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#!/router/bin/python
import outer_packages
from client.trex_hltapi import CTRexHltApi
import traceback
import sys, time
from pprint import pprint
import argparse
def check_res(res):
if res['status'] == 0:
print('Encountered error:\n%s' % res['log'])
sys.exit(1)
return res
def save_streams_id(res, streams_id_arr):
stream_id = res.get('stream_id')
if type(stream_id) in (int, long):
streams_id_arr.append(stream_id)
elif type(stream_id) is list:
streams_id_arr.extend(stream_id)
def print_brief_stats(res):
title_str = ' '*3
tx_str = 'TX:'
rx_str = 'RX:'
for port_id, stat in res.iteritems():
if type(port_id) is not int:
continue
title_str += ' '*10 + 'Port%s' % port_id
tx_str += '%15s' % res[port_id]['aggregate']['tx']['total_pkts']
rx_str += '%15s' % res[port_id]['aggregate']['rx']['total_pkts']
print(title_str)
print(tx_str)
print(rx_str)
def wait_with_progress(seconds):
for i in range(0, seconds):
time.sleep(1)
sys.stdout.write('.')
sys.stdout.flush()
print('')
if __name__ == "__main__":
try:
parser = argparse.ArgumentParser(description='Example of using stateless TRex via HLT API.', formatter_class=argparse.RawTextHelpFormatter)
parser.add_argument('-v', dest = 'verbose', default = 0, help='Stateless API verbosity:\n0: No prints\n1: Commands and their status\n2: Same as 1 + ZMQ in&out')
parser.add_argument('--device', dest = 'device', default = 'localhost', help='Address of TRex server')
args = parser.parse_args()
hlt_client = CTRexHltApi(verbose = int(args.verbose))
streams_id_arr = []
print('Connecting to %s...' % args.device)
res = check_res(hlt_client.connect(device = args.device, port_list = [0, 1], username = 'danklei', break_locks = True, reset = True))
port_handle = res['port_handle']
print('Connected.')
print('Create single_burst 100 packets rate_pps=100 on port 0')
res = check_res(hlt_client.traffic_config(mode = 'create', port_handle = port_handle[0], transmit_mode = 'single_burst', pkts_per_burst = 100, rate_pps = 100))
#save_streams_id(res, streams_id_arr)
# playground - creating various streams on port 1
res = check_res(hlt_client.traffic_config(mode = 'create', port_handle = port_handle[1], save_to_yaml = '/tmp/hlt2.yaml',
tcp_src_port_mode = 'decrement',
tcp_src_port_count = 10, tcp_dst_port_count = 10, tcp_dst_port_mode = 'random'))
res = check_res(hlt_client.traffic_config(mode = 'create', port_handle = port_handle[1], save_to_yaml = '/tmp/hlt3.yaml',
l4_protocol = 'udp',
udp_src_port_mode = 'decrement',
udp_src_port_count = 10, udp_dst_port_count = 10, udp_dst_port_mode = 'random'))
res = check_res(hlt_client.traffic_config(mode = 'create', port_handle = port_handle[1], save_to_yaml = '/tmp/hlt4.yaml',
length_mode = 'increment',
#ip_src_addr = '192.168.1.1', ip_src_mode = 'increment', ip_src_count = 5,
ip_dst_addr = '5.5.5.5', ip_dst_mode = 'random', ip_dst_count = 2))
res = check_res(hlt_client.traffic_config(mode = 'create', port_handle = port_handle[1], save_to_yaml = '/tmp/hlt5.yaml',
length_mode = 'decrement', frame_size_min = 100, frame_size_max = 3000,
#ip_src_addr = '192.168.1.1', ip_src_mode = 'increment', ip_src_count = 5,
#ip_dst_addr = '5.5.5.5', ip_dst_mode = 'random', ip_dst_count = 2
))
# remove the playground
check_res(hlt_client.traffic_config(mode = 'reset', port_handle = port_handle[1]))
print('Create continuous stream for port 1, rate_pps = 1')
res = check_res(hlt_client.traffic_config(mode = 'create', port_handle = port_handle[1], save_to_yaml = '/tmp/hlt1.yaml',
#length_mode = 'increment', l3_length_min = 200,
ip_src_addr = '192.168.1.1', ip_src_mode = 'increment', ip_src_count = 5,
ip_dst_addr = '5.5.5.5', ip_dst_mode = 'random', ip_dst_count = 2))
check_res(hlt_client.traffic_control(action = 'run', port_handle = port_handle))
wait_with_progress(1)
print('Sample after 1 seconds (only packets count)')
res = check_res(hlt_client.traffic_stats(mode = 'all', port_handle = port_handle))
print_brief_stats(res)
print ''
print('Port 0 has finished the burst, put continuous instead with rate 1000. No stopping of other ports.')
check_res(hlt_client.traffic_control(action = 'stop', port_handle = port_handle[0]))
check_res(hlt_client.traffic_config(mode = 'reset', port_handle = port_handle[0]))
res = check_res(hlt_client.traffic_config(mode = 'create', port_handle = port_handle[0], rate_pps = 1000))
save_streams_id(res, streams_id_arr)
check_res(hlt_client.traffic_control(action = 'run', port_handle = port_handle[0]))
wait_with_progress(5)
print('Sample after another 5 seconds (only packets count)')
res = check_res(hlt_client.traffic_stats(mode = 'aggregate', port_handle = port_handle))
print_brief_stats(res)
print ''
print('Stop traffic at port 1')
res = check_res(hlt_client.traffic_control(action = 'stop', port_handle = port_handle[1]))
wait_with_progress(5)
print('Sample after another %s seconds (only packets count)' % 5)
res = check_res(hlt_client.traffic_stats(mode = 'aggregate', port_handle = port_handle))
print_brief_stats(res)
print ''
print('Full HLT stats:')
pprint(res)
check_res(hlt_client.cleanup_session())
except Exception as e:
print(traceback.print_exc())
print(e)
raise
finally:
print('Done.')
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