Reconnection base

Example.Frontend/Program.cs

@@ -5,6 +5,7 @@ using System.Threading;
 using System.Threading.Tasks;
 using Example.Frontend;
 using Example.Shared;
+using mROA.Abstract;
 using mROA.Cbor;
 using mROA.Codegen;
 using mROA.Implementation;
@@ -38,7 +39,7 @@ class Program
         TransmissionConfig.RealContextRepository = builder.GetModule<ContextRepository>();
         TransmissionConfig.RemoteEndpointContextRepository = builder.GetModule<RemoteContextRepository>();
 
-        builder.GetModule<NetworkFrontendBridge>()!.Connect();
+        builder.GetModule<IFrontendBridge>()!.Connect();
         _ = builder.GetModule<RequestExtractor>()!.StartExtraction();
         Console.WriteLine(TransmissionConfig.OwnershipRepository.GetOwnershipId());
         var context = builder.GetModule<RemoteContextRepository>();

mROA.Test/NextGenTest.cs

@@ -37,7 +37,7 @@ namespace mROA.Test
 
                 foreach (var guid in guids)
                 {
-                    _interactionModuleB.PostMessage(new NetworkMessageHeader { Id = guid, Data = "Hello user"u8.ToArray() });
+                    _interactionModuleB.PostMessageAsync(new NetworkMessageHeader { Id = guid, Data = "Hello user"u8.ToArray() });
                 }
             });
         

mROA/Abstract/IFrontendBridge.cs

@@ -1,6 +1,11 @@
+using System;
+
 namespace mROA.Abstract
 {
-    public interface IFrontendBridge : IInjectableModule
+    public interface IFrontendBridge : IInjectableModule, IDisposable
     {
+        void Connect();
+        void Obstacle();
+        void Disconnect();
     }
 }

mROA/Abstract/IInteractionModule.cs

@@ -10,9 +10,11 @@ namespace mROA.Abstract
         int ConnectionId { get; set; }
         public Stream? BaseStream { get; set; }
         Task<NetworkMessageHeader> GetNextMessageReceiving();
-        Task PostMessage(NetworkMessageHeader messageHeader);
+        Task PostMessageAsync(NetworkMessageHeader messageHeader);
         void HandleMessage(NetworkMessageHeader messageHeader);
         NetworkMessageHeader[] UnhandledMessages { get; }
         NetworkMessageHeader? FirstByFilter(Predicate<NetworkMessageHeader> predicate);
+        event Action<int> OnDisconected;
+        
     }
 }

mROA/Implementation/Backend/NetworkGatewayModule.cs

@@ -79,7 +79,7 @@ namespace mROA.Implementation.Backend
 
                 if (connectionRequest.MessageType == EMessageType.ClientConnect)
                 {
-                    interaction.PostMessage(new NetworkMessageHeader(_serialization!,
+                    interaction.PostMessageAsync(new NetworkMessageHeader(_serialization!,
                         new IdAssignment { Id = -interaction.ConnectionId }));
                     _hub!.RegisterInteraction(interaction);
                     Console.WriteLine("Client registered");
@@ -98,7 +98,7 @@ namespace mROA.Implementation.Backend
 
                     interaction.BaseStream = client.GetStream();
 
-                    interaction.PostMessage(new NetworkMessageHeader(_serialization!,
+                    interaction.PostMessageAsync(new NetworkMessageHeader(_serialization!,
                         new IdAssignment { Id = -interaction.ConnectionId }));
                     _hub!.RegisterInteraction(interaction);
                     Console.WriteLine("Client registered");

mROA/Implementation/ClientDisconnect.cs

@@ -0,0 +1,7 @@
+namespace mROA.Implementation
+{
+    public class ClientDisconnect : INetworkMessage
+    {
+        public EMessageType MessageType => EMessageType.ClientDisconnect;
+    }
+}

mROA/Implementation/EMessageType.cs

@@ -10,6 +10,7 @@ namespace mROA.Implementation
         CancelRequest,
         EventRequest,
         ClientRecovery,
-        ClientConnect
+        ClientConnect,
+        ClientDisconnect,
     }
 }

mROA/Implementation/Frontend/NetworkFrontendBridge.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Net;
 using System.Net.Sockets;
+using System.Threading.Tasks;
 using mROA.Abstract;
 using Exception = System.Exception;
 
@@ -39,9 +40,14 @@ namespace mROA.Implementation.Frontend
                 throw new NullReferenceException("Serialization toolkit is not initialized");
 
             _tcpClient.Connect(_ipEndPoint);
+
             _interactionModule.BaseStream = _tcpClient.GetStream();
 
-            _ = _interactionModule.PostMessage(new NetworkMessageHeader(_serialization, new ClientConnect()));
+            _interactionModule.OnDisconected += async id =>
+            {
+                await Reconect();
+            };
+            _ = _interactionModule.PostMessageAsync(new NetworkMessageHeader(_serialization, new ClientConnect()));
             var welcomeMessage = _interactionModule.GetNextMessageReceiving().GetAwaiter().GetResult();
             if (welcomeMessage.MessageType != EMessageType.IdAssigning)
             {
@@ -50,10 +56,34 @@ namespace mROA.Implementation.Frontend
             }
 
