109 lines
2.5 KiB
PHP
109 lines
2.5 KiB
PHP
<?php
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// {{{ICINGA_LICENSE_HEADER}}}
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// {{{ICINGA_LICENSE_HEADER}}}
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namespace Icinga\Logger\Writer;
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use \Exception;
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use \Zend_Config;
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use Icinga\Logger\Logger;
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use Icinga\Logger\LogWriter;
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use Icinga\Exception\ConfigurationError;
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/**
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* Class to write messages to syslog
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*/
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class SyslogWriter extends LogWriter
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{
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/**
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* The facility where to write messages to
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*
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* @var string
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*/
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protected $facility;
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/**
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* The prefix to prepend to each message
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*
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* @var string
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*/
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protected $ident;
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/**
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* Known syslog facilities
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*
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* @var array
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*/
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protected $facilities = array(
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'LOG_USER' => LOG_USER
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);
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/**
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* Create a new log writer initialized with the given configuration
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*/
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public function __construct(Zend_Config $config)
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{
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if (!array_key_exists($config->facility, $this->facilities)) {
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throw new ConfigurationError(
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'Cannot create syslog writer with unknown facility "' . $config->facility . '"'
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);
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}
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$this->ident = $config->application;
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$this->facility = $this->facilities[$config->facility];
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}
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/**
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* Log a message with the given severity
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*
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* @param int $severity The severity to use
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* @param string $message The message to log
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*
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* @throws Exception In case the given severity cannot be mapped to a valid syslog priority
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*/
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public function log($severity, $message)
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{
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$priorities = array(
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Logger::$ERROR => LOG_ERR,
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Logger::$WARNING => LOG_WARNING,
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Logger::$INFO => LOG_INFO,
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Logger::$DEBUG => LOG_DEBUG
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);
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if (!array_key_exists($severity, $priorities)) {
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throw new Exception('Severity "' . $severity . '" cannot be mapped to a valid syslog priority');
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}
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$this->open();
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$this->write($priorities[$severity], $message);
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$this->close();
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}
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/**
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* Open a new syslog connection
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*/
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protected function open()
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{
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openlog($this->ident, 0, $this->facility);
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}
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/**
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* Write a message to the syslog connection
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*
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* @param int $priority The priority to use
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* @param string $message The message to write
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*/
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protected function write($priority, $message)
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{
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syslog($priority, $message);
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}
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/**
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* Close the syslog connection
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*/
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protected function close()
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{
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closelog();
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}
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}
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