A Discrete-Event Network Simulator
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Properties Friends Macros Groups Pages
Go to the documentation of this file.
1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * This program is free software; you can redistribute it and/or modify
4  * it under the terms of the GNU General Public License version 2 as
5  * published by the Free Software Foundation;
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * GNU General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * along with this program; if not, write to the Free Software
14  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
15  */
17 #include "ns3/core-module.h"
18 #include "ns3/network-module.h"
19 #include "ns3/csma-module.h"
20 #include "ns3/internet-module.h"
21 #include "ns3/point-to-point-module.h"
22 #include "ns3/applications-module.h"
23 #include "ns3/ipv4-global-routing-helper.h"
25 // Default Network Topology
26 //
27 //
28 // n0 -------------- n1 n2 n3 n4
29 // point-to-point | | | |
30 // ================
31 // LAN
34 using namespace ns3;
36 NS_LOG_COMPONENT_DEFINE ("SecondScriptExample");
38 int
39 main (int argc, char *argv[])
40 {
41  bool verbose = true;
42  uint32_t nCsma = 3;
44  CommandLine cmd;
45  cmd.AddValue ("nCsma", "Number of \"extra\" CSMA nodes/devices", nCsma);
46  cmd.AddValue ("verbose", "Tell echo applications to log if true", verbose);
48  cmd.Parse (argc,argv);
50  if (verbose)
51  {
52  LogComponentEnable ("UdpEchoClientApplication", LOG_LEVEL_INFO);
53  LogComponentEnable ("UdpEchoServerApplication", LOG_LEVEL_INFO);
54  }
56  nCsma = nCsma == 0 ? 1 : nCsma;
58  NodeContainer p2pNodes;
59  p2pNodes.Create (2);
61  NodeContainer csmaNodes;
62  csmaNodes.Add (p2pNodes.Get (1));
63  csmaNodes.Create (nCsma);
66  pointToPoint.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));
67  pointToPoint.SetChannelAttribute ("Delay", StringValue ("2ms"));
69  NetDeviceContainer p2pDevices;
70  p2pDevices = pointToPoint.Install (p2pNodes);
72  CsmaHelper csma;
73  csma.SetChannelAttribute ("DataRate", StringValue ("100Mbps"));
74  csma.SetChannelAttribute ("Delay", TimeValue (NanoSeconds (6560)));
76  NetDeviceContainer csmaDevices;
77  csmaDevices = csma.Install (csmaNodes);
80  stack.Install (p2pNodes.Get (0));
81  stack.Install (csmaNodes);
84  address.SetBase ("", "");
85  Ipv4InterfaceContainer p2pInterfaces;
86  p2pInterfaces = address.Assign (p2pDevices);
88  address.SetBase ("", "");
89  Ipv4InterfaceContainer csmaInterfaces;
90  csmaInterfaces = address.Assign (csmaDevices);
94  ApplicationContainer serverApps = echoServer.Install (csmaNodes.Get (nCsma));
95  serverApps.Start (Seconds (1.0));
96  serverApps.Stop (Seconds (10.0));
98  UdpEchoClientHelper echoClient (csmaInterfaces.GetAddress (nCsma), 9);
99  echoClient.SetAttribute ("MaxPackets", UintegerValue (1));
100  echoClient.SetAttribute ("Interval", TimeValue (Seconds (1.0)));
101  echoClient.SetAttribute ("PacketSize", UintegerValue (1024));
103  ApplicationContainer clientApps = echoClient.Install (p2pNodes.Get (0));
104  clientApps.Start (Seconds (2.0));
105  clientApps.Stop (Seconds (10.0));
109  pointToPoint.EnablePcapAll ("second");
110  csma.EnablePcap ("second", csmaDevices.Get (1), true);
112  Simulator::Run ();
114  return 0;
115 }
holds a vector of ns3::Application pointers.
tuple pointToPoint
Definition: first.py:28
void SetChannelAttribute(std::string n1, const AttributeValue &v1)
Definition: csma-helper.cc:69
holds a vector of std::pair of Ptr and interface index.
static void PopulateRoutingTables(void)
Build a routing database and initialize the routing tables of the nodes in the simulation.
hold variables of type string
Definition: string.h:19
Ptr< NetDevice > Get(uint32_t i) const
Get the Ptr stored in this container at a given index.
