[+] 接入ET8服务端

[+] 接入ET8服务端

Assets/GameScripts/DotNet/Model/Server/Module/Message/MessageHandler.cs

@@ -0,0 +1,65 @@
+using System;
+
+namespace ET.Server
+{
+    public abstract class MessageHandler<Request, Response>: IMHandler where Request : MessageObject, IRequest where Response : MessageObject, IResponse
+    {
+        protected abstract ETTask Run(Session session, Request request, Response response);
+
+        public void Handle(Session session, object message)
+        {
+            HandleAsync(session, message).Coroutine();
+        }
+
+        private async ETTask HandleAsync(Session session, object message)
+        {
+            try
+            {
+                Request request = message as Request;
+                if (request == null)
+                {
+                    throw new Exception($"消息类型转换错误: {message.GetType().FullName} to {typeof (Request).FullName}");
+                }
+
+                int rpcId = request.RpcId;
+                long instanceId = session.InstanceId;
+
+                Response response = ObjectPool.Instance.Fetch<Response>();
+
+                try
+                {
+                    await this.Run(session, request, response);
+                }
+                catch (Exception exception)
+                {
+                    Log.Error(exception);
+                    response.Error = ErrorCore.ERR_RpcFail;
+                    response.Message = exception.ToString();
+                }
+                
+                // 等回调回来,session可以已经断开了,所以需要判断session InstanceId是否一样
+                if (session.InstanceId != instanceId)
+                {
+                    return;
+                }
+                
+                response.RpcId = rpcId; // 在这里设置rpcId是为了防止在Run中不小心修改rpcId字段
+                session.Send(response);
+            }
+            catch (Exception e)
+            {
+                throw new Exception($"解释消息失败: {message.GetType().FullName}", e);
+            }
+        }
+
+        public Type GetMessageType()
+        {
+            return typeof (Request);
+        }
+
+        public Type GetResponseType()
+        {
+            return typeof (Response);
+        }
+    }
+}