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Assets/Mirror/Transports/Middleware/MiddlewareTransport.asmdef

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+    "name": "MiddlewareTransport",
+    "rootNamespace": "",
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+}

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Assets/Mirror/Transports/Middleware/MiddlewareTransport.cs

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+using System;
+using UnityEngine;
+
+namespace Mirror
+{
+    /// <summary>
+    /// Allows Middleware to override some of the transport methods or let the inner transport handle them.
+    /// </summary>
+    [DisallowMultipleComponent]
+    public abstract class MiddlewareTransport : Transport
+    {
+        /// <summary>
+        /// Transport to call to after middleware
+        /// </summary>
+        public Transport inner;
+
+        public override bool Available() => inner.Available();
+        public override int GetMaxPacketSize(int channelId = 0) => inner.GetMaxPacketSize(channelId);
+        public override int GetBatchThreshold(int channelId = Channels.Reliable) => inner.GetBatchThreshold(channelId);
+        public override void Shutdown() => inner.Shutdown();
+
+        #region Client
+        public override void ClientConnect(string address)
+        {
+            inner.OnClientConnected = OnClientConnected;
+            inner.OnClientDataReceived = OnClientDataReceived;
+            inner.OnClientDisconnected = OnClientDisconnected;
+            inner.OnClientError = OnClientError;
+            inner.ClientConnect(address);
+        }
+
+        public override bool ClientConnected() => inner.ClientConnected();
+        public override void ClientDisconnect() => inner.ClientDisconnect();
+        public override void ClientSend(ArraySegment<byte> segment, int channelId) => inner.ClientSend(segment, channelId);
+
+        public override void ClientEarlyUpdate() => inner.ClientEarlyUpdate();
+        public override void ClientLateUpdate() => inner.ClientLateUpdate();
+        #endregion
+
+        #region Server
+        public override bool ServerActive() => inner.ServerActive();
+        public override void ServerStart()
+        {
+            inner.OnServerConnected = OnServerConnected;
+            inner.OnServerDataReceived = OnServerDataReceived;
+            inner.OnServerDisconnected = OnServerDisconnected;
+            inner.OnServerError = OnServerError;
+            inner.ServerStart();
+        }
+
+        public override void ServerStop() => inner.ServerStop();
+        public override void ServerSend(int connectionId, ArraySegment<byte> segment, int channelId) => inner.ServerSend(connectionId, segment, channelId);
+        public override void ServerDisconnect(int connectionId) => inner.ServerDisconnect(connectionId);
+        public override string ServerGetClientAddress(int connectionId) => inner.ServerGetClientAddress(connectionId);
+        public override Uri ServerUri() => inner.ServerUri();
+
+        public override void ServerEarlyUpdate() => inner.ServerEarlyUpdate();
+        public override void ServerLateUpdate() => inner.ServerLateUpdate();
+        #endregion
+    }
+}

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