 
-            
             var assignment = _serialization.Deserialize<IdAssignment>(welcomeMessage.Data)!;
             _interactionModule.ConnectionId = -assignment.Id;
             TransmissionConfig.OwnershipRepository = new StaticOwnershipRepository(assignment.Id);
         }
+
+        private async Task Reconect()
+        {
+            _tcpClient.Connect(_ipEndPoint);
+            _interactionModule.BaseStream = _tcpClient.GetStream();
+            await _interactionModule.Restart();
+        }
+
+        public void Obstacle()
+        {
+            _interactionModule!.BaseStream!.Close();
+            _tcpClient.Close();
+        }
+
+        public void Disconnect()
+        {
+            _ = _interactionModule!.PostMessageAsync(new NetworkMessageHeader(_serialization!, new ClientDisconnect()));
+            _interactionModule.BaseStream!.Close();
+            _tcpClient.Dispose();
+        }
+
+        public void Dispose()
+        {
+            Disconnect();
+        }
     }
 }

mROA/Implementation/IdAssignment.cs

@@ -9,6 +9,11 @@ namespace mROA.Implementation
 
     public class ClientRecovery : INetworkMessage
     {
+        public ClientRecovery(int id)
+        {
+            Id = id;
+        }
+
         public int Id { get; set; }
         public EMessageType MessageType => EMessageType.ClientRecovery;
     }

mROA/Implementation/NextGenerationInteractionModule.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using System.Net.Sockets;
 using System.Threading.Tasks;
 using mROA.Abstract;
 
@@ -15,6 +16,9 @@ namespace mROA.Implementation
         private Task<NetworkMessageHeader>? _currentReceiving;
         private ISerializationToolkit? _serialization;
         private Stream? _baseStream;
+
+        private TaskCompletionSource<Stream> _reconection = new();
+
         public int ConnectionId { get; set; }
 
         public Stream? BaseStream
@@ -24,8 +28,8 @@ namespace mROA.Implementation
             {
                 if (_baseStream is null)
                 {
-                    
                 }
+
                 _baseStream = value;
             }
         }
@@ -51,7 +55,7 @@ namespace mROA.Implementation
             return _currentReceiving;
         }
 
-        public async Task PostMessage(NetworkMessageHeader messageHeader)
+        public async Task PostMessageAsync(NetworkMessageHeader messageHeader)
         {
             if (BaseStream == null)
                 throw new NullReferenceException("BaseStream is null");
@@ -81,6 +85,8 @@ namespace mROA.Implementation
             return _messageBuffer.FirstOrDefault(m => predicate(m));
         }
 
+        public event Action<int>? OnDisconected;
+
         private async Task<NetworkMessageHeader> GetNextMessage()
         {
             if (BaseStream == null)
@@ -89,37 +95,53 @@ namespace mROA.Implementation
             if (_serialization == null)
                 throw new NullReferenceException("Serialization toolkit is null");
 
-
-            try
+            while (true)
             {
-                // Console.WriteLine("Receiving message");
-                var firstBit = (byte)BaseStream.ReadByte();
-                var secondBit = (byte)BaseStream.ReadByte();
+                try
+                {
+                    return await Receive();
+                }
+                catch (Exception)
+                {
+                    OnDisconected!.Invoke(ConnectionId);
+                    _ = await _reconection.Task;
+                }
+            }
+        }
 
-                var len = BitConverter.ToUInt16(new[] { firstBit, secondBit });
-                var localSpan = _buffer[..len];
+        private ushort ReadMessageLength()
+        {
+            var firstBit = (byte)BaseStream.ReadByte();
+            var secondBit = (byte)BaseStream.ReadByte();
 
-                await BaseStream.ReadExactlyAsync(localSpan);
+            var len = BitConverter.ToUInt16(new[] { firstBit, secondBit });
 
-                // Console.WriteLine("Receiving {0}", Encoding.Default.GetString(_buffer[..len]));
+            return len;
+        }
 
-                var message = _serialization.Deserialize<NetworkMessageHeader>(localSpan.Span);
+        private async Task<NetworkMessageHeader> Receive()
+        {
+            var len = ReadMessageLength();
+            var localSpan = _buffer[..len];
+
+            await BaseStream.ReadExactlyAsync(localSpan);
+
+            var message = _serialization.Deserialize<NetworkMessageHeader>(localSpan.Span);
 #if TRACE
             Console.WriteLine($"{DateTime.Now.TimeOfDay} Received Message {message.Id} - {message.SchemaId}");
             TransmissionConfig.TotalTransmittedBytes += len;
             Console.WriteLine($"Total recieced bytes are {TransmissionConfig.TotalTransmittedBytes}");
 #endif
-                _messageBuffer.Add(message);
-                _currentReceiving = Task.Run(async () => await GetNextMessage());
+            _messageBuffer.Add(message);
+            _currentReceiving = Task.Run(async () => await GetNextMessage());
 
-                return message;
-            }
-            catch (Exception e)
-            {
-                Console.WriteLine(e);
-                throw;
-            }
+            return message;
+        }
 
+        public async Task Restart()
+        {
+            await PostMessageAsync(new NetworkMessageHeader(_serialization!, new ClientRecovery(Math.Abs(ConnectionId))));
+            _reconection.SetResult(BaseStream!);
         }
     }
 }

mROA/Implementation/RepresentationModule.cs

@@ -97,7 +97,7 @@ namespace mROA.Implementation
 #endif
 
             var serialized = _serialization.Serialize(payload, payloadType);
-            await _interaction.PostMessage(new NetworkMessageHeader
+            await _interaction.PostMessageAsync(new NetworkMessageHeader
                 { Id = id, MessageType = eMessageType, Data = serialized });
         }