squash named-script-parameters branch into a single commit

.gitignore

@@ -16,3 +16,4 @@ Mono/
 redis-cli.exe
 Redis Configs/*.dat
 RedisQFork*.dat
+StackExchange.Redis.*.zip
\ No newline at end of file

StackExchange.Redis/StackExchange.Redis.StrongName.csproj

@@ -74,6 +74,7 @@
     <Compile Include="StackExchange\Redis\HashEntry.cs" />
     <Compile Include="StackExchange\Redis\InternalErrorEventArgs.cs" />
     <Compile Include="StackExchange\Redis\MigrateOptions.cs" />
+    <Compile Include="StackExchange\Redis\LuaScript.cs" />
     <Compile Include="StackExchange\Redis\RedisChannel.cs" />
     <Compile Include="StackExchange\Redis\Bitwise.cs" />
     <Compile Include="StackExchange\Redis\ClientFlags.cs" />
@@ -139,6 +140,7 @@
     <Compile Include="StackExchange\Redis\ResultProcessor.cs" />
     <Compile Include="StackExchange\Redis\RedisSubscriber.cs" />
     <Compile Include="StackExchange\Redis\ResultType.cs" />
+    <Compile Include="StackExchange\Redis\ScriptParameterMapper.cs" />
     <Compile Include="StackExchange\Redis\ServerCounters.cs" />
     <Compile Include="StackExchange\Redis\ServerEndPoint.cs" />
     <Compile Include="StackExchange\Redis\ServerSelectionStrategy.cs" />

StackExchange.Redis/StackExchange.Redis.csproj

@@ -68,6 +68,7 @@
     <Compile Include="StackExchange\Redis\HashEntry.cs" />
     <Compile Include="StackExchange\Redis\InternalErrorEventArgs.cs" />
     <Compile Include="StackExchange\Redis\MigrateOptions.cs" />
+    <Compile Include="StackExchange\Redis\LuaScript.cs" />
     <Compile Include="StackExchange\Redis\RedisChannel.cs" />
     <Compile Include="StackExchange\Redis\Bitwise.cs" />
     <Compile Include="StackExchange\Redis\ClientFlags.cs" />
@@ -133,6 +134,7 @@
     <Compile Include="StackExchange\Redis\ResultProcessor.cs" />
     <Compile Include="StackExchange\Redis\RedisSubscriber.cs" />
     <Compile Include="StackExchange\Redis\ResultType.cs" />
+    <Compile Include="StackExchange\Redis\ScriptParameterMapper.cs" />
     <Compile Include="StackExchange\Redis\ServerCounters.cs" />
     <Compile Include="StackExchange\Redis\ServerEndPoint.cs" />
     <Compile Include="StackExchange\Redis\ServerSelectionStrategy.cs" />

StackExchange.Redis/StackExchange/Redis/ConnectionMultiplexer.cs

@@ -51,6 +51,30 @@ public static ConfiguredTaskAwaitable<T> ForAwait<T>(this Task<T> task)
     /// </summary>
     public sealed partial class ConnectionMultiplexer : IDisposable
     {
+        private static TaskFactory _factory = null;
+
+        /// <summary>
+        /// Provides a way of overriding the default Task Factory. If not set, it will use the default Task.Factory.
+        /// Useful when top level code sets it's own factory which may interfere with Redis queries.
+        /// </summary>
+        public static TaskFactory Factory
+        {
+            get
+            {
+                if (_factory != null)
+                {
+                    return _factory;
+                }
+
+                return Task.Factory;
+            }
+            set
+            {
+                _factory = value;
+                
+            }
+        }
+
         /// <summary>
         /// Get summary statistics associates with this server
         /// </summary>
@@ -738,7 +762,7 @@ private static ConnectionMultiplexer ConnectImpl(Func<ConnectionMultiplexer> mul
                 killMe = muxer;
                 // note that task has timeouts internally, so it might take *just over* the regular timeout
                 // wrap into task to force async execution
-                var task = Task.Factory.StartNew(() => { return muxer.ReconfigureAsync(true, false, log, null, "connect").Result; });
+                var task = Factory.StartNew(() => { return muxer.ReconfigureAsync(true, false, log, null, "connect").Result; });
 
                 if (!task.Wait(muxer.SyncConnectTimeout(true)))
                 {
@@ -1472,9 +1496,38 @@ private ServerEndPoint SelectServerByElection(ServerEndPoint[] servers, string e
                     return servers[i];
             }
             LogLocked(log, "...but we couldn't find that");
+            var deDottedEndpoint = DeDotifyHost(endpoint);
+            for (int i = 0; i < servers.Length; i++)
+            {
+                if (string.Equals(DeDotifyHost(Format.ToString(servers[i].EndPoint)), deDottedEndpoint, StringComparison.OrdinalIgnoreCase))
+                {
+                    LogLocked(log, "...but we did find instead: {0}", deDottedEndpoint);
+                    return servers[i];
+                }
+            }
             return null;
         }
 
