Added MemoryManager, new memory properties, improved performance, updated RakLib, fixed misc. bugs

src/pocketmine/event/Timings.php

@@ -33,6 +33,8 @@ abstract class Timings{
 	/** @var TimingsHandler */
 	public static $serverTickTimer;
 	/** @var TimingsHandler */
+	public static $garbageCollectorTimer;
+	/** @var TimingsHandler */
 	public static $playerListTimer;
 	/** @var TimingsHandler */
 	public static $connectionTimer;
@@ -96,6 +98,7 @@ abstract class Timings{
 		}
 
 		self::$serverTickTimer = new TimingsHandler("** Full Server Tick");
+		self::$garbageCollectorTimer = new TimingsHandler("Garbage Collector");
 		self::$playerListTimer = new TimingsHandler("Player List");
 		self::$connectionTimer = new TimingsHandler("Connection Handler");
 		self::$tickablesTimer = new TimingsHandler("Tickables");

src/pocketmine/event/server/LowMemoryEvent.php

@@ -0,0 +1,79 @@
+<?php
+
+/*
+ *
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link   http://www.pocketmine.net/
+ *
+ *
+ */
+
+namespace pocketmine\event\server;
+use pocketmine\utils\Utils;
+
+
+/**
+ * Called when the server is in a low-memory state as defined by the properties
+ * Plugins should free caches or other non-essential data.
+ */
+class LowMemoryEvent extends ServerEvent{
+	public static $handlerList = null;
+
+	private $memory;
+	private $memoryLimit;
+	private $triggerCount;
+
+	public function __construct($memory, $memoryLimit, $triggerCount = 0){
+		$this->memory = $memory;
+		$this->memoryLimit = $memoryLimit;
+		$this->triggerCount = (int) $triggerCount;
+	}
+
+	/**
+	 * Returns the memory usage at the time of the event call (in bytes)
+	 *
+	 * @return int
+	 */
+	public function getMemory(){
+		return $this->memory;
+	}
+
+	/**
+	 * Returns the memory limit defined (in bytes)
+	 *
+	 * @return int
+	 */
+	public function getMemoryLimit(){
+		return $this->memory;
+	}
+
+	/**
+	 * Returns the times this event has been called in the current low-memory state
+	 *
+	 * @return int
+	 */
+	public function getTriggerCount(){
+		return $this->triggerCount;
+	}
+
+	/**
+	 * Amount of memory already freed
+	 *
+	 * @return int
+	 */
+	public function getMemoryFreed(){
+		return $this->getMemory() - Utils::getMemoryUsage();
+	}
+
+}