X-Git-Url: https://git.ralfj.de/saartuer.git/blobdiff_plain/8b136f42bf0c83f8aee52c315f7dbebc371cce1b..ae16fc79ab4455d5dd0bc79c73066ce61157362a:/statemachine.py diff --git a/statemachine.py b/statemachine.py index b3d1e2a..70f9fe3 100644 --- a/statemachine.py +++ b/statemachine.py @@ -1,18 +1,40 @@ -from libtuer import ThreadFunction, logger +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 -def play_sound (what): - print ("I would now play the sound %s... IF I HAD SOUNDS!" % what) +# StateClosing constants +CLOSE_REPEAT_TIMEOUT = 8 +CLOSE_REPEAT_NUMBER = 3 # StateAboutToOpen constants -ABOUTOPEN_NERVLIST = [(5, lambda : play_sound("heydrückdenknopf.mp3")), (10, lambda:play_sound("alterichmeinsernst.mp3"))] -# TODO: erzeuge mehr nerv +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"))] + +# StateAuf constants +# time that must pass between two bell_ringing events to buzz the door again (seconds) +AUF_BELLBUZZ_REPEAT_TIME = 2 + +# play_sound constants +SOUNDS_DIRECTORY = "/opt/tuer/sounds/" +SOUNDS_PLAYER = "/usr/bin/mplayer" + class StateMachine(): # commands you can send @@ -27,6 +49,7 @@ class StateMachine(): self.state_machine = state_machine self.time_entered = time.time() self.theDict = None + self.last_wakeup = self.time_entered def handle_pins_event(self): pass # one needn't implement this def handle_buzz_event(self,arg): # this shouldn't be overwritten @@ -36,12 +59,12 @@ class StateMachine(): 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 + self.last_wakeup = time.time() def pins(self): return self.state_machine.pins def actor(self): return self.state_machine.actor - def handle_event(self,ev,arg): + def handle_event(self,ev,arg): # don't override if arg is CMD_PINS: self.handle_pins_event() elif arg is CMD_BUZZ: @@ -54,9 +77,8 @@ class StateMachine(): raise Exception("Unknown command number: %d" % ev) class StateStart(State): - def __init__(self, sm): - State.__init__(self,sm) def handle_pins_event(self): + super().handle_pins_event() thepins = self.pins() for pin in thepins: if pin is None: @@ -67,19 +89,20 @@ class StateMachine(): return StateAuf class StateZu(State): - def __init__(self,sm): - State.__init__(self,sm) def handle_pins_event(self): + super().handle_pins_event() pins = self.pins() if not pins.door_locked: return StateAboutToOpen(self.state_machine) def handle_open_event(self,callback): + # intentionally not calling super() implementation return StateOpening(callback,self.state_machine) class StateOpening(State): def __init__(self,callback,sm): - State.__init__(self,sm) + super().__init__(self,sm) self.callbacks=[callback] + # FIXME: can we send "202 processing: Trying to open the door" here? Are the callbacks multi-use? self.tries = 0 self.actor().act(Actor.CMD_OPEN) def notify(self, did_it_work): @@ -88,13 +111,17 @@ class StateMachine(): if cb is not None: cb(s) def handle_pins_event(self): + super().handle_pins_event() pins = self.pins() if not pins.door_locked: self.notify(True) return StateAboutToOpen(self.state_machine) def handle_open_event(self,callback): + # intentionally not calling super() implementation + # FIXME: 202 notification also here if possible self.callbacks.append(callback) def handle_wakeup_event(self): + super().handle_wakeup_event() over = time.time() - self.time_entered nexttry = (self.tries+1) * OPEN_REPEAT_TIMEOUT if over > nexttry: @@ -102,46 +129,103 @@ class StateMachine(): self.actor().act(Actor.CMD_OPEN) self.tries += 1 else: - #TODO: LOG ERROR und EMAIL an Admins + logger.critical("Couldn't open door after %d tries. Going back to StateZu." % OPEN_REPEAT_NUMBER) self.notify(False) return StateZu(self.state_machine) - class StateAboutToOpen(State): - def __init__(self, sm): - State.