os-ken/os_ken/exception.py

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 OSKenException(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(OSKenException, self).__init__(msg)
class OFPUnknownVersion(OSKenException):
message = 'unknown version %(version)x'
class OFPMalformedMessage(OSKenException):
message = 'malformed message'
class OFPTruncatedMessage(OSKenException):
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(OSKenException):
message = 'unable to parse: %(action_str)s'
class NetworkNotFound(OSKenException):
message = 'no such network id %(network_id)s'
class NetworkAlreadyExist(OSKenException):
message = 'network id %(network_id)s already exists'
class PortNotFound(OSKenException):
message = 'no such port (%(dpid)s, %(port)s) in network %(network_id)s'
class PortAlreadyExist(OSKenException):
message = 'port (%(dpid)s, %(port)s) in network %(network_id)s ' \
'already exists'
class PortUnknown(OSKenException):
message = 'unknown network id for port (%(dpid)s %(port)s)'
class MacAddressDuplicated(OSKenException):
message = 'MAC address %(mac)s is duplicated'