Pysnmp陷阱接收器与PYSNMP-4.3.4相同，与4.3.3相同 4.3.2它工作得很好.Iusse每次都可以重现。 当代理同时发出多个陷阱消息时发生。
与此类似，您将看不到错误：
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
当代理HW正在发送多个陷阱消息时，此问题正在复制。
请参阅下面用于重现问题的代码，
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
当收到多个TRAP消息时，它会抛出异常，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