def install_match_port_entry(dpid, port_id, backup_port_list):
# print"##############################################"
table_id = core.PofManager.get_flow_table_id(dpid, 'CheckPortNumTable')
match = pof.ofp_match20(field_id=-1, offset=56, length=8)
matchx_port = core.PofManager.new_matchx(match, port_id, "FF")
backup_port_len = len(backup_port_list)
port_str = ''
match_ttl = core.PofManager.get_field('TTL')[0]
del_field_action = core.PofManager.new_action_delete_field(field_position=PORT_FIELD_OFFSET, \
length_value_type=0, \
length_value=PORT_FIELD_LEN, \
)
ins_apply_action = core.PofManager.new_ins_apply_actions([del_field_action])
ins_decrease_ttl = core.PofManager.new_ins_calculate_field(pof.OFPCT_SUBTRACT, 0, \
match_ttl, 1)
ins0 = core.PofManager.new_ins_write_metadata_from_packet(64, 120, 0)
for port in backup_port_list:
if port < 16:
port_str = port_str + '0' + hex(port)[2:]
else:
port_str = port_str + hex(port)[2:]
ins1 = core.PofManager.new_ins_write_metadata(184, backup_port_len * 8, port_str)
metadata_ttl = pof.ofp_match20(field_id=-1, offset=176, length=8)
#ins2 = core.PofManager.new_ins_calculate_field(0, 0, metadata_ttl, backup_port_len - 1)
ins2 = core.PofManager.new_ins_calculate_field(0, 0, metadata_ttl, backup_port_len)
new_action1 = core.PofManager.new_action_group(string.atoi(port_id))
ins3 = core.PofManager.new_ins_apply_actions([new_action1])
core.PofManager.add_flow_entry(dpid, table_id, [matchx_port], [ins_apply_action,ins_decrease_ttl,ins0, ins1, ins2, ins3])
def _group_mod(dpid, output_port, backup_output_port, backup_port_len):
# del_field_action = core.PofManager.new_action_delete_field(field_position=PORT_FIELD_OFFSET, \
# length_value_type=0, \
# length_value=PORT_FIELD_LEN, \
# )
metadata_port = pof.ofp_match20(field_id=-1, offset=32, length=32)
output_action1 = core.PofManager.new_action_output(port_id_value_type=1, \
metadata_offset=0, \
metadata_length=0, \
packet_offset=0, \
port_id=output_port, \
port_id_field=metadata_port)
bucket1 = new_bucket([output_action1], watch_port=output_port)
# ------
output_action2 = core.PofManager.new_action_output(port_id_value_type=0, \
metadata_offset=64, \
metadata_length=120 + backup_port_len * 8, \
packet_offset=15, \
port_id=backup_output_port, \
)
bucket2 = new_bucket([output_action2], watch_port=backup_output_port)
add_ff_group_table(dpid=dpid, group_id=output_port, bucket_list=[bucket1,bucket2])
def new_metadata_field(self, field_name, field_offset, field_length):
"""
if field_offset < 32:
log.error("wrong offset")
return None
"""
if len(self.metadata_list) != 0 and field_offset < (
self.metadata_list[-1].offset + self.metadata_list[-1].length
):
log.error("wrong offset")
return None
match_field = of.ofp_match20()
match_field.field_name = field_name
match_field.field_id = -1
match_field.offset = field_offset
match_field.length = field_length
log.info(
"Add Metadata [offset] "
+ str(field_offset)
+ " [length] "
+ str(field_length)
+ " [field_name] "
+ field_name
)
self.metadata_list.append(match_field)
def _install_output_entry(dpid):
table_id = core.PofManager.get_flow_table_id(dpid, 'FirstEntryTable')
match = core.PofManager.get_field('SIP')[0]
temp_matchx = core.PofManager.new_matchx(match, '0a000001', 'FFFFFFFF')
metadata_port = pof.ofp_match20(field_id=-1, offset=32, length=8)
output_action = core.PofManager.new_action_output(port_id_value_type=0, \
metadata_offset=32, \
metadata_length=32, \
packet_offset=120, \
port_id=2, \
port_id_field=metadata_port)
