diff options
Diffstat (limited to 'system/core/Log.php')
| -rw-r--r-- | system/core/Log.php | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/system/core/Log.php b/system/core/Log.php new file mode 100644 index 000000000..e66270840 --- /dev/null +++ b/system/core/Log.php @@ -0,0 +1,181 @@ +<?php +/** + * CodeIgniter + * + * An open source application development framework for PHP 5.2.4 or newer + * + * NOTICE OF LICENSE + * + * Licensed under the Open Software License version 3.0 + * + * This source file is subject to the Open Software License (OSL 3.0) that is + * bundled with this package in the files license.txt / license.rst. It is + * also available through the world wide web at this URL: + * http://opensource.org/licenses/OSL-3.0 + * 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 + * licensing@ellislab.com so we can send you a copy immediately. + * + * @package CodeIgniter + * @author EllisLab Dev Team + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) + * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) + * @link http://codeigniter.com + * @since Version 1.0 + * @filesource + */ +defined('BASEPATH') OR exit('No direct script access allowed'); + +/** + * Logging Class + * + * @package CodeIgniter + * @subpackage Libraries + * @category Logging + * @author EllisLab Dev Team + * @link http://codeigniter.com/user_guide/general/errors.html + */ +class CI_Log { + + /** + * Path to save log files + * + * @var string + */ + protected $_log_path; + + /** + * Level of logging + * + * @var int + */ + protected $_threshold = 1; + + /** + * Highest level of logging + * + * @var int + */ + protected $_threshold_max = 0; + + /** + * Array of threshold levels to log + * + * @var array + */ + protected $_threshold_array = array(); + + /** + * Format of timestamp for log files + * + * @var string + */ + protected $_date_fmt = 'Y-m-d H:i:s'; + + /** + * Whether or not the logger can write to the log files + * + * @var bool + */ + protected $_enabled = TRUE; + + /** + * Predefined logging levels + * + * @var array + */ + protected $_levels = array('ERROR' => 1, 'DEBUG' => 2, 'INFO' => 3, 'ALL' => 4); + + /** + * Initialize Logging class + * + * @return void + */ + public function __construct() + { + $config =& get_config(); + + $this->_log_path = ($config['log_path'] !== '') ? $config['log_path'] : APPPATH.'logs/'; + + if ( ! is_dir($this->_log_path) OR ! is_really_writable($this->_log_path)) + { + $this->_enabled = FALSE; + } + + if (is_numeric($config['log_threshold'])) + { + $this->_threshold = (int) $config['log_threshold']; + } + elseif (is_array($config['log_threshold'])) + { + $this->_threshold = $this->_threshold_max; + $this->_threshold_array = array_flip($config['log_threshold']); + } + + if ($config['log_date_format'] !== '') + { + $this->_date_fmt = $config['log_date_format']; + } + } + + // -------------------------------------------------------------------- + + /** + * Write Log File + * + * Generally this function will be called using the global log_message() function + * + * @param string the error level + * @param string the error message + * @param bool whether the error is a native PHP error + * @return bool + */ + public function write_log($level = 'error', $msg, $php_error = FALSE) + { + if ($this->_enabled === FALSE) + { + return FALSE; + } + + $level = strtoupper($level); + + if (( ! isset($this->_levels[$level]) OR ($this->_levels[$level] > $this->_threshold)) + && ! isset($this->_threshold_array[$this->_levels[$level]])) + { + return FALSE; + } + + + $filepath = $this->_log_path.'log-'.date('Y-m-d').'.php'; + $message = ''; + + if ( ! file_exists($filepath)) + { + $newfile = TRUE; + $message .= '<'."?php defined('BASEPATH') OR exit('No direct script access allowed'); ?".">\n\n"; + } + + if ( ! $fp = @fopen($filepath, FOPEN_WRITE_CREATE)) + { + return FALSE; + } + + $message .= $level.' '.($level === 'INFO' ? ' -' : '-').' '.date($this->_date_fmt).' --> '.$msg."\n"; + + flock($fp, LOCK_EX); + fwrite($fp, $message); + flock($fp, LOCK_UN); + fclose($fp); + + if (isset($newfile) && $newfile === TRUE) + { + @chmod($filepath, FILE_WRITE_MODE); + } + + return TRUE; + } + +} + +/* End of file Log.php */ +/* Location: ./system/libraries/Log.php */
\ No newline at end of file |