Ryu and Busylink detection

adapter/ryu/README.md

@@ -5,7 +5,9 @@ Ryu adapter module for OmniUI
 ###Installation###
 1. Download the Ryu Controller  
 $ `git clone git://github.com/osrg/ryu.git`  
-$ `cd ryu; sudo python ./setup.py install`
+$ `cd OpenADM/adapter/ryu; cp event.py ~/ryu/ryu/topology`  
+$ `cp switches.py ~/ryu/ryu/topology`  
+$ `cd ~/ryu; sudo python ./setup.py install`  
 
 ###Execution###
 **Ryu 1.0**  

adapter/ryu/event.py

@@ -0,0 +1,178 @@
+# 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 handler
+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 EventSwitchReconnected(EventSwitchBase):
+    def __init__(self, switch):
+        super(EventSwitchReconnected, 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))
+
+
+class EventHostRequest(event.EventRequestBase):
+    # if dpid is None, replay all hosts
+    def __init__(self, dpid=None):
+        super(EventHostRequest, self).__init__()
+        self.dst = 'switches'
+        self.dpid = dpid
+
+    def __str__(self):
+        return 'EventHostRequest<src=%s, dpid=%s>' % \
+            (self.src, self.dpid)
+
+
+class EventHostReply(event.EventReplyBase):
+    def __init__(self, dst, dpid, hosts):
+        super(EventHostReply, self).__init__(dst)
+        self.dpid = dpid
+        self.hosts = hosts
+
+    def __str__(self):
+        return 'EventHostReply<dst=%s, dpid=%s, hosts=%s>' % \
+            (self.dst, self.dpid, len(self.hosts))
+
+
+class EventHostBase(event.EventBase):
+    def __init__(self, host):
+        super(EventHostBase, self).__init__()
+        self.host = host
+
+    def __str__(self):
+        return '%s<%s>' % (self.__class__.__name__, self.host)
+
+
+class EventHostAdd(EventHostBase):
+    def __init__(self, host):
+        super(EventHostAdd, self).__init__(host)
+
+
+class EventHostDelete(EventHostBase):
+    def __init__(self, host):
+        super(EventHostDelete, self).__init__(host)
+
+handler.register_service('ryu.topology.switches')