A Discrete-Event Network Simulator
API
first.cc
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16 
17 #include "ns3/core-module.h"
18 #include "ns3/network-module.h"
19 #include "ns3/internet-module.h"
20 #include "ns3/point-to-point-module.h"
21 #include "ns3/applications-module.h"
22 
23 // Default Network Topology
24 //
25 // 10.1.1.0
26 // n0 -------------- n1
27 // point-to-point
28 //
29 
30 using namespace ns3;
31 
32 NS_LOG_COMPONENT_DEFINE ("FirstScriptExample");
33 
34 int
35 main (int argc, char *argv[])
36 {
37  CommandLine cmd (__FILE__);
38  cmd.Parse (argc, argv);
39 
41  LogComponentEnable ("UdpEchoClientApplication", LOG_LEVEL_INFO);
42  LogComponentEnable ("UdpEchoServerApplication", LOG_LEVEL_INFO);
43 
45  nodes.Create (2);
46 
48  pointToPoint.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));
49  pointToPoint.SetChannelAttribute ("Delay", StringValue ("2ms"));
50 
52  devices = pointToPoint.Install (nodes);
53 
55  stack.Install (nodes);
56 
58  address.SetBase ("10.1.1.0", "255.255.255.0");
59 
61 
63 
64  ApplicationContainer serverApps = echoServer.Install (nodes.Get (1));
65  serverApps.Start (Seconds (1.0));
66  serverApps.Stop (Seconds (10.0));
67 
68  UdpEchoClientHelper echoClient (interfaces.GetAddress (1), 9);
69  echoClient.SetAttribute ("MaxPackets", UintegerValue (1));
70  echoClient.SetAttribute ("Interval", TimeValue (Seconds (1.0)));
71  echoClient.SetAttribute ("PacketSize", UintegerValue (1024));
72 
73  ApplicationContainer clientApps = echoClient.Install (nodes.Get (0));
74  clientApps.Start (Seconds (2.0));
75  clientApps.Stop (Seconds (10.0));
76 
77  Simulator::Run ();
79  return 0;
80 }
ns3::NetDeviceContainer
holds a vector of ns3::NetDevice pointers
Definition: net-device-container.h:42
NS_LOG_COMPONENT_DEFINE
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:205
ns3::CommandLine
Parse command-line arguments.
Definition: command-line.h:228
ns3::LOG_LEVEL_INFO
@ LOG_LEVEL_INFO
LOG_INFO and above.
Definition: log.h:107
ns3::Time::NS
@ NS
nanosecond
Definition: nstime.h:118
ns3
Every class exported by the ns3 library is enclosed in the ns3 namespace.
ns3::Ipv4AddressHelper
A helper class to make life easier while doing simple IPv4 address assignment in scripts.
Definition: ipv4-address-helper.h:48
ns3::UdpEchoClientHelper
Create an application which sends a UDP packet and waits for an echo of this packet.
Definition: udp-echo-helper.h:107
ns3::LogComponentEnable
void LogComponentEnable(char const *name, enum LogLevel level)
Enable the logging output associated with that log component.
Definition: log.cc:361
first.devices
devices
Definition: first.py:39
first.nodes
nodes
Definition: first.py:32
first.stack
stack
Definition: first.py:41
ns3::Ipv4InterfaceContainer
holds a vector of std::pair of Ptr<Ipv4> and interface index.
Definition: ipv4-interface-container.h:55
first.address
address
Definition: first.py:44
second.cmd
cmd
Definition: second.py:35
ns3::Simulator::Run
static void Run(void)
Run the simulation.
Definition: simulator.cc:172
ns3::StringValue
Hold variables of type string.
Definition: string.h:41
first.echoClient
echoClient
Definition: first.py:56
first.interfaces
interfaces
Definition: first.py:48
first.clientApps
clientApps
Definition: first.py:61
ns3::Seconds
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1289
ns3::Simulator::Destroy
static void Destroy(void)
Execute the events scheduled with ScheduleDestroy().
Definition: simulator.cc:136
ns3::ApplicationContainer
holds a vector of ns3::Application pointers.
Definition: application-container.h:43
first.serverApps
serverApps
Definition: first.py:52
first.pointToPoint
pointToPoint
Definition: first.py:35
ns3::TimeValue
AttributeValue implementation for Time.
Definition: nstime.h:1353
ns3::PointToPointHelper
Build a set of PointToPointNetDevice objects.
Definition: point-to-point-helper.h:45
ns3::NodeContainer
keep track of a set of node pointers.
Definition: node-container.h:39
ns3::UintegerValue
Hold an unsigned integer type.
Definition: uinteger.h:44
ns3::UdpEchoServerHelper
Create a server application which waits for input UDP packets and sends them back to the original sen...
Definition: udp-echo-helper.h:38
ns3::InternetStackHelper
aggregate IP/TCP/UDP functionality to existing Nodes.
Definition: internet-stack-helper.h:88
first.echoServer
echoServer
Definition: first.py:50
ns3::Time::SetResolution
static void SetResolution(enum Unit resolution)
Definition: time.cc:223