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"""
Multiple concurrent notifications
+++++++++++++++++++++++++++++++++
Send multiple SNMP notifications at once using the following options:
* SNMPv2c
* with community name 'public'
* over IPv4/UDP
* send TRAP and INFORM notification
* to multiple Managers
* with TRAP ID 'coldStart' specified as a MIB symbol
* include managed object information specified as var-bind objects pair
Here we tag each SNMP-COMMUNITY-MIB::snmpCommunityTable row
with the same tag as SNMP-TARGET-MIB::snmpTargetAddrTable row
what leads to excessive tables information.
Functionally similar to:
| $ snmptrap -v2c -c public demo.snmplabs.com 12345 1.3.6.1.6.3.1.1.5.2
| $ snmpinform -v2c -c public demo.snmplabs.com 12345 1.3.6.1.6.3.1.1.5.2
"""#
from twisted.internet.defer import DeferredList
from twisted.internet.task import react
from pysnmp.hlapi.twisted import *
def success(args, hostname):
(errorStatus, errorIndex, varBinds) = args
if errorStatus:
print('%s: %s at %s' % (hostname,
errorStatus.prettyPrint(),
errorIndex and varBinds[int(errorIndex) - 1][0] or '?'))
else:
for varBind in varBinds:
print(' = '.join([x.prettyPrint() for x in varBind]))
def failure(errorIndication, hostname):
print('%s failure: %s' % (hostname, errorIndication))
# noinspection PyUnusedLocal
def sendone(reactor, snmpEngine, hostname, notifyType):
d = sendNotification(
snmpEngine,
CommunityData('public', tag=hostname),
UdpTransportTarget((hostname, 162), tagList=hostname),
ContextData(),
notifyType,
NotificationType(
ObjectIdentity('1.3.6.1.6.3.1.1.5.2')
).addVarBinds(
('1.3.6.1.6.3.1.1.4.3.0', '1.3.6.1.4.1.20408.4.1.1.2'),
('1.3.6.1.2.1.1.1.0', OctetString('my system'))
)
)
d.addCallback(success, hostname).addErrback(failure, hostname)
return d
def sendall(reactor, destinations):
snmpEngine = SnmpEngine()
return DeferredList(
[sendone(reactor, snmpEngine, hostname, notifyType)
for hostname, notifyType in destinations]
)
react(sendall, [[('demo.snmplabs.com', 'trap'),
('demo.snmplabs.com', 'inform')]])
|
