def install_group_mod(self, device_id):
action1 = pof.ofp_action_output(port_id=0x2)
bucket1 = pof.ofp_bucket()
bucket1.action_list.append(action1)
bucket1.action_num = len(bucket1.action_list)
bucket1.watch_slot_id = 0
bucket1.watch_port = 0x2
bucket1.watch_group = 8
action2 = pof.ofp_action_output(port_id=0x3)
bucket2 = pof.ofp_bucket()
bucket2.action_list.append(action2)
bucket2.action_num = len(bucket2.action_list)
bucket2.watch_slot_id = 0
bucket2.watch_port = 0x3
bucket2.watch_group = 8
group_msg = pof.ofp_group_mod()
group_msg.command = pof.OFPGC_ADD
group_msg.group_type = pof.OFPGT_FF
group_msg.group_id = 1
group_msg.slot_id = 0
group_msg.counter_id = 3
group_msg.bucket_list.append(bucket1)
group_msg.bucket_list.append(bucket2)
group_msg.bucket_num = len(group_msg.bucket_list)
print group_msg.show()
core.PofManager.write_of(device_id, group_msg)
def create_discovery_packet(self, dpid, port_num, port_addr):
"""
Build discovery packet
"""
chassis_id = pkt.chassis_id(subtype=pkt.chassis_id.SUB_LOCAL)
chassis_id.id = bytes('dpid:' + hex(long(dpid))[2:-1])
# Maybe this should be a MAC. But a MAC of what? Local port, maybe?
port_id = pkt.port_id(subtype=pkt.port_id.SUB_PORT, id=str(port_num))
ttl = pkt.ttl(ttl=self._ttl)
sysdesc = pkt.system_description()
sysdesc.payload = bytes('dpid:' + hex(long(dpid))[2:-1])
discovery_packet = pkt.lldp()
discovery_packet.tlvs.append(chassis_id)
discovery_packet.tlvs.append(port_id)
discovery_packet.tlvs.append(ttl)
discovery_packet.tlvs.append(sysdesc)
discovery_packet.tlvs.append(pkt.end_tlv())
eth = pkt.ethernet(type=pkt.ethernet.LLDP_TYPE)
eth.src = port_addr
eth.dst = pkt.ETHERNET.NDP_MULTICAST
eth.payload = discovery_packet
po = of.ofp_packet_out(action=of.ofp_action_output(port_id=port_num))
po.data = eth.pack()
return po.pack()
def encap_sr_header_w_pktout(dpid, matchx, output_port, port_list, event, out_dpid):
packetout_msg = pof.ofp_packet_out()
packetout_msg.actions.append(pof.ofp_action_output(port_id=int(port_list[-1])))
packetout_msg.data = event.ofp
packetout_msg.in_port = event.port
core.PofManager.write_of(out_dpid, packetout_msg)
return encap_sr_header(dpid, matchx, output_port, port_list)
def new_action_output(self, port_id_value_type, metadata_offset, metadata_length, packet_offset, port_id, port_id_field = None): # 0
#port_id_value_type: 0 for immediate number and 1 for field, metadata_offset:int
action = of.ofp_action_output()
action.port_id_value_type = port_id_value_type
action.metadata_offset = metadata_offset
action.metadata_length = metadata_length
action.packet_offset = packet_offset
action.port_id = port_id
action.port_id_field = port_id_field
return action
def new_action_output(self, port_id_value_type, metadata_offset, metadata_length, packet_offset, port_id, port_id_field = None): # 0
#port_id_value_type: 0 for immediate number and 1 for field, metadata_offset:int
action = of.ofp_action_output()
action.port_id_value_type = port_id_value_type
action.metadata_offset = metadata_offset
action.metadata_length = metadata_length
action.packet_offset = packet_offset
action.port_id = port_id
action.port_id_field = port_id_field
return action
def _handle_PacketIn(self, event):
# Note: arp.hwsrc is not necessarily equal to ethernet.src
# (one such example are arp replies generated by this module itself
# as ethernet mac is set to switch dpid) so we should be careful
# to use only arp addresses in the learning code!
squelch = False
dpid = event.connection.dpid
inport = event.port
packet = event.parsed
if not packet.parsed:
log.warning("%s: ignoring unparsed packet", dpid_to_str(dpid))
return
a = packet.find('arp')
if not a: return
log.debug("%s ARP %s %s => %s", dpid_to_str(dpid), {
arp.REQUEST: "request",
arp.REPLY: "reply"
}.get(a.opcode, 'op:%i' % (a.opcode, )), str(a.protosrc),
str(a.protodst))
if a.prototype == arp.PROTO_TYPE_IP:
if a.hwtype == arp.HW_TYPE_ETHERNET:
if a.protosrc != 0:
if _learn:
# Learn or update port/MAC info
if a.protosrc in _arp_table:
if _arp_table[a.protosrc] != a.hwsrc:
log.warn("%s RE-learned %s: %s->%s",
dpid_to_str(dpid), a.protosrc,
_arp_table[a.protosrc].mac, a.hwsrc)
else:
log.info("%s learned %s", dpid_to_str(dpid),
a.protosrc)
_arp_table[a.protosrc] = Entry(a.hwsrc)
if a.opcode == arp.REQUEST:
# Maybe we can answer
if a.protodst in _arp_table:
