From 2f24177c361ba4d9deba2d7378f84aa96111db80 Mon Sep 17 00:00:00 2001 From: elie Date: Mon, 14 Sep 2015 05:20:24 +0000 Subject: * synchronous oneliner apps redesigned to offer Python generator-based API along with a more comprehensive set of accepted parameters. * massively documented (in Sphinx, NumPy style) --- .../cmdgen/getnext-v2c-from-specific-address.py | 82 ++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 examples/v3arch/asyncore/manager/cmdgen/getnext-v2c-from-specific-address.py (limited to 'examples/v3arch/asyncore/manager/cmdgen/getnext-v2c-from-specific-address.py') diff --git a/examples/v3arch/asyncore/manager/cmdgen/getnext-v2c-from-specific-address.py b/examples/v3arch/asyncore/manager/cmdgen/getnext-v2c-from-specific-address.py new file mode 100644 index 0000000..022742a --- /dev/null +++ b/examples/v3arch/asyncore/manager/cmdgen/getnext-v2c-from-specific-address.py @@ -0,0 +1,82 @@ +""" +Send packets from specific local interface +++++++++++++++++++++++++++++++++++++++++++ + +Send a series of SNMP GETNEXT requests with the following options: + +* with SNMPv2c, community 'public' +* over IPv4/UDP +* to an Agent at 195.218.195.228:161 +* sending packets from primary local interface 0.0.0.0, local port 61024 +* for two OIDs in tuple form +* stop on end-of-mib condition for both OIDs + +This script performs similar to the following Net-SNMP command: + +| $ snmpwalk -v2c -c public -ObentU 195.218.195.228 1.3.6.1.2.1.1 1.3.6.1.4.1.1 + +"""# +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() + +# +# SNMPv1/2c setup (if you use SNMPv1 or v2c) +# + +# 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', 0) + +# +# Setup transport endpoint and bind it with security settings yielding +# a target name +# + +# UDP/IPv4 +config.addTransport( + snmpEngine, + udp.domainName, + udp.UdpSocketTransport().openClientMode(('0.0.0.0', 61024)) +) +config.addTargetAddr( + snmpEngine, 'my-router', + udp.domainName, ('195.218.195.228', 161), + 'my-creds' +) + +# Error/response receiver +def cbFun(snmpEngine, sendRequestHandle, errorIndication, + errorStatus, errorIndex, varBindTable, cbCtx): + if errorIndication: + print(errorIndication) + return + if errorStatus: + print('%s at %s' % ( + errorStatus.prettyPrint(), + errorIndex and varBindTable[-1][int(errorIndex)-1][0] or '?' + ) + ) + return # stop on error + for varBindRow in varBindTable: + for oid, val in varBindRow: + print('%s = %s' % (oid.prettyPrint(), val.prettyPrint())) + return 1 # signal dispatcher to continue + +# Prepare initial request to be sent +cmdgen.NextCommandGenerator().sendVarBinds( + snmpEngine, + 'my-router', + None, '', # contextEngineId, contextName + [ ((1,3,6,1,2,1,1), None), + ((1,3,6,1,2,1,11), None) ], + cbFun +) + +# Run I/O dispatcher which would send pending queries and process responses +snmpEngine.transportDispatcher.runDispatcher() -- cgit v1.2.1