56 #include "ns3/core-module.h" 57 #include "ns3/network-module.h" 58 #include "ns3/internet-module.h" 59 #include "ns3/point-to-point-module.h" 60 #include "ns3/applications-module.h" 61 #include "ns3/traffic-control-module.h" 62 #include "ns3/flow-monitor-module.h" 75 auto itr = stats.begin ();
77 std::ofstream thr (
dir +
"/throughput.dat", std::ios::out | std::ios::app);
80 prev = itr->second.txBytes;
89 std::ofstream q (
dir +
"/queueSize.dat", std::ios::out | std::ios::app);
107 int main (
int argc,
char *argv [])
111 struct tm * timeinfo;
114 timeinfo = localtime (&rawtime);
115 strftime (buffer,
sizeof (buffer),
"%d-%m-%Y-%I-%M-%S", timeinfo);
116 std::string currentTime (buffer);
118 std::string tcpTypeId =
"TcpBbr";
119 std::string queueDisc =
"FifoQueueDisc";
120 uint32_t delAckCount = 2;
126 cmd.AddValue (
"tcpTypeId",
"Transport protocol to use: TcpNewReno, TcpBbr", tcpTypeId);
127 cmd.AddValue (
"delAckCount",
"Delayed ACK count", delAckCount);
128 cmd.AddValue (
"enablePcap",
"Enable/Disable pcap file generation",
enablePcap);
129 cmd.AddValue (
"stopTime",
"Stop time for applications / simulation time will be stopTime + 1",
stopTime);
130 cmd.Parse (argc, argv);
132 queueDisc = std::string (
"ns3::") + queueDisc;
183 ipv4.
SetBase (
"10.0.0.0",
"255.255.255.0");
197 uint16_t
port = 50001;
214 dir =
"bbr-results/" + currentTime +
"/";
215 std::string dirToSave =
"mkdir -p " +
dir;
216 if (system (dirToSave.c_str ()) == -1)
242 if (system ((dirToSave +
"/pcap/").c_str ()) == -1)
holds a vector of ns3::Application pointers.
static EventId Schedule(Time const &delay, FUNC f, Ts &&... args)
Schedule an event to expire after delay.
Simulation virtual time values and global simulation resolution.
Manage ASCII trace files for device models.
static Ipv4Address GetAny(void)
Smart pointer class similar to boost::intrusive_ptr.
QueueDiscContainer Install(NetDeviceContainer c)
Class for representing queue sizes.
A helper to make it easier to instantiate an ns3::BulkSendApplication on a set of nodes...
holds a vector of std::pair of Ptr<Ipv4> 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.
uint32_t GetValue() const
Get the underlying value.
NetDeviceContainer Install(NodeContainer c)
Ptr< NetDevice > GetDevice(uint32_t index) const
Retrieve the index-th NetDevice associated to this node.
QueueSize GetCurrentSize(void)
Get the current size of the queue disc in bytes, if operating in bytes mode, or packets, otherwise.
Callback< R > MakeBoundCallback(R(*fnPtr)(TX), ARG a1)
Make Callbacks with one bound argument.
void SetQueueLimits(std::string type, Args &&... args)
Helper function used to add a queue limits object to the transmission queues of the devices...
double GetSeconds(void) const
Get an approximation of the time stored in this instance in the indicated unit.
Ipv4InterfaceContainer i1i2
static void Run(void)
Run the simulation.
const FlowStatsContainer & GetFlowStats() const
Retrieve all collected the flow statistics.
aggregate IP/TCP/UDP functionality to existing Nodes.
A helper to make it easier to instantiate an ns3::PacketSinkApplication on a set of nodes...
Ptr< OutputStreamWrapper > CreateFileStream(std::string filename, std::ios::openmode filemode=std::ios::out)
Create and initialize an output stream object we'll use to write the traced bits. ...
Build a set of PointToPointNetDevice objects.
void Uninstall(NetDeviceContainer c)
void SetDeviceAttribute(std::string name, const AttributeValue &value)
Set an attribute value to be propagated to each NetDevice created by the helper.
Holds a vector of ns3::QueueDisc pointers.
std::map< FlowId, FlowStats > FlowStatsContainer
Container: FlowId, FlowStats.
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 ...
static EventId ScheduleNow(FUNC f, Ts &&... args)
Schedule an event to expire Now.
Ipv4Address GetAddress(uint32_t i, uint32_t j=0) const
Hold an unsigned integer type.
holds a vector of ns3::NetDevice pointers
void CheckQueueSize(Ptr< QueueDisc > qd)
void ConnectWithoutContext(std::string path, const CallbackBase &cb)
Build a set of QueueDisc objects.
Ptr< FlowMonitor > InstallAll()
Enable flow monitoring on all nodes.
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.
uint16_t SetRootQueueDisc(const std::string &type, Args &&... args)
Helper function used to set a root queue disc of the given type and with the given attributes...
static void Destroy(void)
Execute the events scheduled with ScheduleDestroy().
Every class exported by the ns3 library is enclosed in the ns3 namespace.
keep track of a set of node pointers.
Ptr< QueueDisc > Get(std::size_t i) const
Get the Ptr<QueueDisc> stored in this container at a given index.
Helper to enable IP flow monitoring on a set of Nodes.
static Time Now(void)
Return the current simulation virtual time.
void SetChannelAttribute(std::string name, const AttributeValue &value)
Set an attribute value to be propagated to each Channel created by the helper.
void Install(std::string nodeName) const
Aggregate implementations of the ns3::Ipv4, ns3::Ipv6, ns3::Udp, and ns3::Tcp classes onto the provid...
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 TraceCwnd(uint32_t nodeId, uint32_t socketId)
static void Stop(void)
Tell the Simulator the calling event should be the last one executed.
Time Seconds(double value)
Construct a Time in the indicated unit.
void SetDefault(std::string name, const AttributeValue &value)
Ptr< Node > Get(uint32_t i) const
Get the Ptr<Node> stored in this container at a given index.
Ipv4Address NewNetwork(void)
Increment the network number and reset the IP address counter to the base value provided in the SetBa...
A helper class to make life easier while doing simple IPv4 address assignment in scripts.
Time Now(void)
create an ns3::Time instance which contains the current simulation time.
void Create(uint32_t n)
Create n nodes and append pointers to them to the end of this NodeContainer.
static void CwndTracer(Ptr< OutputStreamWrapper > stream, uint32_t oldval, uint32_t newval)
static void TraceThroughput(Ptr< FlowMonitor > monitor)
std::ostream * GetStream(void)
Return a pointer to an ostream previously set in the wrapper.
void SetBase(Ipv4Address network, Ipv4Mask mask, Ipv4Address base="0.0.0.1")
Set the base network number, network mask and base address.