+        static string DeDotifyHost(string input)
+        {
+            if (string.IsNullOrWhiteSpace(input)) return input; // GIGO
+
+            if (!char.IsLetter(input[0])) return input; // need first char to be alpha for this to work
+
+            int periodPosition = input.IndexOf('.');
+            if (periodPosition <= 0) return input; // no period or starts with a period? nothing useful to split
+
+            int colonPosition = input.IndexOf(':');
+            if (colonPosition > 0)
+            { // has a port specifier
+                return input.Substring(0, periodPosition) + input.Substring(colonPosition);
+            }
+            else
+            {
+                return input.Substring(0, periodPosition);
+            }
+        }
+
         internal void UpdateClusterRange(ClusterConfiguration configuration)
         {
             if (configuration == null) return;
@@ -1852,5 +1905,4 @@ public Task<long> PublishReconfigureAsync(CommandFlags flags = CommandFlags.None
             return GetSubscriber().PublishAsync(channel, RedisLiterals.Wildcard, flags);
         }
     }   
-
 }

StackExchange.Redis/StackExchange/Redis/IDatabase.cs

@@ -452,6 +452,7 @@ public interface IDatabase : IRedis, IDatabaseAsync
         /// <returns>the number of clients that received the message.</returns>
         /// <remarks>http://redis.io/commands/publish</remarks>
         long Publish(RedisChannel channel, RedisValue message, CommandFlags flags = CommandFlags.None);
+        
         /// <summary>
         /// Execute a Lua script against the server
         /// </summary>
@@ -466,6 +467,19 @@ public interface IDatabase : IRedis, IDatabaseAsync
         /// <returns>A dynamic representation of the script's result</returns>
         RedisResult ScriptEvaluate(byte[] hash, RedisKey[] keys = null, RedisValue[] values = null, CommandFlags flags = CommandFlags.None);
 
+        /// <summary>
+        /// Execute a lua script against the server, using previously prepared script.
+        /// Named parameters, if any, are provided by the `parameters` object.
+        /// </summary>
+        RedisResult ScriptEvaluate(LuaScript script, object parameters = null, CommandFlags flags = CommandFlags.None);
+
+        /// <summary>
+        /// Execute a lua script against the server, using previously prepared and loaded script.
+        /// This method sends only the SHA1 hash of the lua script to Redis.
+        /// Named parameters, if any, are provided by the `parameters` object.
+        /// </summary>
+        RedisResult ScriptEvaluate(LoadedLuaScript script, object parameters = null, CommandFlags flags = CommandFlags.None);
+
         /// <summary>
         /// Add the specified member to the set stored at key. Specified members that are already a member of this set are ignored. If key does not exist, a new set is created before adding the specified members.
         /// </summary>

StackExchange.Redis/StackExchange/Redis/IDatabaseAsync.cs

@@ -439,6 +439,19 @@ public interface IDatabaseAsync : IRedisAsync
         /// <returns>A dynamic representation of the script's result</returns>
         Task<RedisResult> ScriptEvaluateAsync(byte[] hash, RedisKey[] keys = null, RedisValue[] values = null, CommandFlags flags = CommandFlags.None);
 
+        /// <summary>
+        /// Execute a lua script against the server, using previously prepared script.
+        /// Named parameters, if any, are provided by the `parameters` object.
+        /// </summary>
+        Task<RedisResult> ScriptEvaluateAsync(LuaScript script, object parameters = null, CommandFlags flags = CommandFlags.None);
+
+        /// <summary>
+        /// Execute a lua script against the server, using previously prepared and loaded script.
+        /// This method sends only the SHA1 hash of the lua script to Redis.
+        /// Named parameters, if any, are provided by the `parameters` object.
+        /// </summary>
+        Task<RedisResult> ScriptEvaluateAsync(LoadedLuaScript script, object parameters = null, CommandFlags flags = CommandFlags.None);
+
         /// <summary>
         /// Add the specified member to the set stored at key. Specified members that are already a member of this set are ignored. If key does not exist, a new set is created before adding the specified members.
         /// </summary>

StackExchange.Redis/StackExchange/Redis/IServer.cs

@@ -314,11 +314,21 @@ public partial interface IServer : IRedis
         /// </summary>
         byte[] ScriptLoad(string script, CommandFlags flags = CommandFlags.None);
 
