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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 INFORM notification
* to multiple Managers
* with TRAP ID 'coldStart' specified as a MIB symbol
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
"""#
import asyncio
from pysnmp.hlapi.v1arch.asyncio import *
@asyncio.coroutine
def sendone(snmpDispatcher, hostname, notifyType):
iterator = sendNotification(
snmpDispatcher,
CommunityData('public'),
UdpTransportTarget((hostname, 162)),
notifyType,
NotificationType(
ObjectIdentity('1.3.6.1.6.3.1.1.5.2')
).loadMibs('SNMPv2-MIB')
)
errorIndication, errorStatus, errorIndex, varBinds = yield from iterator
if errorIndication:
print(errorIndication)
elif errorStatus:
print('%s: at %s' % (errorStatus.prettyPrint(), errorIndex and
varBinds[int(errorIndex) - 1][0] or '?'))
else:
for varBind in varBinds:
print(' = '.join([x.prettyPrint() for x in varBind]))
snmpDispatcher = SnmpDispatcher()
loop = asyncio.get_event_loop()
loop.run_until_complete(
asyncio.wait(
[sendone(snmpDispatcher, 'demo.snmplabs.com', 'trap'),
sendone(snmpDispatcher, 'demo.snmplabs.com', 'inform')]
)
)
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