MyQEE\Server\RPC\Server::call PHP Method

    protected function call($fd, $fromId, \stdClass $data)
    {
        $rpc = $data->rpc ?: static::$defaultRPC;
        try {
            if (isset(RPC::$__instance[$rpc][$fd])) {
                # 复用已经存在的对象
                $class = RPC::$__instance[$rpc][$fd];
            } else {
                $class = new $rpc($fd, $fromId);
                if (!$class instanceof RPC) {
                    throw new \Exception("class {$rpc} not allow call by rpc");
                }
            }
            $name = trim((string) $data->name);
            $args = $data->args;
            if ($name[0] === '_') {
                throw new \Exception("{$name} not allowed to call");
            }
            switch ($data->type) {
                case 'fun':
                    if (in_array(strtolower($name), static::$forbiddenAction)) {
                        throw new \Exception("{$name} not allowed to call");
                    }
                    $rs = call_user_func_array([$class, $name], $args ?: []);
                    break;
                case 'set':
                    $class->{$name} = $args;
                    $rs = true;
                    break;
                case 'get':
                    $rs = $class->{$name};
                    break;
                default:
                    throw new \Exception("undefined type {$data->type}");
            }
            if ($class->isClosedByServer()) {
                # 已经在程序里被关闭连接了
                return;
            }
        } catch (\Exception $e) {
            $rs = new \stdClass();
            $rs->type = 'error';
            $rs->code = $e->getCode();
            $rs->msg = $e->getMessage();
        }
        if (is_object($rs) && $rs instanceof Result) {
            $string = $rs->data;
            $call = true;
        } else {
            $string = $rs;
            $call = false;
        }
        /**
         * @var RPC $rpc
         */
        $key = $rpc::_getRpcKey();
        $string = $key ? self::encrypt($string, $key) : msgpack_pack($string);
        $status = $this->server->send($fd, $string, $fromId);
        if ($call) {
            /**
             * @var Result $rs
             */
            if (false === $status) {
                $rs->trigger('error');
            } else {
                $rs->trigger('success');
            }
            $rs->trigger('complete');
        }
    }