Signed-off-by: Isaku Yamahata <[email protected]>
---
bin/ryu-manager | 1 +
ryu/app/rest_discovery.py | 105 +++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 106 insertions(+), 0 deletions(-)
create mode 100644 ryu/app/rest_discovery.py
diff --git a/bin/ryu-manager b/bin/ryu-manager
index 615d6c0..8c62f14 100755
--- a/bin/ryu-manager
+++ b/bin/ryu-manager
@@ -40,6 +40,7 @@ gflags.DEFINE_multistring('app_lists',
# 'ryu.app.discovery.Discovery',
# 'ryu.app.discovery.LinkEventWatcher',
# 'ryu.app.event_dumper.EventDumper',
+ # 'ryu.app.rest_discovery.DiscoveryController',
],
'application module name to run')
diff --git a/ryu/app/rest_discovery.py b/ryu/app/rest_discovery.py
new file mode 100644
index 0000000..8819f98
--- /dev/null
+++ b/ryu/app/rest_discovery.py
@@ -0,0 +1,105 @@
+# Copyright (C) 2012 Nippon Telegraph and Telephone Corporation.
+# Copyright (C) 2012 Isaku Yamahata <yamahata at private email ne 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 httplib
+import json
+import logging
+import time
+
+from ryu.app.wsapi import wsapi
+from ryu.app.wsapi import WSPathStaticString
+from ryu.app.wspath import DPID
+from ryu.app.wspath import WSPathSwitch
+from ryu.base import app_manager
+from ryu.controller import dpset
+from ryu.controller import link_set
+from ryu.lib import dpid as lib_dpid
+
+
+LOG = logging.getLogger(__name__)
+
+
+# REST API for discovery status
+#
+# get all the links
+# GET /v1.0/topology/links
+#
+# get the links connected <dpid>
+# GET /v1.0/topology/switch/<dpid>/links
+#
+# where
+# <dpid>: datapath id in 16 hex
+
+
+class DiscoveryController(app_manager.RyuApp):
+ _CONTEXTS = {
+ 'dpset': app_manager.noarg_app_context_factory(dpset.DPSet),
+ 'link_set': app_manager.noarg_app_context_factory(link_set.LinkSet),
+ }
+
+ def __init__(self, *args, **kwargs):
+ super(DiscoveryController, self).__init__(*args, **kwargs)
+ self.dpset = kwargs['dpset']
+ self.link_set = kwargs['link_set']
+
+ self.ws = wsapi()
+ self.api = self.ws.get_version('1.0')
+ self._register()
+
+ @staticmethod
+ def _format_link(link, timestamp, now):
+ return {
+ 'timestamp': now - timestamp,
+ 'dp1': lib_dpid.dpid_to_str(link.src.dpid),
+ 'port1': link.src.port_no,
+ 'dp2': lib_dpid.dpid_to_str(link.dst.dpid),
+ 'port2': link.dst.port_no,
+ }
+
+ def _format_response(self, iteritems):
+ now = time.time()
+ response = {
+ 'identifier': 'name',
+ 'items': [self._format_link(link, ts, now)
+ for link, ts in iteritems],
+ }
+ return json.dumps(response)
+
+ def get_links(self, request, _data):
+ request.setHeader('Content-Type', 'application/json')
+ return self._format_response(self.link_set.get_iteritems())
+
+ def get_switch_links(self, request, data):
+ request.setHeader('Content-Type', 'application/json')
+ dpid = data[DPID]
+ if self.dpset.get(dpid) is None:
+ request.setResponseCode(httplib.NOT_FOUND)
+ return 'dpid %s is not founf' % dpid
+
+ return self._format_response(self.link_set.get_iteritems(dpid))
+
+ def _register(self):
+ path_topology = (WSPathStaticString('topology'), )
+
+ path_links = path_topology + (WSPathStaticString('links'), )
+ self.api.register_request(self.get_links, 'GET', path_links,
+ 'Get list of links.')
+
+ path_switch_links = path_topology + (WSPathStaticString('switch'),
+ WSPathSwitch(DPID),
+ WSPathStaticString('links'))
+ self.api.register_request(self.get_switch_links, 'GET',
+ path_switch_links, 'Get list of links.')
--
1.7.1.1
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