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Diffstat (limited to 'examples/v3arch/asyncore/oneliner/manager/cmdgen/getnext-async-multiple-transports-and-protocols.py')
-rw-r--r-- | examples/v3arch/asyncore/oneliner/manager/cmdgen/getnext-async-multiple-transports-and-protocols.py | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/examples/v3arch/asyncore/oneliner/manager/cmdgen/getnext-async-multiple-transports-and-protocols.py b/examples/v3arch/asyncore/oneliner/manager/cmdgen/getnext-async-multiple-transports-and-protocols.py new file mode 100644 index 0000000..b1304ae --- /dev/null +++ b/examples/v3arch/asyncore/oneliner/manager/cmdgen/getnext-async-multiple-transports-and-protocols.py @@ -0,0 +1,90 @@ +## +# Asynchronous Command Generator +# +# Send a bunch of SNMP GETNEXT requests all at once using the following options: +# +# * with SNMPv1, community 'public' and +# with SNMPv2c, community 'public' and +# with SNMPv3, user 'usr-md5-des', MD5 auth and DES privacy +# * over IPv4/UDP and +# over IPv6/UDP +# * to an Agent at demo.snmplabs.com:161 and +# to an Agent at [::1]:161 +# * for multiple MIB subtrees and tables +# +from pysnmp.entity import engine +from pysnmp.entity.rfc3413.oneliner import cmdgen + +# List of targets in the followin format: +# ( ( authData, transportTarget, varNames ), ... ) +targets = ( + # 1-st target (SNMPv1 over IPv4/UDP) + ( cmdgen.CommunityData('public', mpModel=0), + cmdgen.UdpTransportTarget(('demo.snmplabs.com', 161)), + ( cmdgen.ObjectType(cmdgen.ObjectIdentity('1.3.6.1.2.1')), + cmdgen.ObjectType(cmdgen.ObjectIdentity('1.3.6.1.3.1')) ) ), + # 2-nd target (SNMPv2c over IPv4/UDP) + ( cmdgen.CommunityData('public'), + cmdgen.UdpTransportTarget(('demo.snmplabs.com', 161)), + ( cmdgen.ObjectType(cmdgen.ObjectIdentity('1.3.6.1.4.1')), ) ), + # 3-nd target (SNMPv3 over IPv4/UDP) + ( cmdgen.UsmUserData('usr-md5-des', 'authkey1', 'privkey1'), + cmdgen.UdpTransportTarget(('demo.snmplabs.com', 161)), + ( cmdgen.ObjectType(cmdgen.ObjectIdentity('SNMPv2-MIB', 'system')), ) ), + # 4-th target (SNMPv3 over IPv6/UDP) + ( cmdgen.UsmUserData('usr-md5-none', 'authkey1'), + cmdgen.Udp6TransportTarget(('::1', 161)), + ( cmdgen.ObjectType(cmdgen.ObjectIdentity('IF-MIB', 'ifTable')), ) ) + # N-th target + # ... +) + +# Wait for responses or errors, submit GETNEXT requests for further OIDs +def cbFun(snmpEngine, sendRequestHandle, errorIndication, + errorStatus, errorIndex, varBindTable, cbCtx): + (varBindHead, authData, transportTarget) = cbCtx + print('%s via %s' % (authData, transportTarget)) + if errorIndication: + print(errorIndication) + return + if errorStatus: + print('%s at %s' % ( + errorStatus.prettyPrint(), + errorIndex and varBindTable[-1][int(errorIndex)-1][0] or '?' + ) + ) + return + varBindTableRow = varBindTable[-1] + for idx in range(len(varBindTableRow)): + name, val = varBindTableRow[idx] + if val is not None and varBindHead[idx] <= name: + # still in table + break + else: + print('went out of table at %s' % (name, )) + 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())) + + return True # continue table retrieval + +snmpEngine = engine.SnmpEngine() + +cmdGen = cmdgen.AsyncCommandGenerator() + +# Submit initial GETNEXT requests and wait for responses +for authData, transportTarget, varBinds in targets: + varBindHead = [ x[0] for x in cmdGen.makeVarBinds(snmpEngine, varBinds ) ] + cmdGen.nextCmd( + snmpEngine, authData, transportTarget, cmdgen.ContextData(), varBinds, + # User-space callback function and its context + (cbFun, (varBindHead, authData, transportTarget)), + lookupNames=True, lookupValues=True + ) + +snmpEngine.transportDispatcher.runDispatcher() |