# We have an answer...
r = arp()
r.hwtype = a.hwtype
r.prototype = a.prototype
r.hwlen = a.hwlen
r.protolen = a.protolen
r.opcode = arp.REPLY
r.hwdst = a.hwsrc
r.protodst = a.protosrc
r.protosrc = a.protodst
mac = _arp_table[a.protodst].mac
if mac is True:
# Special case -- use ourself
mac = _dpid_to_mac(dpid)
r.hwsrc = mac
e = ethernet(type=packet.type,
src=_dpid_to_mac(dpid),
dst=a.hwsrc)
e.payload = r
if packet.type == ethernet.VLAN_TYPE:
v_rcv = packet.find('vlan')
e.payload = vlan(eth_type=e.type,
payload=e.payload,
id=v_rcv.id,
pcp=v_rcv.pcp)
e.type = ethernet.VLAN_TYPE
log.info("%s answering ARP for %s" %
(dpid_to_str(dpid), str(r.protosrc)))
msg = of.ofp_packet_out()
msg.data = e.pack()
msg.actions.append(
of.ofp_action_output(port=of.OFPP_IN_PORT))
msg.in_port = inport
event.connection.send(msg)
return EventHalt if _eat_packets else None
else:
# Keep track of failed queries
squelch = a.protodst in _failed_queries
_failed_queries[a.protodst] = time.time()
if self._check_for_flood(dpid, a):
# Didn't know how to handle this ARP, so just flood it
msg = "%s flooding ARP %s %s => %s" % (dpid_to_str(dpid), {
arp.REQUEST: "request",
arp.REPLY: "reply"
}.get(a.opcode, 'op:%i' % (a.opcode, )), a.protosrc, a.protodst)
if squelch:
log.debug(msg)
else:
log.info(msg)
msg = of.ofp_packet_out()
msg.actions.append(of.ofp_action_output(port_id=255))
msg.data = event.ofp
event.connection.send(msg.pack())
return EventHalt if _eat_packets else None
def _handle_PacketIn(event):
table_id = core.PofManager.get_flow_table_id(event.dpid, 'FirstEntryTable') # 0
match = core.PofManager.get_field("DMAC")[0]
temp_matchx = core.PofManager.new_matchx(match, 'ceb7ce59253a', 'FFFFFFFFFFFF')
action_1 = core.PofManager.new_action_output(0, 0, 0, 0, 0x2) # output
temp_ins = core.PofManager.new_ins_apply_actions([action_1])
core.PofManager.add_flow_entry(event.dpid, table_id, [temp_matchx], [temp_ins])
packetout_msg = of.ofp_packet_out()
packetout_msg.actions.append(of.ofp_action_output(port_id = 2))
packetout_msg.data = event.ofp
packetout_msg.in_port = event.port
event.connection.send(packetout_msg)
print 'packet out'
table_id = core.PofManager.get_flow_table_id(event.dpid, 'FirstEntryTable') # 0
match = core.PofManager.get_field("DMAC")[0]
temp_matchx = core.PofManager.new_matchx(match, '9e28862bf766', 'FFFFFFFFFFFF')
action_1 = core.PofManager.new_action_output(0, 0, 0, 0, 0x1) # output
temp_ins = core.PofManager.new_ins_apply_actions([action_1])
core.PofManager.add_flow_entry(event.dpid, table_id, [temp_matchx], [temp_ins])
# msg=of.ofp_flow_mod()
# msg.counter_id = 0
# msg.cookie = 0
# msg.cookie_mask = 0
# msg.table_id = 0
# msg.table_type = 0 #OF_MM_TABLE
# #msg.priority = 0
# msg.index = 0
#
# #matchx 1
# tempmatchx=of.ofp_matchx()
# tempmatchx.field_id=0
# tempmatchx.offset=0
# tempmatchx.length=48
# tempmatchx.set_value("aaea0e50be91") #Network Center PC MAC
# tempmatchx.set_mask("FFffFFffFFff")
# msg.match_list.append(tempmatchx)
#
# tempins=of.ofp_instruction_apply_actions()
# action = of.ofp_action_output()
# action.port_id = 1
# tempins.action_list.append(action)
# msg.instruction_list.append(tempins)
#
#
# event.connection.send(msg)
#
#
#
#
# msg1=of.ofp_flow_mod()
# msg1.counter_idd = 0
# msg1.cookie = 0
# msg1.cookie_mask = 0
# msg1.table_id = 0
# msg1.table_type = 0 #OF_MM_TABLE
# msg1.priority = 0
# msg1.index = 1
#
# #matchx 1
# #to h2s1
# tempmatchx1=of.ofp_matchx()
# tempmatchx1.fieldId=0
# tempmatchx1.offset=0
# tempmatchx1.length=48
# tempmatchx1.set_value("0ad4ca363f87") #Network Center PC MAC
# tempmatchx1.set_mask("FFffFFffFFff")
# msg1.match_list.append(tempmatchx1)
#
# tempins1=of.ofp_instruction_apply_actions()
# action1 = of.ofp_action_output()
# action1.port_id=2
# tempins1.action_list.append(action1)
# msg1.instruction_list.append(tempins1)
#
#
# event.connection.send(msg1)
log.info("Get PacketIn")
def _handle_ConnectionUp(self, event):
#core.PofManager.set_port_of_enable(event.dpid, core.PofManager.get_port_id_by_name(event.dpid, "eth1"))
#core.PofManager.set_port_of_enable(event.dpid, core.PofManager.get_port_id_by_name(event.dpid, "eth2"))
self.add_protocol()
self.add_metadata()
print 'table_id: ', core.PofManager.add_flow_table(
event.dpid, 'FirstEntryTable', of.OF_MM_TABLE, 128,
[core.PofManager.get_field(0)])
print 'table_id: ', core.PofManager.add_flow_table(
event.dpid, 'L2PA', of.OF_MM_TABLE, 128,
[core.PofManager.get_field(2)])
print 'table_id: ', core.PofManager.add_flow_table(
event.dpid, 'L3PA', of.OF_MM_TABLE, 128,
[core.PofManager.get_field(7),
core.PofManager.get_field(12)])
print 'table_id: ', core.PofManager.add_flow_table(
event.dpid, 'FIB', of.OF_LPM_TABLE, 128,
[core.PofManager.get_metadata_field("DIP")])
print 'table_id: ', core.PofManager.add_flow_table(
event.dpid, 'MacMap', of.OF_LINEAR_TABLE, 128) #16
print 'table_id: ', core.PofManager.add_flow_table(
event.dpid, 'VNI', of.OF_LINEAR_TABLE, 128) #17
