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 using namespace ns3;
24 
25 NS_LOG_COMPONENT_DEFINE ("FirstScriptExample");
26 
27 int
28 main (int argc, char *argv[])
29 {
31  cmd.Parse (argc, argv);
32 
34  LogComponentEnable ("UdpEchoClientApplication", LOG_LEVEL_INFO);
35  LogComponentEnable ("UdpEchoServerApplication", LOG_LEVEL_INFO);
36 
38  nodes.Create (2);
39 
41  pointToPoint.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));
42  pointToPoint.SetChannelAttribute ("Delay", StringValue ("2ms"));
43 
45  devices = pointToPoint.Install (nodes);
46 
48  stack.Install (nodes);
49 
51  address.SetBase ("10.1.1.0", "255.255.255.0");
52 
54 
56 
57  ApplicationContainer serverApps = echoServer.Install (nodes.Get (1));
58  serverApps.Start (Seconds (1.0));
59  serverApps.Stop (Seconds (10.0));
60 
61  UdpEchoClientHelper echoClient (interfaces.GetAddress (1), 9);
62  echoClient.SetAttribute ("MaxPackets", UintegerValue (1));
63  echoClient.SetAttribute ("Interval", TimeValue (Seconds (1.0)));
64  echoClient.SetAttribute ("PacketSize", UintegerValue (1024));
65 
66  ApplicationContainer clientApps = echoClient.Install (nodes.Get (0));
67  clientApps.Start (Seconds (2.0));
68  clientApps.Stop (Seconds (10.0));
69 
70  Simulator::Run ();
72  return 0;
73 }
holds a vector of ns3::Application pointers.
nanosecond
Definition: nstime.h:117
holds a vector of std::pair of Ptr<Ipv4> and interface index.
Hold variables of type string.
Definition: string.h:41
serverApps
Definition: first.py:45
Create an application which sends a UDP packet and waits for an echo of this packet.
static void Run(void)
Run the simulation.
Definition: simulator.cc:170
echoServer
Definition: first.py:43
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:204
aggregate IP/TCP/UDP functionality to existing Nodes.
cmd
Definition: second.py:35
Build a set of PointToPointNetDevice objects.
stack
Definition: first.py:34
Create a server application which waits for input UDP packets and sends them back to the original sen...
void LogComponentEnable(char const *name, enum LogLevel level)
Enable the logging output associated with that log component.
Definition: log.cc:369
nodes
Definition: first.py:25
AttributeValue implementation for Time.
Definition: nstime.h:1124
echoClient
Definition: first.py:49
Hold an unsigned integer type.
Definition: uinteger.h:44
pointToPoint
Definition: first.py:28
LOG_INFO and above.
Definition: log.h:106
holds a vector of ns3::NetDevice pointers
Parse command-line arguments.
Definition: command-line.h:213
static void Destroy(void)
Execute the events scheduled with ScheduleDestroy().
Definition: simulator.cc:134
Every class exported by the ns3 library is enclosed in the ns3 namespace.
keep track of a set of node pointers.
address
Definition: first.py:37
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1062
interfaces
Definition: first.py:41
static void SetResolution(enum Unit resolution)
Definition: time.cc:180
clientApps
Definition: first.py:54
A helper class to make life easier while doing simple IPv4 address assignment in scripts.
devices
Definition: first.py:32