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udp-client-server.cc
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16 
17 // Network topology
18 //
19 // n0 n1
20 // | |
21 // =======
22 // LAN
23 //
24 // - UDP flows from n0 to n1
25 
26 #include <fstream>
27 #include "ns3/core-module.h"
28 #include "ns3/core-module.h"
29 #include "ns3/csma-module.h"
30 #include "ns3/applications-module.h"
31 #include "ns3/internet-module.h"
32 
33 using namespace ns3;
34 
35 NS_LOG_COMPONENT_DEFINE ("UdpClientServerExample");
36 
37 int
38 main (int argc, char *argv[])
39 {
40 //
41 // Enable logging for UdpClient and
42 //
43  LogComponentEnable ("UdpClient", LOG_LEVEL_INFO);
44  LogComponentEnable ("UdpServer", LOG_LEVEL_INFO);
45 
46  bool useV6 = false;
47  Address serverAddress;
48 
49  CommandLine cmd;
50  cmd.AddValue ("useIpv6", "Use Ipv6", useV6);
51  cmd.Parse (argc, argv);
52 
53 //
54 // Explicitly create the nodes required by the topology (shown above).
55 //
56  NS_LOG_INFO ("Create nodes.");
57  NodeContainer n;
58  n.Create (2);
59 
60  InternetStackHelper internet;
61  internet.Install (n);
62 
63  NS_LOG_INFO ("Create channels.");
64 //
65 // Explicitly create the channels required by the topology (shown above).
66 //
67  CsmaHelper csma;
68  csma.SetChannelAttribute ("DataRate", DataRateValue (DataRate (5000000)));
69  csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
70  csma.SetDeviceAttribute ("Mtu", UintegerValue (1400));
71  NetDeviceContainer d = csma.Install (n);
72 
73 //
74 // We've got the "hardware" in place. Now we need to add IP addresses.
75 //
76  NS_LOG_INFO ("Assign IP Addresses.");
77  if (useV6 == false)
78  {
79  Ipv4AddressHelper ipv4;
80  ipv4.SetBase ("10.1.1.0", "255.255.255.0");
81  Ipv4InterfaceContainer i = ipv4.Assign (d);
82  serverAddress = Address (i.GetAddress (1));
83  }
84  else
85  {
86  Ipv6AddressHelper ipv6;
87  ipv6.SetBase ("2001:0000:f00d:cafe::", Ipv6Prefix (64));
88  Ipv6InterfaceContainer i6 = ipv6.Assign (d);
89  serverAddress = Address(i6.GetAddress (1,1));
90  }
91 
92  NS_LOG_INFO ("Create Applications.");
93 //
94 // Create one udpServer applications on node one.
95 //
96  uint16_t port = 4000;
97  UdpServerHelper server (port);
98  ApplicationContainer apps = server.Install (n.Get (1));
99  apps.Start (Seconds (1.0));
100  apps.Stop (Seconds (10.0));
101 
102 //
103 // Create one UdpClient application to send UDP datagrams from node zero to
104 // node one.
105 //
106  uint32_t MaxPacketSize = 1024;
107  Time interPacketInterval = Seconds (0.05);
108  uint32_t maxPacketCount = 320;
109  UdpClientHelper client (serverAddress, port);
110  client.SetAttribute ("MaxPackets", UintegerValue (maxPacketCount));
111  client.SetAttribute ("Interval", TimeValue (interPacketInterval));
112  client.SetAttribute ("PacketSize", UintegerValue (MaxPacketSize));
113  apps = client.Install (n.Get (0));
114  apps.Start (Seconds (2.0));
115  apps.Stop (Seconds (10.0));
116 
117 //
118 // Now, do the actual simulation.
119 //
120  NS_LOG_INFO ("Run Simulation.");
121  Simulator::Run ();
123  NS_LOG_INFO ("Done.");
124 }
holds a vector of ns3::Application pointers.
Simulation virtual time values and global simulation resolution.
Definition: nstime.h:79
void SetChannelAttribute(std::string n1, const AttributeValue &v1)
Definition: csma-helper.cc:69
Keep track of a set of IPv6 interfaces.
holds a vector of std::pair of Ptr and interface index.
static void Run(void)
Run the simulation until one of:
Definition: simulator.cc:157
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:170
aggregate IP/TCP/UDP functionality to existing Nodes.
void SetBase(Ipv6Address network, Ipv6Prefix prefix, Ipv6Address base=Ipv6Address("::1"))
Set the base network number, network prefix, and base interface ID.
NetDeviceContainer Install(Ptr< Node > node) const
This method creates an ns3::CsmaChannel with the attributes configured by CsmaHelper::SetChannelAttri...
Definition: csma-helper.cc:215
#define NS_LOG_INFO(msg)
Use NS_LOG to output a message of level LOG_INFO.
Definition: log.h:223
ApplicationContainer Install(NodeContainer c)
uint16_t port
Definition: dsdv-manet.cc:44
a polymophic address class
Definition: address.h:86
Ipv6InterfaceContainer Assign(const NetDeviceContainer &c)
Allocate an Ipv6InterfaceContainer with auto-assigned addresses.
Class for representing data rates.
Definition: data-rate.h:71
int main(int argc, char *argv[])
Create a client application which sends UDP packets carrying a 32bit sequence number and a 64 bit tim...
hold objects of type ns3::Time
Definition: nstime.h:1008
Hold an unsigned integer type.
Definition: uinteger.h:46
holds a vector of ns3::NetDevice pointers
Create a server application which waits for input UDP packets and uses the information carried into t...
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:177
static void Destroy(void)
Every event scheduled by the Simulator::insertAtDestroy method is invoked.
Definition: simulator.cc:121
void SetAttribute(std::string name, const AttributeValue &value)
Record an attribute to be set in each Application after it is is created.
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...
build a set of CsmaNetDevice objects
Definition: csma-helper.h:46
void SetDeviceAttribute(std::string n1, const AttributeValue &v1)
Definition: csma-helper.cc:63
Helper class to auto-assign global IPv6 unicast addresses.
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...
ApplicationContainer Install(NodeContainer c)
Create one UDP server application on each of the Nodes in the NodeContainer.
hold objects of type ns3::DataRate
void AddValue(const std::string &name, const std::string &help, T &value)
Add a program argument, assigning to POD.
Definition: command-line.h:435
Ptr< Node > Get(uint32_t i) const
Get the Ptr stored in this container at a given index.
Describes an IPv6 prefix.
Definition: ipv6-address.h:387
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.
Ipv6Address GetAddress(uint32_t i, uint32_t j) const
Get the address for the specified index.
void SetBase(Ipv4Address network, Ipv4Mask mask, Ipv4Address base="0.0.0.1")
Set the base network number, network mask and base address.
void LogComponentEnable(char const *name, enum LogLevel level)
Enable the logging output associated with that log component.
Definition: log.cc:318
Ipv4Address GetAddress(uint32_t i, uint32_t j=0) const