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"""
Bulk walk MIB
+++++++++++++
Send a series of SNMP GETBULK requests using the following options:
* with SNMPv2c, community 'public'
* over IPv4/UDP
* to an Agent at demo.pysnmp.com:161
* for all OIDs past SNMPv2-MIB::system
* run till end-of-mib condition is reported by Agent
* based on asyncio I/O framework
Functionally similar to:
| $ snmpbulkwalk -v2c -c public -Cn0 -Cr50 \
| demo.pysnmp.com SNMPv2-MIB::system
""" #
import asyncio
from pysnmp.hlapi.v1arch.asyncio import *
async def run(varBinds):
with SnmpDispatcher() as snmpDispatcher:
while True:
iterator = await bulk_cmd(
snmpDispatcher,
CommunityData("public"),
await UdpTransportTarget.create(("demo.pysnmp.com", 161)),
0,
50,
*varBinds,
)
errorIndication, errorStatus, errorIndex, varBindTable = iterator
if errorIndication:
print(errorIndication)
break
elif errorStatus:
print(
"{} at {}".format(
errorStatus.prettyPrint(),
errorIndex and varBinds[int(errorIndex) - 1][0] or "?",
)
)
else:
for varBind in varBindTable:
print(" = ".join([x.prettyPrint() for x in varBind]))
varBinds = varBindTable
if is_end_of_mib(varBinds):
break
asyncio.run(run([ObjectType(ObjectIdentity("SNMPv2-MIB", "sysDescr"))]))
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