+idlers = []
+idler = None
+
+def setup_idlers(v):
+ global idlers, idler
+ idlers = [
+ GrayIdler(v),
+ StringIdler(v, text="Kill 'em all", repeat=False),
+ GrayIdler(v,one="*",zero="-"),
+ StringIdler(v, text=CREDITS),
+ GrayIdler(v,one="/",zero="\\"),
+ ClockIdler(v),
+ GrayIdler(v,one="X",zero="O"),
+ FileIdler(v, '/usr/share/common-licenses/GPL-2'),
+ GrayIdler(v,one="*",zero="-",reorder=1),
+ StringIdler(v, text=str(math.pi) + " "),
+ ClockIdler(v),
+ GrayIdler(v,one="/",zero="\\",reorder=1),
+ StringIdler(v, text=str(math.e) + " "),
+ GrayIdler(v,one="X",zero="O",reorder=1),
+ StringIdler(v, text=" I want some pizza - please call Pizza Hut Shenton Park on +61 8 9381 9979 - and order as Quinn - I am getting really hungry", repeat=False),
+ PipeIdler(v, "/usr/bin/ypcat", "passwd"),
+ FortuneIdler(v),
+ ClockIdler(v),
+ StringIdler(v),
+ TrainIdler(v),
+ ]
+ disabled = [
+ ]
+ idler = choose_idler()
+
+def choose_idler():
+ global idlers, idler
+ iiindex = 0
+
+ if idler:
+ iiindex = idlers.index(idler)
+
+ iilen = len(idlers)
+
+ move = int(random()*len(idlers)) + 1
+
+ while move >= 0:
+ idler = idlers[( (iiindex + 1) % iilen)]
+ move = move - idler.affinity()
+
+ idler.reset()
+
+def idle_step():
+ global idler
+ if idler.finished():
+ choose_idler()
+ idler.next()
+
+class VendState:
+ def __init__(self,v):
+ self.state_table = {}
+ self.state = STATE_IDLE
+ self.counter = 0
+
+ self.mk = MessageKeeper(v)
+ self.cur_user = ''
+ self.cur_pin = ''
+ self.username = ''
+ self.cur_selection = ''
+ self.time_to_autologout = None
+
+ self.time_to_idle = None
+
+ self.last_timeout_refresh = None
+
+
+
+def handle_tick_event(event, params, v, vstatus):
+ # don't care right now.
+ pass
+
+def handle_switch_event(event, params, v, vstatus):
+ # don't care right now.
+ pass
+
+
+def do_nothing(state, event, params, v, vstatus):
+ print "doing nothing (s,e,p)", state, " ", event, " ", params
+ pass
+
+def handle_getting_uid_idle(state, event, params, v, vstatus):
+ # don't care right now.
+ pass
+
+def handle_getting_pin_idle(state, event, params, v, vstatus):
+ # don't care right now.
+ pass
+
+def handle_get_selection_idle(state, event, params, v, vstatus):
+ # don't care right now.
+ ###
+ ### State logging out ..
+ if vstatus.time_to_autologout != None:
+ time_left = vstatus.time_to_autologout - time()
+ if time_left < 6 and (vstatus.last_timeout_refresh is None or vstatus.last_timeout_refresh > time_left):
+ vstatus.mk.set_message('LOGOUT: '+str(int(time_left)))
+ vstatus.last_timeout_refresh = int(time_left)
+ vstatus.cur_selection = ''
+
+ if vstatus.time_to_autologout != None and vstatus.time_to_autologout - time() <= 0:
+ vstatus.time_to_autologout = None
+ vstatus.cur_user = ''
+ vstatus.cur_pin = ''
+ vstatus.cur_selection = ''
+
+ idle_in(vstatus,2)
+ vstatus.state = STATE_IDLE
+
+ vstatus.mk.set_message(GREETING)
+
+ ### State fully logged out ... reset variables
+ if vstatus.time_to_autologout and not vstatus.mk.done():
+ vstatus.time_to_autologout = None
+ if vstatus.cur_user == '' and vstatus.time_to_autologout:
+ vstatus.time_to_autologout = None
+
+ ### State logged in
+ if len(vstatus.cur_pin) == PIN_LENGTH and vstatus.mk.done() and vstatus.time_to_autologout == None:
+ # start autologout
+ vstatus.time_to_autologout = time() + 15
+ vstatus.last_timeout_refresh = None
+
+ ### State logged out ... after normal logout??
