def _construct_fsm(self, states=PlatformDriverState,
events=PlatformDriverEvent,
enter_event=PlatformDriverEvent.ENTER,
exit_event=PlatformDriverEvent.EXIT):
"""
Constructs the FSM for the driver. The preparations here are mostly
related with the UNCONFIGURED, DISCONNECTED, and CONNECTED state
transitions, with some common handlers for the CONNECTED state.
Subclasses can override to indicate specific parameters and add new
handlers (typically for the CONNECTED state).
"""
log.debug("%r: constructing base platform driver FSM", self._platform_id)
self._fsm = ThreadSafeFSM(states, events, enter_event, exit_event)
for state in PlatformDriverState.list():
self._fsm.add_handler(state, enter_event, self._common_state_enter)
self._fsm.add_handler(state, exit_event, self._common_state_exit)
# UNCONFIGURED state event handlers:
self._fsm.add_handler(PlatformDriverState.UNCONFIGURED, PlatformDriverEvent.CONFIGURE, self._handler_unconfigured_configure)
# DISCONNECTED state event handlers:
self._fsm.add_handler(PlatformDriverState.DISCONNECTED, PlatformDriverEvent.CONNECT, self._handler_disconnected_connect)
self._fsm.add_handler(PlatformDriverState.DISCONNECTED, PlatformDriverEvent.DISCONNECT, self._handler_disconnected_disconnect)
# CONNECTED state event handlers:
self._fsm.add_handler(PlatformDriverState.CONNECTED, PlatformDriverEvent.DISCONNECT, self._handler_connected_disconnect)
self._fsm.add_handler(PlatformDriverState.CONNECTED, PlatformDriverEvent.CONNECTION_LOST, self._handler_connected_connection_lost)
self._fsm.add_handler(PlatformDriverState.CONNECTED, PlatformDriverEvent.PING, self._handler_connected_ping)
self._fsm.add_handler(PlatformDriverState.CONNECTED, PlatformDriverEvent.GET, self._handler_connected_get)
self._fsm.add_handler(PlatformDriverState.CONNECTED, PlatformDriverEvent.SET, self._handler_connected_set)
self._fsm.add_handler(PlatformDriverState.CONNECTED, PlatformDriverEvent.EXECUTE, self._handler_connected_execute)
def setUp(self):
self.fsm = ThreadSafeFSM(MyStates, MyEvents, MyEvents.ENTER, MyEvents.EXIT)
self.fsm.add_handler(MyStates.STATE_1, MyEvents.EVENT_1, self._handler_s1_e1)
self.fsm.add_handler(MyStates.STATE_1, MyEvents.EVENT_2, self._handler_s1_e2)
self.fsm.add_handler(MyStates.STATE_2, MyEvents.EVENT_1, self._handler_s2_e1)
self.fsm.add_handler(MyStates.STATE_2, MyEvents.EVENT_2, self._handler_s2_e2)
self.test_value = None
self.fsm.start(MyStates.STATE_1)
