Exemplo n.º 1
0
 def create_simul(self):
     if self.simul_config is None:
         self.set_config(DEFAULT_SIMUL_CONFIG.copy())
     self.init_stat()
     Statsct.get_results()
     sim = net_sim_core.Simul(self.simul_config)
     self.sim = sim
            #break

        print("0packet_size: {}, temp_packet_size:{}, send_data:{}".format(
            packet_size, temp_packet_size, send_data))

        print("packet_size - > {}".format(send_data))
        #input('')
        #for i in range(repetitions):
        print("packet_size - > {}".format(send_data))
        #---------------------------------------------------------------------------
        """ Init stastct module """
        Statsct.initialize()
        Statsct.log("Statsct test")
        Statsct.set_packet_size(send_data)
        #---------------------------------------------------------------------------
        Statsct.get_results()
        sim = simul.Simul(simul_config)
        devaddr = b"\xaa\xbb\xcc\xdd"
        node0 = make_node(sim, rm0, devaddr)  # SCHC device
        node1 = make_node(sim, rm1, devaddr)  # SCHC gw
        sim.add_sym_link(node0, node1)
        node0.layer2.set_mtu(l2_mtu)
        node1.layer2.set_mtu(l2_mtu)

        print("SCHC device L3={} L2={} RM={}".format(node0.layer3.L3addr,
                                                     node0.id, rm0.__dict__))
        print("SCHC gw     L3={} L2={} RM={}".format(node1.layer3.L3addr,
                                                     node1.id, rm1.__dict__))
        print("rules -> {}, {}".format(rm0.__dict__, rm1.__dict__))

        #device rule
Exemplo n.º 3
0
def frag_generic(rules_filename, packet_loss):
    # --------------------------------------------------
    # General configuration

    l2_mtu = 72  # bits
    data_size = 14  # bytes
    SF = 12

    simul_config = {
        "log": True,
    }

    # ---------------------------------------------------------------------------
    # Configuration packets loss

    if packet_loss:
        # Configuration with packet loss in noAck and ack-on-error
        loss_rate = 15  # in %
        collision_lambda = 0.1
        background_frag_size = 54
        loss_config = {"mode": "rate", "cycle": loss_rate}
        # loss_config = {"mode":"collision", "G":collision_lambda, "background_frag_size":background_frag_size}
    else:
        # Configuration without packet loss in noAck and ack-on-error
        loss_rate = None
        loss_config = None

    # ---------------------------------------------------------------------------
    # Init packet loss
    if loss_config is not None:
        simul_config["loss"] = loss_config

    # ---------------------------------------------------------------------------

    def make_node(sim, rule_manager, devaddr=None, extra_config={}, role=None):
        extra_config["unique-peer"] = True
        node = net_sim_core.SimulSCHCNode(sim, extra_config, role)
        node.protocol.set_rulemanager(rule_manager)
        if devaddr is None:
            devaddr = node.id
        node.layer2.set_devaddr(devaddr)
        return node

    # ---------------------------------------------------------------------------
    # Statistic module
    Statsct.initialize()
    Statsct.log("Statsct test")
    Statsct.set_packet_size(data_size)
    Statsct.set_SF(SF)
    # ---------------------------------------------------------------------------
    devaddr1 = b"\xaa\xbb\xcc\xdd"
    devaddr2 = b"\xaa\xbb\xcc\xee"
    dprint("---------Rules Device -----------")
    rm0 = RuleManager()
    # rm0.add_context(rule_context, compress_rule1, frag_rule3, frag_rule4)
    rm0.Add(device=devaddr1, file=rules_filename)
    rm0.Print()

    dprint("---------Rules gw -----------")
    rm1 = RuleManager()
    # rm1.add_context(rule_context, compress_rule1, frag_rule4, frag_rule3)
    rm1.Add(device=devaddr2, file=rules_filename)
    rm1.Print()

    # ---------------------------------------------------------------------------
    # Configuration of the simulation
    Statsct.get_results()
    sim = net_sim_core.Simul(simul_config)

    node0 = make_node(sim, rm0, devaddr1, role="device")  # SCHC device
    node1 = make_node(sim, rm1, devaddr2, role="core-server")  # SCHC gw
    sim.add_sym_link(node0, node1)
    node0.layer2.set_mtu(l2_mtu)
    node1.layer2.set_mtu(l2_mtu)

    # ---------------------------------------------------------------------------
    # Information about the devices

    dprint(
        "-------------------------------- SCHC device------------------------")
    dprint("SCHC device L3={} L2={} RM={}".format(node0.layer3.L3addr,
                                                  node0.id, rm0.__dict__))
    dprint(
        "-------------------------------- SCHC gw ---------------------------")
    dprint("SCHC gw     L3={} L2={} RM={}".format(node1.layer3.L3addr,
                                                  node1.id, rm1.__dict__))
    dprint(
        "-------------------------------- Rules -----------------------------")
    dprint("rules -> {}, {}".format(rm0.__dict__, rm1.__dict__))
    dprint("")

    # ---------------------------------------------------------------------------
    # Statistic configuration

    Statsct.setSourceAddress(node0.id)
    Statsct.setDestinationAddress(node1.id)

    # --------------------------------------------------
    # Message

    coap = bytearray(b"`\x12\x34\x56\x00\x1e\x11\x1e\xfe\x80\x00" +
                     b"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" +
                     b"\x00\x00\x01\xfe\x80\x00\x00\x00\x00\x00" +
                     b"\x00\x00\x00\x00\x00\x00\x00\x00\x02\x16" +
                     b"2\x163\x00\x1e\x00\x00A\x02\x00\x01\n\xb3" +
                     b"foo\x03bar\x06ABCD==Fk=eth0\xff\x84\x01" +
                     b"\x82  &Ehello")

    # ---------------------------------------------------------------------------
    # Simnulation

    node0.protocol.layer3.send_later(1, None, node1.layer3.L3addr, coap)

    old_stdout = sys.stdout
    set_debug_output(True)
    sys.stdout = io.StringIO()
    sim.run()
    simulation_output = sys.stdout.getvalue()
    sys.stdout = old_stdout
    set_debug_output(False)

    print(simulation_output)
    return simulation_output