1.增加RedisHost配置属性

2.增加默认空的会话发布实现
3.增加Redis的会话发布实现待完善

src/JT808.DotNetty/Configurations/JT808Configuration.cs

@@ -46,5 +46,7 @@ namespace JT808.DotNetty.Configurations
         //  就跟神兽貔貅一样。。。
         /// </summary>
         public List<JT808ClientConfiguration> ForwardingRemoteAddress { get; set; }
+
+        public string RedisHost { get; set; }
     }
 }

src/JT808.DotNetty/Interfaces/IJT808Publishing.cs

@@ -7,6 +7,6 @@ namespace JT808.DotNetty.Interfaces
 {
     public interface IJT808Publishing
     {
-        Task Publish(string topicName,string key,string value);
+        Task PublishAsync(string topicName,string key,string value);
     }
 }

src/JT808.DotNetty/Internal/JT808SessionPublishingEmptyImpl.cs

@@ -0,0 +1,16 @@
+using JT808.DotNetty.Interfaces;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace JT808.DotNetty.Internal
+{
+    internal class JT808SessionPublishingEmptyImpl : IJT808SessionPublishing
+    {
+        public Task PublishAsync(string topicName, string key, string value)
+        {
+            return Task.CompletedTask;
+        }
+    }
+}

src/JT808.DotNetty/Internal/JT808SessionPublishingRedisImpl.cs

@@ -0,0 +1,40 @@
+using JT808.DotNetty.Interfaces;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading.Tasks;
+using StackExchange.Redis;
+using Microsoft.Extensions.Options;
+using JT808.DotNetty.Configurations;
+using Microsoft.Extensions.Logging;
+
+namespace JT808.DotNetty.Internal
+{
+    internal class JT808SessionPublishingRedisImpl : IJT808SessionPublishing
+    {
+        private IConnectionMultiplexer connectionMultiplexer;
+
+        private IOptionsMonitor<JT808Configuration> optionsMonitor;
+
+        private ILogger<JT808SessionPublishingRedisImpl> logger;
+
+        private JT808SessionPublishingRedisImpl(
+            ILoggerFactory loggerFactory,
+            IOptionsMonitor<JT808Configuration> optionsMonitor
+            )
+        {
+            this.optionsMonitor = optionsMonitor;
+            logger = loggerFactory.CreateLogger<JT808SessionPublishingRedisImpl>();
+            connectionMultiplexer = ConnectionMultiplexer.Connect(optionsMonitor.CurrentValue.RedisHost);
+        }
+
+        public Task PublishAsync(string topicName, string key, string value)
+        {
+            if (connectionMultiplexer.IsConnected)
+            {
+
+            }
+            return Task.CompletedTask;
+        }
+    }
+}