118 Zeilen
3.1 KiB
PHP
118 Zeilen
3.1 KiB
PHP
<?php
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namespace ConLite\Log;
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use ConLite\Exceptions\Exception;
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use ConLite\Exceptions\FileNotFoundException;
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use DirectoryIterator;
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class LogWriterFile extends LogWriter
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{
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/**
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* @var resource
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*/
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protected $handle = NULL;
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/**
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* @var int
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*/
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protected int $maxLogFileSize = 1024;
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/**
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* @var int
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*/
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protected int $maxRotationFiles = 10;
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/**
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* @throws FileNotFoundException
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* @throws Exception
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*/
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public function __construct(array $options = []) {
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parent::__construct($options);
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$this->createHandle();
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}
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/**
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* @param string $message
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* @param int $priority
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* @return bool
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*/
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public function write($message, $priority): bool
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{
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$this->rotateLog();
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return fwrite($this->handle, $message) != false;
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}
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public function __destruct()
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{
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$this->closeHandle();
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}
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/**
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* @throws Exception
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* @throws FileNotFoundException
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*/
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protected function createHandle(): void
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{
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$destination = $this->getOption('destination');
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if ($destination == '') {
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throw new Exception('No destination was specified.');
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}
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if (($this->handle = fopen($destination, 'a')) === false) {
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throw new FileNotFoundException('Destination handle could not be created.');
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}
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}
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protected function closeHandle(): void
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{
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fclose($this->handle);
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}
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protected function rotateLog()
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{
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$logfile = $this->getOption('destination');
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if(!file_exists($logfile)) {
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cWarning(__FILE__, __LINE__, 'Logfile ' . $logfile . ' not found.');
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return false;
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} elseif (!is_readable($logfile)) {
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cWarning(__FILE__, __LINE__, 'Logfile ' . $logfile . ' not readable.');
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return false;
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}
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if (filesize($logfile) >= $this->maxLogFileSize * 1024) {
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$pathInfo = pathinfo($logfile);
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$baseDirectory = $pathInfo['dirname'];
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$baseName = $pathInfo['basename'];
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$numMap = [];
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foreach (new DirectoryIterator($baseDirectory) as $fileInfo) {
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if ($fileInfo->isDot() || !$fileInfo->isFile()) {
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continue;
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}
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if (preg_match('/^' . $baseName . '\.?([0-9]*)$/', $fileInfo->getFilename(), $matches)) {
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$num = $matches[1];
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$file2move = $fileInfo->getFilename();
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if ($num == '') {
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$num = 0;
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}
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$numMap[$num] = $file2move;
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}
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}
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krsort($numMap);
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foreach ($numMap as $num => $file2move) {
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$targetN = $num + 1;
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if($targetN > $this->maxRotationFiles) {
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unlink($baseDirectory . DIRECTORY_SEPARATOR . $file2move);
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continue;
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}
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rename($baseDirectory . DIRECTORY_SEPARATOR . $file2move, $baseDirectory . DIRECTORY_SEPARATOR .$baseName . '.' . $targetN);
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}
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return true;
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}
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return false;
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}
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} |