def _handle_ConnectionUp(self, event):
sw = self.switches.get(event.dpid)
sw_str = dpidToStr(event.dpid)
log.info("Saw switch com up: %s", sw_str)
name_str = self.t.id_gen(dpid=event.dpid).name_str()
if name_str not in self.t.switches():
log.warn("Ignoring unknown switch %s" % sw_str)
return
if sw is None:
log.info("Added fresh switch %s" % sw_str)
sw = Switch()
self.switches[event.dpid] = sw
sw.connect(event.connection)
else:
log.info("Odd - already saw switch %s come up" % sw_str)
sw.connect(event.connection)
sw.connection.send(of.ofp_set_config(miss_send_len=MISS_SEND_LEN))
if len(self.switches) == len(self.t.switches()):
log.info("Woo! All switches up")
self.all_switches_up = True
self._save_paths()
# log.info("self.routeTable : %s" % self.routeTable)
start = time()
self._install_paths()
log.info("use %s seconds to install paths" % (time() - start))
# the pre_install_paths should have been installed
log.info("Woo! All paths ok")
def _handle_ConnectionUp (self, event):
sw = self.switches.get(event.dpid)
sw_str = dpidToStr(event.dpid)
log.info("Saw switch com up: %s", sw_str)
name_str = self.t.id_gen(dpid = event.dpid).name_str()
if name_str not in self.t.switches():
log.warn("Ignoring unknown switch %s" % sw_str)
return
if sw is None:
log.info("Added fresh switch %s" % sw_str)
sw = Switch()
self.switches[event.dpid] = sw
sw.connect(event.connection)
else:
log.info("Odd - already saw switch %s come up" % sw_str)
sw.connect(event.connection)
sw.connection.send(of.ofp_set_config(miss_send_len = MISS_SEND_LEN))
if len(self.switches) == len(self.t.switches()):
log.info("Woo! All switches up")
self.all_switches_up = True
self._save_paths()
# log.info("self.routeTable : %s" % self.routeTable)
self._install_paths()
log.info("Woo! All paths ok")
def _handle_ConnectionUp(self, event):
"""
Is called whenever a switch in the Mininet topoplogy comes up,
and registers it in the controller.
"""
log.info('Connection up')
log.info(event.connection.features)
log.info(event.ofp)
switch_dpid = event.dpid
switch = self.switches.get(event.dpid)
# The name of the switch as known by the topology object.
switch_name_str = dpid_to_str(switch_dpid)
# Controller ignores switch if this is not a switch we recognize.
if switch_name_str not in self.topology.switches():
log.warn("Ignoring unknown switch %s" % switch_name_str)
return
# We expect the switch to be None, so we create it.
if switch is None:
log.info("Added fresh switch %s" % switch_name_str)
switch = Switch(log)
self.switches[event.dpid] = switch
switch.connect(
event.connection) # Connect the switch to this event.
# Give the Routing class the new switch object for registration.
self.routing.register_switch(switch)
else:
log.warn("Odd - already saw switch %s come up" % switch_name_str)
if len(self.switches) == len(self.topology.switches()):
log.info(" Woo! All switches up")
# Not sure if this is necessary: Clear all flow table entries for this switch
# But does not affect ping all success.
clear = of.ofp_flow_mod(command=of.OFPFC_DELETE)
event.connection.send(clear)
event.connection.send(of.ofp_barrier_request())
def _handle_ConnectionUp (self, event):
sw = self.switches.get(event.dpid)
sw_str = dpidToStr(event.dpid)
log.info("Saw switch com up: %s", sw_str)
name_str = self.t.id_gen(dpid = event.dpid).name_str()
if name_str not in self.t.switches():
log.warn("Ignoring unknown switch %s" % sw_str)
return
if sw is None:
log.info("Added fresh switch %s" % sw_str)
sw = Switch()
self.switches[event.dpid] = sw
sw.connect(event.connection)
else:
log.info("Odd - already saw switch %s come up" % sw_str)
sw.connect(event.connection)
sw.connection.send(of.ofp_set_config(miss_send_len = MISS_SEND_LEN))
if len(self.switches) == len(self.t.switches()):
log.info("Woo! All switches up")
self.all_switches_up = True
self._save_paths()
# log.info("self.routeTable : %s" % self.routeTable)
# self._install_paths()
log.info("Woo! All paths ok")
# suppose here we have a traffic matrix
# find the routing policies for this traffic matrix
#for i in range(10):
# num_matrix = i
# self.test(num_matrix)
self.input_traffic()
def _handle_ConnectionUp(self, event):
sw = self.switches.get(event.dpid)
sw_str = dpidToStr(event.dpid)
log.info("Saw switch com up: %s", sw_str)
name_str = self.t.id_gen(dpid=event.dpid).name_str()
if name_str not in self.t.switches():
log.warn("Ignoring unknown switch %s" % sw_str)
return
if sw is None:
log.info("Added fresh switch %s" % sw_str)
sw = Switch()
self.switches[event.dpid] = sw
sw.connect(event.connection)
else:
log.info("Odd - already saw switch %s come up" % sw_str)
sw.connect(event.connection)
sw.connection.send(of.ofp_set_config(miss_send_len=MISS_SEND_LEN))
if len(self.switches) == len(self.t.switches()):
log.info("Woo! All switches up")
self.all_switches_up = True
self._save_paths()
# log.info("self.routeTable : %s" % self.routeTable)
# self._install_paths()
log.info("Woo! All paths ok")
# suppose here we have a traffic matrix
# find the routing policies for this traffic matrix
#for i in range(10):
# num_matrix = i
# self.test(num_matrix)
self.input_traffic()
