mirror of
https://github.com/pmmp/PocketMine-MP.git
synced 2025-05-13 09:19:42 +00:00
114 lines
2.9 KiB
PHP
114 lines
2.9 KiB
PHP
<?php
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/*
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*
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* ____ _ _ __ __ _ __ __ ____
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* | _ \ ___ ___| | _____| |_| \/ (_)_ __ ___ | \/ | _ \
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* | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
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* | __/ (_) | (__| < __/ |_| | | | | | | | __/_____| | | | __/
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* |_| \___/ \___|_|\_\___|\__|_| |_|_|_| |_|\___| |_| |_|_|
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* @author PocketMine Team
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*
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*
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*/
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namespace pocketmine\scheduler;
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use pocketmine\Server;
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class AsyncPool{
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/** @var Server */
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private $server;
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protected $size;
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/** @var AsyncTask[] */
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private $tasks = [];
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/** @var int[] */
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private $taskWorkers = [];
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/** @var AsyncWorker[] */
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private $workers = [];
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/** @var int[] */
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private $workerUsage = [];
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public function __construct(Server $server, $size){
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$this->server = $server;
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$this->size = (int) $size;
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for($i = 0; $i < $this->size; ++$i){
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$this->workerUsage[$i] = 0;
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$this->workers[$i] = new AsyncWorker($server->getLoader());
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$this->workers[$i]->start();
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}
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}
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public function submitTask(AsyncTask $task){
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if(isset($this->tasks[$task->getTaskId()]) or $task->isGarbage()){
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return;
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}
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$this->tasks[$task->getTaskId()] = $task;
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$selectedWorker = mt_rand(0, $this->size - 1);
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$selectedTasks = $this->workerUsage[$selectedWorker];
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for($i = 0; $i < $this->size; ++$i){
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if($this->workerUsage[$i] < $selectedTasks){
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$selectedWorker = $i;
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$selectedTasks = $this->workerUsage[$i];
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}
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}
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$this->workers[$selectedWorker]->stack($task);
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$this->workerUsage[$selectedWorker]++;
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$this->taskWorkers[$task->getTaskId()] = $selectedWorker;
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}
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private function removeTask(AsyncTask $task){
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if(isset($this->taskWorkers[$task->getTaskId()])){
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$this->workers[$w = $this->taskWorkers[$task->getTaskId()]]->unstack($task);
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$this->workerUsage[$w]--;
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}
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unset($this->tasks[$task->getTaskId()]);
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unset($this->taskWorkers[$task->getTaskId()]);
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}
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public function removeTasks(){
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foreach($this->tasks as $task){
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$this->removeTask($task);
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}
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for($i = 0; $i < $this->size; ++$i){
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$this->workerUsage[$i] = 0;
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}
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$this->taskWorkers = [];
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$this->tasks = [];
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}
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public function collectTasks(){
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foreach($this->tasks as $task){
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if($task->isGarbage()){
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$task->onCompletion($this->server);
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$this->removeTask($task);
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}elseif($task->isTerminated()){
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$info = $task->getTerminationInfo();
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$this->removeTask($task);
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$this->server->getLogger()->critical("Could not execute asynchronous task " . (new \ReflectionClass($task))->getShortName() . ": " . $info["message"]);
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$this->server->getLogger()->critical("On ".$info["scope"].", line ".$info["line"] .", ".$info["function"]."()");
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}
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}
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}
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}
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