Upgrade redis client to 4.x

redisclient.js

@@ -10,12 +10,6 @@ var Client = Redis.createClient({
 	, "url": `redis://${SessConf.config.host}:${SessConf.config.port}/${SessConf.config.database}`
 });
 
-Client.addListener( "error", ( e ) => { throw e; } );
-
-Client.select( SessConf.config.database, function( err, message )
-{
-	if( err ) throw err; 
-	Dragonfly.Info( "[Session] Database connected. Ready." );
-});
+Client.connect();
 
 module.exports = Client;

session.js

@@ -44,9 +44,13 @@ class Session extends EventEmitter
 		{
 			if( err ) throw err;
 
-			if( _self.exists = !!obj )
+			if( _self.exists = !!obj.length )
 			{
-				_self.__sess = obj;
+				_self.__sess = {};
+				for( var i = 0, l = obj.length; i < l; i += 2 )
+				{
+					_self.__sess[obj[i]] = obj[ i + 1 ];
+				}
 			}
 			// Auto reset the session id if no match
 			else if( !noIdReset )
@@ -91,10 +95,17 @@ class Session extends EventEmitter
 		Client.DEL( this.id, handler || this.__emitOk );
 	}
 
-	set( name, val )
+	set( dict, handler )
 	{
-		this.__sess[ name ] = val;
-		Client.HSET( this.id, name, val, this.__emitOk );
+		var chain = Client.multi();
+		for( let k in dict )
+		{
+			var v = dict[k];
+			this.__sess[ k ] = v;
+			chain = chain.HSET( this.id, k, v );
+		}
+
+		chain.exec( handler || this.__emitOk );
 	}
 
 	get( name )
@@ -140,11 +151,6 @@ class Session extends EventEmitter
 			.EXPIRE( this.id, ttl, this.__emitOk )
 			.exec( this.__emitOk );
 	}
-
-	get busy()
-	{
-		return 0 < ( Client.command_queue.length + Client.offline_queue.length );
-	}
 }
 
 Session.SessionEventArgs = SessionEventArgs;