diff --git a/examples/csma-one-subnet.cc b/examples/csma-one-subnet.cc index 23514b117..28d1f403b 100644 --- a/examples/csma-one-subnet.cc +++ b/examples/csma-one-subnet.cc @@ -61,8 +61,8 @@ main (int argc, char *argv[]) // Explicitly create the nodes required by the topology (shown above). // NS_LOG_INFO ("Create nodes."); - NodeContainer c; - c.Create (4); + NodeContainer nodes; + nodes.Create (4); NS_LOG_INFO ("Build Topology"); CsmaHelper csma; @@ -70,24 +70,19 @@ main (int argc, char *argv[]) csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2))); // // Now fill out the topology by creating the net devices required to connect -// the nodes to the channels and hooking them up. AddIpv4CsmaNetDevice will -// create a net device, add a MAC address (in memory of the pink flamingo) and -// connect the net device to a nodes and also to a channel. the -// AddIpv4CsmaNetDevice method returns a net device index for the net device -// created on the node. Interpret nd0 as the net device we created for node -// zero. +// the nodes to the channels and hooking them up. // - NetDeviceContainer nd0 = csma.Install (c); + NetDeviceContainer devices = csma.Install (nodes); InternetStackHelper internet; - internet.Install (c); + internet.Install (nodes); // We've got the "hardware" in place. Now we need to add IP addresses. // NS_LOG_INFO ("Assign IP Addresses."); Ipv4AddressHelper ipv4; ipv4.SetBase ("10.1.1.0", "255.255.255.0"); - ipv4.Assign (nd0); + Ipv4InterfaceContainer interfaces = ipv4.Assign (devices); // // Create an OnOff application to send UDP datagrams from node zero to node 1. @@ -96,11 +91,11 @@ main (int argc, char *argv[]) uint16_t port = 9; // Discard port (RFC 863) OnOffHelper onoff ("ns3::UdpSocketFactory", - Address (InetSocketAddress (Ipv4Address ("10.1.1.2"), port))); + Address (InetSocketAddress (interfaces.GetAddress (1), port))); onoff.SetAttribute ("OnTime", RandomVariableValue (ConstantVariable (1))); onoff.SetAttribute ("OffTime", RandomVariableValue (ConstantVariable (0))); - ApplicationContainer app = onoff.Install (c.Get (0)); + ApplicationContainer app = onoff.Install (nodes.Get (0)); // Start the application app.Start (Seconds (1.0)); app.Stop (Seconds (10.0)); @@ -108,16 +103,16 @@ main (int argc, char *argv[]) // Create an optional packet sink to receive these packets PacketSinkHelper sink ("ns3::UdpSocketFactory", Address (InetSocketAddress (Ipv4Address::GetAny (), port))); - sink.Install (c.Get (1)); + sink.Install (nodes.Get (1)); // // Create a similar flow from n3 to n0, starting at time 1.1 seconds // onoff.SetAttribute ("Remote", - AddressValue (InetSocketAddress (Ipv4Address ("10.1.1.1"), port))); - ApplicationContainer app2 = onoff.Install (c.Get (3)); + AddressValue (InetSocketAddress (interfaces.GetAddress (0), port))); + ApplicationContainer app2 = onoff.Install (nodes.Get (3)); - sink.Install (c.Get (0)); + sink.Install (nodes.Get (0)); app2.Start(Seconds (1.1)); app2.Stop (Seconds (10.0));