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from pysnmp.entity import config
from pysnmp.entity.rfc3413 import ntforg, context
from pysnmp.entity.rfc3413.oneliner import cmdgen
# Auth protocol
usmHMACMD5AuthProtocol = cmdgen.usmHMACMD5AuthProtocol
usmHMACSHAAuthProtocol = cmdgen.usmHMACSHAAuthProtocol
usmNoAuthProtocol = cmdgen.usmNoAuthProtocol
# Privacy protocol
usmDESPrivProtocol = cmdgen.usmDESPrivProtocol
usmNoPrivProtocol = cmdgen.usmNoPrivProtocol
# Credentials
CommunityData = cmdgen.CommunityData
UsmUserData = cmdgen.UsmUserData
# Transport
UdpTransportTarget = cmdgen.UdpTransportTarget
class AsynNotificationOriginator(cmdgen.AsynCommandGenerator):
def __init__(self, snmpEngine=None, snmpContext=None):
cmdgen.AsynCommandGenerator.__init__(self, snmpEngine)
self.snmpContext = snmpContext
self.__knownAuths = {}
def asyncSendNotification(
self, authData, transportTarget, notificationType, varBinds=None
):
tagList = 'notify-list'
addrName, paramsName = cmdgen.AsynCommandGenerator._configure(
self, authData, transportTarget, tagList
)
notifyName = '%s-name' % tagList
if not self.__knownAuths.has_key(authData):
config.addNotificationTarget(
self.snmpEngine,
notifyName,
paramsName,
tagList
)
config.addContext(
self.snmpEngine, ''
)
config.addTrapUser(
self.snmpEngine,
authData.securityModel,
authData.securityName,
authData.securityLevel,
(1,3,6)
)
if self.snmpContext is None:
self.snmpContext = context.SnmpContext(self.snmpEngine)
self.__knownAuths[authData] = 1
if varBinds:
__varBinds = []
for varName, varVal in varBinds:
name, oid = mibvar.mibNameToOid(
self.mibViewController, varName
)
__varBinds.append((name + oid, varVal))
else:
__varBinds = None
return ntforg.NotificationOriginator(snmpContext).sendNotification(
self.snmpEngine, notifyName, notificationType, __varBinds
)
class NotificationOriginator(AsynNotificationOriginator):
def sendNotification(
self, authData, transportTarget, notificationType, varBinds=None
):
errorIndication = self.asyncSendNotification(
authData, transportTarget, notificationType, varBinds
)
if errorIndication:
return errorIndication
self.snmpEngine.transportDispatcher.runDispatcher()
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