EXPOO_Traffic Class Reference

Inheritance diagram for EXPOO_Traffic:

[legend]Collaboration diagram for EXPOO_Traffic:

[legend]List of all members.

Public Member Functions
	EXPOO_Traffic ()
virtual double	next_interval (int &)
virtual void	timeout ()
int	command (int argc, const char *const *argv)
virtual double	interval ()
virtual int	on ()
virtual void	recv ()
virtual void	recv (int nbytes)
virtual void	resume ()
virtual void	send (int nbytes)
Process *&	target ()
virtual void	process_data (int size, AppData *data)
virtual AppData *	get_data (int &size, AppData *req_data=0)
virtual void	send_data (int size, AppData *data=0)
Protected Member Functions
void	init ()
virtual void	start ()
virtual void	stop ()
Protected Attributes
double	ontime_
double	offtime_
double	rate_
double	interval_
unsigned int	rem_
ExponentialRandomVariable	burstlen_
ExponentialRandomVariable	Offtime_
double	nextPkttime_
int	size_
int	running_
TrafficTimer	timer_
Agent *	agent_
int	enableRecv_
int	enableResume_
Process *	target_

---

Constructor & Destructor Documentation

EXPOO_Traffic::EXPOO_Traffic (   )

Definition at line 84 of file expoo.cc. References ExponentialRandomVariable::avgp(), Offtime_, ontime_, rate_, and TrafficGenerator::size_. : burstlen_(0.0), Offtime_(0.0) { bind_time("burst_time_", &ontime_); bind_time("idle_time_", Offtime_.avgp()); bind_bw("rate_", &rate_); bind("packetSize_", &size_); }

Here is the call graph for this function:

---

Member Function Documentation

int EXPOO_Traffic::command (  int  argc, const char *const *  argv )  [virtual]

Reimplemented from Application. Definition at line 71 of file expoo.cc. References burstlen_, Application::command(), Offtime_, and RandomVariable::seed(). { if(argc==3){ if (strcmp(argv[1], "use-rng") == 0) { burstlen_.seed((char *)argv[2]); Offtime_.seed((char *)argv[2]); return (TCL_OK); } } return Application::command(argc,argv); }

Here is the call graph for this function:

AppData * Process::get_data (  int &  size, AppData *  req_data = 0 )  [virtual, inherited]

Reimplemented in MediaApp, QA, HttpApp, HttpUInvalAgent, MediaCache, MediaServer, and TcpApp. Definition at line 46 of file ns-process.cc. References abort(). Referenced by QA::check_availability(), MediaApp::get_data(), RapAgent::IpgTimeout(), and QA::output(). { abort(); /* NOTREACHED */ return NULL; // Make msvc happy }

Here is the call graph for this function:

void EXPOO_Traffic::init (   )  [protected, virtual]

Reimplemented from TrafficGenerator. Definition at line 92 of file expoo.cc. References Application::agent_, burstlen_, interval_, ontime_, PT_EXP, rate_, rem_, Agent::set_pkttype(), ExponentialRandomVariable::setavg(), and TrafficGenerator::size_. { /* compute inter-packet interval during bursts based on * packet size and burst rate. then compute average number * of packets in a burst. */ interval_ = (double)(size_ << 3)/(double)rate_; burstlen_.setavg(ontime_/interval_); rem_ = 0; if (agent_) agent_->set_pkttype(PT_EXP); }

Here is the call graph for this function:

virtual double TrafficGenerator::interval (   )  [inline, virtual, inherited]

Reimplemented in CBR_PP_Traffic, and CBR_Traffic. Definition at line 63 of file trafgen.h. Referenced by SA_Agent::sendpkt(). { return 0; }

double EXPOO_Traffic::next_interval (  int &   )  [virtual]

Implements TrafficGenerator. Definition at line 105 of file expoo.cc. References burstlen_, interval_, Offtime_, rem_, TrafficGenerator::size_, and ExponentialRandomVariable::value(). Referenced by timeout(). { double t = interval_; if (rem_ == 0) { /* compute number of packets in next burst */ rem_ = int(burstlen_.value() + .5); /* make sure we got at least 1 */ if (rem_ == 0) rem_ = 1; /* start of an idle period, compute idle time */ t += Offtime_.value(); } rem_--; size = size_; return(t); }

Here is the call graph for this function:

virtual int TrafficGenerator::on (   )  [inline, virtual, inherited]

Reimplemented in POO_Traffic. Definition at line 64 of file trafgen.h. Referenced by SA_Agent::stoponidle(), and SA_Agent::timeout(). { return 0; }

void Process::process_data (  int  size, AppData *  data )  [virtual, inherited]

Reimplemented in MediaApp, HttpApp, HttpMInvalCache, HttpUInvalAgent, MediaCache, MediaClient, and TcpApp. Definition at line 41 of file ns-process.cc. References abort(). Referenced by HttpUInvalAgent::process_data(), UdpAgent::recv(), RapAgent::recv(), and Process::send_data(). { abort(); }

Here is the call graph for this function:

void Application::recv (  int  nbytes  )  [virtual, inherited]

Reimplemented in TcpApp. Definition at line 115 of file app.cc. References Application::enableRecv_. Referenced by SimpleTcpAgent::recv(), Agent::recv(), and Agent::recvBytes(). { if (! enableRecv_) return; Tcl& tcl = Tcl::instance(); tcl.evalf("%s recv %d", name_, nbytes); }

virtual void TrafficGenerator::recv (   )  [inline, virtual, inherited]

Definition at line 67 of file trafgen.h. {}

virtual void TrafficGenerator::resume (  void   )  [inline, virtual, inherited]

Reimplemented from Application. Definition at line 68 of file trafgen.h. {}

void Application::send (  int  nbytes  )  [virtual, inherited]

Definition at line 109 of file app.cc. References Application::agent_, and Agent::sendmsg(). