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Diffstat (limited to 'examples/v3arch/asyncore/manager/cmdgen/get-v2c-custom-timeout.py')
-rw-r--r-- | examples/v3arch/asyncore/manager/cmdgen/get-v2c-custom-timeout.py | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/examples/v3arch/asyncore/manager/cmdgen/get-v2c-custom-timeout.py b/examples/v3arch/asyncore/manager/cmdgen/get-v2c-custom-timeout.py new file mode 100644 index 0000000..b91a4b6 --- /dev/null +++ b/examples/v3arch/asyncore/manager/cmdgen/get-v2c-custom-timeout.py @@ -0,0 +1,79 @@ +""" +SNMPv2c, custom timeout ++++++++++++++++++++++++ + +Send a SNMP GET request: + +* with SNMPv2c, community 'public' +* over IPv4/UDP +* to an Agent at 195.218.195.228:161 +* wait 3 seconds for response, retry 5 times (plus one initial attempt) +* for an OID in tuple form + +This script performs similar to the following Net-SNMP command: + +| $ snmpget -v2c -c public -ObentU -r 5 -t 1 195.218.195.228 1.3.6.1.2.1.1.1.0 + +"""# +from pysnmp.entity import engine, config +from pysnmp.carrier.asyncore.dgram import udp +from pysnmp.entity.rfc3413 import cmdgen + +# Create SNMP engine instance +snmpEngine = engine.SnmpEngine() + +# +# SNMPv2c setup +# + +# SecurityName <-> CommunityName mapping +config.addV1System(snmpEngine, 'my-area', 'public') + +# Specify security settings per SecurityName (SNMPv1 - 0, SNMPv2c - 1) +config.addTargetParams(snmpEngine, 'my-creds', 'my-area', 'noAuthNoPriv', 1) + +# +# Setup transport endpoint and bind it with security settings yielding +# a target name +# + +# UDP/IPv4 +config.addTransport( + snmpEngine, + udp.domainName, + udp.UdpSocketTransport().openClientMode() +) +config.addTargetAddr( + snmpEngine, 'my-router', + udp.domainName, ('195.218.195.228', 161), + 'my-creds', + timeout=300, # in 1/100 sec + retryCount=5 +) + +# Error/response receiver +def cbFun(snmpEngine, sendRequestHandle, errorIndication, + errorStatus, errorIndex, varBinds, cbCtx): + if errorIndication: + print(errorIndication) + elif errorStatus: + print('%s at %s' % ( + errorStatus.prettyPrint(), + errorIndex and varBinds[int(errorIndex)-1][0] or '?' + ) + ) + else: + for oid, val in varBinds: + print('%s = %s' % (oid.prettyPrint(), val.prettyPrint())) + +# Prepare and send a request message +cmdgen.GetCommandGenerator().sendVarBinds( + snmpEngine, + 'my-router', + None, '', # contextEngineId, contextName + [ ((1,3,6,1,2,1,1,1,0), None) ], + cbFun +) + +# Run I/O dispatcher which would send pending queries and process responses +snmpEngine.transportDispatcher.runDispatcher() |