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"""
SNMPv1
++++++
Send SNMP GET request using the following options:
* with SNMPv1, community 'public'
* over IPv4/UDP
* to an Agent at demo.snmplabs.com:161
* for the 1.3.6.1.2.1.1.1.0 OID (e.g. SNMPv2-MIB::sysDescr.0 MIB object)
* Based on asyncio I/O framework
Functionally similar to:
| $ snmpget -v1 -c public demo.snmplabs.com SNMPv2-MIB::sysDescr.0
"""#
import asyncio
from pysnmp.hlapi.v1arch.asyncio import *
@asyncio.coroutine
def run():
snmpDispatcher = SnmpDispatcher()
iterator = getCmd(
snmpDispatcher,
CommunityData('public', mpModel=0),
UdpTransportTarget(('demo.snmplabs.com', 161)),
('1.3.6.1.2.1.1.1.0', None)
)
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.transportDispatcher.closeDispatcher()
asyncio.get_event_loop().run_until_complete(run())
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