diff options
Diffstat (limited to 'examples/hlapi/asyncio/manager/cmdgen/multiple-concurrent-async-queries.py')
-rw-r--r-- | examples/hlapi/asyncio/manager/cmdgen/multiple-concurrent-async-queries.py | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/examples/hlapi/asyncio/manager/cmdgen/multiple-concurrent-async-queries.py b/examples/hlapi/asyncio/manager/cmdgen/multiple-concurrent-async-queries.py new file mode 100644 index 0000000..81de80a --- /dev/null +++ b/examples/hlapi/asyncio/manager/cmdgen/multiple-concurrent-async-queries.py @@ -0,0 +1,52 @@ +""" +Concurrent queries +++++++++++++++++++ + +Send multiple SNMP GET requests at once 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.asyncio import * + +@asyncio.coroutine +def getone(snmpEngine, hostname): + errorIndication, errorStatus, errorIndex, varBinds = yield from getCmd( + snmpEngine, + CommunityData('public'), + UdpTransportTarget(hostname), + ContextData(), + ObjectType(ObjectIdentity('SNMPv2-MIB', 'sysDescr', 0)) + ) + + 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 ])) + +snmpEngine = SnmpEngine() + +loop = asyncio.get_event_loop() +loop.run_until_complete( + asyncio.wait([getone(snmpEngine, ('demo.snmplabs.com', 1161)), + getone(snmpEngine, ('demo.snmplabs.com', 2161)), + getone(snmpEngine, ('demo.snmplabs.com', 3161))]) +) |