ILIAS  release_5-0 Revision 5.0.0-1144-gc4397b1f870
ilLog Class Reference

logging More...

+ Collaboration diagram for ilLog:

Public Member Functions

 ilLog ($a_log_path, $a_log_file, $a_tag="", $a_enabled=true, $a_log_level=NULL)
 constructor More...
 
 setLogLevel ($a_log_level)
 set global log level More...
 
 checkLogLevel ($a_log_level)
 determine log level More...
 
 setLogFormat ($a_format)
 
 getLogFormat ()
 
 setPath ($a_str)
 
 setFilename ($a_str)
 
 setTag ($a_str)
 
 writeLanguageLog ($a_topic, $a_lang_key)
 special language checking routine More...
 
 writeWarning ($a_message)
 special warning message More...
 
 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 @access public More...
 
 write ($a_msg, $a_log_level=NULL)
 
 logStack ($a_message='')
 
 dump ($a_var, $a_log_level=NULL)
 Dump a variable to the log. More...
 
 __destruct ()
 
 delete ()
 delete logfile More...
 

Data Fields

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

Private Member Functions

 open ()
 Open log file. More...
 

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

◆ __destruct()

ilLog::__destruct ( )

Definition at line 306 of file class.ilLog.php.

307 {
308 @fclose($this->fp);
309 }

Member Function Documentation

◆ checkLogLevel()

ilLog::checkLogLevel (   $a_log_level)

determine log level

@access private

Parameters
integerlog level
Returns
integer checked log level

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

115 {
116 if (empty($a_log_level))
117 return $this->default_log_level;
118
119 $level = (int) $a_log_level;
120
121 if ($a_log_level != (int) $a_log_level)
122 return $this->default_log_level;
123
124 return $level;
125 }

Referenced by write().

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◆ delete()

ilLog::delete ( )

delete logfile

Definition at line 316 of file class.ilLog.php.

317 {
318 if (@is_file($this->path."/".$this->filename))
319 {
320 @unlink($this->path."/".$this->filename);
321 }
322 }

◆ dump()

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

Dump a variable to the log.

Parameters

return

Definition at line 283 of file class.ilLog.php.

284 {
285 $this->write(print_r($a_var, true), $a_log_level);
286 }
write($a_msg, $a_log_level=NULL)

References write().

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◆ getLogFormat()

ilLog::getLogFormat ( )

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

133 {
134 return $this->log_format;
135 }

References $log_format.

Referenced by write().

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◆ ilLog()

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 @access public
Exceptions
ilLogException

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

65 {
66 // init vars
67 $this->FATAL = 10;
68 $this->WARNING = 20;
69 $this->MESSAGE = 30;
70
71 $this->default_log_level= $this->WARNING;
72 $this->current_log_level = $this->setLogLevel($a_log_level);
73
74 $this->path = ($a_log_path) ? $a_log_path : ILIAS_ABSOLUTE_PATH;
75 $this->filename = ($a_log_file) ? $a_log_file : "ilias.log";
76 $this->tag = ($a_tag == "") ? "unknown" : $a_tag;
77 $this->enabled = (bool) $a_enabled;
78
79 $this->setLogFormat(@date("[y-m-d H:i:s] ")."[".$this->tag."] ");
80
81 $this->open();
82
83 }
setLogFormat($a_format)
setLogLevel($a_log_level)
set global log level
Definition: class.ilLog.php:92
open()
Open log file.
const ILIAS_ABSOLUTE_PATH

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

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◆ logError()

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 @access public

Parameters
integererror level code from PEAR_Error
stringerror message
See also
this::write

Definition at line 201 of file class.ilLog.php.

202 {
203 switch ($a_code)
204 {
205 case "3":
206 return; // don't log messages
207 $error_level = "message";
208 break;
209
210 case "2":
211 $error_level = "warning";
212 break;
213
214 case "1":
215 $error_level = "fatal";
216 break;
217
218 default:
219 $error_level = "unknown";
220 break;
221 }
222
223 $this->write("ERROR (".$error_level."): ".$a_msg);
224 }

References write().

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◆ logStack()

ilLog::logStack (   $a_message = '')

Definition at line 265 of file class.ilLog.php.

