Hello,
I am trying to send and parse table feature message. This is my code:
@set_ev_cls(ofp_event.EventOFPSwitchFeatures, CONFIG_DISPATCHER)
def switch_features_handler(self, ev):
"""
Send miss-table flow entry to datapaths and send the table
feature request.
"""
datapath = ev.msg.datapath
ofproto = datapath.ofproto
parser = datapath.ofproto_parser
msg = ev.msg
self.logger.info("switch:%s connected", datapath.id)
# install table-miss flow entry
match = parser.OFPMatch()
actions = [parser.OFPActionOutput(ofproto.OFPP_CONTROLLER,
ofproto.OFPCML_NO_BUFFER)]
self.add_flow(datapath, 0, match, actions)
# send_table feature request
stats = parser.OFPTableFeaturesStatsRequest(datapath, 0, [])
datapath.send_msg(stats)
@set_ev_cls(ofp_event.EventOFPTableFeaturesStatsReply, MAIN_DISPATCHER)
def _table_features_handler(self, ev):
"""
It get the max entries for a table and store it in
max_table_capacity.
"""
msg = ev.msg
datapath = msg.datapath
# print(msg.body)
for stat in msg.body:
if stat.table_id == 0:
self.table_body[datapath.id]['body'] = stat
self.logger.debug('table_body: %s', self.table_body[datapath.id])
but as you can see when I run the program it causes the switches to
reconnect:
switch:2 connected
switch:6 connected
switch:7 connected
switch:4 connected
switch:1 connected
switch:3 connected
switch:5 connected
switch:7 connected
switch:6 connected
switch:1 connected
switch:4 connected
switch:5 connected
switch:3 connected
switch:2 connected
What could be wrong? What is the correct way to request for table features
(during) handshake?
Thank you
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