<?php
    if(!DEFINED('EGP'))
        exit(header('Refresh: 0; URL=http://'.$_SERVER['SERVER_NAME'].'/404'));

    class scan_servers_load extends cron
    {
        function __construct()
        {
            global $cfg, $sql, $argv, $start_point;

            $servers = $argv;

            unset($servers[0], $servers[1], $servers[2]);

            $sql->query('SELECT `address` FROM `units` WHERE `id`="'.$servers[4].'" LIMIT 1');
            if(!$sql->num())
                return NULL;

            $unit = $sql->get();

            $game = $servers[3];

            unset($servers[3], $servers[4]);

            $sql->query('SELECT `unit` FROM `servers` WHERE `id`="'.$servers[5].'" LIMIT 1');
            $server = $sql->get();

            $sql->query('SELECT `address`, `passwd`, `ram` FROM `units` WHERE `id`="'.$server['unit'].'" LIMIT 1');
            $unit = $sql->get();

            include(LIB.'ssh.php');

            // Проверка ssh соедниения пу с локацией
            if(!$ssh->auth($unit['passwd'], $unit['address']))
                return NULL;

            foreach($servers as $id)
            {
                $sql->query('SELECT `uid`, `slots`, `hdd`, `ram`, `ram_use_max`, `cpu_use_max`, `core_fix`, `core_fix_one` `status` FROM `servers` WHERE `id`="'.$id.'" LIMIT 1');
                $server = $sql->get();

                if($server['core_fix'] AND $server['core_fix_one'])
                    continue;

                if(!in_array($server['status'], array('working', 'start', 'restart', 'change')))
                {
                    echo 'server#'.$id.' ('.$game.') -> load average: cpu = 0% / ram = 0% (no working)'.PHP_EOL;

                    continue;
                }

                $resources = array();

                for($n = 0; $n <= 2; $n+=1)
                {
                    $cr = explode('|', $ssh->get('top -u '.$server['uid'].' -b -n 1 | grep '.(cron::$process[$game]).' | awk \'{print $9"|"$10}\''));

                    $resources[$n]['cpu'] = isset($cr[0]) ? round(str_replace(',', '.', $cr[0])) : 0;

                    $resources[$n]['ram'] = isset($cr[1]) ? str_replace(',', '.', $cr[1]) : 0;
                    $ram = $server['ram'] ? $server['ram'] : $server['slots']*$cfg['ram'][$game];
                    $resources[$n]['ram'] = round($unit['ram']/100*$resources[$n]['ram']/($ram/100));

                    sleep(1);
                }

                $loads = array();

                foreach($resources as $n => $load)
                {
                    foreach($load as $type => $val)
                        $loads[$type] += $val;
                }

                $average_cpu = isset($loads['cpu']) ? $loads['cpu']/2 : 0;
                $average_ram = isset($loads['ram']) ? $loads['ram']/2 : 0;

                $max_cpu = $server['cpu_use_max'] ? $server['cpu_use_max'] : $cfg['cpu_use_max'][$game];
                $max_ram = $server['ram_use_max'] ? $server['ram_use_max'] : $cfg['ram_use_max'][$game];

                if($average_cpu > $max_cpu)
                {
                    exec('sh -c "cd /var/enginegp; php cron.php '.$cfg['cron_key'].' server_action restart '.$game.' '.$id.'"');

                    $sql->query('INSERT INTO `logs_sys` set `user`="0", `server`="'.$id.'", `text`="Перезагрука сервера: OVERLOAD^cpu = '.$average_cpu.'%", `time`="'.$start_point.'"');
                }elseif($average_ram > $max_ram){
                    exec('sh -c "cd /var/enginegp; php cron.php '.$cfg['cron_key'].' server_action restart '.$game.' '.$id.'"');

                    $sql->query('INSERT INTO `logs_sys` set `user`="0", `server`="'.$id.'", `text`="Перезагрука сервера: OVERLOAD^ram = '.$average_ram.'%", `time`="'.$start_point.'"');
                }
            }

            return NULL;
        }
    }
?>