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<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\log;
use Yii;
use yii\helpers\VarDumper;
/**
* SyslogTarget writes log to syslog.
*
* @author miramir <gmiramir@gmail.com>
* @since 2.0
*/
class SyslogTarget extends Target
{
/**
* @var string syslog identity
*/
public $identity;
/**
* @var int syslog facility.
*/
public $facility = LOG_USER;
/**
* @var int openlog options. This is a bitfield passed as the `$option` parameter to [openlog()](http://php.net/openlog).
* Defaults to `null` which means to use the default options `LOG_ODELAY | LOG_PID`.
* @see http://php.net/openlog for available options.
* @since 2.0.11
*/
public $options;
/**
* @var array syslog levels
*/
private $_syslogLevels = [
Logger::LEVEL_TRACE => LOG_DEBUG,
Logger::LEVEL_PROFILE_BEGIN => LOG_DEBUG,
Logger::LEVEL_PROFILE_END => LOG_DEBUG,
Logger::LEVEL_PROFILE => LOG_DEBUG,
Logger::LEVEL_INFO => LOG_INFO,
Logger::LEVEL_WARNING => LOG_WARNING,
Logger::LEVEL_ERROR => LOG_ERR,
];
/**
* @inheritdoc
*/
public function init()
{
parent::init();
if ($this->options === null) {
$this->options = LOG_ODELAY | LOG_PID;
}
}
/**
* Writes log messages to syslog
*/
public function export()
{
openlog($this->identity, $this->options, $this->facility);
foreach ($this->messages as $message) {
syslog($this->_syslogLevels[$message[1]], $this->formatMessage($message));
}
closelog();
}
/**
* @inheritdoc
*/
public function formatMessage($message)
{
list($text, $level, $category, $timestamp) = $message;
$level = Logger::getLevelName($level);
if (!is_string($text)) {
// exceptions may not be serializable if in the call stack somewhere is a Closure
if ($text instanceof \Throwable || $text instanceof \Exception) {
$text = (string) $text;
} else {
$text = VarDumper::export($text);
}
}
$prefix = $this->getMessagePrefix($message);
return "{$prefix}[$level][$category] $text";
}
}
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