def action(self, **kwa):
        if self.stack.value and isinstance(self.stack.value, LaneStack):
            self.stack.value.server.close()
This method is called in the ioloop thread when a message arrives.
dataset/ETHPy150Open saltstack/salt/salt/daemons/flo/core.py/SaltRaetLaneStackCloser.action--crossover with--dataset/ETHPy150Open ipython/ipython-py3k/IPython/zmq/kernelmanager.py/SubSocketChannel.call_handlers