#!/usr/bin/python
-# vim:ts=4
+# vim: ts=4 sts=4 sw=4 noexpandtab
-USE_DB = 0
USE_MIFARE = 1
import ConfigParser
import sys, os, string, re, pwd, signal, math, syslog
import logging, logging.handlers
from traceback import format_tb
-if USE_DB: import pg
from time import time, sleep, mktime, localtime
from subprocess import Popen, PIPE
from LATClient import LATClient, LATClientException
from SnackConfig import get_snack#, get_snacks
import socket
from posix import geteuid
-from LDAPConnector import get_uid,get_uname, set_card_id
from OpenDispense import OpenDispense as Dispense
CREDITS="""
except ConfigParser.Error, e:
raise SystemExit("Error reading config file "+config_file+": " + str(e))
-class DispenseDatabaseException(Exception): pass
-
-class DispenseDatabase:
- def __init__(self, vending_machine, host, name, user, password):
- self.vending_machine = vending_machine
- self.db = pg.DB(dbname = name, host = host, user = user, passwd = password)
- self.db.query('LISTEN vend_requests')
-
- def process_requests(self):
- logging.debug('database processing')
- query = 'SELECT request_id, request_slot FROM vend_requests WHERE request_handled = false'
- try:
- outstanding = self.db.query(query).getresult()
- except (pg.error,), db_err:
- raise DispenseDatabaseException('Failed to query database: %s\n'%(db_err.strip()))
- for (id, slot) in outstanding:
- (worked, code, string) = self.vending_machine.vend(slot)
- logging.debug (str((worked, code, string)))
- if worked:
- query = 'SELECT vend_success(%s)'%id
- self.db.query(query).getresult()
- else:
- query = 'SELECT vend_failed(%s)'%id
- self.db.query(query).getresult()
-
- def handle_events(self):
- notifier = self.db.getnotify()
- while notifier is not None:
- self.process_requests()
- notify = self.db.getnotify()
"""
This class manages the current state of the vending machine.
"""
# If the user has just logged in, show them their balance
if welcome:
balance = self.dispense.getBalance()
+ balance = balance[:-4] + '.' + balance[-4] + balance[-2:] # Work around display bug
msg = [(self.center('WELCOME'), False, TEXT_SPEED),
(self.center(self.dispense.getUsername()), False, TEXT_SPEED),
self.vstatus.last_timeout_refresh = int(time_left)
self.vstatus.cur_selection = ''
+ # Login timed out: Log out the current user.
if self.vstatus.time_to_autologout != None and self.vstatus.time_to_autologout - time() <= 0:
self.vstatus.time_to_autologout = None
self.vstatus.cur_user = ''
self.vstatus.cur_pin = ''
self.vstatus.cur_selection = ''
self._last_card_id = -1
+ self.dispense.logOut()
self.reset_idler()
### State fully logged out ... reset variables
self.vstatus.cur_pin = ''
self.vstatus.cur_user = ''
self.vstatus.cur_selection = ''
- _last_card_id = -1
+ self._last_card_id = -1
+ self.dispense.logOut()
self.vstatus.mk.set_messages([(self.center('BYE!'), False, 1.5)])
self.reset_idler(2)
return
if key == 11:
self.vstatus.cur_selection = ''
self.vstatus.time_to_autologout = None
+ self.dispense.logOut()
self.scroll_options(self.vstatus.username, self.vstatus.mk)
return
else:
self.vstatus.cur_selection += chr(key + ord('0'))
- if self.vstatus.cur_user:
+ if self.dispense.isLoggedIn():
self.make_selection()
self.vstatus.cur_selection = ''
self.vstatus.time_to_autologout = time() + 8
self.vstatus.last_timeout_refresh = None
else:
# Price check mode.
- self.dispense.getItemInfo(self.vstatus.cur_selection)
+ (name,price) = self.dispense.getItemInfo(self.vstatus.cur_selection)
+ dollarprice = "$%.2f" % ( price / 100.0 )
+ dollarprice = dollarprice[:-4] + '.' + dollarprice[-4] + dollarprice[-2:] # Work around display bug
+ self.v.display( self.vstatus.cur_selection+' - %s'%dollarprice)
+
self.vstatus.cur_selection = ''
self.vstatus.time_to_autologout = None
self.vstatus.last_timeout_refresh = None
Triggered when the user has entered the id of something they would like to purchase.
