KEY = 3
TICK = 4
+
+STATE_IDLE = 1
+STATE_DOOR_OPENING = 2
+STATE_DOOR_CLOSING = 3
+STATE_GETTING_UID = 4
+STATE_GETTING_PIN = 5
+STATE_GET_SELECTION = 6
+
class DispenseDatabaseException(Exception): pass
class DispenseDatabase:
logging.info('refused pin for uid %d'%(uid))
return None
-def door_open_mode(v):
- logging.warning("Entering open door mode")
- v.display("-FEED ME-")
- while True:
- e = v.next_event()
- if e == None: break
- (event, params) = e
- if event == TICK: break
-
- if event == DOOR:
- if params == 1: # door closed
- logging.warning('Leaving open door mode')
- v.display("-YUM YUM!-")
- sleep(1)
- return
def cookie(v):
seed(time())
StringIdler(v),
TrainIdler(v),
]
- disabled = [
+ disabled = [
]
idler = choose_idler()
def choose_idler():
- global idler
+ global idlers, idler
iiindex = 0
if idler:
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_door_event(event, params, v, vstatus):
- if params == 0:
- door_open_mode(v);
- vstatus.cur_user = ''
- vstatus.cur_pin = ''
- vstatus.mk.set_message(GREETING)
def handle_tick_event(event, params, v, vstatus):
# don't care right now.
# don't care right now.
pass
-def handle_key_event(event, params, v, vstatus):
+
+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
- # complicated key handling here:
- if len(vstatus.cur_user) < 5:
+ if len(vstatus.cur_selection) == 0:
if key == 11:
+ vstatus.cur_pin = ''
vstatus.cur_user = ''
- vstatus.mk.set_message(GREETING)
+ 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_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 not has_good_pin(uid):
- logging.info('user '+vstatus.cur_user+' has a bad PIN')
- #mk.set_messages(
- #[(center('INVALID'), False, 0.7),
- #(center('PIN'), False, 0.7),
- #(center('SETUP'), False, 1.0),
- #(GREETING, False, None)])
- vstatus.mk.set_messages(
- [(' '*10+'INVALID PIN SETUP'+' '*10, False, 3),
- (GREETING, False, None)])
- vstatus.cur_user = ''
- vstatus.cur_pin = ''
- return
- vstatus.cur_pin = ''
- vstatus.mk.set_message('PIN: ')
- logging.info('need pin for user %s'%vstatus.cur_user)
+ 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
- elif len(vstatus.cur_pin) < PIN_LENGTH:
+ 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
+
return
vstatus.cur_pin = ''
vstatus.mk.set_message('PIN: ')
vstatus.cur_pin += chr(key + ord('0'))
vstatus.mk.set_message('PIN: '+'X'*len(vstatus.cur_pin))
if len(vstatus.cur_pin) == PIN_LENGTH:
- username = verify_user_pin(int(vstatus.cur_user), int(vstatus.cur_pin))
- if username:
+ vstatus.username = verify_user_pin(int(vstatus.cur_user), int(vstatus.cur_pin))
+ if vstatus.username:
v.beep(0, False)
vstatus.cur_selection = ''
- scroll_options(username, vstatus.mk, True)
+ vstatus.state = STATE_GET_SELECTION
+ scroll_options(vstatus.username, vstatus.mk, True)
return
else:
v.beep(40, False)
(GREETING, False, None)])
vstatus.cur_user = ''
vstatus.cur_pin = ''
+
+ idle_in(vstatus,5)
+ vstatus.state = STATE_IDLE
+
return
- elif len(vstatus.cur_selection) == 0:
+
+
+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_pin = ''
vstatus.cur_user = ''
- vstatus.cur_selection = ''
+ vstatus.mk.set_message(GREETING)
+
+ idle_in(vstatus,5)
+ vstatus.state = STATE_IDLE
+ 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 not has_good_pin(uid):
+ logging.info('user '+vstatus.cur_user+' has a bad PIN')
vstatus.mk.set_messages(
- [(center('BYE!'), False, 1.5),
+ [(' '*10+'INVALID PIN SETUP'+' '*10, False, 3),
(GREETING, False, None)])
+ vstatus.cur_user = ''
+ vstatus.cur_pin = ''
+
+ idle_in(vstatus,5)
+ vstatus.state = STATE_IDLE
+
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(username, vstatus.mk)
- return
- else:
- vstatus.cur_selection += chr(key + ord('0'))
- #make_selection(cur_selection)
- # XXX this should move somewhere else:
- if vstatus.cur_selection == '55':
- vstatus.mk.set_message('OPENSESAME')
- logging.info('dispensing a door for %s'%username)
- if geteuid() == 0:
- ret = os.system('su - "%s" -c "dispense door"'%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'%username)
- vstatus.mk.set_message(center('BAD DOOR'))
- sleep(1)
- elif vstatus.cur_selection == '91':
- cookie(v)
- elif vstatus.cur_selection == '99':
- scroll_options(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"'%(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"'%(username)) >> 8) == 0):
- v.vend(vstatus.cur_selection)
- v.display('THANK YOU')
- else:
- v.display('NO MONEY?')
