+ logging.info('Enrolling card %s to uid %s (%s)'%(card_id, vstatus.cur_user, vstatus.username))
+ set_card_id(vstatus.cur_user, card_id)
+ vstatus.mk.set_messages(
+ [(center('CARD'), False, 0.5),
+ (center('ENROLLED'), False, 0.5)])
+
+ # scroll_options(vstatus.username, vstatus.mk)
+
+def return_to_idle(state,event,params,v,vstatus):
+ reset_idler(v, vstatus)
+
+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_IDLE,MIFARE,1)] = handle_mifare_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_OPENING,MIFARE,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_DOOR_CLOSING,MIFARE,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_UID,MIFARE,1)] = handle_mifare_event
+
+ 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_GETTING_PIN,MIFARE,1)] = handle_mifare_event
+
+ 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
+ vstatus.state_table[(STATE_GET_SELECTION,MIFARE,1)] = handle_mifare_add_user_event
+
+ vstatus.state_table[(STATE_GRANDFATHER_CLOCK,TICK,1)] = handle_idle_grandfather_tick
+ vstatus.state_table[(STATE_GRANDFATHER_CLOCK,TICK,2)] = handle_grandfather_tick
+ vstatus.state_table[(STATE_GRANDFATHER_CLOCK,DOOR,1)] = do_nothing
+ vstatus.state_table[(STATE_GRANDFATHER_CLOCK,DOOR,2)] = do_nothing
+ vstatus.state_table[(STATE_GRANDFATHER_CLOCK,KEY,1)] = do_nothing
+ vstatus.state_table[(STATE_GRANDFATHER_CLOCK,KEY,2)] = do_nothing
+ vstatus.state_table[(STATE_GRANDFATHER_CLOCK,MIFARE,1)] = handle_mifare_event
+
+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, USE_MIFARE)
+ vstatus = VendState(v)
+ create_state_table(vstatus)
+
+ logging.debug('PING is ' + str(v.ping()))
+
+ if USE_DB: db = DispenseDatabase(v, cf.DBServer, cf.DBName, cf.DBUser, cf.DBPassword)
+
+ setup_idlers(v)
+ reset_idler(v, vstatus)
+
+ # This main loop was hideous and the work of the devil.
+ # This has now been fixed (mostly) - mtearle
+ #
+ #
+ # notes for later surgery
+ # (event, counter, ' ')
+ # V
+ # d[ ] = (method)
+ #
+ # ( return state - not currently implemented )
+
+ while True:
+ if USE_DB:
+ try:
+ db.handle_events()
+ except DispenseDatabaseException, e:
+ logging.error('Database error: '+str(e))
+
+ timeout = time_to_next_update(vstatus)
+ e = v.next_event(timeout)
+ (event, params) = e
+
+ run_handler(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):
+
+ if options.use_lat:
+ logging.info('Connecting to vending machine using 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()
+ elif options.use_serial:
+ # Open vending machine via serial.
+ logging.info('Connecting to vending machine using serial')
+ serialclient = SerialClient(port = '/dev/ttyS1', baud = 9600)
+ rfh,wfh = serialclient.get_fh()
+ else:
+ #(rfh, wfh) = popen2('../../virtualvend/vvend.py')
+ logging.info('Connecting to virtual vending machine on %s:%d'%(options.host,options.port))
+ 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')
+ global USE_MIFARE
+ USE_MIFARE = 0
+
+ return rfh, wfh
+
+def parse_args():
+ from optparse import OptionParser
+
+ op = OptionParser(usage="%prog [OPTION]...")
