New daemon communication code.

MelonVPNClient/MainWindow.cs

@@ -197,7 +197,7 @@ public partial class MainWindow : Window
 
     void StartupCheckMethod()
     {
-        ClientResponseState s = Client.SendDataMessage(DataMessage.Status);
+        ClientResponseState s = GUISocketServer.SendDataMessage(DataMessage.Status);
         Console.WriteLine(s);
         Application.Invoke(delegate
         {
@@ -207,7 +207,7 @@ public partial class MainWindow : Window
 
     void Refresh()
     {
-        ClientResponseState s = Client.SendDataMessage(DataMessage.Status);
+        ClientResponseState s = GUISocketServer.SendDataMessage(DataMessage.Status);
         switch (s)
         {
             case ClientResponseState.Error:
@@ -364,7 +364,7 @@ public partial class MainWindow : Window
 
     void OnStartClicked(object sender, EventArgs e)
     {
-        ClientResponseState s = Client.SendDataMessage(DataMessage.Start);
+        ClientResponseState s = GUISocketServer.SendDataMessage(DataMessage.Start);
         switch (s)
         {
             case ClientResponseState.Error:
@@ -382,7 +382,7 @@ public partial class MainWindow : Window
 
     void OnStopClicked(object sender, EventArgs e)
     {
-        ClientResponseState s = Client.SendDataMessage(DataMessage.Stop);
+        ClientResponseState s = GUISocketServer.SendDataMessage(DataMessage.Stop);
         switch (s)
         {
             case ClientResponseState.Error:
@@ -417,7 +417,7 @@ public partial class MainWindow : Window
     void RestartToggleBtn_Clicked(object sender, EventArgs e)
     {
 
-        ClientResponseState s = (RestartMode) ? Client.SendDataMessage(DataMessage.RestartOff) : Client.SendDataMessage(DataMessage.RestartOn);
+        ClientResponseState s = (RestartMode) ? GUISocketServer.SendDataMessage(DataMessage.RestartOff) : GUISocketServer.SendDataMessage(DataMessage.RestartOn);
         switch (s)
         {
             case ClientResponseState.Error:

MelonVPNConnectedClientUpdate/Program.cs

@@ -7,7 +7,9 @@ namespace MelonVPNConnectedClientUpdate
     {
         public static void Main(string[] args)
         {
-            Client.SendCustomMessage(Messages.GetClientListMessage(Console.ReadLine()));
+            GUISocketServer.oneConnect();
+            GUISocketServer.SendCustomMessage(Messages.GetClientListMessage(Console.ReadLine()));
+            GUISocketServer.oneDispose();
         }
     }
 }

MelonVPNCore/Client.cs

@@ -1,41 +0,0 @@
-using System;
-using System.Net;
-using System.Net.Sockets;
-using System.Text;
-
-namespace MelonVPNCore
-{
-    public static class Client
-    {
-        public static ClientResponseState SendDataMessage(DataMessage msg) => SendDataMessage(msg, false);
-        public static ClientResponseState SendDataMessage(DataMessage msg, bool IsSendingFromDaemon) => SendCustomMessage(Messages.GetMessage(msg), IsSendingFromDaemon);
-        public static ClientResponseState SendCustomMessage(string msg) => SendCustomMessage(msg, false);
-        public static ClientResponseState SendCustomMessage(string msg, bool IsSendingFromDaemon)
-        {
-            IPHostEntry host = Dns.GetHostEntry("localhost");
-            IPAddress ipAddress = host.AddressList[0];
-            IPEndPoint remoteEndPoint = new IPEndPoint(ipAddress, IsSendingFromDaemon ? 22036 : 22035);
-
-            try
-            {
-                if (msg == Messages.EOF || msg == "") return ClientResponseState.Blank;
-
-                Socket client = new Socket(ipAddress.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
-                client.Connect(remoteEndPoint);
-                client.ReceiveTimeout = 5000;
-                client.SendTimeout = 5000;
-
-                byte[] bytes = Encoding.ASCII.GetBytes(msg);
-
-                client.Send(bytes);
-                client.Close();
-                return ClientResponseState.Sent;
-            }
-            catch (Exception e)
-            {
-                Console.WriteLine(e);
-                return ClientResponseState.Error;
-            }
-        }
-    }
-}

