From 4a2c7c4e9ac75c1420e95624fb9ee34ab178c52f Mon Sep 17 00:00:00 2001
From: xue <>
Date: Sun, 8 Jan 2006 07:26:00 +0000
Subject:

---
 framework/Log/TLogRouter.php | 143 ++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 129 insertions(+), 14 deletions(-)

(limited to 'framework/Log/TLogRouter.php')

diff --git a/framework/Log/TLogRouter.php b/framework/Log/TLogRouter.php
index 9060e305..5a3a59dc 100644
--- a/framework/Log/TLogRouter.php
+++ b/framework/Log/TLogRouter.php
@@ -1,25 +1,47 @@
 <?php
 /*
-<module id="log" class="System.Log.LogRouter" ConfigFile="xxx">
-	<route class="TFileLogRoute" SizeLimit="111" Levels="xxx" Categories="xxx" />
+<module id="log" class="System.Log.LogRouter">
+	<route class="TFileLogRoute" LogPath="xxx.yyy.zzz" MaxLogFiles="5" MaxFileSize="1024" Categories="System.Web" Levels="Error" />
 </module>
 */
 class TLogRouter extends TModule
 {
 	const CONFIG_FILE_EXT='.xml';
 	private $_routes=array();
+	private $_configFile=null;
 
 	public function init($config)
 	{
-		foreach($config->getElementsByName('route') as $routeConfig)
+		if($this->_configFile!==null)
 		{
-			$class=$routeConfig->removeAttribute('class');
+ 			if(is_file($this->_configFile))
+ 			{
+				$dom=new TXmlDocument;
+				$dom->loadFromFile($this->_configFile);
+				$this->loadConfig($dom);
+			}
+			else
+				throw new TConfigurationException('logrouter_configfile_invalid',$this->_configFile);
+		}
+		$this->loadConfig($xml);
+		$this->getApplication()->attachEventHandler('EndRequest',array($this,'collectLogs'));
+	}
+
+	private function loadConfig($xml)
+	{
+		foreach($xml->getElementsByTagName('route') as $routeConfig)
+		{
+			$properties=$routeConfig->getAttributes();
+			if(($class=$properties->remove('class'))===null)
+				throw new TConfigurationException('logrouter_routeclass_required');
 			$route=Prado::createComponent($class);
-			foreach($routeConfig->getAttributes() as $name=>$value)
+			if(!($route instanceof TLogRoute))
+				throw new TConfigurationException('logrouter_routetype_required');
+			foreach($properties as $name=>$value)
 				$route->setSubproperty($name,$value);
+			$this->_routes[]=$route;
+			$route->init($routeConfig);
 		}
-
-		$this->getApplication()->attachEventHandler('EndRequest',array($this,'collectLogs'));
 	}
 
 	public function getConfigFile()
@@ -56,6 +78,10 @@ abstract class TLogRoute extends TComponent
 	private $_levels=null;
 	private $_categories=null;
 
+	public function init($config)
+	{
+	}
+
 	public function getLevels()
 	{
 		return $this->_levels;
@@ -100,22 +126,111 @@ abstract class TLogRoute extends TComponent
 
 class TFileLogRoute extends TLogRoute
 {
-	const LOG_FILE_EXT='.log';
-	private $_file;
+	private $_maxFileSize=1024; // in KB
+	private $_maxLogFiles=5;
+	private $_logPath=null;
+	private $_fileName='prado.log';
+	private $_levelMap=array(
+		TLogger::ERROR=>'Error',
+		TLogger::DEBUG=>'Debug',
+		TLogger::INFO=>'Info',
+		TLogger::NOTICE=>'Notice',
+		TLogger::WARNING=>'Warning',
+		TLogger::ERROR=>'Error',
+		TLogger::ALERT=>'Alert',
+		TLogger::FATAL=>'Fatal'
+	);
+
+	public function init()
+	{
+		if($this->_logPath===null)
+			throw new TConfigurationException('filelogroute_logfile_required');
+	}
 
-	public function getLogFile()
+	public function getLogPath()
 	{
-		return $this->_file;
+		return $this->_logPath;
 	}
 
-	public function setLogFile($value)
+	public function setLogPath($value)
 	{
-		if(($this->_file=Prado::getPathOfNamespace($value,self::LOG_FILE_EXT))===null)
-			throw new TConfigurationException('filelogroute_logfile_invalid',$value);
+		if(($this->_logPath=Prado::getPathOfNamespace($value))===null)
+			throw new TConfigurationException('filelogroute_logpath_invalid',$value);
+	}
+
+	public function getFileName()
+	{
+		return $this->_fileName;
+	}
+
+	public function setFileName($value)
+	{
+		$this->_fileName=$value;
+	}
+
+	public function getMaxFileSize()
+	{
+		return $this->_maxFileSize;
+	}
+
+	public function setMaxFileSize($value)
+	{
+		$this->_maxFileSize=TPropertyValue::ensureInteger($value);
+		if($this->_maxFileSize<0)
+			throw new TInvalidDataValueException('filelogroute_maxfilesize_invalid');
+	}
+
+	public function getMaxLogFiles()
+	{
+		return $this->_maxLogFiles;
+	}
+
+	public function setMaxLogFiles($value)
+	{
+		$this->_maxLogFiles=TPropertyValue::ensureInteger($value);
+		if($this->_maxLogFiles<1)
+			throw new TInvalidDataValueException('filelogroute_maxlogfiles_invalid');
 	}
 
 	protected function processLogs($logs)
 	{
+		$str='';
+		foreach($logs as $log)
+			$str.=$this->formatLogMessage($log[0],$log[1],$log[2],$log[3]);
+		$logFile=$this->_logPath.'/'.$this->_fileName;
+		if(@filesize($logFile)>$this->_maxFileSize*1024)
+			$this->rotateFiles();
+		$fw=fopen($logFile,'a');
+		fwrite($fw,$str);
+		fclose($fw);
+	}
+
+	protected function formatLogMessage($message,$level,$category,$time)
+	{
+		return @date('M d H:i:s',$time).' ['.$this->getLevelName($level).'] ['.$category.'] '.$message."\n";
+	}
+
+	protected function getLevelName($level)
+	{
+		return isset(self::$_levelMap[$level])?self::$_levelMap[$level]:'Unknown';
+	}
+
+	private function rotateFiles()
+	{
+		$file=$this->_logPath.'/'.$this->_fileName;
+		for($i=$this->_maxLogFiles;$i>0;--$i)
+		{
+			$rotateFile=$file.'.'.$i;
+			if(is_file($rotateFile))
+			{
+				if($i===$this->_maxLogFiles)
+					unlink($rotateFile);
+				else
+					rename($rotateFile,$file.'.'.($i+1));
+			}
+		}
+		if(is_file($file))
+			rename($file,$file.'.1');
 	}
 }
 
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