diff options
Diffstat (limited to 'examples/hlapi/v1arch/asyncio/manager/cmdgen/multiple-sequential-queries.py')
-rw-r--r-- | examples/hlapi/v1arch/asyncio/manager/cmdgen/multiple-sequential-queries.py | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/examples/hlapi/v1arch/asyncio/manager/cmdgen/multiple-sequential-queries.py b/examples/hlapi/v1arch/asyncio/manager/cmdgen/multiple-sequential-queries.py new file mode 100644 index 00000000..3ce3c232 --- /dev/null +++ b/examples/hlapi/v1arch/asyncio/manager/cmdgen/multiple-sequential-queries.py @@ -0,0 +1,68 @@ +""" +Sequential queries +++++++++++++++++++ + +Send multiple SNMP GET requests one by one using the following options: + +* with SNMPv2c, community 'public' +* over IPv4/UDP +* to multiple Agents at demo.snmplabs.com +* for instance of SNMPv2-MIB::sysDescr.0 MIB object +* based on asyncio I/O framework + +Functionally similar to: + +| $ snmpget -v2c -c public demo.snmplabs.com:1161 SNMPv2-MIB::sysDescr.0 +| $ snmpget -v2c -c public demo.snmplabs.com:2161 SNMPv2-MIB::sysDescr.0 +| $ snmpget -v2c -c public demo.snmplabs.com:3161 SNMPv2-MIB::sysDescr.0 + +"""# +import asyncio +from pysnmp.hlapi.v1arch.asyncio import * + + +@asyncio.coroutine +def getone(snmpDispatcher, hostname): + + iterator = getCmd( + snmpDispatcher, + CommunityData('public'), + UdpTransportTarget(hostname), + ObjectType(ObjectIdentity('SNMPv2-MIB', 'sysDescr', 0)) + ) + + 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])) + + +@asyncio.coroutine +def getall(snmpDispatcher, hostnames): + for hostname in hostnames: + yield from getone(snmpDispatcher, hostname) + + +snmpDispatcher = SnmpDispatcher() + +loop = asyncio.get_event_loop() + +loop.run_until_complete( + getall( + snmpDispatcher, [ + ('demo.snmplabs.com', 1161), + ('demo.snmplabs.com', 2161), + ('demo.snmplabs.com', 3161) + ] + ) +) |