#!/usr/bin/python
# vim:ts=4
-import sys, os, string, time, re, pwd
+import sys, os, string, re, pwd
import pg
+from time import time, sleep
+from popen2 import popen2
from LATClient import LATClient
from VendingMachine import VendingMachine
from ConfigParser import ConfigParser
if event == DOOR:
if params == 1: # door closed
v.display("BYE BYE!")
- time.sleep(1)
+ sleep(1)
return
def center(str):
LEN = 10
return ' '*((LEN-len(str))/2)+str
+class MessageKeeper:
+ def __init__(self, vendie):
+ self.scrolling_message = []
+ self.v = vendie
+ self.next_update = None
+
+ def set_message(self, string):
+ self.scrolling_message = [(string, False, None)]
+ self.update_display(True)
+
+ def set_messages(self, strings):
+ self.scrolling_message = strings
+ self.update_display(True)
+
+ def update_display(self, forced = False):
+ if not forced and self.next_update != None and time() < self.next_update:
+ return
+ if len(self.scrolling_message) > 0:
+ newmsg = self.scrolling_message[0]
+ if newmsg[2] != None:
+ self.next_update = time() + newmsg[2]
+ else:
+ self.next_update = None
+ self.v.display(self.scrolling_message[0][0])
+ if self.scrolling_message[0][1]:
+ self.scrolling_message.append(self.scrolling_message[0])
+ del self.scrolling_message[0]
+
if __name__ == '__main__':
cp = ConfigParser()
cp.read('/etc/dispense/servers.conf')
ServiceName = cp.get('VendingMachine', 'ServiceName')
ServicePassword = cp.get('VendingMachine', 'Password')
# Open vending machine via LAT
- latclient = LATClient(service = ServiceName, password = ServicePassword)
- (rfh, wfh) = latclient.get_fh()
+ if 0:
+ latclient = LATClient(service = ServiceName, password = ServicePassword)
+ (rfh, wfh) = latclient.get_fh()
+ else:
+ #(rfh, wfh) = popen2('../../virtualvend/vvend.py')
+ import socket
+ sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
+ sock.connect(('localhost', 5150))
+ rfh = sock.makefile('r')
+ wfh = sock.makefile('w')
v = VendingMachine(rfh, wfh)
print 'PING is', v.ping()
- #print 'BEEP is', v.beep()
- #print 'VEND 11 is', v.vend('11')
- #print 'SILENCE is', v.silence()
- #print 'DISPLAY is', v.display('WELCOME')
- print 'S is', v.get_switches()
db = DispenseDatabase(v, DBServer, DBName, DBUser, DBPassword)
- db.process_requests()
cur_user = ''
cur_pin = ''
cur_selection = ''
- scrolling_message = [GREETING]
- scrolling_wraps = False
- need_repaint = True
- timeout = None
- last_tick = time.time()
+ mk = MessageKeeper(v)
+ mk.set_message(GREETING)
+ logout_timeout = None
+ last_timeout_refresh = None
while True:
- if time.time() > last_tick+1:
- if timeout != None and timeout > 0: timeout -= 1
- if len(scrolling_message) > 0:
- need_repaint = True
- last_tick = time.time()
- if need_repaint and len(scrolling_message) > 0:
- v.display(scrolling_message[0])
- if scrolling_wraps:
- scrolling_message.append(scrolling_message[0])
- del scrolling_message[0]
- need_repaint = False
- if timeout == 0:
- timeout = None
+ db.handle_events()
+
+ if logout_timeout != None:
+ time_left = logout_timeout - time()
+ if time_left < 10 and last_timeout_refresh > time_left:
+ mk.set_message('LOGOUT: '+str(int(time_left)))
+ last_timeout_refresh = int(time_left)
+
+ if logout_timeout != None and logout_timeout - time() <= 0:
+ logout_timeout = None
cur_user = ''
cur_pin = ''
cur_selection = ''
- scrolling_message = [GREETING]
- scrolling_wraps = False
- need_repaint = True
- continue
+ mk.set_message(GREETING)
+
+ mk.update_display()
- while True:
- #print 'waiting for event'
- e = v.next_event(0)
+ e = v.next_event(0)
+ if e == None:
+ e = v.next_event(0.1)
if e == None:
- #print 'waiting harder for event'
- e = v.next_event(0.1)
- if e == None:
- #print 'no event. passing'
- break
- #print 'got event'
- (event, params) = e
- print e
- if event == DOOR:
- if params == 0:
- door_open_mode(v);
+ continue
+ (event, params) = e
+ print e
+ if event == DOOR:
+ if params == 0:
+ door_open_mode(v);
+ cur_user = ''
+ cur_pin = ''
+ mk.set_message(GREETING)
+ elif event == SWITCH:
+ # don't care right now.
+ pass
+ elif event == KEY:
+ key = params
+ # complicated key handling here:
+ if len(cur_user) < 5:
+ if key == 11:
cur_user = ''
- cur_pin = ''
- scrolling_message = [GREETING]
- scrolling_wraps = False
- need_repaint = True
- elif event == SWITCH:
- # don't care right now.
