def run_iperf_experiment(exp_params):
completed_experiment_procs = []
exp = ''
num_completed_experiments = 0
for params in exp_params:
try:
num_flows = params[0]
ccalg = params[1]
duration = params[2]
btlbw, rtt, queue_size = params[3]
util.log_current_experiment(num_completed_experiments, exp_params,
params)
if (util.is_rtt_too_small(rtt)):
continue
experiment_name = '{}-{}bw-{}rtt-{}q-{}iperf-{}s'.format(
ccalg, btlbw, rtt, queue_size, num_flows, duration)
flow_structure = util.get_flow_structure(ccalg, duration, rtt)
flows = util.create_flows(flow_structure, const.FLOW_KIND_IPERF,
num_flows, HOST_CLIENT,
const.CLIENT_PORT, const.SERVER_PORT)
exp = util.create_experiment(btlbw, queue_size, flows,
experiment_name, HOST_CLIENT,
HOST_SERVER, None)
logging.info('Running experiment: {}'.format(exp.name))
util.clean_tcpdump(exp)
flowImpl.start_bess_for_iperf(exp, duration)
completed_experiment_procs = util.run_post_experiment_process(
experiment_name, exp, completed_experiment_procs)
except Exception as e:
util.handle_exception(e, exp)
return completed_experiment_procs
def create_iperf_flows(primaryWebsite, secondaryLink, rtt, duration,
number_of_flows, ccalg, client_port, server_port):
flow_structure = util.get_flow_structure(ccalg, duration, rtt)
flows = util.create_flows(flow_structure, const.FLOW_KIND_IPERF,
number_of_flows, HOST_CLIENT, client_port,
server_port)
return flows, HOST_CLIENT
def run_web_video_experiment(exp_params):
completed_experiment_procs = []
exp = ''
for params in exp_params:
try:
website, url = params[0]
num_flows = params[1]
duration = params[2]
btlbw, rtt, queue_size = params[3]
(url_ip, website_rtt, video_server_host,
video_url_ip) = util.get_web_video_details(url)
if website_rtt >= rtt:
logging.warning(
'Skipping experiment with website RTT {} >= {}'.format(
website_rtt, rtt))
continue
# return (-1, '')
(host_client) = util.get_host_client(url_ip)
server_nat_ip = HOST_CLIENT.ip_wan
experiment_name = '{}bw-{}rtt-{}q-{}-{}s'.format(
btlbw, rtt, queue_size, website, duration)
delay = rtt - website_rtt
flow_structure = util.get_flow_structure(website, duration, delay)
flows = util.create_flows(flow_structure,
const.FLOW_KIND_WEB_VIDEO, 1,
host_client, const.CLIENT_PORT,
const.SERVER_PORT)
exp = util.create_experiment(btlbw, queue_size, flows,
experiment_name, host_client,
HOST_SERVER, server_nat_ip)
logging.info('Running experiment: {}'.format(exp.name))
util.clean_tcpdump(exp)
web_data = util.create_web_info(website, url, website_rtt, rtt,
delay, url_ip, duration, 1,
video_url_ip, video_server_host)
flowImpl.start_bess_for_web_video(exp, duration, web_data)
completed_experiment_procs = util.run_post_experiment_process(
experiment_name, exp, completed_experiment_procs)
except Exception as e:
util.handle_exception(e, exp)
return completed_experiment_procs
def create_website_flows(primaryWebsite, secondaryLink, rtt, duration,
number_of_flows, ccalg, client_port, server_port):
url_ip, website_rtt = util.get_website_details(secondaryLink)
if website_rtt >= rtt:
logging.warning('Skipping experiment with website RTT {} >= {}'.format(
website_rtt, rtt))
raise Exception('Website RTT{} >= {}', website_rtt, rtt)
(host_client) = util.get_host_client(url_ip)
delay = rtt - website_rtt
flow_structure = util.get_flow_structure(primaryWebsite, duration, delay)
web_data = util.create_web_info(primaryWebsite, secondaryLink, website_rtt,
rtt, delay, url_ip, duration,
number_of_flows)
flows = util.create_flows(flow_structure, const.FLOW_KIND_WEBSITE,
number_of_flows, host_client, client_port,
server_port, web_data)
return flows, host_client