+        /// <summary>
+        /// Explicitly defines a script on the server
+        /// </summary>
+        LoadedLuaScript ScriptLoad(LuaScript script, CommandFlags flags = CommandFlags.None);
+
         /// <summary>
         /// Explicitly defines a script on the server
         /// </summary>
         Task<byte[]> ScriptLoadAsync(string script, CommandFlags flags = CommandFlags.None);
 
+        /// <summary>
+        /// Explicitly defines a script on the server
+        /// </summary>
+        Task<LoadedLuaScript> ScriptLoadAsync(LuaScript script, CommandFlags flags = CommandFlags.None);
+
         /// <summary>Asks the redis server to shutdown, killing all connections. Please FULLY read the notes on the SHUTDOWN command.</summary>
         /// <remarks>http://redis.io/commands/shutdown</remarks>
         void Shutdown(ShutdownMode shutdownMode = ShutdownMode.Default, CommandFlags flags = CommandFlags.None);

StackExchange.Redis/StackExchange/Redis/KeyspaceIsolation/DatabaseWrapper.cs

@@ -323,6 +323,18 @@ public RedisResult ScriptEvaluate(string script, RedisKey[] keys = null, RedisVa
             return this.Inner.ScriptEvaluate(script, this.ToInner(keys), values, flags);
         }
 
+        public RedisResult ScriptEvaluate(LuaScript script, object parameters = null, CommandFlags flags = CommandFlags.None)
+        {
+            // TODO: The return value could contain prefixed keys. It might make sense to 'unprefix' those?
+            return script.Evaluate(this.Inner, parameters, Prefix, flags);
+        }
+
+        public RedisResult ScriptEvaluate(LoadedLuaScript script, object parameters = null, CommandFlags flags = CommandFlags.None)
+        {
+            // TODO: The return value could contain prefixed keys. It might make sense to 'unprefix' those?
+            return script.Evaluate(this.Inner, parameters, Prefix, flags);
+        }
+
         public long SetAdd(RedisKey key, RedisValue[] values, CommandFlags flags = CommandFlags.None)
         {
             return this.Inner.SetAdd(this.ToInner(key), values, flags);

StackExchange.Redis/StackExchange/Redis/KeyspaceIsolation/WrapperBase.cs

@@ -334,6 +334,16 @@ public Task<RedisResult> ScriptEvaluateAsync(string script, RedisKey[] keys = nu
             return this.Inner.ScriptEvaluateAsync(script, this.ToInner(keys), values, flags);
         }
 
+        public Task<RedisResult> ScriptEvaluateAsync(LuaScript script, object parameters = null, CommandFlags flags = CommandFlags.None)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<RedisResult> ScriptEvaluateAsync(LoadedLuaScript script, object parameters = null, CommandFlags flags = CommandFlags.None)
+        {
+            throw new NotImplementedException();
+        }
+
         public Task<long> SetAddAsync(RedisKey key, RedisValue[] values, CommandFlags flags = CommandFlags.None)
         {
             return this.Inner.SetAddAsync(this.ToInner(key), values, flags);

StackExchange.Redis/StackExchange/Redis/RedisServer.cs

@@ -375,6 +375,16 @@ public Task<byte[]> ScriptLoadAsync(string script, CommandFlags flags = CommandF
             return ExecuteAsync(msg, ResultProcessor.ScriptLoad);
         }
 
+        public LoadedLuaScript ScriptLoad(LuaScript script, CommandFlags flags = CommandFlags.None)
+        {
+            return script.Load(this, flags);
+        }
+
+        public Task<LoadedLuaScript> ScriptLoadAsync(LuaScript script, CommandFlags flags = CommandFlags.None)
+        {
+            return script.LoadAsync(this, flags);
+        }
+
         public void Shutdown(ShutdownMode shutdownMode = ShutdownMode.Default, CommandFlags flags = CommandFlags.None)
         {
             Message msg;
@@ -563,12 +573,35 @@ internal override RedisFeatures GetFeatures(int db, RedisKey key, CommandFlags f
 
