def main(args):
_LOGGER.setLevel(logging.DEBUG if args.debug else logging.INFO)
stream_logger = logging.StreamHandler(sys.stdout)
stream_logger.setFormatter(
logging.Formatter(
'[%(levelname)-5s] %(asctime)s : (%(name)s) - %(message)s'))
_LOGGER.addHandler(stream_logger)
xena_socket = XenaSocket(args.chassis)
xena_socket.connect()
xena_manager = XenaLossMonitorManager(xena_socket, 'Monitor')
port0 = xena_manager.add_port(args.module, args.ports[0])
port1 = xena_manager.add_port(args.module, args.ports[1])
totaltime = 0
while totaltime < args.length:
time.sleep(1)
totaltime += 1
total_lossport0 = 0
total_lossport1 = 0
if totaltime % args.interval == 0:
# retrieve rx stats from each port
port0.grab_all_rx_stats()
port1.grab_all_rx_stats()
# update total loss statistics
total_lossport0 = port0.get_total_errors_counter()
total_lossport1 = port1.get_total_errors_counter()
_LOGGER.info(
'Port 0 total lost frames: {}'.format(total_lossport0))
_LOGGER.info(
'Port 1 total lost frames: {}'.format(total_lossport1))
def __init__(self, **kwargs):
super(XenaNetworks, self).__init__(**kwargs)
self.hostname = kwargs.pop("hostname", "localhost")
self.username = kwargs.pop("username", "test")
self.password = kwargs.pop("password", "xena")
self.__xena_socket = XenaSocket(self.hostname)
self.__xena_manager = None
def main(args):
_LOGGER.setLevel(logging.INFO)
stream_logger = logging.StreamHandler(sys.stdout)
stream_logger.setFormatter(
logging.Formatter(
'[%(levelname)-5s] %(asctime)s : (%(name)s) - %(message)s'))
_LOGGER.addHandler(stream_logger)
xena_socket = XenaSocket(args.chassis)
xena_socket.connect()
time.sleep(1)
# create the manager session
xm = XenaManager(xena_socket, 'TestUser')
time.sleep(1)
try:
# add port 0 and configure
port0 = xm.add_port(args.module, args.ports[0])
port0.reserve()
port0.clear_all_rx_stats()
port0.clear_all_tx_stats()
# add port 1 and configure
port1 = xm.add_port(args.module, args.ports[1])
port1.reserve()
port1.clear_all_rx_stats()
port1.clear_all_tx_stats()
except Exception as e:
print(
'An exception occurred while attempting to add and configure ports'
)
print(e)
try:
# add a single stream and configure
s1_p0 = port0.add_stream(0)
s1_p0.set_packet_limit(args.duration * args.pps)
s1_p0.set_stream_on()
s1_p0.set_rate_pps(args.pps)
s1_p0.set_packet_header(pkthdr1)
s1_p0.set_packet_length_fixed(args.pkt_size, 1518)
s1_p0.set_packet_payload_incrementing('0x00')
s1_p0.set_packet_protocol('ETHERNET', 'IP')
s1_p0.set_test_payload_id(1)
# enable multistream
if args.number_streams:
m1_s1_p0 = s1_p0.add_modifier()
m1_s1_p0.set_modifier(32, 0xffff0000, 'inc', 1)
m1_s1_p0.set_modifier_range(0, 1, args.number_streams)
# begin network traffic
port0.start_traffic()
time.sleep(args.duration + 2)
port0.stop_traffic()
# retrieve traffic statistics
port1.grab_all_rx_stats()
grab_stats = port1.dump_all_rx_stats()
# reorganize stats dict
stats = {}
for timestamp, stat in grab_stats.items():
for key in stat:
stats[key] = stat[key]
# packets sent
pkt_sent = args.duration * args.pps
print('Packets sent: {}'.format(pkt_sent))
# packets received
pr_total = stats.get('pr_total')
pkt_rec = pr_total.get('packets')
# latency
pr_tpldlatency = stats.get('pr_tpldlatency')
tmp = pr_tpldlatency.get('1')
pkt_latency_avg = tmp.get('avg')
print('Packet latency: {} ns'.format(pkt_latency_avg))
# packets lost
pkt_lost = pkt_sent - pkt_rec # sometimes returns negative loss, TODO: find out why
print('Packets received: {}'.format(pkt_rec))
print('Packets lost: {}'.format(pkt_lost))
except Exception as e:
print(
'An exception occurred while attempting to add and configure stream'
)
print(e)
finally:
# disconnect from Xena
print('Disconnecting from Xena chassis...')
del xm
del xena_socket
print('Connection severed')
def main():
# create the test packet
pkthdr = build_test_packet()
# create the communication socket
xsocket = XenaSocket('10.0.0.1')
if not xsocket.connect():
sys.exit(-1)
# create the manager session
xm = XenaManager(xsocket, 'fbl')
# add port 0 and configure
port0 = xm.add_port(1, 0)
if not port0:
print "Fail to add port"
sys.exit(-1)
port0.set_pause_frames_off()
# add port 1 and configure
port1 = xm.add_port(1, 1)
if not port1:
print "Fail to add port"
sys.exit(-1)
port1.set_pause_frames_off()
# add a single stream and configure
s1_p0 = port0.add_stream(1)
s1_p0.set_stream_on()
s1_p0.disable_packet_limit()
s1_p0.set_rate_fraction()
s1_p0.set_packet_header(pkthdr)
s1_p0.set_packet_length_fixed(64, 1518)
s1_p0.set_packet_payload_incrementing('0x00')
s1_p0.disable_test_payload_id()
s1_p0.set_frame_csum_on()
# start the traffic
port0.start_traffic()
time.sleep(4)
# fetch stats
for i in range(1, 10):
port1.grab_all_rx_stats()
time.sleep(1)
# stop traffic
port0.stop_traffic()
# release resources
full_stats = port1.dump_all_rx_stats()
avg = cnt = 0
for timestamp in full_stats.keys():
stats = full_stats[timestamp]
pps = stats['pr_total']['pps']
avg += pps
cnt += 1
print "Average: %.2f pps" % (avg / cnt)
write_csv("single_stream.csv", "Single Stream RX Stats", full_stats)
del xm
del xsocket
def main():
# create the test packet
pkthdr = build_test_packet()
# create the communication socket
xsocket = XenaSocket('10.0.0.1')
if not xsocket.connect():
sys.exit(-1)
# create the manager session
xm = XenaManager(xsocket, 'fbl')
# add port 0 and configure
port0 = xm.add_port(1, 0)
if not port0:
print "Fail to add port"
sys.exit(-1)
port0.set_pause_frames_off()
# add port 1 and configure
port1 = xm.add_port(1, 1)
if not port1:
print "Fail to add port"
sys.exit(-1)
port1.set_pause_frames_off()
# add a single stream and configure
s1_p0 = port0.add_stream(1)
s1_p0.set_stream_on()
s1_p0.disable_packet_limit()
s1_p0.set_rate_fraction()
s1_p0.set_rate_pps(100)
s1_p0.set_packet_header(pkthdr)
s1_p0.set_packet_length_fixed(64, 1518)
s1_p0.set_packet_payload_incrementing('0x00')
s1_p0.set_test_payload_id(1)
s1_p0.set_frame_csum_on()
# start the traffic
port0.start_traffic()
time.sleep(4)
# fetch stats
for i in range(1, 300):
port1.grab_all_rx_stats()
time.sleep(1)
# stop traffic
port0.stop_traffic()
# release resources
full_stats = port1.dump_all_rx_stats()
avg_lat = max_lat = min_lat = cnt = 0
for timestamp in full_stats.keys():
stats = full_stats[timestamp]
lat = stats['pr_tpldlatency']['1']['avg']
max_tmp = stats['pr_tpldlatency']['1']['max']
min_tmp = stats['pr_tpldlatency']['1']['min']
max_lat = max_tmp if max_tmp > max_lat else max_lat
min_lat = min_tmp if min_tmp < min_lat else min_lat
avg_lat += lat
cnt += 1
print "Average latency: %.2f ns" % (avg_lat / cnt)
print "Max latency: %.2f ns" % (max_lat)
print "Min latency: %.2f ns" % (min_lat)
write_csv("latency.csv", "Latency RX Stats", full_stats)
del xm
del xsocket