Esempio n. 1
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def run(protocol, csvfile, step_duration, step_distance):
    shared.seed_random(42)

    node_count = 50
    state = topology.create_nodes(node_count)
    mobility.randomize_positions(state, xy_range=1000)
    mobility.connect_range(state, max_links=150)

    # create network and start routing software
    network.apply(state, link_command=get_tc_command, remotes=remotes)
    software.start(protocol)

    test_beg_ms = shared.millis()
    for n in range(0, 30):
        print(f'{protocol}: iteration {n}')

        #with open(f'graph-{step_duration}-{step_distance}-{n:03d}.json', 'w+') as file:
        #	json.dump(state, file, indent='  ')

        # connect nodes range
        wait_beg_ms = shared.millis()

        # update network representation
        mobility.move_random(state, distance=step_distance)
        mobility.connect_range(state, max_links=150)

        # update network
        tmp_ms = shared.millis()
        network.apply(state=state,
                      link_command=get_tc_command,
                      remotes=remotes)
        #software.apply(protocol=protocol, state=state) # we do not change the node count
        network_ms = shared.millis() - tmp_ms

        # Wait until wait seconds are over, else error
        shared.wait(wait_beg_ms, step_duration)

        paths = ping.get_random_paths(state, 2 * 400)
        paths = ping.filter_paths(state, paths, min_hops=2, path_count=200)
        ping_result = ping.ping(paths=paths,
                                duration_ms=2000,
                                verbosity='verbose',
                                remotes=remotes)

        # add data to csv file
        extra = (['node_count',
                  'time_ms'], [node_count,
                               shared.millis() - test_beg_ms])
        shared.csv_update(csvfile, '\t', extra, ping_result.getData())

    software.clear(remotes)
    network.clear(remotes)
Esempio n. 2
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def run(topology, path, state):
    (node_count, link_count) = shared.json_count(state)

    with open(f'{prefix}scalability1-{protocol}-{topology}.csv',
              'a') as csvfile:
        print(f'run {protocol} on {path}')

        # Start routing software
        software_start_ms = shared.millis()
        software.start(protocol, remotes)
        software_stop_ms = shared.millis()

        # Let the nodes start up and discover themselves.
        shared.sleep(60)

        traffic_start_ms = shared.millis()
        traffic_begin = traffic.traffic(remotes)

        # Send <node_count> pings.
        # For a good routing algorithm, the traffic per node should be constant.
        paths = ping.get_random_paths(state, 2 * node_count)
        paths = ping.filter_paths(state,
                                  paths,
                                  min_hops=2,
                                  path_count=node_count)
        ping_result = ping.ping(remotes=remotes,
                                paths=paths,
                                duration_ms=300000,
                                verbosity='verbose')

        traffic_stop_ms = shared.millis()
        traffic_end = traffic.traffic(remotes)

        sysload_result = shared.sysload(remotes)

        # Stop routing software
        software.clear(remotes)

        # Add data to csv file
        extra = ([
            'node_count', 'software_startup_ms', 'traffic_measurement_ms'
        ], [
            node_count, (software_stop_ms - software_start_ms),
            (traffic_stop_ms - traffic_start_ms)
        ])
        shared.csv_update(csvfile, '\t', extra,
                          (traffic_end - traffic_begin).getData(),
                          ping_result.getData(), sysload_result)

        return (100.0 * ping_result.received / ping_result.send)
Esempio n. 3
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def run(protocol, csvfile):
	shared.seed_random(23)

	node_count = 50
	state = topology.create_nodes(node_count)
	mobility.randomize_positions(state, xy_range=1000)
	mobility.connect_range(state, max_links=150)

	# create network and start routing software
	network.apply(state=state, link_command=get_tc_command, remotes=remotes)
	software.start(protocol)
	shared.sleep(30)

	for step_distance in [50, 100, 150, 200, 250, 300, 350, 400]:
		print(f'{protocol}: step_distance {step_distance}')

		traffic_beg = traffic.traffic(remotes)
		for n in range(0, 6):
			#with open(f'graph-{step_distance}-{n}.json', 'w+') as file:
			#	json.dump(state, file, indent='  ')

			# connect nodes range
			wait_beg_ms = shared.millis()

			# update network representation
			mobility.move_random(state, distance=step_distance)
			mobility.connect_range(state, max_links=150)

