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Diffstat (limited to 'examples/v3arch/asyncore/manager/ntfrcv/v2c-multiple-transports.py')
-rw-r--r-- | examples/v3arch/asyncore/manager/ntfrcv/v2c-multiple-transports.py | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/examples/v3arch/asyncore/manager/ntfrcv/v2c-multiple-transports.py b/examples/v3arch/asyncore/manager/ntfrcv/v2c-multiple-transports.py new file mode 100644 index 0000000..31fcb2b --- /dev/null +++ b/examples/v3arch/asyncore/manager/ntfrcv/v2c-multiple-transports.py @@ -0,0 +1,71 @@ +""" +Using multiple network transports ++++++++++++++++++++++++++++++++++ + +Receive SNMP TRAP/INFORM messages with the following options: + +* SNMPv1/SNMPv2c +* with SNMP community "public" +* over IPv4/UDP, listening at 127.0.0.1:162 + over IPv6/UDP, listening at [::1]:162 +* print received data on stdout + +Either of the following Net-SNMP commands will send notifications to this +receiver: + +| $ snmptrap -v1 -c public 127.0.0.1 1.3.6.1.4.1.20408.4.1.1.2 127.0.0.1 1 1 123 1.3.6.1.2.1.1.1.0 s test +| $ snmptrap -v2c -c public udp6:[::1]:162 123 1.3.6.1.6.3.1.1.5.1 1.3.6.1.2.1.1.5.0 s test +| $ snmpinform -v2c -c public 127.0.0.1 123 1.3.6.1.6.3.1.1.5.1 + +"""# +from pysnmp.entity import engine, config +from pysnmp.carrier.asyncore.dgram import udp, udp6 +from pysnmp.entity.rfc3413 import ntfrcv + +# Create SNMP engine with autogenernated engineID and pre-bound +# to socket transport dispatcher +snmpEngine = engine.SnmpEngine() + +# Transport setup + +# UDP over IPv4 +config.addTransport( + snmpEngine, + udp.domainName, + udp.UdpTransport().openServerMode(('127.0.0.1', 162)) +) + +# UDP over IPv6 +config.addTransport( + snmpEngine, + udp6.domainName, + udp6.Udp6Transport().openServerMode(('::1', 162)) + ) + +# SNMPv1/2c setup + +# SecurityName <-> CommunityName mapping +config.addV1System(snmpEngine, 'my-area', 'public') + +# Callback function for receiving notifications +def cbFun(snmpEngine, stateReference, contextEngineId, contextName, + varBinds, cbCtx): + print('Notification from ContextEngineId "%s", ContextName "%s"' % ( + contextEngineId.prettyPrint(), + contextName.prettyPrint() + ) + ) + for name, val in varBinds: + print('%s = %s' % (name.prettyPrint(), val.prettyPrint())) + +# Register SNMP Application at the SNMP engine +ntfrcv.NotificationReceiver(snmpEngine, cbFun) + +snmpEngine.transportDispatcher.jobStarted(1) # this job would never finish + +# Run I/O dispatcher which would receive queries and send confirmations +try: + snmpEngine.transportDispatcher.runDispatcher() +except: + snmpEngine.transportDispatcher.closeDispatcher() + raise |