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from twisted.internet import defer
from pysnmp.entity.rfc3413 import ntforg
from pyasn1.compat.octets import null
def __cbFun(snmpEngine, sendRequestHandle, errorIndication,
errorStatus, errorIndex, varBinds, cbCtx):
cbCtx.callback(
(snmpEngine, errorIndication, errorStatus, errorIndex, varBinds)
)
class NotificationOriginator:
def __init__(self, snmpContext=None):
self.snmpContext = snmpContext # this is deprecated
self.notificationOriginator = ntforg.NotificationOriginator()
def sendVarBinds(self,
snmpEngine,
notificationTarget,
snmpContext,
contextName,
notificationName,
instanceIndex,
additionalVarBinds=()):
df = defer.Deferred()
self.notificationOriginator.sendVarBinds(
snmpEngine,
notificationTarget,
snmpContext,
contextName,
notificationName,
instanceIndex,
additionalVarBinds,
__cbFun,
df
)
return df
#
# Obsolete, compatibility interfaces.
#
def __sendReqCbFun(response, outerDf):
( snmpEngine,
errorIndication,
errorStatus,
errorIndex,
varBinds) = response
outerDf.callback((errorIndication, errorStatus, errorIndex, varBinds))
# Callback function may return another deferred to indicate
# it wishes to continue MIB walk.
if isinstance(outerDf.result, defer.Deferred):
innerDf = defer.Deferred()
innerDf.addCallback(__sendReqCbFun, outerDf.result)
return innerDf
def _sendNotification(self,
snmpEngine,
notificationTarget,
notificationName,
additionalVarBinds=None,
contextName=null):
innerDf = self.sendVarBinds(snmpEngine,
notificationTarget,
self.snmpContext,
contextName,
notificationName,
None,
additionalVarBinds)
outerDf = defer.Deferred()
innerDf.addCallback(__sendReqCbFun, outerDf)
return outerDf
# install compatibility wrappers
NotificationOriginator.sendNotification = _sendNotification
|