266 {
267 try
268 {
269 throw new Exception($a_message);
270 }
271 catch(Exception $e)
272 {
273 $this->write($e->getTraceAsString());
274 }
275 }

References write().

Referenced by write().

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◆ open()

ilLog::open ( )
private

Open log file.

Exceptions
ilLogException

Definition at line 292 of file class.ilLog.php.

293 {
294 if(!$this->fp)
295 {
296 $this->fp = @fopen ($this->path."/".$this->filename, "a");
297 }
298
299 if (!$this->fp && $this->enabled)
300 {
301 include_once("./Services/Logging/exceptions/class.ilLogException.php");
302 throw new ilLogException('Unable to open log file for writing. Please check setup path to log file and possible write access.');
303 }
304 }
ILIAS Log exception class.

Referenced by ilLog(), and write().

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◆ setFilename()

ilLog::setFilename (   $a_str)

Definition at line 149 of file class.ilLog.php.

150 {
151 $this->filename = $a_str;
152
153 // on filename change reload close current file
154 if($this->fp)
155 {
156 fclose($this->fp);
157 $this->fp = null;
158 }
159 }

◆ setLogFormat()

ilLog::setLogFormat (   $a_format)

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

128 {
129 $this->log_format = $a_format;
130 }

Referenced by ilLog().

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◆ setLogLevel()

ilLog::setLogLevel (   $a_log_level)

set global log level

@access private

Parameters
integerlog level
Returns
integer log level

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

93 {
94 switch (strtolower($a_log_level))
95 {
96 case "fatal":
97 return $this->FATAL;
98 case "warning":
99 return $this->WARNING;
100 case "message":
101 return $this->MESSAGE;
102 default:
103 return $this->default_log_level;
104 }
105 }

References $FATAL, $MESSAGE, and $WARNING.

Referenced by ilLog().

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◆ setPath()

ilLog::setPath (   $a_str)

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

138 {
139 $this->path = $a_str;
140
141 // on filename change reload close current file
142 if($this->fp)
143 {
144 fclose($this->fp);
145 $this->fp = null;
146 }
147 }

◆ setTag()

ilLog::setTag (   $a_str)

Definition at line 161 of file class.ilLog.php.

162 {
163 $this->tag = $a_str;
164 }

◆ write()

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

@access public

Parameters
stringerror message
integerlog level (optional)

Definition at line 240 of file class.ilLog.php.

241 {
242 if ($this->enabled and $this->current_log_level >= $this->checkLogLevel($a_log_level))
243 {
244 $this->open();
245
246 if ($this->fp == false)
247 {
248 //die("Logfile: cannot open file. Please give Logfile Writepermissions.");
249 }
250
251 if (fwrite($this->fp,$this->getLogFormat().$a_msg."\n") == -1)
252 {
253 //die("Logfile: cannot write to file. Please give Logfile Writepermissions.");
254 }
255
256 // note: logStack() calls write() again, so do not make this call
257 // if no log level is given
258 if ($a_log_level == $this->FATAL)
259 {
260 $this->logStack();
261 }
262 }
263 }
checkLogLevel($a_log_level)
determine log level
getLogFormat()
logStack($a_message='')

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

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

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◆ writeLanguageLog()

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@access public

Definition at line 175 of file class.ilLog.php.

176 {
177 //TODO: go through logfile and search for the topic
178 //only write the log if the error wasn't reported yet
179 $this->write("Language (".$a_lang_key."): topic -".$a_topic."- not present",$this->MESSAGE);
180 }

References write().

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◆ writeWarning()

ilLog::writeWarning (   $a_message)

special warning message

Parameters
string@access public

Definition at line 188 of file class.ilLog.php.

189 {
190 $this->write("WARNING: ".$a_message);
191 }

References write().

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Field Documentation

◆ $FATAL

ilLog::$FATAL

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

Referenced by setLogLevel().

◆ $filename

ilLog::$filename

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

◆ $fp

ilLog::$fp = false

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

◆ $log_format

ilLog::$log_format

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

Referenced by getLogFormat().

◆ $MESSAGE

ilLog::$MESSAGE

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

Referenced by setLogLevel().

◆ $path

ilLog::$path

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

◆ $tag

ilLog::$tag

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

◆ $WARNING

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: