89 lines
3.1 KiB
Python
89 lines
3.1 KiB
Python
# Copyright 2016 Huawei Technologies India Pvt. Ltd.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import netaddr
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import six
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from neutron_lib import constants as lib_consts
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from neutron_dynamic_routing.services.bgp.agent.driver import exceptions as bgp_driver_exc # noqa
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from neutron_dynamic_routing.services.bgp.common import constants as bgp_consts # noqa
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# Parameter validation functions provided are provided by the base.
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def validate_as_num(param, as_num):
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if not isinstance(as_num, six.integer_types):
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raise bgp_driver_exc.InvalidParamType(param=param,
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param_type='integer')
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if not (bgp_consts.MIN_ASNUM <= as_num <= bgp_consts.MAX_ASNUM):
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# Must be in [AS_NUM_MIN, AS_NUM_MAX] range.
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allowed_range = ('[' +
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str(bgp_consts.MIN_ASNUM) + '-' +
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str(bgp_consts.MAX_ASNUM) +
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']')
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raise bgp_driver_exc.InvalidParamRange(param=param,
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range=allowed_range)
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def validate_auth(auth_type, password):
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validate_string(password)
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if auth_type in bgp_consts.SUPPORTED_AUTH_TYPES:
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if auth_type != 'none' and password is None:
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raise bgp_driver_exc.PasswordNotSpecified(auth_type=auth_type)
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if auth_type == 'none' and password is not None:
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raise bgp_driver_exc.InvaildAuthType(auth_type=auth_type)
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else:
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raise bgp_driver_exc.InvaildAuthType(auth_type=auth_type)
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def validate_ip_addr(ip_addr):
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if netaddr.valid_ipv4(ip_addr):
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return lib_consts.IP_VERSION_4
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elif netaddr.valid_ipv6(ip_addr):
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return lib_consts.IP_VERSION_6
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else:
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raise bgp_driver_exc.InvalidParamType(param=ip_addr,
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param_type='ip-address')
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def validate_string(param):
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if param is not None:
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if not isinstance(param, six.string_types):
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raise bgp_driver_exc.InvalidParamType(param=param,
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param_type='string')
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class BgpMultiSpeakerCache(object):
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"""Class for saving multiple BGP speakers information.
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Version history:
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1.0 - Initial version for caching multiple BGP speaker information.
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"""
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def __init__(self):
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self.cache = {}
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def get_hosted_bgp_speakers_count(self):
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return len(self.cache)
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def put_bgp_speaker(self, local_as, speaker):
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self.cache[local_as] = speaker
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def get_bgp_speaker(self, local_as):
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return self.cache.get(local_as)
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def remove_bgp_speaker(self, local_as):
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self.cache.pop(local_as, None)
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