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import stl_path
from trex_stl_lib.api import *
import time
import json
from pprint import pprint
import argparse
# IMIX test
# it maps the ports to sides
# then it load a predefind profile 'IMIX'
# and attach it to both sides and inject
# at a certain rate for some time
# finally it checks that all packets arrived
def imix_test (server):
# create client
c = STLClient(server = server)
passed = True
try:
# connect to server
c.connect()
# take all the ports
c.reset()
# map ports - identify the routes
table = stl_map_ports(c)
dir_0 = [x[0] for x in table['bi']]
dir_1 = [x[1] for x in table['bi']]
print("Mapped ports to sides {0} <--> {1}".format(dir_0, dir_1))
# load IMIX profile
profile = STLProfile.load_py('../../../../stl/imix.py')
streams = profile.get_streams()
# add both streams to ports
c.add_streams(streams, ports = dir_0)
c.add_streams(streams, ports = dir_1)
# clear the stats before injecting
c.clear_stats()
# choose rate and start traffic for 10 seconds on 5 mpps
duration = 10
mult = "30%"
print("Injecting {0} <--> {1} on total rate of '{2}' for {3} seconds".format(dir_0, dir_1, mult, duration))
c.start(ports = (dir_0 + dir_1), mult = mult, duration = duration, total = True)
# block until done
c.wait_on_traffic(ports = (dir_0 + dir_1))
# read the stats after the test
stats = c.get_stats()
# use this for debug info on all the stats
#pprint(stats)
# sum dir 0
dir_0_opackets = sum([stats[i]["opackets"] for i in dir_0])
dir_0_ipackets = sum([stats[i]["ipackets"] for i in dir_0])
# sum dir 1
dir_1_opackets = sum([stats[i]["opackets"] for i in dir_1])
dir_1_ipackets = sum([stats[i]["ipackets"] for i in dir_1])
lost_0 = dir_0_opackets - dir_1_ipackets
lost_1 = dir_1_opackets - dir_0_ipackets
print("\nPackets injected from {0}: {1:,}".format(dir_0, dir_0_opackets))
print("Packets injected from {0}: {1:,}".format(dir_1, dir_1_opackets))
print("\npackets lost from {0} --> {1}: {2:,} pkts".format(dir_0, dir_0, lost_0))
print("packets lost from {0} --> {1}: {2:,} pkts".format(dir_1, dir_1, lost_1))
if (lost_0 <= 0) and (lost_1 <= 0): # less or equal because we might have incoming arps etc.
passed = True
else:
passed = False
except STLError as e:
passed = False
print(e)
finally:
c.disconnect()
if passed:
print("\nTest has passed :-)\n")
sys.exit(0)
else:
print("\nTest has failed :-(\n")
sys.exit(-1)
parser = argparse.ArgumentParser(description="Example for TRex Stateless, sending IMIX traffic")
parser.add_argument('-s', '--server',
dest='server',
help='Remote trex address',
default='127.0.0.1',
type = str)
args = parser.parse_args()
# run the tests
imix_test(args.server)
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