print 'table_id: ', core.PofManager.add_flow_table(
event.dpid, 'VxLanEncap', of.OF_LINEAR_TABLE, 128) #18
print 'table_id: ', core.PofManager.add_flow_table(
event.dpid, 'FIB_DT', of.OF_LINEAR_TABLE, 128) #19
print 'table_id: ', core.PofManager.add_flow_table(
event.dpid, 'EPAT', of.OF_LINEAR_TABLE, 128) #20
print 'table_id: ', core.PofManager.add_flow_table(
event.dpid, 'VxLanDncap', of.OF_LINEAR_TABLE, 128) #21
# MM 0-0
temp_matchx = of.ofp_matchx(match20=core.PofManager.get_field(0),
value='90e2ba2a22ca',
mask='FFFFFFFFFFFF') #PC1
temp_ins = of.ofp_instruction_goto_direct_table(next_table_id=17,
index_value=0) #VNI
entry_id = core.PofManager.add_flow_entry(event.dpid, 0, [temp_matchx],
[temp_ins])
# MM 0-1
temp_matchx = of.ofp_matchx(match20=core.PofManager.get_field(0),
value='6cf0498cd47b',
mask='FFFFFFFFFFFF') #PC2
temp_ins = of.ofp_instruction_goto_direct_table(next_table_id=17,
index_value=0) #VNI
entry_id = core.PofManager.add_flow_entry(event.dpid, 0, [temp_matchx],
[temp_ins])
# MM 0-2
temp_matchx = of.ofp_matchx(match20=core.PofManager.get_field(0),
value='000000000003',
mask='FFFFFFFFFFFF') #PC3
temp_ins = of.ofp_instruction_goto_direct_table(next_table_id=16,
index_value=0) #MACMAP
entry_id = core.PofManager.add_flow_entry(event.dpid, 0, [temp_matchx],
[temp_ins])
# MM 0-3
temp_matchx = of.ofp_matchx(match20=core.PofManager.get_field(0),
value='bc305ba4e124',
mask='FFFFFFFFFFFF') #PC3
temp_ins = of.ofp_instruction_goto_direct_table(
next_table_id=19, index_value=1) #goto EPAT:OUTPUT
entry_id = core.PofManager.add_flow_entry(event.dpid, 0, [temp_matchx],
[temp_ins])
# MM 0-4
temp_matchx = of.ofp_matchx(match20=core.PofManager.get_field(0),
value='70F3950B7EC7',
mask='FFFFFFFFFFFF') #PC4
temp_ins = of.ofp_instruction_goto_direct_table(
next_table_id=17, index_value=0) #goto VNI
entry_id = core.PofManager.add_flow_entry(event.dpid, 0, [temp_matchx],
[temp_ins])
# MM 0-5
temp_matchx = of.ofp_matchx(match20=core.PofManager.get_field(0),
value='643E8C394002',
mask='FFFFFFFFFFFF') #USTC SW
temp_ins = of.ofp_instruction_goto_table(
next_table_id=1,
match_field_num=1,
match_list=[core.PofManager.get_field(2)]) #goto L2PA
entry_id = core.PofManager.add_flow_entry(event.dpid, 0, [temp_matchx],
[temp_ins])
# MM 0-6
temp_matchx = of.ofp_matchx(match20=core.PofManager.get_field(0),
value="FFFFFFFFFFFF",
mask='FFFFFFFFFFFF') #ARP
temp_ins = of.ofp_instruction_goto_table(
next_table_id=1,
match_field_num=1,
match_list=[core.PofManager.get_field(2)]) #goto L2PA
entry_id = core.PofManager.add_flow_entry(event.dpid, 0, [temp_matchx],
[temp_ins])
# L2PA (MM) 1-0
temp_matchx = of.ofp_matchx(match20=core.PofManager.get_field(2),
value="0800",
mask='FFFF') #IPV4
temp_ins = of.ofp_instruction_goto_table(
next_table_id=2,
match_field_num=2,
match_list=[
core.PofManager.get_field(7),
core.PofManager.get_field(12)
]) #goto L3PA
entry_id = core.PofManager.add_flow_entry(event.dpid, 1, [temp_matchx],
[temp_ins])
# L2PA (MM) 1-1
temp_matchx = of.ofp_matchx(match20=core.PofManager.get_field(2),
value="0806",
mask='FFFF') #ARP
temp_ins = of.ofp_instruction_apply_actions(action_num=1)
action = of.ofp_action_output(port_id=0x1003a)
temp_ins.action_list.append(action)
entry_id = core.PofManager.add_flow_entry(event.dpid, 1, [temp_matchx],
[temp_ins])
# L3PA (MM) 2-0
temp_matchx_1 = of.ofp_matchx(match20=core.PofManager.get_field(7),
value="11",
mask='FF') #ARP
temp_matchx_2 = of.ofp_matchx(match20=core.PofManager.get_field(12),
value="12B5",
mask='FFFF') #ARP
temp_ins_1 = of.ofp_instruction_goto_direct_table(
next_table_id=21, index_value=0) #goto VxLanDecap
entry_id = core.PofManager.add_flow_entry(
event.dpid, 2, [temp_matchx_1, temp_matchx_2], [temp_ins_1])
#MACMAP (LINEAR) 16-0
temp_ins_1 = of.ofp_instruction_apply_actions(action_num=1)
action = of.ofp_action_set_field(
field_setting=of.ofp_matchx(match20=core.PofManager.get_field(0),
value='bc305ba4e124',
mask='FFFFFFFFFFFF'))
temp_ins_1.action_list.append(action)
temp_ins_2 = of.ofp_instruction_goto_direct_table(
next_table_id=17, index_value=0) #goto VNI
entry_id = core.PofManager.add_flow_entry(event.dpid, 16, [],
[temp_ins_1, temp_ins_2])
# VNI (LINEAR) 17-0
temp_ins_1 = of.ofp_instruction_write_metadata(
metadata_offset=240, write_length=32,
value='72D6A6C1') # SIP, USTC SW
temp_ins_2 = of.ofp_instruction_write_metadata(
metadata_offset=272, write_length=32,
value='9FE23D4B') # DIP, NC SW
temp_ins_3 = of.ofp_instruction_write_metadata(metadata_offset=400,
write_length=24,
value='000032') # VNI
temp_ins_4 = of.ofp_instruction_goto_direct_table(
next_table_id=18, index_value=0) #goto VxLanEncap
entry_id = core.PofManager.add_flow_entry(
event.dpid, 17, [],
[temp_ins_1, temp_ins_2, temp_ins_3, temp_ins_4])
# VNI (LINEAR) 17-1
temp_ins_1 = of.ofp_instruction_write_metadata(
metadata_offset=240, write_length=32,
value='72D6A6C1') # SIP, USTC SW
temp_ins_2 = of.ofp_instruction_write_metadata(
