Upd

The moving to the next net version continues.

TestApp/MyService.cs

@@ -7,6 +7,11 @@ namespace TestApp
     public class MyService
         : BaseZeroService
     {
+        public MyService()
+            :base()
+        {
+        }
+
         protected override void StartAction()
         {
             Log.Info("Started");

TestApp/Program.cs

@@ -1,4 +1,6 @@
-using ZeroLevel;
+using System;
+using System.Net;
+using ZeroLevel;
 
 namespace TestApp
 {
@@ -6,7 +8,20 @@ namespace TestApp
     {
         private static void Main(string[] args)
         {
-            Bootstrap.Startup<MyService>(args, () => Configuration.ReadSetFromIniFile("config.ini"));
+            var se = Bootstrap.Startup<MyService>(args,
+                () => Configuration.ReadSetFromIniFile("config.ini"))
+                .ReadServiceInfo()
+                //.UseDiscovery()
+                .Run();
+
+            var router = se.Service.UseHost(8800);
+            router.RegisterInbox<string, string>("upper", (c, s) => s.ToUpperInvariant());
+
+            var client = se.Service.ConnectToService(new IPEndPoint(IPAddress.Loopback, 8800));
+            client.Request<string, string>("upper", "hello", s => Console.WriteLine(s));
+
+            se.WaitWhileStatus(ZeroServiceStatus.Running)
+            .Stop();
         }
     }
 }

ZeroLevel.Discovery/RouteTable.cs

@@ -90,6 +90,7 @@ namespace ZeroLevel.Discovery
         }
 
         #endregion Snapshot
+
         private void Heartbeat(long taskid)
         {
             try
@@ -148,7 +149,7 @@ namespace ZeroLevel.Discovery
             Save();
         }
 
-        public InvokeResult Append(ExServiceInfo serviceInfo, IZBackward client)
+        public InvokeResult Append(ExServiceInfo serviceInfo, ISocketClient client)
         {
             InvokeResult result = null;
             var endpoint = $"{client.Endpoint.Address}:{serviceInfo.Port}";

ZeroLevel/Services/BaseZeroExchangeService.cs

@@ -1,125 +0,0 @@
-using ZeroLevel.Network;
-
-namespace ZeroLevel.Services.Applications
-{
-    public abstract class BaseZeroExchangeService
-        : BaseZeroService, IExchangeService
-    {
-        public string Key { get; private set; }
-        public string Version { get; private set; }
-        public string Group { get; private set; }
-        public string Type { get; private set; }
-
-        protected readonly IConfigurationSet _configSet;
-        protected IConfiguration _config => _configSet?.Default;
-
-        protected Exchange Exchange { get; }
-
-        private BaseZeroExchangeService()
-        {
-
-        }
-
-        protected BaseZeroExchangeService(IConfigurationSet configuration = null)
-            : base()
-        {
-            _configSet = configuration ?? Configuration.DefaultSet;
-            base.Name = ReadName();
-            this.Key = ReadKey();
-            this.Version = ReadVersion();
-            this.Group = ReadServiceGroup();
-            this.Type = ReadServiceType();
-
-            var discovery = _config.First("discovery");
-
-            Exchange = new Exchange(new DiscoveryClient(discovery));
-        }
-
-        private IExService _self_service = null;
-        private readonly object _self_create_lock = new object();
-        protected IExService Self
-        {
-            get
-            {
-                if (_self_service == null)
-                {
-                    lock (_self_create_lock)
-                    {
-                        if (_self_service == null)
-                        {
-                            _self_service = Exchange.RegisterService(this);
-                        }
-                    }
-                }
-                return _self_service;
-            }
-        }
-
-        #region Config
-
-        private string ReadName()
-        {
-            return FindInConfig<string>(new[] { "ServiceName", "AppName" }, string.Empty, "service")
-                ?? this.GetType().Name;
-        }
-
-        private string ReadKey()
-        {
-            return FindInConfig<string>(new[] { "ServiceKey", "AppKey" }, string.Empty, "service");
-        }
-
-        private string ReadVersion()
-        {
-            return FindInConfig<string>(new[] { "Version", "AppVersion" }, string.Empty, "service")
-                ?? "1.0";
-        }
-
-        private string ReadServiceGroup()
-        {
-            return FindInConfig<string>(new[] { "DiscoveryGroup", "ServiceGroup" }, string.Empty, "service")
-                ?? ExServiceInfo.DEFAULT_GROUP_NAME;
-        }
-
-        private string ReadServiceType()
-        {
-            return FindInConfig<string>(new[] { "DiscoveryType", "ServiceType" }, string.Empty, "service")
-                ?? ExServiceInfo.DEFAULT_TYPE_NAME;
-        }
-
-        protected T FindInConfig<T>(string[] keys, params string[] sections)
-        {
-            foreach (var section in sections)
-            {
-                if (string.IsNullOrWhiteSpace(section))
-                {
-                    foreach (var key in keys)
-                    {
-                        if (_configSet.Default.Contains(key))
-                        {
-                            return _configSet.Default.First<T>(key);
-                        }
-                    }
-                }
-                else if (_configSet.ContainsSection(section))
-                {
-                    foreach (var key in keys)
-                    {
-                        if (_configSet[section].Contains(key))
-                        {
-                            return _configSet[section].First<T>(key);
-                        }
-                    }
-                }
-            }
-            return default(T);
-        }
-        #endregion Config
-
-        public string Endpoint { get; private set; }
-
-        protected override void StopAction()
-        {
-            this.Exchange.Dispose();
-        }
-    }
-}

ZeroLevel/Services/BaseZeroService.cs

@@ -1,5 +1,8 @@
 using System;
+using System.Collections.Concurrent;
+using System.Net;
 using System.Threading;
+using ZeroLevel.Network;
 
 namespace ZeroLevel.Services.Applications
 {
@@ -7,8 +10,13 @@ namespace ZeroLevel.Services.Applications
         : IZeroService
     {
         public string Name { get; protected set; }
-        public ZeroServiceState State => _state;
-        private ZeroServiceState _state;
+        public string Key { get; private set; }
+        public string Version { get; private set; }
+        public string Group { get; private set; }
+        public string Type { get; private set; }
+
+        public ZeroServiceStatus Status => _state;
+        private ZeroServiceStatus _state;
 
         protected BaseZeroService()
         {
@@ -20,50 +28,298 @@ namespace ZeroLevel.Services.Applications
             Name = name;
         }
 
-        private ManualResetEvent InteraciveModeWorkingFlag = new ManualResetEvent(false);
-
         protected abstract void StartAction();
         protected abstract void StopAction();
 
