def add_internet(ntf,ttf,port_map,cs,campus_ip_list):
'''
Campus IP list is a list of (ip address,subnet mask) for each IP subnet on campus
'''
s = TF(cs.HS_FORMAT()["length"]*2)
s.set_prefix_id("internet")
for entry in campus_ip_list:
match = byte_array_get_all_x(cs.HS_FORMAT()["length"]*2)
cs.set_field(match,'ip_dst',dotted_ip_to_int(entry[0]),32-entry[1])
rule = TF.create_standard_rule([0], match, [0], None, None, "", [])
s.add_fwd_rule(rule)
ntf.append_tf(s)
bbra_internet_port1 = port_map["bbra_rtr"]["te1/1"]
bbra_internet_port2 = port_map["bbra_rtr"]["te7/4"]
bbrb_internet_port1 = port_map["bbrb_rtr"]["te1/4"]
bbrb_internet_port2 = port_map["bbrb_rtr"]["te7/3"]
rule = TF.create_standard_rule([bbra_internet_port1], None,[0], None, None, "", [])
ttf.add_link_rule(rule)
rule = TF.create_standard_rule([bbra_internet_port2], None,[0], None, None, "", [])
ttf.add_link_rule(rule)
rule = TF.create_standard_rule([bbrb_internet_port1], None,[0], None, None, "", [])
ttf.add_link_rule(rule)
rule = TF.create_standard_rule([bbrb_internet_port2], None,[0], None, None, "", [])
ttf.add_link_rule(rule)
rule = TF.create_standard_rule([0], None,[bbra_internet_port1], None, None, "", [])
ttf.add_link_rule(rule)
rule = TF.create_standard_rule([0], None,[bbra_internet_port2], None, None, "", [])
ttf.add_link_rule(rule)
rule = TF.create_standard_rule([0], None,[bbrb_internet_port1], None, None, "", [])
ttf.add_link_rule(rule)
rule = TF.create_standard_rule([0], None,[bbrb_internet_port2], None, None, "", [])
ttf.add_link_rule(rule)
def __add_action_to_rule(self, action, rule, rtr):
#print "Action:", action, " Rule: ",rule
mask = wildcard_create_bit_repeat(self.format["length"], 2)
rewrite = wildcard_create_bit_repeat(self.format["length"], 1)
out_ports = []
rw = False
push = False
pop = False
for operation in action.keys():
if operation == "set_nw_src" or operation == "set_nw_dst":
rw = True
set_header_field(self.format, mask, operation[4:], 0, 0)
set_header_field(self.format, rewrite, operation[4:],
dotted_ip_to_int(action[operation]), 0)
elif operation == "set_dl_src" or operation == "set_dl_dst":
rw = True
set_header_field(self.format, mask, operation[4:], 0, 0)
set_header_field(self.format, rewrite, operation[4:],
mac_to_int(action[operation]), 0)
elif operation == "output":
'''
if action[operation] in self.port_members:
out_ports = self.__encode_port_list(self.port_members[action[operation]],rtr)
else:
'''
if action[operation].startswith("mport"):
out_ports = self.__expand_mport(rtr, action[operation])
else:
out_ports = [action[operation]]
out_ports = self.__compress_port_list(out_ports)
out_ports = self.__encode_port_list(out_ports, rtr)
elif operation == "push_ip":
push = True
rule["encap_pos"] = self.format["nw_src_pos"]
rule["encap_len"] = 8
elif operation == "pop_ip":
pop = True
rule["decap_pos"] = self.format["nw_src_pos"]
rule["decap_len"] = 8
rule["out_ports"] = out_ports
if push:
rule["action"] = "encap"
rule["mask"] = mask
rule["rewrite"] = rewrite
elif pop:
rule["action"] = "decap"
rule["mask"] = None
rule["rewrite"] = None
elif rw:
rule["action"] = "rw"
rule["mask"] = mask
rule["rewrite"] = rewrite
else:
rule["action"] = "fwd"
rule["mask"] = None
rule["rewrite"] = None
