def delete_sff(sffname):
"""
Deletes SFF from topology, kills associated thread and if necessary remove
all SFPs that depend on it
:param sffname: SFF name
:type sffname: str
"""
status_code = 204
local_sff_topo = sfc_globals.get_sff_topo()
local_sff_threads = sfc_globals.get_sff_threads()
logger.info("Received request from ODL to delete SFF ...")
try:
if sffname in local_sff_threads.keys():
stop_sff(sffname)
if sffname in sfc_globals.get_my_sff_name():
sfc_globals.reset_path()
sfc_globals.reset_sff_data_plane_path()
local_sff_topo.pop(sffname)
except KeyError:
logger.warning('SFF name %s not found', sffname)
status_code = 404
return '', status_code
def create_sff(sffname):
"""
This function creates a SFF on-the-fly when it receives a PUT request from
ODL. The SFF runs on a separate thread. If a SFF thread with same name
already exist it is killed before a new one is created. This happens when a
SFF is modified or recreated
:param sffname: SFF name
:type sffname: str
"""
if not flask.request.json:
flask.abort(400)
logger.info("Received request from ODL to create SFF ...")
local_sff_threads = sfc_globals.get_sff_threads()
if sffname in local_sff_threads.keys():
stop_sff(sffname)
r_json = flask.request.get_json()
with open("jsonputSFF.txt", "w") as outfile:
json.dump(r_json, outfile)
local_sff_topo = sfc_globals.get_sff_topo()
local_sff_topo[sffname] = r_json['service-function-forwarder'][0]
sff_port = (local_sff_topo[sffname]['sff-data-plane-locator'][0]['data-plane-locator']['port'])
sff_ip = (local_sff_topo[sffname]['sff-data-plane-locator'][0]['data-plane-locator']['ip'])
nfq_classifier.set_fwd_socket(sff_ip)
start_sff(sffname, sff_ip, sff_port)
return flask.jsonify({'sff': sfc_globals.get_sff_topo()}), 201
def create_sff(sffname):
"""
This function creates a SFF on-the-fly when it receives a PUT request from
ODL. The SFF runs on a separate thread. If a SFF thread with same name
already exist it is killed before a new one is created. This happens when a
SFF is modified or recreated
:param sffname: SFF name
:type sffname: str
"""
if not flask.request.json:
flask.abort(400)
logger.info("Received request from ODL to create SFF ...")
local_sff_threads = sfc_globals.get_sff_threads()
if sffname in local_sff_threads.keys():
stop_sff(sffname)
r_json = flask.request.get_json()
with open("jsonputSFF.txt", "w") as outfile:
json.dump(r_json, outfile)
local_sff_topo = sfc_globals.get_sff_topo()
local_sff_topo[sffname] = r_json['service-function-forwarder'][0]
sff_port = (local_sff_topo[sffname]['sff-data-plane-locator'][0]
['data-plane-locator']['port'])
sff_ip = (local_sff_topo[sffname]['sff-data-plane-locator'][0]
['data-plane-locator']['ip'])
nfq_classifier.set_fwd_socket(sff_ip)
start_sff(sffname, sff_ip, sff_port)
return flask.jsonify({'sff': sfc_globals.get_sff_topo()}), 201
def delete_sff(sffname):
"""
Deletes SFF from topology, kills associated thread and if necessary remove
all SFPs that depend on it
:param sffname: SFF name
:type sffname: str
"""
status_code = 204
local_sff_topo = sfc_globals.get_sff_topo()
local_sff_threads = sfc_globals.get_sff_threads()
logger.info("Received request from ODL to delete SFF ...")
try:
if sffname in local_sff_threads.keys():
stop_sff(sffname)
if sffname in sfc_globals.get_my_sff_name():
sfc_globals.reset_path()
sfc_globals.reset_sff_data_plane_path()
local_sff_topo.pop(sffname)
except KeyError:
logger.warning('SFF name %s not found', sffname)
status_code = 404
return '', status_code
def create_sff(sffname):
"""
This function creates a SFF on-the-fly when it receives a PUT request from
ODL. The SFF runs on a separate thread. If a SFF thread with same name
already exist it is killed before a new one is created. This happens when a
SFF is modified or recreated
:param sffname: SFF name
:type sffname: str
"""
if not flask.request.json:
flask.abort(400)
local_sff_threads = sfc_globals.get_sff_threads()
if sffname in local_sff_threads.keys():
stop_sff(sffname)
r_json = flask.request.get_json()
local_sff_topo = sfc_globals.get_sff_topo()
local_sff_topo[sffname] = r_json['service-function-forwarder'][0]
sff_port = (local_sff_topo[sffname]['sff-data-plane-locator']
[0]
['data-plane-locator']
['port'])
start_sff(sffname, "0.0.0.0", sff_port)
return flask.jsonify({'sff': sfc_globals.get_sff_topo()}), 201
