/var-www-hotglue/hotglue.org-test/dev/log.inc.php

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<?php

/*
 *      log.inc.php
 *      Generic logging infrastructure
 *
 *      Copyright Gottfried Haider, Danja Vasiliev 2010.
 *      This source code is licensed under the GNU General Public License.
 *      See the file COPYING for more details.
 */

@require_once('config.inc.php');
require_once('util.inc.php');

if (!isset($logfile)) {
        $logfile = false;
}
if (!isset($loglevels)) {
        $loglevels = array('error', 'warn', 'info', 'debug');
}
if (!isset($request_id)) {
        // mt_rand() is seeded automatically
        $request_id = mt_rand(1, 32768);
}


/**
 *      log a message to file
 *
 *      @param string $level can be error, warn, info or debug
 *      @param string $msg message
 *      @return bool true if successful, false if not
 */
function log_msg($level, $msg )
{
        global $logfile;
        global $loglevels;
        global $request_id;
        
        // open logfile
        if ($logfile === false) {
                $m = umask(0111);
                // having two processes appending to the same file should 
                // work fine (at least on Linux)
                $logfile = @fopen(LOG_FILE, 'ab');
                umask($m);
        }
        if ($logfile === false) {
                return false;
        }
        
        foreach ($loglevels as $ll) {
                if ($ll == $level) {
                        fwrite($logfile, date('Y-m-d H:i:s').tab().pad($_SERVER['REMOTE_ADDR'], 15).tab().sprintf('%05u', $request_id).tab().$level.tab().$msg.nl());
                        fflush($logfile);
                        break;
                }
                if ($ll == LOG_LEVEL) {
                        break;
                }
        }
        return true;
}


// we need no extra function to log response-arrays as they are logged further 
// down in the server (e.g. json.php)

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