket.DEFAULT_REQUEST_INBOX, data);
 
         /// <summary>
         ///Broadcast polling services for a group of services, without sending a request, to the default handler
@@ -591,11 +591,11 @@ namespace ZeroLevel.Network
         /// <param name="responseHandler">Response handler</param>
         /// <returns>true - in case of successful mailing</returns>
         public IEnumerable<Tresp> RequestBroadcastByGroup<Tresp>(string serviceGroup) =>
-            RequestBroadcastByGroup<Tresp>(serviceGroup, ZBaseNetwork.DEFAULT_REQUEST_INBOX);
+            RequestBroadcastByGroup<Tresp>(serviceGroup, BaseSocket.DEFAULT_REQUEST_INBOX);
 
         #region Private
 
-        private IEnumerable<Tresp> _RequestBroadcast<Treq, Tresp>(List<IExClient> clients, string inbox, Treq data)
+        private IEnumerable<Tresp> _RequestBroadcast<Treq, Tresp>(List<NetworkNode> clients, string inbox, Treq data)
         {
             var response = new List<Tresp>();
             using (var waiter = new CountdownEvent(clients.Count))
@@ -613,17 +613,17 @@ namespace ZeroLevel.Network
                         }
                         catch (Exception ex)
                         {
-                            Log.SystemError(ex, $"[Exchange] Error direct request to service '{client.Endpoint}' in broadcast request. Inbox '{inbox}'");
+                            Log.SystemError(ex, $"[Exchange] Error direct request to service '{client.EndPoint}' in broadcast request. Inbox '{inbox}'");
                             waiter.Signal();
                         }
                     });
                 }
-                waiter.Wait(ZBaseNetwork.MAX_REQUEST_TIME_MS);
+                waiter.Wait(BaseSocket.MAX_REQUEST_TIME_MS);
             }
             return response;
         }
 
-        private IEnumerable<Tresp> _RequestBroadcast<Tresp>(List<IExClient> clients, string inbox)
+        private IEnumerable<Tresp> _RequestBroadcast<Tresp>(List<NetworkNode> clients, string inbox)
         {
             var response = new List<Tresp>();
             using (var waiter = new CountdownEvent(clients.Count))
@@ -641,12 +641,12 @@ namespace ZeroLevel.Network
                         }
                         catch (Exception ex)
                         {
-                            Log.SystemError(ex, $"[Exchange] Error direct request to service '{client.Endpoint}' in broadcast request. Inbox '{inbox}'");
+                            Log.SystemError(ex, $"[Exchange] Error direct request to service '{client.EndPoint}' in broadcast request. Inbox '{inbox}'");
                             waiter.Signal();
                         }
                     });
                 }
-                waiter.Wait(ZBaseNetwork.MAX_REQUEST_TIME_MS);
+                waiter.Wait(BaseSocket.MAX_REQUEST_TIME_MS);
             }
             return response;
         }

ZeroLevel/Services/Network/ExchangeTransportFactory.cs

@@ -5,7 +5,7 @@ namespace ZeroLevel.Network
 {
     public static class ExchangeTransportFactory
     {
-        private static readonly ConcurrentDictionary<string, IExClient> _clientInstances = new ConcurrentDictionary<string, IExClient>();
+        private static readonly ConcurrentDictionary<string, NetworkNode> _clientInstances = new ConcurrentDictionary<string, NetworkNode>();
 
         /// <summary>
         /// Creates a server to receive messages using the specified protocol
@@ -22,13 +22,13 @@ namespace ZeroLevel.Network
         /// <param name="protocol">Protocol</param>
         /// <param name="endpoint">Server endpoint</param>
         /// <returns>Client</returns>
-        public static IExClient GetClientWithCache(string endpoint)
+        public static NetworkNode GetClientWithCache(string endpoint)
         {
-            IExClient instance = null;
+            NetworkNode instance = null;
             if (_clientInstances.ContainsKey(endpoint))
             {
                 instance = _clientInstances[endpoint];
-                if (instance.Status == ZTransportStatus.Working)
+                if (instance.Status == SocketClientStatus.Working)
                 {
                     return instance;
                 }
@@ -41,9 +41,9 @@ namespace ZeroLevel.Network
             return instance;
         }
 
-        public static IExClient GetClient(string endpoint)
+        public static NetworkNode GetClient(string endpoint)
         {
-            return new ExClient(new ZSocketClient(NetUtils.CreateIPEndPoint(endpoint)));
+            return new NetworkNode(new SocketClient(NetUtils.CreateIPEndPoint(endpoint)));
         }
     }
 }

ZeroLevel/Services/Network/FileTransfer/BaseFileTransfer.cs

@@ -2,11 +2,9 @@
 using System.Collections.Concurrent;
 using System.IO;
 using System.Threading;
-using ZeroLevel.Network;
-using ZeroLevel.Services.Network.FileTransfer.Model;
 using ZeroLevel.Services.Pools;
 
-namespace ZeroLevel.Services.Network.FileTransfer
+namespace ZeroLevel.Network.FileTransfer
 {
     public abstract class BaseFileTransfer
     {

ZeroLevel/Services/Network/FileTransfer/ClientFolderNameMapperDelegate.cs

@@ -1,6 +1,4 @@
-using ZeroLevel.Network;
+namespace ZeroLevel.Network.FileTransfer
-
-namespace ZeroLevel.Services.Network.FileTransfer
 {
-    public delegate string ClientFolderNameMapper(IExClient client);
+    public delegate string ClientFolderNameMapper(ISocketClient client);
 }

ZeroLevel/Services/Network/FileTransfer/FileClient.cs

@@ -1,21 +1,18 @@
 using System;
-using System.IO;
 using System.Threading;
 using ZeroLevel.Models;
-using ZeroLevel.Network;
-using ZeroLevel.Services.Network.FileTransfer.Model;
 
-namespace ZeroLevel.Services.Network.FileTransfer
+namespace ZeroLevel.Network.FileTransfer
 {
     public sealed class FileClient
         : BaseFileTransfer, IFileClient
     {
-        private readonly IExClient _client;
+        private readonly NetworkNode _client;
         private readonly string _baseFolder;
         private readonly ClientFolderNameMapper _nameMapper;
         private readonly bool _disposeClient;
 
-        internal FileClient(IExClient client, string baseFolder, ClientFolderNameMapper nameMapper, bool disposeClient)
+        internal FileClient(NetworkNode client, string baseFolder, ClientFolderNameMapper nameMapper, bool disposeClient)
             : base(baseFolder)
         {
             _client = client ?? throw new Exception(nameof(client));
@@ -23,9 +20,9 @@ namespace ZeroLevel.Services.Network.FileTransfer
             _nameMapper = nameMapper ?? throw new Exception(nameof(nameMapper));
             _disposeClient = disposeClient;
 
-            _client.RegisterInbox<FileStartFrame>("__upload_file_start", (f, _, __) => Receiver.Incoming(f, nameMapper(_client)));
+            _client.RegisterInbox<FileStartFrame>("__upload_file_start", (c, f) => Receiver.Incoming(f, nameMapper(c)));
-            _client.RegisterInbox<FileFrame>("__upload_file_frame", (f, _, __) => Receiver.Incoming(f));
+            _client.RegisterInbox<FileFrame>("__upload_file_frame", (c, f) => Receiver.Incoming(f));
-            _client.RegisterInbox<FileEndFrame>("__upload_file_complete", (f, _, __) => Receiver.Incoming(f));
+            _client.RegisterInbox<FileEndFrame>("__upload_file_complete", (c, f) => Receiver.Incoming(f));
         }
 
         public void Dispose()

ZeroLevel/Services/Network/FileTransfer/FileClientFactory.cs

@@ -1,7 +1,6 @@
-using ZeroLevel.Network;
+using ZeroLevel.Services.FileSystem;
-using ZeroLevel.Services.FileSystem;
 
-namespace ZeroLevel.Services.Network.FileTransfer
+namespace ZeroLevel.Network.FileTransfer
 {
     public static class FileClientFactory
     {
@@ -11,12 +10,12 @@ namespace ZeroLevel.Services.Network.FileTransfer
                 nameMapper ?? (c => FSUtils.FileNameCorrection($"{c.Endpoint.Address}_{c.Endpoint.Port}")), true);
         }
 
-        public static IFileClient Create(IExClient client, string baseFolder, ClientFolderNameMapper nameMapper = null)
+        public static IFileClient Create(NetworkNode client, string baseFolder, ClientFolderNameMapper nameMapper = null)
         {
             return CreateFileServerClient(client, baseFolder, nameMapper ?? (c => FSUtils.FileNameCorrection($"{c.Endpoint.Address}_{c.Endpoint.Port}")), false);
         }
 
-        private static IFileClient CreateFileServerClient(IExClient client, string baseFolder, ClientFolderNameMapper nameMapper, bool disposeClient)
+        private static IFileClient CreateFileServerClient(NetworkNode client, string baseFolder, ClientFolderNameMapper nameMapper, bool disposeClient)
         {
             return new FileClient(client, baseFolder, nameMapper, disposeClient);
         }

ZeroLevel/Services/Network/FileTransfer/FileReader.cs

@@ -1,9 +1,8 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
-using ZeroLevel.Services.Network.FileTransfer.Model;
 
-namespace ZeroLevel.Services.Network.FileTransfer
+namespace ZeroLevel.Network.FileTransfer
 {
     internal sealed class FileReader
     {

ZeroLevel/Services/Network/FileTransfer/FileReceiver.cs

@@ -2,9 +2,8 @@
 using System.Collections.Generic;
 using System.IO;
 using ZeroLevel.Models;
-using ZeroLevel.Services.Network.FileTransfer.Model;
 
-namespace ZeroLevel.Services.Network.FileTransfer
+namespace ZeroLevel.Network.FileTransfer
 {
     public class FileReceiver
     {

ZeroLevel/Services/Network/FileTransfer/FileServer.cs

@@ -1,9 +1,7 @@
 using System;
 using ZeroLevel.Models;
-using ZeroLevel.Network;
-using ZeroLevel.Services.Network.FileTransfer.Model;
 
-namespace ZeroLevel.Services.Network.FileTransfer
+namespace ZeroLevel.Network.FileTransfer
 {
     public sealed class FileServer
         : BaseFileTransfer, IFileServer
@@ -34,7 +32,7 @@ namespace ZeroLevel.Services.Network.FileTransfer
             }
         }
 
-        public void Send(IZBackward client, string fileName, Action<string> completeHandler = null, Action<string, string> errorHandler = null)
+        public void Send(ISocketClient client, string fileName, Action<string> completeHandler = null, Action<string, string> errorHandler = null)
         {
             PushTransferTask(fileName, completeHandler, errorHandler, client);
         }

ZeroLevel/Services/Network/FileTransfer/FileServerFactory.cs

@@ -1,7 +1,7 @@
 using ZeroLevel.Network;
 using ZeroLevel.Services.FileSystem;
 
-namespace ZeroLevel.Services.Network.FileTransfer
+namespace ZeroLevel.Network.FileTransfer
 {
     public static class FileServerFactory
     {

ZeroLevel/Services/Network/FileTransfer/IFileClient.cs

@@ -1,6 +1,6 @@
 using System;
 
-namespace ZeroLevel.Services.Network.FileTransfer
+namespace ZeroLevel.Network.FileTransfer
 {
     public interface IFileClient
         : IDisposable

ZeroLevel/Services/Network/FileTransfer/IFileServer.cs

@@ -1,11 +1,11 @@
 using System;
 using ZeroLevel.Network;
 
-namespace ZeroLevel.Services.Network.FileTransfer
+namespace ZeroLevel.Network.FileTransfer
 {
     public interface IFileServer
         : IDisposable
     {
-        void Send(IZBackward client, string fileName, Action<string> completeHandler = null, Action<string, string> errorHandler = null);
+        void Send(ISocketClient client, string fileName, Action<string> completeHandler = null, Action<string, string> errorHandler = null);
     }
 }

ZeroLevel/Services/Network/FileTransfer/Model/FileEndFrame.cs

@@ -1,6 +1,6 @@
 using ZeroLevel.Services.Serialization;
 
-namespace ZeroLevel.Services.Network.FileTransfer.Model
+namespace ZeroLevel.Network.FileTransfer
 {
     public sealed class FileEndFrame
         : IBinarySerializable, IFileTransferInfo

ZeroLevel/Services/Network/FileTransfer/Model/FileFrame.cs

@@ -1,6 +1,6 @@
 using ZeroLevel.Services.Serialization;
 
-namespace ZeroLevel.Services.Network.FileTransfer.Model
+namespace ZeroLevel.Network.FileTransfer
 {
     public sealed class FileFrame :
         IBinarySerializable, IFileTransferInfo

ZeroLevel/Services/Network/FileTransfer/Model/FileStartFrame.cs

@@ -1,7 +1,7 @@
 using System.Threading;
 using ZeroLevel.Services.Serialization;
 
-namespace ZeroLevel.Services.Network.FileTransfer.Model
+namespace ZeroLevel.Network.FileTransfer
 {
     public sealed class FileStartFrame
         : IBinarySerializable, IFileTransferInfo

ZeroLevel/Services/Network/FileTransfer/Model/FileTransferTask.cs

@@ -1,13 +1,12 @@
 using System;
-using ZeroLevel.Network;
 
-namespace ZeroLevel.Services.Network.FileTransfer.Model
+namespace ZeroLevel.Network.FileTransfer
 {
     internal class FileTransferTask
     {
         public string FilePath;
         public Action<string> CompletedHandler;
         public Action<string, string> ErrorHandler;
-        public IZBackward Client;
+        public ISocketClient Client;
     }
 }

ZeroLevel/Services/Network/FileTransfer/Model/IFileTransferInfo.cs

@@ -1,4 +1,4 @@
-namespace ZeroLevel.Services.Network.FileTransfer.Model
+namespace ZeroLevel.Network.FileTransfer
 {
     public enum FileTransferInfoType
     {

ZeroLevel/Services/Network/FileTransfer/ServerFolderNameMapperDelegate.cs

@@ -1,6 +1,6 @@
 using ZeroLevel.Network;
 
-namespace ZeroLevel.Services.Network.FileTransfer
+namespace ZeroLevel.Network.FileTransfer
 {
-    public delegate string ServerFolderNameMapperDelegate(IZBackward connection);
+    public delegate string ServerFolderNameMapperDelegate(ISocketClient connection);
 }

ZeroLevel/Services/Network/Model/Frame.cs

@@ -24,6 +24,22 @@ namespace ZeroLevel.Network
             return frame;
         }
 
+        public static Frame FromPool(string inbox)
+        {
+            var frame = _pool.Allocate();
+            frame.Inbox = inbox;
+            frame.Payload = null;
+            return frame;
+        }
+
+        public static Frame FromPool(string inbox, byte[] payload)
+        {
+            var frame = _pool.Allocate();
+            frame.Inbox = inbox;
+            frame.Payload = payload;
+            return frame;
+        }
+
         public void Release()
         {
             _pool.Free(this);
@@ -35,6 +51,8 @@ namespace ZeroLevel.Network
         [DataMember]
         public byte[] Payload { get; set; }
 
+        public bool IsRequest { get; set; }
+
         public Frame()
         {
         }

ZeroLevel/Services/Network/Model/FrameType.cs

@@ -1,4 +1,4 @@
-namespace ZeroLevel.Services._Network
+namespace ZeroLevel.Network
 {
     public enum FrameType
     {

ZeroLevel/Services/Network/Model/NetworkDelegates.cs

@@ -1,4 +1,4 @@
-namespace ZeroLevel.Services._Network
+namespace ZeroLevel.Network
 {
     public delegate void MessageHandler(ISocketClient client);
     public delegate void MessageHandler<T>(ISocketClient client, T message);

ZeroLevel/Services/Network/Model/SocketClientStatus.cs

@@ -1,7 +1,6 @@
 namespace ZeroLevel.Network
 {
-    public enum ZTransportStatus
+    public enum SocketClientStatus
-        : int
     {
         Initialized = 0,
         Working = 1,

ZeroLevel/Services/Network/NetworkNode.cs

@@ -0,0 +1,197 @@
+using System;
+using System.Net;
+using ZeroLevel.Models;
+using ZeroLevel.Services.Serialization;
+
+namespace ZeroLevel.Network
+{
+    public class NetworkNode
+        : IClient, IRouter, IDisposable
+    {
+        private FrameParser _parser = new FrameParser();
+        private readonly ISocketClient _client;
+        private readonly Router _router;
+        private DateTime _lastConnectionTime;
+        public IPEndPoint EndPoint => _client?.Endpoint;
+        public SocketClientStatus Status => _client.Status;
+
+        public NetworkNode(ISocketClient client)
+        {
+            _lastConnectionTime = DateTime.UtcNow;
+            _client = client;
+            _router = new Router();
+            _parser.OnIncoming += _parser_OnIncoming;
+            _client.OnIncomingData += _readerWriter_OnIncomingData;
+        }
+
+        private void _readerWriter_OnIncomingData(ISocketClient client, byte[] data, int length)
+        {
+            _parser.Push(data, length);
+        }
+
+        private void _parser_OnIncoming(FrameType type, int identity, byte[] data)
+        {
+            switch (type)
+            {
+                case FrameType.KeepAlive:
+                    _lastConnectionTime = DateTime.UtcNow;
+                    break;
+                case FrameType.Message:
+                    _router.HandleMessage(MessageSerializer.Deserialize<Frame>(data), _client);
+                    break;
+                case FrameType.Request:
+                    var response = _router.HandleRequest(MessageSerializer.Deserialize<Frame>(data), _client);
+                    _client.Response(response, identity);
+                    break;
+            }
+        }
+
+        public void ForceConnect() => _client.ForceConnect();
+
+        public InvokeResult Send(string inbox)
+        {
+            try
+            {
+                _client.Send(Frame.FromPool(inbox));
+            }
+            catch (Exception ex)
+            {
+                Log.Error(ex, "[NetworkNode.Send]");
+                return InvokeResult.Fault(ex.Message);
+            }
+            return InvokeResult.Succeeding();
+        }
+
+        public InvokeResult Send(string inbox, byte[] data)
+        {
+            try
+            {
+                _client.Send(Frame.FromPool(inbox, data));
+            }
+            catch (Exception ex)
+            {
+                Log.Error(ex, "[NetworkNode.Send]");
+                return InvokeResult.Fault(ex.Message);
+            }
+            return InvokeResult.Succeeding();
+        }
+
+        public InvokeResult Send<T>(string inbox, T message)
+        {
+            try
+            {
+                _client.Send(Frame.FromPool(inbox, MessageSerializer.SerializeCompatible<T>(message)));
+            }
+            catch (Exception ex)
+            {
+                Log.Error(ex, "[NetworkNode.Send]");
+                return InvokeResult.Fault(ex.Message);
+            }
+            return InvokeResult.Succeeding();
+        }
+
+        public InvokeResult Request(string inbox, Action<byte[]> callback)
+        {
+            try
+            {
+                _client.Request(Frame.FromPool(inbox), f => callback(f.Payload));
+            }
+            catch (Exception ex)
+            {
+                Log.Error(ex, "[NetworkNode.Request]");
+                return InvokeResult.Fault(ex.Message);
+            }
+            return InvokeResult.Succeeding();
+        }
+
+        public InvokeResult Request(string inbox, byte[] data, Action<byte[]> callback)
+        {
+            try
+            {
+                _client.Request(Frame.FromPool(inbox, data), f => callback(f.Payload));
+            }
+            catch (Exception ex)
+            {
+                Log.Error(ex, "[NetworkNode.Request]");
+                return InvokeResult.Fault(ex.Message);
+            }
+            return InvokeResult.Succeeding();
+        }
+
+        public InvokeResult Request<Tresponse>(string inbox, Action<Tresponse> callback)
+        {
+            try
+            {
+                _client.Request(Frame.FromPool(inbox), f => callback(MessageSerializer.DeserializeCompatible<Tresponse>(f.Payload)));
+            }
+            catch (Exception ex)
+            {
+                Log.Error(ex, "[NetworkNode.Request]");
+                return InvokeResult.Fault(ex.Message);
+            }
+            return InvokeResult.Succeeding();
+        }
+
+        public InvokeResult Request<Trequest, Tresponse>(string inbox, Trequest request, Action<Tresponse> callback)
+        {
+            try
+            {
+                _client.Request(Frame.FromPool(inbox, MessageSerializer.SerializeCompatible<Trequest>(request)), 
+                    f => callback(MessageSerializer.DeserializeCompatible<Tresponse>(f.Payload)));
+            }
+            catch (Exception ex)
+            {
+                Log.Error(ex, "[NetworkNode.Request]");
+                return InvokeResult.Fault(ex.Message);
+            }
+            return InvokeResult.Succeeding();
+        }
+
+        #region IRouter
+        public void RegisterInbox(string inbox, MessageHandler handler)
+        {
+            _router.RegisterInbox(inbox, handler);
+        }
+
+        public void RegisterInbox<T>(string inbox, MessageHandler<T> handler)
+        {
+            _router.RegisterInbox<T>(inbox, handler);
+        }
+
+        public void RegisterInbox(MessageHandler handler)
+        {
+            _router.RegisterInbox(handler);
+        }
+
+        public void RegisterInbox<T>(MessageHandler<T> handler)
+        {
+            _router.RegisterInbox<T>(handler);
+        }
+
+        public void RegisterInbox<Tresponse>(string inbox, RequestHandler<Tresponse> handler)
+        {
+            _router.RegisterInbox<Tresponse>(inbox, handler);
+        }
+
+        public void RegisterInbox<Trequest, Tresponse>(string inbox, RequestHandler<Trequest, Tresponse> handler)
+        {
+            _router.RegisterInbox<Trequest, Tresponse>(inbox, handler);
+        }
+
+        public void RegisterInbox<Tresponse>(RequestHandler<Tresponse> handler)
+        {
+            _router.RegisterInbox<Tresponse>(handler);
+        }
+
+        public void RegisterInbox<Trequest, Tresponse>(RequestHandler<Trequest, Tresponse> handler)
+        {
+            _router.RegisterInbox<Trequest, Tresponse>(handler);
+        }
+        #endregion
+
+        public void Dispose()
+        {
+            _client.Dispose();
+        }
+    }
+}

ZeroLevel/Services/Network/NetworkStreamDataObfuscator.cs

@@ -1,50 +0,0 @@
-using System;
-
-namespace ZeroLevel.Network
-{
-    public static class NetworkStreamFastObfuscator
-    {
-        public static byte[] PrepareData(byte[] data)
-        {
-            var packet = new byte[data.Length + 6];
-            packet[0] = 181;
-            Array.Copy(BitConverter.GetBytes(data.Length), 0, packet, 1, 4);
-            packet[5] = (byte)(packet[0] ^ packet[1] ^ packet[2] ^ packet[3] ^ packet[4]);
-            HashData(data, packet[5]);
-            Array.Copy(data, 0, packet, 6, data.Length);
-            return packet;
-        }
-
-        public static void HashData(byte[] data, byte initialmask)
-        {
-            if (data.Length == 0) return;
-            int i = 1;
-            data[0] ^= initialmask;
-            for (; i < (data.Length - 8); i += 8)
-            {
-                data[i + 0] ^= data[i - 1];
-                data[i + 1] ^= data[i + 0];
-                data[i + 2] ^= data[i + 1];
-                data[i + 3] ^= data[i + 2];
-                data[i + 4] ^= data[i + 3];
-                data[i + 5] ^= data[i + 4];
-                data[i + 6] ^= data[i + 5];
-                data[i + 7] ^= data[i + 6];
-            }
-            for (; i < data.Length; i++)
-            {
-                data[i] ^= data[i - 1];
-            }
-        }
-
-        public static void DeHashData(byte[] data, byte initialmask)
-        {
-            if (data.Length == 0) return;
-            for (var i = data.Length - 1; i > 0; i--)
-            {
-                data[i] ^= data[i - 1];
-            }
-            data[0] ^= initialmask;
-        }
-    }
-}

ZeroLevel/Services/Network/Services/ExClient.cs

@@ -1,124 +0,0 @@
-using System;
-using System.Net;
-using ZeroLevel.Models;
-
-namespace ZeroLevel.Network
-{
-    internal sealed class ExClient
-        : ZBaseNetwork, IExClient, IZBackward
-    {
-        private readonly IZTransport _transport;
-        private readonly ExRouter _router;
-        private readonly FrameExchange _fe;
-
-        public event Action Connected = () => { };
-
-        public new ZTransportStatus Status => _transport.Status;
-
-        public ExClient(IZTransport transport)
-        {
-            _transport = transport ?? throw new ArgumentNullException(nameof(transport));
-            transport.OnConnect += Transport_OnConnect;
-            _fe = new FrameExchange(transport);
-            _router = new ExRouter();
-            transport.OnServerMessage += Transport_OnServerMessage;
-        }
-
-        public void ForceConnect()
-        {
-            try
-            {
-                _transport.EnsureConnection();
-            }
-            catch { }
-        }
-
-        private void Transport_OnConnect()
-        {
-            Connected();
-        }
-
-        private void Transport_OnServerMessage(object sender, Frame e)
-        {
-            try
-            {
-                _router.HandleMessage(e, this);
-            }
-            catch (Exception ex)
-            {
-                Log.SystemError(ex, $"[ExClient] Fault handle server message");
-            }
-            finally
-            {
-                e?.Release();
-            }
-        }
-
-        public IPEndPoint Endpoint => _fe.Endpoint;
-
-        public override void Dispose()
-        {
-            _fe.Dispose();
-        }
-
-        public void RegisterInbox<T>(string inbox, Action<T, long, IZBackward> handler)
-        {
-            _router.RegisterInbox(inbox, handler);
-        }
-
-        public void RegisterInbox<T>(Action<T, long, IZBackward> handler)
-        {
-            _router.RegisterInbox(DEFAULT_MESSAGE_INBOX, handler);
-        }
-
-        public InvokeResult Request<Tresp>(Action<Tresp> callback)
-        {
-            return _fe.Request<Tresp>(DEFAULT_REQUEST_INBOX, resp => callback(resp));
-        }
-
-        public InvokeResult Request<Tresp>(string inbox, Action<Tresp> callback)
-        {
-            return _fe.Request<Tresp>(inbox, resp => callback(resp));
-        }
-
-        public InvokeResult Request<Treq, Tresp>(Treq obj, Action<Tresp> callback)
-        {
-            return _fe.Request<Treq, Tresp>(DEFAULT_REQUEST_INBOX, obj, resp => callback(resp));
-        }
-
-        public InvokeResult Request<Treq, Tresp>(string inbox, Treq obj, Action<Tresp> callback)
-        {
-            return _fe.Request<Treq, Tresp>(inbox, obj, resp => callback(resp));
-        }
-
-        public InvokeResult Send<T>(T obj)
-        {
-            return _fe.Send<T>(DEFAULT_MESSAGE_INBOX, obj);
-        }
-
-        public InvokeResult Send<T>(string inbox, T obj)
-        {
-            return _fe.Send<T>(inbox, obj);
-        }
-
-        public InvokeResult SendBackward(Frame frame)
-        {
-            return _fe.Send(frame);
-        }
-
-        public InvokeResult SendBackward<T>(string inbox, T obj)
-        {
-            return Send(inbox, obj);
-        }
-
-        public InvokeResult Send()
-        {
-            return _fe.Send(DEFAULT_MESSAGE_INBOX);
-        }
-
-        public InvokeResult Send(string inbox)
-        {
-            return _fe.Send(inbox);
-        }
-    }
-}

ZeroLevel/Services/Network/Services/FrameBuilder.cs

@@ -1,77 +0,0 @@
-using ZeroLevel.Services.Serialization;
-
-namespace ZeroLevel.Network
-{
-    public static class FrameBuilder
-    {
-        public static Frame BuildFrame<T>(T obj, string inbox)
-        {
-            var frame = Frame.FromPool();
-            frame.FrameId = Frame.GetMessageId();
-            frame.IsRequest = false;
-            frame.Inbox = inbox;
-            frame.Payload = MessageSerializer.SerializeCompatible(obj);
-            return frame;
-        }
-
-        public static Frame BuildFrame(string inbox)
-        {
-            var frame = Frame.FromPool();
-            frame.FrameId = Frame.GetMessageId();
-            frame.IsRequest = false;
-            frame.Inbox = inbox;
-            frame.Payload = null;
-            return frame;
-        }
-
-        public static Frame BuildRequestFrame<T>(T obj, string inbox)
-        {
-            var frame = Frame.FromPool();
-            frame.FrameId = Frame.GetMessageId();
-            frame.IsRequest = true;
-            frame.Inbox = inbox;
-            frame.Payload = MessageSerializer.SerializeCompatible(obj);
-            return frame;
-        }
-
-        public static Frame BuildRequestFrame(string inbox)
-        {
-            var frame = Frame.FromPool();
-            frame.FrameId = Frame.GetMessageId();
-            frame.IsRequest = true;
-            frame.Inbox = inbox;
-            frame.Payload = null;
-            return frame;
-        }
-
-        public static Frame BuildResponseFrame(object obj, Frame request)
-        {
-            var frame = Frame.FromPool();
-            frame.IsRequest = true;
-            frame.FrameId = request.FrameId;
-            frame.Inbox = request.Inbox;
-            frame.Payload = MessageSerializer.SerializeCompatible(obj);
-            return frame;
-        }
-
-        public static Frame BuildResponseFrame<T>(T obj, Frame request)
-        {
-            var frame = Frame.FromPool();
-            frame.IsRequest = true;
-            frame.FrameId = request.FrameId;
-            frame.Inbox = request.Inbox;
-            frame.Payload = MessageSerializer.SerializeCompatible(obj);
-            return frame;
-        }
-
-        public static Frame BuildResponseFrame<T>(T obj, Frame request, string inbox)
-        {
-            var frame = Frame.FromPool();
-            frame.IsRequest = true;
-            frame.FrameId = request.FrameId;
-            frame.Inbox = inbox;
-            frame.Payload = MessageSerializer.SerializeCompatible(obj);
-            return frame;
-        }
-    }
-}

ZeroLevel/Services/Network/Services/FrameExchange.cs

@@ -1,104 +0,0 @@
-using System;
-using System.Net;
-using ZeroLevel.Models;
-
-namespace ZeroLevel.Network
-{
-    internal sealed class FrameExchange
-        : IDisposable
-    {
-        private IZTransport _current;
-        public IPEndPoint Endpoint => _current?.Endpoint;
-        public bool IsConnected => _current?.Status == ZTransportStatus.Working;
-
-        public FrameExchange(IZTransport transport)
-        {
-            _current = transport ?? throw new ArgumentNullException(nameof(transport));
-        }
-
-        public InvokeResult Send<T>(string inbox, T obj)
-        {
-            try
-            {
-                var frame = FrameBuilder.BuildFrame(obj, inbox);
-                _current.Send(frame);
-                return InvokeResult.Succeeding();
-            }
-            catch (Exception ex)
-            {
-                Log.SystemError(ex, "[FrameExchange] Fault send frame");
-                return InvokeResult.Fault(ex.Message);
-            }
-        }
-
-        public InvokeResult Send(string inbox)
-        {
-            try
-            {
-                var frame = FrameBuilder.BuildFrame(inbox);
-                _current.Send(frame);
-                return InvokeResult.Succeeding();
-            }
-            catch (Exception ex)
-            {
-                Log.SystemError(ex, "[FrameExchange] Fault send frame");
-                return InvokeResult.Fault(ex.Message);
-            }
-        }
-
-        public InvokeResult Send(Frame frame)
-        {
-            try
-            {
-                _current.Send(frame);
-                return InvokeResult.Succeeding();
-            }
-            catch (Exception ex)
-            {
-                Log.SystemError(ex, "[FrameExchange] Fault send frame");
-                return InvokeResult.Fault(ex.Message);
-            }
-        }
-
-        public InvokeResult Request<Treq, Tresp>(string inbox, Treq obj, Action<Tresp> callback, Action<string> fault = null)
-        {
-            try
-            {
-                var frame = FrameBuilder.BuildRequestFrame(obj, inbox);
-                _current.Request(frame, response_data =>
-                {
-                    callback(response_data.Read<Tresp>());
-                }, fault);
-                return InvokeResult.Succeeding();
-            }
-            catch (Exception ex)
-            {
-                Log.SystemError(ex, "[FrameExchange] Fault send frame");
-                return InvokeResult.Fault(ex.Message);
-            }
-        }
-
-        public InvokeResult Request<Tresp>(string inbox, Action<Tresp> callback, Action<string> fault = null)
-        {
-            try
-            {
-                var frame = FrameBuilder.BuildRequestFrame(inbox);
-                _current.Request(frame, response_data =>
-                {
-                    callback(response_data.Read<Tresp>());
-                }, fault);
-                return InvokeResult.Succeeding();
-            }
-            catch (Exception ex)
-            {
-                Log.SystemError(ex, "[FrameExchange] Fault send frame");
-                return InvokeResult.Fault(ex.Message);
-            }
-        }
-
-        public void Dispose()
-        {
-            _current?.Dispose();
-        }
-    }
-}

