Collaboration diagram for ilLog:

Public Member Functions
	ilLog ($a_log_path, $a_log_file, $a_tag="", $a_enabled=true, $a_log_level=NULL)
	constructor
	setLogLevel ($a_log_level)
	set global log level
	checkLogLevel ($a_log_level)
	determine log level
	setLogFormat ($a_format)
	getLogFormat ()
	setPath ($a_str)
	setFilename ($a_str)
	setTag ($a_str)
	writeLanguageLog ($a_topic, $a_lang_key)
	special language checking routine
	writeWarning ($a_message)
	special warning message
	logError ($a_code, $a_msg)
	this function is automatically called by class.ilErrorHandler in case of an error To log manually please use $this::write public
	write ($a_msg, $a_log_level=NULL)
	logging
	logStack ($a_message= '')
	dump ($a_var, $a_log_level=NULL)
	Dump a variable to the log.
	__destruct ()
	delete ()
	delete logfile

Data Fields
	$path
	$filename
	$tag
	$log_format
	$FATAL
	$WARNING
	$MESSAGE
	$fp = false

Private Member Functions
	open ()
	Open log file.

Detailed Description

logging

this class provides a logging feature to the application this class is easy to use. call the constructor with e.g. $log = new Log(); you can give a filename if you want, else the defaultfilename is used.

Author: Peter Gabriel pgabr.nosp@m.iel@.nosp@m.datab.nosp@m.ay.d.nosp@m.e

Version

Id:: class.ilLog.php 16024 2008-02-19 13:07:07Z akill

Definition at line 18 of file class.ilLog.php.

Constructor & Destructor Documentation

ilLog::__destruct ( )

Definition at line 299 of file class.ilLog.php.

        {
                @fclose($this->fp);
        }

Member Function Documentation

ilLog::checkLogLevel ( $a_log_level )

determine log level

private

Parameters

integer log level

Returns: integer checked log level

Definition at line 114 of file class.ilLog.php.

Referenced by write().

    {
        if (empty($a_log_level))
            return $this->default_log_level;
        $level = (int) $a_log_level;
        
        if ($a_log_level != (int) $a_log_level)
            return $this->default_log_level;
        
        return $level;
    }

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ilLog::delete ( )

delete logfile

Definition at line 309 of file class.ilLog.php.

Referenced by ilSurveyQuestionpoolExport\buildExportFileXML().

        {
                if (@is_file($this->path."/".$this->filename))
                {
                        @unlink($this->path."/".$this->filename);
                }
        }

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ilLog::dump	(	$a_var,
		$a_log_level = `NULL`
	)

Dump a variable to the log.

Parameters

@return

Definition at line 276 of file class.ilLog.php.

References write().

        {
                $this->write(print_r($a_var, true), $a_log_level);
        }

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ilLog::getLogFormat ( )

Definition at line 132 of file class.ilLog.php.

References $log_format.

Referenced by write().

        {
                return $this->log_format;
        }

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ilLog::ilLog	(	$a_log_path,
		$a_log_file,
		$a_tag = `""`,
		$a_enabled = `true`,
		$a_log_level = `NULL`
	)

constructor

set the filename

Parameters

string

Returns: boolean public

Exceptions

ilLogException

Definition at line 64 of file class.ilLog.php.

References $WARNING, ILIAS_ABSOLUTE_PATH, open(), setLogFormat(), and setLogLevel().

        {
                // init vars
                $this->FATAL     = 10;
                $this->WARNING   = 20;
                $this->MESSAGE   = 30;
  
        $this->default_log_level= $this->WARNING;
        $this->current_log_level = $this->setLogLevel($a_log_level);
                $this->path = ($a_log_path) ? $a_log_path : ILIAS_ABSOLUTE_PATH;
                $this->filename = ($a_log_file) ? $a_log_file : "ilias.log";
                $this->tag = ($a_tag == "") ? "unknown" : $a_tag;
                $this->enabled = (bool) $a_enabled;
                $this->setLogFormat(@date("[y-m-d H:i:s] ")."[".$this->tag."] ");
                
                $this->open();
        }

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ilLog::logError	(	$a_code,
		$a_msg
	)

this function is automatically called by class.ilErrorHandler in case of an error To log manually please use $this::write public

Parameters

integer	error level code from PEAR_Error
string	error message

See Also: this::write

Definition at line 194 of file class.ilLog.php.

References write().

        {
                switch ($a_code)
                {
                        case "3":
                                return; // don't log messages
                                $error_level = "message";
                                break;
                        case "2":
                                $error_level = "warning";
                                break;
                        case "1":
                                $error_level = "fatal";
                                break;
                                
                        default:
                                $error_level = "unknown";
                                break;
                }
                
                $this->write("ERROR (".$error_level."): ".$a_msg);      
        }

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ilLog::logStack ( $a_message = '' )

Definition at line 258 of file class.ilLog.php.

