Added Asynchronous tasks, usage sending

src/pocketmine/scheduler/AsyncTask.php

@@ -0,0 +1,91 @@
+<?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
+
+ *
+ *
+*/
+
+namespace pocketmine\scheduler;
+
+/**
+ * Class used to run async tasks in other threads.
+ *
+ * WARNING: Do not call PocketMine-MP API methods from other Threads!!
+ */
+abstract class AsyncTask extends \Threaded{
+
+	private $complete;
+	private $finished;
+	private $result;
+
+	public function run(){
+		$this->synchronized(function(){
+			$this->result = null;
+			$this->onRun(\Thread::getCurrentThread());
+			$this->finished = true;
+			$this->complete = $this->result === null ? true : false;
+		});
+	}
+
+	/**
+	 * @return bool
+	 */
+	public function isCompleted(){
+		return $this->complete === true;
+	}
+
+	/**
+	 * @return mixed
+	 */
+	public function getResult(){
+		return $this->synchronized(function(){
+			$this->finished = true;
+			return @unserialize($this->result);
+		});
+	}
+
+	/**
+	 * @return bool
+	 */
+	public function hasResult(){
+		return $this->result !== null;
+	}
+
+	/**
+	 * @param mixed $result
+	 */
+	public function setResult($result){
+		$this->result = @serialize($result);
+	}
+
+	/**
+	 * @return bool
+	 */
+	public function isFinished(){
+		return $this->finished === true;
+	}
+
+	/**
+	 * Actions to execute when run
+	 *
+	 * @param \Thread $thread
+	 *
+	 * @return void
+	 */
+	public abstract function onRun(\Thread $thread);
+
+}

src/pocketmine/scheduler/SendUsageTask.php

@@ -0,0 +1,40 @@
+<?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
+
+ *
+ *
+*/
+
+namespace pocketmine\scheduler;
+
+use pocketmine\utils\Utils;
+
+class SendUsageTask extends AsyncTask{
+
+	public $endpoint;
+	public $data;
+
+	public function __construct($endpoint, array $data){
+		$this->endpoint = $endpoint;
+		$this->data = serialize($data);
+	}
+
+	public function onRun(\Thread $thread){
+		Utils::postURL($this->endpoint, unserialize($this->data));
+	}
+
+}

src/pocketmine/scheduler/ServerScheduler.php

@@ -28,7 +28,7 @@ use pocketmine\plugin\Plugin;
 use pocketmine\utils\ReversePriorityQueue;
 
 class ServerScheduler{
-
+	protected static $WORKERS = 3;
 	/**
 	 * @var ReversePriorityQueue<Task>
 	 */
@@ -39,6 +39,11 @@ class ServerScheduler{
 	 */
 	protected $tasks = array();
 
+	/** @var \Pool */
+	protected $asyncPool;
+
+	protected $asyncTasks = 0;
+
 	/** @var int */
 	private $ids = 1;
 
@@ -47,6 +52,7 @@ class ServerScheduler{
 
 	public function __construct(){
 		$this->queue = new ReversePriorityQueue();
+		$this->asyncPool = new \Pool(self::$WORKERS, "Worker");
 	}
 
 	/**
@@ -58,6 +64,19 @@ class ServerScheduler{
 		return $this->addTask($task, -1, -1);
 	}
 
+	/**
+	 * Submits a asynchronous task to the Pool
+	 * If the AsyncTask sets a result, you have to get it so it can be deleted
+	 *
+	 * @param AsyncTask $task
+	 *
+	 * @return void
+	 */
+	public function scheduleAsyncTask(AsyncTask $task){
+		$this->asyncPool->submit($task);
+		++$this->asyncTasks;
+	}
+
 	/**
 	 * @param Task $task
 	 * @param int  $delay
@@ -116,6 +135,8 @@ class ServerScheduler{
 			$task->cancel();
 		}
 		$this->tasks = array();
+		$this->asyncPool->shutdown();
+		$this->asyncTasks = 0;
 	}
 
 	/**
@@ -182,6 +203,16 @@ class ServerScheduler{
 				unset($this->tasks[$task->getTaskId()]);
 			}
 		}
+
+		if($this->asyncTasks > 0){ //Garbage collector
+			$this->asyncPool->collect(function(AsyncTask $task){
+				if($task->isCompleted() or ($task->isFinished() and !$task->hasResult())){
+					--$this->asyncTasks;
+					return true;
+				}
+				return false;
+			});
+		}
 	}
 
 	private function isReady($currentTicks){