MelonVPNCore/DaemonMessaging.cs

@@ -0,0 +1,329 @@
+using System;
+using System.Net;
+using System.Net.Sockets;
+using System.Text;
+using System.Threading;
+using System.Collections.Generic;
+
+namespace MelonVPNCore
+{
+    public class DaemonClient : IDisposable
+    {
+
+        public ClientResponseState SendDataMessage(DataMessage msg) => SendCustomMessage(Messages.GetMessage(msg));
+        private Socket _sock;
+        public static int timeout = 5000;
+        private Thread _recvThread;
+        private bool _stayConnected = false;
+        public event EventHandler<String> messageReceived;
+        public event EventHandler<Exception> connectionError;
+
+        public DaemonClient() { }
+        public DaemonClient(Socket sockIn)
+        {
+            if (sockIn is null) throw new ArgumentNullException(nameof(sockIn));
+        }
+
+        public void start()
+        {
+            try
+            {
+                if (_sock is null)
+                {
+                    IPHostEntry host = Dns.GetHostEntry("localhost");
+                    IPAddress ipAddress = host.AddressList[0];
+                    IPEndPoint remoteEndPoint = new IPEndPoint(ipAddress, DaemonServer.port);
+                    _sock = new Socket(ipAddress.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
+                    _stayConnected = true;
+                    _sock.Connect(remoteEndPoint);
+                }
+                else
+                {
+                    _stayConnected = true;
+                }
+                _sock.ReceiveTimeout = timeout;
+                _sock.SendTimeout = timeout;
+                _recvThread = new Thread(recvThreader)
+                {
+                    IsBackground = true
+                };
+                _recvThread.Start();
+            }
+            catch (Exception e)
+            {
+                _stayConnected = false;
+                Console.WriteLine(e);
+                _sock = null;
+                if (!(_recvThread is null))
+                {
+                    if (_recvThread.IsAlive) _recvThread.Abort();
+                    _recvThread = null;
+                }
+                throw new InvalidOperationException("Daemon Client Init Failed.");
+            } 
+        }
+
+        public ClientResponseState SendCustomMessage(string msg)
+        {
+            try
+            {
+                if (msg == Messages.EOF || msg == "") return ClientResponseState.Blank;
+                byte[] bytes = Encoding.ASCII.GetBytes(msg);
+                _sock.Send(bytes);
+                return ClientResponseState.Sent;
+            }
+            catch (Exception e)
+            {
+                Console.WriteLine(e);
+                connectionError?.Invoke(this, e);
+                return ClientResponseState.Error;
+            }
+        }
+
+        public void recvThreader()
+        {
+            while (_stayConnected)
+            {
+                try
+                {
+                    string data = null;
+                    byte[] bytes = null;
+
+                    while (_stayConnected)
+                    {
+                        bytes = new byte[1024];
+                        int bytesRec = _sock.Receive(bytes);
+                        data += Encoding.ASCII.GetString(bytes, 0, bytesRec);
+                        if (data.IndexOf(Messages.EOF, StringComparison.CurrentCulture) > -1) break;
+                    }
+                    messageReceived?.Invoke(this, data);
+                } catch (SocketException e)
+                {
+                    Console.WriteLine(e);
+                    connectionError?.Invoke(this, e);
+                } catch (Exception e)
+                {
+                    Console.WriteLine(e);
+                }
+            }
+        }
+
+        #region IDisposable Support
+        private bool disposedValue = false; // To detect redundant calls
+
+        protected virtual void Dispose(bool disposing)
+        {
+            if (!disposedValue)
+            {
+                if (disposing)
+                {
+                    _stayConnected = false;
+                    try
+                    {
+                        _sock.Shutdown(SocketShutdown.Both);
+                    } catch (SocketException e)
+                    {
+                        Console.WriteLine(e);
+                    }
+                    if (!(_recvThread is null))
+                    {
+                        if (_recvThread.IsAlive) _recvThread.Abort();
+                        _recvThread = null;
+                    }
+                    _sock.Close();
+                }
+                _sock = null;
+                _recvThread = null;
+                disposedValue = true;
+            }
+        }
+
+        // This code added to correctly implement the disposable pattern.
+        public void Dispose()
+        {
+            // Do not change this code. Put cleanup code in Dispose(bool disposing) above.
+            Dispose(true);
+        }
+        #endregion
+    }
+
+    public class DaemonServer : IDisposable
+    {
+        public static int port = 22037;
+        private Socket _sock;
+        private Thread _lThread;
+        private bool _stayListening =  false;
+        public event EventHandler<DaemonClient> clientConnected;
+
+        public void start()
+        {
+            try
+            {
+                IPHostEntry host = Dns.GetHostEntry("localhost");
+                IPAddress ipAddress = host.AddressList[0];
