109 lines
3.0 KiB
PHP
109 lines
3.0 KiB
PHP
<?php
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/*
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* This file is part of the Monolog package.
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*
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* (c) Jordi Boggiano <j.boggiano@seld.be>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Monolog\Handler;
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use Monolog\Logger;
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/**
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* Stores logs to files that are rotated every day and a limited number of files are kept.
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*
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* This rotation is only intended to be used as a workaround. Using logrotate to
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* handle the rotation is strongly encouraged when you can use it.
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*
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* @author Christophe Coevoet <stof@notk.org>
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*/
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class RotatingFileHandler extends StreamHandler
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{
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protected $filename;
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protected $maxFiles;
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protected $mustRotate;
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/**
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* @param string $filename
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* @param integer $maxFiles The maximal amount of files to keep (0 means unlimited)
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* @param integer $level The minimum logging level at which this handler will be triggered
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* @param Boolean $bubble Whether the messages that are handled can bubble up the stack or not
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*/
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public function __construct($filename, $maxFiles = 0, $level = Logger::DEBUG, $bubble = true)
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{
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$this->filename = $filename;
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$this->maxFiles = (int) $maxFiles;
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$fileInfo = pathinfo($this->filename);
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$timedFilename = $fileInfo['dirname'].'/'.$fileInfo['filename'].'-'.date('Y-m-d');
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if (!empty($fileInfo['extension'])) {
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$timedFilename .= '.'.$fileInfo['extension'];
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}
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// disable rotation upfront if files are unlimited
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if (0 === $this->maxFiles) {
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$this->mustRotate = false;
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}
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parent::__construct($timedFilename, $level, $bubble);
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}
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/**
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* {@inheritdoc}
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*/
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public function close()
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{
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parent::close();
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if (true === $this->mustRotate) {
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$this->rotate();
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}
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}
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/**
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* {@inheritdoc}
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*/
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protected function write(array $record)
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{
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// on the first record written, if the log is new, we should rotate (once per day)
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if (null === $this->mustRotate) {
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$this->mustRotate = !file_exists($this->url);
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}
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parent::write($record);
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}
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/**
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* Rotates the files.
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*/
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protected function rotate()
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{
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$fileInfo = pathinfo($this->filename);
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$glob = $fileInfo['dirname'].'/'.$fileInfo['filename'].'-*';
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if (!empty($fileInfo['extension'])) {
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$glob .= '.'.$fileInfo['extension'];
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}
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$iterator = new \GlobIterator($glob);
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$count = $iterator->count();
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if ($this->maxFiles >= $count) {
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// no files to remove
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return;
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}
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// Sorting the files by name to remove the older ones
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$array = iterator_to_array($iterator);
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usort($array, function($a, $b) {
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return strcmp($b->getFilename(), $a->getFilename());
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});
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foreach (array_slice($array, $this->maxFiles) as $file) {
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if ($file->isWritable()) {
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unlink($file->getRealPath());
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}
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}
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}
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} |