21 #include "ns3/core-module.h"
22 #include "ns3/network-module.h"
23 #include "ns3/internet-module.h"
24 #include "ns3/point-to-point-module.h"
25 #include "ns3/applications-module.h"
26 #include "ns3/point-to-point-layout-module.h"
35 int main (
int argc,
char *argv[])
38 uint32_t maxPackets = 100;
39 uint32_t modeBytes = 0;
42 uint32_t pktSize = 512;
43 std::string appDataRate =
"10Mbps";
44 std::string queueType =
"DropTail";
46 std::string bottleNeckLinkBw =
"1Mbps";
47 std::string bottleNeckLinkDelay =
"50ms";
50 cmd.
AddValue (
"nLeaf",
"Number of left and right side leaf nodes", nLeaf);
51 cmd.
AddValue (
"maxPackets",
"Max Packets allowed in the queue", maxPackets);
52 cmd.
AddValue (
"queueType",
"Set Queue type to DropTail or RED", queueType);
53 cmd.
AddValue (
"appPktSize",
"Set OnOff App Packet Size", pktSize);
54 cmd.
AddValue (
"appDataRate",
"Set OnOff App DataRate", appDataRate);
55 cmd.
AddValue (
"modeBytes",
"Set Queue mode to Packets <0> or bytes <1>", modeBytes);
57 cmd.
AddValue (
"redMinTh",
"RED queue minimum threshold", minTh);
58 cmd.
AddValue (
"redMaxTh",
"RED queue maximum threshold", maxTh);
59 cmd.
Parse (argc,argv);
61 if ((queueType !=
"RED") && (queueType !=
"DropTail"))
63 NS_ABORT_MSG (
"Invalid queue type: Use --queueType=RED or --queueType=DropTail");
91 if (queueType ==
"RED")
93 bottleNeckLink.
SetQueue (
"ns3::RedQueue",
104 nLeaf, pointToPointLeaf,
109 d.InstallStack (stack);
118 clientHelper.SetAttribute (
"OnTime",
StringValue (
"ns3::UniformRandomVariable[Min=0.,Max=1.]"));
119 clientHelper.SetAttribute (
"OffTime",
StringValue (
"ns3::UniformRandomVariable[Min=0.,Max=1.]"));
121 PacketSinkHelper packetSinkHelper (
"ns3::TcpSocketFactory", sinkLocalAddress);
123 for (uint32_t i = 0; i < d.LeftCount (); ++i)
125 sinkApps.
Add (packetSinkHelper.Install (d.GetLeft (i)));
131 for (uint32_t i = 0; i < d.RightCount (); ++i)
135 clientHelper.SetAttribute (
"Remote", remoteAddress);
136 clientApps.
Add (clientHelper.Install (d.GetRight (i)));
143 std::cout <<
"Running the simulation" << std::endl;
146 uint32_t totalRxBytesCounter = 0;
147 for (uint32_t i = 0; i < sinkApps.
GetN (); i++)
151 totalRxBytesCounter += pktSink->
GetTotalRx ();
155 <<
"\nGoodput Bytes/sec:"
160 std::cout <<
"Destroying the simulation" << std::endl;
holds a vector of ns3::Application pointers.
static Ipv4Address GetAny(void)
#define NS_ABORT_MSG(msg)
Unconditional abnormal program termination with a message.
static void PopulateRoutingTables(void)
Build a routing database and initialize the routing tables of the nodes in the simulation.
Hold variables of type string.
void Add(ApplicationContainer other)
Append the contents of another ApplicationContainer to the end of this container. ...
void SetQueue(std::string type, std::string n1="", const AttributeValue &v1=EmptyAttributeValue(), std::string n2="", const AttributeValue &v2=EmptyAttributeValue(), std::string n3="", const AttributeValue &v3=EmptyAttributeValue(), std::string n4="", const AttributeValue &v4=EmptyAttributeValue())
Each point to point net device must have a queue to pass packets through.
static void Run(void)
Run the simulation.
aggregate IP/TCP/UDP functionality to existing Nodes.
uint32_t GetN(void) const
Get the number of Ptr
stored in this container.
A helper to make it easier to instantiate an ns3::PacketSinkApplication on a set of nodes...
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.
A helper to make it easier to instantiate an ns3::OnOffApplication on a set of nodes.
a polymophic address class
Hold an unsigned integer type.
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.
static void Destroy(void)
Execute the events scheduled with ScheduleDestroy().
void SetDefault(std::string name, const AttributeValue &value)
Every class exported by the ns3 library is enclosed in the ns3 namespace.
Ptr< Application > Get(uint32_t i) const
Get the Ptr
stored in this container at a given index.
#define NS_LOG_UNCOND(msg)
Output the requested message unconditionaly.
static Time Now(void)
Return the current simulation virtual time.
uint32_t GetTotalRx() const
void SetChannelAttribute(std::string name, const AttributeValue &value)
Set an attribute value to be propagated to each Channel created by the helper.
AttributeValue implementation for Address.
void Stop(Time stop)
Arrange for all of the Applications in this container to Stop() at the Time given as a parameter...
void AddValue(const std::string &name, const std::string &help, T &value)
Add a program argument, assigning to POD.
Time Seconds(double value)
Construct a Time in the indicated unit.
A helper to make it easier to create a dumbbell topology with p2p links.
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.
This class can be used to hold variables of floating point type such as 'double' or 'float'...