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import stl_path
from trex_stl_lib.api import *
import time
def simple_burst ():
# create client
c = STLClient()
passed = True
try:
pkt = STLPktBuilder(pkt = Ether()/IP(src="16.0.0.1",dst="48.0.0.1")/UDP(dport=12,sport=1025)/IP()/'a_payload_example')
# create two bursts and link them
s1 = STLStream(name = 'A',
packet = pkt,
mode = STLTXSingleBurst(total_pkts = 5000),
next = 'B')
s2 = STLStream(name = 'B',
self_start = False,
packet = pkt,
mode = STLTXSingleBurst(total_pkts = 3000))
# connect to server
c.connect()
# prepare our ports
c.reset(ports = [0, 3])
# add both streams to ports
stream_ids = c.add_streams([s1, s2], ports = [0, 3])
# run 5 times
for i in range(1, 6):
c.clear_stats()
c.start(ports = [0, 3], mult = "1gbps")
c.wait_on_traffic(ports = [0, 3])
stats = c.get_stats()
ipackets = stats['total']['ipackets']
print("Test iteration {0} - Packets Received: {1} ".format(i, ipackets))
# (5000 + 3000) * 2 ports = 16,000
if (ipackets != (16000)):
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
simple_burst()
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