code: function(packet) {
          packet.status = packet.readInt(8);
          debug('<<< SERVER_STATUS', packet.status);
          this.emit('status', packet);
  
          // also we should respond with a status
          //  packet as a heartbeat, to maintain
          //  the connection. Anyone who doesn't
          //  want the connection maintained should
          //  properly close() it, like any other socket
          this.packets.newStatusPacket(0)
              .encrypted()
              .send(this);
      }
docs: server status