os-ken/os_ken/app/ofctl/event.py

63 lines
1.6 KiB
Python

# 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.
import numbers
from os_ken.controller import event
# base classes
class _RequestBase(event.EventRequestBase):
def __init__(self):
self.dst = 'ofctl_service'
class _ReplyBase(event.EventReplyBase):
pass
# get datapath
class GetDatapathRequest(_RequestBase):
def __init__(self, dpid=None):
assert dpid is None or isinstance(dpid, numbers.Integral)
super(GetDatapathRequest, self).__init__()
self.dpid = dpid
# send msg
class SendMsgRequest(_RequestBase):
def __init__(self, msg, reply_cls=None, reply_multi=False):
super(SendMsgRequest, self).__init__()
self.msg = msg
self.reply_cls = reply_cls
self.reply_multi = reply_multi
# generic reply
class Reply(_ReplyBase):
def __init__(self, result=None, exception=None):
self.result = result
self.exception = exception
def __call__(self):
if self.exception:
raise self.exception
return self.result