#! /usr/bin/env python
import roslib; roslib.load_manifest('network_monitor_udp')
import rospy
from network_monitor_udp.linktest import UdpmonsourceHandle
from network_monitor_udp.linktest import LinkTest
from network_monitor_udp.msg import LinktestGoal
if __name__ == '__main__':
rospy.init_node('test_node')
source = UdpmonsourceHandle()
source.cancel_all_tests()
try:
print "Link capacity: %.2fMbit/s"%(source.get_link_capacity(sink_ip="127.0.0.1", sink_port=12345)/1e6)
finally:
source.cancel_all_tests()
class AdaptiveBandwidthTest(unittest.TestCase):
def __init__(self, *args):
super(AdaptiveBandwidthTest, self).__init__(*args)
rospy.init_node('network_monitor_udp_test')
self.srcnode = UdpmonsourceHandle('performance_test')
self.tc = TcPortControl(self)
self.tc.reset()
def setUp(self):
self.srcnode.cancel_all_tests()
self.tc.init()
def tearDown(self):
self.tc.reset()
def test_ramp_up(self):
test = self.srcnode.create_test(bw = 1.0*10**6, pktsize = 1500, duration = 5.0,
sink_ip = "127.0.0.1", sink_port = 12345,
bw_type = LinktestGoal.BW_ADAPTIVE, update_interval = 0.2,
latency_threshold = 0.1)
self.tc.set_rate_limit(5e6)
test.start()
time.sleep(5.5)
self.assertTrue(test.bandwidth.movavg(5) > 4.3e6 and test.bandwidth.movavg(5) < 5.7e6,
"Expected capacity on loopback interface to be ~5Mbit/s, instead it was %.2fMbit/s"%
(test.bandwidth.movavg(5)/1e6))
def test_ramp_down(self):
test = self.srcnode.create_test(bw = 5.0*10**6, pktsize = 1500, duration = 5.0,
sink_ip = "127.0.0.1", sink_port = 12345,
bw_type = LinktestGoal.BW_ADAPTIVE, update_interval = 0.2,
latency_threshold = 0.1)
self.tc.set_rate_limit(5e6)
test.start()
time.sleep(2.0)
self.tc.set_rate_limit(1e6)
time.sleep(3.0)
self.assertTrue(test.bandwidth.movavg(5) > 0.6e6 and test.bandwidth.movavg(5) < 1.4e6,
"Expected capacity on loopback interface to be ~1Mbit/s, instead it was %.2fMbit/s"%
(test.bandwidth.movavg(5)/1e6))
def test_varying_capacity(self):
test = self.srcnode.create_test(bw = 2*10**6, pktsize = 1500, duration = 15.0,
sink_ip = "127.0.0.1", sink_port = 12345,
bw_type = LinktestGoal.BW_ADAPTIVE, update_interval = 0.2,
latency_threshold = 0.1)
self.tc.set_rate_limit(10e6)
test.start()
time.sleep(4.0)
self.assertTrue(test.bandwidth.movavg(5) > 9e6 and test.bandwidth.movavg(5) < 11e6,
"Expected capacity on loopback interface to be ~10Mbit/s, instead it was %.2fMbit/s"%
(test.bandwidth.movavg(5)/1e6))
self.tc.set_rate_limit(1e6)
time.sleep(4.0)
self.assertTrue(test.bandwidth.movavg(5) > 0.6e6 and test.bandwidth.movavg(5) < 1.4e6,
"Expected capacity on loopback interface to be ~1Mbit/s, instead it was %.2fMbit/s"%
(test.bandwidth.movavg(5)/1e6))
self.tc.set_rate_limit(5e6)
time.sleep(6.0)
self.assertTrue(test.bandwidth.movavg(5) > 3.5e6 and test.bandwidth.movavg(5) < 5.7e6,
"Expected capacity on loopback interface to be ~5Mbit/s, instead it was %.2fMbit/s"%
(test.bandwidth.movavg(5)/1e6))
def test_get_capacity(self):
self.tc.set_rate_limit(5e6)
capacity = self.srcnode.get_link_capacity(sink_ip = "127.0.0.1", sink_port = 12345, latency_threshold = 0.1)
self.assertTrue(capacity > 4.3e6 and capacity < 5.7e6,
"Expected capacity on loopback interface to be ~5Mbit/s, instead it was %.2fMbit/s"%
(capacity/1e6))
self.tc.set_rate_limit(20e6)
capacity = self.srcnode.get_link_capacity(sink_ip = "127.0.0.1", sink_port = 12345, latency_threshold = 0.1)
self.assertTrue(capacity > 15e6 and capacity < 25e6,
"Expected capacity on loopback interface to be ~20Mbit/s, instead it was %.2fMbit/s"%
(capacity/1e6))
self.tc.set_rate_limit(0.5e6)
capacity = self.srcnode.get_link_capacity(sink_ip = "127.0.0.1", sink_port = 12345, latency_threshold = 0.1)
self.assertTrue(capacity > 0.3e6 and capacity < 0.7e6,
"Expected capacity on loopback interface to be ~0.5Mbit/s, instead it was %.2fMbit/s"%
