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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Log
* @subpackage Writer
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Syslog.php 16971 2009-07-22 18:05:45Z mikaelkael $
*/
/** Zend_Log_Writer_Abstract */
require_once 'Zend/Log/Writer/Abstract.php';
/**
* Writes log messages to syslog
*
* @category Zend
* @package Zend_Log
* @subpackage Writer
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Log_Writer_Syslog extends Zend_Log_Writer_Abstract
{
/**
* Maps Zend_Log priorities to PHP's syslog priorities
* @var array
*/
protected $_priorities = array(
Zend_Log::EMERG => LOG_EMERG,
Zend_Log::ALERT => LOG_ALERT,
Zend_Log::CRIT => LOG_CRIT,
Zend_Log::ERR => LOG_ERR,
Zend_Log::WARN => LOG_WARNING,
Zend_Log::NOTICE => LOG_NOTICE,
Zend_Log::INFO => LOG_INFO,
Zend_Log::DEBUG => LOG_DEBUG,
);
/**
* The default log priority - for unmapped custom priorities
* @var string
*/
protected $_defaultPriority = LOG_NOTICE;
/**
* Last application name set by a syslog-writer instance
* @var string
*/
protected static $_lastApplication;
/**
* Last facility name set by a syslog-writer instance
* @var string
*/
protected static $_lastFacility;
/**
* Application name used by this syslog-writer instance
* @var string
*/
protected $_application = 'Zend_Log';
/**
* Facility used by this syslog-writer instance
* @var string
*/
protected $_facility = LOG_USER;
/**
* Class constructor
*
* @param array $options Array of options; may include "application" and "facility" keys
* @return void
*/
public function __construct(array $params = array())
{
if (isset($params['application'])) {
$this->_application = $params['application'];
}
if (isset($params['facility'])) {
$this->_facility = $params['facility'];
}
$this->_initializeSyslog();
}
/**
* Initialize syslog / set application name and facility
*
* @param string $application Application name
* @param string $facility Syslog facility
* @return void
*/
protected function _initializeSyslog()
{
self::$_lastApplication = $this->_application;
self::$_lastFacility = $this->_facility;
openlog($this->_application, LOG_PID, $this->_facility);
}
/**
* Set syslog facility
*
* @param string $facility Syslog facility
* @return void
*/
public function setFacility($facility)
{
if ($this->_facility === $facility) {
return;
}
$this->_facility = $facility;
$this->_initializeSyslog();
}
/**
* Set application name
*
* @param string $application Application name
* @return void
*/
public function setApplicationName($application)
{
if ($this->_application === $application) {
return;
}
$this->_application = $application;
$this->_initializeSyslog();
}
/**
* Close syslog.
*
* @return void
*/
public function shutdown()
{
closelog();
}
/**
* Write a message to syslog.
*
* @param array $event event data
* @return void
*/
protected function _write($event)
{
if (array_key_exists($event['priority'], $this->_priorities)) {
$priority = $this->_priorities[$event['priority']];
} else {
$priority = $this->_defaultPriority;
}
if ($this->_application !== self::$_lastApplication
|| $this->_facility !== self::$_lastFacility)
{
$this->_initializeSyslog();
}
syslog($priority, $event['message']);
}
}
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