additional redis tweaks

BinaryDad.Coding/Startup.cs

@@ -5,6 +5,8 @@ using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
+using StackExchange.Redis;
+using System;
 
 namespace BinaryDad.Coding
 {
@@ -21,7 +23,32 @@ namespace BinaryDad.Coding
         public void ConfigureServices(IServiceCollection services)
         {
             services.AddMvc();
-            services.AddSignalR().AddStackExchangeRedis("redis");
+            services.AddSignalR().AddStackExchangeRedis("redis", options =>
+            {
+                options.ConnectionFactory = async writer =>
+                {
+                    var config = new ConfigurationOptions
+                    {
+                        AbortOnConnectFail = false
+                    };
+                    
+                    //config.SetDefaultPorts();
+                    
+                    var connection = await ConnectionMultiplexer.ConnectAsync(config, writer);
+
+                    connection.ConnectionFailed += (_, e) =>
+                    {
+                        Console.WriteLine("Connection to Redis failed.");
+                    };
+
+                    if (!connection.IsConnected)
+                    {
+                        Console.WriteLine("Did not connect to Redis.");
+                    }
+
+                    return connection;
+                };
+            });
 
             services.AddHttpsRedirection(options =>
             {