+        #region Config
+        private const string DEFAULT_GROUP_NAME = "__default_group__";
+        private const string DEFAULT_TYPE_NAME = "__default_type__";
+
+        public void ReadServiceInfo()
+        {
+            this.Name = ReadName();
+            this.Key = ReadKey();
+            this.Version = ReadVersion();
+            this.Group = ReadServiceGroup();
+            this.Type = ReadServiceType();
+        }
+
+        public void ReadServiceInfo(IConfigurationSet set)
+        {
+            this.Name = ReadName(set);
+            this.Key = ReadKey(set);
+            this.Version = ReadVersion(set);
+            this.Group = ReadServiceGroup(set);
+            this.Type = ReadServiceType(set);
+        }
+
+        private string ReadName(IConfigurationSet set = null)
+        {
+            return FindInConfig<string>(set, new[] { "ServiceName", "AppName" }, string.Empty, "service")
+                ?? this.GetType().Name;
+        }
+
+        private string ReadKey(IConfigurationSet set = null)
+        {
+            return FindInConfig<string>(set, new[] { "ServiceKey", "AppKey" }, string.Empty, "service");
+        }
+
+        private string ReadVersion(IConfigurationSet set = null)
+        {
+            return FindInConfig<string>(set, new[] { "Version", "AppVersion" }, string.Empty, "service")
+                ?? "1.0";
+        }
+
+        private string ReadServiceGroup(IConfigurationSet set = null)
+        {
+            return FindInConfig<string>(set, new[] { "DiscoveryGroup", "ServiceGroup" }, string.Empty, "service")
+                ?? DEFAULT_GROUP_NAME;
+        }
+
+        private string ReadServiceType(IConfigurationSet set = null)
+        {
+            return FindInConfig<string>(set, new[] { "DiscoveryType", "ServiceType" }, string.Empty, "service")
+                ?? DEFAULT_TYPE_NAME;
+        }
+
+        protected T FindInConfig<T>(IConfigurationSet set, string[] keys, params string[] sections)
+        {
+            var configSet = set ?? Configuration.DefaultSet;
+            foreach (var section in sections)
+            {
+                if (string.IsNullOrWhiteSpace(section))
+                {
+                    foreach (var key in keys)
+                    {
+                        if (configSet.Default.Contains(key))
+                        {
+                            return configSet.Default.First<T>(key);
+                        }
+                    }
+                }
+                else if (configSet.ContainsSection(section))
+                {
+                    foreach (var key in keys)
+                    {
+                        if (configSet[section].Contains(key))
+                        {
+                            return configSet[section].First<T>(key);
+                        }
+                    }
+                }
+            }
+            return default(T);
+        }
+        #endregion Config
+
+        #region Network
+        private IRouter _router;
+        private static IRouter _null_router = new NullRouter();
+        private IDiscoveryClient _discoveryClient;
+
+        public void UseDiscovery()
+        {
+            var discovery = Configuration.Default.First("discovery");
+            _discoveryClient = new DiscoveryClient(GetClient(NetUtils.CreateIPEndPoint(discovery), _null_router, false));
+        }
+
+        public void UseDiscovery(string endpoint)
+        {
+            _discoveryClient = new DiscoveryClient(GetClient(NetUtils.CreateIPEndPoint(endpoint), _null_router, false));
+        }
+
+        public void UseDiscovery(IPEndPoint endpoint)
+        {
+            _discoveryClient = new DiscoveryClient(GetClient(endpoint, _null_router, false));
+        }
+
+        public IRouter UseHost()
+        {
+            if (_state == ZeroServiceStatus.Running)
+            {
+                return GetServer(new IPEndPoint(NetUtils.GetNonLoopbackAddress(), NetUtils.GetFreeTcpPort()), new Router()).Router;
+            }
+            return _null_router;
+        }
+
+        public IRouter UseHost(int port)
+        {
+            if (_state == ZeroServiceStatus.Running)
+            {
+                return GetServer(new IPEndPoint(NetUtils.GetNonLoopbackAddress(), port), new Router()).Router;
+            }
+            return _null_router;
+        }
+
+        public IRouter UseHost(IPEndPoint endpoint)
+        {
+            if (_state == ZeroServiceStatus.Running)
+            {
+                return GetServer(endpoint, new Router()).Router;
+            }
+            return _null_router;
+        }
+
+        public ExClient ConnectToService(string endpoint)
+        {
+            if (_state == ZeroServiceStatus.Running)
+            {
+                return new ExClient(GetClient(NetUtils.CreateIPEndPoint(endpoint), new Router(), true));
+            }
+            return null;
+        }
+
+        public ExClient ConnectToService(IPEndPoint endpoint)
+        {
+            if (_state == ZeroServiceStatus.Running)
+            {
+                return new ExClient(GetClient(endpoint, new Router(), true));
+            }
+            return null;
+        }
+        #endregion
+
+        #region Service control
         public void Start()
         {
-            InteraciveModeWorkingFlag.Reset();
-            if (_state == ZeroServiceState.Initialized)
+            if (_state == ZeroServiceStatus.Initialized)
             {
                 try
                 {
                     StartAction();
-                    _state = ZeroServiceState.Started;
+                    _state = ZeroServiceStatus.Running;
                     Log.Debug($"[{Name}] Service started");
                 }
                 catch (Exception ex)
                 {
                     Log.Fatal(ex, $"[{Name}] Failed to start service");
-                    InteraciveModeWorkingFlag.Set();
                 }
             }
-            try
+        }
+
+        public void Stop()
+        {
+            if (_state == ZeroServiceStatus.Running)
             {
-                while (false == InteraciveModeWorkingFlag.WaitOne(2000))
+                try
+                {
+                    StopAction();
+                    Log.Debug($"[{Name}] Service stopped");
+                }
+                catch (Exception ex)
                 {
+                    Log.Fatal(ex, $"[{Name}] Failed to stop service");
                 }
             }
-            catch { }
-            _state = ZeroServiceState.Stopped;
-            try
+            _state = ZeroServiceStatus.Stopped;
+        }
+
+        public void WaitForStatus(ZeroServiceStatus status)
+        {
+            var start = DateTime.UtcNow;
+            while (this.Status != status)
             {
-                StopAction();
-                Log.Debug($"[{Name}] Service stopped");
+                Thread.Sleep(150);
             }
-            catch (Exception ex)
+        }
+
+        public void WaitForStatus(ZeroServiceStatus status, TimeSpan period)
+        {
+            var start = DateTime.UtcNow;
+            while (this.Status != status && (DateTime.UtcNow - start) < period)
             {
-                Log.Fatal(ex, $"[{Name}] Failed to stop service");
+                Thread.Sleep(150);
             }
         }
 
-        public void Stop()
+        public void WaitWhileStatus(ZeroServiceStatus status)
+        {
+            var start = DateTime.UtcNow;
+            while (this.Status == status)
+            {
+                Thread.Sleep(150);
+            }
+        }
+
+        public void WaitWhileStatus(ZeroServiceStatus status, TimeSpan period)
+        {
+            var start = DateTime.UtcNow;
+            while (this.Status == status && (DateTime.UtcNow - start) < period)
+            {
+                Thread.Sleep(150);
+            }
+        }
+        #endregion
+
+        #region Utils
+        private static readonly ConcurrentDictionary<string, ISocketClient> _clientInstances = new ConcurrentDictionary<string, ISocketClient>();
+        private readonly ConcurrentDictionary<string, SocketServer> _serverInstances = new ConcurrentDictionary<string, SocketServer>();
+
+        private ISocketClient GetClient(IPEndPoint endpoint, IRouter router, bool use_cachee)
         {
-            InteraciveModeWorkingFlag.Set();
+            if (use_cachee)
+            {
+                string key = $"{endpoint.Address}:{endpoint.Port}";
+                ISocketClient instance = null;
+                if (_clientInstances.ContainsKey(key))
+                {
+                    instance = _clientInstances[key];
+                    if (instance.Status == SocketClientStatus.Working)
+                    {
+                        return instance;
+                    }
+                    _clientInstances.TryRemove(key, out instance);
+                    instance.Dispose();
+                    instance = null;
+                }
+                instance = new SocketClient(endpoint, router);
+                _clientInstances[key] = instance;
+                return instance;
+            }
+            return new SocketClient(endpoint, router);
+        }
+
+        private SocketServer GetServer(IPEndPoint endpoint, IRouter router)
+        {
+            string key = $"{endpoint.Address}:{endpoint.Port}";
+            if (_serverInstances.ContainsKey(key))
+            {
+                return _serverInstances[key];
+            }
+            var instance = new SocketServer(endpoint, router);
+            _serverInstances[key] = instance;
+            return instance;
+        }
+
+        #endregion
+
+        public void Dispose()
+        {
+            _state = ZeroServiceStatus.Disposed;
+
+            foreach (var client in _clientInstances)
+            {
+                try
+                {
+                    client.Value.Dispose();
+                }
+                catch (Exception ex)
+                {
+                    Log.Error(ex, $"[BaseZeroService`{Name ?? string.Empty}.Dispose()] Dispose SocketClient to endpoint {client.Key}");
+                }
+            }
+
+            foreach (var server in _serverInstances)
+            {
+                try
+                {
+                    server.Value.Dispose();
+                }
+                catch (Exception ex)
+                {
+                    Log.Error(ex, $"[BaseZeroService`{Name ?? string.Empty}.Dispose()] Dispose SocketServer with endpoint {server.Key}");
+                }
+            }
         }
     }
 }

