Add enrolment.
authorBernard Blackham <dagobah@ucc.gu.uwa.edu.au>
Fri, 29 Feb 2008 14:17:58 +0000 (14:17 +0000)
committerBernard Blackham <dagobah@ucc.gu.uwa.edu.au>
Fri, 29 Feb 2008 14:17:58 +0000 (14:17 +0000)
sql-edition/servers/VendServer.py
sql-edition/servers/VendingMachine.py

index fa5ba5b..f68cf1a 100755 (executable)
@@ -2,6 +2,7 @@
 # vim:ts=4
 
 USE_DB = 0
+USE_MIFARE = 1
 
 import ConfigParser
 import sys, os, string, re, pwd, signal, math, syslog
@@ -20,6 +21,7 @@ from Idler import GreetingIdler,TrainIdler,GrayIdler,StringIdler,ClockIdler,Fort
 from SnackConfig import get_snacks, get_snack
 import socket
 from posix import geteuid
+from LDAPConnector import get_uid, set_card_id
 
 CREDITS="""
 This vending machine software brought to you by:
@@ -56,7 +58,7 @@ STATE_GET_SELECTION,
 STATE_GRANDFATHER_CLOCK,
 ) = range(1,8)
 
-TEXT_SPEED = 0.6
+TEXT_SPEED = 0.8
 IDLE_SPEED = 0.05
 
 class DispenseDatabaseException(Exception): pass
@@ -167,7 +169,10 @@ def has_good_pin(uid):
 def verify_user_pin(uid, pin, skip_pin_check=False):
        if skip_pin_check or get_pin(uid) == pin:
                info = pwd.getpwuid(uid)
-               logging.info('accepted pin for uid %d (%s)'%(uid,info.pw_name))
+               if skip_pin_check:
+                       logging.info('accepted mifare for uid %d (%s)'%(uid,info.pw_name))
+               else:
+                       logging.info('accepted pin for uid %d (%s)'%(uid,info.pw_name))
                return info.pw_name
        else:
                logging.info('refused pin for uid %d'%(uid))
@@ -754,10 +759,17 @@ def handle_door_event(state, event, params, v, vstatus):
                v.display("-YUM YUM!-")
 
 def handle_mifare_event(state, event, params, v, vstatus):
-       card_uid = params
+       card_id = params
        # Translate card_id into uid.
-       vstatus.cur_user = str(card_uid)
-       vstatus.username = verify_user_pin(int(card_uid), None, True)
+       if card_id == None:
+               return
+
+       try:
+               vstatus.cur_user = get_uid(card_id)
+               logging.info('Mapped card id to uid %s'%vstatus.cur_user)
+               vstatus.username = verify_user_pin(int(vstatus.cur_user), None, True)
+       except ValueError:
+               vstatus.username = None
        if vstatus.username:
                v.beep(0, False)
                vstatus.cur_selection = ''
@@ -775,6 +787,32 @@ def handle_mifare_event(state, event, params, v, vstatus):
                reset_idler(v, vstatus, 2)
                return
 
+def handle_mifare_add_user_event(state, event, params, v, vstatus):
+       card_id = params
+
+       # Translate card_id into uid.
+       if card_id == None:
+               return
+
+       try:
+               if get_uid(card_id) != None:
+                       vstatus.mk.set_messages(
+                               [(center('ALREADY'), False, 0.5),
+                                (center('ENROLLED'), False, 0.5)])
+
+                       # scroll_options(vstatus.username, vstatus.mk)
+                       return
+       except ValueError:
+               pass
+
+       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)
 
@@ -807,7 +845,7 @@ def create_state_table(vstatus):
        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)] = do_nothing
+       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
@@ -829,7 +867,7 @@ def time_to_next_update(vstatus):
        return idle_update
 
 def run_forever(rfh, wfh, options, cf):
-       v = VendingMachine(rfh, wfh)
+       v = VendingMachine(rfh, wfh, USE_MIFARE)
        vstatus = VendState(v)
        create_state_table(vstatus)
 
@@ -891,6 +929,8 @@ def connect_to_vend(options, cf):
                sock.connect((options.host, options.port))
                rfh = sock.makefile('r')
                wfh = sock.makefile('w')
+               global USE_MIFARE
+               USE_MIFARE = 0
                
        return rfh, wfh
 
index aca860e..b7d747a 100644 (file)
@@ -20,7 +20,7 @@ MIFARE = 5
 class VendingException(Exception): pass
 
 class VendingMachine:
-       def __init__(self, rfh, wfh):
+       def __init__(self, rfh, wfh, use_mifare):
                self.events = []
                # Secret
                self.secret = 'SN4CKZ0RZZZZZZZZ'
@@ -37,7 +37,11 @@ class VendingMachine:
                while code != '000':
                        code = self.get_response()[0]
                self.get_switches()
-               self.mifare = MIFAREClient()
+               if use_mifare:
+                       self.mifare = MIFAREClient()
+                       self.mifare_timeout = 0
+               else:
+                       self.mifare = None
 
        def await_prompt(self):
                self.wfh.flush()
@@ -169,9 +173,9 @@ class VendingMachine:
                if timeout == None: timeout = 60*60*24*365
 
                # Make sure we go through the loop at least once.
-               if timeout <= 0: timeout = 0.01
+               if timeout < 0: timeout = 0
 
-               while timeout > 0:
+               while timeout >= 0:
                        this_timeout = min(timeout, 0.2)
                        timeout -= this_timeout
 
@@ -180,14 +184,17 @@ class VendingMachine:
                                self.get_response(async = True)
                                timeout = 0
 
-                       try:
-                               mifare_uid = self.mifare.get_card_uid()
-                       except ValueError:
-                               mifare_uid = None
-                       if mifare_uid != None:
-                               logging.info('Got MIFARE uid %s'%(str(mifare_uid)))
-                               self.events.append((MIFARE, mifare_uid))
-                               timeout = 0
+                       if self.mifare:
+                               now = time()
+                               if now > self.mifare_timeout:
+                                       self.mifare_timeout = now + 0.5
+                                       mifare_uid = self.mifare.get_card_id()
+                                       if mifare_uid != None:
+                                               logging.info('Got MIFARE card id %s'%(str(mifare_uid)))
+                                               self.events.append((MIFARE, mifare_uid))
+                                               timeout = 0
+                       if timeout == 0:
+                               break
 
                if len(self.events) == 0: return (TICK, time())
                ret = self.events[0]

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