+                IPEndPoint localEndPoint = new IPEndPoint(ipAddress, port);
+                _sock = new Socket(ipAddress.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
+                _stayListening = true;
+                _sock.Bind(localEndPoint);
+                _sock.Listen(64);
+                _lThread = new Thread(lThreader)
+                {
+                    IsBackground = true
+                };
+                _lThread.Start();
+            }
+            catch (Exception e)
+            {
+                _stayListening = false;
+                Console.WriteLine(e);
+                _sock = null;
+                if (!(_lThread is null))
+                {
+                    if (_lThread.IsAlive) _lThread.Abort();
+                    _lThread = null;
+                }
+                throw new InvalidOperationException("Daemon Server Init Failed.");
+            }
+        }
+
+        public void lThreader()
+        {
+            while (_stayListening)
+            {
+                try
+                {
+                    DaemonClient dc = new DaemonClient(_sock.Accept());
+                    clientConnected?.Invoke(this,dc);
+                }
+                catch (Exception e)
+                {
+                    Console.WriteLine(e);
+                }
+            }
+        }
+
+        #region IDisposable Support
+        private bool disposedValue = false; // To detect redundant calls
+
+        protected virtual void Dispose(bool disposing)
+        {
+            if (!disposedValue)
+            {
+                if (disposing)
+                {
+                    _stayListening = false;
+                    if (!(_lThread is null))
+                    {
+                        if (_lThread.IsAlive) _lThread.Abort();
+                        _lThread = null;
+                    }
+                    _sock.Close();
+                }
+                _sock = null;
+                _lThread = null;
+                disposedValue = true;
+            }
+        }
+
+        // This code added to correctly implement the disposable pattern.
+        public void Dispose()
+        {
+            // Do not change this code. Put cleanup code in Dispose(bool disposing) above.
+            Dispose(true);
+        }
+        #endregion
+
+    }
+
+    public class DaemonClientMultiplexor : IDisposable
+    {
+        public ClientResponseState SendDataMessage(DataMessage msg) => SendCustomMessage(Messages.GetMessage(msg));
+        private List<DaemonClient> plexed = new List<DaemonClient>();
+        private object slockplexed = new object();
+        private object slockcon = new object();
+        private object slockrecv = new object();
+        public event EventHandler<String> clientMessageReceived;
+        public event EventHandler<DaemonClient> clientConnectComplete;
+        public bool startClients = true;
+        public bool disconnectErroredClients = true;
+
+        public DaemonClientMultiplexor(DaemonServer dsIn)
+        {
+            if (dsIn is null) throw new ArgumentNullException(nameof(dsIn));
+            dsIn.clientConnected += DsIn_ClientConnected;
+        }
+
+        void DsIn_ClientConnected(object sender, DaemonClient e)
+        {
+            lock (slockplexed) plexed.Add(e);
+            e.messageReceived += E_MessageReceived;
+            e.connectionError += E_ConnectionError;
+            if (startClients) e.start();
+            lock(slockcon) clientConnectComplete?.Invoke(this, e);
+        }
+
+        void E_MessageReceived(object sender, string e)
+        {
+            lock(slockrecv) clientMessageReceived?.Invoke(this, e);
+        }
+
+        void E_ConnectionError(object sender, Exception e)
+        {
+            if(disconnectErroredClients) ((DaemonClient)sender).Dispose();
+        }
+
+        public ClientResponseState SendCustomMessage(string msg)
+        {
+            var toret = ClientResponseState.Sent;
+            lock (slockplexed) {
+            foreach (DaemonClient c in plexed)
+            {
+                try
+                {
+                    if (c.SendCustomMessage(msg) != ClientResponseState.Sent) toret = ClientResponseState.Error;
+                } catch (Exception e)
+                {
+                    Console.WriteLine(e);
+                }
+            }
+            }
+            return toret;
+        }
+
+        public void disconnectAllClients()
+        {
+            lock (slockplexed) foreach (DaemonClient c in plexed) c.Dispose();
+            lock (slockplexed) plexed.Clear();
+        }
+
+        #region IDisposable Support
+        private bool disposedValue = false; // To detect redundant calls
+
+        protected virtual void Dispose(bool disposing)
+        {
+            if (!disposedValue)
+            {
+                if (disposing)
+                {
+                    lock(slockplexed) foreach (DaemonClient c in plexed) c.Dispose();
+                    lock (slockplexed) plexed.Clear();
+                }
+
+                plexed = null;
+                slockcon = null;
+                slockrecv = null;
+                slockplexed = null;
+                disposedValue = true;
+            }
+        }
+
+        // This code added to correctly implement the disposable pattern.
+        public void Dispose()
+        {
+            // Do not change this code. Put cleanup code in Dispose(bool disposing) above.
+            Dispose(true);
+        }
+        #endregion
+
+    }
+}