ZeroLevel/Services/Bootstrap.cs

@@ -1,12 +1,87 @@
 using System;
 using System.IO;
 using System.Linq;
+using System.Net;
 using System.Reflection;
 
 namespace ZeroLevel
 {
     public static class Bootstrap
     {
+        public interface IServiceExecution
+        {
+            IServiceExecution Run();
+            IServiceExecution WaitForStatus(ZeroServiceStatus status);
+            IServiceExecution WaitForStatus(ZeroServiceStatus status, TimeSpan period);
+            IServiceExecution WaitWhileStatus(ZeroServiceStatus status);
+            IServiceExecution WaitWhileStatus(ZeroServiceStatus status, TimeSpan period);
+            IServiceExecution Stop();
+            IZeroService Service { get; }
+            ZeroServiceStatus Status { get; }
+        }
+
+        public class BootstrapFluent
+            : IServiceExecution
+        {
+            private readonly IZeroService _service;
+            public IZeroService Service { get { return _service; } }
+
+            public BootstrapFluent(IZeroService service)
+            {
+                _service = service;
+            }
+
+            public BootstrapFluent UseDiscovery() { _service?.UseDiscovery(); return this; }
+            public BootstrapFluent UseDiscovery(string url) { _service?.UseDiscovery(url); return this; }
+            public BootstrapFluent UseDiscovery(IPEndPoint endpoint) { _service?.UseDiscovery(endpoint); return this; }
+
+           /* public BootstrapFluent UseHost() { _service?.UseHost(); return this; }
+            public BootstrapFluent UseHost(int port) { _service?.UseHost(port); return this; }
+            public BootstrapFluent UseHost(IPEndPoint endpoint) { _service?.UseHost(endpoint); return this; }
+
+            public BootstrapFluent ConnectToService(string url) { _service.ConnectToService(url); return this; }
+            public BootstrapFluent ConnectToService(IPEndPoint endpoint) { _service.ConnectToService(endpoint); return this; }
+            */
+            public BootstrapFluent ReadServiceInfo() { _service?.ReadServiceInfo(); return this; }
+            public BootstrapFluent ReadServiceInfo(IConfigurationSet config) { _service?.ReadServiceInfo(config); return this; }
+
+            public ZeroServiceStatus Status { get { return _service.Status; } }
+            public IServiceExecution Run() { _service.Start(); return this; }
+            public IServiceExecution Stop()
+            {
+                try
+                {
+                    _service?.Stop();
+                }
+                catch (Exception ex)
+                {
+                    Log.Error(ex, $"[Bootstrap] Service {_service?.Name} dispose error");
+                }
+                return this;
+            }
+
+            public IServiceExecution WaitForStatus(ZeroServiceStatus status)
+            {
+                _service.WaitForStatus(status);
+                return this;
+            }
+            public IServiceExecution WaitForStatus(ZeroServiceStatus status, TimeSpan period)
+            {
+                _service.WaitForStatus(status, period);
+                return this;
+            }
+            public IServiceExecution WaitWhileStatus(ZeroServiceStatus status)
+            {
+                _service.WaitWhileStatus(status);
+                return this;
+            }
+            public IServiceExecution WaitWhileStatus(ZeroServiceStatus status, TimeSpan period)
+            {
+                _service.WaitWhileStatus(status, period);
+                return this;
+            }
+        }
+
         static Bootstrap()
         {
             // Tricks for minimize config changes for dependency resolve
@@ -22,10 +97,6 @@ namespace ZeroLevel
                 {
                     return Assembly.LoadFile(Path.Combine(Configuration.BaseDirectory, "Newtonsoft.Json.dll"));
                 }
-                else if (args.Name.Equals("Microsoft.Owin", StringComparison.Ordinal))
-                {
-                    return Assembly.LoadFile(Path.Combine(Configuration.BaseDirectory, "Microsoft.Owin.dll"));
-                }
                 var candidates = Directory.GetFiles(Path.Combine(Configuration.BaseDirectory), args.Name, SearchOption.TopDirectoryOnly);
                 if (candidates != null && candidates.Any())
                 {
@@ -39,37 +110,29 @@ namespace ZeroLevel
             return null;
         }
 
-        public static void Startup<T>(string[] args, 
-            Func<bool> preStartConfiguration = null, 
+        public static BootstrapFluent Startup<T>(string[] args,
+            Func<bool> preStartConfiguration = null,
             Func<bool> postStartConfiguration = null)
             where T : IZeroService
         {
-            var service = Initialize<T>(args, Configuration.ReadSetFromApplicationConfig(), 
+            var service = Initialize<T>(args, Configuration.ReadSetFromApplicationConfig(),
                 preStartConfiguration, postStartConfiguration);
-            if (service != null)
-            {
-                service.Start();
-                Shutdown(service);
-            }
+            return new BootstrapFluent(service);
         }
 
-        public static void Startup<T>(string[] args,
+        public static BootstrapFluent Startup<T>(string[] args,
             Func<IConfigurationSet> configuration,
             Func<bool> preStartConfiguration = null,
             Func<bool> postStartConfiguration = null)
             where T : IZeroService
         {
             var service = Initialize<T>(args, configuration(), preStartConfiguration, postStartConfiguration);
-            if (service != null)
-            {
-                service.Start();
-                Shutdown(service);
-            }
+            return new BootstrapFluent(service);
         }
 
         private static IZeroService Initialize<T>(string[] args,
             IConfigurationSet configurationSet,
-            Func<bool> preStartConfiguration = null, 
+            Func<bool> preStartConfiguration = null,
             Func<bool> postStartConfiguration = null)
             where T : IZeroService
         {
@@ -121,12 +184,11 @@ namespace ZeroLevel
             return service;
         }
 
-        private static void Shutdown(IZeroService service)
+        private static void Shutdown()
         {
             try { Sheduller.Dispose(); } catch (Exception ex) { Log.Error(ex, "[Bootstrap] Dispose default sheduller error"); }
             try { Log.Dispose(); } catch (Exception ex) { Log.Error(ex, "[Bootstrap] Dispose log error"); }
             try { Injector.Default.Dispose(); Injector.Dispose(); } catch (Exception ex) { Log.Error(ex, "[Bootstrap] Dispose DI containers error"); }
-            try { (service as IDisposable)?.Dispose(); } catch (Exception ex) { Log.Error(ex, $"[Bootstrap] Service {service?.Name} dispose error"); }
         }
     }
 }

ZeroLevel/Services/IZeroService.cs

@@ -1,10 +1,38 @@
-namespace ZeroLevel
+using System;
+using System.Net;
+using ZeroLevel.Network;
+
+namespace ZeroLevel
 {
     public interface IZeroService
+        : IDisposable
     {
-        ZeroServiceState State { get; }
-
         string Name { get; }
+        string Key { get; }
+        string Version { get; }
+        string Group { get; }
+        string Type { get; }
+
+        void UseDiscovery();
+        void UseDiscovery(string url);
+        void UseDiscovery(IPEndPoint endpoint);
+
+        IRouter UseHost();
+        IRouter UseHost(int port);
+        IRouter UseHost(IPEndPoint endpoint);
+
+        ExClient ConnectToService(string url);
+        ExClient ConnectToService(IPEndPoint endpoint);
+
+        void ReadServiceInfo();
+        void ReadServiceInfo(IConfigurationSet config);
+
+        void WaitForStatus(ZeroServiceStatus status);
+        void WaitForStatus(ZeroServiceStatus status, TimeSpan period);
+        void WaitWhileStatus(ZeroServiceStatus status);
+        void WaitWhileStatus(ZeroServiceStatus status, TimeSpan period);
+
+        ZeroServiceStatus Status { get; }
 
         void Start();
 