+ op.add_option('-f', '--config-file', default='/etc/dispense2/servers.conf', metavar='FILE', dest='config_file', help='use the specified config file instead of /etc/dispense/servers.conf')
+ op.add_option('--serial', action='store_true', default=True, dest='use_serial', help='use the serial port')
+ op.add_option('--lat', action='store_true', default=False, dest='use_lat', help='use LAT')
+ op.add_option('--virtualvend', action='store_false', default=True, dest='use_serial', 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)')
+ op.add_option('-l', '--log-file', metavar='FILE', dest='log_file', default='', help='log output to the specified file')
+ op.add_option('-s', '--syslog', dest='syslog', metavar='FACILITY', default=None, help='log output to given syslog facility')
+ op.add_option('-d', '--daemon', dest='daemon', action='store_true', default=False, help='run as a daemon')
+ op.add_option('-v', '--verbose', dest='verbose', action='store_true', default=False, help='spit out lots of debug output')
+ op.add_option('-q', '--quiet', dest='quiet', action='store_true', default=False, help='only report errors')
+ op.add_option('--pid-file', dest='pid_file', metavar='FILE', default='', help='store daemon\'s pid in the given file')
+ 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:
+ raise SystemExit("Error reading config file "+config_file+": " + str(e))
+
+def create_pid_file(name):
+ try:
+ pid_file = file(name, 'w')
+ pid_file.write('%d\n'%os.getpid())
+ pid_file.close()
+ except IOError, e:
+ logging.warning('unable to write to pid file '+name+': '+str(e))
+
+def set_stuff_up():
+ def do_nothing(signum, stack):
+ signal.signal(signum, do_nothing)
+ 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)
+
+ options = parse_args()
+ config_opts = VendConfigFile(options.config_file, config_options)
+ if options.daemon: become_daemon()
+ set_up_logging(options)
+ if options.pid_file != '': create_pid_file(options.pid_file)
+
+ return options, config_opts
+
+def clean_up_nicely(options, config_opts):
+ if options.pid_file != '':
+ try:
+ os.unlink(options.pid_file)
+ logging.debug('Removed pid file '+options.pid_file)
+ except OSError: pass # if we can't delete it, meh
+
+def set_up_logging(options):
+ logger = logging.getLogger()
+
+ if not options.daemon:
+ stderr_logger = logging.StreamHandler(sys.stderr)
+ stderr_logger.setFormatter(logging.Formatter('%(levelname)s: %(message)s'))
+ logger.addHandler(stderr_logger)
+
+ if options.log_file != '':
+ try:
+ file_logger = logging.FileHandler(options.log_file)
+ file_logger.setFormatter(logging.Formatter('%(asctime)s %(levelname)s: %(message)s'))
+ logger.addHandler(file_logger)
+ except IOError, e:
+ logger.warning('unable to write to log file '+options.log_file+': '+str(e))
+
+ if options.syslog != None:
+ sys_logger = logging.handlers.SysLogHandler('/dev/log', options.syslog)
+ sys_logger.setFormatter(logging.Formatter('vendserver[%d]'%(os.getpid()) + ' %(levelname)s: %(message)s'))
+ logger.addHandler(sys_logger)
+
+ if options.quiet:
+ logger.setLevel(logging.WARNING)
+ elif options.verbose:
+ logger.setLevel(logging.DEBUG)
+ else:
+ logger.setLevel(logging.INFO)
+
+def become_daemon():
+ dev_null = file('/dev/null')
+ fd = dev_null.fileno()
+ os.dup2(fd, 0)
+ os.dup2(fd, 1)
+ os.dup2(fd, 2)
+ try:
+ if os.fork() != 0:
+ sys.exit(0)
+ os.setsid()
+ except OSError, e:
+ raise SystemExit('failed to fork: '+str(e))
+
+def do_vend_server(options, config_opts):
+ while True:
+ try:
+ rfh, wfh = connect_to_vend(options, config_opts)
+ except (SerialClientException, socket.error), e:
+ (exc_type, exc_value, exc_traceback) = sys.exc_info()
+ del exc_traceback
+ logging.error("Connection error: "+str(exc_type)+" "+str(e))
+ logging.info("Trying again in 5 seconds.")
+ sleep(5)
+ continue
+
+# run_forever(rfh, wfh, options, config_opts)
+
+ try:
+ run_forever(rfh, wfh, options, config_opts)
+ except VendingException:
+ logging.error("Connection died, trying again...")
+ logging.info("Trying again in 5 seconds.")
+ sleep(5)