:param match: OpenFlow match format of the flow entry
:param bidirectional: boolean value if the link needs to be implemented from src to dst and back
:param cookie: cookie value, identifier of the flow entry to be installed.
+ :param priority: integer indicating the priority of the flow entry
:return: message string indicating if the chain action is succesful or not
"""
# call DCNetwork method, not really datacenter specific API for now...
# no check if vnfs are really connected to this datacenter...
try:
- vnf_src_interface = json.loads(request.json).get("vnf_src_interface")
- vnf_dst_interface = json.loads(request.json).get("vnf_dst_interface")
- weight = json.loads(request.json).get("weight")
- match = json.loads(request.json).get("match")
- bidirectional = json.loads(request.json).get("bidirectional")
- cookie = json.loads(request.json).get("cookie")
+ # check if json data is a dict
+ data = request.json
+ if data is None:
+ data = {}
+ elif type(data) is not dict:
+ data = json.loads(request.json)
+
+ vnf_src_interface = data.get("vnf_src_interface")
+ vnf_dst_interface = data.get("vnf_dst_interface")
+ weight = data.get("weight")
+ match = data.get("match")
+ bidirectional = data.get("bidirectional")
+ cookie = data.get("cookie")
+ priority = data.get("priority")
c = net.setChain(
vnf_src_name, vnf_dst_name,
vnf_src_interface=vnf_src_interface,
weight=weight,
match=match,
bidirectional=bidirectional,
- cookie=cookie)
+ cookie=cookie,
+ priority=priority)
# return setChain response
return str(c), 200
except Exception as ex: