/usr/share/php/Horde/Log/Handler/Syslog.php is in php-horde-log 2.2.0-2.
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/**
* Horde Log package
*
* @author Mike Naberezny <mike@maintainable.com>
* @author Chuck Hagenbuch <chuck@horde.org>
* @category Horde
* @license http://www.horde.org/licenses/bsd BSD
* @package Log
* @subpackage Handlers
*/
/**
* @author Mike Naberezny <mike@maintainable.com>
* @author Chuck Hagenbuch <chuck@horde.org>
* @category Horde
* @license http://www.horde.org/licenses/bsd BSD
* @package Log
* @subpackage Handlers
*/
class Horde_Log_Handler_Syslog extends Horde_Log_Handler_Base
{
/**
* Options to be set by setOption().
* Sets openlog and syslog options.
*
* @var array
*/
protected $_options = array(
'defaultPriority' => LOG_ERR,
'facility' => LOG_USER,
'ident' => false,
'openlogOptions' => false
);
/**
* Last ident set by a syslog-handler instance.
*
* @var string
*/
protected $_lastIdent;
/**
* Last facility name set by a syslog-handler instance.
*
* @var string
*/
protected $_lastFacility;
/**
* Map of log levels to syslog priorities.
*
* @var array
*/
protected $_priorities = array(
Horde_Log::EMERG => LOG_EMERG,
Horde_Log::ALERT => LOG_ALERT,
Horde_Log::CRIT => LOG_CRIT,
Horde_Log::ERR => LOG_ERR,
Horde_Log::WARN => LOG_WARNING,
Horde_Log::NOTICE => LOG_NOTICE,
Horde_Log::INFO => LOG_INFO,
Horde_Log::DEBUG => LOG_DEBUG,
);
/**
* Write a message to the log.
*
* @param array $event Log event.
*
* @return boolean True.
* @throws Horde_Log_Exception
*/
public function write($event)
{
if (($this->_options['ident'] !== $this->_lastIdent) ||
($this->_options['facility'] !== $this->_lastFacility)) {
$this->_initializeSyslog();
}
$priority = $this->_toSyslog($event['level']);
if (!syslog($priority, $event['message'])) {
throw new Horde_Log_Exception('Unable to log message');
}
return true;
}
/**
* Translate a log level to a syslog LOG_* priority.
*
* @param integer $level Log level.
*
* @return integer A LOG_* constant.
*/
protected function _toSyslog($level)
{
return isset($this->_priorities[$level])
? $this->_priorities[$level]
: $this->_options['defaultPriority'];
}
/**
* Initialize syslog / set ident and facility.
*
* @param string $ident Ident.
* @param string $facility Syslog facility.
*
* @throws Horde_Log_Exception
*/
protected function _initializeSyslog()
{
$this->_lastIdent = $this->_options['ident'];
$this->_lastFacility = $this->_options['facility'];
if (!openlog($this->_options['ident'], $this->_options['openlogOptions'], $this->_options['facility'])) {
throw new Horde_Log_Exception('Unable to open syslog');
}
}
}
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