<?php
class MQTTServer {
    private $disjunctor = 0;
    public function load() {
        $config_keys = ['ali_mqtt_disjunctor','ali_mqtt_accessKey'];
        $ali_mqtt = [];
            $this->disjunctor = $ali_mqtt['ali_mqtt_disjunctor'];
    }
    public function get_config() {
        return [
            'disjunctor' => $this->disjunctor,
        ];
    }
    protected function username() {
        return 'Signature|' . $this->accessKey . '|' . $this->instanceId;
    }
}