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"""
SNMPv2c TRAP via Twisted inline callbacks
+++++++++++++++++++++++++++++++++++++++++
Send SNMPv2c TRAP through unified SNMPv3 message processing framework
using the following options:
* SNMPv2c
* with community name 'public'
* over IPv4/UDP
* send TRAP notification
* with Generic Trap #1 (warmStart) and Specific Trap 0
* include managed object information '1.3.6.1.2.1.1.1.0' = 'my system'
Functionally similar to:
| $ snmptrap -v2c -c public demo.snmplabs.com 12345 1.3.6.1.6.3.1.1.5.2 1.3.6.1.2.1.1.1.0 s "Hello from Twisted"
"""#
from twisted.internet.task import react, defer
from pysnmp.hlapi.v3arch.twisted import *
@defer.inlineCallbacks
def sendtrap(reactor, snmpEngine, hostname):
yield sendNotification(
snmpEngine,
CommunityData('public', mpModel=0),
UdpTransportTarget((hostname, 162)),
ContextData(),
'trap',
NotificationType(
ObjectIdentity('1.3.6.1.6.3.1.1.5.2')
).loadMibs(
'SNMPv2-MIB'
).addVarBinds(
ObjectType(ObjectIdentity('1.3.6.1.2.1.1.1.0'), OctetString('Hello from Twisted'))
)
)
# Preserve SnmpEngine instance across [potentially] multiple calls to safe on initialization
snmpEngine = SnmpEngine()
react(sendtrap, [snmpEngine, 'demo.snmplabs.com'])
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