def test_simulation(self):
def simulation(network):
ns3_lib.udp_echo_app(network, client_node="Urcos", server_node="Ccatcca",
server_device="Josjo2-wimax2", start=1.0, stop=9.0, packets=2, interval=1.0)
ns3_lib.add_wimax_service_flow(network, install=("Ccatcca", "Josjo2-wimax2"),
source=("Urcos", "Huiracochan-wifi1", None), dest=("Ccatcca", "Josjo2-wimax2", 9),
protocol="udp", direction="down", scheduling="rtps", priority=0)
monitor_info = ns3_lib.enable_monitor(network, interval=0.1)
ns3.LogComponentEnable("UdpEchoClientApplication", ns3.LOG_LEVEL_INFO)
ns3.LogComponentEnable("UdpEchoServerApplication", ns3.LOG_LEVEL_INFO)
ns3_lib.run_simulation(network, 5.0)
return monitor_info
expected_debug = """
Sent 1024 bytes to 10.1.3.1
Received 1024 bytes from 10.1.0.1
Received 1024 bytes from 10.1.3.1
Sent 1024 bytes to 10.1.3.1
Received 1024 bytes from 10.1.0.1
Received 1024 bytes from 10.1.3.1""".strip()
path = self._get_report_file()
debug_data, monitor_info = capture_stderr(ns3_lib.simulation_main,
[path], simulation, "UDP server/client")
self.assertEqual(debug_data.strip(), expected_debug)
# Check monitor_info
self.assertEqual(monitor_info["flow_stats_steps"].keys(), [1, 2])
steps = monitor_info["flow_stats_steps"][1]
time1, flow_stats1 = steps[0]
time2, flow_stats2 = steps[1]
self.assert_((time2-time1) - 0.1 < 0.01)
self.assertEqual(len(steps), int((5.0 - 1.0) / 0.1) - 1)
# Check print_monitor
stream = StringIO()
ns3_lib.print_monitor_results(monitor_info, show_histograms=True, stream=stream)
results = stream.getvalue()
re_flow1 = r"^Flow 1 \(UDP\) - 10.1.0.1/\d+ \(Urcos:Huiracochan-wifi1\) --> 10.1.3.1/9 \(Ccatcca:Josjo2-wimax2\)"
re_flow2 = r"^Flow 2 \(UDP\) - 10.1.3.1/9 \(Ccatcca:Josjo2-wimax2\) --> 10.1.0.1/\d+ \(Urcos:Huiracochan-wifi1\)"
self.assert_(re.search(re_flow1, results, re.M))
self.assert_(re.search(re_flow2, results, re.M))
def simulation(network):
ns3.LogComponentEnable("PacketSink",
ns3.LOG_LEVEL_ALL | ns3.LOG_PREFIX_TIME)
# Applications
ns3_lib.onoff_app(network,
client_node="Urcos",
server_node="Huiracochan",
server_device="Josjo1-wifi1",
start=1.0,
stop=9.0,
rate="1Mbps",
access_class="ac_vo")
ns3_lib.onoff_app(network,
client_node="Urpay",
server_node="Ccatcca",
server_device="Josjo2-wimax2",
start=1.0,
stop=9.0,
rate="0.5Mbps")
ns3_lib.add_wimax_service_flow(network,
install=("Ccatcca", "Josjo2-wimax2"),
source=("Urpay", "Josjo1-wifi1", None),
dest=("Ccatcca", "Josjo2-wimax2", 9),
protocol="udp",
direction="down",
scheduling="rtps",
priority=0)
# Tracing
#device = network.nodes["Josjojauarina 1"].devices["Josjo1-wifi1"]
#device.phy_helper.EnablePcap("onoff", device.ns3_device)
monitor_info = ns3_lib.enable_monitor(network, interval=0.1)
# Run simulation
ns3_lib.run_simulation(network, 3.0)
ns3_lib.print_monitor_results(monitor_info)
ns3_lib.save_monitor_xmldata(monitor_info, "onoff.flowmon.xml")
ns3_lib.create_througput_gnuplot(monitor_info, "Urcos-Huiracochan 1Mbps",
"onoff")
def simulation(network):
ns3.LogComponentEnable("PacketSink", ns3.LOG_LEVEL_ALL | ns3.LOG_PREFIX_TIME)
# Applications
ns3_lib.onoff_app(network, client_node="Urcos",
server_node="Huiracochan", server_device="Josjo1-wifi1",
start=1.0, stop=9.0, rate="1Mbps", access_class="ac_vo")
ns3_lib.onoff_app(network, client_node="Urpay",
server_node="Ccatcca", server_device="Josjo2-wimax2", start=1.0, stop=9.0, rate="0.5Mbps")
ns3_lib.add_wimax_service_flow(network, install=("Ccatcca", "Josjo2-wimax2"),
source=("Urpay", "Josjo1-wifi1", None), dest=("Ccatcca", "Josjo2-wimax2", 9),
protocol="udp", direction="down", scheduling="rtps", priority=0)
# Tracing
#device = network.nodes["Josjojauarina 1"].devices["Josjo1-wifi1"]
#device.phy_helper.EnablePcap("onoff", device.ns3_device)
monitor_info = ns3_lib.enable_monitor(network, interval=0.1)
# Run simulation
ns3_lib.run_simulation(network, 3.0)
ns3_lib.print_monitor_results(monitor_info)
ns3_lib.save_monitor_xmldata(monitor_info, "onoff.flowmon.xml")
ns3_lib.create_througput_gnuplot(monitor_info, "Urcos-Huiracochan 1Mbps", "onoff")
def siminfo(filename, stream=sys.stdout):
"""Run a simulation YML file."""