metadata_offset=272, write_length=32,
value='D24BE144') # DIP, IOA SW
temp_ins_3 = of.ofp_instruction_write_metadata(metadata_offset=400,
write_length=24,
value='000031') # VNI
temp_ins_4 = of.ofp_instruction_goto_direct_table(
next_table_id=18, index_value=0) #goto VxLanEncap
entry_id = core.PofManager.add_flow_entry(
event.dpid, 17, [],
[temp_ins_1, temp_ins_2, temp_ins_3, temp_ins_4])
# VNI (LINEAR) 17-2
temp_ins_1 = of.ofp_instruction_write_metadata(
metadata_offset=240, write_length=32,
value='72D6A6C1') # SIP, USTC SW
temp_ins_2 = of.ofp_instruction_write_metadata(
metadata_offset=272, write_length=32,
value='3AFB9F4C') # DIP, HUAWEI SW
temp_ins_3 = of.ofp_instruction_write_metadata(metadata_offset=400,
write_length=24,
value='000034') # VNI
temp_ins_4 = of.ofp_instruction_goto_direct_table(
next_table_id=18, index_value=0) #goto VxLanEncap-0
entry_id = core.PofManager.add_flow_entry(
event.dpid, 17, [],
[temp_ins_1, temp_ins_2, temp_ins_3, temp_ins_4])
# VxLanEncap (LINEAR) 18-0
temp_ins_1 = of.ofp_instruction_write_metadata(
metadata_offset=128, write_length=16,
value='0800') # ETH_TYPE, ipv4
temp_ins_2 = of.ofp_instruction_write_metadata(
metadata_offset=144, write_length=16, value='4500') # V_IHL_TOS
temp_ins_3 = of.ofp_instruction_write_metadata(
metadata_offset=208, write_length=16, value='4011') # TTL_PROTOCOL
temp_ins_4 = of.ofp_instruction_write_metadata(
metadata_offset=320, write_length=16,
value='12B5') # UDP_Dport, VxLan
temp_ins_5 = of.ofp_instruction_goto_direct_table(
next_table_id=18, index_value=1) #goto VxLanEncap-1
entry_id = core.PofManager.add_flow_entry(
event.dpid, 18, [],
[temp_ins_1, temp_ins_2, temp_ins_3, temp_ins_4, temp_ins_5])
# VxLanEncap (LINEAR) 18-1
temp_ins_1 = of.ofp_instruction_write_metadata(
metadata_offset=304, write_length=16,
value='04d2') # UDP_Sport, 1234
temp_ins_2 = of.ofp_instruction_write_metadata(
metadata_offset=368, write_length=8, value='80') # VxLan Flag
temp_ins_3 = of.ofp_instruction_goto_direct_table(
next_table_id=18, index_value=2) #goto VxLanEncap-2
entry_id = core.PofManager.add_flow_entry(
event.dpid, 18, [], [temp_ins_1, temp_ins_2, temp_ins_3])
# VxLanEncap (LINEAR) 18-2
temp_ins_1 = of.ofp_instruction_calculate_field(
calc_type=of.OFPCT_ADD,
src_value_type=1,
src_field=core.PofManager.get_metadata_field("Pkt_Len"),
des_field=core.PofManager.get_metadata_field("UDP_Len"))
temp_ins_2 = of.ofp_instruction_calculate_field(
calc_type=of.OFPCT_ADD,
src_value_type=1,
src_field=core.PofManager.get_metadata_field("Pkt_Len"),
des_field=core.PofManager.get_metadata_field("Total_Len"))
temp_ins_3 = of.ofp_instruction_goto_direct_table(
next_table_id=18, index_value=3) #goto VxLanEncap-3
entry_id = core.PofManager.add_flow_entry(
event.dpid, 18, [], [temp_ins_1, temp_ins_2, temp_ins_3])
# VxLanEncap (LINEAR) 18-3
temp_ins_1 = of.ofp_instruction_calculate_field(
calc_type=of.OFPCT_ADD,
src_value_type=0,
src_value=16,
des_field=core.PofManager.get_metadata_field("UDP_Len"))
temp_ins_2 = of.ofp_instruction_calculate_field(
calc_type=of.OFPCT_ADD,
src_value_type=0,
src_value=36,
des_field=core.PofManager.get_metadata_field("Total_Len"))
temp_ins_3 = of.ofp_instruction_goto_direct_table(
next_table_id=18, index_value=4) #goto VxLanEncap-4
entry_id = core.PofManager.add_flow_entry(
event.dpid, 18, [], [temp_ins_1, temp_ins_2, temp_ins_3])
# VxLanEncap (LINEAR) 18-4
temp_ins_1 = of.ofp_instruction_apply_actions(action_num=1)
action = of.ofp_action_calculate_checksum(checksum_pos_type=1,
calc_pos_type=1,
checksum_position=224,
checksum_length=16,
calc_start_position=144,
calc_length=160)
temp_ins_1.action_list.append(action)
temp_ins_2 = of.ofp_instruction_goto_table(
next_table_id=8,
match_field_num=1,
match_list=[core.PofManager.get_metadata_field("DIP")])
entry_id = core.PofManager.add_flow_entry(event.dpid, 18, [],
[temp_ins_1, temp_ins_2])
#print 'entry_id: ', entry_id
# FIB (LPM) 8-0
temp_matchx = of.ofp_matchx(
match20=core.PofManager.get_metadata_field("DIP"),
value="00000000",
mask='00000000')
temp_ins = of.ofp_instruction_goto_direct_table(
next_table_id=19, index_value=0) # goto FIB-DT
entry_id = core.PofManager.add_flow_entry(event.dpid, 8, [temp_matchx],
[temp_ins])
# FIB-DT (LINEAR) 19-0
temp_ins_1 = of.ofp_instruction_write_metadata(
metadata_offset=32, write_length=48,
value='001244662000') # DMAC, USTC Gateway MAC
temp_ins_2 = of.ofp_instruction_goto_direct_table(
next_table_id=20, index_value=0) # goto EPAT
entry_id = core.PofManager.add_flow_entry(event.dpid, 19, [],
[temp_ins_1, temp_ins_2])
# EPAT (LINEAR) 20-0
temp_ins_1 = of.ofp_instruction_write_metadata(
metadata_offset=80, write_length=48,
value='643e8c394002') # USTC SW MAC
temp_ins_2 = of.ofp_instruction_apply_actions(action_num=1)
action = of.ofp_action_output(port_id=0x10041,
metadata_offset=32,
metadata_length=400)
temp_ins_2.action_list.append(action)
