def startAndMonitorApps(self, resolution = 5):
self.serverApps.Stop(Seconds(0))
self.clientApps.Stop(Seconds(0))
# Set up a stats gathering event
self.serverAppsLastSample = [0 for i in range(self.serverApps.GetN())]
self.clientAppsLastSample = [0 for i in range(self.clientApps.GetN())]
self.monitorApps(resolution)
def testTimeComparison(self):
"""! Test time comparison
@param self this object
@return none
"""
self.assert_(Seconds(123) == Seconds(123))
self.assert_(Seconds(123) >= Seconds(123))
self.assert_(Seconds(123) <= Seconds(123))
self.assert_(Seconds(124) > Seconds(123))
self.assert_(Seconds(123) < Seconds(124))
def testScheduleDestroy(self):
"""! Test schedule destroy
@param self this object
@return none
"""
def callback(args):
"""! Callback function
@param args
@return none
"""
self._args_received = args
self._cb_time = Simulator.Now()
Simulator.Destroy()
self._args_received = None
self._cb_time = None
def null():
pass
Simulator.Schedule(Seconds(123), null)
Simulator.ScheduleDestroy(callback, "args")
Simulator.Run()
Simulator.Destroy()
self.assertEqual(self._args_received, "args")
self.assertEqual(self._cb_time.GetSeconds(), 123.0)
def testSchedule(self):
def callback(args):
self._args_received = args
self._cb_time = Simulator.Now()
Simulator.Destroy()
self._args_received = None
self._cb_time = None
Simulator.Schedule(Seconds(123), callback, "args")
Simulator.Run()
self.assertEqual(self._args_received, "args")
self.assertEqual(self._cb_time.GetSeconds(), 123.0)
def testScheduleWithContext(self):
def callback(context, args):
self._context_received = context
self._args_received = args
self._cb_time = Simulator.Now()
Simulator.Destroy()
self._args_received = None
self._cb_time = None
self._context_received = None
Simulator.ScheduleWithContext(54321, Seconds(123), callback, "args")
Simulator.Run()
self.assertEqual(self._context_received, 54321)
self.assertEqual(self._args_received, "args")
self.assertEqual(self._cb_time.GetSeconds(), 123.0)
def testTimeNumericOperations(self):
"""! Test numeric operations
@param self this object
@return none
"""
self.assertEqual(Seconds(10) + Seconds(5), Seconds(15))
self.assertEqual(Seconds(10) - Seconds(5), Seconds(5))
v1 = int64x64_t(5.0) * int64x64_t(10)
self.assertEqual(v1, int64x64_t(50))
def monitorApps(self, resolution = 5):
nApps = self.serverApps.GetN()
at = [self.serverApps.Get(i).GetTotalRx() for i in range(nApps)]
delta = [at[i] - self.serverAppsLastSample[i] for i in range(nApps)]
self.serverAppsLastSample = at
self.serverAppStats.append(delta)
nApps = self.clientApps.GetN()
at = [self.clientApps.Get(i).GetTotalBytes() for i in range(nApps)]
delta = [at[i] - self.clientAppsLastSample[i] for i in range(nApps)]
self.clientAppsLastSample = at
self.clientAppStats.append(delta)
#print('at %d got %s' % (ns.core.Simulator.Now().GetSeconds(), delta))
#print(self.enbNodes.Get(0).GetObject(ns.mobility.MobilityModel.GetTypeId()).GetPosition())
ns.core.Simulator.Schedule(Seconds(float(resolution)), lambda: self.monitorApps(resolution))
def run(self, time):
from tqdm.auto import tqdm
pbar = tqdm(unit = ' sim seconds', total = int(time))
# Keep track of time
def logTime():
now = ns.core.Simulator.Now().GetSeconds()
pbar.n = int(now)
pbar.update(0)
ns.core.Simulator.Schedule(Seconds(1), logTime)
logTime()
# Start apps
self.serverApps.Start(MilliSeconds(0))
self.clientApps.Start(MilliSeconds(0))
ns.core.Simulator.Stop(Seconds(time))
ns.core.Simulator.Run()
pbar.n = pbar.total
pbar.refresh()
def testScheduleWithContext(self):
"""! Test schedule with context
@param self this object
@return none
"""
def callback(context, args):
"""! Callback
@param context the cntet
@param args the arguments
@return none
"""
self._context_received = context
self._args_received = args
self._cb_time = Simulator.Now()
Simulator.Destroy()
self._args_received = None
self._cb_time = None
self._context_received = None
Simulator.ScheduleWithContext(54321, Seconds(123), callback, "args")
Simulator.Run()
self.assertEqual(self._context_received, 54321)
self.assertEqual(self._args_received, "args")
self.assertEqual(self._cb_time.GetSeconds(), 123.0)
print(left_node_1_address)