			# update network
			network.apply(state=state, link_command=get_tc_command, remotes=remotes)

			# Wait until wait seconds are over, else error
			shared.wait(wait_beg_ms, 15)

			paths = ping.get_random_paths(state, 2 * 400)
			paths = ping.filter_paths(state, paths, min_hops=2, path_count=200)
			ping_result = ping.ping(remotes=remotes, paths=paths, duration_ms=2000, verbosity='verbose')

			packets_arrived_pc = 100 * (ping_result.received / ping_result.send)
			traffic_end = traffic.traffic(remotes)

			# add data to csv file
			extra = (['node_count', 'time_ms', 'step_distance_m', 'n', 'packets_arrived_pc'], [node_count, shared.millis() - wait_beg_ms, step_distance, n, packets_arrived_pc])
			shared.csv_update(csvfile, '\t', extra, (traffic_end - traffic_beg).getData(), ping_result.getData())

			traffic_beg = traffic_end

	software.clear(remotes)
	network.clear(remotes)
Esempio n. 4
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def run(protocol, files, csvfile):
    shared.seed_random(1234)

    for path in sorted(glob.glob(files)):
        state = shared.load_json(path)
        (node_count, link_count) = shared.json_count(state)

        print(f'run {protocol} on {path}')

        network.apply(state=state,
                      link_command=get_tc_command,
                      remotes=remotes)

        shared.sleep(10)

        for offset in range(0, 60, 2):
            tmp_ms = shared.millis()
            traffic_beg = traffic.traffic(remotes)
            traffic_ms = shared.millis() - tmp_ms

            tmp_ms = shared.millis()
            software.start(protocol)
            software_ms = shared.millis() - tmp_ms

            # Wait until wait seconds are over, else error
            shared.sleep(offset)

            paths = ping.get_random_paths(state, 2 * 200)
            paths = ping.filter_paths(state, paths, min_hops=2, path_count=200)
            ping_result = ping.ping(paths=paths,
                                    duration_ms=2000,
                                    verbosity='verbose',
                                    remotes=remotes)

            traffic_end = traffic.traffic(remotes)

            sysload_result = shared.sysload(remotes)

            software.clear(remotes)

            # add data to csv file
            extra = (['node_count', 'traffic_ms', 'software_ms', 'offset_ms'],
                     [node_count, traffic_ms, software_ms, offset * 1000])
            shared.csv_update(csvfile, '\t', extra,
                              (traffic_end - traffic_beg).getData(),
                              ping_result.getData(), sysload_result)

        network.clear(remotes)
Esempio n. 5
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def run(protocol, files, csvfile):
    for path in sorted(glob.glob(files)):
        state = shared.load_json(path)
        (node_count, link_count) = shared.json_count(state)

        # Limit node count to 300
        if node_count > 300:
            continue

        print(f'run {protocol} on {path}')

        network.apply(state=state,
                      link_command=get_tc_command,
                      remotes=remotes)

        shared.sleep(10)

        software_start_ms = shared.millis()
        software.start(protocol, remotes)
        software_startup_ms = shared.millis() - software_start_ms

        shared.sleep(300)

        start_ms = shared.millis()
        traffic_beg = traffic.traffic(remotes)

        paths = ping.get_random_paths(state, 2 * 200)
        paths = ping.filter_paths(state, paths, min_hops=2, path_count=200)
        ping_result = ping.ping(remotes=remotes,
                                paths=paths,
                                duration_ms=300000,
                                verbosity='verbose')

        traffic_ms = shared.millis() - start_ms
        traffic_end = traffic.traffic(remotes)

        sysload_result = shared.sysload(remotes)

        software.clear(remotes)
        network.clear(remotes)

        # add data to csv file
        extra = (['node_count', 'traffic_ms', 'software_startup_ms'],
                 [node_count, traffic_ms, software_startup_ms])
        shared.csv_update(csvfile, '\t', extra,
                          (traffic_end - traffic_beg).getData(),
                          ping_result.getData(), sysload_result)
Esempio n. 6
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def run(protocol, csvfile):
    for path in sorted(glob.glob(f'../../data/grid4/*.json')):
        state = shared.load_json(path)
        (node_count, link_count) = shared.json_count(state)

        print(f'run {protocol} on {path}')

        network.apply(state=state,
                      link_command=get_tc_command,
                      remotes=remotes)
        shared.sleep(10)

        software_start_ms = shared.millis()
        software.start(protocol, remotes)
        software_startup_ms = shared.millis() - software_start_ms

        shared.sleep(30)

        paths = ping.get_random_paths(state, 2 * link_count)
        paths = ping.filter_paths(state,
                                  paths,
                                  min_hops=2,
                                  path_count=link_count)
        ping_result = ping.ping(remotes=remotes,
                                paths=paths,
                                duration_ms=30000,
                                verbosity='verbose')

        sysload_result = shared.sysload(remotes)

        software.clear(remotes)