__init__(sm) + class AbstractStateWhereOpeningIsRedundant(State): + def handle_open_event(self, callback): + # intentionally not calling super() implementation + callback("299 redundant: Space seems to be already open. Still processing your request tough.") + logger.warning("Received OPEN command in StateAboutToOpen. This should not be necessary.") + self.actor().act(Actor.CMD_OPEN) + + class StateAboutToOpen(AbstractStateWhereOpeningIsRedundant): def handle_pins_event(self): + super().handle_pins_event() 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 + def handle_wakeup_event(self): + super().handle_wakeup_event() + now = time.time() + lasttime = self.last_wakeup - self.time_entered + thistime = now - self.time_entered + for (t,f) in filter(lambda (t,f): t<=thistime and t>lasttime, ABOUTOPEN_NERVLIST): + ret = f(); + if ret is not None: + return ret - class StateAuf(State): - #TODO - pass + class StateAuf(AbstractStateWhereOpeningIsRedundant): + def __init__(self,sm): + super().__init__(sm) + self.last_buzzed = None + def handle_pins_event(self): + super().handle_pins_event() + pins = self.pins() + if pins.bell_ringing: + now = time.time() + if self.last_buzzed is None or now-self.last_buzzed < AUF_BELLBUZZ_REPEAT_TIME: + logger.info("buzzing because of bell ringing in state auf") + self.actor().act(Actor.CMD_BUZZ) + self.last_buzzed = now + if not pins.space_active: + logger.info("space switch off - starting leaving procedure") + return StateAboutToLeave(self.state_machine) + if pins.door_locked: + logger.error("door manually locked, but space switch on - going to StateZu") + play_sound("manual_lock") + return StateZu(self.state_machine) + # handle_wakeup_event intentionally not overwritten class StateClosing(State): - #TODO - pass + # TODO: share code with StateOpening, and possibly also with the nerv-mechanism from StateAboutToOpen + def __init__(self,callback,sm): + super().__init__(sm) + self.callbacks=[callback] + # FIXME: can we send "202 processing: Trying to close the door" here? Are the callbacks multi-use? + self.tries = 0 + self.actor().act(Actor.CMD_CLOSE) + def notify(self, did_it_work): + s = "200 okay: door closed" if did_it_work else ("500 internal server error: Couldn't close door with %d tries à %f seconds" % (CLOSE_REPEAT_NUMBER,CLOSE_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): + callback("409 conflict: The server is currently trying to close the door. Try again later.") + def handle_wakeup_event(self): + over = time.time() - self.time_entered + nexttry = (self.tries+1) * CLOSE_REPEAT_TIMEOUT + if over > nexttry: + if self.tries < CLOSE_REPEAT_NUMBER: + self.actor().act(Actor.CMD_CLOSE) + self.tries += 1 + else: + logger.critical("Couldn't close door after %d tries. Going back to StateAboutToOpen." % CLOSE_REPEAT_NUMBER) + self.notify(False) + return StateAboutToOpen(self.state_machine) class StateAboutToLeave(State): - #TODO + #TODO Ralf pass class StateLeaving(State): - #TODO + #TODO Ralf pass def __init__(self, actor): self.actor = actor self.callback = ThreadFunction(self._callback) - self.current_state = None + self.current_state = StateStart(self) self.pins = None + self.old_pins = None def stop (self): self.callback.stop() @@ -152,6 +236,7 @@ class StateMachine(): self.pins = arg # handle stuff newstate = self.current_state.handle_event(cmd,arg) # returns None or an instance of the new state + self.old_pins = self.pins # FIXME not used? while newstate is not None: logger.info("StateMachine: new state = %s" % newstate.__class__.__name__) self.current_state = newstate