from MessageKeeper import MessageKeeper
from HorizScroll import HorizScroll
from random import random, seed
-from Idler import TrainIdler,GrayIdler,StringIdler,ClockIdler,FortuneIdler,FileIdler,PipeIdler
+from Idler import GreetingIdler,TrainIdler,GrayIdler,StringIdler,ClockIdler,FortuneIdler,FileIdler,PipeIdler
import socket
from posix import geteuid
"""
-GREETING = 'UCC SNACKS'
PIN_LENGTH = 4
DOOR = 1
STATE_GRANDFATHER_CLOCK = 7
TEXT_SPEED = 0.8
-IDLE_SPEED = 0.02
+IDLE_SPEED = 0.05
class DispenseDatabaseException(Exception): pass
logging.info('getting pin for uid %d: .pin not found in home directory'%uid)
return None
if s.st_mode & 077:
- logging.info('getting pin for uid %d: .pin has wrong permissions'%uid)
- return None
+ logging.info('getting pin for uid %d: .pin has wrong permissions. Fixing.'%uid)
+ os.chmod(pinfile, 0600)
try:
f = file(pinfile)
except IOError:
GrayIdler(v,one="/",zero="\\"),
ClockIdler(v),
GrayIdler(v,one="X",zero="O"),
- FileIdler(v, '/usr/share/common-licenses/GPL-2'),
+ FileIdler(v, '/usr/share/common-licenses/GPL-2',affinity=2),
GrayIdler(v,one="*",zero="-",reorder=1),
StringIdler(v, text=str(math.pi) + " "),
ClockIdler(v),
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"),
+ PipeIdler(v, "/usr/bin/getent", "passwd"),
FortuneIdler(v),
ClockIdler(v),
StringIdler(v),
]
disabled = [
]
- idler = choose_idler()
+
+def reset_idler(v, vstatus, t = None):
+ global idlers, idler
+ idler = GreetingIdler(v, t)
+ vstatus.time_of_next_idlestep = time()+idler.next()
+ vstatus.time_of_next_idler = None
+ vstatus.change_state(STATE_IDLE, 1)
def choose_idler():
global idlers, idler
iiindex = 0
+ average_affinity = 10 # guessing here...
- if idler:
+ if idler and idler.__class__ != GreetingIdler:
iiindex = idlers.index(idler)
iilen = len(idlers)
- move = int(random()*len(idlers)) + 1
+ move = int(random()*len(idlers)*average_affinity) + 1
while move >= 0:
- idler = idlers[( (iiindex + 1) % iilen)]
- move = move - idler.affinity()
+ iiindex += 1
+ iiindex %= iilen
+ idler = idlers[iiindex]
+ move -= idler.affinity()
idler.reset()
-def idle_step():
+def idle_step(vstatus):
global idler
if idler.finished():
choose_idler()
- sleep(IDLE_SPEED)
- idler.next()
+ 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.cur_selection = ''
self.time_to_autologout = None
- self.time_to_idle = None
-
self.last_timeout_refresh = None
def change_state(self,newstate,newcounter=None):
vstatus.cur_pin = ''
vstatus.cur_selection = ''
- idle_in(vstatus,2)
- vstatus.change_state(STATE_IDLE)
-
- vstatus.mk.set_message(GREETING)
+ reset_idler(v, vstatus)
### State fully logged out ... reset variables
if vstatus.time_to_autologout and not vstatus.mk.done():
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()
vstatus.cur_user = ''
vstatus.cur_selection = ''
- idle_in(vstatus,2)
- vstatus.change_state(STATE_IDLE)
-
- vstatus.mk.set_messages(
- [(center('BYE!'), False, 1.5),
- (GREETING, False, None)])
+ 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)
if key == 11:
if vstatus.cur_pin == '':
vstatus.cur_user = ''
- vstatus.mk.set_message(GREETING)
-
- idle_in(vstatus,5)
- vstatus.change_state(STATE_IDLE)
+ reset_idler(v, vstatus)
return
vstatus.cur_pin = ''
v.beep(40, False)
vstatus.mk.set_messages(
[(center('BAD PIN'), False, 1.0),
- (center('SORRY'), False, 0.5),
- (GREETING, False, None)])
+ (center('SORRY'), False, 0.5)])
vstatus.cur_user = ''
vstatus.cur_pin = ''
- idle_in(vstatus,5)
- vstatus.change_state(STATE_IDLE)
+ reset_idler(v, vstatus, 2)
return
if len(vstatus.cur_user) < 5:
if key == 11:
vstatus.cur_user = ''
- vstatus.mk.set_message(GREETING)
- idle_in(vstatus,5)
- vstatus.change_state(STATE_IDLE)
+ reset_idler(v, vstatus)
return
vstatus.cur_user += chr(key + ord('0'))
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'+' '*10, False, 3),
- (GREETING, False, None)])
+ [(' '*10+'INVALID PIN SETUP'+' '*11, False, 3)])
vstatus.cur_user = ''
vstatus.cur_pin = ''
- idle_in(vstatus,5)
- vstatus.change_state(STATE_IDLE)
+ reset_idler(v, vstatus, 3)
return
if key == 11:
vstatus.cur_user = ''
- vstatus.mk.set_message(GREETING)
- idle_in(vstatus,5)
- choose_idler()
+ reset_idler(v, vstatus)
return
vstatus.change_state(STATE_GETTING_UID)
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.mk.done():
+ idle_step(vstatus)
- 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()
+ if vstatus.time_of_next_idler and time() > vstatus.time_of_next_idler:
+ vstatus.time_of_next_idler = time() + 30
choose_idler()
###
pass
def handle_door_event(state, event, params, v, vstatus):
- vstatus.time_to_idle = None
-
if params == 1: #door open
vstatus.change_state(STATE_DOOR_OPENING)
logging.warning("Entering open door mode")
vstatus.cur_pin = ''
elif params == 0: #door closed
vstatus.change_state(STATE_DOOR_CLOSING)
- idle_in(vstatus, 5)
+ reset_idler(v, vstatus, 3)
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.change_state(STATE_IDLE)
- return
- if not vstatus.time_to_idle:
- vstatus.mk.set_message(GREETING)
- vstatus.change_state(STATE_IDLE)
- return
+ reset_idler(v, vstatus)
def create_state_table(vstatus):
vstatus.state_table[(STATE_IDLE,TICK,1)] = handle_idle_tick
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
+
def run_forever(rfh, wfh, options, cf):
v = VendingMachine(rfh, wfh)
vstatus = VendState(v)
if USE_DB: db = DispenseDatabase(v, cf.DBServer, cf.DBName, cf.DBUser, cf.DBPassword)
- vstatus.mk.set_message(GREETING)
setup_idlers(v)
- choose_idler()
- vstatus.mk.set_message("Booted")
-
+ reset_idler(v, vstatus)
# This main loop was hideous and the work of the devil.
# This has now been fixed (mostly) - mtearle
#
# ( return state - not currently implemented )
- vstatus.change_state(STATE_IDLE,1)
-
while True:
if USE_DB:
try:
logging.error('Database error: '+str(e))
- e = v.next_event(0)
+ timeout = time_to_next_update(vstatus)
+ e = v.next_event(timeout)
(event, params) = e
run_handler(event, params, v, vstatus)