从Serein.Library分离了WebSocket/Modbus；新增了Json门户类，用于未来的Http、WebSocket、Mqtt、gRPC、QUIC扩展。

Serein.Proto.WebSocket/Handle/WebSocketMsgContext.cs

@@ -0,0 +1,115 @@
+using Serein.Library.Api;
+using Serein.Library.Utils;
+using System;
+using System.Threading.Tasks;
+
+namespace Serein.Proto.WebSocket.Handle
+{
+
+    /// <summary>
+    /// 消息处理上下文
+    /// </summary>
+    public class WebSocketMsgContext : IDisposable
+    {
+        public WebSocketMsgContext(Func<string, Task> sendAsync)
+        {
+            _sendAsync = sendAsync;
+        }
+
+        public void Dispose()
+        {
+            MsgRequest = null;
+            MsgTheme = null;
+            MsgId = null;
+            MsgData = null;
+            MsgData = null;
+            _sendAsync = null;
+        }
+
+        /// <summary>
+        /// 标记是否已经处理，如果是，则提前退出
+        /// </summary>
+        public bool Handle { get => _handle; set{
+                if(value)
+                {
+                    Dispose();
+                    _handle = value;
+                }
+            } }
+
+        public bool _handle = false;
+
+        /// <summary>
+        /// 消息本体（IJsonToken）
+        /// </summary>
+        public IJsonToken MsgRequest { get; set; }
+
+        /// <summary>
+        /// 此次消息请求的主题
+        /// </summary>
+        public string MsgTheme { get; set; }
+
+        /// <summary>
+        /// 此次消息附带的ID
+        /// </summary>
+        public string MsgId { get; set; }
+
+        /// <summary>
+        /// 此次消息的数据
+        /// </summary>
+        public IJsonToken MsgData { get; set; }
+
+
+        private Func<string, Task> _sendAsync;
+
+        /// <summary>
+        /// 发送消息
+        /// </summary>
+        /// <param name="msg"></param>
+        /// <returns></returns>
+        public async Task SendAsync(string msg)
+        {
+            await _sendAsync.Invoke(msg);
+        }
+
+
+        /// <summary>
+        /// 返回消息
+        /// </summary>
+        /// <param name="moduleConfig"></param>
+        /// <param name="context"></param>
+        /// <param name="data"></param>
+        /// <returns></returns>
+        public async Task RepliedAsync(WebSocketHandleModuleConfig moduleConfig,
+                                    WebSocketMsgContext context,
+                                    object data)
+        {
+            if (moduleConfig.IsResponseUseReturn)
+            {
+                var responseContent = JsonHelper.Serialize(data);
+                await SendAsync(responseContent);
+            }
+            else
+            {
+
+                IJsonToken jsonData;
+
+                jsonData = JsonHelper.Object(obj =>
+                {
+                    obj[moduleConfig.MsgIdJsonKey] = context.MsgId;
+                    obj[moduleConfig.ThemeJsonKey] = context.MsgTheme;
+                    obj[moduleConfig.DataJsonKey] = data is null ? null
+                                                                 : JsonHelper.FromObject(data);
+                });
+
+                var msg = jsonData.ToString();
+                //Console.WriteLine($"[{msgId}] => {theme}");
+                await SendAsync(msg);
+            }
+
+        }
+
+        
+    }
+
+}