from .models import *
from threading import Thread


class MbService(Thread):
    def __init__(self, ip_addr):
        super().__init__()
        self._ip_addr = ip_addr

    def to_json(self):
        return {}


class MbTankService(MbService):
    def run(self):
        pass


class MbPumpService(MbService):
    def run(self):
        pass