From 1f64b59e010f1c477a8169acc17d632397d5df11 Mon Sep 17 00:00:00 2001 From: Mark Tearle Date: Mon, 4 Apr 2005 10:29:04 +0000 Subject: [PATCH] start of refactoring --- sql-edition/servers/VendServer.py | 329 ++++++++++++++++-------------- 1 file changed, 173 insertions(+), 156 deletions(-) diff --git a/sql-edition/servers/VendServer.py b/sql-edition/servers/VendServer.py index 7ac7071..e896920 100755 --- a/sql-edition/servers/VendServer.py +++ b/sql-edition/servers/VendServer.py @@ -238,21 +238,155 @@ def idle_step(): choose_idler() idler.next() +class VendState: + def __init__(self,v): + self.mk = MessageKeeper(v) + self.cur_user = '' + self.cur_pin = '' + self.cur_selection = '' + self.time_to_autologout = None + self.time_to_idle = None + self.last_timeout_refresh = None + + +def handle_door_event(event, params, v, vstatus): + if params == 0: + door_open_mode(v); + vstatus.cur_user = '' + vstatus.cur_pin = '' + vstatus.mk.set_message(GREETING) + +def handle_switch_event(event, params, v, vstatus): + # don't care right now. + pass + +def handle_key_event(event, params, v, vstatus): + key = params + # complicated key handling here: + if len(vstatus.cur_user) < 5: + if key == 11: + vstatus.cur_user = '' + vstatus.mk.set_message(GREETING) + return + vstatus.cur_user += chr(key + ord('0')) + vstatus.mk.set_message('UID: '+vstatus.cur_user) + if len(vstatus.cur_user) == 5: + uid = int(vstatus.cur_user) + if not has_good_pin(uid): + logging.info('user '+vstatus.cur_user+' has a bad PIN') + #mk.set_messages( + #[(center('INVALID'), False, 0.7), + #(center('PIN'), False, 0.7), + #(center('SETUP'), False, 1.0), + #(GREETING, False, None)]) + vstatus.mk.set_messages( + [(' '*10+'INVALID PIN SETUP'+' '*10, False, 3), + (GREETING, False, None)]) + vstatus.cur_user = '' + vstatus.cur_pin = '' + return + vstatus.cur_pin = '' + vstatus.mk.set_message('PIN: ') + logging.info('need pin for user %s'%vstatus.cur_user) + return + elif len(vstatus.cur_pin) < PIN_LENGTH: + if key == 11: + if vstatus.cur_pin == '': + vstatus.cur_user = '' + vstatus.mk.set_message(GREETING) + return + vstatus.cur_pin = '' + vstatus.mk.set_message('PIN: ') + return + vstatus.cur_pin += chr(key + ord('0')) + vstatus.mk.set_message('PIN: '+'X'*len(vstatus.cur_pin)) + if len(vstatus.cur_pin) == PIN_LENGTH: + username = verify_user_pin(int(vstatus.cur_user), int(vstatus.cur_pin)) + if username: + v.beep(0, False) + vstatus.cur_selection = '' + scroll_options(username, vstatus.mk, True) + return + else: + v.beep(40, False) + vstatus.mk.set_messages( + [(center('BAD PIN'), False, 1.0), + (center('SORRY'), False, 0.5), + (GREETING, False, None)]) + vstatus.cur_user = '' + vstatus.cur_pin = '' + return + elif len(vstatus.cur_selection) == 0: + if key == 11: + vstatus.cur_pin = '' + vstatus.cur_user = '' + vstatus.cur_selection = '' + vstatus.mk.set_messages( + [(center('BYE!'), False, 1.5), + (GREETING, False, None)]) + return + vstatus.cur_selection += chr(key + ord('0')) + vstatus.mk.set_message('SELECT: '+vstatus.cur_selection) + vstatus.time_to_autologout = None + elif len(vstatus.cur_selection) == 1: + if key == 11: + vstatus.cur_selection = '' + vstatus.time_to_autologout = None + scroll_options(username, vstatus.mk) + return + else: + vstatus.cur_selection += chr(key + ord('0')) + #make_selection(cur_selection) + # XXX this should move somewhere else: + if vstatus.cur_selection == '55': + vstatus.mk.set_message('OPENSESAME') + logging.info('dispensing a door for %s'%username) + if geteuid() == 0: + ret = os.system('su - "%s" -c "dispense door"'%username) + else: + ret = os.system('dispense door') + if ret == 0: + logging.info('door opened') + vstatus.mk.set_message(center('DOOR OPEN')) + else: + logging.warning('user %s tried to dispense a bad door'%username) + vstatus.mk.set_message(center('BAD DOOR')) + sleep(1) + elif vstatus.cur_selection == '91': + cookie(v) + elif vstatus.cur_selection == '99': + scroll_options(username, vstatus.mk) + vstatus.cur_selection = '' + return + elif vstatus.cur_selection[1] == '8': + v.display('GOT COKE?') + if ((os.system('su - "%s" -c "dispense %s"'%(username, vstatus.cur_selection[0])) >> 8) != 0): + v.display('SEEMS NOT') + else: + v.display('GOT COKE!') + else: + v.display(vstatus.cur_selection+' - $1.00') + if ((os.system('su - "%s" -c "dispense snack"'%(username)) >> 8) == 0): + v.vend(vstatus.cur_selection) + v.display('THANK YOU') + else: + v.display('NO MONEY?') + sleep(1) + vstatus.cur_selection = '' + vstatus.time_to_autologout = time() + 8 + vstatus.last_timeout_refresh = None + + def run_forever(rfh, wfh, options, cf): v = VendingMachine(rfh, wfh) + vstatus = VendState(v) + logging.debug('PING is ' + str(v.ping())) 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 + vstatus.mk.set_message(GREETING) setup_idlers(v) - time_to_idle = None - last_timeout_refresh = None # This main loop is hideous and the work of the devil - mtearle @@ -272,170 +406,53 @@ def run_forever(rfh, wfh, options, cf): except DispenseDatabaseException, e: logging.error('Database error: '+str(e)) - 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: + if vstatus.time_to_autologout != None: + time_left = vstatus.time_to_autologout - time() + if time_left < 6 and (vstatus.last_timeout_refresh is None or vstatus.last_timeout_refresh > time_left): + vstatus.mk.set_message('LOGOUT: '+str(int(time_left))) + vstatus.last_timeout_refresh = int(time_left) + vstatus.cur_selection = '' + + if vstatus.time_to_autologout != None and vstatus.time_to_autologout - time() <= 0: + vstatus.time_to_autologout = None + vstatus.cur_user = '' + vstatus.cur_pin = '' + vstatus.cur_selection = '' + vstatus.mk.set_message(GREETING) + + if vstatus.time_to_autologout and not vstatus.mk.done(): vstatus.time_to_autologout = None + if vstatus.cur_user == '' and vstatus.time_to_autologout: vstatus.time_to_autologout = None + if len(vstatus.cur_pin) == PIN_LENGTH and vstatus.mk.done() and vstatus.time_to_autologout == None: # start autologout - time_to_autologout = time() + 15 - last_timeout_refresh = None + vstatus.time_to_autologout = time() + 15 + vstatus.last_timeout_refresh = None - if time_to_idle == None and cur_user == '': - time_to_idle = time() + 5 + if vstatus.time_to_idle == None and vstatus.cur_user == '': + vstatus.time_to_idle = time() + 5 choose_idler() - if time_to_idle is not None and cur_user != '': time_to_idle = None - if time_to_idle is not None and time() > time_to_idle: idle_step() - if time_to_idle is not None and time() > time_to_idle + 300: - time_to_idle = time() + if vstatus.time_to_idle is not None and vstatus.cur_user != '': vstatus.time_to_idle = None + 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 + 300: + vstatus.time_to_idle = time() choose_idler() - mk.update_display() + vstatus.mk.update_display() e = v.next_event(0) if e == None: e = v.next_event(0.05) if e == None: continue - time_to_idle = None + vstatus.time_to_idle = None (event, params) = e logging.debug('Got event: ' + repr(e)) + if event == DOOR: - if params == 0: - door_open_mode(v); - cur_user = '' - cur_pin = '' - mk.set_message(GREETING) + handle_door_event(event, params, v, vstatus) elif event == SWITCH: - # don't care right now. - pass + handle_switch_event(event, params, v, vstatus) 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): - logging.info('user '+cur_user+' has a bad PIN') - #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: ') - logging.info('need pin for user %s'%cur_user) - 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') - logging.info('dispensing a door for %s'%username) - if geteuid() == 0: - ret = os.system('su - "%s" -c "dispense door"'%username) - else: - ret = os.system('dispense door') - if ret == 0: - logging.info('door opened') - mk.set_message(center('DOOR OPEN')) - else: - logging.warning('user %s tried to dispense a bad door'%username) - 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?') - if ((os.system('su - "%s" -c "dispense %s"'%(username, cur_selection[0])) >> 8) != 0): - v.display('SEEMS NOT') - else: - v.display('GOT COKE!') - else: - v.display(cur_selection+' - $1.00') - if ((os.system('su - "%s" -c "dispense snack"'%(username)) >> 8) == 0): - v.vend(cur_selection) - v.display('THANK YOU') - else: - v.display('NO MONEY?') - sleep(1) - cur_selection = '' - time_to_autologout = time() + 8 - last_timeout_refresh = None + handle_key_event(event, params, v, vstatus) def connect_to_vend(options, cf): -- 2.20.1