def __init__(self, pkt, port_id, state_vars_dict,
symbolic_state_vars_dict):
self.mapping = dict()
if pkt is not None:
self.mapping[Input('ethSrc')] = Mac(pkt.ethSrc)
self.mapping[Input('ethDst')] = Mac(pkt.ethDst)
self.mapping[Input('ethType')] = EthType(pkt.ethType)
self.mapping[Input('port_id')] = Port(port_id)
if pkt.vlan is not None:
self.mapping[Input('vlan')] = Vlan(pkt.vlan)
self.mapping[Input('vlanPcp')] = PriorityCode(pkt.vlanPcp)
if pkt.ip4Src is not None:
self.mapping[Input('ip4Src')] = IPAddr(pkt.ip4Src)
self.mapping[Input('ip4Dst')] = IPAddr(pkt.ip4Dst)
self.mapping[Input('ipProto')] = IPProto(pkt.ipProto)
if pkt.tcpSrcPort is not None:
self.mapping[Input('tcpSrcPort')] = TCPPort(pkt.tcpSrcPort)
self.mapping[Input('tcpSrcPort')] = TCPPort(pkt.tcpDstPort)
self.state_vars_dict = state_vars_dict
for _, sv in state_vars_dict.items():
self.mapping[Input(sv.name)] = sv.vartype(sv.value)
self.symbolic_state_vars_dict = symbolic_state_vars_dict
from macros.expression import Implies, Match, ActionList, EQ, GT, NEQ, Action
from macros.types import IPAddr, Port
from macros.variables import Input, Output, FreeVariable
from macros.macro import Invariant, Precedence, Reaction
invariants = list()
precedences = list()
reactions = list()
react1 = Reaction(
Match([EQ(Input("ip4Src"), IPAddr("10.0.0.3"))]),
Implies(Match([
EQ(Input("ip4Src"), IPAddr("10.0.0.1")),
]), ActionList([Action([EQ(Output("port_id_out"), Port(2))])])),
Match([EQ(Input("ip4Src"), IPAddr("10.0.0.4"))]))
react2 = Reaction(
Match([EQ(Input("ip4Src"), IPAddr("10.0.0.3"))]),
Implies(Match([
EQ(Input("ip4Src"), IPAddr("10.0.0.2")),
]), ActionList([Action([EQ(Output("port_id_out"), Port(1))])])),
Match([EQ(Input("ip4Src"), IPAddr("10.0.0.4"))]))
reactions.append(react1)
reactions.append(react2)
#reactions.append(react)
)
]
)
]
)
)
)
"""
inv2 = Invariant(
Implies(
Match([
EQ(Input("ip4Src"), IPAddr("127.0.0.1")),
]),
ActionList([Action([EQ(IPAddr("127.0.0.1"), IPAddr("127.0.0.1"))])])))
inv3 = Invariant(ActionList([Action([GT(Output("port_id_out"), Port(127))])]))
invariants.append(inv)
invariants.append(inv2)
invariants.append(inv3)
react = Reaction(
Match([
EQ(Input("ethSrc"), FreeVariable("X", "Mac")),
EQ(Input("port_id"), FreeVariable("P", "Port"))
]),
Implies(
Match([EQ(Input("ethDst"), FreeVariable("X", "Mac"))]),
ActionList([
Action([
EQ(Output("port_id_out"), FreeVariable("P", "Port")),
GT(FreeVariable("P", "Port"), Port(3))
invariants = list()
precedences = list()
reactions = list()
symbolic_state_var_list = list()
sv = StateVar("block", Bool, False)
state_var_list.append(sv)
ssv = SymbolicStateVar("learnt", IPAddr, Bool, False)
symbolic_state_var_list.append(ssv)
tt = Invariant(
Implies(
Match([
EQ(Input("ip4Dst"), FreeVariable("X", "IPAddr")),
EQ(Input("learnt", FreeVariable("X", "IPAddr")), Bool(False))
]), ActionList([Action([EQ(Output("port_id_out"), Port(100))])])))
tt2 = Invariant(
Implies(
Match([
EQ(Input("ip4Src"), FreeVariable("X", "IPAddr")),
]),
ActionList([
Action([
EQ(Output("learnt_out", FreeVariable("X", "IPAddr")),
Bool(True))
])
])))
react1 = Reaction(
Match([
[
EQ(
Input("ip4Src"),
IPAddr("10.0.0.1")
),
]
),
ActionList(
[
Action(
[
EQ(
Output("port_id_out"),
Port(2)
)
]
)
]
)
),
Match(
[
EQ(
Input("ip4Src"), IPAddr("10.0.0.255")
)
]
)
)
[
EQ(
Input("ip4Src"),
IPAddr("10.0.0.1")
),
]
),
ActionList(
[
Action(
[
EQ(
Output("port_id_out"),
Port(2)
)
]
)
]
)
)
)
inv2 = Invariant(
Implies(
Match(
[
EQ(
Input("ip4Src"),