def test_stop(self):
Control.stop(1)
# Validate...
a, b, path = Control.get_last_set_data()
self.assertFalse(a)
self.assertFalse(b)
self.assertEqual(1, path)
def run(self):
"""The thread `run()` method. We simply sit on the back-end of the
queue and process actions as they arrive. The `terminate` action
causes the `run()` method to exit.
As actions are processed the number of pending (put but unprocessed)
actions is decremented."""
while self.running:
# Get from the queue, blocking until something is retrieved.
item = self.action_queue.get()
assert isinstance(item, PathAction),\
"Invalid object on action_queue (%s)" % item
# Process the action...
if item == PathAction.go:
# Traffic to be set to 'go' on this path
Control.go(self.path)
elif item == PathAction.stop:
# Traffic to be set to 'stop' on this path
Control.stop(self.path)
elif item == PathAction.terminate:
# The 'kill' event -
# stop processing and exit the run-loop
self.running = False
# The action has been processed,
# safely decrement the number of pending actions.
self._dec_pending()
