<?php
/**
 * Observium
 *
 *   This file is part of Observium.
 *
 * @package        observium
 * @subpackage     discovery
 * @copyright  (C) Adam Armstrong
 *
 */

// FIXME. Migrate later to discover_pseudowire() & check_valid_pseudowire()
if (!$config['enable_pseudowires']) {
    return;
}

$valid['pseudowires'] = [];

// Pre-cache the existing state of pseudowires for this device from the database
$pws_cache  = [];
$pws_db_raw = dbFetchRows("SELECT * FROM `pseudowires` WHERE `device_id` = ?", [$device['device_id']]);
foreach ($pws_db_raw as $pw_db) {
    $pws_cache['pws_db'][$pw_db['mib']][$pw_db['pwIndex']]         = $pw_db;
    $pws_cache['pw_id_db'][$pw_db['mib']][$pw_db['pseudowire_id']] = $pw_db['pseudowire_id'];
}
unset($pws_db_raw);
unset($pw_db);

$include_dir = "includes/discovery/pseudowires";
include($config['install_dir'] . "/includes/include-dir-mib.inc.php");

// Cycle the list of pseudowires we cached earlier and make sure we saw them again.
//echo("PWS_DB: ".count($pws_cache['pws_db'])."\n"); var_dump($pws_cache['pws_db']);
//echo("PWS: ".count($pws_cache['pws'])."\n"); var_dump($pws_cache['pws']);
foreach ($pws_cache['pw_id_db'] as $mib => $pw) {
    foreach ($pw as $pw_id) {
        if (!isset($valid['pseudowires'][$mib][$pw_id])) {
            dbDelete('pseudowires', '`pseudowire_id` = ?', [$pw_id]);
            $GLOBALS['module_stats'][$module]['deleted']++;
        }
    }
}

$GLOBALS['module_stats'][$module]['status'] = safe_count($valid[$module]);
if (OBS_DEBUG && $GLOBALS['module_stats'][$module]['status']) {
    print_vars($valid[$module]);
}

// Clean
unset($pw, $pws_cache, $mib);

// EOF