Пример #1
0
    def trigger(self):

        print "Starting experiment..."

        for nc in self.network_configurations:
            print "network_configuration:", nc

            self.data["initial_time"][nc.nc_topo_str][nc.topo_params["num_hosts_per_switch"]] = []
            self.data["incremental_time"][nc.nc_topo_str][nc.topo_params["num_hosts_per_switch"]] = []
            self.data["validation_time"][nc.nc_topo_str][nc.topo_params["num_hosts_per_switch"]] = []

            for i in xrange(self.num_iterations):
                print "iteration:", i + 1

                fv = FlowValidator(nc.ng)
                with Timer(verbose=True) as t:
                    fv.init_network_port_graph()

                self.data["initial_time"][nc.nc_topo_str][nc.topo_params["num_hosts_per_switch"]].append(t.secs)
                self.dump_data()

                incr_time = self.perform_incremental_times_experiment(fv, self.link_fraction_to_sample)
                self.data["incremental_time"][nc.nc_topo_str][nc.topo_params["num_hosts_per_switch"]].append(incr_time)

                self.dump_data()
    def trigger(self):

        for nc in self.nc_list:

            with Timer(verbose=True) as t:
                fv = FlowValidator(nc.ng)
                fv.init_network_port_graph()

            policy_statements = construct_security_policy_statements(nc)
            policy_len_str = "# Policy Statements:" + str(
                len(policy_statements))

            print "Total statements:", len(policy_statements)

            self.data["initialization_time"][policy_len_str][
                nc.topo_params["nHostsPerSwitch"]] = []
            self.data["validation_time"][policy_len_str][
                nc.topo_params["nHostsPerSwitch"]] = []

            self.data["initialization_time"][policy_len_str][
                nc.topo_params["nHostsPerSwitch"]].append(t.secs)
            self.dump_data()

            for i in range(self.num_iterations):
                with Timer(verbose=True) as t:
                    violations = fv.validate_policy(policy_statements)

                self.data["validation_time"][policy_len_str][
                    nc.topo_params["nHostsPerSwitch"]].append(t.secs)
                self.dump_data()
                print "Total violations:", len(violations)
Пример #3
0
    def setUpClass(cls):
        ip_str = "172.17.0.2"
        port_str = "8181"
        num_switches_per_grid = 3
        num_grids = 1
        num_hosts_per_switch = 3
        cls.nc_microgrid = NetworkConfiguration(
            "onos",
            ip_str,
            int(port_str),
            "http://" + ip_str + ":" + port_str + "/onos/v1/",
            "karaf",
            "karaf",
            "microgrid_topo", {
                "num_switches": 1 + 1 * num_switches_per_grid,
                "nGrids": num_grids,
                "nSwitchesPerGrid": num_switches_per_grid,
                "nHostsPerSwitch": num_hosts_per_switch
            },
            conf_root="configurations/",
            synthesis_name=None,
            synthesis_params=None)

        cls.ng_microgrid = cls.nc_microgrid.setup_network_graph(
            mininet_setup_gap=1, synthesis_setup_gap=1)
        cls.fv = FlowValidator(cls.ng_microgrid)
        cls.fv.init_network_port_graph()
Пример #4
0
    def trigger(self):

        ng = self.nc.setup_network_graph(mininet_setup_gap=1, synthesis_setup_gap=1)

        # fv = FlowValidator(ng)
        # specific_traffic = Traffic(init_wildcard=True)
        # specific_traffic.set_field("ethernet_type", 0x0800)

        fv = FlowValidator(ng, use_sdnsim=True, nc=self.nc)
        specific_traffic = dict()
        specific_traffic["eth_type"] = 0x0800

        src_zone = [fv.network_graph.get_node_object(h_id).switch_port for h_id in fv.network_graph.host_ids]
        dst_zone = [fv.network_graph.get_node_object(h_id).switch_port for h_id in fv.network_graph.host_ids]
        lmbdas = list(itertools.permutations(ng.L, 2))

        constraints = [PolicyConstraint(CONNECTIVITY_CONSTRAINT, None)]

