function main($server_cfg)
{
$game_cfg = null;
$options = getopt("g:n:p:");
//
// parameters needed to read zrt varaibles;
// such as XHPRO_ENABLE_IPLIST
//
$parameters['product'] = $options['p'];
$parameters['namespace'] = $options['n'];
if (isset($options['g'])) {
$game_cfg = load_game_config($options['g']);
} else {
echo "pass game name as parameter with option -g";
exit(Monitor::UNKNOWN);
}
if (!isset($game_cfg)) {
echo "game configuration is not loaded";
exit(Monitor::UNKNOWN);
}
$time_slot = (int) (time() / 1800);
$monitor = new Monitor($server_cfg, $game_cfg);
$result = $monitor->monitor_metrics($time_slot - 1, $parameters);
exit($result);
}