101 lines
3.2 KiB
Python
101 lines
3.2 KiB
Python
#
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# This file is part of pysnmp software.
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#
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# Copyright (c) 2005-2017, Ilya Etingof <etingof@gmail.com>
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# License: http://pysnmp.sf.net/license.html
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#
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from pyasn1.type import univ, tag, namedtype, namedval
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from pysnmp.proto import rfc1155
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__all__ = ['GetNextRequestPDU', 'GetResponsePDU', 'SetRequestPDU',
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'TrapPDU', 'GetRequestPDU']
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class VarBind(univ.Sequence):
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('name', rfc1155.ObjectName()),
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namedtype.NamedType('value', rfc1155.ObjectSyntax())
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)
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class VarBindList(univ.SequenceOf):
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componentType = VarBind()
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errorStatus = univ.Integer(
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namedValues=namedval.NamedValues(('noError', 0), ('tooBig', 1), ('noSuchName', 2),
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('badValue', 3), ('readOnly', 4), ('genErr', 5)))
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class _RequestBase(univ.Sequence):
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('request-id', univ.Integer()),
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namedtype.NamedType('error-status', errorStatus),
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namedtype.NamedType('error-index', univ.Integer()),
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namedtype.NamedType('variable-bindings', VarBindList())
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)
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class GetRequestPDU(_RequestBase):
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tagSet = _RequestBase.tagSet.tagImplicitly(
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tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0)
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)
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class GetNextRequestPDU(_RequestBase):
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tagSet = _RequestBase.tagSet.tagImplicitly(
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tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1)
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)
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class GetResponsePDU(_RequestBase):
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tagSet = _RequestBase.tagSet.tagImplicitly(
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tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 2)
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)
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class SetRequestPDU(_RequestBase):
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tagSet = _RequestBase.tagSet.tagImplicitly(
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tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 3)
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)
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genericTrap = univ.Integer().clone(
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namedValues=namedval.NamedValues(('coldStart', 0), ('warmStart', 1), ('linkDown', 2), ('linkUp', 3),
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('authenticationFailure', 4), ('egpNeighborLoss', 5), ('enterpriseSpecific', 6)))
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class TrapPDU(univ.Sequence):
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tagSet = univ.Sequence.tagSet.tagImplicitly(
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tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 4)
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)
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('enterprise', univ.ObjectIdentifier()),
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namedtype.NamedType('agent-addr', rfc1155.NetworkAddress()),
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namedtype.NamedType('generic-trap', genericTrap),
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namedtype.NamedType('specific-trap', univ.Integer()),
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namedtype.NamedType('time-stamp', rfc1155.TimeTicks()),
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namedtype.NamedType('variable-bindings', VarBindList())
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)
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class PDUs(univ.Choice):
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('get-request', GetRequestPDU()),
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namedtype.NamedType('get-next-request', GetNextRequestPDU()),
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namedtype.NamedType('get-response', GetResponsePDU()),
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namedtype.NamedType('set-request', SetRequestPDU()),
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namedtype.NamedType('trap', TrapPDU())
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)
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version = univ.Integer(namedValues=namedval.NamedValues(('version-1', 0)))
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class Message(univ.Sequence):
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('version', version),
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namedtype.NamedType('community', univ.OctetString()),
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namedtype.NamedType('data', PDUs())
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)
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