public function newSwooleHttpServer()
 {
     if (!self::$serverInstance || !self::$serverInstance instanceof swoole_http_server) {
         self::$serverInstance = new swoole_http_server($this->serverHost, $this->serverPort);
     }
     return self::$serverInstance;
 }
 public function newHttpServer()
 {
     if (!self::$serverInstance || !self::$serverInstance instanceof Worker) {
         //            self::$serverInstance = new swoole_http_server($this->serverHost, $this->serverPort);
         self::$serverInstance = new Worker('http://' . $this->serverHost . ':' . $this->serverPort);
     }
     return self::$serverInstance;
 }