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#!/usr/bin/env python
#
# This file is part of pysnmp-apps software.
#
# Copyright (c) 2005-2016, Ilya Etingof <ilya@glas.net>
# License: http://pysnmp.sf.net/license.html
#
# GET command generator
#
import sys,traceback
from pysnmp_apps.cli import main, msgmod, secmod, target, pdu, mibview, base
from pysnmp.entity import engine
from pysnmp.entity.rfc3413 import cmdgen
from pysnmp import error
def getUsage():
return "Usage: %s [OPTIONS] <AGENT> <PARAMETERS>\n\
%s%s%s%s%s%s" % (sys.argv[0],
main.getUsage(),
msgmod.getUsage(),
secmod.getUsage(),
mibview.getUsage(),
target.getUsage(),
pdu.getReadUsage())
# Construct c/l interpreter for this app
class Scanner(msgmod.MPScannerMixIn,
secmod.SMScannerMixIn,
mibview.MibViewScannerMixIn,
target.TargetScannerMixIn,
pdu.ReadPduScannerMixIn,
main.MainScannerMixIn,
base.ScannerTemplate): pass
class Parser(msgmod.MPParserMixIn,
secmod.SMParserMixIn,
mibview.MibViewParserMixIn,
target.TargetParserMixIn,
pdu.ReadPduParserMixIn,
main.MainParserMixIn,
base.ParserTemplate): pass
def cbFun(snmpEngine, sendRequestHandle, errorIndication,
errorStatus, errorIndex, varBinds, cbCtx):
if errorIndication:
sys.stderr.write('%s\n' % errorIndication)
elif errorStatus:
sys.stderr.write(
'%s at %s\n' %
( errorStatus.prettyPrint(),
errorIndex and varBinds[int(errorIndex)-1] or '?' )
)
else:
for oid, val in varBinds:
sys.stdout.write('%s\n' % cbCtx['mibViewProxy'].getPrettyOidVal(
cbCtx['mibViewController'], oid, val
)
)
# Run SNMP engine
snmpEngine = engine.SnmpEngine()
try:
# Parse c/l into AST
ast = Parser().parse(
Scanner().tokenize(' '.join(sys.argv[1:]))
)
ctx = {}
# Apply configuration to SNMP entity
main.generator((snmpEngine, ctx), ast)
msgmod.generator((snmpEngine, ctx), ast)
secmod.generator((snmpEngine, ctx), ast)
mibview.generator((snmpEngine, ctx), ast)
target.generator((snmpEngine, ctx), ast)
pdu.readPduGenerator((snmpEngine, ctx), ast)
cmdgen.GetCommandGenerator().sendVarBinds(
snmpEngine,
ctx['addrName'],
ctx.get('contextEngineId'), ctx.get('contextName', ''),
ctx['varBinds'],
cbFun, ctx
)
snmpEngine.transportDispatcher.runDispatcher()
except KeyboardInterrupt:
sys.stderr.write('Shutting down...\n')
except error.PySnmpError:
sys.stderr.write('Error: %s\n%s' % (sys.exc_info()[1], getUsage()))
sys.exit(-1)
except Exception:
sys.stderr.write('Process terminated\n')
for line in traceback.format_exception(*sys.exc_info()):
sys.stderr.write(line.replace('\n', ';'))
sys.exit(-1)
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