deb-ryu/ryu/exception.py
IWAMOTO Toshihiro a52c62a120 ofctl: Add ovs-ofctl style action string parser
This commit adds a new method called ofp_instruction_from_str,
which takes an ovs-ofctl style action string and returns a list of
JSON dictionaries. Currently only a few action strings are understood.

Signed-off-by: IWAMOTO Toshihiro <iwamoto@valinux.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
2017-05-30 16:13:18 +09:00

82 lines
2.3 KiB
Python

# Copyright (C) 2011 Nippon Telegraph and Telephone Corporation.
# Copyright (C) 2011 Isaku Yamahata <yamahata 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.
class RyuException(Exception):
message = 'An unknown exception'
def __init__(self, msg=None, **kwargs):
self.kwargs = kwargs
if msg is None:
msg = self.message
try:
msg = msg % kwargs
except Exception:
msg = self.message
super(RyuException, self).__init__(msg)
class OFPUnknownVersion(RyuException):
message = 'unknown version %(version)x'
class OFPMalformedMessage(RyuException):
message = 'malformed message'
class OFPTruncatedMessage(RyuException):
message = 'truncated message: %(orig_ex)s'
def __init__(self, ofpmsg, residue, original_exception,
msg=None, **kwargs):
self.ofpmsg = ofpmsg
self.residue = residue
self.original_exception = original_exception
kwargs['orig_ex'] = str(original_exception)
super(OFPTruncatedMessage, self).__init__(msg, **kwargs)
class OFPInvalidActionString(RyuException):
message = 'unable to parse: %(action_str)s'
class NetworkNotFound(RyuException):
message = 'no such network id %(network_id)s'
class NetworkAlreadyExist(RyuException):
message = 'network id %(network_id)s already exists'
class PortNotFound(RyuException):
message = 'no such port (%(dpid)s, %(port)s) in network %(network_id)s'
class PortAlreadyExist(RyuException):
message = 'port (%(dpid)s, %(port)s) in network %(network_id)s ' \
'already exists'
class PortUnknown(RyuException):
message = 'unknown network id for port (%(dpid)s %(port)s)'
class MacAddressDuplicated(RyuException):
message = 'MAC address %(mac)s is duplicated'