def _send_tune_ok(self, channel_max, frame_max, heartbeat):
        args = AMQPWriter()
        args.write_short(channel_max)
        args.write_long(frame_max)
        args.write_short(heartbeat or 0)
        self._send_method(Method(spec.Connection.TuneOk, args))
        self._wait_tune_ok = False
Reboots, shuts down or powers up the host.
dataset/ETHPy150Open veegee/amqpy/amqpy/connection.py/Connection._send_tune_ok--crossover with--dataset/ETHPy150Open nii-cloud/dodai-compute/nova/api/openstack/contrib/hosts.py/HostController._host_power_action