+ # perhaps when logged in?
+ if vstatus.time_to_idle is not None and vstatus.cur_user != '':
+ vstatus.time_to_idle = None
+
+
+ ## FIXME - this may need to be elsewhere.....
+ # need to check
+ vstatus.mk.update_display()
+
+
+
+def handle_get_selection_key(state, event, params, v, vstatus):
+ key = params
+ if len(vstatus.cur_selection) == 0:
+ if key == 11:
+ vstatus.cur_pin = ''
+ vstatus.cur_user = ''
+ vstatus.cur_selection = ''
+
+ idle_in(vstatus,2)
+ vstatus.state = STATE_IDLE
+
+ vstatus.mk.set_messages(
+ [(center('BYE!'), False, 1.5),
+ (GREETING, False, None)])
+ return
+ vstatus.cur_selection += chr(key + ord('0'))
+ vstatus.mk.set_message('SELECT: '+vstatus.cur_selection)
+ vstatus.time_to_autologout = None
+ elif len(vstatus.cur_selection) == 1:
+ if key == 11:
+ vstatus.cur_selection = ''
+ vstatus.time_to_autologout = None
+ scroll_options(vstatus.username, vstatus.mk)
+ return
+ else:
+ vstatus.cur_selection += chr(key + ord('0'))
+ make_selection(v,vstatus)
+ vstatus.cur_selection = ''
+ vstatus.time_to_autologout = time() + 8
+ vstatus.last_timeout_refresh = None
+
+def make_selection(v, vstatus):
+ # should use sudo here
+ if vstatus.cur_selection == '55':
+ vstatus.mk.set_message('OPENSESAME')
+ logging.info('dispensing a door for %s'%vstatus.username)
+ if geteuid() == 0:
+ ret = os.system('su - "%s" -c "dispense door"'%vstatus.username)
+ else:
+ ret = os.system('dispense door')
+ if ret == 0:
+ logging.info('door opened')
+ vstatus.mk.set_message(center('DOOR OPEN'))
+ else:
+ logging.warning('user %s tried to dispense a bad door'%vstatus.username)
+ vstatus.mk.set_message(center('BAD DOOR'))
+ sleep(1)
+ elif vstatus.cur_selection == '91':
+ cookie(v)
+ elif vstatus.cur_selection == '99':
+ scroll_options(vstatus.username, vstatus.mk)
+ vstatus.cur_selection = ''
+ return
+ elif vstatus.cur_selection[1] == '8':
+ v.display('GOT COKE?')
+ if ((os.system('su - "%s" -c "dispense %s"'%(vstatus.username, vstatus.cur_selection[0])) >> 8) != 0):
+ v.display('SEEMS NOT')
+ else:
+ v.display('GOT COKE!')
+ else:
+ v.display(vstatus.cur_selection+' - $1.00')
+ if ((os.system('su - "%s" -c "dispense snack"'%(vstatus.username)) >> 8) == 0):
+ v.vend(vstatus.cur_selection)
+ v.display('THANK YOU')
+ else:
+ v.display('NO MONEY?')
+ sleep(1)
+
+
+def handle_getting_pin_key(state, event, params, v, vstatus):
+ #print "handle_getting_pin_key (s,e,p)", state, " ", event, " ", params
+ key = params
+ if len(vstatus.cur_pin) < PIN_LENGTH:
+ if key == 11:
+ if vstatus.cur_pin == '':
+ vstatus.cur_user = ''
+ vstatus.mk.set_message(GREETING)
+
+ idle_in(vstatus,5)
+ vstatus.state = STATE_IDLE