Add extension method AddCSRedisCache for IServiceCollection

src/Microsoft.Extensions.Caching.CSRedis/CSRedisCache.cs

@@ -2,14 +2,19 @@
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
+using Caching.CSRedis;
 using Microsoft.Extensions.Caching.Distributed;
+using Microsoft.Extensions.Options;
 
 namespace Microsoft.Extensions.Caching.Redis {
 
+	/// <summary>
+	///  Distributed cache implementation using Redis.
+	/// </summary>
 	public class CSRedisCache : IDistributedCache {
 		private CSRedis.CSRedisClient _redisClient;
-		public CSRedisCache(CSRedis.CSRedisClient redisClient) {
-			_redisClient = redisClient;
+		public CSRedisCache(IOptions<CSRedisCacheOptions> optionsAccessor) {
+			_redisClient = optionsAccessor.Value.CSRedisClient;
 		}
 		// KEYS[1] = = key
 		// ARGV[1] = absolute-expiration - ticks as long (-1 for none)

src/Microsoft.Extensions.Caching.CSRedis/CSRedisCacheOptions.cs

@@ -0,0 +1,22 @@
+using CSRedis;
+using Microsoft.Extensions.Caching.Redis;
+using Microsoft.Extensions.Options;
+
+namespace Caching.CSRedis
+{
+    /// <summary>
+    /// Configuration options for <see cref="CSRedisCache"/>.
+    /// </summary>
+    public class CSRedisCacheOptions : IOptions<CSRedisCacheOptions>
+    {
+        /// <summary>
+        /// Redis Client
+        /// </summary>
+        public CSRedisClient CSRedisClient { get; set; }
+
+        CSRedisCacheOptions IOptions<CSRedisCacheOptions>.Value
+        {
+            get { return this; }
+        }
+    }
+}

src/Microsoft.Extensions.Caching.CSRedis/CSRedisCacheServiceCollectionExtensions.cs

@@ -0,0 +1,36 @@
+using Caching.CSRedis;
+using Microsoft.Extensions.Caching.Distributed;
+using Microsoft.Extensions.Caching.Redis;
+using System;
+
+namespace Microsoft.Extensions.DependencyInjection
+{
+    public static class CSRedisCacheServiceCollectionExtensions
+    {
+        /// <summary>
+        /// Adds Redis distributed caching services to the specified <see cref="IServiceCollection" />.
+        /// </summary>
+        /// <param name="services">The <see cref="IServiceCollection" /> to add services to.</param>
+        /// <param name="setupAction">An <see cref="Action{CSRedisCacheOptions}"/> to configure the provided
+        /// <see cref="CSRedisCacheOptions"/>.</param>
+        /// <returns>The <see cref="IServiceCollection"/> so that additional calls can be chained.</returns>
+        public static IServiceCollection AddCSRedisCache(this IServiceCollection services, Action<CSRedisCacheOptions> setupAction)
+        {
+            if (services == null)
+            {
+                throw new ArgumentNullException(nameof(services));
+            }
+
+            if (setupAction == null)
+            {
+                throw new ArgumentNullException(nameof(setupAction));
+            }
+
+            services.AddOptions();
+            services.Configure(setupAction);
+            services.Add(ServiceDescriptor.Singleton<IDistributedCache, CSRedisCache>());
+
+            return services;
+        }
+    }
+}

src/Microsoft.Extensions.Caching.CSRedis/Microsoft.Extensions.Caching.CSRedis.csproj

@@ -30,6 +30,10 @@
 	<ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp21'">
 		<PackageReference Include="Microsoft.Extensions.Caching.Abstractions" Version="2.1.23" />
 	</ItemGroup>
+	<ItemGroup>
+	  <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="6.0.0" />
+	  <PackageReference Include="Microsoft.Extensions.Options" Version="6.0.0" />
+	</ItemGroup>
 
 	<ItemGroup>
 		<ProjectReference Include="..\CSRedisCore\CSRedisCore.csproj" />

src/Microsoft.Extensions.Caching.CSRedis/README.md

@@ -13,7 +13,9 @@
 
 ```csharp
 var csredis = new CSRedis.CSRedisClient("127.0.0.1:6379,password=123,defaultDatabase=13,ssl=false,writeBuffer=10240,poolsize=50,prefix=key前辍");
-services.AddSingleton<IDistributedCache>(new Microsoft.Extensions.Caching.Redis.CSRedisCache(csredis));
+services.AddCSRedisCache(options => {
+	options.CSRedisClient = csredis;
+});
 ```
 
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