ins_apply_action = core.PofManager.new_ins_apply_actions([output_action])
ins_write_port_to_metadata = core.PofManager.new_ins_write_metadata_from_packet( \
metadata_offset=32 , \
write_length=32, \
packet_offset=120)
core.PofManager.add_flow_entry(dpid, table_id, [temp_matchx],
[ins_apply_action])
def _handle_ConnectionUp(self, event):
# add_flow_table(self, switch_id, table_name, table_type, table_size, match_field_list = [])
core.PofManager.add_flow_table(event.dpid, 'FirstEntryTable', pof.OF_MM_TABLE, 128, \
[core.PofManager.get_field('DL_TYPE')[0]])
core.PofManager.add_flow_table(event.dpid, 'WritePortToMetadataTable', pof.OF_LINEAR_TABLE, 1)
core.PofManager.add_flow_table(event.dpid, 'CheckTTL_Fork', pof.OF_MM_TABLE, 4, \
[core.PofManager.get_field('TTL')[0], core.PofManager.get_field('ForkFlag')[0]])
core.PofManager.add_flow_table(event.dpid, 'OutputTable', pof.OF_LINEAR_TABLE, 1)
core.PofManager.add_flow_table(event.dpid, 'SRHeaderEncapTable', pof.OF_EM_TABLE, 3000, \
[core.PofManager.get_field('SIP')[0], core.PofManager.get_field('SPORT')[0]])
core.PofManager.add_flow_table(event.dpid, 'ARPTargetIPTable', pof.OF_MM_TABLE, 128, \
[core.PofManager.get_field('TPA')[0]])
# multicast table
# core.PofManager.add_flow_table(event.dpid, 'CheckFork', pof.OF_MM_TABLE, 2, \
# [core.PofManager.get_field('ForkFlag')[0]])
metadata_port = pof.ofp_match20(field_id=-1, offset=52, length=12)
core.PofManager.add_flow_table(event.dpid, 'GroupMatchTable', pof.OF_EM_TABLE, 3000, [metadata_port])
import time
time.sleep(1) # error if not sleep, maybe send flowmod too fast.
_install_type_match_entry(event.dpid)
_install_write_port_to_metadata_entry(event.dpid)
# _install_ttl_match_entry(event.dpid, match_value='01', match_mask='FF', prior=0x0700)
# _install_ttl_match_entry(event.dpid, match_value='01', match_mask='00')
_install_output_entry(event.dpid)
# ingress node table
_install_srheader_encap_table(event.dpid)
install_arp_type_match_entry(event.dpid)
# fork node
# install_checkfork_entry(event.dpid)
install_check_ttl_fork_entry(event.dpid)
def _group_mod(self, dpid, output_port, backup_output_port,
backup_port_len):
metadata_port = pof.ofp_match20(field_id=-1, offset=32, length=32)
output_action1 = core.PofManager.new_action_output(port_id_value_type=1, \
metadata_offset=0, \
metadata_length=0, \
packet_offset=0, \
port_id=output_port, \
port_id_field=metadata_port)
bucket1 = new_bucket([output_action1], watch_port=output_port)
#------
output_action2 = core.PofManager.new_action_output(port_id_value_type=0, \
metadata_offset=64, \
metadata_length=120+backup_port_len*8, \
packet_offset=15, \
port_id=backup_output_port, \
)
bucket2 = new_bucket([output_action2], watch_port=backup_output_port)
add_ff_group_table(dpid=dpid,
group_id=output_port,
bucket_list=[bucket1, bucket2])
def new_field(self, field_name, offset, length): # FIXME:??
field_id = self.field_id_no
match_field = of.ofp_match20()
match_field.field_name = field_name
match_field.field_id = field_id
match_field.offset = offset
match_field.length = length
self.field_database[field_id] = match_field
self.field_id_no += 1
return field_id
def new_field(self, field_name, offset, length): # FIXME:??
field_id = self.field_id_no
match_field = of.ofp_match20()
match_field.field_name = field_name
match_field.field_id = field_id
match_field.offset = offset
match_field.length = length
self.field_database[field_id] = match_field
self.field_id_no += 1
return field_id
def new_field(self, field_name, offset, length): # FIXME:??
