+
+ if USE_DB: db = DispenseDatabase(v, cf.DBServer, cf.DBName, cf.DBUser, cf.DBPassword)
+ cur_user = ''
+ cur_pin = ''
+ cur_selection = ''
+
+ mk = MessageKeeper(v)
+ mk.set_message(GREETING)
+ time_to_autologout = None
+ #idler = TrainIdler(v)
+ #idler = GrayIdler(v)
+ idler = GrayIdler(v,one="*",zero="-")
+ time_to_idle = None
+ last_timeout_refresh = None
+
+ while True:
+ if USE_DB: db.handle_events()
+
+ if time_to_autologout != None:
+ time_left = time_to_autologout - time()
+ if time_left < 6 and (last_timeout_refresh is None or last_timeout_refresh > time_left):
+ mk.set_message('LOGOUT: '+str(int(time_left)))
+ last_timeout_refresh = int(time_left)
+ cur_selection = ''
+
+ if time_to_autologout != None and time_to_autologout - time() <= 0:
+ time_to_autologout = None
+ cur_user = ''
+ cur_pin = ''
+ cur_selection = ''
+ mk.set_message(GREETING)
+
+ if time_to_autologout and not mk.done(): time_to_autologout = None
+ if cur_user == '' and time_to_autologout: time_to_autologout = None
+ if len(cur_pin) == PIN_LENGTH and mk.done() and time_to_autologout == None:
+ # start autologout
+ time_to_autologout = time() + 15
+
+ if time_to_idle == None and cur_user == '': time_to_idle = time() + 60
+ if time_to_idle != None and cur_user != '': time_to_idle = None
+ if time_to_idle is not None and time() > time_to_idle: idler.next()
+
+ mk.update_display()
+
+ e = v.next_event(0)
+ if e == None:
+ e = v.next_event(0.1)
+ if e == None:
+ continue
+ time_to_idle = None
+ (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 = ''
+ 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)])
+ mk.set_messages(
+ [(' '*10+'INVALID PIN SETUP'+' '*10, False, 3),
+ (GREETING, False, None)])
+ cur_user = ''
+ cur_pin = ''
+ continue
+ 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 = ''
+ 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 = ''
+ scroll_options(username, mk, True)
+ 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_pin = ''
+ continue
+ elif len(cur_selection) == 0:
+ if key == 11:
+ cur_pin = ''
+ cur_user = ''
+ cur_selection = ''
+ mk.set_messages(
+ [(center('BYE!'), False, 1.5),
+ (GREETING, False, None)])
+ continue
+ cur_selection += chr(key + ord('0'))
+ mk.set_message('SELECT: '+cur_selection)
+ time_to_autologout = None
+ elif len(cur_selection) == 1:
+ if key == 11:
+ cur_selection = ''
+ time_to_autologout = None
+ scroll_options(username, mk)
+ continue
+ else:
+ cur_selection += chr(key + ord('0'))
+ #make_selection(cur_selection)
+ # XXX this should move somewhere else:
+ if cur_selection == '55':
+ mk.set_message('OPENSESAME')
+ if geteuid() == 0:
+ ret = os.system('su - "%s" -c "dispense door"'%username)
+ else:
+ ret = os.system('dispense door')
+ if ret == 0:
+ mk.set_message(center('DOOR OPEN'))
+ else:
+ mk.set_message(center('BAD DOOR'))
+ sleep(1)
+ elif cur_selection == '91':
+ cookie(v)
+ elif cur_selection == '99':
+ scroll_options(username, mk)
+ cur_selection = ''
+ continue
+ 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)
+ sleep(0.5)
+ v.display('THANK YOU')
+ sleep(0.5)
+ cur_selection = ''
+ time_to_autologout = time() + 8
+
+def connect_to_vend(options, cf):
+ # Open vending machine via LAT?
+ if options.use_lat:
+ latclient = LATClient(service = cf.ServiceName, password = cf.ServicePassword, server_name = cf.ServerName, connect_password = cf.ConnectPassword, priv_password = cf.PrivPassword)
+ 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((options.host, options.port))
+ rfh = sock.makefile('r')
+ wfh = sock.makefile('w')
+
+ return rfh, wfh
+
+def parse_args():
+ from optparse import OptionParser
+
+ op = OptionParser(usage="%prog [OPTION]...")
+ op.add_option('-f', '--config-file', default='/etc/dispense/servers.conf', metavar='FILE', dest='config_file', help='use the specified config file instead of /etc/dispense/servers.conf')
+ op.add_option('-v', '--virtualvend', action='store_false', default=True, dest='use_lat', help='use the virtual vending server instead of LAT')
+ op.add_option('-n', '--hostname', dest='host', default='localhost', help='the hostname to connect to for virtual vending machine mode (default: localhost)')
+ op.add_option('-p', '--port', dest='port', default=5150, type='int', help='the port number to connect to (default: 5150)')
+ options, args = op.parse_args()
+
+ if len(args) != 0:
+ op.error('extra command line arguments: ' + ' '.join(args))
+
+ return options
+
+config_options = {
+ 'DBServer': ('Database', 'Server'),
+ 'DBName': ('Database', 'Name'),
+ 'DBUser': ('VendingMachine', 'DBUser'),
+ 'DBPassword': ('VendingMachine', 'DBPassword'),
+
+ 'ServiceName': ('VendingMachine', 'ServiceName'),
+ 'ServicePassword': ('VendingMachine', 'Password'),
+
+ 'ServerName': ('DecServer', 'Name'),
+ 'ConnectPassword': ('DecServer', 'ConnectPassword'),
+ 'PrivPassword': ('DecServer', 'PrivPassword'),
+ }
+
+class VendConfigFile:
+ def __init__(self, config_file, options):
+ try:
+ cp = ConfigParser.ConfigParser()
+ cp.read(config_file)
+
+ for option in options:
+ section, name = options[option]
+ value = cp.get(section, name)
+ self.__dict__[option] = value
+
+ except ConfigParser.Error, e:
+ print "Error reading config file "+config_file+": " + str(e)
+ sys.exit(1)
+
+def do_vend_server():
+ options = parse_args()
+ config_opts = VendConfigFile(options.config_file, config_options)
+
+ while True:
+ try:
+ rfh, wfh = connect_to_vend(options, config_opts)
+ except (LATClientException, socket.error), e:
+ (exc_type, exc_value, exc_traceback) = sys.exc_info()
+ del exc_traceback
+ print
+ print "Connection error: "+str(exc_type)+" "+str(e)
+ print "Trying again in 5 seconds."
+ sleep(5)
+ continue
+ try:
+ run_forever(rfh, wfh, options, config_opts)
+ except VendingException:
+ print
+ print "Connection died, trying again..."
+
+if __name__ == '__main__':
+ def do_nothing(signum, stack): pass
+ def stop_server(signum, stack): raise KeyboardInterrupt
+ signal.signal(signal.SIGHUP, do_nothing)
+ signal.signal(signal.SIGTERM, stop_server)
+ signal.signal(signal.SIGINT, stop_server)
+ while True:
+ try:
+ do_vend_server()
+ except KeyboardInterrupt:
+ print "Killed by signal."
+ break
+ except:
+ (exc_type, exc_value, exc_traceback) = sys.exc_info()
+ print
+ print "Uh-oh, unhandled " + str(exc_type) + " exception"
+ print "Message: ", str(exc_value)
+ print
+ print_tb(exc_traceback)
+ del exc_traceback
+ print
+ print "This message should be considered a bug in the Vend Server."
+ print "Please report this to someone who can fix it."
+ print
+ print "Trying again anyway (might not help, but hey...)"
+