+ if idler.finished():
+ choose_idler()
+ vstatus.time_of_next_idler = time() + 30
+ nextidle = idler.next()
+ if nextidle is None:
+ nextidle = IDLE_SPEED
+ vstatus.time_of_next_idlestep = time()+nextidle
+
+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.last_timeout_refresh = None
+
+ def change_state(self,newstate,newcounter=None):
+ if self.state != newstate:
+ #print "Changing state from: ",
+ #print self.state,
+ #print " to ",
+ #print newstate
+ self.state = newstate
+
+ if newcounter is not None and self.counter != newcounter:
+ #print "Changing counter from: ",
+ #print self.counter,
+ #print " to ",
+ #print newcounter
+ self.counter = newcounter
+
+
+
+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 = ''
+
+ reset_idler(v, vstatus)
+
+ ### 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
+
+ ## 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 = ''
+
+ vstatus.mk.set_messages([(center('BYE!'), False, 1.5)])
+ reset_idler(v, vstatus, 2)
+ 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 DRINK?')
+ if ((os.system('su - "%s" -c "dispense %s"'%(vstatus.username, vstatus.cur_selection[0])) >> 8) != 0):
+ v.display('SEEMS NOT')
+ else:
+ v.display('GOT DRINK!')
+ else:
+ # first see if it's a named slot
+ try:
+ price, shortname, name = get_snack( vstatus.cur_selection )
+ except:
+ price, shortname, name = get_snack( '--' )
+ dollarprice = "$%.2f" % ( price / 100.0 )
+ v.display(vstatus.cur_selection+' - %s'%dollarprice)
+ exitcode = os.system('su - "%s" -c "dispense give oday %d"'%(vstatus.username, price)) >> 8
+ if (exitcode == 0):
+ # magic dispense syslog service
+ syslog.syslog(syslog.LOG_INFO | syslog.LOG_LOCAL4, "vended %s (slot %s) for %s" % (name, vstatus.cur_selection, vstatus.username))
+ v.vend(vstatus.cur_selection)
+ v.display('THANK YOU')
+ else:
+ syslog.syslog(syslog.LOG_INFO | syslog.LOG_LOCAL4, "failed vending %s (slot %s) for %s (code %d)" % (name, vstatus.cur_selection, vstatus.username, exitcode))
+ 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 = ''
+ reset_idler(v, vstatus)
+
+ return
+ vstatus.cur_pin = ''
+ vstatus.mk.set_message('PIN: ')
+ return
+ vstatus.cur_pin += chr(key + ord('0'))
+ vstatus.mk.set_message('PIN: '+'X'*len(vstatus.cur_pin))
+ if len(vstatus.cur_pin) == PIN_LENGTH:
+ vstatus.username = verify_user_pin(int(vstatus.cur_user), int(vstatus.cur_pin))
+ if vstatus.username:
+ v.beep(0, False)
+ vstatus.cur_selection = ''
+ vstatus.change_state(STATE_GET_SELECTION)
+ scroll_options(vstatus.username, vstatus.mk, True)
+ return
+ else:
+ v.beep(40, False)
+ vstatus.mk.set_messages(
+ [(center('BAD PIN'), False, 1.0),
+ (center('SORRY'), False, 0.5)])
+ vstatus.cur_user = ''
+ vstatus.cur_pin = ''
+
+ reset_idler(v, vstatus, 2)
+
+ return
+
+
+def handle_getting_uid_key(state, event, params, v, vstatus):
+ #print "handle_getting_uid_key (s,e,p)", state, " ", event, " ", params
+ key = params
+ # complicated key handling here:
+ if len(vstatus.cur_user) < 5:
+ if key == 11:
+ vstatus.cur_user = ''
+
+ reset_idler(v, vstatus)
+ return
+
+ vstatus.cur_user += chr(key + ord('0'))
+ vstatus.mk.set_message('UID: '+vstatus.cur_user)
+
+ if len(vstatus.cur_user) == 5:
+ uid = int(vstatus.cur_user)
+ if uid == 0:
+ logging.info('user '+vstatus.cur_user+' has a bad PIN')
+ pfalken="""
+CARRIER DETECTED
+
+CONNECT 128000
+
+Welcome to Picklevision Sytems, Sunnyvale, CA
+
+Greetings Professor Falken.
+
+
+
+
+Shall we play a game?
+
+
+Please choose from the following menu:
+
+1. Tic-Tac-Toe
+2. Chess
+3. Checkers
+4. Backgammon
+5. Poker
+6. Toxic and Biochemical Warfare
+7. Global Thermonuclear War
+
+7 [ENTER]
+
+Wouldn't you prefer a nice game of chess?