field_id = self.field_id_no
match_field = of.ofp_match20()
match_field.field_name = field_name
match_field.field_id = field_id
match_field.offset = offset
match_field.length = length
self.field_database[field_id] = match_field
self.field_id_no += 1
log.info("Add Field [field_id] "+ str(field_id) + " [offset] " + str(offset) + " [length] " + str(length) + " [field_name] " + field_name)
return field_id
def _install_output_entry(dpid):
table_id = core.PofManager.get_flow_table_id(dpid, 'OutputTable')
metadata_port = pof.ofp_match20(field_id=-1, offset=32, length=32)
output_action = core.PofManager.new_action_output(port_id_value_type=1, \
metadata_offset=0, \
metadata_length=0, \
packet_offset=0, \
port_id=0, \
port_id_field=metadata_port)
ins_apply_action = core.PofManager.new_ins_apply_actions([output_action])
core.PofManager.add_flow_entry(dpid, table_id, [], [ins_apply_action])
def install_match_port_entry(dpid, port_id, backup_port_list):
#print"##############################################"
table_id = core.PofManager.get_flow_table_id(dpid, 'CheckPortNumTable')
match = pof.ofp_match20(field_id=-1, offset=56, length=8)
matchx_port = core.PofManager.new_matchx(match, port_id, "FF")
backup_port_len = len(backup_port_list)
port_str = ''
ins0 = core.PofManager.new_ins_write_metadata_from_packet(64, 120, 0)
for port in backup_port_list:
if port < 16:
port_str = port_str + '0' + hex(port)[2:]
else:
port_str = port_str + hex(port)[2:]
ins1 = core.PofManager.new_ins_write_metadata(184, backup_port_len * 8,
port_str)
metadata_ttl = pof.ofp_match20(field_id=-1, offset=176, length=8)
ins2 = core.PofManager.new_ins_calculate_field(0, 0, metadata_ttl,
backup_port_len)
new_action1 = core.PofManager.new_action_group(string.atoi(port_id))
ins3 = core.PofManager.new_ins_apply_actions([new_action1])
core.PofManager.add_flow_entry(dpid, table_id, [matchx_port],
[ins0, ins1, ins2, ins3])
def new_metadata_field(self, field_name, field_offset, field_length):
"""
if field_offset < 32:
log.error("wrong offset")
return None
"""
if len(self.metadata_list) != 0 and field_offset < (self.metadata_list[-1].offset + self.metadata_list[-1].length):
log.error("wrong offset")
return None
match_field = of.ofp_match20()
match_field.field_name = field_name
match_field.field_id = -1
match_field.offset = field_offset
match_field.length = field_length
self.metadata_list.append(match_field)
def new_metadata_field(self, field_name, field_offset, field_length):
"""
if field_offset < 32:
log.error("wrong offset")
return None
"""
if len(self.metadata_list) != 0 and field_offset < (self.metadata_list[-1].offset + self.metadata_list[-1].length):
log.error("wrong offset")
return None
match_field = of.ofp_match20()
match_field.field_name = field_name
match_field.field_id = -1
match_field.offset = field_offset
match_field.length = field_length
log.info("Add Metadata [offset] " + str(field_offset) + " [length] " + str(field_length) + " [field_name] " + field_name)
self.metadata_list.append(match_field)
def _handle_ConnectionUp(self, event):
msg = pof.ofp_table_mod()
match = pof.ofp_match20(field_id=1, offset=0, length=48)
#match.field_id = 1
#match.offset = 0
#match.length = 48
msg.flow_table.match_field_list.append(match)
msg.flow_table.match_field_num = 1
msg.flow_table.table_size = 128
msg.flow_table.key_length = 48
msg.flow_table.table_name = 'FirstEntryTable'
print 'send TABLE_MOD message:\n', msg
event.connection.send(msg)
"""
def new_metadata_field(self, field_name, field_offset, field_length):
"""
if field_offset < 32:
log.error("wrong offset")
return None
"""
if len(self.metadata_list) != 0 and field_offset < (
