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# Copyright (C) 2014 Nippon Telegraph and Telephone Corporation.
# Copyright (C) 2014 YAMAMOTO Takashi <yamamoto at valinux co jp>
#
# 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.
from os_ken import exception
# base classes
class _ExceptionBase(exception.OSKenException):
def __init__(self, result):
self.result = result
super(_ExceptionBase, self).__init__(result=result)
class UnexpectedMultiReply(_ExceptionBase):
"""Two or more replies are received for reply_muiti=False request."""
message = 'Unexpected Multi replies %(result)s'
class OFError(_ExceptionBase):
"""OFPErrorMsg is received."""
message = 'OpenFlow errors %(result)s'
class InvalidDatapath(_ExceptionBase):
"""Datapath is invalid.
This can happen when the bridge disconnects.
"""
message = 'Datapath Invalid %(result)s'
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