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Random idler fixes.
[uccvend-vendserver.git]
/
sql-edition
/
servers
/
VendingMachine.py
diff --git
a/sql-edition/servers/VendingMachine.py
b/sql-edition/servers/VendingMachine.py
index
edc593c
..
4a40922
100644
(file)
--- a/
sql-edition/servers/VendingMachine.py
+++ b/
sql-edition/servers/VendingMachine.py
@@
-2,6
+2,7
@@
import re
from CRC import do_crc
from select import select
import re
from CRC import do_crc
from select import select
+import socket, logging
asynchronous_responses = [ '400', '401', # door open/closed
'610', # switches changed
asynchronous_responses = [ '400', '401', # door open/closed
'610', # switches changed
@@
-12,6
+13,8
@@
DOOR = 1
SWITCH = 2
KEY = 3
SWITCH = 2
KEY = 3
+class VendingException(Exception): pass
+
class VendingMachine:
def __init__(self, rfh, wfh):
self.events = []
class VendingMachine:
def __init__(self, rfh, wfh):
self.events = []
@@
-27,7
+30,7
@@
class VendingMachine:
self.wfh.write('PING\n')
code = ''
while code != '000':
self.wfh.write('PING\n')
code = ''
while code != '000':
- (code, _) = self.get_response()
+ code = self.get_response()[0]
self.get_switches()
def await_prompt(self):
self.get_switches()
def await_prompt(self):
@@
-36,8
+39,11
@@
class VendingMachine:
prefix = ''
s = ''
while True:
prefix = ''
s = ''
while True:
- s = self.rfh.read(1)
- if s == '': raise Exception('nothing read!')
+ try:
+ s = self.rfh.read(1)
+ except socket.error:
+ raise VendingException('failed to read input from vending machine')
+ if s == '': raise VendingException('nothing read!')
if s == '\n' or s == '\r':
state = 1
prefix = ''
if s == '\n' or s == '\r':
state = 1
prefix = ''
@@
-56,7
+62,8
@@
class VendingMachine:
s = ''
while s == '':
s = self.rfh.readline()
s = ''
while s == '':
s = self.rfh.readline()
- if s == '': return None
+ if s == '':
+ raise VendingException('Input socket has closed!')
s = s.strip('\r\n')
code = s[0:3]
text = s[4:]
s = s.strip('\r\n')
code = s[0:3]
text = s[4:]
@@
-89,7
+96,7
@@
class VendingMachine:
elif code[0] == '2':
self.events.append((KEY, int(code[1:3])))
else:
elif code[0] == '2':
self.events.append((KEY, int(code[1:3])))
else:
-
sys.stderr.write('WARNING:
Unhandled event! (%s %s)\n'%(code,text))
+
logging.warning('
Unhandled event! (%s %s)\n'%(code,text))
def authed_message(self, message):
if self.challenge == None:
def authed_message(self, message):
if self.challenge == None:
UCC
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