self.metadata_list[-1].offset + self.metadata_list[-1].length):
log.error("wrong offset")
return None
match_field = of.ofp_match20()
match_field.field_name = field_name
match_field.field_id = -1
match_field.offset = field_offset
match_field.length = field_length
self.metadata_list.append(match_field)
def _handle_ConnectionUp(self, event):
msg = pof.ofp_table_mod()
match = pof.ofp_match20(field_id = 1, offset = 0, length = 48)
#match.field_id = 1
#match.offset = 0
#match.length = 48
msg.flow_table.match_field_list.append(match)
msg.flow_table.match_field_num = 1
msg.flow_table.table_size = 128
msg.flow_table.key_length = 48
msg.flow_table.table_name = 'FirstEntryTable'
print 'send TABLE_MOD message:\n', msg
event.connection.send(msg)
"""
def install_grouplabel_entry(dpid, group_label, output_port, new_path_port_list, new_output_port_list, pkt_offset):
table_id = core.PofManager.get_flow_table_id(dpid, 'GroupMatchTable')
grouplabel_match = core.PofManager.get_field('GroupLabel')[0]
grouplabel_match = pof.ofp_match20(field_id=-1, offset=52, length=12)
grouplabel_matchx = core.PofManager.new_matchx(grouplabel_match, group_label, 'FF'*(PORT_FIELD_LEN/8))
ins_list = []
md_offset = 64
md_offset_cur = md_offset
# for primary path
output_action_list = []
output_action_pri = core.PofManager.new_action_output(port_id_value_type=0, \
metadata_offset=0, \
metadata_length=0, \
packet_offset=0, \
port_id=output_port, \
port_id_field=None)
output_action_list.append(output_action_pri)
md_len = 0
#TODO: Delete
# print "new_path_port_list", new_path_port_list
# print 'new_outoput_port_list', new_output_port_list
for path_port, output_port in zip(new_path_port_list, new_output_port_list):
# print 'metadata offset b4:', md_offset
each_ins_list, md_offset = _assemble_sr_header_in_metadata_on_forknode(path_port, metadata_offset=md_offset)
ins_list = ins_list + each_ins_list
# print 'metadata offset after:', md_offset
md_len = md_offset - md_offset_cur
output_action = core.PofManager.new_action_output(port_id_value_type=0, \
metadata_offset=md_offset_cur, \
metadata_length=md_len, \
packet_offset=pkt_offset, \
port_id=output_port, \
port_id_field=None)
output_action_list.append(output_action)
md_offset_cur += md_len
# output_action_list.append(output_action_pri)
apply_action_ins = core.PofManager.new_ins_apply_actions(output_action_list)
ins_list.append(apply_action_ins)
core.PofManager.add_flow_entry(dpid, table_id, [grouplabel_matchx], ins_list,0, False)
def new_field(self, field_name, offset, length): # FIXME:??
field_id = self.field_id_no
match_field = of.ofp_match20()
match_field.field_name = field_name
match_field.field_id = field_id
match_field.offset = offset
match_field.length = length
self.field_database[field_id] = match_field
self.field_id_no += 1
log.info(
"Add Field [field_id] "
+ str(field_id)
+ " [offset] "
+ str(offset)
+ " [length] "
+ str(length)
+ " [field_name] "
+ field_name
)
return field_id
def _handle_ConnectionUp(self, event):
msg = pof.ofp_table_mod()
match = pof.ofp_match20()
match.field_id = 1
match.offset = 0
match.length = 48
msg.flow_table.match_field_list.append(match)
msg.flow_table.match_field_num = 1
msg.flow_table.table_size = 128
msg.flow_table.key_length = 48
msg.flow_table.table_name = 'FirstEntryTable'
print 'send TABLE_MOD message:\n', msg
event.connection.send(msg)
msg = pof.ofp_flow_mod()
msg.priority = 0
msg.table_id=0
matchx = pof.ofp_matchx()
matchx.field_id = 1
matchx.offset = 0
matchx.length = 48
matchx.value="010203040506"
matchx.mask="000000000000"
msg.match_list.append(matchx)
msg.match_field_num = 1
instruction = pof.ofp_instruction_goto_table()