+
+""".replace('\n',' ')
+ vstatus.mk.set_messages([(pfalken, False, 10)])
+ vstatus.cur_user = ''
+ vstatus.cur_pin = ''
+
+ reset_idler(v, vstatus, 10)
+
+ return
+
+ if not has_good_pin(uid):
+ logging.info('user '+vstatus.cur_user+' has a bad PIN')
+ vstatus.mk.set_messages(
+ [(' '*10+'INVALID PIN SETUP'+' '*11, False, 3)])
+ vstatus.cur_user = ''
+ vstatus.cur_pin = ''
+
+ reset_idler(v, vstatus, 3)
+
+ return
+
+
+ vstatus.cur_pin = ''
+ vstatus.mk.set_message('PIN: ')
+ logging.info('need pin for user %s'%vstatus.cur_user)
+ vstatus.change_state(STATE_GETTING_PIN)
+ return
+
+
+def handle_idle_key(state, event, params, v, vstatus):
+ #print "handle_idle_key (s,e,p)", state, " ", event, " ", params
+
+ key = params
+
+ if key == 11:
+ vstatus.cur_user = ''
+ reset_idler(v, vstatus)
+ return
+
+ vstatus.change_state(STATE_GETTING_UID)
+ run_handler(event, key, v, vstatus)
+
+
+def handle_idle_tick(state, event, params, v, vstatus):
+ ### State idling
+ if vstatus.mk.done():
+ idle_step(vstatus)
+
+ if vstatus.time_of_next_idler and time() > vstatus.time_of_next_idler:
+ vstatus.time_of_next_idler = time() + 30
+ choose_idler()
+
+ ###
+
+ vstatus.mk.update_display()
+
+ vstatus.change_state(STATE_GRANDFATHER_CLOCK)
+ run_handler(event, params, v, vstatus)
+ sleep(0.05)
+
+def beep_on(when, before=0):
+ start = int(when - before)
+ end = int(when)
+ now = int(time())
+
+ if now >= start and now <= end:
+ return 1
+ return 0
+
+def handle_idle_grandfather_tick(state, event, params, v, vstatus):
+ ### check for interesting times
+ now = localtime()
+
+ quarterhour = mktime([now[0],now[1],now[2],now[3],15,0,now[6],now[7],now[8]])
+ halfhour = mktime([now[0],now[1],now[2],now[3],30,0,now[6],now[7],now[8]])
+ threequarterhour = mktime([now[0],now[1],now[2],now[3],45,0,now[6],now[7],now[8]])
+ fivetothehour = mktime([now[0],now[1],now[2],now[3],55,0,now[6],now[7],now[8]])
+
+ hourfromnow = localtime(time() + 3600)
+
+ #onthehour = mktime([now[0],now[1],now[2],now[3],03,0,now[6],now[7],now[8]])
+ onthehour = mktime([hourfromnow[0],hourfromnow[1],hourfromnow[2],hourfromnow[3], \
+ 0,0,hourfromnow[6],hourfromnow[7],hourfromnow[8]])
+
+ ## check for X seconds to the hour
+ ## if case, update counter to 2
+ if beep_on(onthehour,15) \
+ or beep_on(halfhour,0) \
+ or beep_on(quarterhour,0) \
+ or beep_on(threequarterhour,0) \
+ or beep_on(fivetothehour,0):
+ vstatus.change_state(STATE_GRANDFATHER_CLOCK,2)
+ run_handler(event, params, v, vstatus)
+ else:
+ vstatus.change_state(STATE_IDLE)
+
+def handle_grandfather_tick(state, event, params, v, vstatus):
+ go_idle = 1
+
+ msg = []
+ ### we live in interesting times
+ now = localtime()
+
+ quarterhour = mktime([now[0],now[1],now[2],now[3],15,0,now[6],now[7],now[8]])
+ halfhour = mktime([now[0],now[1],now[2],now[3],30,0,now[6],now[7],now[8]])
+ threequarterhour = mktime([now[0],now[1],now[2],now[3],45,0,now[6],now[7],now[8]])
+ fivetothehour = mktime([now[0],now[1],now[2],now[3],55,0,now[6],now[7],now[8]])
+
+ hourfromnow = localtime(time() + 3600)
+
+# onthehour = mktime([now[0],now[1],now[2],now[3],03,0,now[6],now[7],now[8]])
+ onthehour = mktime([hourfromnow[0],hourfromnow[1],hourfromnow[2],hourfromnow[3], \
+ 0,0,hourfromnow[6],hourfromnow[7],hourfromnow[8]])
+
+
+ #print "when it fashionable to wear a onion on your hip"
+
+ if beep_on(onthehour,15):
+ go_idle = 0
+ next_hour=((hourfromnow[3] + 11) % 12) + 1
+ if onthehour - time() < next_hour and onthehour - time() > 0:
+ v.beep(0, False)
+
+ t = int(time())
+ if (t % 2) == 0:
+ msg.append(("DING!", False, None))
+ else:
+ msg.append((" DING!", False, None))
+ elif int(onthehour - time()) == 0:
+ v.beep(255, False)
+ msg.append((" BONG!", False, None))
+ msg.append((" IT'S "+ str(next_hour) + "O'CLOCK AND ALL IS WELL .....", False, TEXT_SPEED*4))
+ elif beep_on(halfhour,0):
+ go_idle = 0
+ v.beep(0, False)
+ msg.append((" HALFHOUR ", False, 50))
+ elif beep_on(quarterhour,0):
+ go_idle = 0
+ v.beep(0, False)
+ msg.append((" QTR HOUR ", False, 50))
+ elif beep_on(threequarterhour,0):
+ go_idle = 0
+ v.beep(0, False)
+ msg.append((" 3 QTR HR ", False, 50))
+ elif beep_on(fivetothehour,0):
+ go_idle = 0
+ v.beep(0, False)
+ msg.append(("Quick run to your lectures! Hurry! Hurry!", False, TEXT_SPEED*4))
+ else:
+ go_idle = 1
+
+ ## check for X seconds to the hour
+
+ if len(msg):
+ vstatus.mk.set_messages(msg)
+ sleep(1)
+
+ vstatus.mk.update_display()
+ ## if no longer case, return to idle
+
+ ## change idler to be clock
+ if go_idle and vstatus.mk.done():
+ vstatus.change_state(STATE_IDLE,1)
+
+def handle_door_idle(state, event, params, v, vstatus):
+ # don't care right now.
