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LAT version changes
[uccvend-vendserver.git]
/
sql-edition
/
servers
/
VendingMachine.py
diff --git
a/sql-edition/servers/VendingMachine.py
b/sql-edition/servers/VendingMachine.py
index
4a40922
..
25d375b
100644
(file)
--- a/
sql-edition/servers/VendingMachine.py
+++ b/
sql-edition/servers/VendingMachine.py
@@
-3,6
+3,7
@@
import re
from CRC import do_crc
from select import select
import socket, logging
from CRC import do_crc
from select import select
import socket, logging
+from time import time, sleep
asynchronous_responses = [ '400', '401', # door open/closed
'610', # switches changed
asynchronous_responses = [ '400', '401', # door open/closed
'610', # switches changed
@@
-12,13
+13,15
@@
asynchronous_responses = [ '400', '401', # door open/closed
DOOR = 1
SWITCH = 2
KEY = 3
DOOR = 1
SWITCH = 2
KEY = 3
+TICK = 4
class VendingException(Exception): pass
class VendingMachine:
def __init__(self, rfh, wfh):
self.events = []
class VendingException(Exception): pass
class VendingMachine:
def __init__(self, rfh, wfh):
self.events = []
- self.secret = 'AAAAAAAAAAAAAAAA'
+ # Secret
+ self.secret = 'SN4CKZ0RZZZZZZZZ'
self.rfh = rfh
self.wfh = wfh
self.challenge = None
self.rfh = rfh
self.wfh = wfh
self.challenge = None
@@
-44,6
+47,7
@@
class VendingMachine:
except socket.error:
raise VendingException('failed to read input from vending machine')
if s == '': raise VendingException('nothing read!')
except socket.error:
raise VendingException('failed to read input from vending machine')
if s == '': raise VendingException('nothing read!')
+ if (s != '#' and s != '%') and state == 1: prefix += s
if s == '\n' or s == '\r':
state = 1
prefix = ''
if s == '\n' or s == '\r':
state = 1
prefix = ''
@@
-87,11
+91,12
@@
class VendingMachine:
def handle_event(self, code, text):
if code == '400':
def handle_event(self, code, text):
if code == '400':
- self.events.append((DOOR, 0))
- elif code == '401':
self.events.append((DOOR, 1))
self.events.append((DOOR, 1))
+ elif code == '401':
+ self.events.append((DOOR, 0))
elif code == '610':
elif code == '610':
- self.events.append((SWITCH, None))
+ # NOP this. Nothing handles this yet.
+ #self.events.append((SWITCH, None))
self.interpret_switches(text)
elif code[0] == '2':
self.events.append((KEY, int(code[1:3])))
self.interpret_switches(text)
elif code[0] == '2':
self.events.append((KEY, int(code[1:3])))
@@
-114,7
+119,7
@@
class VendingMachine:
def vend(self, item):
if not re.search('^[0-9][0-9]$', item):
return (False, 'Invalid item requested (%s)'%item)
def vend(self, item):
if not re.search('^[0-9][0-9]$', item):
return (False, 'Invalid item requested (%s)'%item)
- self.wfh.write(self.authed_message(('V%s
\n'%item)+'\n')
)
+ self.wfh.write(self.authed_message(('V%s
'%item))+'\n'
)
(code, string) = self.get_response()
return (code == '100', code, string)
(code, string) = self.get_response()
return (code == '100', code, string)
@@
-143,6
+148,7
@@
class VendingMachine:
def display(self, string):
if len(string) > 10:
string = string[0:10]
def display(self, string):
if len(string) > 10:
string = string[0:10]
+ string = re.sub('(.)\.', lambda match: '.'+match.group(1), string)
self.wfh.write('D'+string+'\n')
(code, string) = self.get_response()
return (code == '300', code, string)
self.wfh.write('D'+string+'\n')
(code, string) = self.get_response()
return (code == '300', code, string)
@@
-150,6
+156,7
@@
class VendingMachine:
def next_event(self, timeout = None):
# we don't want to buffer in the serial port, so we get all the events
# we can ASAP.
def next_event(self, timeout = None):
# we don't want to buffer in the serial port, so we get all the events
# we can ASAP.
+ if timeout < 0: timeout = 0
if len(self.events) > 0: timeout = 0
while True:
(r, _, _) = select([self.rfh], [], [], timeout)
if len(self.events) > 0: timeout = 0
while True:
(r, _, _) = select([self.rfh], [], [], timeout)
@@
-158,7
+165,7
@@
class VendingMachine:
timeout = 0
else:
break
timeout = 0
else:
break
- if len(self.events) == 0: return
None
+ if len(self.events) == 0: return
(TICK, time())
ret = self.events[0]
del self.events[0]
return ret
ret = self.events[0]
del self.events[0]
return ret
UCC
git Repository :: git.ucc.asn.au