- pass
- elif event == KEY:
- key = params
- # complicated key handling here:
- if len(cur_user) < 5:
- if key == 11:
+ mk.set_message(GREETING)
+ continue
+ cur_user += chr(key + ord('0'))
+ mk.set_message('UID: '+cur_user)
+ if len(cur_user) == 5:
+ uid = int(cur_user)
+ if not has_good_pin(uid):
+ mk.set_messages(
+ [(center('INVALID'), False, 0.7),
+ (center('PIN'), False, 0.7),
+ (center('SETUP'), False, 1.0),
+ (GREETING, False, None)])
cur_user = ''
- scrolling_message = [GREETING]
- scrolling_wraps = False
- need_repaint = True
- continue
- cur_user += chr(key + ord('0'))
- scrolling_message = []
- v.display('UID: '+cur_user)
- if len(cur_user) == 5:
- uid = int(cur_user)
- if not has_good_pin(uid):
- scrolling_message = map(center, ['INVALID','PIN','SETUP',GREETING])
- scrolling_wraps = False
- need_repaint = True
- cur_user = ''
- cur_pin = ''
- continue
cur_pin = ''
- v.display('PIN: ')
- scrolling_message = []
continue
- elif len(cur_pin) < PIN_LENGTH:
- if key == 11:
- if cur_pin == '':
- cur_user = ''
- scrolling_message = [GREETING]
- scrolling_wraps = False
- need_repaint = True
- continue
- cur_pin = ''
- v.display('PIN: ')
- scrolling_message = []
+ cur_pin = ''
+ mk.set_message('PIN: ')
+ continue
+ elif len(cur_pin) < PIN_LENGTH:
+ if key == 11:
+ if cur_pin == '':
+ cur_user = ''
+ mk.set_message(GREETING)
continue
- cur_pin += chr(key + ord('0'))
- v.display('PIN: '+'X'*len(cur_pin))
- scrolling_message = []
- if len(cur_pin) == PIN_LENGTH:
- username = verify_user_pin(int(cur_user), int(cur_pin))
- if username:
- v.beep(0, False)
- cur_selection = ''
-
- scrolling_message = [' WELCOME ', username]
- scrolling_message.append('OR A SNACK')
- scrolling_wraps = True
- need_repaint = True
- continue
- else:
- v.beep(40, False)
- scrolling_message = [' BAD PIN ', ' SORRY ', GREETING]
- scrolling_wraps = False
- need_repaint = True
+ cur_pin = ''
+ mk.set_message('PIN: ')
+ continue
+ cur_pin += chr(key + ord('0'))
+ mk.set_message('PIN: '+'X'*len(cur_pin))
+ if len(cur_pin) == PIN_LENGTH:
+ username = verify_user_pin(int(cur_user), int(cur_pin))
+ if username:
+ v.beep(0, False)
+ cur_selection = ''
- cur_user = ''
- cur_pin = ''
- continue
- elif len(cur_selection) == 0:
- if key == 11:
- cur_pin = ''
+ msg = [(center('WELCOME'), False, 0.8),
+ (center(username), False, 0.9)]
+ msg.append(('CHOICES :', True, 1))
+ msg.append(('55 - DOOR', True, 1))
+ msg.append(('OR A SNACK', True, 1))
+ mk.set_messages(msg)
+ continue
+ else:
+ v.beep(40, False)
+ mk.set_messages(
+ [(center('BAD PIN'), False, 1.0),
+ (center('SORRY'), False, 0.5),
+ (GREETING, False, None)])
cur_user = ''
- cur_selection = ''
- v.display('BYE!')
- time.sleep(0.5)
- scrolling_message = [GREETING]
- scrolling_wraps = False
- need_repaint = True
+ cur_pin = ''
continue
+ elif len(cur_selection) == 0:
+ if key == 11:
+ cur_pin = ''
+ cur_user = ''
+ cur_selection = ''
+ v.display('BYE!')
+ sleep(0.5)
+ mk.set_message(GREETING)
+ continue
+ cur_selection += chr(key + ord('0'))
+ mk.set_message('SELECT: '+cur_selection)
+ elif len(cur_selection) == 1:
+ if key == 11:
+ cur_selection = ''
+ mk.set_message('SELECT: ')
+ continue
+ else:
cur_selection += chr(key + ord('0'))
- scrolling_message = []
- v.display('SELECT: '+cur_selection)
- elif len(cur_selection) == 1:
- if key == 11:
- cur_selection = ''
- scrolling_message = []
- v.display('SELECT: ')
- continue
+ #make_selection(cur_selection)
+ # XXX this should move somewhere else:
+ if cur_selection == '55':
+ v.display('GOT DOOR?')
+ os.system('su - "%s" -c "dispense door"'%username)
+ elif cur_selection[1] == '8':
+ v.display('GOT COKE?')
+ os.system('su - "%s" -c "dispense %s"'%(username, cur_selection[0]))
else:
- cur_selection += chr(key + ord('0'))
- #make_selection(cur_selection)
- # XXX this should move somewhere else:
- if cur_selection == '55':
- v.display('GOT DOOR?')
- os.system('su - "%s" -c "dispense door"'%username)
- elif cur_selection[1] == '8':
- v.display('GOT COKE?')
- os.system('su - "%s" -c "dispense %s"'%(username, cur_selection[0]))
- else:
- v.display('HERES A '+cur_selection)
- v.vend(cur_selection)
- time.sleep(0.5)
- v.display('THANK YOU')
- time.sleep(0.5)
- cur_selection = ''
- scrolling_message = [
- 'LOGOUT: 5',
- 'LOGOUT: 4',
- 'LOGOUT: 3',
- 'LOGOUT: 2',
- 'LOGOUT: 1',
- 'BYE BYE!']
- timeout = 7
- scrolling_wraps = True
- need_repaint = True
-
- db.handle_events()
+ v.display('HERES A '+cur_selection)
+ v.vend(cur_selection)
+ sleep(0.5)
+ v.display('THANK YOU')
+ sleep(0.5)
+ cur_selection = ''
+ logout_timeout = time() + 10