+ pass
+
+def handle_door_event(state, event, params, v, vstatus):
+ if params == 1: #door open
+ vstatus.change_state(STATE_DOOR_OPENING)
+ logging.warning("Entering open door mode")
+ v.display("-FEED ME-")
+ #door_open_mode(v);
+ vstatus.cur_user = ''
+ vstatus.cur_pin = ''
+ elif params == 0: #door closed
+ vstatus.change_state(STATE_DOOR_CLOSING)
+ reset_idler(v, vstatus, 3)
+
+ logging.warning('Leaving open door mode')
+ v.display("-YUM YUM!-")
+
+def return_to_idle(state,event,params,v,vstatus):
+ reset_idler(v, vstatus)
+
+def create_state_table(vstatus):
+ vstatus.state_table[(STATE_IDLE,TICK,1)] = handle_idle_tick
+ vstatus.state_table[(STATE_IDLE,KEY,1)] = handle_idle_key
+ vstatus.state_table[(STATE_IDLE,DOOR,1)] = handle_door_event
+
+ vstatus.state_table[(STATE_DOOR_OPENING,TICK,1)] = handle_door_idle
+ vstatus.state_table[(STATE_DOOR_OPENING,DOOR,1)] = handle_door_event
+ vstatus.state_table[(STATE_DOOR_OPENING,KEY,1)] = do_nothing
+
+ vstatus.state_table[(STATE_DOOR_CLOSING,TICK,1)] = return_to_idle
+ vstatus.state_table[(STATE_DOOR_CLOSING,DOOR,1)] = handle_door_event
+ vstatus.state_table[(STATE_DOOR_CLOSING,KEY,1)] = do_nothing
+
+ vstatus.state_table[(STATE_GETTING_UID,TICK,1)] = handle_getting_uid_idle
+ vstatus.state_table[(STATE_GETTING_UID,DOOR,1)] = do_nothing
+ vstatus.state_table[(STATE_GETTING_UID,KEY,1)] = handle_getting_uid_key
+
+ vstatus.state_table[(STATE_GETTING_PIN,TICK,1)] = handle_getting_pin_idle
+ vstatus.state_table[(STATE_GETTING_PIN,DOOR,1)] = do_nothing
+ vstatus.state_table[(STATE_GETTING_PIN,KEY,1)] = handle_getting_pin_key
+
+ vstatus.state_table[(STATE_GET_SELECTION,TICK,1)] = handle_get_selection_idle
+ vstatus.state_table[(STATE_GET_SELECTION,DOOR,1)] = do_nothing
+ vstatus.state_table[(STATE_GET_SELECTION,KEY,1)] = handle_get_selection_key
+
+ vstatus.state_table[(STATE_GRANDFATHER_CLOCK,TICK,1)] = handle_idle_grandfather_tick
+ vstatus.state_table[(STATE_GRANDFATHER_CLOCK,TICK,2)] = handle_grandfather_tick
+ vstatus.state_table[(STATE_GRANDFATHER_CLOCK,DOOR,1)] = do_nothing
+ vstatus.state_table[(STATE_GRANDFATHER_CLOCK,DOOR,2)] = do_nothing
+ vstatus.state_table[(STATE_GRANDFATHER_CLOCK,KEY,1)] = do_nothing
+ vstatus.state_table[(STATE_GRANDFATHER_CLOCK,KEY,2)] = do_nothing
+
+def get_state_table_handler(vstatus, state, event, counter):
+ return vstatus.state_table[(state,event,counter)]
+
+def time_to_next_update(vstatus):
+ idle_update = vstatus.time_of_next_idlestep - time()
+ if not vstatus.mk.done() and vstatus.mk.next_update is not None:
+ mk_update = vstatus.mk.next_update - time()
+ if mk_update < idle_update:
+ idle_update = mk_update
+ return idle_update