         public void SlaveOf(EndPoint endpoint, CommandFlags flags = CommandFlags.None)
         {
-            var msg = CreateSlaveOfMessage(endpoint, flags);
             if (endpoint == server.EndPoint)
             {
                 throw new ArgumentException("Cannot slave to self");
             }
-            ExecuteSync(msg, ResultProcessor.DemandOK);
+            // prepare the actual slaveof message (not sent yet)
+            var slaveofMsg = CreateSlaveOfMessage(endpoint, flags);
+
+            var configuration = this.multiplexer.RawConfig;
+
+
+            // attempt to cease having an opinion on the master; will resume that when replication completes
+            // (note that this may fail; we aren't depending on it)
+            if (!string.IsNullOrWhiteSpace(configuration.TieBreaker)
+                && this.multiplexer.CommandMap.IsAvailable(RedisCommand.DEL))
+            {
+                var del = Message.Create(0, CommandFlags.FireAndForget | CommandFlags.NoRedirect, RedisCommand.DEL, (RedisKey)configuration.TieBreaker);
+                del.SetInternalCall();
+                server.QueueDirectFireAndForget(del, ResultProcessor.Boolean);
+            }
+            ExecuteSync(slaveofMsg, ResultProcessor.DemandOK);
+
+            // attempt to broadcast a reconfigure message to anybody listening to this server
+            var channel = this.multiplexer.ConfigurationChangedChannel;
+            if (channel != null && this.multiplexer.CommandMap.IsAvailable(RedisCommand.PUBLISH))
+            {
+                var pub = Message.Create(-1, CommandFlags.FireAndForget | CommandFlags.NoRedirect, RedisCommand.PUBLISH, (RedisValue)channel, RedisLiterals.Wildcard);
+                pub.SetInternalCall();
+                server.QueueDirectFireAndForget(pub, ResultProcessor.Int64);
+            }
         }
 
         public Task SlaveOfAsync(EndPoint endpoint, CommandFlags flags = CommandFlags.None)

StackExchange.Redis_Net40/StackExchange.Redis_Net40.StrongName.csproj

@@ -113,6 +113,7 @@
     <Compile Include="..\StackExchange.Redis\StackExchange\Redis\MessageCompletable.cs" />
     <Compile Include="..\StackExchange.Redis\StackExchange\Redis\MessageQueue.cs" />
     <Compile Include="..\StackExchange.Redis\StackExchange\Redis\MigrateOptions.cs" />
+    <Compile Include="..\StackExchange.Redis\StackExchange\Redis\LuaScript.cs" />
     <Compile Include="..\StackExchange.Redis\StackExchange\Redis\Order.cs" />
     <Compile Include="..\StackExchange.Redis\StackExchange\Redis\PhysicalBridge.cs" />
     <Compile Include="..\StackExchange.Redis\StackExchange\Redis\PhysicalConnection.cs" />
@@ -136,6 +137,7 @@
     <Compile Include="..\StackExchange.Redis\StackExchange\Redis\ResultBox.cs" />
     <Compile Include="..\StackExchange.Redis\StackExchange\Redis\ResultProcessor.cs" />
     <Compile Include="..\StackExchange.Redis\StackExchange\Redis\ResultType.cs" />
+    <Compile Include="..\StackExchange.Redis\StackExchange\Redis\ScriptParameterMapper.cs" />
     <Compile Include="..\StackExchange.Redis\StackExchange\Redis\SaveType.cs" />
     <Compile Include="..\StackExchange.Redis\StackExchange\Redis\ServerCounters.cs" />
     <Compile Include="..\StackExchange.Redis\StackExchange\Redis\ServerEndPoint.cs" />

StackExchange.Redis_Net40/StackExchange.Redis_Net40.csproj

@@ -107,6 +107,7 @@
     <Compile Include="..\StackExchange.Redis\StackExchange\Redis\MessageCompletable.cs" />
     <Compile Include="..\StackExchange.Redis\StackExchange\Redis\MessageQueue.cs" />
     <Compile Include="..\StackExchange.Redis\StackExchange\Redis\MigrateOptions.cs" />
+    <Compile Include="..\StackExchange.Redis\StackExchange\Redis\LuaScript.cs" />
     <Compile Include="..\StackExchange.Redis\StackExchange\Redis\Order.cs" />
     <Compile Include="..\StackExchange.Redis\StackExchange\Redis\PhysicalBridge.cs" />
     <Compile Include="..\StackExchange.Redis\StackExchange\Redis\PhysicalConnection.cs" />
@@ -130,6 +131,7 @@
     <Compile Include="..\StackExchange.Redis\StackExchange\Redis\ResultBox.cs" />
     <Compile Include="..\StackExchange.Redis\StackExchange\Redis\ResultProcessor.cs" />
     <Compile Include="..\StackExchange.Redis\StackExchange\Redis\ResultType.cs" />
+    <Compile Include="..\StackExchange.Redis\StackExchange\Redis\ScriptParameterMapper.cs" />
     <Compile Include="..\StackExchange.Redis\StackExchange\Redis\SaveType.cs" />
     <Compile Include="..\StackExchange.Redis\StackExchange\Redis\ServerCounters.cs" />
     <Compile Include="..\StackExchange.Redis\StackExchange\Redis\ServerEndPoint.cs" />