os-ken/ryu/topology/event.py
YAMADA Hideki 7d5a68cdc2 topology: support link discovery
event.py: add link events.
switches.py: add link discovery (only of1.0).
dumper.py: add handler for link events.

TODO: support other OpenFlow version.

Signed-off-by: YAMADA Hideki <yamada.hideki@po.ntts.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
2013-03-25 03:13:11 +09:00

129 lines
3.5 KiB
Python

# Copyright (C) 2013 Nippon Telegraph and Telephone Corporation.
#
# 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 logging
from ryu.controller import event
LOG = logging.getLogger(__name__)
class EventSwitchBase(event.EventBase):
def __init__(self, switch):
super(EventSwitchBase, self).__init__()
self.switch = switch
def __str__(self):
return '%s<dpid=%s, %s ports>' % \
(self.__class__.__name__,
self.switch.dp.id, len(self.switch.ports))
class EventSwitchEnter(EventSwitchBase):
def __init__(self, switch):
super(EventSwitchEnter, self).__init__(switch)
class EventSwitchLeave(EventSwitchBase):
def __init__(self, switch):
super(EventSwitchLeave, self).__init__(switch)
class EventPortBase(event.EventBase):
def __init__(self, port):
super(EventPortBase, self).__init__()
self.port = port
def __str__(self):
return '%s<%s>' % (self.__class__.__name__, self.port)
class EventPortAdd(EventPortBase):
def __init__(self, port):
super(EventPortAdd, self).__init__(port)
class EventPortDelete(EventPortBase):
def __init__(self, port):
super(EventPortDelete, self).__init__(port)
class EventPortModify(EventPortBase):
def __init__(self, port):
super(EventPortModify, self).__init__(port)
class EventSwitchRequest(event.EventRequestBase):
# If dpid is None, reply all list
def __init__(self, dpid=None):
super(EventSwitchRequest, self).__init__()
self.dst = 'switches'
self.dpid = dpid
def __str__(self):
return 'EventSwitchRequest<src=%s, dpid=%s>' % \
(self.src, self.dpid)
class EventSwitchReply(event.EventReplyBase):
def __init__(self, dst, switches):
super(EventSwitchReply, self).__init__(dst)
self.switches = switches
def __str__(self):
return 'EventSwitchReply<dst=%s, %s>' % \
(self.dst, self.switches)
class EventLinkBase(event.EventBase):
def __init__(self, link):
super(EventLinkBase, self).__init__()
self.link = link
def __str__(self):
return '%s<%s>' % (self.__class__.__name__, self.link)
class EventLinkAdd(EventLinkBase):
def __init__(self, link):
super(EventLinkAdd, self).__init__(link)
class EventLinkDelete(EventLinkBase):
def __init__(self, link):
super(EventLinkDelete, self).__init__(link)
class EventLinkRequest(event.EventRequestBase):
# If dpid is None, reply all list
def __init__(self, dpid=None):
super(EventLinkRequest, self).__init__()
self.dst = 'switches'
self.dpid = dpid
def __str__(self):
return 'EventLinkRequest<src=%s, dpid=%s>' % \
(self.src, self.dpid)
class EventLinkReply(event.EventReplyBase):
def __init__(self, dst, dpid, links):
super(EventLinkReply, self).__init__(dst)
self.dpid = dpid
self.links = links
def __str__(self):
return 'EventLinkReply<dst=%s, dpid=%s, links=%s>' % \
(self.dst, self.dpid, len(self.links))