right_node_1 = point_to_point_dumbbell_helper.GetRight(0)
right_node_1_address = right_node_1.GetDevice(1).GetAddress()
print(right_node_1_address)
left_node_2 = point_to_point_dumbbell_helper.GetLeft(1)
left_node_2_address = left_node_2.GetDevice(1).GetAddress()
print(left_node_2_address)
right_node_2 = point_to_point_dumbbell_helper.GetRight(1)
right_node_2_address = right_node_2.GetDevice(1).GetAddress()
print(right_node_2_address)
udp_echo_server_helper = UdpEchoServerHelper(50000)
server = udp_echo_server_helper.Install(left_node_1)
server.Start(Seconds(1.0))
server.Stop(Seconds(10.0))
udp_echo_client_helper = UdpEchoClientHelper(Ipv4Address("10.1.1.1"), 50000)
udp_echo_client_helper.SetAttribute("MaxPackets", UintegerValue(1000))
udp_echo_client_helper.SetAttribute("Interval", TimeValue(Seconds(1.0)))
#udp_echo_client_helper.SetAttribute("Interval", TimeValue(Seconds(0.1)))
#udp_echo_client_helper.SetAttribute("Interval", TimeValue(Seconds(0.01)))
udp_echo_client_helper.SetAttribute("PacketSize", UintegerValue(1024))
#em1 = Ptr()
#em1 = CreateObjectWithAttributes("RanVar", StringValue ("ns3::UniformRandomVariable[Min=0.0,Max=1.0]"), "ErrorRate", DoubleValue (0.01));
#udp_echo_client_helper.SetAttribute("RecieveErrorModel", PointerValue(em1))
client_1 = udp_echo_client_helper.Install(right_node_1)
client_1.Start(Seconds(2.0))
def logTime():
now = ns.core.Simulator.Now().GetSeconds()
pbar.n = int(now)
pbar.update(0)
ns.core.Simulator.Schedule(Seconds(1), logTime)
def stopAppsAt(self, dt):
self.serverApps.Stop(Seconds(float(dt)))
self.clientApps.Stop(Seconds(float(dt)))
def testTimeNumericOperations(self):
self.assertEqual(Seconds(10) + Seconds(5), Seconds(15))
self.assertEqual(Seconds(10) - Seconds(5), Seconds(5))
v1 = int64x64_t(5.0) * int64x64_t(10)
self.assertEqual(v1, int64x64_t(50))
def testTimeComparison(self):
self.assert_(Seconds(123) == Seconds(123))
self.assert_(Seconds(123) >= Seconds(123))
self.assert_(Seconds(123) <= Seconds(123))
self.assert_(Seconds(124) > Seconds(123))
self.assert_(Seconds(123) < Seconds(124))
pointToPointStarHelper = PointToPointStarHelper(5, pointToPointHelper)
# Install Internet Stack On All Nodes
internetStackHelper = InternetStackHelper()
pointToPointStarHelper.InstallStack(internetStackHelper)
# Assign IP Address
pointToPointStarHelper.AssignIpv4Addresses(
Ipv4AddressHelper(Ipv4Address("10.1.1.0"), Ipv4Mask("255.255.255.0")))
# Create A Packet Sink On The Star "Hub" To Recieve Packets
hubLocalAddress = Address(InetSocketAddress(Ipv4Address.GetAny(), 50000))
packetSinkHelper = PacketSinkHelper("ns3::TcpSocketFactory", hubLocalAddress)
hubApp = ApplicationContainer()
hubApp = packetSinkHelper.Install(pointToPointStarHelper.GetHub())
hubApp.Start(Seconds(1.0))
hubApp.Stop(Seconds(10.0))
# Create On-Off Applications To Send TCP To The Hub. One On Each Spoke Node.
onOffHelper = OnOffHelper("ns3::TcpSocketFactory", Address())
onOffHelper.SetAttribute(
"OnTime", StringValue("ns3::ConstantRandomVariable[Constant=1]"))
onOffHelper.SetAttribute(
"OffTime", StringValue("ns3::ConstantRandomVariable[Constant=0]"))
spokeApps = ApplicationContainer()
spokeCount = pointToPointStarHelper.SpokeCount()
for i in range(spokeCount):
remoteAddress = AddressValue(
InetSocketAddress(pointToPointStarHelper.GetHubIpv4Address(i), 50000))
# remote
remoteAddress = AddressValue(
InetSocketAddress(ipv4InterfaceContainer3.GetAddress(1, 0), 50000))
#remoteAddress(InetSocketAddress(ipv4InterfaceContainer3.GetAddress(1, 0), 50000))
ftp = BulkSendHelper("ns3::TcpSocketFactory", Address())
#ftp max 5MB
ftp.SetAttribute("Remote", remoteAddress)
ftp.SetAttribute("MaxBytes", UintegerValue(5242880))
sourceApp1 = ApplicationContainer()
sourceApp1 = ftp.Install(net1Nodes.Get(0))
sourceApp1.Start(Seconds(2.0))
sourceApp1.Stop(Seconds(4.0))
sourceApp2 = ApplicationContainer()
sourceApp2 = ftp.Install(net2Nodes.Get(1))
sourceApp2.Start(Seconds(2.0))
sourceApp2.Stop(Seconds(4.0))
# sink
sinkAddress = Address(InetSocketAddress(Ipv4Address.GetAny(), 50000))
sinkHelper = PacketSinkHelper("ns3::TcpSocketFactory", sinkAddress)
sinkApps = ApplicationContainer()
sinkApps = sinkHelper.Install(net3Nodes.Get(1))