#!/usr/local/bin/php
<?php

/*
 * Copyright (c) 2024 Franco Fichtner <franco@opnsense.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

require_once 'config.inc';
require_once 'util.inc';
require_once 'system.inc';
require_once 'interfaces.inc';

$gwnames = [];
$affected_gateways = !empty($argv[1]) ? explode(',', $argv[1]) : [];

foreach (return_gateways_status() as $status) {
    if ($status['status'] == 'down') {
        /* try to recover monitors stuck in down state ignoring "force_down" */
        $gwnames[] = $status['name'];
        if (!empty($status['monitor_killstates']) && in_array($status['name'], $affected_gateways)) {
            configdp_run('filter kill gateway_states', [$status['gateway']], true);
        }
    }
}

plugins_configure('monitor', true, [$gwnames]);