entry_id = core.PofManager.add_flow_entry(event.dpid, 20, [],
[temp_ins_1, temp_ins_2])
# EPAT (LINEAR) 20-1
temp_ins_1 = of.ofp_instruction_apply_actions(action_num=1)
action = of.ofp_action_output(port_id=0x10043)
temp_ins_1.action_list.append(action)
entry_id = core.PofManager.add_flow_entry(event.dpid, 20, [],
[temp_ins_1])
# VxLanDecap (LINEAR) 21-0
temp_ins_1 = of.ofp_instruction_goto_table(
next_table_id=0,
match_field_num=1,
packet_offset=50,
match_list=[core.PofManager.get_field(0)])
entry_id = core.PofManager.add_flow_entry(event.dpid, 21, [],
[temp_ins_1])
def _handle_PacketIn(self, event):
global total_entry_num
global total_flow_num
global reject_flow_num
global total_flow_entry_num
global avg_packet_overhead_pp
global ipTable
packet = event.parsed
if isinstance(packet.next, ipv4):
#dst_ip_net = check_ip_prefix(packet.next.dstip, ipTable)
if packet.next.dstip in ipTable.keys():
src_ip = packet.next.srcip
dst_ip = packet.next.dstip
if isinstance(packet.next.next, udp):
dst_port = packet.next.next.dstport
src_port = packet.next.next.srcport
if src_port != 5001:
if (src_ip, dst_ip,
src_port) not in self.has_packetin_flow_list:
total_flow_num += 1
print 'Total number of handled flow: ', total_flow_num
print 'Number of rejected flow: ', reject_flow_num
print 'Reject rate: ', float(
reject_flow_num) / total_flow_num
print 'Total number of flow entry:', total_flow_entry_num
print 'Average packet overhead:', avg_packet_overhead_pp
print '----------' \
'---------'
# print 'dst_port:', dst_port, port2hex(dst_port)
self.has_packetin_flow_list.append(
(src_ip, dst_ip, src_port))
dst_dpid = ipTable[packet.next.dstip][0]
dst_outport = ipTable[packet.next.dstip][1]
# for dpid in switch_resource.keys():
# print 'table resource:', switch_resource[dpid]
if switch_resource[event.dpid] > 0:
# check table resource on ingress node
# for i in xrange(self.in_service_flow.qsize()):
# # check the running flow entry whether it is timeout
# f = self.in_service_flow.get()
# if time.time() >= f[0]:
# core.PofManager.delete_flow_entry(f[1].dpid, f[1].table_id, f[1].entry_id)
# switch_resource[f[1].dpid] += 1
# self.has_packetin_flow_list.remove(f[1].flow_metadata)
#
# else:
# self.in_service_flow.put(f)
# break
ip_addr_hex = ip2hex(packet.next.dstip.toStr())
first_hop_outport, port_list, path_list = cal_route(
event.dpid, packet.next.dstip)
last_hop = path_list[-1]
log.info('path: %s' % path_list)
# log.info('output port: %s' % port_list)
entry_id = encap_sr_header_by_dip_sport_w_pktout(dpid=event.dpid, \
dip=ip_addr_hex, \
dip_mask = 'FFffFFff', \
sport = port2hex(src_port),\
sport_mask = 'FFff',\
output_port = first_hop_outport, \
port_list = port_list,\
event = event, \
out_dpid = last_hop)
ctime = time.time()
flow_info = InServiceFlowInfo(event.dpid, \
core.PofManager.get_flow_table_id(event.dpid, 'SRHeaderEncapTable'), \
entry_id, ctime, (src_ip, dst_ip, src_port))
# flow_info = InServiceFlowInfo4S(event.dpid, ctime, path_list)
self.in_service_flow.put(
(ctime + flow_info.holding_time,
flow_info))
switch_resource[event.dpid] -= 1
total_flow_entry_num += 1
avg_packet_overhead_pp = (avg_packet_overhead_pp * (total_flow_num - reject_flow_num -1) \
+ len(port_list) * PORT_FIELD_LEN) / (total_flow_num - reject_flow_num)
else:
reject_flow_num += 1
ip_addr_hex = ip2hex(packet.next.dstip.toStr())
encap_sr_header_by_dip_sport_drop(
event.dpid, ip_addr_hex, 'FFffFFff',
port2hex(src_port), 'FFff')
else:
# packetout these messages
pass
# self.duplicated_packetin_counter += 1
# print self.duplicated_packetin_counter
dst_dpid = ipTable[packet.next.dstip][0]
dst_outport = ipTable[packet.next.dstip][1]
pktout_msg = pof.ofp_packet_out()
output_action = pof.ofp_action_output(
port_id=dst_outport)
pktout_msg.actions = [output_action]
pktout_msg.in_port = event.port
pktout_msg.data = event.ofp
core.PofManager.write_of(dst_dpid, pktout_msg)
else:
ip_addr_hex = ip2hex(packet.next.dstip.toStr())
first_hop_outport, port_list, path_list = cal_route(
event.dpid, packet.next.dstip)
last_hop = path_list[-1]
entry_id = encap_sr_header_by_dip_sport_w_pktout(dpid=event.dpid, \
dip=ip_addr_hex, \
dip_mask='FFffFFff', \
sport=port2hex(5001), \
sport_mask='FFff', \
output_port=first_hop_outport, \
port_list=port_list, \
event=event, \
out_dpid=last_hop)
elif isinstance(packet.next.next, tcp):
src_port = packet.next.next.srcport
dst_dpid = ipTable[packet.next.dstip][0]
dst_outport = ipTable[packet.next.dstip][1]
ip_addr_hex = ip2hex(packet.next.dstip.toStr())
first_hop_outport, port_list, path_list = cal_route(
event.dpid, packet.next.dstip)
last_hop = path_list[-1]
log.info('path: %s' % path_list)
# log.info('output port: %s' % port_list)
entry_id = encap_sr_header_by_dip_sport_w_pktout(dpid=event.dpid, \
dip=ip_addr_hex, \
dip_mask='FFffFFff', \
sport=port2hex(src_port), \
sport_mask='FFff', \
output_port=first_hop_outport, \
port_list=port_list, \
event=event, \
out_dpid=last_hop)
#
# elif isinstance(packet.next.next, icmp):
# # ipv4 but not udp
# dst_dpid = ipTable[packet.next.dstip][0]
# dst_outport = ipTable[packet.next.dstip][1]
#
# ip_addr_hex = ip2hex(packet.next.dstip.toStr())
#
# first_hop_outport, port_list, path_list = cal_route(event.dpid, packet.next.dstip)
# last_hop = path_list[-1]
#
# log.info('path: %s' % path_list)
# log.info('output port: %s' % port_list)
#
# entry_id = encap_sr_header_by_dip_dport_w_pktout(dpid=event.dpid, \
# dip=ip_addr_hex, \
# dip_mask='FFffFFff', \
# dport='0000',\
# dport_mask='0000',\
# output_port=first_hop_outport, \
# port_list=port_list, \
# event=event, \
# out_dpid=last_hop)
# else:
# log.info('Dstination IP address unreachable!')
elif isinstance(packet.next, arp):
log.info(packet.next._to_str())
ip_addr_hex = ip2hex(packet.next.protodst.toStr())
#target_ip_net = check_ip_prefix(packet.next.protodst, ipTable)
if (packet.src, packet.next.protodst) not in self.has_packetin_arp:
if packet.next.protodst in ipTable.keys():
#if target_ip_net:
self.has_packetin_arp.append(
(packet.src, packet.next.protodst))
port_list, path_list = cal_path(event.dpid,
packet.next.protodst)
# print 'port list', port_list
# print 'path list', path_list
for dpid, port in zip(path_list, port_list):
install_arp_target_ip_match_entry(
dpid, ip_addr_hex, port)
# reverse path flow entry
port_list_rev, path_list_rev = cal_path(
path_list[-1], packet.next.protosrc)
ip_addr_hex_rev = ip2hex(packet.next.protosrc.toStr())
# print 'port list reverse', port_list_rev
# print 'path list reverse', path_list_rev
for dpid, port in zip(path_list_rev, port_list_rev):
install_arp_target_ip_match_entry(
dpid, ip_addr_hex_rev, port)
else:
log.info('Request IP address unreachable!')
elif isinstance(packet.next, ipv6):
drop()
def _handle_ConnectionUp (self, event):
#core.PofManager.set_port_of_enable(event.dpid, core.PofManager.get_port_id_by_name(event.dpid, "eth1"))
#core.PofManager.set_port_of_enable(event.dpid, core.PofManager.get_port_id_by_name(event.dpid, "eth2"))
self.add_protocol()
self.add_metadata()
print 'table_id: ',core.PofManager.add_flow_table(event.dpid, 'FirstEntryTable', of.OF_MM_TABLE, 128, [core.PofManager.get_field(0)])
print 'table_id: ',core.PofManager.add_flow_table(event.dpid, 'L2PA', of.OF_MM_TABLE, 128, [core.PofManager.get_field(2)])
print 'table_id: ',core.PofManager.add_flow_table(event.dpid, 'L3PA', of.OF_MM_TABLE, 128, [core.PofManager.get_field(7),core.PofManager.get_field(12)])
print 'table_id: ',core.PofManager.add_flow_table(event.dpid, 'FIB', of.OF_LPM_TABLE, 128, [core.PofManager.get_metadata_field("DIP")])
print 'table_id: ',core.PofManager.add_flow_table(event.dpid, 'MacMap', of.OF_LINEAR_TABLE, 128) #16
print 'table_id: ',core.PofManager.add_flow_table(event.dpid, 'VNI', of.OF_LINEAR_TABLE, 128) #17
print 'table_id: ',core.PofManager.add_flow_table(event.dpid, 'VxLanEncap', of.OF_LINEAR_TABLE, 128) #18
print 'table_id: ',core.PofManager.add_flow_table(event.dpid, 'FIB_DT', of.OF_LINEAR_TABLE, 128) #19
print 'table_id: ',core.PofManager.add_flow_table(event.dpid, 'EPAT', of.OF_LINEAR_TABLE, 128) #20
print 'table_id: ',core.PofManager.add_flow_table(event.dpid, 'VxLanDncap', of.OF_LINEAR_TABLE, 128) #21
# MM 0-0
temp_matchx = of.ofp_matchx(match20=core.PofManager.get_field(0), value='90e2ba2a22ca', mask='FFFFFFFFFFFF') #PC1
temp_ins = of.ofp_instruction_goto_direct_table(next_table_id=17, index_value=0) #VNI
entry_id = core.PofManager.add_flow_entry(event.dpid, 0, [temp_matchx], [temp_ins])
# MM 0-1
temp_matchx = of.ofp_matchx(match20=core.PofManager.get_field(0), value='6cf0498cd47b', mask='FFFFFFFFFFFF') #PC2
temp_ins = of.ofp_instruction_goto_direct_table(next_table_id=17, index_value=0) #VNI
entry_id = core.PofManager.add_flow_entry(event.dpid, 0, [temp_matchx], [temp_ins])
# MM 0-2
temp_matchx = of.ofp_matchx(match20=core.PofManager.get_field(0), value='000000000003', mask='FFFFFFFFFFFF') #PC3
temp_ins = of.ofp_instruction_goto_direct_table(next_table_id=16, index_value=0) #MACMAP
entry_id = core.PofManager.add_flow_entry(event.dpid, 0, [temp_matchx], [temp_ins])
# MM 0-3
temp_matchx = of.ofp_matchx(match20=core.PofManager.get_field(0), value='bc305ba4e124', mask='FFFFFFFFFFFF') #PC3
temp_ins = of.ofp_instruction_goto_direct_table(next_table_id=19, index_value=1) #goto EPAT:OUTPUT
entry_id = core.PofManager.add_flow_entry(event.dpid, 0, [temp_matchx], [temp_ins])
