105 lines
2.7 KiB
PHP
105 lines
2.7 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\Application\Config;
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use Icinga\Exception\ConfigurationError;
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/**
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* Class to write log messages to a file
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*/
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class FileWriter extends LogWriter
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{
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/**
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* The path to the file
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*
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* @var string
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*/
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protected $path;
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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 $config)
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{
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$this->path = $config->target;
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$this->setup();
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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 $message The message to log
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*/
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public function log($severity, $message)
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{
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$this->write(date('c') . ' ' . $this->getSeverityString($severity) . ' ' . $message);
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}
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/**
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* Create the file if it does not already exist
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*/
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protected function setup()
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{
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if (substr($this->path, 0, 6) !== 'php://') {
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if (!file_exists($this->path) && (!@touch($this->path) || !@chmod($this->path, 0664))) {
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throw new ConfigurationError('Cannot create log file "' . $this->path . '"');
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}
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if (!@is_writable($this->path)) {
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throw new ConfigurationError('Cannot write to log file "' . $this->path . '"');
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}
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}
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}
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/**
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* Return a string representation for the given severity
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*
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* @param string $severity The severity to use
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*
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* @return string The string representation of the severity
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*
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* @throws Exception In case the given severity is unknown
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*/
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protected function getSeverityString($severity)
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{
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switch ($severity) {
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case Logger::$ERROR:
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return '- ERROR -';
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case Logger::$WARNING:
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return '- WARNING -';
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case Logger::$INFO:
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return '- INFO -';
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case Logger::$DEBUG:
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return '- DEBUG -';
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default:
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throw new Exception('Unknown severity "' . $severity . '"');
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}
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}
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/**
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* Write a message to the path
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*
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* @param string $text The message to write
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*
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* @throws Exception In case write acess to the path failed
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*/
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protected function write($text)
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{
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$fd = fopen($this->path, 'a');
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if ($fd === false || fwrite($fd, $text . PHP_EOL) === false) {
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throw new Exception('Failed to write to log file "' . $this->path . '"');
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}
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fclose($fd);
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}
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}
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