def register_receive_callback(self, callback):
        if callback not in self._recv_callbacks:
            self._recv_callbacks.append(callback)
Send a command to the modjk loadbalancer
dataset/ETHPy150Open mne-tools/mne-python/mne/realtime/client.py/RtClient.register_receive_callback--crossover with--dataset/ETHPy150Open saltstack/salt/salt/states/modjk_worker.py/_send_command