NetDeviceContainer Install(NodeContainer c)
tuple echoServer
Definition: first.py:42
Create an application which sends a UDP packet and waits for an echo of this packet.
static void Run(void)
Run the simulation until one of:
Definition: simulator.cc:157
aggregate IP/TCP/UDP functionality to existing Nodes.
NetDeviceContainer Install(Ptr< Node > node) const
This method creates an ns3::CsmaChannel with the attributes configured by CsmaHelper::SetChannelAttri...
Definition: csma-helper.cc:215
Build a set of PointToPointNetDevice objects.
void SetDeviceAttribute(std::string name, const AttributeValue &value)
Set an attribute value to be propagated to each NetDevice created by the helper.
tuple clientApps
Definition: first.py:53
ApplicationContainer Install(Ptr< Node > node) const
Create a UdpEchoServerApplication on the specified Node.
int main(int argc, char *argv[])
Definition: second.cc:39
Create a server application which waits for input UDP packets and sends them back to the original sen...
void EnablePcapAll(std::string prefix, bool promiscuous=false)
Enable pcap output on each device (which is of the appropriate type) in the set of all nodes created ...
hold objects of type ns3::Time
Definition: nstime.h:961
Hold an unsigned integer type.
Definition: uinteger.h:46
holds a vector of ns3::NetDevice pointers
void Start(Time start)
Arrange for all of the Applications in this container to Start() at the Time given as a parameter...
Parse command-line arguments.
Definition: command-line.h:152
static void Destroy(void)
Every event scheduled by the Simulator::insertAtDestroy method is invoked.
Definition: simulator.cc:121
tuple echoClient
Definition: first.py:48
tuple serverApps
Definition: first.py:44
keep track of a set of node pointers.
void Install(std::string nodeName) const
Aggregate implementations of the ns3::Ipv4, ns3::Ipv6, ns3::Udp, and ns3::Tcp classes onto the provid...
tuple stack
Definition: first.py:34
build a set of CsmaNetDevice objects
Definition: csma-helper.h:46
void SetChannelAttribute(std::string name, const AttributeValue &value)
Set an attribute value to be propagated to each Channel created by the helper.
void Stop(Time stop)
Arrange for all of the Applications in this container to Stop() at the Time given as a parameter...
Ipv4InterfaceContainer Assign(const NetDeviceContainer &c)
Assign IP addresses to the net devices specified in the container based on the current network prefix...
void Add(NodeContainer other)
Append the contents of another NodeContainer to the end of this container.
void AddValue(const std::string &name, const std::string &help, T &value)
Add a program argument, assigning to POD.
Definition: command-line.h:408
Ptr< Node > Get(uint32_t i) const
Get the Ptr stored in this container at a given index.
void Parse(int argc, char *argv[])
Parse the program arguments.
A helper class to make life easier while doing simple IPv4 address assignment in scripts.
void Create(uint32_t n)
Create n nodes and append pointers to them to the end of this NodeContainer.
tuple address
Definition: first.py:37
void EnablePcap(std::string prefix, Ptr< NetDevice > nd, bool promiscuous=false, bool explicitFilename=false)
Enable pcap output the indicated net device.
void SetBase(Ipv4Address network, Ipv4Mask mask, Ipv4Address base="")
Set the base network number, network mask and base address.
void LogComponentEnable(char const *name, enum LogLevel level)
Definition: log.cc:311
bool verbose
Ipv4Address GetAddress(uint32_t i, uint32_t j=0) const