        # l = tuple(ng.get_switch_link_data(sw=ng.get_node_object("s3")))
        # l = l[:-1]
        # print l
        #
        # src_zone = [fv.network_graph.get_node_object(h_id).switch_port for h_id in ['h41']]
        # dst_zone = [fv.network_graph.get_node_object(h_id).switch_port for h_id in ['h11']]
        lmbdas = [(ng.get_link_data('s3', 's1'),
                   ng.get_link_data('s3', 's4'),
                   ng.get_link_data('s3', 's2')
                   )]

        s = PolicyStatement(self.nc.ng,
                            src_zone,
                            dst_zone,
                            specific_traffic,
                            constraints,
                            lmbdas=lmbdas)

        violations = fv.validate_policy([s])

        for v in violations:
            print v.src_port, v.dst_port, v.constraint

        print "Total violations:", len(violations)
    def trigger(self):

        for nc in self.network_configurations:

            print "Configuration:", nc
            sL = str(len(list(nc.ng.get_switch_link_data())))

            total_host_pairs = (nc.topo_params["num_switches"] *
                                nc.topo_params["num_hosts_per_switch"] *
                                nc.topo_params["num_switches"] *
                                nc.topo_params["num_hosts_per_switch"])

            self.data["initial_time"]["|L|: " + sL][str(total_host_pairs)] = []

            with Timer(verbose=True) as t:
                fv = FlowValidator(nc.ng)
                fv.init_network_port_graph()
            self.data["initial_time"]["|L|: " +
                                      sL][str(total_host_pairs)].append(t.secs)

            print "Initialized analysis."

            for k in self.k_values:
                policy_statements = self.construct_policy_statements(nc, k)
                self.data["validation_time"]["k: " + str(k) + ", |L|: " +
                                             sL][str(total_host_pairs)] = []

                for i in range(self.num_iterations):

                    with Timer(verbose=True) as t:
                        violations = fv.validate_policy(policy_statements)
                    self.data["validation_time"][
                        "k: " + str(k) + ", |L|: " +
                        sL][str(total_host_pairs)].append(t.secs)

                    print "Total violations:", len(violations)
                    print "Does the network configuration satisfy the given policy:", (
                        len(violations) == 0)

                    self.dump_data()
Пример #6
0
    def trigger(self):

        for nc in self.network_configurations:

            print "Configuration:", nc

            fv = FlowValidator(nc.ng)
            fv.init_network_port_graph()

            print "Initialized analysis."

            for k in self.k_values:

                policy_statements = self.construct_policy_statements(nc, k)

                sL = str(len(list(nc.ng.get_switch_link_data())))

                for optimization_to_use in self.optimizations_to_use:

                    self.data["validation_time"]["k: " + str(k) + ", |L|: " +
                                                 sL][optimization_to_use] = []

                    for i in range(self.num_iterations):

                        with Timer(verbose=True) as t:
                            violations = fv.validate_policy(
                                policy_statements, optimization_to_use)

                        print "Total violations:", len(violations)

                        print "Does the network configuration satisfy the given policy:", (
                            len(violations) == 0)

                        self.data["validation_time"][
                            "k: " + str(k) + ", |L|: " +
                            sL][optimization_to_use].append(t.secs)

                        self.dump_data()
Пример #7
0
    def trigger(self):

        print "Starting experiment..."

        for nc in self.network_configurations:
            print "network_configuration:", nc

            policy_statements = self.construct_policy_statements(nc)
            nhps = None

            if nc.topo_name == "microgrid_topo":
                nhps = nc.topo_params["nHostsPerSwitch"]
            else:
                nhps = nc.topo_params["num_hosts_per_switch"]

            self.data["initial_time"][nc.nc_topo_str][nhps] = []
            self.data["active_path_computation_time"][
                nc.nc_topo_str][nhps] = []
            self.data["path_length"][nc.nc_topo_str][nhps] = []

            for i in xrange(self.num_iterations):
                print "iteration:", i + 1

                fv = FlowValidator(nc.ng)
                with Timer(verbose=True) as t:
                    fv.init_network_port_graph()

                self.data["initial_time"][nc.nc_topo_str][nhps].append(t.secs)
                self.dump_data()

                with Timer(verbose=True) as t:
                    violations = fv.validate_policy(
                        policy_statements,
                        active_path_computation_times=self.
                        data["active_path_computation_time"][
                            nc.nc_topo_str][nhps],
                        path_lengths=self.data["path_length"][
                            nc.nc_topo_str][nhps])