MelonVPNCore/DaemonSocketServer.cs

@@ -15,50 +15,55 @@ namespace MelonVPNCore
         private static bool isRestarting = false;
         private static int startingTime = 3000;
         private static int restartDelay = 250;
+        private static DaemonServer _srv;
+        private static DaemonClientMultiplexor _mlt;
+        private static string lastClientUpdate = Messages.EOF;
 
         public static void StartServer()
         {
-            IPHostEntry host = Dns.GetHostEntry("localhost");
-            IPAddress ipAddress = host.AddressList[0];
-            IPEndPoint localEndPoint = new IPEndPoint(ipAddress, 22035);
-
-            try
-            {
-                Socket listener = new Socket(ipAddress.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
-                listener.Bind(localEndPoint);
-                listener.Listen(32);
-
-                string lastClientUpdate = Messages.EOF;
-
-                while (true)
-                {
-                    Socket handler = listener.Accept();
-
-                    string data = null;
-                    byte[] bytes = null;
-
-                    while (true)
-                    {
-                        bytes = new byte[1024];
-                        int bytesRec = handler.Receive(bytes);
-                        data += Encoding.ASCII.GetString(bytes, 0, bytesRec);
-                        if (data.IndexOf(Messages.EOF, StringComparison.CurrentCulture) > -1) break;
+            _srv = new DaemonServer();
+            _mlt = new DaemonClientMultiplexor(_srv);
+            _mlt.clientMessageReceived += clientMessageReceived;
+            _srv.start();
         }
 
+        public static bool isProcessOnline(Process p)
+        {
+            if (p == null)
+            {
+                return false;
+            }
+            else
+            {
+                if (p.HasExited)
+                {
+                    return false;
+                }
+                else
+                {
+                    return true;
+                }
+            }
+        }
+
+        static void clientMessageReceived(object sender, string data)
+        {
+            try
+            {
                 if (data.StartsWith(Messages.ClientListStartMsg, StringComparison.CurrentCulture) && shouldBeRunning)
                 {
                     lastClientUpdate = data;
-                        Client.SendCustomMessage(lastClientUpdate, true);
+                    _mlt.SendCustomMessage(lastClientUpdate);
                 }
                 else if (data == Messages.RestartOnMsg)
                 {
                     shouldRestart = true;
-                        Client.SendDataMessage(DataMessage.RestartOn, true);
+                    _mlt.SendDataMessage(DataMessage.RestartOn);
                 }
                 else if (data == Messages.RestartOffMsg)
                 {
                     shouldRestart = false;
-                        Client.SendDataMessage(DataMessage.RestartOff, true);
+                    _mlt.SendDataMessage(DataMessage.RestartOff);
                 }
                 else if (data == Messages.StatusMsg)
                 {
@@ -68,27 +73,27 @@ namespace MelonVPNCore
                         if (isRestarting)
                         {
                             Console.WriteLine("Sending response: restarting");
-                                Client.SendDataMessage(DataMessage.Restarting, true);
-                                Client.SendCustomMessage(lastClientUpdate, true);
+                            _mlt.SendDataMessage(DataMessage.Restarting);
+                            _mlt.SendCustomMessage(lastClientUpdate);
                         }
                         else
                         {
                             Console.WriteLine("Sending response: online");
-                                Client.SendDataMessage(DataMessage.Online, true);
-                                Client.SendCustomMessage(lastClientUpdate, true);
+                            _mlt.SendDataMessage(DataMessage.Online);
+                            _mlt.SendCustomMessage(lastClientUpdate);
                         }
                     }
                     else
                     {
                         Console.WriteLine("Sending response: offline");
-                            Client.SendDataMessage(DataMessage.Offline, true);
-                            Client.SendCustomMessage(Messages.ClientListEmptyMsg, true);
+                        _mlt.SendDataMessage(DataMessage.Offline);
+                        _mlt.SendCustomMessage(Messages.ClientListEmptyMsg);
                     }
-                        Client.SendDataMessage((shouldRestart) ? DataMessage.RestartOn : DataMessage.RestartOff);
+                    _mlt.SendDataMessage((shouldRestart) ? DataMessage.RestartOn : DataMessage.RestartOff);
                 }
                 else if (data == Messages.StartMsg)
                 {
-                        if (! isProcessOnline(currentVpnProcess))
+                    if (!isProcessOnline(currentVpnProcess))
                     {
                         shouldBeRunning = true;
                         Console.WriteLine("Starting VPN");
@@ -96,11 +101,11 @@ namespace MelonVPNCore
                         {
                             Console.WriteLine("Starting embedded process");
                             Console.WriteLine("Sending starting reply");
-                                Client.SendDataMessage(DataMessage.Starting, true);
+                            _mlt.SendDataMessage(DataMessage.Starting);
                             if (StartEProcess(true))
                             {
                                 Console.WriteLine("Sending online reply");
-                                    Client.SendDataMessage(DataMessage.Online, true);
+                                _mlt.SendDataMessage(DataMessage.Online);
                                 currentVpnProcess.EnableRaisingEvents = true;
                             }
                             else { throw new InvalidOperationException("Client crashed!"); }
@@ -112,8 +117,8 @@ namespace MelonVPNCore
                             Console.WriteLine("It looked like this: " + e);
                             currentVpnProcess.Dispose();
                             currentVpnProcess = null;
-                                Client.SendDataMessage(DataMessage.Error, true);
-                                Client.SendCustomMessage(Messages.ClientListEmptyMsg, true);
+                            _mlt.SendDataMessage(DataMessage.Error);
+                            _mlt.SendCustomMessage(Messages.ClientListEmptyMsg);
                         }
                     }
                     else
@@ -140,8 +145,8 @@ namespace MelonVPNCore
                             Console.WriteLine("There was an error. But I fixed it.");
                             Console.WriteLine("It looked like this: " + e);
                             currentVpnProcess = null;
-                                Client.SendDataMessage(DataMessage.Error, true);
-                                Client.SendCustomMessage(Messages.ClientListEmptyMsg, true);
+                            _mlt.SendDataMessage(DataMessage.Error);
+                            _mlt.SendCustomMessage(Messages.ClientListEmptyMsg);
                             haderr = true;
                         }
                     }
@@ -152,16 +157,13 @@ namespace MelonVPNCore
                     if (!haderr)
                     {
                         Console.WriteLine("Sending offline reply");
-                            Client.SendDataMessage(DataMessage.Offline, true);
-                            Client.SendCustomMessage(Messages.ClientListEmptyMsg, true);
+                        _mlt.SendDataMessage(DataMessage.Offline);
+                        _mlt.SendCustomMessage(Messages.ClientListEmptyMsg);
                     }
                 }
 
