Example #1
0
 def update_stat(self, node1, rm0, rm1, node0):
     # ---------------------------------
     # Information about the devices
     dprint(32 * "-" + " SCHC device------------------------")
     dprint("SCHC device L3={} L2={} RM={}".format(node0.layer3.L3addr,
                                                   node0.id, rm0.__dict__))
     dprint(32 * "-" + " SCHC gw ---------------------------")
     dprint("SCHC gw     L3={} L2={} RM={}".format(node1.layer3.L3addr,
                                                   node1.id, rm1.__dict__))
     dprint(32 * "-" + " Rules -----------------------------")
     dprint("rules -> {}, {}".format(rm0.__dict__, rm1.__dict__))
     dprint("")
     # ----------------------------------
     # Statistic configuration
     Statsct.setSourceAddress(node0.id)
     Statsct.setDestinationAddress(node1.id)
        #device rule
        for rule1 in rm0.__dict__:
            print(rm0.__dict__[rule1])
            for info in rm0.__dict__[rule1]:
                print("info -> {}".format(info))
                Statsct.set_device_rule(info)
        #input('')
        #gw rule
        for rule1 in rm1.__dict__:
            print(rm1.__dict__[rule1])
            for info in rm1.__dict__[rule1]:
                print("info -> {}".format(info))
                Statsct.set_gw_rule(info)

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

        if test_file:
            file = open(fileToSend, 'r')
            print('file: ', file)
            payload = file.read().encode()
            print("Payload")
            print("{}".format(payload))
            #payload = ipv_header.replace(" ","/x").encode() + payload
            print("Payload size:", len(payload))
            print("Payload: {}".format(b2hex(payload)))
            print("")
        else:
            payload = bytearray(range(1, 1 + send_data))
Example #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