blob: 4f9a2db50c298b1cba8e787562b55ea4e4be0601 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
#
# This file is part of pysnmp software.
#
# Copyright (c) 2005-2016, Ilya Etingof <ilya@glas.net>
# License: http://pysnmp.sf.net/license.html
#
from pysnmp import nextid
from pysnmp.proto import error
class Cache(object):
__stateReference = nextid.Integer(0xffffff)
def __init__(self):
self.__cacheEntries = {}
def push(self, **securityData):
stateReference = self.__stateReference()
self.__cacheEntries[stateReference] = securityData
return stateReference
def pop(self, stateReference):
if stateReference in self.__cacheEntries:
securityData = self.__cacheEntries[stateReference]
else:
raise error.ProtocolError(
'Cache miss for stateReference=%s at %s' % (stateReference, self)
)
del self.__cacheEntries[stateReference]
return securityData
|
