www.gusucode.com > 24Beta 虚拟主机版 1.0.0 Beta源码程序 > 24Beta 虚拟主机版 1.0.0 Beta源码程序/24Beta-1.0.0-vhost/library/framework/logging/CFileLogRoute.php
<?php /** * CFileLogRoute class file. * * @author Qiang Xue <qiang.xue@gmail.com> * @link http://www.yiiframework.com/ * @copyright Copyright © 2008-2009 Yii Software LLC * @license http://www.yiiframework.com/license/ */ /** * CFileLogRoute records log messages in files. * * The log files are stored under {@link setLogPath logPath} and the file name * is specified by {@link setLogFile logFile}. If the size of the log file is * greater than {@link setMaxFileSize maxFileSize} (in kilo-bytes), a rotation * is performed, which renames the current log file by suffixing the file name * with '.1'. All existing log files are moved backwards one place, i.e., '.2' * to '.3', '.1' to '.2'. The property {@link setMaxLogFiles maxLogFiles} * specifies how many files to be kept. * * @author Qiang Xue <qiang.xue@gmail.com> * @version $Id: CFileLogRoute.php 433 2008-12-30 22:59:17Z qiang.xue $ * @package system.logging * @since 1.0 */ class CFileLogRoute extends CLogRoute { /** * @var integer maximum log file size */ private $_maxFileSize=1024; // in KB /** * @var integer number of log files used for rotation */ private $_maxLogFiles=5; /** * @var string directory storing log files */ private $_logPath; /** * @var string log file name */ private $_logFile='application.log'; /** * Initializes the route. * This method is invoked after the route is created by the route manager. */ public function init() { parent::init(); if($this->getLogPath()===null) $this->setLogPath(Yii::app()->getRuntimePath()); } /** * @return string directory storing log files. Defaults to application runtime path. */ public function getLogPath() { return $this->_logPath; } /** * @param string directory for storing log files. * @throws CException if the path is invalid */ public function setLogPath($value) { $this->_logPath=realpath($value); if($this->_logPath===false || !is_dir($this->_logPath) || !is_writable($this->_logPath)) throw new CException(Yii::t('yii','CFileLogRoute.logPath "{path}" does not point to a valid directory. Make sure the directory exists and is writable by the Web server process.', array('{path}'=>$value))); } /** * @return string log file name. Defaults to 'application.log'. */ public function getLogFile() { return $this->_logFile; } /** * @param string log file name */ public function setLogFile($value) { $this->_logFile=$value; } /** * @return integer maximum log file size in kilo-bytes (KB). Defaults to 1024 (1MB). */ public function getMaxFileSize() { return $this->_maxFileSize; } /** * @param integer maximum log file size in kilo-bytes (KB). */ public function setMaxFileSize($value) { if(($this->_maxFileSize=(int)$value)<1) $this->_maxFileSize=1; } /** * @return integer number of files used for rotation. Defaults to 5. */ public function getMaxLogFiles() { return $this->_maxLogFiles; } /** * @param integer number of files used for rotation. */ public function setMaxLogFiles($value) { if(($this->_maxLogFiles=(int)$value)<1) $this->_maxLogFiles=1; } /** * Saves log messages in files. * @param array list of log messages */ protected function processLogs($logs) { $logFile=$this->getLogPath().DIRECTORY_SEPARATOR.$this->getLogFile(); if(@filesize($logFile)>$this->getMaxFileSize()*1024) $this->rotateFiles(); foreach($logs as $log) error_log($this->formatLogMessage($log[0],$log[1],$log[2],$log[3]),3,$logFile); } /** * Rotates log files. */ protected function rotateFiles() { $file=$this->getLogPath().DIRECTORY_SEPARATOR.$this->getLogFile(); $max=$this->getMaxLogFiles(); for($i=$max;$i>0;--$i) { $rotateFile=$file.'.'.$i; if(is_file($rotateFile)) { if($i===$max) unlink($rotateFile); else rename($rotateFile,$file.'.'.($i+1)); } } if(is_file($file)) rename($file,$file.'.1'); } }