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   1  <?php
   2  /*+***********************************************************************************
   3   * The contents of this file are subject to the vtiger CRM Public License Version 1.0
   4   * ("License"); You may not use this file except in compliance with the License
   5   * The Original Code is:  vtiger CRM Open Source
   6   * The Initial Developer of the Original Code is vtiger.
   7   * Portions created by vtiger are Copyright (C) vtiger.
   8   * All Rights Reserved.
   9   *************************************************************************************/
  10  
  11  /** Classes to avoid logging */
  12  
  13  class LoggerManager {
  14  	static function getlogger($name = 'ROOT') {
  15          $configinfo = LoggerPropertyConfigurator::getInstance()->getConfigInfo($name);
  16          return new Logger($name, $configinfo);
  17      }
  18  }
  19  
  20  /**
  21   * Core logging class.
  22   */
  23  class Logger {
  24      private $name = false;
  25      private $appender = false;
  26      private $configinfo = false;
  27      
  28      /**
  29       * Writing log file information could cost in-terms of performance.
  30       * Enable logging based on the levels here explicitly
  31       */
  32      private $enableLogLevel =  array(    
  33          'ERROR' => false,
  34          'FATAL' => false,
  35          'INFO'  => false,
  36          'WARN'  => false,
  37          'DEBUG' => false,
  38      );
  39      
  40  	function __construct($name, $configinfo = false) {
  41          $this->name = $name;
  42          $this->configinfo = $configinfo;
  43          
  44          /** For migration log-level we need debug turned-on */
  45          if(strtoupper($name) == 'MIGRATION') {
  46              $this->enableLogLevel['DEBUG'] = true;
  47          }
  48          
  49      }
  50      
  51  	function emit($level, $message) {
  52          if(!$this->appender) {
  53              $filename = 'logs/vtigercrm.log';            
  54              if($this->configinfo && isset($this->configinfo['appender']['File'])) {
  55                  $filename = $this->configinfo['appender']['File'];
  56              }
  57              $this->appender = new LoggerAppenderFile($filename, 0777); 
  58          }
  59          $mypid = @getmypid();
  60          
  61          $this->appender->emit("$level [$mypid] $this->name - ", $message);
  62      }
  63      
  64  	function info($message) {
  65          if($this->isLevelEnabled('INFO')) {
  66              $this->emit('INFO', $message);
  67          }
  68      }
  69      
  70  	function debug($message) {
  71          if($this->isDebugEnabled()) {
  72              $this->emit('DEBUG', $message);
  73          }
  74      }
  75      
  76  	function warn($message) {
  77          if($this->isLevelEnabled('WARN')) {
  78              $this->emit('WARN', $message);
  79          }
  80      }
  81      
  82  	function fatal($message) {
  83          if($this->isLevelEnabled('FATAL')) {
  84              $this->emit('FATAL', $message);
  85          }        
  86      }
  87      
  88  	function error($message) {
  89          if($this->isLevelEnabled('ERROR')) {
  90              $this->emit('ERROR', $message);
  91          }
  92      }
  93      
  94  	function isLevelEnabled($level) {
  95          if($this->enableLogLevel[$level] && $this->configinfo) {
  96              return (strtoupper($this->configinfo['level']) == $level);
  97          }
  98          return false;
  99      }
 100      
 101  	function isDebugEnabled() {
 102          return $this->isLevelEnabled('DEBUG');
 103      }
 104  }
 105  
 106  /**
 107   * Log message appender to file.
 108   */
 109  class LoggerAppenderFile {
 110      
 111      private $filename;
 112      private $chmod;
 113      
 114  	function __construct($filename, $chmod = 0222) {
 115          $this->filename = $filename;
 116          $this->chmod    = $chmod;
 117      }
 118      
 119  	function emit($prefix, $message) {        
 120          if($this->chmod != 0777 && file_exists($this->filename)) {
 121              if(is_readable($this->filename)) {
 122                  @chmod($this->filename, $this->chmod);
 123              }
 124          }
 125          $fh = @fopen($this->filename, 'a');
 126          if($fh) {
 127              @fwrite($fh, date('m/d/Y H:i:s') . " $prefix $message\n");
 128              @fclose($fh);
 129          }
 130      }    
 131      
 132  }
 133  ?>