ZeroLevel/Services/Network/Services/FrameParser.cs

@@ -1,191 +0,0 @@
-using System;
-using System.Threading.Tasks;
-using ZeroLevel.Services.Serialization;
-
-namespace ZeroLevel.Network
-{
-    public sealed class FrameParser
-    {
-        #region private models
-
-        private enum ParserState
-        {
-            WaitNew,
-            WaitSize,
-            Proceeding
-        }
-
-        private class _Accum
-        {
-            public byte[] Payload;
-            public int Size;
-            public bool SizeFilled;
-            public bool PayloadFilled;
-            public bool Corrupted;
-
-            public void Reset()
-            {
-                Size = 0;
-                offset = 0;
-                Payload = null;
-                SizeFilled = false;
-                PayloadFilled = false;
-                Corrupted = false;
-            }
-
-            private byte[] _size_buf = new byte[4];
-            private int offset;
-
-            public int WriteSize(byte[] buf, int start, int length)
-            {
-                for (; offset < 4 && start < length; offset++, start++)
-                {
-                    _size_buf[offset] = buf[start];
-                }
-                if (offset == 4)
-                {
-                    Size = BitConverter.ToInt32(_size_buf, 0);
-                    SizeFilled = true;
-                    offset = 0;
-                    if (Size == 0)
-                    {
-                        // At least 1 byte with checksum must be
-                        Corrupted = true;
-                    }
-                }
-                return start;
-            }
-
-            public int WritePayload(byte[] buf, int start, int length)
-            {
-                if (Payload == null)
-                {
-                    Payload = new byte[Size];
-                    var mask = ((byte)(ZBaseNetwork.PACKET_HEADER_START_BYTE ^ _size_buf[0] ^ _size_buf[1] ^ _size_buf[2] ^ _size_buf[3]));
-                    if (buf[start] != mask)
-                    {
-                        Corrupted = true;
-                        return start;
-                    }
-                    start = start + 1;
-                }
-                int i = start;
-                for (; offset < Size && i < length; offset++, i++)
-                {
-                    Payload[offset] = buf[i];
-                }
-                if (offset == Size)
-                {
-                    var mask = ((byte)(ZBaseNetwork.PACKET_HEADER_START_BYTE ^ _size_buf[0] ^ _size_buf[1] ^ _size_buf[2] ^ _size_buf[3]));
-                    NetworkStreamFastObfuscator.DeHashData(Payload, mask);
-                    PayloadFilled = true;
-                }
-                return i;
-            }
-        }
-
-        #endregion private models
-
-        private void FireOnFrame(byte[] payload)
-        {
-            Frame frame;
-            try
-            {
-                frame = MessageSerializer.Deserialize<Frame>(payload);
-            }
-            catch (Exception ex)
-            {
-                //NetworkStats.Corrupted();
-                Log.SystemError(ex, "[FrameParser] Fault deserialize frame from incomig data");
-                return;
-            }
-            try
-            {
-                Task.Run(() => OnIncomingFrame?.Invoke(frame));
-                //NetworkStats.Receive(payload);
-            }
-            catch (Exception ex)
-            {
-                Log.SystemError(ex, "[FrameParser] Fault handle frame");
-            }
-        }
-
-        public event Action<Frame> OnIncomingFrame;
-
-        private readonly _Accum _accum = new _Accum();
-
-        private ParserState _state = ParserState.WaitNew;
-        private readonly object _push_lock = new object();
-
-        /// <summary>
-        /// Parse with state machine
-        /// </summary>
-        public void Push(byte[] part, int start, int length)
-        {
-            lock (_push_lock)
-            {
-                __Push(part, start, length);
-            }
-        }
-
-        private void __Push(byte[] part, int start, int length)
-        {
-            if (part == null || length == 0 || start >= length) return;
-            while (start < length)
-            {
-                switch (_state)
-                {
-                    case ParserState.WaitNew:
-                        {
-                            for (; start < length; start++)
-                            {
-                                // Search for the beginning of the package header
-                                if ((part[start] & ZBaseNetwork.PACKET_HEADER_START_BYTE) == ZBaseNetwork.PACKET_HEADER_START_BYTE)
-                                {
-                                    _accum.Reset();
-                                    _state = ParserState.WaitSize;
-                                    start += 1;
-                                    break;
-                                }
-                            }
-                        }
-                        break;
-
-                    case ParserState.WaitSize:
-                        {
-                            start = _accum.WriteSize(part, start, length);
-                            if (_accum.SizeFilled)
-                            {
-                                if (_accum.Corrupted || _accum.Size < 1 || _accum.Size > ZBaseNetwork.MAX_FRAME_PAYLOAD_SIZE)
-                                {
-                                    //NetworkStats.Corrupted();
-                                    _state = ParserState.WaitNew;
-                                }
-                                else
-                                {
-                                    _state = ParserState.Proceeding;
-                                }
-                            }
-                        }
-                        break;
-
-                    case ParserState.Proceeding:
-                        {
-                            start = _accum.WritePayload(part, start, length);
-                            if (_accum.Corrupted)
-                            {
-                                // NetworkStats.Corrupted();
-                                _state = ParserState.WaitNew;
-                            }
-                            else if (_accum.PayloadFilled)
-                            {
-                                FireOnFrame(_accum.Payload);
-                                _state = ParserState.WaitNew;
-                            }
-                        }
-                        break;
-                }
-            }
-        }
-    }
-}

ZeroLevel/Services/Network/Services/ZExSocketObservableServer.cs

@@ -1,30 +0,0 @@
-using System;
-using System.Net;
-
-namespace ZeroLevel.Network
-{
-    public class ZExSocketObservableServer :
-        ZSocketServer, IZObservableServer
-    {
-        public ZExSocketObservableServer(IPEndPoint endpoint)
-            : base(endpoint)
-        {
-        }
-
-        public IPEndPoint Endpoint => base.LocalEndpoint;
-
-        public event Action<Frame, IZBackward> OnMessage = (_, __) => { };
-
-        public event Func<Frame, IZBackward, Frame> OnRequest = (_, __) => null;
-
-        protected override void Handle(Frame frame, IZBackward client)
-        {
-            OnMessage(frame, client);
-        }
-
-        protected override Frame HandleRequest(Frame frame, IZBackward client)
-        {
-            return OnRequest(frame, client);
-        }
-    }
-}

ZeroLevel/Services/Network/SocketClient.cs

@@ -7,207 +7,174 @@ using ZeroLevel.Services.Serialization;
 
 namespace ZeroLevel.Network
 {
-    public class ZSocketClient
+    public class SocketClient
-        : ZBaseNetwork, IZTransport
+        : BaseSocket, ISocketClient
     {
-        
-
         #region Private
 
         private Socket _clientSocket;
         private NetworkStream _stream;
         private FrameParser _parser = new FrameParser();
         private Thread _sendThread;
-        private long _heartbeat_key;
+        private long _heartbeat_key = -1;
         private long _last_rw_time = DateTime.UtcNow.Ticks;
         private readonly byte[] _buffer = new byte[DEFAULT_RECEIVE_BUFFER_SIZE];
         private readonly object _reconnection_lock = new object();
-
+        private readonly BlockingCollection<SendInfo> _send_queue = new BlockingCollection<SendInfo>();
-        private readonly BlockingCollection<Frame> _send_queue = new BlockingCollection<Frame>();
-
         private readonly RequestBuffer _requests = new RequestBuffer();
+        private int _current_heartbeat_period_in_ms = 0;
+        private bool _socket_freezed = false; // используется для связи сервер-клиент, запрещает пересоздание сокета
 
+        private struct SendInfo
+        {
+            public bool isRequest;
+            public int identity;
+            public byte[] data;
+        }
         #endregion Private
 
-        public event EventHandler<Frame> OnServerMessage = (_, __) => { };
-        public event Action OnConnect = () => { };
-        public event Action OnDisconnect = () => { };
-
-        public IPEndPoint Endpoint { get; }
         public bool IsEmptySendQueue { get { return _send_queue.Count == 0; } }
 
-        public ZSocketClient(IPEndPoint ep)
+        public SocketClient(IPEndPoint ep)
         {
             Endpoint = ep;
-            _parser.OnIncomingFrame += _parser_OnIncomingFrame;
+            _parser.OnIncoming += _parser_OnIncoming;
-
+            _sendThread = new Thread(SendFramesJob);
-            _heartbeat_key = Sheduller.RemindEvery(TimeSpan.FromMilliseconds(HEARTBEAT_UPDATE_PERIOD_MS), Heartbeat);
+            _sendThread.IsBackground = true;
+            _sendThread.Start();
+        }
 
+        public SocketClient(Socket socket)
+        {
+            _socket_freezed = true;
+            _clientSocket = socket;
+            Endpoint = (IPEndPoint)_clientSocket.RemoteEndPoint;
+            _parser.OnIncoming += _parser_OnIncoming;
             _sendThread = new Thread(SendFramesJob);
             _sendThread.IsBackground = true;
             _sendThread.Start();
         }
 
-        #region Private methods
+        #region API
+        public event Action<ISocketClient> OnConnect = (s) => { };
+        public event Action<ISocketClient> OnDisconnect = (s) => { };
+        public event Action<ISocketClient, byte[], int> OnIncomingData = (_, __, ___) => { };
+        public IPEndPoint Endpoint { get; }
 
-        private void Heartbeat()
+        public void Request(Frame frame, Action<Frame> callback, Action<string> fail = null)
         {
-            try
+            if (frame == null) throw new ArgumentNullException(nameof(frame));
-            {
+            if (frame != null && false == _send_queue.IsAddingCompleted)
-                EnsureConnection();
-            }
-            catch(Exception ex)
-            {
-                Log.SystemError(ex, "ZSocketClient.Heartbeat()->EnsureConnection()");
-                Broken();
-                return;
-            }
-            _requests.TestForTimeouts();
-            try
-            {
-                Request(FrameBuilder.BuildFrame(DEFAULT_PING_INBOX), r => { });
-            }
-            catch (Exception ex)
-            {
-                Log.SystemError(ex, "ZSocketClient.Heartbeat()->Request()");
-            }
-            var diff_request_ms = ((DateTime.UtcNow.Ticks - _last_rw_time) / TimeSpan.TicksPerMillisecond);
-            if (diff_request_ms > (HEARTBEAT_UPDATE_PERIOD_MS * 2))
             {
-                var port = (_clientSocket.LocalEndPoint as IPEndPoint)?.Port;
+                while (_send_queue.Count >= MAX_SEND_QUEUE_SIZE)
-                Log.Debug($"[ZClient] server disconnected, because last data was more thas {diff_request_ms} ms ago. Client port {port}");
+                {
-                Broken();
+                    Thread.Sleep(50);
+                }
+                int id;
+                var sendInfo = new SendInfo
+                {
+                    isRequest = true,
+                    data = NetworkPacketFactory.Reqeust(MessageSerializer.Serialize(frame), out id)
+                };
+                sendInfo.identity = id;
+                _requests.RegisterForFrame(id, callback, fail);
+                _send_queue.Add(sendInfo);
+                frame.Release();
             }
         }
 
-        private void _parser_OnIncomingFrame(Frame frame)
+        public void ForceConnect()
         {
-            if (frame == null || frame.Inbox == null) return;
+            EnsureConnection();
-            _last_rw_time = DateTime.UtcNow.Ticks;
+        }
-            if (frame.IsRequest)
+
+        public void Send(Frame frame)
+        {
+            if (frame == null) throw new ArgumentNullException(nameof(frame));
+            if (frame != null && false == _send_queue.IsAddingCompleted)
             {
-                // Got response on request with id = packet_id
+                while (_send_queue.Count >= MAX_SEND_QUEUE_SIZE)
-                try
                 {
-                    _requests.Success(frame.FrameId, frame);
+                    Thread.Sleep(50);
                 }
-                catch (Exception ex)
+                _send_queue.Add(new SendInfo
                 {
-                    Log.SystemError(ex, "ZSocketClient._parser_OnIncomingFrame()->_requests.Success(). Fault handle response");
+                    isRequest = false,
-                }
+                    identity = 0,
+                    data = NetworkPacketFactory.Message(MessageSerializer.Serialize(frame))
+                });
+                frame.Release();
             }
-            else
+        }
+
+        public void Response(byte[] data, int identity)
+        {
+            if (data == null) throw new ArgumentNullException(nameof(data));
+            if (false == _send_queue.IsAddingCompleted)
             {
-                // Got server comand
+                while (_send_queue.Count >= MAX_SEND_QUEUE_SIZE)
-                if (frame.Inbox.Equals(DEFAULT_PING_INBOX, StringComparison.Ordinal))
                 {
-                    _last_rw_time = DateTime.UtcNow.Ticks;
+                    Thread.Sleep(50);
                 }
-                else
+                _send_queue.Add(new SendInfo
                 {
-                    try
+                    isRequest = false,
-                    {
+                    identity = 0,
-                        OnServerMessage?.Invoke(this, frame);
+                    data = NetworkPacketFactory.Response(data, identity)
-                    }
+                });
-                    catch (Exception ex)
-                    {
-                        Log.SystemError(ex, "ZSocketClient._parser_OnIncomingFrame()->OnServerMessage?.Invoke(). Fault handle server message");
-                    }
-                }
             }
-            frame?.Release();
         }
 