# MM 0-4
temp_matchx = of.ofp_matchx(match20=core.PofManager.get_field(0), value='70F3950B7EC7', mask='FFFFFFFFFFFF') #PC4
temp_ins = of.ofp_instruction_goto_direct_table(next_table_id=17, index_value=0) #goto VNI
entry_id = core.PofManager.add_flow_entry(event.dpid, 0, [temp_matchx], [temp_ins])
# MM 0-5
temp_matchx = of.ofp_matchx(match20=core.PofManager.get_field(0), value='643E8C394002', mask='FFFFFFFFFFFF') #USTC SW
temp_ins = of.ofp_instruction_goto_table(next_table_id=1, match_field_num = 1, match_list = [core.PofManager.get_field(2)]) #goto L2PA
entry_id = core.PofManager.add_flow_entry(event.dpid, 0, [temp_matchx], [temp_ins])
# MM 0-6
temp_matchx = of.ofp_matchx(match20=core.PofManager.get_field(0), value="FFFFFFFFFFFF", mask='FFFFFFFFFFFF') #ARP
temp_ins = of.ofp_instruction_goto_table(next_table_id=1, match_field_num = 1, match_list = [core.PofManager.get_field(2)]) #goto L2PA
entry_id = core.PofManager.add_flow_entry(event.dpid, 0, [temp_matchx], [temp_ins])
# L2PA (MM) 1-0
temp_matchx = of.ofp_matchx(match20=core.PofManager.get_field(2), value="0800", mask='FFFF') #IPV4
temp_ins = of.ofp_instruction_goto_table(next_table_id=2, match_field_num=2, match_list=[core.PofManager.get_field(7),core.PofManager.get_field(12)]) #goto L3PA
entry_id = core.PofManager.add_flow_entry(event.dpid, 1, [temp_matchx], [temp_ins])
# L2PA (MM) 1-1
temp_matchx = of.ofp_matchx(match20=core.PofManager.get_field(2), value="0806", mask='FFFF') #ARP
temp_ins = of.ofp_instruction_apply_actions(action_num = 1)
action = of.ofp_action_output(port_id = 0x1003a)
temp_ins.action_list.append(action)
entry_id = core.PofManager.add_flow_entry(event.dpid, 1, [temp_matchx], [temp_ins])
# L3PA (MM) 2-0
temp_matchx_1 = of.ofp_matchx(match20=core.PofManager.get_field(7), value="11", mask='FF') #ARP
temp_matchx_2 = of.ofp_matchx(match20=core.PofManager.get_field(12), value="12B5", mask='FFFF') #ARP
temp_ins_1 = of.ofp_instruction_goto_direct_table(next_table_id=21, index_value=0) #goto VxLanDecap
entry_id = core.PofManager.add_flow_entry(event.dpid, 2, [temp_matchx_1, temp_matchx_2], [temp_ins_1])
#MACMAP (LINEAR) 16-0
temp_ins_1 = of.ofp_instruction_apply_actions(action_num = 1)
action = of.ofp_action_set_field(field_setting = of.ofp_matchx(match20 = core.PofManager.get_field(0), value = 'bc305ba4e124', mask = 'FFFFFFFFFFFF'))
temp_ins_1.action_list.append(action)
temp_ins_2 = of.ofp_instruction_goto_direct_table(next_table_id=17, index_value=0) #goto VNI
entry_id = core.PofManager.add_flow_entry(event.dpid, 16, [], [temp_ins_1, temp_ins_2])
# VNI (LINEAR) 17-0
temp_ins_1 = of.ofp_instruction_write_metadata(metadata_offset = 240, write_length = 32, value = '72D6A6C1') # SIP, USTC SW
temp_ins_2 = of.ofp_instruction_write_metadata(metadata_offset = 272, write_length = 32, value = '9FE23D4B') # DIP, NC SW
temp_ins_3 = of.ofp_instruction_write_metadata(metadata_offset = 400, write_length = 24, value = '000032') # VNI
temp_ins_4 = of.ofp_instruction_goto_direct_table(next_table_id=18, index_value=0) #goto VxLanEncap
entry_id = core.PofManager.add_flow_entry(event.dpid, 17, [], [temp_ins_1, temp_ins_2, temp_ins_3, temp_ins_4])
# VNI (LINEAR) 17-1
temp_ins_1 = of.ofp_instruction_write_metadata(metadata_offset = 240, write_length = 32, value = '72D6A6C1') # SIP, USTC SW
temp_ins_2 = of.ofp_instruction_write_metadata(metadata_offset = 272, write_length = 32, value = 'D24BE144') # DIP, IOA SW
temp_ins_3 = of.ofp_instruction_write_metadata(metadata_offset = 400, write_length = 24, value = '000031') # VNI
temp_ins_4 = of.ofp_instruction_goto_direct_table(next_table_id=18, index_value=0) #goto VxLanEncap
entry_id = core.PofManager.add_flow_entry(event.dpid, 17, [], [temp_ins_1, temp_ins_2, temp_ins_3, temp_ins_4])
# VNI (LINEAR) 17-2
temp_ins_1 = of.ofp_instruction_write_metadata(metadata_offset = 240, write_length = 32, value = '72D6A6C1') # SIP, USTC SW
temp_ins_2 = of.ofp_instruction_write_metadata(metadata_offset = 272, write_length = 32, value = '3AFB9F4C') # DIP, HUAWEI SW
temp_ins_3 = of.ofp_instruction_write_metadata(metadata_offset = 400, write_length = 24, value = '000034') # VNI
temp_ins_4 = of.ofp_instruction_goto_direct_table(next_table_id=18, index_value=0) #goto VxLanEncap-0
entry_id = core.PofManager.add_flow_entry(event.dpid, 17, [], [temp_ins_1, temp_ins_2, temp_ins_3, temp_ins_4])
# VxLanEncap (LINEAR) 18-0
temp_ins_1 = of.ofp_instruction_write_metadata(metadata_offset = 128, write_length = 16, value = '0800') # ETH_TYPE, ipv4