ZeroLevel/Services/Network/Contracts/IClient.cs

@@ -0,0 +1,17 @@
+using System;
+using ZeroLevel.Models;
+
+namespace ZeroLevel.Network
+{
+    public interface IClient
+    {
+        InvokeResult Send(string inbox);
+        InvokeResult Send(string inbox, byte[] data);
+        InvokeResult Send<T>(string inbox, T message);
+
+        InvokeResult Request(string inbox, Action<byte[]> callback);
+        InvokeResult Request(string inbox, byte[] data, Action<byte[]> callback);
+        InvokeResult Request<Tresponse>(string inbox, Action<Tresponse> callback);
+        InvokeResult Request<Trequest, Tresponse>(string inbox, Trequest request, Action<Tresponse> callback);
+    }
+}

ZeroLevel/Services/Network/Contracts/IExchangeService.cs

@@ -1,12 +0,0 @@
-namespace ZeroLevel.Network
-{
-    public interface IExchangeService
-    {
-        string Name { get; }
-        string Key { get; }
-        string Endpoint { get; }
-        string Version { get; }
-        string Group { get; }
-        string Type { get; }
-    }
-}

ZeroLevel/Services/Network/Contracts/IRouter.cs

@@ -1,38 +1,9 @@
-using System;
-using ZeroLevel.Models;
-
-namespace ZeroLevel.Network
+namespace ZeroLevel.Network
 {
     public interface IRouter
+        : IServer
     {
-        #region Messages
-        void RegisterInbox(string inbox, MessageHandler handler);
-        void RegisterInbox<T>(string inbox, MessageHandler<T> handler);
-
-        // Default inboxe
-        void RegisterInbox(MessageHandler handler);
-        void RegisterInbox<T>(MessageHandler<T> handler);
-        #endregion
-
-        #region Requests
-        void RegisterInbox<Tresponse>(string inbox, RequestHandler<Tresponse> handler);
-        void RegisterInbox<Trequest, Tresponse>(string inbox, RequestHandler<Trequest, Tresponse> handler);
-
-        // Default inboxe
-        void RegisterInbox<Tresponse>(RequestHandler<Tresponse> handler);
-        void RegisterInbox<Trequest, Tresponse>(RequestHandler<Trequest, Tresponse> handler);
-        #endregion
-    }
-
-    public interface IClient
-    {
-        InvokeResult Send(string inbox);
-        InvokeResult Send(string inbox, byte[] data);
-        InvokeResult Send<T>(string inbox, T message);
-
-        InvokeResult Request(string inbox, Action<byte[]> callback);
-        InvokeResult Request(string inbox, byte[] data, Action<byte[]> callback);
-        InvokeResult Request<Tresponse>(string inbox, Action<Tresponse> callback);
-        InvokeResult Request<Trequest, Tresponse>(string inbox, Trequest request, Action<Tresponse> callback);
+        void HandleMessage(Frame frame, ISocketClient client);
+        byte[] HandleRequest(Frame frame, ISocketClient client);
     }
 }

ZeroLevel/Services/Network/Contracts/IServer.cs

@@ -0,0 +1,23 @@
+namespace ZeroLevel.Network
+{
+    public interface IServer
+    {
+        #region Messages
+        void RegisterInbox(string inbox, MessageHandler handler);
+        void RegisterInbox<T>(string inbox, MessageHandler<T> handler);
+
+        // Default inboxe
+        void RegisterInbox(MessageHandler handler);
+        void RegisterInbox<T>(MessageHandler<T> handler);
+        #endregion
+
+        #region Requests
+        void RegisterInbox<Tresponse>(string inbox, RequestHandler<Tresponse> handler);
+        void RegisterInbox<Trequest, Tresponse>(string inbox, RequestHandler<Trequest, Tresponse> handler);
+
+        // Default inboxe
+        void RegisterInbox<Tresponse>(RequestHandler<Tresponse> handler);
+        void RegisterInbox<Trequest, Tresponse>(RequestHandler<Trequest, Tresponse> handler);
+        #endregion
+    }
+}

ZeroLevel/Services/Network/Contracts/ISocketClient.cs

@@ -12,6 +12,8 @@ namespace ZeroLevel.Network
         IPEndPoint Endpoint { get; }
         SocketClientStatus Status { get; }
 
+        IRouter Router { get; }
+
         void ForceConnect();
         void UseKeepAlive(TimeSpan period);
         void Send(Frame data);

ZeroLevel/Services/Network/DiscoveryClient.cs

@@ -7,132 +7,131 @@ using ZeroLevel.Services.Collections;
 
 namespace ZeroLevel.Network
 {
-    internal sealed class DCRouter
+    public class DiscoveryClient
+        : IDiscoveryClient
     {
-        private ReaderWriterLockSlim _lock = new ReaderWriterLockSlim();
-        private IEnumerable<ServiceEndpointInfo> _empty = Enumerable.Empty<ServiceEndpointInfo>();
-        private List<ServiceEndpointInfo> _services = new List<ServiceEndpointInfo>();
+        private sealed class DCRouter
+        {
+            private ReaderWriterLockSlim _lock = new ReaderWriterLockSlim();
+            private IEnumerable<ServiceEndpointInfo> _empty = Enumerable.Empty<ServiceEndpointInfo>();
+            private List<ServiceEndpointInfo> _services = new List<ServiceEndpointInfo>();
 
-        private Dictionary<string, RoundRobinOverCollection<ServiceEndpointInfo>> _tableByKey;
-        private Dictionary<string, RoundRobinOverCollection<ServiceEndpointInfo>> _tableByGroups;
-        private Dictionary<string, RoundRobinOverCollection<ServiceEndpointInfo>> _tableByTypes;
+            private Dictionary<string, RoundRobinOverCollection<ServiceEndpointInfo>> _tableByKey;
+            private Dictionary<string, RoundRobinOverCollection<ServiceEndpointInfo>> _tableByGroups;
+            private Dictionary<string, RoundRobinOverCollection<ServiceEndpointInfo>> _tableByTypes;
 