-        private void ReceiveAsyncCallback(IAsyncResult ar)
+        public void UseKeepAlive(TimeSpan period)
         {
-            try
+            if (_heartbeat_key != -1)
             {
-                EnsureConnection();
+                Sheduller.Remove(_heartbeat_key);
-                var count = _stream.EndRead(ar);
-                if (count > 0)
-                {
-                    _parser.Push(_buffer, 0, count);
-                    _last_rw_time = DateTime.UtcNow.Ticks;
-                }
-                if (Status == ZTransportStatus.Working)
-                {
-                    _stream.BeginRead(_buffer, 0, DEFAULT_RECEIVE_BUFFER_SIZE, ReceiveAsyncCallback, null);
-                }
             }
-            catch (ObjectDisposedException)
+            if (period != TimeSpan.Zero && period.TotalMilliseconds > MINIMUM_HEARTBEAT_UPDATE_PERIOD_MS)
             {
-                /// Nothing
+                _current_heartbeat_period_in_ms = (int)period.TotalMilliseconds;
+                _heartbeat_key = Sheduller.RemindEvery(period, Heartbeat);
             }
-            catch (Exception ex)
+            else
             {
-                Log.SystemError(ex, $"[ZSocketServerClient] Error read data");
+                _current_heartbeat_period_in_ms = 0;
-                Broken();
-                OnDisconnect();
             }
         }
+        #endregion
 
-        private void SendFramesJob()
+        #region Private methods
+        private void _parser_OnIncoming(FrameType type, int identity, byte[] data)
         {
-            Frame frame = null;
+            try
-            while (Status != ZTransportStatus.Disposed)
             {
-                if (_send_queue.IsCompleted)
+                switch (type)
-                {
-                    return;
-                }
-                if (Status != ZTransportStatus.Working)
-                {
-                    Thread.Sleep(100);
-                    try
-                    {
-                        EnsureConnection();                        
-                    }
-                    catch (Exception ex)
-                    {
-                        Log.SystemError(ex, "[ZSocketClient] Send next frame fault");
-                    }
-                    if (Status == ZTransportStatus.Disposed) return;
-                    continue;
-                }
-                try
                 {
-                    frame = _send_queue.Take();
+                    case FrameType.KeepAlive:
-                    var data = NetworkStreamFastObfuscator.PrepareData(MessageSerializer.Serialize(frame));
-                    if (data != null && data.Length > 0)
-                    {
-                        if (frame.IsRequest)
-                        {
-                            _requests.StartSend(frame.FrameId);
-                        }
-                        _stream.Write(data, 0, data.Length);
                         _last_rw_time = DateTime.UtcNow.Ticks;
-                        //NetworkStats.Send(data);
+                        break;
-                    }
+                    case FrameType.Message:
-                }
+                    case FrameType.Request:
-                catch (Exception ex)
+                        OnIncomingData(this, data, identity);
-                {
+                        break;
-                    Log.SystemError(ex, $"[ZSocketServerClient] Backward send error.");
+                    case FrameType.Response:
-                    Broken();
+                        _requests.Success(identity, MessageSerializer.Deserialize<Frame>(data));
-                    OnDisconnect();
+                        break;
-                }
-                finally
-                {
-                    frame?.Release();
                 }
             }
+            catch (Exception ex)
+            {
+                Log.Error(ex, $"[SocketClient._parser_OnIncoming]");
+            }
         }
 
-        #endregion Private methods
-
-        #region API
-
         private bool TryConnect()
         {
-            if (Status == ZTransportStatus.Working)
+            if (Status == SocketClientStatus.Working)
             {
                 return true;
             }
-            if (Status == ZTransportStatus.Disposed)
+            if (Status == SocketClientStatus.Disposed)
             {
                 return false;
             }
@@ -235,24 +202,28 @@ namespace ZeroLevel.Network
             }
             catch (Exception ex)
             {
-                Log.SystemError(ex, $"[ZSocketClient] Connection fault");
+                Log.SystemError(ex, $"[SocketClient.TryConnect] Connection fault");
                 Broken();
                 return false;
             }
             Working();
-            OnConnect();
+            OnConnect(this);
             return true;
         }
 
         public void EnsureConnection()
         {
+            if (_socket_freezed)
+            {
+                return;
+            }
             lock (_reconnection_lock)
             {
-                if (Status == ZTransportStatus.Disposed)
+                if (Status == SocketClientStatus.Disposed)
                 {
                     throw new ObjectDisposedException("connection");
                 }
-                if (Status != ZTransportStatus.Working)
+                if (Status != SocketClientStatus.Working)
                 {
                     if (false == TryConnect())
                     {
@@ -262,47 +233,112 @@ namespace ZeroLevel.Network
             }
         }
 
-        public void Send(Frame frame)
+        private void Heartbeat()
         {
-            if (frame == null) throw new ArgumentNullException(nameof(frame));
+            try
-            EnsureConnection();
+            {
-            if (frame != null && false == _send_queue.IsAddingCompleted)
+                EnsureConnection();
+            }
+            catch (Exception ex)
+            {
+                Log.SystemError(ex, "[SocketClient.Heartbeat.EnsureConnection]");
+                Broken();
+                return;
+            }
+            _requests.TestForTimeouts();
+            try
             {
-                while (_send_queue.Count >= ZBaseNetwork.MAX_SEND_QUEUE_SIZE)
+                _send_queue.Add(new SendInfo
                 {
-                    Thread.Sleep(50);
+                    identity = 0,
-                }
+                    isRequest = false,
-                _send_queue.Add(frame);
+                    data = NetworkPacketFactory.KeepAliveMessage()
+                });
+            }
+            catch (Exception ex)
+            {
+                Log.SystemError(ex, "[SocketClient.Heartbeat.Request]");
+            }
+            var diff_request_ms = ((DateTime.UtcNow.Ticks - _last_rw_time) / TimeSpan.TicksPerMillisecond);
+            if (diff_request_ms > (_current_heartbeat_period_in_ms * 2))
+            {
+                var port = (_clientSocket.LocalEndPoint as IPEndPoint)?.Port;
+                Log.Debug($"[SocketClient.Heartbeat] server disconnected, because last data was more thas {diff_request_ms} ms ago. Client port {port}");
+                Broken();
             }
         }
 
-        public void Request(Frame frame, Action<Frame> callback, Action<string> fail = null)
+        private void ReceiveAsyncCallback(IAsyncResult ar)
         {
-            if (frame == null) throw new ArgumentNullException(nameof(frame));
             try
             {
                 EnsureConnection();
+                var count = _stream.EndRead(ar);
+                if (count > 0)
+                {
+                    _parser.Push(_buffer, count);
+                    _last_rw_time = DateTime.UtcNow.Ticks;
+                }
+                if (Status == SocketClientStatus.Working)
+                {
+                    _stream.BeginRead(_buffer, 0, DEFAULT_RECEIVE_BUFFER_SIZE, ReceiveAsyncCallback, null);
+                }
             }
-            catch (Exception ex)
+            catch (ObjectDisposedException)
-            {
-                fail?.Invoke(ex.Message);
-                return;
-            }
-            _requests.RegisterForFrame(frame, callback, fail);
-            try
             {
-                Send(frame);
+                /// Nothing
             }
             catch (Exception ex)
             {
-                fail?.Invoke(ex.Message);
+                Log.SystemError(ex, $"[SocketClient.ReceiveAsyncCallback] Error read data");
                 Broken();
-                OnDisconnect();
+                OnDisconnect(this);
-                Log.SystemError(ex, $"[ZSocketClient] Request error. Frame '{frame.FrameId}'. Inbox '{frame.Inbox}'");
+            }
+        }
+
+        private void SendFramesJob()
+        {
+            SendInfo frame;
+            while (Status != SocketClientStatus.Disposed)
+            {
+                if (_send_queue.IsCompleted)
+                {
+                    return;
+                }
+                if (Status != SocketClientStatus.Working)
+                {
+                    Thread.Sleep(100);
+                    try
+                    {
+                        EnsureConnection();
+                    }
+                    catch (Exception ex)
+                    {
+                        Log.SystemError(ex, "[SocketClient.SendFramesJob] Send next frame fault");
+                    }
+                    if (Status == SocketClientStatus.Disposed) return;
+                    continue;
+                }
+                try
+                {
+                    frame = _send_queue.Take();
+                    if (frame.isRequest)
+                    {
+                        _requests.StartSend(frame.identity);
+                    }
+                    _stream.Write(frame.data, 0, frame.data.Length);
+                    _last_rw_time = DateTime.UtcNow.Ticks;
+                }
+                catch (Exception ex)
+                {
+                    Log.SystemError(ex, $"[SocketClient.SendFramesJob] Backward send error.");
+                    Broken();
+                    OnDisconnect(this);
+                }
             }
         }
 
-        #endregion API
+        #endregion
 
         #region Helper
 
@@ -318,9 +354,9 @@ namespace ZeroLevel.Network
 
         public override void Dispose()
         {
-            if (Status == ZTransportStatus.Working)
+            if (Status == SocketClientStatus.Working)
             {
-                OnDisconnect();
+                OnDisconnect(this);
             }
             Disposed();
             Sheduller.Remove(_heartbeat_key);

ZeroLevel/Services/Network/SocketServer.cs

@@ -0,0 +1,119 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Net.Sockets;
+using System.Threading;
+
+namespace ZeroLevel.Network
+{
+    public class SocketServer
+        : BaseSocket
+    {
+        private Socket _serverSocket;
+        private ReaderWriterLockSlim _connection_set_lock = new ReaderWriterLockSlim();
+        private Dictionary<IPEndPoint, NetworkNode> _connections = new Dictionary<IPEndPoint, NetworkNode>();
+
+        public IPEndPoint LocalEndpoint { get; }
+        public event Action<ISocketClient> OnDisconnect = _ => { };
+        public event Action<ISocketClient> OnConnect = _ => { };
+        public IEnumerable<IPEndPoint> ConnectionList
+        {
+            get
+            {
+                try
+                {
+                    _connection_set_lock.EnterReadLock();
+                    return _connections.Select(c => c.Value.EndPoint).ToList();
+                }
+                finally
+                {
+                    _connection_set_lock.ExitReadLock();
+                }
+            }
+        }
+        private void DisconnectEventRise(ISocketClient client)
+        {
+            try
+            {
+                OnDisconnect?.Invoke(client);
+            }
+            catch
+            { }
+        }
+        private void ConnectEventRise(ISocketClient client)
+        {
+            try
+            {
+                OnConnect?.Invoke(client);
+            }
+            catch
+            { }
+        }
+
+        public SocketServer(IPEndPoint endpoint)
+        {
+            LocalEndpoint = endpoint;
+            _serverSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
+            _serverSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.KeepAlive, true);
+            _serverSocket.Bind(endpoint);
+            _serverSocket.Listen(100);
+            Working();
+            _serverSocket.BeginAccept(BeginAcceptCallback, null);
+        }
+
+        private void BeginAcceptCallback(IAsyncResult ar)
+        {
+            if (Status == SocketClientStatus.Working)
+            {
+                try
+                {
+                    var client_socket = _serverSocket.EndAccept(ar);
+                    _serverSocket.BeginAccept(BeginAcceptCallback, null);
+                    _connection_set_lock.EnterWriteLock();
+
+                    var connection = new SocketClient(client_socket);
+                    connection.OnDisconnect += Connection_OnDisconnect;
+                    _connections[connection.Endpoint] = new NetworkNode(connection);
+
+                    ConnectEventRise(connection);
+                }
+                catch (Exception ex)
+                {
+                    Broken();
+                    Log.SystemError(ex, "[ZSocketServer] Error with connect accepting");
+                }
+                finally
+                {
+                    _connection_set_lock.ExitWriteLock();
+                }
+            }
+        }
+
+        private void Connection_OnIncomingData(ISocketClient client, byte[] data, int identity)
+        {
+            throw new NotImplementedException();
+        }
+
+        private void Connection_OnDisconnect(ISocketClient client)
+        {
+            client.OnDisconnect -= Connection_OnDisconnect;
+            try
+            {
+                _connection_set_lock.EnterWriteLock();
+                _connections[client.Endpoint].Dispose();
+                _connections.Remove(client.Endpoint);
+            }
+            finally
+            {
+                _connection_set_lock.ExitWriteLock();
+            }
+            DisconnectEventRise(client);
+        }
+
+        public override void Dispose()
+        {
+
+        }
+    }
+}

ZeroLevel/Services/Network/Utils/FrameParser.cs

@@ -1,9 +1,7 @@
 using System;
 using System.Threading.Tasks;
-using ZeroLevel.Network;
-using ZeroLevel.Services._Network;
 
-namespace ZeroLevel._Network
+namespace ZeroLevel.Network
 {
     public sealed class FrameParser
     {
@@ -130,6 +128,7 @@ namespace ZeroLevel._Network
         }
 
         #endregion private models
+
         public event Action<FrameType, int, byte[]> OnIncoming;
 
         private readonly _Accum _accum = new _Accum();
@@ -187,7 +186,7 @@ namespace ZeroLevel._Network
                             position = _accum.WriteSize(part, position, length);
                             if (_accum.SizeFilled)
                             {
-                                if (_accum.Corrupted || _accum.Size < 1 || _accum.Size > ZBaseNetwork.MAX_FRAME_PAYLOAD_SIZE)
+                                if (_accum.Corrupted || _accum.Size < 1 || _accum.Size > BaseSocket.MAX_FRAME_PAYLOAD_SIZE)
                                 {
                                     _state = ParserState.WaitNew;
                                 }

ZeroLevel/Services/Network/Utils/NetworkPacketFactory.cs

@@ -2,7 +2,7 @@
 using System.Runtime.CompilerServices;
 using System.Threading;
 
-namespace ZeroLevel.Services._Network
+namespace ZeroLevel.Network
 {
     public static class NetworkPacketFactory
     {

ZeroLevel/Services/Network/Utils/RequestBuffer.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using ZeroLevel.Network;
 using ZeroLevel.Services.Pools;
 
 namespace ZeroLevel.Network
@@ -11,13 +10,13 @@ namespace ZeroLevel.Network
         private Dictionary<long, RequestInfo> _requests = new Dictionary<long, RequestInfo>();
         private static ObjectPool<RequestInfo> _ri_pool = new ObjectPool<RequestInfo>(() => new RequestInfo());
 
-        public void RegisterForFrame(Frame frame, Action<Frame> callback, Action<string> fail = null)
+        public void RegisterForFrame(int identity, Action<Frame> callback, Action<string> fail = null)
         {
             var ri = _ri_pool.Allocate();
             lock (_reqeust_lock)
             {
                 ri.Reset(callback, fail);
-                _requests.Add(frame.FrameId, ri);
+                _requests.Add(identity, ri);
             }
         }
 
@@ -83,7 +82,7 @@ namespace ZeroLevel.Network
                 {
                     if (pair.Value.Sended == false) continue;
                     var diff = now_ticks - pair.Value.Timestamp;
-                    if (diff > ZBaseNetwork.MAX_REQUEST_TIME_TICKS)
+                    if (diff > BaseSocket.MAX_REQUEST_TIME_TICKS)
                     {
                         to_remove.Add(pair.Key);
                     }

ZeroLevel/Services/Network/Utils/Router.cs

@@ -8,7 +8,8 @@ using ZeroLevel.Services.Serialization;
 
 namespace ZeroLevel.Network
 {
-    internal sealed class ExRouter
+    public class Router
+        : IRouter
     {
         #region Routing
 
@@ -47,7 +48,7 @@ namespace ZeroLevel.Network
             private Type _typeResp;
             private bool _noArguments = false;
 
-            public static MRInvoker Create(Action<long, IZBackward> handler)
+            public static MRInvoker Create(MessageHandler handler)
             {
                 return new MRInvoker
                 {
@@ -59,7 +60,7 @@ namespace ZeroLevel.Network
                 };
             }
 
-            public static MRInvoker Create<T>(Action<T, long, IZBackward> handler)
+            public static MRInvoker Create<T>(MessageHandler<T> handler)
             {
                 return new MRInvoker
                 {
@@ -70,50 +71,51 @@ namespace ZeroLevel.Network
                 };
             }
 
-            public static MRInvoker Create<Treq, Tresp>(Func<Treq, long, IZBackward, Tresp> handler)
+            public static MRInvoker Create<Tresponse>(RequestHandler<Tresponse> handler)
             {
                 return new MRInvoker
                 {
-                    _typeReq = typeof(Treq),
+                    _noArguments = true,
-                    _typeResp = typeof(Tresp),
+                    _typeReq = null,
+                    _typeResp = typeof(Tresponse),
                     _instance = handler.Target,
                     _invoker = CreateCompiledExpression(handler)
                 };
             }
 
-            public static MRInvoker Create<Tresp>(Func<long, IZBackward, Tresp> handler)
+            public static MRInvoker Create<Trequest, Tresponse>(RequestHandler<Trequest, Tresponse> handler)
             {
                 return new MRInvoker
                 {
-                    _typeReq = null,
+                    _typeReq = typeof(Trequest),
-                    _typeResp = typeof(Tresp),
+                    _typeResp = typeof(Tresponse),
                     _instance = handler.Target,
                     _invoker = CreateCompiledExpression(handler)
                 };
             }
 
-            public object Invoke(Frame frame, IZBackward client)
+            public object Invoke(byte[] data, ISocketClient client)
             {
                 if (_typeResp == null)
                 {
-                    var incoming = MessageSerializer.DeserializeCompatible(_typeReq, frame.Payload);
+                    var incoming = (_typeReq == typeof(byte[])) ? data : MessageSerializer.DeserializeCompatible(_typeReq, data);
                     if (_noArguments)
                     {
-                        this._invoker.Invoke(this._instance, new object[] { frame.FrameId, client });
+                        this._invoker.Invoke(this._instance, new object[] { client });
                     }
                     else
                     {
-                        this._invoker.Invoke(this._instance, new object[] { incoming, frame.FrameId, client });
+                        this._invoker.Invoke(this._instance, new object[] { incoming, client });
                     }
                 }
                 else if (_typeReq == null)
                 {
-                    return this._invoker.Invoke(this._instance, new object[] { frame.FrameId, client });
+                    return this._invoker.Invoke(this._instance, new object[] { client });
                 }
                 else
                 {
-                    var incoming = MessageSerializer.DeserializeCompatible(_typeReq, frame.Payload);
+                    var incoming = (_typeReq == typeof(byte[])) ? data : MessageSerializer.DeserializeCompatible(_typeReq, data);
-                    return this._invoker.Invoke(this._instance, new object[] { incoming, frame.FrameId, client });
+                    return this._invoker.Invoke(this._instance, new object[] { incoming, client });
                 }
                 return null;
             }
@@ -127,9 +129,57 @@ namespace ZeroLevel.Network
 
         #endregion Routing
 
-        #region Registration
+        #region Invokation
+
+        public void HandleMessage(Frame frame, ISocketClient client)
+        {
+            try
+            {
+                if (_handlers.ContainsKey(frame.Inbox))
+                {
+                    foreach (var handler in _handlers[frame.Inbox])
+                    {
+                        try
+                        {
+                            handler.Invoke(frame.Payload, client);
+                        }
+                        catch (Exception ex)
+                        {
+                            Log.SystemError(ex, $"[ExRouter] Fault handle incomind message");
+                        }
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                Log.SystemError(ex, $"[ExRouter] Fault handle incomind message");
+            }
+        }
 
-        public void RegisterInbox(string inbox, Action<long, IZBackward> handler)
+        public byte[] HandleRequest(Frame frame, ISocketClient client)
+        {
+            try
+            {
+                if (_requestors.ContainsKey(frame.Inbox))
+                {
+                    return MessageSerializer.SerializeCompatible(_requestors[frame.Inbox].Invoke(frame.Payload, client));
+                }
+                else
+                {
+                    Log.SystemWarning($"[ExRouter] Not found inbox '{frame.Inbox}' for incoming request");
+                }
+            }
+            catch (Exception ex)
+            {
+                Log.SystemError(ex, $"[ExRouter] Fault handle incomind request");
+            }
+            return null;
+        }
+
+        #endregion Invokation
+
+        #region Message handlers registration
+        public void RegisterInbox(string inbox, MessageHandler handler)
         {
             if (false == _handlers.ContainsKey(inbox))
             {
@@ -138,7 +188,7 @@ namespace ZeroLevel.Network
             _handlers[inbox].Add(MRInvoker.Create(handler));
         }
 
-        public void RegisterInbox<T>(string inbox, Action<T, long, IZBackward> handler)
+        public void RegisterInbox<T>(string inbox, MessageHandler<T> handler)
         {
             if (false == _handlers.ContainsKey(inbox))
             {
@@ -147,11 +197,31 @@ namespace ZeroLevel.Network
             _handlers[inbox].Add(MRInvoker.Create<T>(handler));
         }
 
-        public void RegisterInbox<Treq, Tresp>(string inbox, Func<Treq, long, IZBackward, Tresp> hanlder)
+        public void RegisterInbox(MessageHandler handler)
+        {
+            if (false == _handlers.ContainsKey(BaseSocket.DEFAULT_MESSAGE_INBOX))
+            {
+                _handlers.Add(BaseSocket.DEFAULT_MESSAGE_INBOX, new List<MRInvoker>());
+            }
+            _handlers[BaseSocket.DEFAULT_MESSAGE_INBOX].Add(MRInvoker.Create(handler));
+        }
+
+        public void RegisterInbox<T>(MessageHandler<T> handler)
+        {
+            if (false == _handlers.ContainsKey(BaseSocket.DEFAULT_MESSAGE_INBOX))
+            {
+                _handlers.Add(BaseSocket.DEFAULT_MESSAGE_INBOX, new List<MRInvoker>());
+            }
+            _handlers[BaseSocket.DEFAULT_MESSAGE_INBOX].Add(MRInvoker.Create<T>(handler));
+        }
+        #endregion 
+
+        #region Request handlers registration
+        public void RegisterInbox<Tresponse>(string inbox, RequestHandler<Tresponse> handler)
         {
             if (false == _requestors.ContainsKey(inbox))
             {
-                _requestors.Add(inbox, MRInvoker.Create<Treq, Tresp>(hanlder));
+                _requestors.Add(inbox, MRInvoker.Create<Tresponse>(handler));
             }
             else
             {
@@ -159,11 +229,11 @@ namespace ZeroLevel.Network
             }
         }
 
-        public void RegisterInbox<Tresp>(string inbox, Func<long, IZBackward, Tresp> hanlder)
+        public void RegisterInbox<Trequest, Tresponse>(string inbox, RequestHandler<Trequest, Tresponse> handler)
         {
             if (false == _requestors.ContainsKey(inbox))
             {
-                _requestors.Add(inbox, MRInvoker.Create<Tresp>(hanlder));
+                _requestors.Add(inbox, MRInvoker.Create<Trequest, Tresponse>(handler));
             }
             else
             {
@@ -171,55 +241,29 @@ namespace ZeroLevel.Network
             }
         }
 
-        #endregion Registration
+        public void RegisterInbox<Tresponse>(RequestHandler<Tresponse> handler)
-
-        #region Invokation
-
-        public void HandleMessage(Frame frame, IZBackward client)
         {
-            try
+            if (false == _requestors.ContainsKey(BaseSocket.DEFAULT_REQUEST_INBOX))
             {
-                if (_handlers.ContainsKey(frame.Inbox))
+                _requestors.Add(BaseSocket.DEFAULT_REQUEST_INBOX, MRInvoker.Create<Tresponse>(handler));
-                {
-                    foreach (var handler in _handlers[frame.Inbox])
-                    {
-                        try
-                        {
-                            handler.Invoke(frame, client);
-                        }
-                        catch (Exception ex)
-                        {
-                            Log.SystemError(ex, $"[ExRouter] Fault handle incomind message");
-                        }
-                    }
-                }
             }
-            catch (Exception ex)
+            else
             {
-                Log.SystemError(ex, $"[ExRouter] Fault handle incomind message");
+                throw new Exception($"[SocketExchangeServer] Inbox {BaseSocket.DEFAULT_REQUEST_INBOX} already exists");
             }
         }
 
