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# include the path of trex_stl_api.py
import sys
sys.path.insert(0, "../")
from trex_stl_api import *
from trex_stl_lib import *
from profiles.imix import STLImix
import time
import json
from pprint import pprint
# 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 ():
# create client
c = STLClient()
passed = True
try:
# base profile - imix
profile = STLImix()
# connect to server
c.connect()
# take all the ports
c.reset()
# map ports - identify the routes
table = stl_map_ports(c)
print "Mapped ports to sides {0} <--> {1}".format(table['dir'][0], table['dir'][1])
dir_0 = table['dir'][0]
dir_1 = table['dir'][1]
# add both streams to ports
c.add_streams(profile.get_streams(direction = 0), ports = dir_0)
c.add_streams(profile.get_streams(direction = 1), 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 = "5mpps"
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_0, dir_0, lost_0)
if (lost_0 == 0) and (lost_0 == 0):
passed = True
else:
passed = False
except STLError as e:
passed = False
print e
finally:
c.disconnect()
if passed:
print "\nTest has passed :-)\n"
else:
print "\nTest has failed :-(\n"
# run the tests
imix_test()
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