logging.debug("Open simulation file: %s" % filename)
config = yaml.load(open(filename).read())
logging.info("Simulation: %s (%s)" % (config["description"], config["version"]))
logging.debug("Simulation YAML:")
for line in pprint.pformat(config).splitlines():
logging.debug(line)
assert "netinfo" in config, "missing compulsory variable: netinfo"
siminfo_dir = os.path.dirname(os.path.abspath(filename))
netinfo_path = os.path.join(siminfo_dir, config["netinfo"])
network = wwnetwork.create_network_from_yaml_file(netinfo_path)
# Enable Logs
for name, string_flags in (config["logs"] or {}).iteritems():
attrs = ["LOG_" + s.upper() for s in string_flags.split("|")]
flags = reduce(operator.or_, [getattr(ns3, attr) for attr in attrs])
logging.debug("Log enabled: %s=%s" % (name, flags))
ns3.LogComponentEnable(name, flags)
# Add applications
assert "apps" in config
for app in config["apps"]:
available_applications = ns3_lib.get_available_applications()
assert (app["type"] in available_applications), \
"Application type '%s' not found, available: %s" % \
(app["type"], ", ".join(available_applications.keys()))
app_kwargs = filter_dict_by_keys(app, ["type"])
app_func = available_applications[app["type"]]
logging.debug("Add application: %s (%s)" % (app["type"], app_kwargs))
app_func(network, **app_kwargs)
for flow in config.get("wimax_service_flows", []):
logging.debug("Add service flow: %s" % flow)
ns3_lib.add_wimax_service_flow(network, **flow)
# Enable flow-monitor & tracking
interval = config["simulation"].get("interval", 0.1)
logging.debug("Flow monitor interval: %s seconds" % interval)
monitor_info = ns3_lib.enable_monitor(network, interval)
for options in config["results"].get("save_pcap", []):
device = network.nodes[options["node"]].devices[options["device"]]
device.phy_helper.EnablePcap(options["filename"], device.ns3_device)
logging.debug("Enable pcap for %s:%s" % (options["node"], options["device"]))
# Start simulation
duration = config["simulation"].get("duration")
ns3_lib.run_simulation(network, duration)
# Results
ns3_lib.print_monitor_results(monitor_info, stream=stream)
if "monitor" in config["results"]:
xmlfile = results["monitor"].get("save_xml")
if xmlfile:
ns3_lib.save_monitor_xmldata(monitor_info, xmlfile)
for plot in config["results"].get("plots", []):
available_plots = ns3_lib.get_available_plots()
assert (plot["type"] in available_plots), \
"Plot type '%s' not found, available: %s" % \
(plot["type"], ", ".join(available_plots.keys()))
plot_func = available_plots[plot["type"]]
plot_kwargs = filter_dict_by_keys(plot, ["type"])
plot_func(monitor_info, **plot_kwargs)
def siminfo(filename, stream=sys.stdout):
"""Run a simulation YML file."""
logging.debug("Open simulation file: %s" % filename)
config = yaml.load(open(filename).read())
logging.info("Simulation: %s (%s)" %
(config["description"], config["version"]))
logging.debug("Simulation YAML:")
for line in pprint.pformat(config).splitlines():
logging.debug(line)
assert "netinfo" in config, "missing compulsory variable: netinfo"
siminfo_dir = os.path.dirname(os.path.abspath(filename))
netinfo_path = os.path.join(siminfo_dir, config["netinfo"])
network = wwnetwork.create_network_from_yaml_file(netinfo_path)
# Enable Logs
for name, string_flags in (config["logs"] or {}).iteritems():
attrs = ["LOG_" + s.upper() for s in string_flags.split("|")]
flags = reduce(operator.or_, [getattr(ns3, attr) for attr in attrs])
logging.debug("Log enabled: %s=%s" % (name, flags))
ns3.LogComponentEnable(name, flags)
# Add applications
assert "apps" in config
for app in config["apps"]:
available_applications = ns3_lib.get_available_applications()
assert (app["type"] in available_applications), \
"Application type '%s' not found, available: %s" % \
(app["type"], ", ".join(available_applications.keys()))
app_kwargs = filter_dict_by_keys(app, ["type"])
app_func = available_applications[app["type"]]
logging.debug("Add application: %s (%s)" % (app["type"], app_kwargs))
app_func(network, **app_kwargs)
for flow in config.get("wimax_service_flows", []):
logging.debug("Add service flow: %s" % flow)
ns3_lib.add_wimax_service_flow(network, **flow)
# Enable flow-monitor & tracking
interval = config["simulation"].get("interval", 0.1)
logging.debug("Flow monitor interval: %s seconds" % interval)
monitor_info = ns3_lib.enable_monitor(network, interval)
for options in config["results"].get("save_pcap", []):
device = network.nodes[options["node"]].devices[options["device"]]
device.phy_helper.EnablePcap(options["filename"], device.ns3_device)
logging.debug("Enable pcap for %s:%s" %
(options["node"], options["device"]))
# Start simulation
duration = config["simulation"].get("duration")
ns3_lib.run_simulation(network, duration)
# Results
ns3_lib.print_monitor_results(monitor_info, stream=stream)
if "monitor" in config["results"]:
xmlfile = results["monitor"].get("save_xml")
if xmlfile:
ns3_lib.save_monitor_xmldata(monitor_info, xmlfile)
for plot in config["results"].get("plots", []):
available_plots = ns3_lib.get_available_plots()
assert (plot["type"] in available_plots), \
"Plot type '%s' not found, available: %s" % \
(plot["type"], ", ".join(available_plots.keys()))
plot_func = available_plots[plot["type"]]
plot_kwargs = filter_dict_by_keys(plot, ["type"])
plot_func(monitor_info, **plot_kwargs)