        # add data to csv file
        extra = (['node_count',
                  'software_startup_ms'], [node_count, software_startup_ms])
        shared.csv_update(csvfile, '\t', extra, ping_result.getData(),
                          sysload_result)

        network.clear(remotes)

        # abort benchmark when less then 40% of the pings arrive
        if ping_result.transmitted == 0 or (ping_result.received /
                                            ping_result.transmitted) < 0.4:
            break
Esempio n. 7
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def run(protocol, csvfile):
	shared.seed_random(1377)

	for path in sorted(glob.glob(f'../../data/freifunk/*.json')):
		state = shared.load_json(path)

		(node_count, link_count) = shared.json_count(state)
		dataset_name = '{}-{:04d}'.format(os.path.basename(path)[9:-5], node_count)

		# limit to what the host can handle
		if node_count > 310:
			continue

		print(f'run {protocol} on {path}')

		state = network.apply(state=state, link_command=get_tc_command, remotes=remotes)
		shared.sleep(10)

		software.start(protocol, remotes)

		shared.sleep(300)

		start_ms = shared.millis()
		traffic_beg = traffic.traffic(remotes)

		paths = ping.get_random_paths(state, 2 * node_count)
		paths = shared.filter_paths(state, paths, min_hops=2, path_count=node_count)
		ping_result = shared.ping(remotes=remotes, paths=paths, duration_ms=300000, verbosity='verbose')

		sysload_result = shared.sysload(remotes)

		traffic_ms = shared.millis() - start_ms
		traffic_end = traffic.traffic(remotes)
		software.clear(remotes)

		# add data to csv file
		extra = (['dataset_name', 'node_count', 'traffic_ms'], [dataset_name, node_count, traffic_ms])
		shared.csv_update(csvfile, '\t', extra, (traffic_end - traffic_beg).getData(), ping_result.getData(), sysload_result)

		network.clear(remotes)
Esempio n. 8
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def run(node_count, csvfile):
	print(f'run for node_count: {node_count}')

	state = topology.create_nodes(node_count)
	for max_range in float_range(0.0, 0.8, 0.01):
		# calculate every value 100 times
		for _ in range(0, 100):
			mobility.randomize_positions(state, xy_range=1.0)
			mobility.connect_range(state, max_distance=max_range)

			paths = get_all_paths(node_count)

			(connected_path_count, connected_median_hop_count, connected_max_hop_count) = get_connectivity(state, paths)
			mean_geo_distance = get_mean_geo_distance(state, paths)

			# add data to csv file
			connectivity_per = 100 * connected_path_count / len(paths)
			extra = (
				['node_count', 'max_range', 'mean_geo_distance', 'connectivity_per', 'connected_median_hop_count', 'connected_max_hop_count'],
				[node_count, max_range, mean_geo_distance, connectivity_per, connected_median_hop_count, connected_max_hop_count]
			)
			shared.csv_update(csvfile, '\t', extra)
Esempio n. 9
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def run(protocol, tasks, csvfile):
	for path, gateways in tasks:
		state = shared.load_json(path)
		(node_count, link_count) = shared.json_count(state)

		# Limit node count to 300
		if node_count > 300:
			continue

		print(f'run {protocol} on {path}')

		network.apply(state=state, remotes=remotes)

		shared.sleep(10)

		software_start_ms = shared.millis()
		software.start(protocol, remotes)
		software_startup_ms = shared.millis() - software_start_ms

		shared.sleep(30)

		start_ms = shared.millis()
		traffic_beg = traffic.traffic(remotes)

		paths = ping.get_paths_to_gateways(state, gateways)
		ping_result = ping.ping(remotes=remotes, paths=paths, duration_ms=300000, verbosity='verbose')

		traffic_ms = shared.millis() - start_ms
		traffic_end = traffic.traffic(remotes)

		sysload_result = shared.sysload(remotes)

		software.clear(remotes)
		network.clear(remotes)

		# add data to csv file
		extra = (['node_count', 'traffic_ms', 'software_startup_ms'], [node_count, traffic_ms, software_startup_ms])
		shared.csv_update(csvfile, '\t', extra, (traffic_end - traffic_beg).getData(), ping_result.getData(), sysload_result)