- sleep(1)
- vstatus.cur_selection = ''
- vstatus.time_to_autologout = time() + 8
- vstatus.last_timeout_refresh = None
+ vstatus.cur_pin = ''
+ vstatus.mk.set_message('PIN: ')
+ logging.info('need pin for user %s'%vstatus.cur_user)
+ vstatus.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 = ''
+ vstatus.mk.set_message(GREETING)
+ idle_in(vstatus,5)
+ choose_idler()
+ return
+
+ vstatus.state = STATE_GETTING_UID
+ run_handler(event, key, v, vstatus)
+
+
+def handle_idle_tick(state, event, params, v, vstatus):
+ ### State logged out ... initiate idler in 5 (first start?)
+ if vstatus.time_to_idle == None and vstatus.cur_user == '':
+ vstatus.time_to_idle = time() + 5
+ choose_idler()
+
+ ### State idling
+
+ if vstatus.time_to_idle is not None and time() > vstatus.time_to_idle:
+ idle_step()
+
+ if vstatus.time_to_idle is not None and time() > vstatus.time_to_idle + 30:
+ vstatus.time_to_idle = time()
+ choose_idler()
+
+ ###
+
+ vstatus.mk.update_display()
+
+
+def handle_door_idle(state, event, params, v, vstatus):
+ # don't care right now.
+ pass
+
+def handle_door_event(state, event, params, v, vstatus):
+ vstatus.time_to_idle = None
+
+ if params == 1: #door open
+ vstatus.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.state = STATE_DOOR_CLOSING
+ idle_in(vstatus, 5)
+
+ logging.warning('Leaving open door mode')
+ v.display("-YUM YUM!-")
+
+def idle_in(vstatus,seconds):
+ vstatus.time_to_idle = time() + seconds
+
+def return_to_idle(state,event,params,v,vstatus):
+ if vstatus.time_to_idle is not None and time() > vstatus.time_to_idle:
+ vstatus.mk.set_message(GREETING)
+ vstatus.state = STATE_IDLE
+ return
+ if not vstatus.time_to_idle:
+ vstatus.mk.set_message(GREETING)
+ vstatus.state = STATE_IDLE
+ return
+
+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
+
+def get_state_table_handler(vstatus, state, event, counter):
+ return vstatus.state_table[(state,event,counter)]
+
def run_forever(rfh, wfh, options, cf):
v = VendingMachine(rfh, wfh)
vstatus = VendState(v)
+ create_state_table(vstatus)
logging.debug('PING is ' + str(v.ping()))
vstatus.mk.set_message(GREETING)
setup_idlers(v)
+ choose_idler()
+ vstatus.mk.set_message("Booted")
- # This main loop is hideous and the work of the devil - mtearle
+ # This main loop was hideous and the work of the devil.
+ # This has now been fixed (mostly) - mtearle
#
#
# notes for later surgery
# V
# d[ ] = (method)
#
- # return state
+ # ( return state - not currently implemented )
while True:
if USE_DB:
except DispenseDatabaseException, e:
logging.error('Database error: '+str(e))
- 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 = ''
- vstatus.mk.set_message(GREETING)
-
- 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
- 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
-
- if vstatus.time_to_idle == None and vstatus.cur_user == '':
- vstatus.time_to_idle = time() + 5
- choose_idler()
- if vstatus.time_to_idle is not None and vstatus.cur_user != '':
- vstatus.time_to_idle = None
-
- if vstatus.time_to_idle is not None and time() > vstatus.time_to_idle:
- idle_step()
-
- if vstatus.time_to_idle is not None and time() > vstatus.time_to_idle + 30:
- vstatus.time_to_idle = time()
- choose_idler()
-
- vstatus.mk.update_display()
e = v.next_event(0)
(event, params) = e
- if event == TICK:
- e = v.next_event(0.05)
- (event, params) = e
+ vstatus.counter=1
+ run_handler(event, params, v, vstatus)
- if event == TICK:
- handle_tick_event(event, params, v, vstatus)
- continue
- vstatus.time_to_idle = None
- logging.debug('Got event: ' + repr(e))
-
- if event == DOOR:
- handle_door_event(event, params, v, vstatus)
- elif event == SWITCH:
- handle_switch_event(event, params, v, vstatus)
- elif event == KEY:
- handle_key_event(event, params, v, vstatus)
+# logging.debug('Got event: ' + repr(e))
+
+
+def run_handler(event, params, v, vstatus):
+ handler = get_state_table_handler(vstatus,vstatus.state,event,vstatus.counter)
+ if handler:
+ handler(vstatus.state, event, params, v, vstatus)
def connect_to_vend(options, cf):
git.ucc.asn.au / uccvend-vendserver.git / commitdiff
UCC git Repository :: git.ucc.asn.au