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Pysnmp陷阱Reciver與PYSNMP-4.3.4一起崩潰4.3.3與012.相同4.3.2它工作的很好。Iusse可重現每次。 同時發生代理髮布時多個陷阱消息。PYSNMP TRAP/Inform Reciver與PYSNMP 4.3.4和4.3.3崩潰
像這樣，你不會看到錯誤：
snmptrap -v3 -u user_auth1 -l noAuthNoPriv -e 80000F150000000000000000 127.0.0.1:1036 123 1.3.6.1.6.3.1.1.5.1
當代理漢王正在發送一個以上的陷阱消息，這個問題重現。
參考用於重現該問題的婁代碼，
from pysnmp.entity import engine, config
from pysnmp.carrier.asyncore.dgram import udp
from pysnmp.entity.rfc3413 import ntfrcv
from pysnmp.proto.api import v2c
from pysnmp.smi import builder, view, compiler, rfc1902, error
from pysnmp import debug
debug.setLogger(debug.Debug('all'))
snmpEngine = engine.SnmpEngine()
config.addTransport(
snmpEngine,
udp.domainName,
udp.UdpTransport().openServerMode(('0.0.0.0', 1036))
)
config.addV3User(
snmpEngine, 'user_snmp1234',
config.usmHMACMD5AuthProtocol, 'authkey1',
config.usmDESPrivProtocol, 'privkey1',
securityEngineId=v2c.OctetString(hexValue='80000F150000000000000000')
)
config.addV3User(
snmpEngine, 'user_auth1',
securityEngineId=v2c.OctetString(hexValue='80000F150000000000000000')
)
mibBuilder = builder.MibBuilder()
custom_mib_path= <provide the MIB Path>
compiler.addMibCompiler(mibBuilder, sources=custom_mib_path.split(","))
mibViewController = view.MibViewController(mibBuilder)
load_mib_module = <PROVIDE the MIB Modules>
for mibs in load_mib_module.split(","):
mibBuilder.loadModules(mibs)
def cbFun(snmpEngine, stateReference, contextEngineId, contextName,
varBinds, cbCtx):
print "#######################Recived Notification from {} #######################".format(snmpEngine.msgAndPduDsp.getTransportInfo(stateReference)[-1][0])
execContext = snmpEngine.observer.getExecutionContext(
'rfc3412.receiveMessage:request'
)
#print "########### execContext {}".format(execContext)
print('Notification from %s, ContextEngineId "%s", ContextName "%s " SNMPVER "%s" securityName "%s"' % ('@'.join([str(x) for x in execContext['transportAddress']]),contextEngineId.prettyPrint(),contextName.prettyPrint(), execContext['securityModel'], execContext['securityName']))
for oid, val in varBinds:
output = rfc1902.ObjectType(rfc1902.ObjectIdentity(oid),val).resolveWithMib(mibViewController).prettyPrint()
print output
ntfrcv.NotificationReceiver(snmpEngine, cbFun)
snmpEngine.transportDispatcher.jobStarted(1)
try:
snmpEngine.transportDispatcher.runDispatcher()
except:
snmpEngine.transportDispatcher.closeDispatcher()
raise
當reciving多個陷阱消息及其引發異常，如：
Traceback (most recent call last):
File "<stdin>", line 2, in <module>
File "/home/user/VIRT/lib/python2.7/site-packages/pysnmp/carrier/asyncore/dispatch.py", line 50, in runDispatcher
raise PySnmpError('poll error: %s' % ';'.join(format_exception(*exc_info())))
pysnmp.error.PySnmpError: poll error: Traceback (most recent call last):
; File "/home/user/VIRT/lib/python2.7/site-packages/pysnmp/carrier/asyncore/dispatch.py", line 46, in runDispatcher
use_poll=True, map=self.__sockMap, count=1)
; File "/local/python/2.7.8/lib/python2.7/asyncore.py", line 220, in loop
poll_fun(timeout, map)
; File "/local/python/2.7.8/lib/python2.7/asyncore.py", line 201, in poll2
readwrite(obj, flags)
; File "/local/python/2.7.8/lib/python2.7/asyncore.py", line 123, in readwrite
obj.handle_error()
; File "/local/python/2.7.8/lib/python2.7/asyncore.py", line 108, in readwrite
obj.handle_read_event()
; File "/local/python/2.7.8/lib/python2.7/asyncore.py", line 449, in handle_read_event
self.handle_read()
; File "/home/user/VIRT/lib/python2.7/site-packages/pysnmp/carrier/asyncore/dgram/base.py", line 163, in handle_read
self._cbFun(self, transportAddress, incomingMessage)
; File "/home/user/VIRT/lib/python2.7/site-packages/pysnmp/carrier/base.py", line 70, in _cbFun
self, transportDomain, transportAddress, incomingMessage
; File "/home/user/VIRT/lib/python2.7/site-packages/pysnmp/entity/engine.py", line 154, in __receiveMessageCbFun
self, transportDomain, transportAddress, wholeMsg
; File "/home/user/VIRT/lib/python2.7/site-packages/pysnmp/proto/rfc3412.py", line 421, in receiveMessage
PDU, maxSizeResponseScopedPDU, stateReference)
; File "/home/user/VIRT/lib/python2.7/site-packages/pysnmp/entity/rfc3413/ntfrcv.py", line 99, in processPdu
contextName, varBinds, self.__cbCtx)
; File "<stdin>", line 10, in cbFun
; File "/home/user/VIRT/lib/python2.7/site-packages/pysnmp/smi/rfc1902.py", line 865, in resolveWithMib
self.__args[1] = self.__args[0].getMibNode().getSyntax().clone(self.__args[1])
; File "/home/user/VIRT/lib/python2.7/site-packages/pysnmp/proto/rfc1902.py", line 203, in clone
return univ.OctetString.clone(self, *args, **kwargs).setFixedLength(self.getFixedLength())
; File "/home/user/VIRT/lib/python2.7/site-packages/pyasn1/type/univ.py", line 881, in clone
value, tagSet, subtypeSpec, encoding, binValue, hexValue
; File "/home/user/VIRT/lib/python2.7/site-packages/pyasn1/type/univ.py", line 833, in __init__
base.AbstractSimpleAsn1Item.__init__(self, value, tagSet, subtypeSpec)
; File "/home/user/VIRT/lib/python2.7/site-packages/pyasn1/type/base.py", line 176, in __init__
value = self.prettyIn(value)
; File "/tmp/pip-build-K5McN0/pysnmp/pysnmp/smi/mibs/SNMPv2-TC.py", line 273, in prettyIn
; File "/home/user/VIRT/lib/python2.7/site-packages/pyasn1/type/base.py", line 107, in isSuperTypeOf
self._tagSet.isSuperTagSetOf(other.getTagSet())) and \
; File "/home/user/VIRT/lib/python2.7/site-packages/pyasn1/type/tag.py", line 177, in isSuperTagSetOf
if self.__superTags[idx] != tagSet[idx]:
; File "/home/user/VIRT/lib/python2.7/site-packages/pyasn1/type/tag.py", line 142, in __getitem__
if isinstance(idx, slice):
;RuntimeError: maximum recursion depth exceeded while calling a Python object