-        public Frame HandleRequest(Frame frame, IZBackward client)
+        public void RegisterInbox<Trequest, Tresponse>(RequestHandler<Trequest, Tresponse> handler)
         {
-            try
+            if (false == _requestors.ContainsKey(BaseSocket.DEFAULT_REQUEST_INBOX))
             {
-                if (_requestors.ContainsKey(frame.Inbox))
+                _requestors.Add(BaseSocket.DEFAULT_REQUEST_INBOX, MRInvoker.Create<Trequest, Tresponse>(handler));
-                {
-                    return FrameBuilder.BuildResponseFrame(_requestors[frame.Inbox].Invoke(frame, client), frame);
-                }
-                else
-                {
-                    Log.SystemWarning($"[ExRouter] Not found inbox '{frame.Inbox}' for incoming request");
-                }
             }
-            catch (Exception ex)
+            else
             {
-                Log.SystemError(ex, $"[ExRouter] Fault handle incomind request");
+                throw new Exception($"[SocketExchangeServer] Inbox {BaseSocket.DEFAULT_REQUEST_INBOX} already exists");
             }
-            return null;
         }
-
+        #endregion
-        #endregion Invokation
     }
 }

ZeroLevel/Services/Network/ZSocketServer.cs

@@ -1,167 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Net;
-using System.Net.Sockets;
-using System.Threading;
-
-namespace ZeroLevel.Network
-{
-    public abstract class ZSocketServer
-        : ZBaseNetwork
-    {
-        public IPEndPoint LocalEndpoint { get; }
-
-        public event Action<IZBackward> OnDisconnect = _ => { };
-
-        public event Action<IZBackward> OnConnect = _ => { };
-
-        public IEnumerable<IPEndPoint> ConnectionList
-        {
-            get
-            {
-                try
-                {
-                    _connection_set_lock.EnterReadLock();
-                    return _connections.Select(c => c.Endpoint).ToList();
-                }
-                finally
-                {
-                    _connection_set_lock.ExitReadLock();
-                }
-            }
-        }
-
-        #region Private members
-
-        private Socket _serverSocket;
-        private long _heartbeat_task = -1;
-        private readonly Frame _pingFrame = FrameBuilder.BuildFrame(DEFAULT_PING_INBOX);
-        private ReaderWriterLockSlim _connection_set_lock = new ReaderWriterLockSlim();
-        private HashSet<ZSocketServerClient> _connections = new HashSet<ZSocketServerClient>();
-
-        private void DisconnectEventRise(IZBackward client)
-        {
-            try
-            {
-                OnDisconnect?.Invoke(client);
-            }
-            catch
-            { }
-        }
-
-        private void ConnectEventRise(IZBackward client)
-        {
-            try
-            {
-                OnConnect?.Invoke(client);
-            }
-            catch
-            { }
-        }
-
-        private void Heartbeat()
-        {
-            var enumerator = _connections.GetEnumerator();
-            try
-            {
-                while (enumerator.MoveNext())
-                {
-                    var connection = enumerator.Current;
-                    if ((DateTime.UtcNow.Ticks - connection.LastNetworkActionTimestamp) >= HEARTBEAT_PING_PERIOD_TICKS)
-                    {
-                        connection.SendBackward(_pingFrame);
-                    }
-                }
-            }
-            catch { }
-            GC.Collect(1, GCCollectionMode.Forced, false);
-        }
-
-        private void BeginAcceptCallback(IAsyncResult ar)
-        {
-            if (Status == ZTransportStatus.Working)
-            {
-                try
-                {
-                    var client_socket = _serverSocket.EndAccept(ar);
-                    _serverSocket.BeginAccept(BeginAcceptCallback, null);
-                    _connection_set_lock.EnterWriteLock();
-                    var connection = new ZSocketServerClient(client_socket, Handle, HandleRequest);
-                    connection.OnConnectionBroken += Connection_OnConnectionBroken;
-                    _connections.Add(connection);
-                    ConnectEventRise(connection);
-                }
-                catch (Exception ex)
-                {
-                    Broken();
-                    Log.SystemError(ex, "[ZSocketServer] Error with connect accepting");
-                }
-                finally
-                {
-                    _connection_set_lock.ExitWriteLock();
-                }
-            }
-        }
-
-        private void Connection_OnConnectionBroken(ZSocketServerClient connection)
-        {
-            connection.OnConnectionBroken -= Connection_OnConnectionBroken;
-            try
-            {
-                _connection_set_lock.EnterWriteLock();
-                _connections.Remove(connection);
-            }
-            finally
-            {
-                _connection_set_lock.ExitWriteLock();
-            }
-            connection.Dispose();
-            DisconnectEventRise(connection);
-        }
-
-        #endregion Private members
-
-        public ZSocketServer(IPEndPoint endpoint)
-        {
-            LocalEndpoint = endpoint;
-            _serverSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
-            _serverSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.KeepAlive, true);
-            _serverSocket.Bind(endpoint);
-            _serverSocket.Listen(100);
-            _heartbeat_task = Sheduller.RemindEvery(TimeSpan.FromMilliseconds(HEARTBEAT_UPDATE_PERIOD_MS), Heartbeat);
-            Working();
-            _serverSocket.BeginAccept(BeginAcceptCallback, null);
-        }
-
-        protected abstract void Handle(Frame frame, IZBackward client);
-
-        protected abstract Frame HandleRequest(Frame frame, IZBackward client);
-
-        public override void Dispose()
-        {
-            if (Status == ZTransportStatus.Disposed)
-            {
-                return;
-            }
-            Sheduller.Remove(_heartbeat_task);
-            Disposed();
-            _serverSocket.Close();
-            _serverSocket.Dispose();
-            try
-            {
-                _connection_set_lock.EnterReadLock();
-                foreach (var c in _connections)
-                {
-                    c.Dispose();
-                    DisconnectEventRise(c);
-                }
-            }
-            finally
-            {
-                _connection_set_lock.ExitReadLock();
-            }
-            _connection_set_lock.Dispose();
-        }
-    }
-}

ZeroLevel/Services/Network/ZSocketServerClient.cs

@@ -1,235 +0,0 @@
-using System;
-using System.Collections.Concurrent;
-using System.Net;
-using System.Net.Sockets;
-using System.Threading;
-using ZeroLevel.Models;
-using ZeroLevel.Services.Serialization;
-
-namespace ZeroLevel.Network
-{
-    internal sealed class ZSocketServerClient
-        : ZBaseNetwork, IZBackward, IEquatable<ZSocketServerClient>
-    {
-        public IPEndPoint Endpoint { get; }
-
-        internal long LastNetworkActionTimestamp { get; private set; } = DateTime.UtcNow.Ticks;
-
-        private Thread _sendThread;
-        private NetworkStream _stream;
-        private readonly Socket _socket;
-        private readonly FrameParser _parser;
-        private readonly Action<Frame, IZBackward> _handler;
-        private readonly Func<Frame, IZBackward, Frame> _requestor;
-        private readonly byte[] _buffer = new byte[DEFAULT_RECEIVE_BUFFER_SIZE];
-        private readonly BlockingCollection<byte[]> _send_queue = new BlockingCollection<byte[]>();
-
-        public event Action<ZSocketServerClient> OnConnectionBroken = (_) => { };
-
-        private void RizeConnectionBrokenEvent()
-        {
-            try { OnConnectionBroken?.Invoke(this); } catch { }
-        }
-
-        public ZSocketServerClient(Socket socket,
-            Action<Frame, IZBackward> handler,
-            Func<Frame, IZBackward, Frame> requestor)
-        {
-            _socket = socket ?? throw new ArgumentNullException(nameof(socket));
-            _handler = handler ?? throw new ArgumentNullException(nameof(handler));
-            _requestor = requestor ?? throw new ArgumentNullException(nameof(requestor));
-
-            Endpoint = _socket.RemoteEndPoint as IPEndPoint;
-            _stream = new NetworkStream(_socket, true);
-            _parser = new FrameParser();
-            _parser.OnIncomingFrame += _parser_OnIncomingFrame;
-
-            Working();
-
-            _sendThread = new Thread(SendFramesJob);
-            _sendThread.IsBackground = true;
-            _sendThread.Start();
-
-            _stream.BeginRead(_buffer, 0, DEFAULT_RECEIVE_BUFFER_SIZE, ReceiveAsyncCallback, null);
-        }
-
-        public InvokeResult SendBackward(Frame frame)
-        {
-            if (frame != null && Status == ZTransportStatus.Working && false == _send_queue.IsCompleted && false == _send_queue.IsAddingCompleted)
-            {
-                var data = MessageSerializer.Serialize(frame);
-                try
-                {
-                    _send_queue.Add(NetworkStreamFastObfuscator.PrepareData(data));
-                    return InvokeResult.Succeeding();
-                }
-                catch (ObjectDisposedException)
-                {
-                    // Ignore
-                }
-                finally
-                {
-                    frame?.Release();
-                }
-            }
-            return InvokeResult.Fault();
-        }
-
-        public InvokeResult SendBackward<T>(string inbox, T message)
-        {
-            var frame = FrameBuilder.BuildFrame<T>(message, inbox);
-            if (Status == ZTransportStatus.Working && false == _send_queue.IsCompleted && false == _send_queue.IsAddingCompleted)
-            {
-                var data = MessageSerializer.Serialize(frame);
-                try
-                {
-                    _send_queue.Add(NetworkStreamFastObfuscator.PrepareData(data));
-                    return InvokeResult.Succeeding();
-                }
-                catch (ObjectDisposedException)
-                {
-                    // Ignore
-                }
-                finally
-                {
-                    frame?.Release();
-                }
-            }
-            return InvokeResult.Fault();
-        }
-
-        private void SendFramesJob()
-        {
-            byte[] data;
-            while (Status == ZTransportStatus.Working)
-            {
-                if (_send_queue.IsCompleted)
-                {
-                    return;
-                }
-                try
-                {
-                    data = _send_queue.Take();
-                    if (data != null && data.Length > 0)
-                    {
-                        _stream.Write(data, 0, data.Length);
-                        _stream.Flush();
-                        //Thread.Sleep(1);
-                        LastNetworkActionTimestamp = DateTime.UtcNow.Ticks;
-                        //NetworkStats.Send(data);
-                    }
-                }
-                catch (Exception ex)
-                {
-                    Log.SystemError(ex, $"[ZSocketServerClient] Backward send error.");
-                    Broken();
-                    RizeConnectionBrokenEvent();
-                }
-            }
-        }
-
-        private void ReceiveAsyncCallback(IAsyncResult ar)
-        {
-            try
-            {
-                var count = _stream.EndRead(ar);
-                if (count > 0)
-                {
-                    _parser.Push(_buffer, 0, count);
-                    LastNetworkActionTimestamp = DateTime.UtcNow.Ticks;
-                }
-                if (Status == ZTransportStatus.Working)
-                {
-                    _stream.BeginRead(_buffer, 0, DEFAULT_RECEIVE_BUFFER_SIZE, ReceiveAsyncCallback, null);
-                }
-            }
-            catch (ObjectDisposedException)
-            {
-                /// Nothing
-            }
-            catch (Exception ex)
-            {
-                Log.SystemError(ex, $"[ZSocketServerClient] Error read data");
-                Broken();
-                RizeConnectionBrokenEvent();
-            }
-        }
-
-        private void _parser_OnIncomingFrame(Frame frame)
-        {
-            if (frame == null || frame.Inbox == null) return;
-            if (frame.Inbox.Equals(DEFAULT_PING_INBOX, StringComparison.Ordinal))
-            {
-                SendBackward(frame);
-            }
-            else if (frame.IsRequest)
-            {
-                Frame response;
-                try
-                {
-                    response = _requestor?.Invoke(frame, this);
-                }
-                catch (Exception ex)
-                {
-                    Log.SystemError(ex, $"[ZSocketServerClient] Fault make response for request '{frame.FrameId}' to inbox '{frame.Inbox}'");
-                    response = FrameBuilder.BuildResponseFrame<string>(ex.Message, frame, DEFAULT_REQUEST_ERROR_INBOX);
-                }
-                finally
-                {
-                    frame?.Release();
-                }
-                if (response != null)
-                {
-                    SendBackward(response);
-                }
-            }
-            else
-            {
-                try
-                {
-                    _handler?.Invoke(frame, this);
-                }
-                catch (Exception ex)
-                {
-                    Log.SystemError(ex, $"[ZSocketServerClient] Fault handle message '{frame.FrameId}' in inbox '{frame.Inbox}'");
-                }
-                finally
-                {
-                    frame?.Release();
-                }
-            }
-        }
-
-        public override void Dispose()
-        {
-            if (Status == ZTransportStatus.Disposed)
-            {
-                return;
-            }
-            Disposed();
-
-            _send_queue.CompleteAdding();
-            _send_queue.Dispose();
-
-            this._stream.Flush();
-            this._stream.Close();
-            this._stream.Dispose();
-        }
-
-        public override int GetHashCode()
-        {
-            return Endpoint.GetHashCode();
-        }
-
-        public override bool Equals(object obj)
-        {
-            return this.Equals(obj as ZSocketServerClient);
-        }
-
-        public bool Equals(ZSocketServerClient other)
-        {
-            if (other == null) return false;
-            return this.Endpoint.Compare(other.Endpoint) == 0;
-        }
-    }
-}

