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#
# This file is part of pysnmp-apps software.
#
# Copyright (c) 2005-2016, Ilya Etingof <ilya@glas.net>
# License: http://pysnmp.sf.net/license.html
#
import sys
from pysnmp.smi import view
from pysnmp_apps.cli import base
from pysnmp import error
from pysnmp_apps import __version__ as pysnmpAppsVersion
try:
from pysnmp import __version__ as pysnmpVersion
except ImportError:
pysnmpVersion = 'N/A'
try:
from pysmi import __version__ as pysmiVersion
except ImportError:
pysmiVersion = 'N/A'
try:
from pysnmp_mibs import __version__ as pysnmpMibsVersion
except ImportError:
pysnmpMibsVersion = 'N/A'
try:
from pyasn1 import __version__ as pyasn1Version
except ImportError:
pyasn1Version = 'N/A'
try:
from pysnmp import debug
except ImportError:
debug = None
# Usage
def getUsage():
return "\
Command-line SNMP tools version %s, written by Ilya Etingof <ilya@glas.net>\n\
Foundation libraries: pysmi %s, pysnmp %s, pysnmp-mibs %s, pyasn1 %s\n\
Python interpreter: %s\n\
Software documentation and support at http://pysnmp.sf.net\n\
-h display this help message\n\
-V software release information\n\
-d dump raw packets\n\
-D category enable debugging [%s]\n\
" % ( pysnmpAppsVersion,
pysmiVersion,
pysnmpVersion,
pysnmpMibsVersion,
pyasn1Version,
sys.version.replace('\n', ''),
debug and ','.join(debug.flagMap.keys()) or "")
# Scanner
class MainScannerMixIn:
def t_help(self, s):
r' -h|--help '
self.rv.append(base.ConfigToken('help'))
def t_versioninfo(self, s):
r' -V|--version '
self.rv.append(base.ConfigToken('versioninfo'))
def t_dump(self, s):
r' -d '
self.rv.append(base.ConfigToken('dump'))
def t_debug(self, s):
r' -D|--debug '
self.rv.append(base.ConfigToken('debug'))
# Parser
class MainParserMixIn:
initialSymbol = 'Cmdline'
def error(self, token):
raise error.PySnmpError(
'Command-line parser error at token %s\n' % token
)
def p_cmdline(self, args):
'''
Cmdline ::= Options Agent whitespace Params
'''
def p_cmdlineExt(self, args):
'''
Options ::= Option whitespace Options
Options ::= Option
Options ::=
Option ::= Help
Option ::= VersionInfo
Option ::= DebugOption
Help ::= help
VersionInfo ::= versioninfo
DebugOption ::= Dump
DebugOption ::= Debug
Dump ::= dump
Debug ::= debug string
Debug ::= debug whitespace string
'''
# Generator
class __MainGenerator(base.GeneratorTemplate):
# SNMPv1/v2
def n_VersionInfo(self, cbCtx, node):
raise error.PySnmpError()
def n_Help(self, cbCtx, node):
raise error.PySnmpError()
def n_Dump(self, cbCtx, node):
if debug:
debug.setLogger(debug.Debug('io'))
def n_Debug(self, cbCtx, node):
if debug:
if len(node) > 2:
f = node[2].attr
else:
f = node[1].attr
debug.setLogger(debug.Debug(*f.split(',')))
def generator(cbCtx, ast):
snmpEngine, ctx = cbCtx
ctx['mibViewController'] = view.MibViewController(
snmpEngine.getMibBuilder()
)
return __MainGenerator().preorder((snmpEngine, ctx), ast)
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