A Discrete-Event Network Simulator
API
nsclick-udp-client-server-csma.cc
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16 
17 // Adaptation of examples/udp/udp-client-server.cc for
18 // Click based nodes.
19 //
20 // Network topology
21 //
22 // 172.16.1.0/24
23 // (1.1) (1.2) (1.3)
24 // n0 n1 n2
25 // | | |
26 // =============
27 // LAN
28 //
29 // - UDP flows from n0 to n1 and n2 to n1
30 // - All nodes are Click based.
31 // - The single ethernet interface that each node
32 // uses is named 'eth0' in the Click file.
33 //
34 
35 #include <fstream>
36 #include "ns3/core-module.h"
37 #include "ns3/network-module.h"
38 #include "ns3/internet-module.h"
39 #include "ns3/csma-module.h"
40 #include "ns3/applications-module.h"
41 #include "ns3/ipv4-click-routing.h"
42 #include "ns3/click-internet-stack-helper.h"
43 
44 using namespace ns3;
45 
46 NS_LOG_COMPONENT_DEFINE ("NsclickUdpClientServerCsma");
47 
48 int
49 main (int argc, char *argv[])
50 {
51 #ifdef NS3_CLICK
52  std::string clickConfigFolder = "src/click/examples";
53 
55  cmd.AddValue ("clickConfigFolder", "Base folder for click configuration files", clickConfigFolder);
56  cmd.Parse (argc, argv);
57 
58 //
59 // Enable logging for UdpClient and
60 //
61  LogComponentEnable ("NsclickUdpClientServerCsma", LOG_LEVEL_INFO);
62 
63 //
64 // Explicitly create the nodes required by the topology (shown above).
65 //
66  NS_LOG_INFO ("Create nodes.");
68  n.Create (3);
69 
70  NS_LOG_INFO ("Create channels.");
71 //
72 // Explicitly create the channels required by the topology (shown above).
73 //
75  csma.SetChannelAttribute ("DataRate", DataRateValue (DataRate (5000000)));
76  csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
77  csma.SetDeviceAttribute ("Mtu", UintegerValue (1400));
78  NetDeviceContainer d = csma.Install (n);
79 
80 //
81 // Install Click on the nodes
82 //
83  ClickInternetStackHelper clickinternet;
84  clickinternet.SetClickFile (n, clickConfigFolder + "/nsclick-lan-single-interface.click");
85  clickinternet.SetRoutingTableElement (n, "rt");
86  clickinternet.Install (n);
87 
88  Ipv4AddressHelper ipv4;
89 //
90 // We've got the "hardware" in place. Now we need to add IP addresses.
91 //
92  NS_LOG_INFO ("Assign IP Addresses.");
93  ipv4.SetBase ("172.16.1.0", "255.255.255.0");
94  Ipv4InterfaceContainer i = ipv4.Assign (d);
95 
96  NS_LOG_INFO ("Create Applications.");
97 //
98 // Create one udpServer applications on node one.
99 //
100  uint16_t port = 4000;
101  UdpServerHelper server (port);
102  ApplicationContainer apps = server.Install (n.Get (1));
103  apps.Start (Seconds (1.0));
104  apps.Stop (Seconds (10.0));
105 
106 //
107 // Create one UdpClient application to send UDP datagrams from node zero to
108 // node one.
109 //
110  uint32_t MaxPacketSize = 1024;
111  Time interPacketInterval = Seconds (0.05);
112  uint32_t maxPacketCount = 320;
113  UdpClientHelper client (i.GetAddress (1), port);
114  client.SetAttribute ("MaxPackets", UintegerValue (maxPacketCount));
115  client.SetAttribute ("Interval", TimeValue (interPacketInterval));
116  client.SetAttribute ("PacketSize", UintegerValue (MaxPacketSize));
117  apps = client.Install (NodeContainer (n.Get (0), n.Get (2)));
118  apps.Start (Seconds (2.0));
119  apps.Stop (Seconds (10.0));
120 
121  csma.EnablePcap ("nsclick-udp-client-server-csma", d, false);
122 
123 //
124 // Now, do the actual simulation.
125 //
126  NS_LOG_INFO ("Run Simulation.");
127  Simulator::Stop (Seconds (20.0));
128  Simulator::Run ();
130  NS_LOG_INFO ("Done.");
131 #else
132  NS_FATAL_ERROR ("Can't use ns-3-click without NSCLICK compiled in");
133 #endif
134 }
holds a vector of ns3::Application pointers.
Simulation virtual time values and global simulation resolution.
Definition: nstime.h:102
holds a vector of std::pair of Ptr<Ipv4> and interface index.
static void Run(void)
Run the simulation.
Definition: simulator.cc:226
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:202
Time MilliSeconds(uint64_t value)
Construct a Time in the indicated unit.
Definition: nstime.h:1022
#define NS_LOG_INFO(msg)
Use NS_LOG to output a message of level LOG_INFO.
Definition: log.h:278
#define NS_FATAL_ERROR(msg)
Report a fatal error with a message and terminate.
Definition: fatal-error.h:162
cmd
Definition: second.py:35
uint16_t port
Definition: dsdv-manet.cc:45
Class for representing data rates.
Definition: data-rate.h:88
void LogComponentEnable(char const *name, enum LogLevel level)
Enable the logging output associated with that log component.
Definition: log.cc:369
Create a client application which sends UDP packets carrying a 32bit sequence number and a 64 bit tim...
AttributeValue implementation for Time.
Definition: nstime.h:1076
Ipv4Address GetAddress(uint32_t i, uint32_t j=0) const
Hold an unsigned integer type.
Definition: uinteger.h:44
LOG_INFO and above.
Definition: log.h:104
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...
csma
Definition: second.py:63
Parse command-line arguments.
Definition: command-line.h:213
static void Destroy(void)
Execute the events scheduled with ScheduleDestroy().
Definition: simulator.cc:190
void SetAttribute(std::string name, const AttributeValue &value)
Record an attribute to be set in each Application after it is is created.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
keep track of a set of node pointers.
build a set of CsmaNetDevice objects
Definition: csma-helper.h:46
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...
AttributeValue implementation for DataRate.
Definition: data-rate.h:242
static void Stop(void)
Tell the Simulator the calling event should be the last one executed.
Definition: simulator.cc:234
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1014
A helper class to make life easier while doing simple IPv4 address assignment in scripts.
void SetBase(Ipv4Address network, Ipv4Mask mask, Ipv4Address base="0.0.0.1")
Set the base network number, network mask and base address.