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<?php
/*
<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)
{
if($this->_configFile!==null)
{
if(is_file($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);
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);
}
}
public function getConfigFile()
{
return $this->_configFile;
}
public function setConfigFile($value)
{
if(($this->_configFile=Prado::getPathOfNamespace($value,self::LOG_FILE_EXT))===null)
throw new TConfigurationException('logrouter_configfile_invalid',$value);
}
public function collectLogs($param)
{
foreach($this->_routes as $route)
$route->collectLogs();
}
}
abstract class TLogRoute extends TComponent
{
private static $_levelMap=array(
'error'=>TLogger::ERROR,
'debug'=>TLogger::DEBUG,
'info'=>TLogger::INFO,
'notice'=>TLogger::NOTICE,
'warning'=>TLogger::WARNING,
'error'=>TLogger::ERROR,
'alert'=>TLogger::ALERT,
'fatal'=>TLogger::FATAL
);
private $_levels=null;
private $_categories=null;
public function init($config)
{
}
public function getLevels()
{
return $this->_levels;
}
public function setLevels($levels)
{
$this->_levels=null;
$levels=strtolower($levels);
foreach(explode(',',$levels) as $level)
{
$level=trim($level);
if(isset(self::$_levelMap[$level]))
$this->_levels|=self::$_levelMap[$level];
}
$this->_levels=$levels;
}
public function getCategories()
{
return $this->_categories;
}
public function setCategories($categories)
{
$this->_categories=null;
foreach(explode(',',$categories) as $category)
{
if(($category=trim($category))!=='')
$this->_categories[]=$category;
}
}
public function collectLogs()
{
$logs=Prado::getLogger()->getLogs($this->getLevels(),$this->getCategories());
$this->processLogs($logs);
}
protected function processLogs($logs);
}
class TFileLogRoute extends TLogRoute
{
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 getLogPath()
{
return $this->_logPath;
}
public function setLogPath($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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