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# ============LICENSE_START=======================================================
# org.onap.dcae
# ================================================================================
# Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
# ================================================================================
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ============LICENSE_END=========================================================
#
# ECOMP is a trademark and service mark of AT&T Intellectual Property.
#
"""
module for converting varbind types from Net-SNMP to PYSNMP
- converts pysnmp vb type name to net-snmp for backward compatibility
"""
__docformat__ = 'restructuredtext'
import json
import os
import sys
import string
import time
import traceback
import collections
import pprint
import trapd_settings as tds
from trapd_exit import cleanup_and_exit
from trapd_io import stdout_logger, ecomp_logger
prog_name = os.path.basename(__file__)
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# module: load_snmpv3_credentials
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
_pysnmp_to_netsnmp_vb_type = {
'Integer' : 'integer',
'Gauge32' : 'unsigned',
'Counter32' : 'counter32',
'OctetString' : 'octet',
'py_type_5' : 'hex',
'py_type_6' : 'decimal',
'Null' : 'null',
'ObjectIdentifier' : 'oid',
'TimeTicks' : 'timeticks',
'IpAddress' : 'ipaddress',
'Bits' : 'bits'
}
default_vb_type = "octet"
def pysnmp_to_netsnmp_varbind_convert (_pysnmp_vb_type):
"""
Convert pysnmp varbind types to Net-SNMP nomenclature
to maintain backward compatibilty with existing solutions
:Parameters:
_pysnmp_vb_type: varbind type as presented from pysnmp
API
:Exceptions:
if _pysnmp_vb_type isn't found in dictionary, return
type that was defined by pysnmp in original call
"""
# lookup _pysnmp_vb_type in conversion dictionary
try:
msg = ("checking for netsnmp equiv of varbind type: %s" \
% _pysnmp_vb_type)
ecomp_logger(tds.LOG_TYPE_DEBUG, tds.SEV_INFO, tds.CODE_GENERAL, msg)
_netsnmp_vb_type = _pysnmp_to_netsnmp_vb_type[_pysnmp_vb_type]
return _netsnmp_vb_type
except Exception as e:
# if not found, return original pysnmp type
msg = ("%s not configured as pysnmp varbind type" \
% _pysnmp_vb_type)
ecomp_logger(tds.LOG_TYPE_DEBUG, tds.SEV_INFO, tds.CODE_GENERAL, msg)
return default_vb_type
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