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"""Notification Originator Application (TRAP)"""
from pysnmp.carrier.asynsock.dispatch import AsynsockDispatcher
from pysnmp.carrier.asynsock.dgram import udp
from pyasn1.codec.ber import encoder
from pysnmp.proto import api
# Protocol version to use
verID = api.protoVersion1
pMod = api.protoModules[verID]
# Build PDU
trapPDU = pMod.TrapPDU()
pMod.apiTrapPDU.setDefaults(trapPDU)
# Traps have quite different semantics among proto versions
if verID == api.protoVersion1:
pMod.apiTrapPDU.setEnterprise(trapPDU, (1,3,6,1,1,2,3,4,1))
pMod.apiTrapPDU.setGenericTrap(trapPDU, 'coldStart')
# Build message
trapMsg = pMod.Message()
pMod.apiMessage.setDefaults(trapMsg)
pMod.apiMessage.setCommunity(trapMsg, 'public')
pMod.apiMessage.setPDU(trapMsg, trapPDU)
transportDispatcher = AsynsockDispatcher()
transportDispatcher.registerTransport(
udp.domainName, udp.UdpSocketTransport().openClientMode()
)
transportDispatcher.sendMessage(
encoder.encode(trapMsg), udp.domainName, ('localhost', 162)
)
transportDispatcher.jobStarted(1)
transportDispatcher.runDispatcher()
transportDispatcher.closeDispatcher()
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