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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 public More...
 
 write ($a_msg, $a_log_level=NULL)
 logging More...
 
 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

private

Parameters
integerlog level
Returns
integer checked log level

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

Referenced by write().

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  }
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◆ delete()

ilLog::delete ( )

delete logfile

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

Referenced by ilSurveyQuestionpoolExport\buildExportFileXML().

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

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

Dump a variable to the log.

Parameters

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

References write().

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

ilLog::getLogFormat ( )

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

References $log_format.

Referenced by write().

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

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

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

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)
open()
Open log file.
setLogLevel($a_log_level)
set global log level
Definition: class.ilLog.php:92
const ILIAS_ABSOLUTE_PATH
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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 public

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

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

References write().

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."): ".$a_msg);
224  }
write($a_msg, $a_log_level=NULL)
logging
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◆ logStack()

ilLog::logStack (   $a_message = '')

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

References write().

Referenced by write().

266  {
267  try
268  {
269  throw new Exception($a_message);
270  }
271  catch(Exception $e)
272  {
273  $this->write($e->getTraceAsString());
274  }
275  }
write($a_msg, $a_log_level=NULL)
logging
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◆ open()

ilLog::open ( )
private

Open log file.

Exceptions
ilLogException

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

Referenced by ilLog(), and write().

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.
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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.

Referenced by ilLog().

128  {
129  $this->log_format = $a_format;
130  }
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◆ setLogLevel()

ilLog::setLogLevel (   $a_log_level)

set global log level

private

Parameters
integerlog level
Returns
integer log level

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

References $FATAL, $MESSAGE, and $WARNING.

Referenced by ilLog().

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  }
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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

public

Parameters
stringerror message
integerlog level (optional)

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

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

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

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  $this->logStack();
261  }
262  }
263  }
getLogFormat()
open()
Open log file.
checkLogLevel($a_log_level)
determine log level
logStack($a_message='')
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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
stringpublic

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

References write().

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  }
write($a_msg, $a_log_level=NULL)
logging
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◆ writeWarning()

ilLog::writeWarning (   $a_message)

special warning message

Parameters
stringpublic

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

References write().

189  {
190  $this->write("WARNING: ".$a_message);
191  }
write($a_msg, $a_log_level=NULL)
logging
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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: