def netmap_view(network_name):
input_dir = Path(os.environ['NETMAP_INPUT_DATA_DIRECTORY'])
disable_cache = int(os.environ['NETMAP_DISABLE_CACHE'])
anonymize_hex_salt = os.environ['NETMAP_ANONYMIZE_HEX_SALT']
if len(anonymize_hex_salt) == 0:
network_name_displayed = network_name
anonymize_hex_salt = None
else:
network_name_displayed = "%s (anononymized)" % network_name
debug = int(os.environ['NETMAP_DEBUG'])
network_dir = input_dir / network_name
try:
if disable_cache:
nm = netmap.Netmap(network_dir,
anonymize_hex_salt=anonymize_hex_salt,
debugval=debug)
else:
nm = netmap_cache.Netmap_cache(
network_dir,
run_dir,
anonymize_hex_salt=anonymize_hex_salt,
debugval=debug)
except Exception as e:
print("Exception: %s" % e)
print("redirecting to index")
return flask.redirect(flask.url_for('index_view'))
nm.process()
nodes, links = nm.map()
saved_attributes_file = run_dir / ("%s_saved_attributes.json" %
network_name)
if saved_attributes_file.exists():
saved_attributes = json.loads(saved_attributes_file.read_text())
map_merge_attributes(nodes, links, saved_attributes)
map_dict = {
"class": "go.GraphLinksModel",
"nodeDataArray": nodes,
"linkDataArray": links,
}
if saved_attributes_file.exists():
map_copy_settings(map_dict, saved_attributes)
if app.debug:
json_debug = json.dumps(map_dict, indent=4, sort_keys=True)
print(json_debug)
json_debug_file = run_dir / "debug.json"
json_debug_file.write_text(json_debug)
print("wrote json to %s" % json_debug_file)
gojs_version = "go-debug.js"
else:
gojs_version = "go.js"
return flask.render_template('map.html',
network_name=network_name_displayed,
map_dict=map_dict,
gojs_version=gojs_version,
network_statistics=nm.stats,
program_header=netmap.PROGRAM_HEADER)
def netmap_get_ringid(ifname):
if ifname.startswith('netmap:'):
ifname = ifname[7:]
nm = netmap.Netmap()
nm.open()
nm.if_name = ifname
nm.getinfo()
return nm.ringid, nm.flags
def netmap_max_rings(ifname):
if ifname.startswith('netmap:'):
ifname = ifname[7:]
nm = netmap.Netmap()
nm.open()
nm.if_name = ifname
nm.getinfo()
return nm.tx_rings
def send(packet, interface):
sender = netmap.Netmap()
sender.open()
sender.if_name = interface
sender.register()
txr = sender.transmit_rings[0]
txr.slots[0].buf[0:len(packet)] = packet
txr.slots[0].len = len(packet)
txr.cur = txr.head = 1
sender.txsync()
sender.close()
def test_k8sexample(self):
self.maxDiff = None
networkdir_name = "k8s_example"
network_dir = INPUT_DATA_DIRECTORY / networkdir_name
nm = netmap.Netmap(network_dir)
nm.process()
nm.stats.pop(
'last_modification') # ignore modification date that could change
self.assertEqual(EXPECTED_RESULTS[networkdir_name]["summary"],
nm.summary())
self.assertEqual(EXPECTED_RESULTS[networkdir_name]["map"], nm.map())
self.assertEqual(EXPECTED_RESULTS[networkdir_name]["statistics"],
nm.stats)
nargs='?',
help=
'name of the network to analyse from input_data_directory. if not specified, list networks avaible for analysis.'
)
args = parser.parse_args()
data_dir = Path(args.input_data_directory).resolve()
if not data_dir.exists():
print("error: input_data_directory does not exist : %s" % data_dir)
sys.exit(1)
if args.network_name:
network_dir = data_dir / args.network_name
if not network_dir.exists():
print(
"error: network directory '%s' does not exist in input_data_directory : %s"
% (args.network_name, network_dir))
sys.exit(1)
netmap = netmap.Netmap(network_dir,
anonymize_hex_salt=args.anonymize_hex_salt,
debugval=args.debug)
netmap.process()
if args.graph_output:
print(json.dumps(netmap.map(), indent=4))
else:
print(netmap.summary())
print(netmap.statistics())
else:
print("Networks in %s:" % data_dir)
print('\n'.join(
[str(x.name) for x in data_dir.iterdir() if x.is_dir()]))
import netmap # see 'help(netmap)' for documentation n = netmap.Netmap() print n n.open() n.if_name = 'enp1s0f1' n.ringid = netmap.HwRing | 3 n.arg3 = 2 n.register() print n print n.interface n.close()
'-i',
'--interface',
help='the interface to register with netmap; '
'can be in the form <OSNAME> or <VALENAME>, where '
'OSNAME is the O.S. name for a network interface (e.g. "eth0"), '
'<VALENAME> is a valid VALE port name (e.g. "vale18:2")',
default='vale0:0')
args = parser.parse_args()
pkt = build_packet()
print("Opening interface %s" % (args.interface))
# open the netmap device and register an interface
nm = netmap.Netmap()
nm.open()
nfd = nm.getfd()
nm.if_name = args.interface
nm.register()
time.sleep(1)
# fill in the netmap slots and netmap buffers for tx ring 0
txr = nm.transmit_rings[0]
num_slots = txr.num_slots
for i in range(num_slots):
txr.slots[i].buf[0:len(pkt)] = pkt
txr.slots[i].len = len(pkt)
print("Starting transmission, press Ctrl-C to stop")