| 1 | <?php
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| 2 | /*
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| 3 | * Project: NodeMap2.0
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| 4 | * File: LogHandler.class.php
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| 5 | * Purpose: Handling our log file containing log entries generated by the application
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| 6 | */
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| 7 |
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| 8 | /*
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| 9 | * Log levels:
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| 10 | * SYSLOG_EMERG System is unusable
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| 11 | * SYSLOG_ALERT Action must be taken immediately
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| 12 | * SYSLOG_CRIT Critical conditions
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| 13 | * SYSLOG_ERR Error conditions
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| 14 | * SYSLOG_WARNING Warning conditions
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| 15 | * SYSLOG_NOTICE Normal, but significant, condition
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| 16 | * SYSLOG_INFO Informational message
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| 17 | * SYSLOG_DEBUG Debug-level message
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| 18 | */
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| 19 |
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| 20 | define('SYSLOG_NONE', 0);
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| 21 | define('SYSLOG_EMERG', 1);
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| 22 | define('SYSLOG_ALERT', 2);
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| 23 | define('SYSLOG_CRIT', 3);
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| 24 | define('SYSLOG_ERR', 4);
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| 25 | define('SYSLOG_WARNING', 5);
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| 26 | define('SYSLOG_NOTICE', 6);
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| 27 | define('SYSLOG_INFO', 7);
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| 28 | define('SYSLOG_DEBUG', 8);
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| 29 |
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| 30 | /*
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| 31 | * Actions on log levels
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| 32 | */
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| 33 | define('LOG_LEVEL_ECHO', SYSLOG_DEBUG);
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| 34 | define('LOG_LEVEL_WRITE', SYSLOG_DEBUG);
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| 35 | define('LOG_LEVEL_MAIL', SYSLOG_DEBUG);
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| 36 |
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| 37 | class LogHandler {
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| 38 | /*
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| 39 | * Function: __construct (constructor)
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| 40 | * Parameters: -
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| 41 | * Function: Creating a LogHandler object
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| 42 | */
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| 43 | public function __construct() {
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| 44 | }
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| 45 |
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| 46 | /*
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| 47 | * Function: logEntry
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| 48 | * Parameters: int $logno, string $logstr, string $logfile, int $logline
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| 49 | * Function: Handling with log entries, decides what to do with it
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| 50 | */
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| 51 | public function logEntry($logno, $logstr, $logfile, $logline) {
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| 52 | $errorString = 'SysLog ';
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| 53 |
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| 54 | switch ($logno) {
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| 55 | case SYSLOG_EMERG:
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| 56 | $errorString = 'Emergency';
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| 57 | break;
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| 58 | case SYSLOG_ALERT:
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| 59 | $errorString = 'Alert';
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| 60 | break;
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| 61 | case SYSLOG_CRIT:
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| 62 | $errorString = 'Critical';
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| 63 | break;
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| 64 | case SYSLOG_ERR:
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| 65 | $errorString = 'Error';
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| 66 | break;
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| 67 | case SYSLOG_WARNING:
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| 68 | $errorString = 'Warning';
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| 69 | break;
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| 70 | case SYSLOG_NOTICE:
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| 71 | $errorString = 'Notice';
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| 72 | break;
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| 73 | case SYSLOG_INFO:
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| 74 | $errorString = 'Information';
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| 75 | break;
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| 76 | case SYSLOG_DEBUG:
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| 77 | $errorString = 'Debug';
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| 78 | break;
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| 79 | default:
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| 80 | $errorString = 'SYSLOG_DEFAULT';
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| 81 | break;
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| 82 | }
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| 83 |
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| 84 | $errorString .= ' (' . $logno . '): ' . $logstr . "\r\n\t" . 'In file "' . $logfile . '" on line "' . $logline . '"' . "\r\n";
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| 85 |
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| 86 | if ($logno <= LOG_LEVEL_ECHO) {
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| 87 | echo $errorString;
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| 88 | }
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| 89 | if ($logno <= LOG_LEVEL_WRITE) {
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| 90 | // TODO: David: Write $errorString to file
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| 91 | }
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| 92 | if ($logno <= LOG_LEVEL_MAIL) {
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| 93 | // TODO: David: Mail $errorString to administrator
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| 94 | }
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| 95 | }
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| 96 | }
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| 97 |
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| 98 | $LOG_HANDLER = new LogHandler();
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| 99 |
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| 100 | /*
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| 101 | * Function: trigger_log
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| 102 | * Parameters: int $logno, string $logstr, string $logfile, int $logline
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| 103 | * Function: Handling with log entries, forwarding them to our $LOG_HANDLER object.
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| 104 | */
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| 105 | function trigger_log($logno, $logstr, $logfile, $logline) {
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| 106 | global $LOG_HANDLER;
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| 107 |
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| 108 | $LOG_HANDLER->logEntry($logno, $logstr, $logfile, $logline);
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| 109 | }
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| 110 | ?>
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