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use better variable names.

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This commit is contained in:
Mathieu Lacage
2008-09-23 16:14:00 -07:00
parent 97b7179161
commit a7b4e36b84
1 changed files with 12 additions and 17 deletions
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29
examples/csma-one-subnet.cc
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@@ -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));