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# GETNEXT Command Generator
from pysnmp.entity import engine, config
from pysnmp.carrier.asynsock.dgram import udp
from pysnmp.entity.rfc3413 import cmdgen
snmpEngine = engine.SnmpEngine()
# v1/2 setup
config.addV1System(snmpEngine, 'test-agent', 'public')
# v3 setup
config.addV3User(
snmpEngine, 'test-user',
config.usmHMACMD5AuthProtocol, 'authkey1',
config.usmDESPrivProtocol, 'privkey1'
)
# Transport params
config.addTargetParams(snmpEngine, 'myParams', 'test-user', 'authPriv')
#config.addTargetParams(snmpEngine, 'myParams', 'test-agent', 'noAuthNoPriv', 1)
# Transport addresses
config.addTargetAddr(
snmpEngine, 'myRouter', config.snmpUDPDomain,
('127.0.0.1', 161), 'myParams'
)
# Transport
config.addSocketTransport(
snmpEngine,
config.snmpUDPDomain,
udp.UdpSocketTransport().openClientMode()
)
def cbFun(sendRequestHandle, errorIndication, errorStatus, errorIndex,
varBindTable, cbCtx):
if errorIndication:
print errorIndication
return
# SNMPv1 response may contain noSuchName error *and* SNMPv2c exception,
# so we ignore noSuchName error here
if errorStatus and errorStatus != 2:
print errorStatus.prettyPrint()
return
for varBindRow in varBindTable:
for oid, val in varBindRow:
if val is None:
print oid.prettyPrint()
else:
print '%s = %s' % (oid.prettyPrint(), val.prettyPrint())
for oid, val in varBindTable[-1]:
if val is not None:
break
else:
return # stop on end-of-table
return 1 # continue walking
cmdgen.NextCommandGenerator().sendReq(
snmpEngine, 'myRouter', (((1,3,6,1,2,1,1), None),), cbFun
)
snmpEngine.transportDispatcher.runDispatcher()
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