+++ /dev/null
-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
-
- class StateAuf(State):
- #TODO
- pass
-
- class StateClosing(State):
- #TODO
- pass
-
- class StateAboutToLeave(State):
- #TODO
- pass
-
- class StateLeaving(State):
- #TODO
- 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)