5d993c46ee
Report the failure to the client rather than crashing. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
47 lines
1.3 KiB
Python
47 lines
1.3 KiB
Python
# Copyright (C) 2014 Nippon Telegraph and Telephone Corporation.
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# Copyright (C) 2014 YAMAMOTO Takashi <yamamoto at valinux co jp>
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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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from ryu import exception
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# base classes
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class _ExceptionBase(exception.RyuException):
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def __init__(self, result):
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self.result = result
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super(_ExceptionBase, self).__init__(result=result)
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class UnexpectedMultiReply(_ExceptionBase):
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"""Two or more replies are received for reply_muiti=False request."""
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message = 'Unexpected Multi replies %(result)s'
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class OFError(_ExceptionBase):
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"""OFPErrorMsg is received."""
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message = 'OpenFlow errors %(result)s'
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class InvalidDatapath(_ExceptionBase):
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"""Datapath is invalid.
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This can happen when the bridge disconnects.
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"""
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message = 'Datapath Invalid %(result)s'
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