-"""
-Copyright (c) 2015 SONATA-NFV and Paderborn University
-ALL RIGHTS RESERVED.
-
-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.
-
-Neither the name of the SONATA-NFV [, ANY ADDITIONAL AFFILIATION]
-nor the names of its contributors may be used to endorse or promote
-products derived from this software without specific prior written
-permission.
-
-This work has been performed in the framework of the SONATA project,
-funded by the European Commission under Grant number 671517 through
-the Horizon 2020 and 5G-PPP programmes. The authors would like to
-acknowledge the contributions of their colleagues of the SONATA
-partner consortium (www.sonata-nfv.eu).
-"""
-
-"""
-Distributed Cloud Emulator (dcemulator)
-Networking and monitoring functions
-(c) 2015 by Steven Van Rossem <steven.vanrossem@intec.ugent.be>
-"""
-
+# Copyright (c) 2015 SONATA-NFV and Paderborn University
+# ALL RIGHTS RESERVED.
+#
+# 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.
+#
+# Neither the name of the SONATA-NFV, Paderborn University
+# nor the names of its contributors may be used to endorse or promote
+# products derived from this software without specific prior written
+# permission.
+#
+# This work has been performed in the framework of the SONATA project,
+# funded by the European Commission under Grant number 671517 through
+# the Horizon 2020 and 5G-PPP programmes. The authors would like to
+# acknowledge the contributions of their colleagues of the SONATA
+# partner consortium (www.sonata-nfv.eu).
+#
+# Distributed Cloud Emulator (dcemulator)
+# Networking and monitoring functions
+# (c) 2015 by Steven Van Rossem <steven.vanrossem@intec.ugent.be>
import logging
from flask_restful import Resource
from flask import request
-import json
+import networkx
-logging.basicConfig(level=logging.INFO)
+logging.basicConfig()
CORS_HEADER = {'Access-Control-Allow-Origin': '*'}
-# the global net is set from the topology file, and connected via connectDCNetwork function in rest_api_endpoint.py
+# the global net is set from the topology file, and connected via
+# connectDCNetwork function in rest_api_endpoint.py
net = None
global net
- def put(self, vnf_src_name, vnf_dst_name):
+ def put(self):
logging.debug("REST CALL: network chain add")
command = 'add-flow'
- return self._NetworkAction(vnf_src_name, vnf_dst_name, command=command)
+ return self._NetworkAction(command=command)
- def delete(self, vnf_src_name, vnf_dst_name):
+ def delete(self):
logging.debug("REST CALL: network chain remove")
command = 'del-flows'
- return self._NetworkAction(vnf_src_name, vnf_dst_name, command=command)
+ return self._NetworkAction(command=command)
- def _NetworkAction(self, vnf_src_name, vnf_dst_name, command=None):
+ def _NetworkAction(self, command=None):
# call DCNetwork method, not really datacenter specific API for now...
# no check if vnfs are really connected to this datacenter...
try:
- # check if json data is a dict
+ # check json payload
+ logging.debug("json: {}".format(request.json))
+ logging.debug("args: {}".format(request.args))
+
data = request.json
+ if data is None:
+ data = request.args
if data is None:
data = {}
- elif type(data) is not dict:
- data = json.loads(request.json)
+ vnf_src_name = data.get("vnf_src_name")
+ vnf_dst_name = data.get("vnf_dst_name")
vnf_src_interface = data.get("vnf_src_interface")
vnf_dst_interface = data.get("vnf_dst_interface")
weight = data.get("weight")
except Exception as ex:
logging.exception("API error.")
return ex.message, 500, CORS_HEADER
+
+
+class DrawD3jsgraph(Resource):
+
+ global net
+
+ def get(self):
+ nodes = list()
+ nodes2 = list()
+ links = list()
+ # add all DCs
+ node_attr = networkx.get_node_attributes(net.DCNetwork_graph, 'type')
+ for node_name in net.DCNetwork_graph.nodes():
+ nodes2.append(node_name)
+ type = node_attr[node_name]
+ node_dict = {"name": node_name, "group": type}
+ nodes.append(node_dict)
+
+ # add links between other DCs
+ for node1_name in net.DCNetwork_graph.nodes():
+ node1_index = nodes2.index(node1_name)
+ for node2_name in net.DCNetwork_graph.neighbors(node1_name):
+ node2_index = nodes2.index(node2_name)
+ edge_dict = {"source": node1_index,
+ "target": node2_index, "value": 10}
+ links.append(edge_dict)
+
+ json = {"nodes": nodes, "links": links}
+ return json, 200, CORS_HEADER