PocketMine-MP/src/network/BandwidthStatsTracker.php
Dylan K. Taylor 14577daae3
fixed build
2021-08-20 23:52:34 +01:00

76 lines
2.1 KiB
PHP

<?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/
*
*
*/
declare(strict_types=1);
namespace pocketmine\network;
use function array_fill;
use function array_sum;
use function count;
final class BandwidthStatsTracker{
/** @var int[] */
private $history;
/** @var int */
private $nextHistoryIndex = 0;
/** @var int */
private $bytesSinceLastRotation = 0;
/** @var int */
private $totalBytes = 0;
/** @phpstan-param positive-int $historySize */
public function __construct(int $historySize){
$this->history = array_fill(0, $historySize, 0);
}
public function add(int $bytes) : void{
$this->totalBytes += $bytes;
$this->bytesSinceLastRotation += $bytes;
}
public function getTotalBytes() : int{ return $this->totalBytes; }
/**
* Adds the bytes tracked since the last rotation to the history array, overwriting an old entry.
* This should be called on a regular interval that you want to collect average measurements over
* (e.g. if you want bytes per second, call this every second).
*/
public function rotateHistory() : void{
$this->history[$this->nextHistoryIndex] = $this->bytesSinceLastRotation;
$this->bytesSinceLastRotation = 0;
$this->nextHistoryIndex = ($this->nextHistoryIndex + 1) % count($this->history);
}
/**
* Returns the average of all the tracked history values.
*/
public function getAverageBytes() : float{
return array_sum($this->history) / count($this->history);
}
public function resetHistory() : void{
$this->history = array_fill(0, count($this->history), 0);
}
}