(capacity/1e6))
class AdaptiveBandwidthTest(unittest.TestCase):
def __init__(self, *args):
super(AdaptiveBandwidthTest, self).__init__(*args)
rospy.init_node('network_monitor_udp_test')
self.srcnode = UdpmonsourceHandle('performance_test')
self.tc = TcPortControl(self)
self.tc.reset()
def setUp(self):
self.srcnode.cancel_all_tests()
self.tc.init()
def tearDown(self):
self.tc.reset()
def test_ramp_up(self):
test = self.srcnode.create_test(bw=1.0 * 10**6,
pktsize=1500,
duration=5.0,
sink_ip="127.0.0.1",
sink_port=12345,
bw_type=LinktestGoal.BW_ADAPTIVE,
update_interval=0.2,
latency_threshold=0.1)
self.tc.set_rate_limit(5e6)
test.start()
time.sleep(5.5)
self.assertTrue(
test.bandwidth.movavg(5) > 4.3e6
and test.bandwidth.movavg(5) < 5.7e6,
"Expected capacity on loopback interface to be ~5Mbit/s, instead it was %.2fMbit/s"
% (test.bandwidth.movavg(5) / 1e6))
def test_ramp_down(self):
test = self.srcnode.create_test(bw=5.0 * 10**6,
pktsize=1500,
duration=5.0,
sink_ip="127.0.0.1",
sink_port=12345,
bw_type=LinktestGoal.BW_ADAPTIVE,
update_interval=0.2,
latency_threshold=0.1)
self.tc.set_rate_limit(5e6)
test.start()
time.sleep(2.0)
self.tc.set_rate_limit(1e6)
time.sleep(3.0)
self.assertTrue(
test.bandwidth.movavg(5) > 0.6e6
and test.bandwidth.movavg(5) < 1.4e6,
"Expected capacity on loopback interface to be ~1Mbit/s, instead it was %.2fMbit/s"
% (test.bandwidth.movavg(5) / 1e6))
def test_varying_capacity(self):
test = self.srcnode.create_test(bw=2 * 10**6,
pktsize=1500,
duration=15.0,
sink_ip="127.0.0.1",
sink_port=12345,
bw_type=LinktestGoal.BW_ADAPTIVE,
update_interval=0.2,
latency_threshold=0.1)
self.tc.set_rate_limit(10e6)
test.start()
time.sleep(4.0)
self.assertTrue(
test.bandwidth.movavg(5) > 9e6 and test.bandwidth.movavg(5) < 11e6,
"Expected capacity on loopback interface to be ~10Mbit/s, instead it was %.2fMbit/s"
% (test.bandwidth.movavg(5) / 1e6))
self.tc.set_rate_limit(1e6)
time.sleep(4.0)
self.assertTrue(
test.bandwidth.movavg(5) > 0.6e6
and test.bandwidth.movavg(5) < 1.4e6,
"Expected capacity on loopback interface to be ~1Mbit/s, instead it was %.2fMbit/s"
% (test.bandwidth.movavg(5) / 1e6))
self.tc.set_rate_limit(5e6)
time.sleep(6.0)
self.assertTrue(
test.bandwidth.movavg(5) > 3.5e6
and test.bandwidth.movavg(5) < 5.7e6,
"Expected capacity on loopback interface to be ~5Mbit/s, instead it was %.2fMbit/s"
% (test.bandwidth.movavg(5) / 1e6))
def test_get_capacity(self):
self.tc.set_rate_limit(5e6)
capacity = self.srcnode.get_link_capacity(sink_ip="127.0.0.1",
sink_port=12345,
latency_threshold=0.1)
self.assertTrue(
capacity > 4.3e6 and capacity < 5.7e6,
"Expected capacity on loopback interface to be ~5Mbit/s, instead it was %.2fMbit/s"
% (capacity / 1e6))
self.tc.set_rate_limit(20e6)
capacity = self.srcnode.get_link_capacity(sink_ip="127.0.0.1",
sink_port=12345,
latency_threshold=0.1)
self.assertTrue(
capacity > 15e6 and capacity < 25e6,
"Expected capacity on loopback interface to be ~20Mbit/s, instead it was %.2fMbit/s"
% (capacity / 1e6))
self.tc.set_rate_limit(0.5e6)
capacity = self.srcnode.get_link_capacity(sink_ip="127.0.0.1",
sink_port=12345,
latency_threshold=0.1)
self.assertTrue(
capacity > 0.3e6 and capacity < 0.7e6,
"Expected capacity on loopback interface to be ~0.5Mbit/s, instead it was %.2fMbit/s"
% (capacity / 1e6))
#! /usr/bin/env python
import roslib
roslib.load_manifest("network_monitor_udp")
import rospy
from network_monitor_udp.linktest import UdpmonsourceHandle
from network_monitor_udp.linktest import LinkTest
from network_monitor_udp.msg import LinktestGoal
if __name__ == "__main__":
rospy.init_node("test_node")
source = UdpmonsourceHandle()
source.cancel_all_tests()
try:
print "Link capacity: %.2fMbit/s" % (source.get_link_capacity(sink_ip="127.0.0.1", sink_port=12345) / 1e6)
finally:
source.cancel_all_tests()
