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#!/usr/bin/python
"""
Sample HLTAPI application (for loopback)
Connect to TRex
Send UDP packet in specific length
Each direction has its own IP range
"""
import sys
import argparse
import stl_path
from trex_stl_lib.api import *
from trex_stl_lib.trex_stl_hltapi import *
if __name__ == "__main__":
parser = argparse.ArgumentParser(usage="""
Connect to TRex and send bidirectional continuous traffic
examples:
hlt_udp_simple.py --server <hostname/ip>
hlt_udp_simple.py -s 300 -d 30 -rate_pps 5000000 --src <MAC> --dst <MAC>
then run the simulator on the output
./stl-sim -f example.yaml -o a.pcap ==> a.pcap include the packet
""",
description="Example for TRex HLTAPI",
epilog=" based on hhaim's stl_run_udp_simple example");
parser.add_argument("--server",
dest="server",
help='Remote trex address',
default="127.0.0.1",
type = str)
parser.add_argument("-s", "--frame-size",
dest="frame_size",
help='L2 frame size in bytes without FCS',
default=60,
type = int,)
parser.add_argument('-d','--duration',
dest='duration',
help='duration in second ',
default=10,
type = int,)
parser.add_argument('--rate-pps',
dest='rate_pps',
help='speed in pps',
default="100")
parser.add_argument('--src',
dest='src_mac',
help='src MAC',
default='00:50:56:b9:de:75')
parser.add_argument('--dst',
dest='dst_mac',
help='dst MAC',
default='00:50:56:b9:34:f3')
args = parser.parse_args();
hltapi = CTRexHltApi()
print('Connecting to TRex')
res = hltapi.connect(device = args.server, port_list = [0, 1], reset = True, break_locks = True)
check_res(res)
ports = list(res['port_handle'].values())
if len(ports) < 2:
error('Should have at least 2 ports for this test')
print('Connected, acquired ports: %s' % ports)
print('Creating traffic')
res = hltapi.traffic_config(mode = 'create', bidirectional = True,
port_handle = ports[0], port_handle2 = ports[1],
frame_size = args.frame_size,
mac_src = args.src_mac, mac_dst = args.dst_mac,
mac_src2 = args.dst_mac, mac_dst2 = args.src_mac,
l3_protocol = 'ipv4',
ip_src_addr = '10.0.0.1', ip_src_mode = 'increment', ip_src_count = 254,
ip_dst_addr = '8.0.0.1', ip_dst_mode = 'increment', ip_dst_count = 254,
l4_protocol = 'udp',
udp_dst_port = 12, udp_src_port = 1025,
rate_pps = args.rate_pps,
)
check_res(res)
print('Starting traffic')
res = hltapi.traffic_control(action = 'run', port_handle = ports[:2])
check_res(res)
wait_with_progress(args.duration)
print('Stopping traffic')
res = hltapi.traffic_control(action = 'stop', port_handle = ports[:2])
check_res(res)
res = hltapi.traffic_stats(mode = 'aggregate', port_handle = ports[:2])
check_res(res)
print_brief_stats(res)
print('Removing all streams from port 0')
res = hltapi.traffic_config(mode = 'remove', port_handle = ports[0], stream_id = 'all')
check_res(res)
res = hltapi.cleanup_session(port_handle = 'all')
check_res(res)
print('Done')
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