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Diffstat (limited to 'system/libraries/Log.php')
-rw-r--r-- | system/libraries/Log.php | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/system/libraries/Log.php b/system/libraries/Log.php new file mode 100644 index 000000000..35e30b64c --- /dev/null +++ b/system/libraries/Log.php @@ -0,0 +1,117 @@ +<?php if (!defined('BASEPATH')) exit('No direct script access allowed'); +/** + * Code Igniter + * + * An open source application development framework for PHP 4.3.2 or newer + * + * @package CodeIgniter + * @author Rick Ellis + * @copyright Copyright (c) 2006, pMachine, Inc. + * @license http://www.codeignitor.com/user_guide/license.html + * @link http://www.codeigniter.com + * @since Version 1.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * Logging Class + * + * @package CodeIgniter + * @subpackage Libraries + * @category Logging + * @author Rick Ellis + * @link http://www.codeigniter.com/user_guide/general/errors.html + */ +class CI_Log { + + var $log_path; + var $_threshold = 1; + var $_date_fmt = 'Y-m-d H:i:s'; + var $_enabled = TRUE; + var $_levels = array('ERROR' => '1', 'DEBUG' => '2', 'INFO' => '3', 'ALL' => '4'); + + /** + * Constructor + * + * @access public + * @param string the log file path + * @param string the error threshold + * @param string the date formatting codes + */ + function CI_Log($path = '', $threshold = '', $date_fmt = '') + { + $this->log_path = ($path != '') ? $path : BASEPATH.'logs/'; + + if ( ! is_dir($this->log_path) OR ! is_writable($this->log_path)) + { + $this->_enabled = FALSE; + } + + if (ctype_digit($threshold)) + { + $this->_threshold = $threshold; + } + + if ($date_fmt != '') + { + $this->_date_fmt = $date_fmt; + } + } + // END CI_Log() + + // -------------------------------------------------------------------- + + /** + * Write Log File + * + * Generally this function will be called using the global log_message() function + * + * @access public + * @param string the error level + * @param string the error message + * @param bool whether the error is a native PHP error + * @return bool + */ + function write_log($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)) + { + return FALSE; + } + + $filepath = $this->log_path.'log-'.date('Y-m-d').'.php'; + $message = ''; + + if ( ! file_exists($filepath)) + { + $message .= "<"."?php if (!defined('BASEPATH')) exit('No direct script access allowed'); ?".">\n\n"; + } + + if ( ! $fp = @fopen($filepath, "a")) + { + return FALSE; + } + + $message .= $level.' '.(($level == 'INFO') ? ' -' : '-').' '.date($this->_date_fmt). ' --> '.$msg."\n"; + + flock($fp, LOCK_EX); + fwrite($fp, $message); + flock($fp, LOCK_UN); + fclose($fp); + + @chmod($filepath, 0666); + return TRUE; + } + // END write_log() +} +// END Log Class +?>
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