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|
#!/usr/bin/env php
<?php
/*
+-------------------------------------------------------------------------+
| Copyright (C) 2004-2024 The Cacti Group |
| |
| This program is free software; you can redistribute it and/or |
| modify it under the terms of the GNU General Public License |
| as published by the Free Software Foundation; either version 2 |
| of the License, or (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
+-------------------------------------------------------------------------+
| Cacti: The Complete RRDtool-based Graphing Solution |
+-------------------------------------------------------------------------+
| This code is designed, written, and maintained by the Cacti Group. See |
| about.php and/or the AUTHORS file for specific developer information. |
+-------------------------------------------------------------------------+
| http://www.cacti.net/ |
+-------------------------------------------------------------------------+
*/
error_reporting(0);
/* get access to the database and open a session */
include(dirname(__FILE__) . '/../include/cli_check.php');
$user_logins_valid = 'U';
$user_logins_invalid = 'U';
$user_counter_active = 'U';
$user_counter_sleeping = 'U';
$session_counter_active = 'U';
$session_counter_sleeping = 'U';
$session_counter_garbage = 'U';
$active_interval = 600; // Ten minutes
/* determine the number of invalid/valid user logins during the last poller interval */
$user_logins_valid = db_fetch_cell("SELECT COUNT(*) AS user_logins
FROM user_log
WHERE UNIX_TIMESTAMP(`time`) BETWEEN UNIX_TIMESTAMP() - $active_interval AND UNIX_TIMESTAMP()
AND user_id > 0
AND `result` IN (1, 2)");
$user_logins_invalid = db_fetch_cell("SELECT COUNT(*) AS user_logins
FROM user_log
WHERE UNIX_TIMESTAMP(`time`) BETWEEN UNIX_TIMESTAMP() - $active_interval AND UNIX_TIMESTAMP()
AND user_id = 0
AND `result` IN (0, 3)");
$active_interval_end = time();
$active_interval_begin = $active_interval_end - $active_interval;
/* determine the number of active/valid sessions during the last poller interval */
if ($cacti_db_session == true) {
$session_counter_active = db_fetch_cell_prepared('SELECT count(*)
FROM sessions
WHERE access >= ?',
array($active_interval_begin));
$session_counter_sleeping = db_fetch_cell_prepared('SELECT count(*)
FROM sessions
WHERE access < ?',
array($active_interval_begin));
// These stats have little use when using the database session
$user_counter_active = $session_counter_active;
$user_counter_sleeping = $session_counter_sleeping;
// There is no garbage users when using database sessions
$session_counter_garbage = 0;
} else {
$session_save_path = get_session_save_path();
if (file_exists($session_save_path)) {
$session_dir_handle = opendir($session_save_path);
$session_maxlifetime = ini_get("session.gc_maxlifetime");
if ($session_dir_handle) {
$user_ids_active = array();
$user_ids_sleeping = array();
$session_counter_active = 0;
$session_counter_sleeping = 0;
$session_counter_garbage = 0;
while (false !== ($filename = readdir($session_dir_handle))) {
/* a real user session should be greater than 400 Bytes */
if (strpos($filename, 'sess_') !== false && filesize($session_save_path . '/' . $filename)> 400) {
$session = file_get_contents($session_save_path . '/' . $filename);
/* first off check if we are allowed to read the session
* file. Then we are only interested in sessions of
* authenticated Cacti users
*/
if ($session !== false && strpos($session, 'cacti_cwd') !== false && preg_match('/sess_user_id\|s:[0-9]*:\"[0-9]*\"/', $session, $match)) {
$session_user_id = substr($match[0], strpos($match[0], ':"')+2, -1);
/* due to the fact that ATIME could be unsupported/disabled we have to use MTIME instead */
$mtime = filemtime($session_save_path . '/' . $filename);
/* determine active user sessions
* Sessions with a MTIME higher than the end of the
* poller interval have to be counted too or we
* won't see real active users.
*/
if ($mtime >= $active_interval_begin) {
/* increase active session counter */
$session_counter_active++;
/* count all active users */
if (false === ($key = array_search($session_user_id, $user_ids_active))) {
$user_ids_active[] = $session_user_id;
}
/* if the same user has more than one session and this one is active then the user is not sleeping */
if (false !== ($key = array_search($session_user_id, $user_ids_sleeping))) {
unset($user_ids_sleeping[$key]);
}
continue;
}
/* determine user sessions which are sleeping */
if ($mtime >= ($active_interval_begin - $session_maxlifetime) && $mtime < $active_interval_begin) {
/* increase sleeping session counter */
$session_counter_sleeping++;
/* count all sleeping users if they have no active sessions */
if (!in_array($session_user_id, $user_ids_active) && !in_array($session_user_id, $user_ids_sleeping)) {
$user_ids_sleeping[] = $session_user_id;
}
continue;
}
/* count all user session declared as garbage */
if ($mtime < ($active_interval_begin - $session_maxlifetime)) {
$session_counter_garbage++;
}
}
}
}
$user_counter_active = cacti_count($user_ids_active);
$user_counter_sleeping = cacti_count($user_ids_sleeping);
/* close directory handle and destroy this session */
closedir($session_dir_handle);
}
}
if (session_id()) {
session_destroy();
}
}
print
'valid:' . $user_logins_valid .
' invalid:' . $user_logins_invalid .
' active:' . $session_counter_active .
' sleeping:' . $session_counter_sleeping .
' garbage:' . $session_counter_garbage .
' uactive:' . $user_counter_active .
' usleeping:' . $user_counter_sleeping;
function get_session_save_path() {
if (session_save_path() !== '') {
/* if default temp path is not in use */
return realpath(session_save_path());
} elseif (function_exists('sys_get_temp_dir')) {
/* this requires PHP > 5.2.1 */
return realpath(sys_get_temp_dir());
} elseif ($temp=getenv('TMP') | $temp=getenv('TEMP') | $temp=getenv('TMPDIR')) {
/* try to use environment variables */
return $temp;
} else {
/* try to create a temp file */
$temp=tempnam(__FILE__,'');
if (file_exists($temp)) {
unlink($temp);
return dirname($temp);
}
return false;
}
}
|