instruction.next_table_id=1
#instruction.type = 6
#instruction.length = 16
msg.instruction_list.append(instruction)
msg.instruction_num = 1
print 'send FLOW_MOD message:\n', msg
event.connection.send(msg)
def _handle_ConnectionUp(self, event):
msg = pof.ofp_table_mod()
match = pof.ofp_match20()
match.field_id = 1
match.offset = 0
match.length = 48
msg.flow_table.match_field_list.append(match)
msg.flow_table.match_field_num = 1
msg.flow_table.table_size = 128
msg.flow_table.key_length = 48
msg.flow_table.table_name = 'FirstEntryTable'
print 'send TABLE_MOD message:\n', msg
event.connection.send(msg)
msg = pof.ofp_flow_mod()
msg.priority = 0
msg.table_id = 0
matchx = pof.ofp_matchx()
matchx.field_id = 1
matchx.offset = 0
matchx.length = 48
matchx.value = "010203040506"
matchx.mask = "000000000000"
msg.match_list.append(matchx)
msg.match_field_num = 1
instruction = pof.ofp_instruction_goto_table()
instruction.next_table_id = 1
#instruction.type = 6
#instruction.length = 16
msg.instruction_list.append(instruction)
msg.instruction_num = 1
print 'send FLOW_MOD message:\n', msg
event.connection.send(msg)
def __init__(self, req):
self.match_list = []
self.matchx_list = []
if req['type'] == 'path_setup_request':
field_id = 0
for each_field in req['matchList']:
match_field = of.ofp_match20(field_name=each_field['name'],
field_id=field_id,
offset=each_field['offset'],
length=each_field['length'])
self.match_list.append(match_field)
matchx_field = of.ofp_matchx(
field_name=match_field.field_name,
field_id=match_field.field_id,
offset=match_field.offset,
length=match_field.length,
value=ip2hex(each_field['value'])) # value is hex string
print matchx_field.value
self.matchx_list.append(matchx_field)
field_id += 1
else:
log.error('path setup req : type error')
def install_check_ttl_fork_entry(dpid):
'''
+-------------------------------------------+
| Table 3 |
+--------+----------------------------------+
|ttl+Fork| Instructions |
+--------+----------------------------------+
|00000001| Apply-Action: |
|1 | Del-Field (TTL + Port) |
| +----------------------------------+
| | Go-To-Table: 4 |
+--------+----------------------------------+
|00000001| Apply-Action: |
|0 | Del-Field (TTL+Port) |
| | |
| | Output(Port Buffer) |
+--------+----------------------------------+
|********| Apply-Action: |
|1 | Del-Field (Port) |
| +----------------------------------+
| | Go-To-Table: 4 |
+--------+----------------------------------+
|********| Apply-Action: |
|0 | Del-Field (Port) |
| | |
| | Output(Port Buffer) |
+--------+----------------------------------+
'''
table_id = core.PofManager.get_flow_table_id(dpid, 'CheckTTL_Fork')
match_ttl = core.PofManager.get_field('TTL')[0]
match_fork = core.PofManager.get_field('ForkFlag')[0]
# 1.
matchx_ttl1 = core.PofManager.new_matchx(match_ttl, '01', 'FF')
match_fork1 = core.PofManager.new_matchx(match_fork, '8', '8')
del_field_action = core.PofManager.new_action_delete_field(field_position=TTL_FIELD_OFFSET, \
length_value_type=0, \
length_value=TTL_FIELD_LEN + PORT_FIELD_LEN, \
)
match_dl_type = core.PofManager.get_field('DL_TYPE')[0]
dl_type_field = core.PofManager.new_matchx(match_dl_type, '0800', 'FFFF')
set_field_action = core.PofManager.new_action_set_field(dl_type_field)
ins_apply_action = core.PofManager.new_ins_apply_actions([del_field_action, set_field_action])
next_table_id = core.PofManager.get_flow_table_id(dpid, 'GroupMatchTable')
ins_go_to_table = core.PofManager.new_ins_goto_table(dpid, next_table_id)
core.PofManager.add_flow_entry(dpid, table_id, [matchx_ttl1, match_fork1], [ins_apply_action, ins_go_to_table],0, False)
