def send_flowmod(self, flowlist):
self.logger.debug("")
flowmod = dispatch(
type_=const.CON_FLOW_MOD, datapathid=None, data=flowlist)
self.logger.debug("flowmod[data] : %s", str(flowmod["data"]))
self.send_packet_to_ryu(flowmod)
def send_packetout(self, report_info, vid, datapathid, port):
self.logger.debug("")
mld = self.create_mldreport(report_info)
# packetのsrcはMLD処理部のものを使用する
sendpkt = self.create_packet(vid, mld)
# エッジスイッチにp-out
pout = self.create_packetout(
datapathid=datapathid, port=port, packet=sendpkt)
packetout = dispatch(
type_=const.CON_PACKET_OUT, datapathid=datapathid, data=pout)
self.logger.debug("packetout: %s", str(packetout))
self.send_packet_to_ryu(packetout)
def _main_dispacher_handler(self, ev):
self.logger.debug("")
try:
datapath = ev.datapath
self.logger.info("OFPStateChange(MAIN).[ver]:%s [dpid]:%s ",
datapath.ofproto.OFP_VERSION, datapath.id)
dispatch_ = dispatch(type_=const.CON_MAIN_DISPATCHER,
datapathid=datapath.id)
self.logger.debug("dispatch[type_]:%s", const.CON_MAIN_DISPATCHER)
self.logger.debug("dispatch[datapathid]:%s", datapath.id)
self.send_to_mld(dispatch_)
except:
self.logger.error("%s ", traceback.print_exc())
def _packet_in_handler(self, ev):
self.logger.debug("")
try:
msg = ev.msg
pkt = packet.Packet(msg.data)
self.logger.info("OFPPacketIn.[ver]:%s [dpid]:%s [xid]:%s",
msg.version, msg.datapath.id, msg.xid)
self.logger.debug("OFPPacketIn.[data]:%s", str(pkt))
# CHECK VLAN
pkt_vlan = None
if CHECK_VLAN_FLG:
pkt_vlan = pkt.get_protocol(vlan.vlan)
if not pkt_vlan:
self.logger.debug("check vlan:None \n")
return False
# CHECK ICMPV6
pkt_icmpv6 = pkt.get_protocol(icmpv6.icmpv6)
if not pkt_icmpv6:
self.logger.debug("check icmpv6:None \n")
return False
# CHECK MLD TYPE
if pkt_icmpv6.type_ not in [icmpv6.MLDV2_LISTENER_REPORT,
icmpv6.MLD_LISTENER_QUERY]:
self.logger.debug("check icmpv6.TYPE:%s \n",
str(pkt_icmpv6.type_))
return False
# CHECK FILTER_MODE
if pkt_icmpv6.type_ in [icmpv6.MLDV2_LISTENER_REPORT]:
if pkt_icmpv6.data.record_num == 0:
self.logger.debug("check data.record_num:%s \n",
str(pkt_icmpv6.data.record_num))
return False
for mldv2_report_group in pkt_icmpv6.data.records:
if mldv2_report_group.type_ \
not in [icmpv6.MODE_IS_INCLUDE,
icmpv6.CHANGE_TO_INCLUDE_MODE,
icmpv6.ALLOW_NEW_SOURCES,
icmpv6.BLOCK_OLD_SOURCES]:
self.logger.debug("check report_group.[type_]:%s \n",
str(mldv2_report_group.type_))
# CHECK_VLAN_ID
vid = pkt_vlan.vid if pkt_vlan else 0
# SET dispatch
dispatch_ = dispatch(type_=const.CON_PACKET_IN,
datapathid=msg.datapath.id,
cid=vid,
in_port=msg.match[const.DISP_IN_PORT],
data=pkt_icmpv6)
self.logger.debug("dispatch [type_]:%s", const.CON_PACKET_IN)
self.logger.debug("dispatch [datapathid]:%s", msg.datapath.id)
self.logger.debug("dispatch [cid]:%s", str(vid))
self.logger.debug("dispatch [in_port]:%s",
msg.match[const.DISP_IN_PORT])
self.logger.debug("dispatch [data]:%s", pkt_icmpv6)
self.send_to_mld(dispatch_)
except:
self.logger.error("%s ", traceback.print_exc())