-        internal void Update(IEnumerable<ServiceEndpointsInfo> records)
-        {
-            if (records == null)
+            internal void Update(IEnumerable<ServiceEndpointsInfo> records)
             {
-                Log.Warning("[DiscoveryClient] UpdateServiceListInfo. Discrovery response is empty");
-                return;
-            }
-            var services = new List<ServiceEndpointInfo>();
-            foreach (var service in records)
-            {
-                var key = service.ServiceKey.ToUpperInvariant();
-                var type = service.ServiceType.ToUpperInvariant();
-                var group = service.ServiceGroup.ToUpperInvariant();
-                services.AddRange(service.Endpoints.Select(e => new ServiceEndpointInfo { Endpoint = e, Group = group, Key = key, Type = type }));
-            }
-            _lock.EnterWriteLock();
-            try
-            {
-                _services = services;
-                _tableByKey = _services.GroupBy(r => r.Key).ToDictionary(g => g.Key, g => new RoundRobinOverCollection<ServiceEndpointInfo>(g));
-                _tableByTypes = _services.GroupBy(r => r.Type).ToDictionary(g => g.Key, g => new RoundRobinOverCollection<ServiceEndpointInfo>(g));
-                _tableByGroups = _services.GroupBy(r => r.Group).ToDictionary(g => g.Key, g => new RoundRobinOverCollection<ServiceEndpointInfo>(g));
-            }
-            catch (Exception ex)
-            {
-                Log.Error(ex, "[DiscoveryClient] UpdateServiceListInfo. Update local routing table error.");
-            }
-            finally
-            {
-                _lock.ExitWriteLock();
+                if (records == null)
+                {
+                    Log.Warning("[DiscoveryClient] UpdateServiceListInfo. Discrovery response is empty");
+                    return;
+                }
+                var services = new List<ServiceEndpointInfo>();
+                foreach (var service in records)
+                {
+                    var key = service.ServiceKey.ToUpperInvariant();
+                    var type = service.ServiceType.ToUpperInvariant();
+                    var group = service.ServiceGroup.ToUpperInvariant();
+                    services.AddRange(service.Endpoints.Select(e => new ServiceEndpointInfo { Endpoint = e, Group = group, Key = key, Type = type }));
+                }
+                _lock.EnterWriteLock();
+                try
+                {
+                    _services = services;
+                    _tableByKey = _services.GroupBy(r => r.Key).ToDictionary(g => g.Key, g => new RoundRobinOverCollection<ServiceEndpointInfo>(g));
+                    _tableByTypes = _services.GroupBy(r => r.Type).ToDictionary(g => g.Key, g => new RoundRobinOverCollection<ServiceEndpointInfo>(g));
+                    _tableByGroups = _services.GroupBy(r => r.Group).ToDictionary(g => g.Key, g => new RoundRobinOverCollection<ServiceEndpointInfo>(g));
+                }
+                catch (Exception ex)
+                {
+                    Log.Error(ex, "[DiscoveryClient] UpdateServiceListInfo. Update local routing table error.");
+                }
+                finally
+                {
+                    _lock.ExitWriteLock();
+                }
             }
-        }
 
-        public ServiceEndpointInfo GetService(string serviceKey, string endpoint)
-        {
-            var key = serviceKey.ToUpperInvariant();
-            _lock.EnterReadLock();
-            try
+            public ServiceEndpointInfo GetService(string serviceKey, string endpoint)
             {
-                if (_tableByKey.ContainsKey(key) && !_tableByKey[key].IsEmpty)
+                var key = serviceKey.ToUpperInvariant();
+                _lock.EnterReadLock();
+                try
+                {
+                    if (_tableByKey.ContainsKey(key) && !_tableByKey[key].IsEmpty)
+                    {
+                        return _tableByKey[key].Find(s => s.Endpoint.Equals(endpoint, StringComparison.OrdinalIgnoreCase)).FirstOrDefault();
+                    }
+                }
+                finally
                 {
-                    return _tableByKey[key].Find(s => s.Endpoint.Equals(endpoint, StringComparison.OrdinalIgnoreCase)).FirstOrDefault();
+                    _lock.ExitReadLock();
                 }
+                return null;
             }
-            finally
-            {
-                _lock.ExitReadLock();
-            }
-            return null;
-        }
 
-        public IEnumerable<ServiceEndpointInfo> GetServiceEndpoints(string serviceKey)
-        {
-            var key = serviceKey.Trim().ToUpperInvariant();
-            _lock.EnterReadLock();
-            try
+            public IEnumerable<ServiceEndpointInfo> GetServiceEndpoints(string serviceKey)
             {
-                if (_tableByKey.ContainsKey(key) && !_tableByKey[key].IsEmpty)
+                var key = serviceKey.Trim().ToUpperInvariant();
+                _lock.EnterReadLock();
+                try
                 {
-                    return _tableByKey[key].GenerateSeq();
+                    if (_tableByKey.ContainsKey(key) && !_tableByKey[key].IsEmpty)
+                    {
+                        return _tableByKey[key].GenerateSeq();
+                    }
                 }
+                finally
+                {
+                    _lock.ExitReadLock();
+                }
+                return _empty;
             }
-            finally
-            {
-                _lock.ExitReadLock();
-            }
-            return _empty;
-        }
 
-        public IEnumerable<ServiceEndpointInfo> GetServiceEndpointsByGroup(string serviceGroup)
-        {
-            var group = serviceGroup.Trim().ToUpperInvariant();
-            _lock.EnterReadLock();
-            try
+            public IEnumerable<ServiceEndpointInfo> GetServiceEndpointsByGroup(string serviceGroup)
             {
-                if (_tableByGroups.ContainsKey(group) && !_tableByGroups[group].IsEmpty)
+                var group = serviceGroup.Trim().ToUpperInvariant();
+                _lock.EnterReadLock();
+                try
                 {
-                    return _tableByGroups[group].GenerateSeq();
+                    if (_tableByGroups.ContainsKey(group) && !_tableByGroups[group].IsEmpty)
+                    {
+                        return _tableByGroups[group].GenerateSeq();
+                    }
                 }
+                finally
+                {
+                    _lock.ExitReadLock();
+                }
+                return _empty;
             }
-            finally
-            {
-                _lock.ExitReadLock();
-            }
-            return _empty;
-        }
 
-        public IEnumerable<ServiceEndpointInfo> GetServiceEndpointsByType(string serviceType)
-        {
-            var type = serviceType.Trim().ToUpperInvariant();
-            _lock.EnterReadLock();
-            try
+            public IEnumerable<ServiceEndpointInfo> GetServiceEndpointsByType(string serviceType)
             {
-                if (_tableByTypes.ContainsKey(type) && !_tableByTypes[type].IsEmpty)
+                var type = serviceType.Trim().ToUpperInvariant();
+                _lock.EnterReadLock();
+                try
                 {
-                    return _tableByTypes[type].GenerateSeq();
+                    if (_tableByTypes.ContainsKey(type) && !_tableByTypes[type].IsEmpty)
+                    {
+                        return _tableByTypes[type].GenerateSeq();
+                    }
                 }
+                finally
+                {
+                    _lock.ExitReadLock();
+                }
+                return _empty;
             }
-            finally
-            {
-                _lock.ExitReadLock();
-            }
-            return _empty;
         }
-    }
 
-
-    public class DiscoveryClient
-        : IDiscoveryClient
-    {
         private readonly DCRouter _router = new DCRouter();
-        private readonly NetworkNode _discoveryServerClient;
+        private readonly ExClient _discoveryServerClient;
 
-        public DiscoveryClient(string endpoint)
+        public DiscoveryClient(ISocketClient client)
         {
-            _discoveryServerClient = ExchangeTransportFactory.GetClient(endpoint);
+            _discoveryServerClient = new ExClient(client);
             UpdateServiceListInfo();
             Sheduller.RemindEvery(TimeSpan.FromSeconds(30), UpdateServiceListInfo);
         }
@@ -140,7 +139,7 @@ namespace ZeroLevel.Network
         private void UpdateServiceListInfo()
         {
             _discoveryServerClient.ForceConnect();
-            if (_discoveryServerClient.Status == ZTransportStatus.Working)
+            if (_discoveryServerClient.Status == SocketClientStatus.Working)
             {
                 try
                 {
@@ -164,7 +163,7 @@ namespace ZeroLevel.Network
         public bool Register(ExServiceInfo info)
         {
             _discoveryServerClient.ForceConnect();
-            if (_discoveryServerClient.Status == ZTransportStatus.Working)
+            if (_discoveryServerClient.Status == SocketClientStatus.Working)
             {
                 bool result = false;
                 try

ZeroLevel/Services/Network/ExClient.cs

@@ -5,45 +5,17 @@ using ZeroLevel.Services.Serialization;
 
 namespace ZeroLevel.Network
 {
-    public class NetworkNode
-        : IClient, IRouter, IDisposable
+    public sealed class ExClient
+        : IClient, 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 IRouter Router => _client.Router;
 
-        public NetworkNode(ISocketClient client)
+        public ExClient(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();
@@ -147,48 +119,6 @@ namespace ZeroLevel.Network
             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/ExService.cs