# 2.
matchx_ttl1 = core.PofManager.new_matchx(match_ttl, '01', 'FF')
match_fork1 = core.PofManager.new_matchx(match_fork, '0', '8')
del_field_action = core.PofManager.new_action_delete_field(field_position=TTL_FIELD_OFFSET, \
length_value_type=0, \
length_value=TTL_FIELD_LEN + PORT_FIELD_LEN, \
)
match_dl_type = core.PofManager.get_field('DL_TYPE')[0]
dl_type_field = core.PofManager.new_matchx(match_dl_type, '0800', 'FFFF')
set_field_action = core.PofManager.new_action_set_field(dl_type_field)
metadata_port = pof.ofp_match20(field_id=-1, offset=32, length=32)
output_action = core.PofManager.new_action_output(port_id_value_type=1, \
metadata_offset=0, \
metadata_length=0, \
packet_offset=0, \
port_id=0, \
port_id_field=metadata_port)
ins_apply_action = core.PofManager.new_ins_apply_actions([del_field_action, set_field_action, output_action])
core.PofManager.add_flow_entry(dpid, table_id, [matchx_ttl1, match_fork1], [ins_apply_action], 0, False)
#3.
matchx_ttl1 = core.PofManager.new_matchx(match_ttl, '01', '00')
match_fork1 = core.PofManager.new_matchx(match_fork, '8', '8')
ins_decrease_ttl = core.PofManager.new_ins_calculate_field(pof.OFPCT_SUBTRACT, 0, \
match_ttl, 1)
del_field_action = core.PofManager.new_action_delete_field(field_position=PORT_FIELD_OFFSET, \
length_value_type=0, \
length_value=PORT_FIELD_LEN, \
)
ins_apply_action = core.PofManager.new_ins_apply_actions([del_field_action])
next_table_id = core.PofManager.get_flow_table_id(dpid, 'GroupMatchTable')
ins_go_to_table = core.PofManager.new_ins_goto_table(dpid, next_table_id)
core.PofManager.add_flow_entry(dpid, table_id, [matchx_ttl1, match_fork1], [ins_decrease_ttl, ins_apply_action, ins_go_to_table],0, False)
# 4.
matchx_ttl1 = core.PofManager.new_matchx(match_ttl, '01', '00')
match_fork1 = core.PofManager.new_matchx(match_fork, '0', '8')
ins_decrease_ttl = core.PofManager.new_ins_calculate_field(pof.OFPCT_SUBTRACT, 0, \
match_ttl, 1)
del_field_action = core.PofManager.new_action_delete_field(field_position=PORT_FIELD_OFFSET, \
length_value_type=0, \
length_value=PORT_FIELD_LEN, \
)
metadata_port = pof.ofp_match20(field_id=-1, offset=32, length=32)
output_action = core.PofManager.new_action_output(port_id_value_type=1, \
metadata_offset=0, \
metadata_length=0, \
packet_offset=0, \
port_id=0, \
port_id_field=metadata_port)
ins_apply_action = core.PofManager.new_ins_apply_actions([del_field_action, output_action])
core.PofManager.add_flow_entry(dpid, table_id, [matchx_ttl1, match_fork1], [ins_decrease_ttl, ins_apply_action], 0, False)
def _handle_ConnectionUp(self, event):
# add_flow_table(self, switch_id, table_name, table_type, table_size, match_field_list = [])
core.PofManager.add_flow_table(event.dpid, 'FirstEntryTable', pof.OF_MM_TABLE, 128, \
[core.PofManager.get_field('DL_TYPE')[0]])
core.PofManager.add_flow_table(event.dpid, 'WritePortToMetadataTable', pof.OF_LINEAR_TABLE, 1)
core.PofManager.add_flow_table(event.dpid, 'CheckTTL', pof.OF_MM_TABLE, 2, \
[core.PofManager.get_field('TTL')[0]])
core.PofManager.add_flow_table(event.dpid, 'OutputTable', pof.OF_LINEAR_TABLE, 1)
core.PofManager.add_flow_table(event.dpid, 'SRHeaderEncapTable', pof.OF_MM_TABLE, 3000, \
[core.PofManager.get_field('DIP')[0]])
core.PofManager.add_flow_table(event.dpid, 'ARPTargetIPTable', pof.OF_MM_TABLE, 128, \
[core.PofManager.get_field('TPA')[0]])
# check port for protection
core.PofManager.add_flow_table(event.dpid, 'CheckPortNumTable', pof.OF_MM_TABLE, 20, \
[pof.ofp_match20(field_id=-1, offset=56, length=8)])
time.sleep(1) # error if not sleep, maybe send flowmod too fast.
