def handle_switch_up(self, ev):
dp = ev.msg.datapath
ofp_parser = dp.ofproto_parser
ofp = dp.ofproto
self.logger.info("Switch "+str(dp.id)+" says hello.")
switch = self.nib.save_switch(dp)
self.logger.info("Connected to Switch: "+self.nib.switch_description(dp))
if self.mc != None:
# This will block until the controller actually becomes a primary
self.mc.handle_datapath(ev)
# Start background thread to monitor switch-to-controller heartbeat
self.last_heartbeat = time.time()
if not self.heartbeat_monitor_started:
thread.start_new_thread( self.heartbeat_monitor, (self, ) )
self.heartbeat_monitor_started = True
OpenflowUtils.delete_all_rules(dp)
OpenflowUtils.send_table_miss_config(dp)
self.l2_learning_switch_handler.install_fixed_rules(dp)
self.cross_campus_handler.install_fixed_rules(dp)
self.arp_handler.install_fixed_rules(dp)
self.path_selection_handler.install_fixed_rules(dp)
def handle_switch_up(self, ev):
dp = ev.msg.datapath
parser = dp.ofproto_parser
ofproto = dp.ofproto
switch = self.nib.save_switch(dp)
self.logger.info("Connected to Switch: "+self.nib.switch_description(dp))
# This will block until the controller actually becomes a primary
self.mc.handle_datapath(ev)
# Start background thread to monitor switch-to-controller heartbeat
self.last_heartbeat = time.time()
if not self.heartbeat_monitor_started:
thread.start_new_thread( self.heartbeat_monitor, (self, ) )
self.heartbeat_monitor_started = True
OpenflowUtils.delete_all_rules(dp)
OpenflowUtils.send_table_miss_config(dp)
# Table 0, the Source Mac table, has table miss=Goto Controller so it can learn
# newly-connected macs
match_all = parser.OFPMatch()
actions = [ parser.OFPActionOutput(ofproto.OFPP_CONTROLLER) ]
OpenflowUtils.add_flow(dp, priority=0, match=match_all, actions=actions, table_id=0, cookie=self.LEARN_NEW_MACS_RULE)
# Table 1, the Dest Mac table, has table-miss = Flood. If the destination exists,
# it'll send a reply packet that'll get learned in table 0. We can afford to do a
# sloppy non-spanning-tree flood because there's only one switch in our topology
actions = [ parser.OFPActionOutput(ofproto.OFPP_FLOOD) ]
OpenflowUtils.add_flow(dp, priority=0, match=match_all, actions=actions, table_id=1)