ZeroLevel/Services/Transliteration.cs

@@ -44,7 +44,10 @@ namespace ZeroLevel.Services
 
             foreach (KeyValuePair<string, string> key in tdict)
             {
-                output = output.Replace(key.Value, key.Key);
+                if (key.Value.Length > 0)
+                {
+                    output = output.Replace(key.Value, key.Key);
+                }
             }
             return output;
         }

ZeroLevel/Services/_Network/Contracts/ISocketClient.cs

@@ -1,12 +0,0 @@
-using System;
-
-namespace ZeroLevel.Services._Network
-{
-    public interface ISocketClient
-    {
-        event Action<byte[], int> OnIncomingData;
-        void UseKeepAlive(TimeSpan period);
-        void Send(byte[] data);
-        byte[] Request(byte[] data);
-    }
-}

ZeroLevel/Services/_Network/IncomingRouter.cs

@@ -1,183 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Linq.Expressions;
-using System.Reflection;
-using ZeroLevel.Services.Invokation;
-
-namespace ZeroLevel.Services._Network
-{
-    public class Router
-        : IRouter
-    {
-        #region Routing
-
-        private sealed class MRInvoker
-        {
-            /// <summary>
-            /// Creates a compiled expression for a quick method call, returns the identifier of the expression and a delegate for the call.
-            /// </summary>
-            private static Invoker CreateCompiledExpression(MethodInfo method)
-            {
-                var targetArg = Expression.Parameter(typeof(object)); //  Target
-                var argsArg = Expression.Parameter(typeof(object[])); //  Method's args
-                var parameters = method.GetParameters();
-                Expression body = Expression.Call(
-                    method.IsStatic
-                        ? null
-                        : Expression.Convert(targetArg, method.DeclaringType), //  Method's type
-                    method,
-                    parameters.Select((p, i) =>
-                        Expression.Convert(Expression.ArrayIndex(argsArg, Expression.Constant(i)), p.ParameterType)));
-                if (body.Type == typeof(void))
-                    body = Expression.Block(body, Expression.Constant(null));
-                else if (body.Type.IsValueType)
-                    body = Expression.Convert(body, typeof(object));
-                return Expression.Lambda<Invoker>(body, targetArg, argsArg).Compile();
-            }
-
-            private static Invoker CreateCompiledExpression(Delegate handler)
-            {
-                return CreateCompiledExpression(handler.GetMethodInfo());
-            }
-
-            private object _instance;
-            private Invoker _invoker;
-            private Type _typeReq;
-            private Type _typeResp;
-            private bool _noArguments = false;
-
-            public static MRInvoker Create(Action<long, IZBackward> handler)
-            {
-                return new MRInvoker
-                {
-                    _noArguments = true,
-                    _typeReq = null,
-                    _typeResp = null,
-                    _instance = handler.Target,
-                    _invoker = CreateCompiledExpression(handler)
-                };
-            }
-
-            public static MRInvoker Create<T>(Action<T, long, IZBackward> handler)
-            {
-                return new MRInvoker
-                {
-                    _typeReq = typeof(T),
-                    _typeResp = null,
-                    _instance = handler.Target,
-                    _invoker = CreateCompiledExpression(handler)
-                };
-            }
-
-            public static MRInvoker Create<Treq, Tresp>(Func<Treq, long, IZBackward, Tresp> handler)
-            {
-                return new MRInvoker
-                {
-                    _typeReq = typeof(Treq),
-                    _typeResp = typeof(Tresp),
-                    _instance = handler.Target,
-                    _invoker = CreateCompiledExpression(handler)
-                };
-            }
-
-            public static MRInvoker Create<Tresp>(Func<long, IZBackward, Tresp> handler)
-            {
-                return new MRInvoker
-                {
-                    _typeReq = null,
-                    _typeResp = typeof(Tresp),
-                    _instance = handler.Target,
-                    _invoker = CreateCompiledExpression(handler)
-                };
-            }
-
-            public object Invoke(Frame frame, IZBackward client)
-            {
-                if (_typeResp == null)
-                {
-                    var incoming = MessageSerializer.DeserializeCompatible(_typeReq, frame.Payload);
-                    if (_noArguments)
-                    {
-                        this._invoker.Invoke(this._instance, new object[] { frame.FrameId, client });
-                    }
-                    else
-                    {
-                        this._invoker.Invoke(this._instance, new object[] { incoming, frame.FrameId, client });
-                    }
-                }
-                else if (_typeReq == null)
-                {
-                    return this._invoker.Invoke(this._instance, new object[] { frame.FrameId, client });
-                }
-                else
-                {
-                    var incoming = MessageSerializer.DeserializeCompatible(_typeReq, frame.Payload);
-                    return this._invoker.Invoke(this._instance, new object[] { incoming, frame.FrameId, client });
-                }
-                return null;
-            }
-        }
-
-        private readonly Dictionary<string, List<MRInvoker>> _handlers =
-            new Dictionary<string, List<MRInvoker>>();
-
-        private readonly Dictionary<string, MRInvoker> _requestors =
-            new Dictionary<string, MRInvoker>();
-
-        #endregion Routing
-
-        public void Incoming(FrameType type, byte[] data)
-        {
-            switch (type)
-            {
-                case FrameType.Message:
-                    break;
-                case FrameType.Request:
-                    break;
-                case FrameType.Response:
-                    break;
-            }
-        }
-
-        public void RegisterInbox(string inbox, MessageHandler handler)
-        {
-            throw new System.NotImplementedException();
-        }
-
-        public void RegisterInbox<T>(string inbox, MessageHandler<T> handler)
-        {
-            throw new System.NotImplementedException();
-        }
-
-        public void RegisterInbox(MessageHandler handler)
-        {
-            throw new System.NotImplementedException();
-        }
-
-        public void RegisterInbox<T>(MessageHandler<T> handler)
-        {
-            throw new System.NotImplementedException();
-        }
-
-        public void RegisterInbox<Tresponse>(string inbox, RequestHandler<Tresponse> handler)
-        {
-            throw new System.NotImplementedException();
-        }
-
-        public void RegisterInbox<Trequest, Tresponse>(string inbox, RequestHandler<Trequest, Tresponse> handler)
-        {
-            throw new System.NotImplementedException();
-        }
-
-        public void RegisterInbox<Tresponse>(RequestHandler<Tresponse> handler)
-        {
-            throw new System.NotImplementedException();
-        }
-
-        public void RegisterInbox<Trequest, Tresponse>(RequestHandler<Trequest, Tresponse> handler)
-        {
-            throw new System.NotImplementedException();
-        }
-    }
-}

ZeroLevel/Services/_Network/NetworkNode.cs

@@ -1,121 +0,0 @@
-using System;
-using ZeroLevel._Network;
-
-namespace ZeroLevel.Services._Network
-{
-    public class NetworkNode
-        : IClient, IRouter
-    {
-        private FrameParser _parser = new FrameParser();
-        private readonly ISocketClient _client;
-        private readonly IRouter _router;
-        private DateTime _lastConnectionTime;
-
-        public NetworkNode(ISocketClient client, IRouter router)
-        {
-            _lastConnectionTime = DateTime.UtcNow;
-            _client = client;
-            _router = router;
-            _parser.OnIncoming += _parser_OnIncoming;
-            _client.OnIncomingData += _readerWriter_OnIncomingData;
-        }
-
-        private void _readerWriter_OnIncomingData(byte[] data, int length)
-        {
-            _parser.Push(data, length);
-        }
-
-        private void _parser_OnIncoming(FrameType type, int identity, byte[] data)
-        {
-            switch (type)
-            {
-                case FrameType.KeepAlive:
-                    _lastConnectionTime = DateTime.UtcNow;
-                    break;
-                case FrameType.Message:
-                    break;
-                case FrameType.Request:
-                    break;
-                case FrameType.Response:
-                    break;
-            }
-        }
-
-        public void Send(string inbox)
-        {
-            throw new System.NotImplementedException();
-        }
-
-        public void Send(string inbox, byte[] data)
-        {
-            throw new System.NotImplementedException();
-        }
-
-        public void Send<T>(string inbox, T message)
-        {
-            throw new System.NotImplementedException();
-        }
-
-        public byte[] Request(string inbox)
-        {
-            throw new System.NotImplementedException();
-        }
-
-        public byte[] Request(string inbox, byte[] data)
-        {
-            throw new System.NotImplementedException();
-        }
-
-        public Tresponse Request<Tresponse>(string inbox)
-        {
-            throw new System.NotImplementedException();
-        }
-
-        public Tresponse Request<Tresponse, Trequest>(string inbox, Trequest request)
-        {
-            throw new System.NotImplementedException();
-        }
-
-        #region IRouter
-        public void RegisterInbox(string inbox, MessageHandler handler)
-        {
-            _router.RegisterInbox(inbox, handler);
-        }
-
-        public void RegisterInbox<T>(string inbox, MessageHandler<T> handler)
-        {
-            _router.RegisterInbox<T>(inbox, handler);
-        }
-
-        public void RegisterInbox(MessageHandler handler)
-        {
-            _router.RegisterInbox(handler);
-        }
-
-        public void RegisterInbox<T>(MessageHandler<T> handler)
-        {
-            _router.RegisterInbox<T>(handler);
-        }
-
-        public void RegisterInbox<Tresponse>(string inbox, RequestHandler<Tresponse> handler)
-        {
-            _router.RegisterInbox<Tresponse>(inbox, handler);
-        }
-
-        public void RegisterInbox<Trequest, Tresponse>(string inbox, RequestHandler<Trequest, Tresponse> handler)
-        {
-            _router.RegisterInbox<Trequest, Tresponse>(inbox, handler);
-        }
-
-        public void RegisterInbox<Tresponse>(RequestHandler<Tresponse> handler)
-        {
-            _router.RegisterInbox<Tresponse>(handler);
-        }
-
-        public void RegisterInbox<Trequest, Tresponse>(RequestHandler<Trequest, Tresponse> handler)
-        {
-            _router.RegisterInbox<Trequest, Tresponse>(handler);
-        }
-        #endregion
-    }
-}