"""
def make_selection(self):
+ logging.debug('Dispense item "%s"' % (self.vstatus.cur_selection,))
# should use sudo here
if self.vstatus.cur_selection == '55':
self.vstatus.mk.set_message('OPENSESAME')
if key == 11:
if self.vstatus.cur_pin == '':
self.vstatus.cur_user = ''
- slef.reset_idler()
+ self.dispense.logOut()
+ self.reset_idler()
return
self.vstatus.cur_pin = ''
self.vstatus.cur_pin += chr(key + ord('0'))
self.vstatus.mk.set_message('PIN: '+'X'*len(self.vstatus.cur_pin))
if len(self.vstatus.cur_pin) == PIN_LENGTH:
- self.dispense.authUserIdPin(self.vstatus.cur_user, self.vstatus.cur_pin)
- if self.dispense.getUsername():
+ if self.dispense.authUserIdPin(self.vstatus.cur_user, self.vstatus.cur_pin):
+ self.vstatus.username = self.dispense.getUsername()
self.v.beep(0, False)
self.vstatus.cur_selection = ''
self.vstatus.change_state(STATE_GET_SELECTION)
if len(self.vstatus.cur_user) <8:
if key == 11:
self.vstatus.cur_user = ''
+ self.dispense.logOut()
self.reset_idler()
return
key = params
if key == 11:
self.vstatus.cur_user = ''
+ self.dispense.logOut()
self.reset_idler()
return
logging.warning("Entering open door mode")
self.v.display("-FEED ME-")
#door_open_mode(v);
+ self.dispense.logOut()
self.vstatus.cur_user = ''
self.vstatus.cur_pin = ''
elif params == 1: #door closed
self._last_card_id = card_id
- self.dispense.authMifareCard(card_id)
- logging.info('Mapped card id to uid %s'%self.dispense.getUsername())
- if not self.dispense.isLoggedIn():
+ if not self.dispense.authMifareCard(card_id):
self.v.beep(40, False)
self.vstatus.mk.set_messages(
[(self.center('BAD CARD'), False, 1.0),
self.reset_idler(2)
return
elif self.dispense.isDisabled():
+ logging.info('Mapped card id to uid %s'%self.dispense.getUsername())
self.v.beep(40, False)
self.vstatus.mk.set_messages(
[(self.center('ACCT DISABLED'), False, 1.0),
self.reset_idler(2)
return
else:
+ logging.info('Mapped card id to uid %s'%self.dispense.getUsername())
+ self.vstatus.cur_user = '----'
+ self.vstatus.username = self.dispense.getUsername()
self.vstatus.cur_selection = ''
self.vstatus.change_state(STATE_GET_SELECTION)
self.scroll_options(self.vstatus.username, self.vstatus.mk, True)
self._last_card_id = card_id
- res = self.dispense.addCard(card_id)
-
- if get_uid(card_id) != None:
+ if not self.dispense.addCard(card_id):
self.vstatus.mk.set_messages(
[(self.center('ALREADY'), False, 0.5),
(self.center('ENROLLED'), False, 0.5)])
else:
- logging.info('Enrolling card %s to uid %s (%s)'%(card_id, self.vstatus.cur_user, self.vstatus.username))
- self.set_card_id(self.vstatus.cur_user, self.card_id)
self.vstatus.mk.set_messages(
[(self.center('CARD'), False, 0.5),
(self.center('ENROLLED'), False, 0.5)])
logging.debug('PING is ' + str(self.v.ping()))
- if USE_DB: db = DispenseDatabase(v, cf.DBServer, cf.DBName, cf.DBUser, cf.DBPassword)
-
self.setup_idlers()
self.reset_idler()
while True:
- if USE_DB:
- try:
- db.handle_events()
- except DispenseDatabaseException, e:
- logging.error('Database error: '+str(e))
-
timeout = self.time_to_next_update()
(event, params) = self.v.next_event(timeout)
self.run_handler(event, params)
git.ucc.asn.au / uccvend-vendserver.git / blobdiff
UCC git Repository :: git.ucc.asn.au