function ret($msg = NULL)
{
always_pre(get_defined_vars());
if (empty($msg)) {
$msg = debug_backtrace();
}
$ret['log'] = $this->log;
$ret['msg'] = $msg;
always_pre($ret);
exit;
}
function poll()
{
always_pre(get_defined_vars());
$this->args = $this->sanitize_input();
// always_pre(json_encode($args));
extract($this->args);
if (empty($id) || empty($last_updated) || empty($player_id)) {
throw new Exception('Required arg missing from id|last_update|player_id');
}
$this->register_game_activity($id, $player_id);
//Max execution time: 25s
while (time() - $this->start_time < 25) {
$update = $this->check_state_changes($id, $last_updated);
if (!is_null($update)) {
$this->ret($update);
}
$this->log[microtime()] = 'continuing';
usleep(100000);
continue;
}
$this->ret('timeout');
}