@@ -1,114 +0,0 @@
-using System;
-using System.Net;
-
-namespace ZeroLevel.Network
-{
-    internal sealed class ExService
-        : ZBaseNetwork, IExService
-    {
-        private readonly ExRouter _router;
-        private readonly IZObservableServer _server;
-
-        public event Action<ISocketClient> OnConnect = c => { };
-
-        public event Action<ISocketClient> OnDisconnect = c => { };
-
-        public ExService(IZObservableServer server)
-        {
-            _server = server ?? throw new ArgumentNullException(nameof(server));
-            _router = new ExRouter();
-            _server.OnMessage += _server_OnMessage;
-            _server.OnRequest += _server_OnRequest;
-            _server.OnConnect += _server_OnConnect;
-            _server.OnDisconnect += _server_OnDisconnect;
-        }
-
-        private void _server_OnDisconnect(ISocketClient client)
-        {
-            this.OnDisconnect(client);
-        }
-
-        private void _server_OnConnect(ISocketClient client)
-        {
-            this.OnConnect(client);
-        }
-
-        private Frame _server_OnRequest(Frame frame, IZBackward client)
-        {
-            return _router.HandleRequest(frame, client);
-        }
-
-        private void _server_OnMessage(Frame frame, IZBackward client)
-        {
-            _router.HandleMessage(frame, client);
-        }
-
-        public IPEndPoint Endpoint => _server.Endpoint;
-
-        /// <summary>
-        /// Registering an Inbox Handler
-        /// </summary>
-        /// <typeparam name="T">Message type</typeparam>
-        /// <param name="inbox">Inbox name</param>
-        /// <param name="handler">Handler</param>
-        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);
-        }
-
-        /// <summary>
-        /// Registration method responding to an incoming request
-        /// </summary>
-        /// <typeparam name="Treq">Type of input message</typeparam>
-        /// <typeparam name="Tresp">Type of response</typeparam>
-        /// <param name="protocol">Protocol</param>
-        /// <param name="inbox">Inbox name</param>
-        /// <param name="replier">Handler</param>
-        public void RegisterInbox<Treq, Tresp>(string inbox, Func<Treq, long, IZBackward, Tresp> handler)
-        {
-            _router.RegisterInbox<Treq, Tresp>(inbox, handler);
-        }
-
-        public void RegisterInbox<Treq, Tresp>(Func<Treq, long, IZBackward, Tresp> handler)
-        {
-            _router.RegisterInbox<Treq, Tresp>(DEFAULT_REQUEST_INBOX, handler);
-        }
-
-        /// <summary>
-        /// Registration of the method of responding to the incoming request, not receiving incoming data
-        /// </summary>
-        /// <typeparam name="Tresp">Type of response</typeparam>
-        /// <param name="protocol">Protocol</param>
-        /// <param name="inbox">Inbox name</param>
-        /// <param name="replier">Handler</param>
-        public void RegisterInbox<Tresp>(string inbox, Func<long, IZBackward, Tresp> handler)
-        {
-            _router.RegisterInbox<Tresp>(inbox, handler);
-        }
-
-        public void RegisterInbox<Tresp>(Func<long, IZBackward, Tresp> handler)
-        {
-            _router.RegisterInbox<Tresp>(DEFAULT_REQUEST_INBOX, handler);
-        }
-
-        public void RegisterInbox(string inbox, Action<long, IZBackward> handler)
-        {
-            _router.RegisterInbox(inbox, handler);
-        }
-
-        public void RegisterInbox(Action<long, ISocketClient> handler)
-        {
-            _router.RegisterInbox(DEFAULT_REQUEST_INBOX, handler);
-        }
-
-        public override void Dispose()
-        {
-            _server.Dispose();
-        }
-    }
-}

ZeroLevel/Services/Network/ExServiceHost.cs

@@ -7,6 +7,7 @@ using System.Reflection;
 
 namespace ZeroLevel.Network
 {
+    /*
     public sealed class ExServiceHost
         : IDisposable
     {
@@ -512,4 +513,5 @@ namespace ZeroLevel.Network
             }
         }
     }
+    */
 }

ZeroLevel/Services/Network/Exchange.cs

@@ -6,6 +6,7 @@ using System.Threading.Tasks;
 
 namespace ZeroLevel.Network
 {
+    /*
     /// <summary>
     /// Provides data exchange between services
     /// </summary>
@@ -28,12 +29,12 @@ namespace ZeroLevel.Network
         /// <summary>
         ///  Registration service
         /// </summary>
-        public IExService RegisterService(IExchangeService service)
+        public IExchangeService RegisterService(IExchangeService service)
         {
             return _host.RegisterService(service);
         }
 
-        public IExService RegisterService(ExServiceInfo service)
+        public IExchangeService RegisterService(ExServiceInfo service)
         {
             return _host.RegisterService(service);
         }
@@ -595,7 +596,7 @@ namespace ZeroLevel.Network
 
         #region Private
 
-        private IEnumerable<Tresp> _RequestBroadcast<Treq, Tresp>(List<NetworkNode> clients, string inbox, Treq data)
+        private IEnumerable<Tresp> _RequestBroadcast<Treq, Tresp>(List<ExClient> clients, string inbox, Treq data)
         {
             var response = new List<Tresp>();
             using (var waiter = new CountdownEvent(clients.Count))
@@ -623,7 +624,7 @@ namespace ZeroLevel.Network
             return response;
         }
 
-        private IEnumerable<Tresp> _RequestBroadcast<Tresp>(List<NetworkNode> clients, string inbox)
+        private IEnumerable<Tresp> _RequestBroadcast<Tresp>(List<ExClient> clients, string inbox)
         {
             var response = new List<Tresp>();
             using (var waiter = new CountdownEvent(clients.Count))
@@ -660,4 +661,5 @@ namespace ZeroLevel.Network
             this._host.Dispose();
         }
     }
+    */
 }

ZeroLevel/Services/Network/ExchangeTransportFactory.cs

@@ -1,49 +0,0 @@
-using System.Collections.Concurrent;
-using System.Net;
-
-namespace ZeroLevel.Network
-{
-    public static class ExchangeTransportFactory
-    {
-        private static readonly ConcurrentDictionary<string, NetworkNode> _clientInstances = new ConcurrentDictionary<string, NetworkNode>();
-
-        /// <summary>
-        /// Creates a server to receive messages using the specified protocol
-        /// </summary>
-        /// <param name="protocol">Protocol</param>
-        /// <returns>Server</returns>
-        public static IExService GetServer(int port = -1)
-        {
-            return new ExService(new ZExSocketObservableServer(new System.Net.IPEndPoint(IPAddress.Any, port == -1 ? NetUtils.GetFreeTcpPort() : port)));
-        }
-        /// <summary>
-        /// Creates a client to access the server using the specified protocol
-        /// </summary>
-        /// <param name="protocol">Protocol</param>
-        /// <param name="endpoint">Server endpoint</param>
-        /// <returns>Client</returns>
-        public static NetworkNode GetClientWithCache(string endpoint)
-        {
-            NetworkNode instance = null;
-            if (_clientInstances.ContainsKey(endpoint))
-            {
-                instance = _clientInstances[endpoint];
-                if (instance.Status == SocketClientStatus.Working)
-                {
-                    return instance;
-                }
-                _clientInstances.TryRemove(endpoint, out instance);
-                instance.Dispose();
-                instance = null;
-            }
-            instance = GetClient(endpoint);
-            _clientInstances[endpoint] = instance;
-            return instance;
-        }
-
-        public static NetworkNode GetClient(string endpoint)
-        {
-            return new NetworkNode(new SocketClient(NetUtils.CreateIPEndPoint(endpoint)));
-        }
-    }
-}

ZeroLevel/Services/Network/FileTransfer/BaseFileTransfer.cs

@@ -27,7 +27,7 @@ namespace ZeroLevel.Network.FileTransfer
             _currentFileTransfers = 0;*/
         }
 
