X-Git-Url: https://git.ralfj.de/saartuer.git/blobdiff_plain/1b72ccf6bcd0f5f1efbbeb39023be4c8fda0ad96..a7c0b8e1ba3fc6170f14bb0c964e5ac9e9ba4881:/statemachine.py?ds=inline diff --git a/statemachine.py b/statemachine.py deleted file mode 100644 index 82665e3..0000000 --- a/statemachine.py +++ /dev/null @@ -1,172 +0,0 @@ -from libtuer import ThreadFunction, logger, fire_and_forget -from actor import Actor -import os, random - -# logger.{debug,info,warning,error,critical} - -def play_sound (what): - try: - soundfiles = os.listdir(SOUNDS_DIRECTORY+what) - except FileNotFoundError: - logger.error("StateMachine: Unable to list sound files in %s" % (SOUNDS_DIRECTORY+what)) - return - soundfile = SOUNDS_DIRECTORY + what + '/' + random.choice(soundfiles) - fire_and_forget ([SOUNDS_PLAYER,soundfile], logger.error, "StateMachine: ") - - -# StateOpening constants -OPEN_REPEAT_TIMEOUT = 8 -OPEN_REPEAT_NUMBER = 3 - -# StateAboutToOpen constants -ABOUTOPEN_NERVLIST = [(5, lambda : play_sound("flipswitch")), (10, lambda:play_sound("flipswitch")), (10, lambda:Logger.warning("Space open but switch not flipped for 10 seconds")),\ - (20, lambda:play_sound("flipswitch")), (30, lambda:play_sound("flipswitch")), (30, lambda:Logger.error("Space open but switch not flipped for 30 seconds")),\ - (40, lambda:play_sound("flipswitch")), (50, lambda:play_sound("flipswitch")), (56, lambda:play_sound("flipswitch")), (60, lambda:Logger.critical("Space open but switch not flipped for 60 seconds"))] - -# play_sound constants -SOUNDS_DIRECTORY = "/opt/tuer/sounds/" -SOUNDS_PLAYER = "/usr/bin/mplayer" - - -class StateMachine(): - # commands you can send - CMD_PINS = 0 - CMD_BUZZ = 1 - CMD_OPEN = 2 - CMD_WAKEUP = 3 - CMD_LAST = 4 - - class State(): - def __init__(self, state_machine): - self.state_machine = state_machine - self.time_entered = time.time() - self.theDict = None - def handle_pins_event(self): - pass # one needn't implement this - def handle_buzz_event(self,arg): # this shouldn't be overwritten - self.actor.act(Actor.CMD_BUZZ) - arg("200 okay: buzz executed") - def handle_open_event(self,arg): - if arg is not None: - arg("412 Precondition Failed: The current state (%s) cannot handle the OPEN event" % self.__class__.__name__) - def handle_wakeup_event(self): - pass # one needn't implement this - def pins(self): - return self.state_machine.pins - def actor(self): - return self.state_machine.actor - def handle_event(self,ev,arg): - if arg is CMD_PINS: - self.handle_pins_event() - elif arg is CMD_BUZZ: - self.handle_buzz_event(arg) - elif arg is CMD_OPEN: - self.handle_open_event(arg) - elif arg is CMD_WAKEUP: - self.handle_wakeup_event() - else: - raise Exception("Unknown command number: %d" % ev) - - class StateStart(State): - def __init__(self, sm): - State.__init__(self,sm) - def handle_pins_event(self): - thepins = self.pins() - for pin in thepins: - if pin is None: - return None - if thepins.door_locked: - return StateZu - else: - return StateAuf - - class StateZu(State): - def __init__(self,sm): - State.__init__(self,sm) - def handle_pins_event(self): - pins = self.pins() - if not pins.door_locked: - return StateAboutToOpen(self.state_machine) - def handle_open_event(self,callback): - return StateOpening(callback,self.state_machine) - - class StateOpening(State): - def __init__(self,callback,sm): - State.__init__(self,sm) - self.callbacks=[callback] - self.tries = 0 - self.actor().act(Actor.CMD_OPEN) - def notify(self, did_it_work): - s = "200 okay: door open" if did_it_work else ("500 internal server error: Couldn't open door with %d tries à %f seconds" % (OPEN_REPEAT_NUMBER,OPEN_REPEAT_TIMEOUT)) - for cb in self.callbacks: - if cb is not None: - cb(s) - def handle_pins_event(self): - pins = self.pins() - if not pins.door_locked: - self.notify(True) - return StateAboutToOpen(self.state_machine) - def handle_open_event(self,callback): - self.callbacks.append(callback) - def handle_wakeup_event(self): - over = time.time() - self.time_entered - nexttry = (self.tries+1) * OPEN_REPEAT_TIMEOUT - if over > nexttry: - if self.tries < OPEN_REPEAT_NUMBER: - self.actor().act(Actor.CMD_OPEN) - self.tries += 1 - else: - #TODO: LOG ERROR und EMAIL an Admins - self.notify(False) - return StateZu(self.state_machine) - - class StateAboutToOpen(State): - def __init__(self, sm): - State.__init__(sm) - def handle_pins_event(self): - pins = self.pins() - if pins.door_locked: - return StateZu(self.state_machine) - elif pins.space_active: - return StateAuf(self.state_machine) - else: - over = time.time() - self.time_entered - # TODO: Nerv - logger.debug("AboutToOpen since %f seconds. TODO: nerv the user" % over) - # TODO Conny - - class StateAuf(State): - #TODO Conny - pass - - class StateClosing(State): - #TODO Ralf/Conny - pass - - class StateAboutToLeave(State): - #TODO Ralf - pass - - class StateLeaving(State): - #TODO Ralf - pass - - def __init__(self, actor): - self.actor = actor - self.callback = ThreadFunction(self._callback) - self.current_state = None - self.pins = None - - def stop (self): - self.callback.stop() - - def _callback(self, cmd, arg=None): - # update pins - if cmd == StateMachine.CMD_PINS: - self.pins = arg - # handle stuff - newstate = self.current_state.handle_event(cmd,arg) # returns None or an instance of the new state - while newstate is not None: - logger.info("StateMachine: new state = %s" % newstate.__class__.__name__) - self.current_state = newstate - newstate = self.current_state.handle_event(StateMachine.CMD_PINS, self.pins)