SSDB support

StackExchange.Redis.Tests/SSDB.cs

+using NUnit.Framework;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StackExchange.Redis.Tests
+{
+    [TestFixture]
+    public class SSDB : TestBase
+    {
+        [Test]
+        public void ConnectToSSDB()
+        {
+            var config = new ConfigurationOptions
+            {
+                EndPoints = { { "ubuntu", 8888 } },
+                CommandMap = CommandMap.SSDB
+            };
+            RedisKey key = Me();
+            using (var conn = ConnectionMultiplexer.Connect(config))
+            {
+                var db = conn.GetDatabase(0);
+                db.KeyDelete(key);
+                Assert.IsTrue(db.StringGet(key).IsNull);
+                db.StringSet(key, "abc");
+                Assert.AreEqual("abc", (string)db.StringGet(key));
+            }
+        }
+    }
+}

StackExchange.Redis.Tests/StackExchange.Redis.Tests.csproj

@@ -88,6 +88,7 @@
     <Compile Include="Scripting.cs" />
     <Compile Include="Secure.cs" />
     <Compile Include="Sets.cs" />
+    <Compile Include="SSDB.cs" />
     <Compile Include="SSL.cs" />
     <Compile Include="TaskTests.cs" />
     <Compile Include="TestBase.cs" />

StackExchange.Redis.Tests/TestBase.cs

@@ -145,7 +145,8 @@ protected IServer GetServer(ConnectionMultiplexer muxer)
         protected virtual ConnectionMultiplexer Create(
             string clientName = null, int? syncTimeout = null, bool? allowAdmin = null, int? keepAlive = null,
             int? connectTimeout = null, string password = null, string tieBreaker = null, TextWriter log = null,
-            bool fail = true, string[] disabledCommands = null, bool checkConnect = true, bool pause = true, string failMessage = null,
+            bool fail = true, string[] disabledCommands = null, string[] enabledCommands = null,
+            bool checkConnect = true, bool pause = true, string failMessage = null,
             string channelPrefix = null, bool useSharedSocketManager = true, Proxy? proxy = null)
         {
             if(pause) Thread.Sleep(500); // get a lot of glitches when hammering new socket creations etc; pace it out a bit
@@ -153,10 +154,10 @@ protected IServer GetServer(ConnectionMultiplexer muxer)
             var config = ConfigurationOptions.Parse(configuration);
             if (disabledCommands != null && disabledCommands.Length != 0)
             {
-                var map = new Dictionary<string, string>();
-                foreach (var cmd in disabledCommands)
-                    map[cmd] = null;
-                config.CommandMap = CommandMap.Create(map);
+                config.CommandMap = CommandMap.Create(new HashSet<string>(disabledCommands), false);
+            } else if (enabledCommands != null && enabledCommands.Length != 0)
+            {
+                config.CommandMap = CommandMap.Create(new HashSet<string>(enabledCommands), true);
             }
 
             if(Debugger.IsAttached)

StackExchange.Redis/StackExchange/Redis/CommandMap.cs

@@ -38,7 +38,13 @@ private static readonly CommandMap
             RedisCommand.BGREWRITEAOF, RedisCommand.BGSAVE, RedisCommand.CLIENT, RedisCommand.CLUSTER, RedisCommand.CONFIG, RedisCommand.DBSIZE,
             RedisCommand.DEBUG, RedisCommand.FLUSHALL, RedisCommand.FLUSHDB, RedisCommand.INFO, RedisCommand.LASTSAVE, RedisCommand.MONITOR, RedisCommand.SAVE,
             RedisCommand.SHUTDOWN, RedisCommand.SLAVEOF, RedisCommand.SLOWLOG, RedisCommand.SYNC, RedisCommand.TIME
-        });
+        }), ssdb = Create(new HashSet<string> {
+            // see http://www.ideawu.com/ssdb/docs/redis-to-ssdb.html
+            "ping",
+            "get", "set", "del", "incr", "incrby", "mget", "mset", "keys", "getset", "setnx",
+            "hget", "hset", "hdel", "hincrby", "hkeys", "hvals", "hmget", "hmset", "hlen",
+            "zscore", "zadd", "zrem", "zrange", "zrangebyscore", "zincrby", "zdecrby", "zcard",
+            "llen", "lpush", "rpush", "lpop", "rpop", "lrange", "lindex" }, true);
         private readonly byte[][] map;
 
         internal CommandMap(byte[][] map)
@@ -56,6 +62,13 @@ internal CommandMap(byte[][] map)
         /// <remarks>https://github.com/twitter/twemproxy/blob/master/notes/redis.md</remarks>
         public static CommandMap Twemproxy {  get { return twemproxy; } }
 
+        /// <summary>
+        /// The commands available to <a href="ssdb">http://www.ideawu.com/ssdb/</a>
+        /// </summary>
+        /// <remarks>http://www.ideawu.com/ssdb/docs/redis-to-ssdb.html</remarks>
+        public static CommandMap SSDB { get { return ssdb; } }
+
+
         /// <summary>
         /// Create a new CommandMap, customizing some commands
         /// </summary>