temp_ins_2 = of.ofp_instruction_write_metadata(metadata_offset = 144, write_length = 16, value = '4500') # V_IHL_TOS
temp_ins_3 = of.ofp_instruction_write_metadata(metadata_offset = 208, write_length = 16, value = '4011') # TTL_PROTOCOL
temp_ins_4 = of.ofp_instruction_write_metadata(metadata_offset = 320, write_length = 16, value = '12B5') # UDP_Dport, VxLan
temp_ins_5 = of.ofp_instruction_goto_direct_table(next_table_id=18, index_value=1) #goto VxLanEncap-1
entry_id = core.PofManager.add_flow_entry(event.dpid, 18, [], [temp_ins_1, temp_ins_2, temp_ins_3, temp_ins_4, temp_ins_5])
# VxLanEncap (LINEAR) 18-1
temp_ins_1 = of.ofp_instruction_write_metadata(metadata_offset = 304, write_length = 16, value = '04d2') # UDP_Sport, 1234
temp_ins_2 = of.ofp_instruction_write_metadata(metadata_offset = 368, write_length = 8, value = '80') # VxLan Flag
temp_ins_3 = of.ofp_instruction_goto_direct_table(next_table_id=18, index_value=2) #goto VxLanEncap-2
entry_id = core.PofManager.add_flow_entry(event.dpid, 18, [], [temp_ins_1, temp_ins_2, temp_ins_3])
# VxLanEncap (LINEAR) 18-2
temp_ins_1=of.ofp_instruction_calculate_field(calc_type=of.OFPCT_ADD, src_value_type=1, src_field=core.PofManager.get_metadata_field("Pkt_Len"), des_field=core.PofManager.get_metadata_field("UDP_Len"))
temp_ins_2=of.ofp_instruction_calculate_field(calc_type=of.OFPCT_ADD, src_value_type=1, src_field=core.PofManager.get_metadata_field("Pkt_Len"), des_field=core.PofManager.get_metadata_field("Total_Len"))
temp_ins_3 = of.ofp_instruction_goto_direct_table(next_table_id=18, index_value=3) #goto VxLanEncap-3
entry_id = core.PofManager.add_flow_entry(event.dpid, 18, [], [temp_ins_1, temp_ins_2, temp_ins_3])
# VxLanEncap (LINEAR) 18-3
temp_ins_1=of.ofp_instruction_calculate_field(calc_type=of.OFPCT_ADD, src_value_type=0, src_value=16, des_field=core.PofManager.get_metadata_field("UDP_Len"))
temp_ins_2=of.ofp_instruction_calculate_field(calc_type=of.OFPCT_ADD, src_value_type=0, src_value=36, des_field=core.PofManager.get_metadata_field("Total_Len"))
temp_ins_3 = of.ofp_instruction_goto_direct_table(next_table_id=18, index_value=4) #goto VxLanEncap-4
entry_id = core.PofManager.add_flow_entry(event.dpid, 18, [], [temp_ins_1, temp_ins_2, temp_ins_3])
# VxLanEncap (LINEAR) 18-4
temp_ins_1 = of.ofp_instruction_apply_actions(action_num = 1)
action=of.ofp_action_calculate_checksum(checksum_pos_type=1, calc_pos_type=1, checksum_position=224,checksum_length=16,calc_start_position=144,calc_length=160)
temp_ins_1.action_list.append(action)
temp_ins_2 = of.ofp_instruction_goto_table(next_table_id=8, match_field_num = 1, match_list = [core.PofManager.get_metadata_field("DIP")])
entry_id = core.PofManager.add_flow_entry(event.dpid, 18, [], [temp_ins_1, temp_ins_2])
#print 'entry_id: ', entry_id
# FIB (LPM) 8-0
temp_matchx = of.ofp_matchx(match20=core.PofManager.get_metadata_field("DIP"), value="00000000", mask='00000000')
temp_ins = of.ofp_instruction_goto_direct_table(next_table_id=19, index_value=0) # goto FIB-DT
entry_id = core.PofManager.add_flow_entry(event.dpid, 8, [temp_matchx], [temp_ins])
# FIB-DT (LINEAR) 19-0
temp_ins_1 = of.ofp_instruction_write_metadata(metadata_offset = 32, write_length = 48, value = '001244662000') # DMAC, USTC Gateway MAC
temp_ins_2 = of.ofp_instruction_goto_direct_table(next_table_id=20, index_value=0) # goto EPAT
entry_id = core.PofManager.add_flow_entry(event.dpid, 19, [], [temp_ins_1, temp_ins_2])
# EPAT (LINEAR) 20-0
temp_ins_1 = of.ofp_instruction_write_metadata(metadata_offset = 80, write_length = 48, value = '643e8c394002') # USTC SW MAC
temp_ins_2 = of.ofp_instruction_apply_actions(action_num = 1)
action = of.ofp_action_output(port_id = 0x10041, metadata_offset = 32, metadata_length = 400)
temp_ins_2.action_list.append(action)
entry_id = core.PofManager.add_flow_entry(event.dpid, 20, [], [temp_ins_1, temp_ins_2])
# EPAT (LINEAR) 20-1
temp_ins_1 = of.ofp_instruction_apply_actions(action_num = 1)
action = of.ofp_action_output(port_id = 0x10043)
temp_ins_1.action_list.append(action)
entry_id = core.PofManager.add_flow_entry(event.dpid, 20, [], [temp_ins_1])
# VxLanDecap (LINEAR) 21-0
temp_ins_1 = of.ofp_instruction_goto_table(next_table_id=0, match_field_num=1, packet_offset=50, match_list = [core.PofManager.get_field(0)])
entry_id = core.PofManager.add_flow_entry(event.dpid, 21, [], [temp_ins_1])