-                    Client.SendDataMessage(DataMessage.Blank, true);
+                _mlt.SendDataMessage(DataMessage.Blank);
 
-                    handler.Shutdown(SocketShutdown.Both);
-                    handler.Close();
-                }
             }
             catch (Exception e)
             {
@@ -169,24 +171,6 @@ namespace MelonVPNCore
             }
         }
 
-        public static bool isProcessOnline(Process p)
-        {
-            if (p == null)
-            {
-                return false;
-            }
-            else
-            {
-                if (p.HasExited)
-                {
-                    return false;
-                }
-                else
-                {
-                    return true;
-                }
-            }
-        }
 
         static void CurrentVpnProcess_Exited(object sender, EventArgs e)
         {
@@ -199,11 +183,11 @@ namespace MelonVPNCore
             while (shouldRestart && shouldBeRunning)
             {
                 Console.WriteLine("Sending restarting reply");
-                Client.SendDataMessage(DataMessage.Restarting, true);
+                _mlt.SendDataMessage(DataMessage.Restarting);
                 if (StartEProcess(false))
                 {
                     Console.WriteLine("Sending online reply");
-                    Client.SendDataMessage(DataMessage.Online, true);
+                    _mlt.SendDataMessage(DataMessage.Online);
                     currentVpnProcess.EnableRaisingEvents = true;
                     imonline = true;
                     break;
@@ -220,8 +204,8 @@ namespace MelonVPNCore
             {
                 shouldBeRunning = false;
                 Console.WriteLine("Sending offline reply");
-                Client.SendDataMessage(DataMessage.Offline, true);
-                Client.SendCustomMessage(Messages.ClientListEmptyMsg, true);
+                _mlt.SendDataMessage(DataMessage.Offline);
+                _mlt.SendCustomMessage(Messages.ClientListEmptyMsg);
             }
         }
 