References write().

Referenced by write().

        {
                try
                {
                        throw new Exception($a_message);
                }
                catch(Exception $e)
                {
                        $this->write($e->getTraceAsString());
                }
        }

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ilLog::open ( )

private

Open log file.

Exceptions

ilLogException

Definition at line 285 of file class.ilLog.php.

Referenced by ilLog(), and write().

        {
                if(!$this->fp)
                {
                    $this->fp = @fopen ($this->path."/".$this->filename, "a");
                }
                if (!$this->fp && $this->enabled)
                {
                        include_once("./Services/Logging/exceptions/class.ilLogException.php");
                        throw new ilLogException('Unable to open log file for writing. Please check setup path to log file and possible write access.');
                }
        }

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ilLog::setFilename ( $a_str )

Definition at line 142 of file class.ilLog.php.

        {
                $this->filename = $a_str;
                
                // on filename change reload close current file
                if($this->fp)
                {
                        fclose($this->fp);
                        $this->fp = null;
                }
        }

ilLog::setLogFormat ( $a_format )

Definition at line 127 of file class.ilLog.php.

Referenced by ilLog().

        {
                $this->log_format = $a_format;
        }

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ilLog::setLogLevel ( $a_log_level )

set global log level

private

Parameters

integer log level

Returns: integer log level

Definition at line 92 of file class.ilLog.php.

References $FATAL, $MESSAGE, and $WARNING.

Referenced by ilLog().

    {
        switch (strtolower($a_log_level))
        {
            case "fatal":
                return $this->FATAL;
            case "warning":
                return $this->WARNING;
            case "message":
                return $this->MESSAGE;
            default:
                return $this->default_log_level;
        }
    }

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ilLog::setPath ( $a_str )

Definition at line 137 of file class.ilLog.php.

        {
                $this->path = $a_str;
        }

ilLog::setTag ( $a_str )

Definition at line 154 of file class.ilLog.php.

        {
                $this->tag = $a_str;
        }

ilLog::write	(	$a_msg,
		$a_log_level = `NULL`
	)

logging

this method logs anything you want. It appends a line to the given logfile.
Datetime and client id is appended automatically
You may set the log level in each call. Leave blank to use default log level

specified in ilias.ini: [log] level = "<level>" possible values are fatal,warning,message

public

Parameters

string	error message
integer	log level (optional)

Definition at line 233 of file class.ilLog.php.

References checkLogLevel(), getLogFormat(), logStack(), and open().

Referenced by dump(), logError(), logStack(), ilBenchmark\save(), ilOrgUnitSimpleImportGUI\startImport(), writeLanguageLog(), and writeWarning().

        {
                if ($this->enabled and $this->current_log_level >= $this->checkLogLevel($a_log_level))
                {
                        $this->open();
                        
                        if ($this->fp == false)
                        {
                                //die("Logfile: cannot open file. Please give Logfile Writepermissions.");
                        }
                        if (fwrite($this->fp,$this->getLogFormat().$a_msg."\n") == -1)
                        {
                                //die("Logfile: cannot write to file. Please give Logfile Writepermissions.");
                        }
                        
                        // note: logStack() calls write() again, so do not make this call
                        // if no log level is given
                        if ($a_log_level == $this->FATAL)
                        {
                                $this->logStack();
                        }
                }
        }

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ilLog::writeLanguageLog	(	$a_topic,
		$a_lang_key
	)

special language checking routine

only add a log entry to the logfile if there isn't a log entry for the topic

Parameters

string public

Definition at line 168 of file class.ilLog.php.

References write().

        {
                //TODO: go through logfile and search for the topic
                //only write the log if the error wasn't reported yet
                $this->write("Language (".$a_lang_key."): topic -".$a_topic."- not present",$this->MESSAGE);
        }

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ilLog::writeWarning ( $a_message )

special warning message

Parameters

string public

Definition at line 181 of file class.ilLog.php.

References write().

        {
                $this->write("WARNING: ".$a_message);
        }

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Field Documentation

ilLog::$FATAL

Definition at line 36 of file class.ilLog.php.

Referenced by setLogLevel().

ilLog::$filename

Definition at line 27 of file class.ilLog.php.

ilLog::$fp = false

Definition at line 52 of file class.ilLog.php.

ilLog::$log_format

Definition at line 29 of file class.ilLog.php.

Referenced by getLogFormat().

ilLog::$MESSAGE

Definition at line 50 of file class.ilLog.php.

Referenced by setLogLevel().

ilLog::$path

Definition at line 26 of file class.ilLog.php.

ilLog::$tag

Definition at line 28 of file class.ilLog.php.

ilLog::$WARNING

Definition at line 43 of file class.ilLog.php.

Referenced by ilLog(), and setLogLevel().

The documentation for this class was generated from the following file:

Services/Logging/classes/class.ilLog.php

Public Member Functions

Data Fields

Private Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Field Documentation