def __add_action_to_rule(self,action,rule,rtr):
#print "Action:", action, " Rule: ",rule
mask = wildcard_create_bit_repeat(self.format["length"],2)
rewrite = wildcard_create_bit_repeat(self.format["length"],1)
out_ports = []
rw = False
push = False
pop = False
for operation in action.keys():
if operation == "set_nw_src" or operation == "set_nw_dst":
rw = True
set_header_field(self.format, mask, operation[4:], 0, 0)
set_header_field(self.format, rewrite, operation[4:], dotted_ip_to_int(action[operation]), 0)
elif operation == "set_dl_src" or operation == "set_dl_dst":
rw = True
set_header_field(self.format, mask, operation[4:], 0, 0)
set_header_field(self.format, rewrite, operation[4:], mac_to_int(action[operation]), 0)
elif operation == "output":
'''
if action[operation] in self.port_members:
out_ports = self.__encode_port_list(self.port_members[action[operation]],rtr)
else:
'''
if action[operation].startswith("mport"):
out_ports = self.__expand_mport(rtr, action[operation])
else:
out_ports = [action[operation]]
out_ports = self.__compress_port_list(out_ports)
out_ports = self.__encode_port_list(out_ports, rtr)
elif operation == "push_ip":
push = True
rule["encap_pos"] = self.format["nw_src_pos"]
rule["encap_len"] = 8
elif operation == "pop_ip":
pop = True
rule["decap_pos"] = self.format["nw_src_pos"]
rule["decap_len"] = 8
rule["out_ports"] = out_ports
if push:
rule["action"] = "encap"
rule["mask"] = mask
rule["rewrite"] = rewrite
elif pop:
rule["action"] = "decap"
rule["mask"] = None
rule["rewrite"] = None
elif rw:
rule["action"] = "rw"
rule["mask"] = mask
rule["rewrite"] = rewrite
else:
rule["action"] = "fwd"
rule["mask"] = None
rule["rewrite"] = None
def add_internet(ntf, ttf, port_map, cs, campus_ip_list):
'''
Campus IP list is a list of (ip address,subnet mask) for each IP subnet on campus
'''
s = TF(cs.HS_FORMAT()["length"] * 2)
s.set_prefix_id("internet")
for entry in campus_ip_list:
match = byte_array_get_all_x(cs.HS_FORMAT()["length"] * 2)
cs.set_field(match, 'ip_dst', dotted_ip_to_int(entry[0]),
32 - entry[1])
rule = TF.create_standard_rule([0], match, [0], None, None, "", [])
s.add_fwd_rule(rule)
ntf.append_tf(s)
bbra_internet_port1 = port_map["bbra_rtr"]["te1/1"]
bbra_internet_port2 = port_map["bbra_rtr"]["te7/4"]
bbrb_internet_port1 = port_map["bbrb_rtr"]["te1/4"]
bbrb_internet_port2 = port_map["bbrb_rtr"]["te7/3"]
rule = TF.create_standard_rule([bbra_internet_port1], None, [0], None,
None, "", [])
ttf.add_link_rule(rule)
rule = TF.create_standard_rule([bbra_internet_port2], None, [0], None,
None, "", [])
ttf.add_link_rule(rule)
rule = TF.create_standard_rule([bbrb_internet_port1], None, [0], None,
None, "", [])
ttf.add_link_rule(rule)
rule = TF.create_standard_rule([bbrb_internet_port2], None, [0], None,
None, "", [])
ttf.add_link_rule(rule)
rule = TF.create_standard_rule([0], None, [bbra_internet_port1], None,
None, "", [])
ttf.add_link_rule(rule)
rule = TF.create_standard_rule([0], None, [bbra_internet_port2], None,
None, "", [])
ttf.add_link_rule(rule)
rule = TF.create_standard_rule([0], None, [bbrb_internet_port1], None,
None, "", [])
ttf.add_link_rule(rule)
rule = TF.create_standard_rule([0], None, [bbrb_internet_port2], None,
None, "", [])
ttf.add_link_rule(rule)