_install_srheader_encap_table(event.dpid)
time.sleep(1) # error if not sleep, maybe send flowmod too fast.
_install_type_match_entry(event.dpid)
if event.dpid != 3 :
_install_ttl_match_entry(event.dpid, match_value='01', match_mask='FF', prior=900)
_install_ttl_match_entry(event.dpid, match_value='01', match_mask='00')
_install_write_port_to_metadata_entry(event.dpid)
_install_output_entry(event.dpid)
else :
# _install_ttl_match_entry_protect(event.dpid, match_value='01', match_mask='00' )
_install_write_port_to_metadata_entry_protect(event.dpid)
# install the source_routing_rule to the s1
# if event.dpid == 1:
# matchx = core.PofManager.new_matchx(field=core.PofManager.get_field('DIP')[0],value='0a000002',mask='FFFFFFFF')
# encap_sr_header(1,output_port=2,matchx=matchx,port_list=[2,2,2,2])
# matchx = core.PofManager.new_matchx(field=core.PofManager.get_field('DIP')[0], value='0a000003',
# mask='FFFFFFFF')
# encap_sr_header(1, output_port=2, matchx=matchx, port_list=[2, 2, 2, 3])
# matchx = core.PofManager.new_matchx(field=core.PofManager.get_field('DIP')[0], value='0a000004',
# mask='FFFFFFFF')
# encap_sr_header(1, output_port=2, matchx=matchx, port_list=[2, 2, 2, 4])
# matchx = core.PofManager.new_matchx(field=core.PofManager.get_field('DIP')[0], value='0a000005',
# mask='FFFFFFFF')
# encap_sr_header(1, output_port=2, matchx=matchx, port_list=[2, 2, 2, 5])
# matchx = core.PofManager.new_matchx(field=core.PofManager.get_field('DIP')[0], value='0a000006',
# mask='FFFFFFFF')
# encap_sr_header(1, output_port=2, matchx=matchx, port_list=[2, 2, 4])
# matchx = core.PofManager.new_matchx(field=core.PofManager.get_field('DIP')[0], value='0a000007',
# mask='FFFFFFFF')
# encap_sr_header(1, output_port=2, matchx=matchx, port_list=[2, 2, 5])
# matchx = core.PofManager.new_matchx(field=core.PofManager.get_field('DIP')[0], value='0a000008',
# mask='FFFFFFFF')
# encap_sr_header(1, output_port=2, matchx=matchx, port_list=[2, 2, 6])
# matchx = core.PofManager.new_matchx(field=core.PofManager.get_field('DIP')[0], value='0a000009',
# mask='FFFFFFFF')
# encap_sr_header(1, output_port=2, matchx=matchx, port_list=[2, 2, 3, 3])
# matchx = core.PofManager.new_matchx(field=core.PofManager.get_field('DIP')[0], value='0a00000a',
# mask='FFFFFFFF')
# encap_sr_header(1, output_port=2, matchx=matchx, port_list=[2, 2, 3, 4])
# matchx = core.PofManager.new_matchx(field=core.PofManager.get_field('DIP')[0], value='0a00000b',
# mask='FFFFFFFF')
# encap_sr_header(1, output_port=2, matchx=matchx, port_list=[2, 2, 3, 5])
# if event.dpid == 5:
# matchx = core.PofManager.new_matchx(field=core.PofManager.get_field('DIP')[0],value='0a000001',mask='FFFFFFFF')
# encap_sr_header(5, output_port=1, matchx=matchx, port_list=[1,1,1,2])
backup_port_list = [2, 1]
if event.dpid == 3:
install_match_port_entry(event.dpid, "02", backup_port_list)
_group_mod(event.dpid, 0x2, 0x3, 2)