MelonVPNCore/GUISocketServer.cs

@@ -2,41 +2,76 @@
 using System.Net;
 using System.Net.Sockets;
 using System.Text;
+using System.Threading;
 
 namespace MelonVPNCore
 {
     public static class GUISocketServer
     {
+        public static ClientResponseState SendDataMessage(DataMessage msg) => SendCustomMessage(Messages.GetMessage(msg));
+        public static int reconnectTimeout = 2000;
+        public static DaemonClient client;
         public static event EventHandler<ClientResponseState> Receive;
         public static event EventHandler<ConnectedClient[]> ClientListUpdate;
+        private static bool waitfcl = false;
+        private static bool exec = true;
 
         public static void StartServer()
         {
-            IPHostEntry host = Dns.GetHostEntry("localhost");
-            IPAddress ipAddress = host.AddressList[0];
-            IPEndPoint localEndPoint = new IPEndPoint(ipAddress, 22036);
 
+            while (exec)
+            {
                 try
                 {
-                Socket listener = new Socket(ipAddress.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
-                listener.Bind(localEndPoint);
-                listener.Listen(32);
-
-                while (true)
+                    client = new DaemonClient();
+                    client.connectionError += Client_ConnectionError;
+                    client.messageReceived += Client_MessageReceived;
+                    waitfcl = true;
+                    client.start();
+                    while (waitfcl) Thread.Sleep(reconnectTimeout);
+                    client.connectionError -= Client_ConnectionError;
+                    client.messageReceived -= Client_MessageReceived;
+                    client.Dispose();
+                }
+                catch (InvalidOperationException e)
                 {
-                    Socket handler = listener.Accept();
-
-                    string data = "";
-                    byte[] bytes = null;
-
-                    while (true)
-                    {
-                        bytes = new byte[1024];
-                        int bytesRec = handler.Receive(bytes);
-                        data += Encoding.ASCII.GetString(bytes, 0, bytesRec);
-                        if (data.IndexOf(Messages.EOF, StringComparison.CurrentCulture) > -1) break;
+                    Console.WriteLine(e);
+                }
+                Thread.Sleep(reconnectTimeout);
+            }
+            Console.WriteLine("GUISocketServer has reached the end.");
         }
 
+        public static void oneConnect()
+        {
+            try
+            {
+                client = new DaemonClient();
+                client.messageReceived += Client_MessageReceived;
+                waitfcl = true;
+                client.start();
+            }
+            catch (InvalidOperationException e)
+            {
+                Console.WriteLine(e);
+            }
+        }
+
+        public static void oneDispose()
+        {
+            client.messageReceived -= Client_MessageReceived;
+            client.Dispose();
+        }
+
+        static void Client_ConnectionError(object sender, Exception e)
+        {
+            waitfcl = false;
+        }
+
+        static void Client_MessageReceived(object sender, string data)
+        {
+            try
+            {
                 ClientResponseState ret = ClientResponseState.None;
                 if (data == Messages.OnlineMsg) ret = ClientResponseState.Online;
                 if (data == Messages.OfflineMsg) ret = ClientResponseState.Offline;
@@ -54,18 +89,18 @@ namespace MelonVPNCore
                     ConnectedClient[] clients = ClientListParser.Parse(jsonData);
                     ClientListUpdate?.Invoke(null, clients);
                 }
-
-                    handler.Shutdown(SocketShutdown.Both);
-                    handler.Close();
-
                 Receive?.Invoke(null, ret);
             }
-            }
             catch (Exception e)
             {
                 Console.WriteLine(e);
             }
-            Console.WriteLine("GUI socket server reached the end");
+        }
+
+        public static ClientResponseState SendCustomMessage(string msg)
+        {
+            var toret = client?.SendCustomMessage(msg);
+            return (toret.HasValue) ? toret.Value : ClientResponseState.Error;
         }
     }
 }

MelonVPNCore/MelonVPNCore.csproj

@@ -29,12 +29,12 @@
     <Compile Include="DaemonSocketServer.cs" />
     <Compile Include="ThreadWrapper.cs" />
     <Compile Include="Messages.cs" />
-    <Compile Include="Client.cs" />
     <Compile Include="DataMessage.cs" />
     <Compile Include="ClientResponseState.cs" />
     <Compile Include="GUISocketServer.cs" />
     <Compile Include="ClientListParser.cs" />
     <Compile Include="ConnectedClient.cs" />
+    <Compile Include="DaemonMessaging.cs" />
   </ItemGroup>
   <ItemGroup>
     <Reference Include="System" />