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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.pysnmp.com 12345 1.3.6.1.6.3.1.1.5.2
| $ snmpinform -v2c -c public demo.pysnmp.com 12345 1.3.6.1.6.3.1.1.5.2
""" #
import asyncio
from pysnmp.hlapi.v1arch.asyncio import *
async def sendone(snmpDispatcher, hostname, notifyType):
iterator = await send_notification(
snmpDispatcher,
CommunityData("public"),
await UdpTransportTarget.create((hostname, 162)),
notifyType,
NotificationType(ObjectIdentity("1.3.6.1.6.3.1.1.5.2"))
.load_mibs("SNMPv2-MIB")
.add_varbinds(
("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")),
),
)
errorIndication, errorStatus, errorIndex, varBinds = iterator
if errorIndication:
print(errorIndication)
elif errorStatus:
print(
"{}: at {}".format(
errorStatus.prettyPrint(),
errorIndex and varBinds[int(errorIndex) - 1][0] or "?",
)
)
else:
for varBind in varBinds:
print(" = ".join([x.prettyPrint() for x in varBind]))
async def main():
with SnmpDispatcher() as snmpDispatcher:
await asyncio.gather(
sendone(snmpDispatcher, "demo.pysnmp.com", "trap"),
sendone(snmpDispatcher, "demo.pysnmp.com", "inform"),
)
asyncio.run(main())
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