-        protected void PushTransferTask(string filePath, Action<string> completeHandler = null, Action<string, string> errorHandler = null, IZBackward client = null)
+        protected void PushTransferTask(string filePath, Action<string> completeHandler = null, Action<string, string> errorHandler = null, ExClient client = null)
         {
             if (string.IsNullOrWhiteSpace(filePath))
             {

ZeroLevel/Services/Network/FileTransfer/FileClient.cs

@@ -7,12 +7,12 @@ namespace ZeroLevel.Network.FileTransfer
     public sealed class FileClient
         : BaseFileTransfer, IFileClient
     {
-        private readonly NetworkNode _client;
+        private readonly ExClient _client;
         private readonly string _baseFolder;
         private readonly ClientFolderNameMapper _nameMapper;
         private readonly bool _disposeClient;
 
-        internal FileClient(NetworkNode client, string baseFolder, ClientFolderNameMapper nameMapper, bool disposeClient)
+        internal FileClient(ExClient client, string baseFolder, ClientFolderNameMapper nameMapper, bool disposeClient)
             : base(baseFolder)
         {
             _client = client ?? throw new Exception(nameof(client));
@@ -20,9 +20,9 @@ namespace ZeroLevel.Network.FileTransfer
             _nameMapper = nameMapper ?? throw new Exception(nameof(nameMapper));
             _disposeClient = disposeClient;
 
-            _client.RegisterInbox<FileStartFrame>("__upload_file_start", (c, f) => Receiver.Incoming(f, nameMapper(c)));
-            _client.RegisterInbox<FileFrame>("__upload_file_frame", (c, f) => Receiver.Incoming(f));
-            _client.RegisterInbox<FileEndFrame>("__upload_file_complete", (c, f) => Receiver.Incoming(f));
+            _client.Router.RegisterInbox<FileStartFrame>("__upload_file_start", (c, f) => Receiver.Incoming(f, nameMapper(c)));
+            _client.Router.RegisterInbox<FileFrame>("__upload_file_frame", (c, f) => Receiver.Incoming(f));
+            _client.Router.RegisterInbox<FileEndFrame>("__upload_file_complete", (c, f) => Receiver.Incoming(f));
         }
 
         public void Dispose()

ZeroLevel/Services/Network/FileTransfer/FileClientFactory.cs

@@ -6,16 +6,16 @@ namespace ZeroLevel.Network.FileTransfer
     {
         public static IFileClient Create(string serverEndpoint, string baseFolder, ClientFolderNameMapper nameMapper = null)
         {
-            return CreateFileServerClient(ExchangeTransportFactory.GetClient(serverEndpoint), baseFolder,
-                nameMapper ?? (c => FSUtils.FileNameCorrection($"{c.Endpoint.Address}_{c.Endpoint.Port}")), true);
+            return null;/* CreateFileServerClient(ExchangeTransportFactory.GetClient(serverEndpoint), baseFolder,
+                nameMapper ?? (c => FSUtils.FileNameCorrection($"{c.Endpoint.Address}_{c.Endpoint.Port}")), true);*/
         }
 
-        public static IFileClient Create(NetworkNode client, string baseFolder, ClientFolderNameMapper nameMapper = null)
+        public static IFileClient Create(ExClient 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(NetworkNode client, string baseFolder, ClientFolderNameMapper nameMapper, bool disposeClient)
+        private static IFileClient CreateFileServerClient(ExClient client, string baseFolder, ClientFolderNameMapper nameMapper, bool disposeClient)
         {
             return new FileClient(client, baseFolder, nameMapper, disposeClient);
         }

ZeroLevel/Services/Network/FileTransfer/FileServer.cs

@@ -6,12 +6,12 @@ namespace ZeroLevel.Network.FileTransfer
     public sealed class FileServer
         : BaseFileTransfer, IFileServer
     {
-        private readonly IExService _service;
+        private readonly IRouter _service;
         private readonly string _baseFolder;
         private readonly ServerFolderNameMapperDelegate _nameMapper;
         private readonly bool _disposeService;
 
-        internal FileServer(IExService service, string baseFolder, ServerFolderNameMapperDelegate nameMapper, bool disposeService)
+        internal FileServer(IRouter service, string baseFolder, ServerFolderNameMapperDelegate nameMapper, bool disposeService)
             : base(baseFolder)
         {
             _service = service ?? throw new Exception(nameof(service));
@@ -19,20 +19,12 @@ namespace ZeroLevel.Network.FileTransfer
             _nameMapper = nameMapper ?? throw new Exception(nameof(nameMapper));
             _disposeService = disposeService;
 
-            _service.RegisterInbox<FileStartFrame, InvokeResult>("__upload_file_start", (f, _, client) => Receiver.Incoming(f, nameMapper(client)));
-            _service.RegisterInbox<FileFrame, InvokeResult>("__upload_file_frame", (f, _, __) => Receiver.Incoming(f));
-            _service.RegisterInbox<FileEndFrame, InvokeResult>("__upload_file_complete", (f, _, __) => Receiver.Incoming(f));
+            _service.RegisterInbox<FileStartFrame, InvokeResult>("__upload_file_start", (client, f) => Receiver.Incoming(f, nameMapper(client)));
+            _service.RegisterInbox<FileFrame, InvokeResult>("__upload_file_frame", (client, f) => Receiver.Incoming(f));
+            _service.RegisterInbox<FileEndFrame, InvokeResult>("__upload_file_complete", (client, f) => Receiver.Incoming(f));
         }
 
-        public void Dispose()
-        {
-            if (_disposeService)
-            {
-                _service?.Dispose();
-            }
-        }
-
-        public void Send(ISocketClient client, string fileName, Action<string> completeHandler = null, Action<string, string> errorHandler = null)
+        public void Send(ExClient client, string fileName, Action<string> completeHandler = null, Action<string, string> errorHandler = null)
         {
             PushTransferTask(fileName, completeHandler, errorHandler, client);
         }
@@ -41,18 +33,18 @@ namespace ZeroLevel.Network.FileTransfer
         {
             Log.Info($"Start upload file {reader.Path}");
             var startinfo = reader.GetStartInfo();
-            if (false == task.Client.SendBackward<FileStartFrame>("__upload_file_start", startinfo).Success)
+            if (false == task.Client.Send<FileStartFrame>("__upload_file_start", startinfo).Success)
             {
                 return;
             }
             foreach (var chunk in reader.Read())
             {
-                if (task.Client.SendBackward<FileFrame>("__upload_file_frame", chunk).Success == false)
+                if (task.Client.Send<FileFrame>("__upload_file_frame", chunk).Success == false)
                 {
                     return;
                 }
             }
-            task.Client.SendBackward<FileEndFrame>("__upload_file_complete", reader.GetCompleteInfo());
+            task.Client.Send<FileEndFrame>("__upload_file_complete", reader.GetCompleteInfo());
             Log.Debug($"Stop upload file {reader.Path}");
         }
     }

ZeroLevel/Services/Network/FileTransfer/FileServerFactory.cs

@@ -7,17 +7,17 @@ namespace ZeroLevel.Network.FileTransfer
     {
         public static IFileServer Create(int port, string baseFolder, ServerFolderNameMapperDelegate nameMapper = null)
         {
-            return CreateFileServer(ExchangeTransportFactory.GetServer(port), baseFolder, nameMapper ?? (c => FSUtils.FileNameCorrection($"{c.Endpoint.Address}_{c.Endpoint.Port}")), true);
+            return null;// CreateFileServer(ExchangeTransportFactory.GetServer(port), baseFolder, nameMapper ?? (c => FSUtils.FileNameCorrection($"{c.Endpoint.Address}_{c.Endpoint.Port}")), true);
         }
 
-        public static IFileServer Create(IExService service, string baseFolder, ServerFolderNameMapperDelegate nameMapper = null)
+        public static IFileServer Create(IZeroService service, string baseFolder, ServerFolderNameMapperDelegate nameMapper = null)
         {
-            return CreateFileServer(service, baseFolder, nameMapper ?? (c => FSUtils.FileNameCorrection($"{c.Endpoint.Address}_{c.Endpoint.Port}")), false);
+            return null;// CreateFileServer(service, baseFolder, nameMapper ?? (c => FSUtils.FileNameCorrection($"{c.Endpoint.Address}_{c.Endpoint.Port}")), false);
         }
 
-        private static IFileServer CreateFileServer(IExService service, string baseFolder, ServerFolderNameMapperDelegate nameMapper, bool disposeService)
+        private static IFileServer CreateFileServer(IZeroService service, string baseFolder, ServerFolderNameMapperDelegate nameMapper, bool disposeService)
         {
-            return new FileServer(service, baseFolder, nameMapper, disposeService);
+            return null;// new FileServer(service, baseFolder, nameMapper, disposeService);
         }
     }
 }

ZeroLevel/Services/Network/FileTransfer/IFileServer.cs

@@ -4,8 +4,7 @@ using ZeroLevel.Network;
 namespace ZeroLevel.Network.FileTransfer
 {
     public interface IFileServer
-        : IDisposable
     {
-        void Send(ISocketClient client, string fileName, Action<string> completeHandler = null, Action<string, string> errorHandler = null);
+        void Send(ExClient client, string fileName, Action<string> completeHandler = null, Action<string, string> errorHandler = null);
     }
 }

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

@@ -7,6 +7,6 @@ namespace ZeroLevel.Network.FileTransfer
         public string FilePath;
         public Action<string> CompletedHandler;
         public Action<string, string> ErrorHandler;
-        public ISocketClient Client;
+        public ExClient Client;
     }
 }

ZeroLevel/Services/Network/SocketClient.cs

@@ -12,6 +12,7 @@ namespace ZeroLevel.Network
     {
         #region Private
 
+        private readonly IRouter _router;
         private Socket _clientSocket;
         private NetworkStream _stream;
         private FrameParser _parser = new FrameParser();
@@ -33,10 +34,13 @@ namespace ZeroLevel.Network
         }
         #endregion Private
 
+        public IRouter Router { get { return _router; } }
+
         public bool IsEmptySendQueue { get { return _send_queue.Count == 0; } }
 
-        public SocketClient(IPEndPoint ep)
+        public SocketClient(IPEndPoint ep, IRouter router)
         {
+            _router = router;
             Endpoint = ep;
             _parser.OnIncoming += _parser_OnIncoming;
             _sendThread = new Thread(SendFramesJob);
@@ -44,8 +48,9 @@ namespace ZeroLevel.Network
             _sendThread.Start();
         }
 
-        public SocketClient(Socket socket)
+        public SocketClient(Socket socket, IRouter router)
         {
+            _router = router;
             _socket_freezed = true;
             _clientSocket = socket;
             Endpoint = (IPEndPoint)_clientSocket.RemoteEndPoint;
@@ -151,16 +156,23 @@ namespace ZeroLevel.Network
                 switch (type)
                 {
                     case FrameType.KeepAlive:
-                        _last_rw_time = DateTime.UtcNow.Ticks;
-                        break;
+                        // Nothing
+                        return;
                     case FrameType.Message:
+                        _router?.HandleMessage(MessageSerializer.Deserialize<Frame>(data), this);
+                        break;
                     case FrameType.Request:
-                        OnIncomingData(this, data, identity);
+                        var response = _router?.HandleRequest(MessageSerializer.Deserialize<Frame>(data), this);
+                        if (response != null)
+                        {
+                            this.Response(response, identity);
+                        }
                         break;
                     case FrameType.Response:
                         _requests.Success(identity, MessageSerializer.Deserialize<Frame>(data));
                         break;
                 }
+                OnIncomingData(this, data, identity);
             }
             catch (Exception ex)
             {
@@ -227,7 +239,7 @@ namespace ZeroLevel.Network
                 {
                     if (false == TryConnect())
                     {
-                        throw new ObjectDisposedException("No connection");
+                        throw new Exception("No connection");
                     }
                 }
             }

ZeroLevel/Services/Network/SocketServer.cs

@@ -12,11 +12,12 @@ namespace ZeroLevel.Network
     {
         private Socket _serverSocket;
         private ReaderWriterLockSlim _connection_set_lock = new ReaderWriterLockSlim();
-        private Dictionary<IPEndPoint, NetworkNode> _connections = new Dictionary<IPEndPoint, NetworkNode>();
+        private Dictionary<IPEndPoint, ExClient> _connections = new Dictionary<IPEndPoint, ExClient>();
 
+        private readonly IRouter _router;
         public IPEndPoint LocalEndpoint { get; }
         public event Action<ISocketClient> OnDisconnect = _ => { };
-        public event Action<ISocketClient> OnConnect = _ => { };
+        public event Action<ExClient> OnConnect = _ => { };
         public IEnumerable<IPEndPoint> ConnectionList
         {
             get
@@ -41,7 +42,7 @@ namespace ZeroLevel.Network
             catch
             { }
         }
-        private void ConnectEventRise(ISocketClient client)
+        private void ConnectEventRise(ExClient client)
         {
             try
             {
@@ -51,8 +52,11 @@ namespace ZeroLevel.Network
             { }
         }
 
-        public SocketServer(IPEndPoint endpoint)
+        public IRouter Router { get { return _router; } }
+
+        public SocketServer(IPEndPoint endpoint, IRouter router)
         {
+            _router = router;
             LocalEndpoint = endpoint;
             _serverSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
             _serverSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.KeepAlive, true);
@@ -72,11 +76,11 @@ namespace ZeroLevel.Network
                     _serverSocket.BeginAccept(BeginAcceptCallback, null);
                     _connection_set_lock.EnterWriteLock();
 
-                    var connection = new SocketClient(client_socket);
+                    var connection = new SocketClient(client_socket, _router);
                     connection.OnDisconnect += Connection_OnDisconnect;
-                    _connections[connection.Endpoint] = new NetworkNode(connection);
+                    _connections[connection.Endpoint] = new ExClient(connection);
 
-                    ConnectEventRise(connection);
+                    ConnectEventRise(_connections[connection.Endpoint]);
                 }
                 catch (Exception ex)
                 {

ZeroLevel/Services/Network/Utils/Router.cs

@@ -266,4 +266,19 @@ namespace ZeroLevel.Network
         }
         #endregion
     }
+
+    internal sealed class NullRouter
+        : IRouter
+    {
+        public void HandleMessage(Frame frame, ISocketClient client) { }
+        public byte[] HandleRequest(Frame frame, ISocketClient client) { return null; }
+        public void RegisterInbox(string inbox, MessageHandler handler) { }
+        public void RegisterInbox<T>(string inbox, MessageHandler<T> handler) { }
+        public void RegisterInbox(MessageHandler handler) { }
+        public void RegisterInbox<T>(MessageHandler<T> handler) { }
+        public void RegisterInbox<Tresponse>(string inbox, RequestHandler<Tresponse> handler) { }
+        public void RegisterInbox<Trequest, Tresponse>(string inbox, RequestHandler<Trequest, Tresponse> handler) { }
+        public void RegisterInbox<Tresponse>(RequestHandler<Tresponse> handler) { }
+        public void RegisterInbox<Trequest, Tresponse>(RequestHandler<Trequest, Tresponse> handler) { }
+    }
 }

ZeroLevel/Services/ZeroServiceState.cs

@@ -3,10 +3,11 @@
 namespace ZeroLevel
 {
     [Flags]
-    public enum ZeroServiceState : int
+    public enum ZeroServiceStatus : int
     {
         Initialized = 0,
-        Started = 1,
-        Stopped = 2
+        Running = 1,
+        Stopped = 2,
+        Disposed = 6
     }
 }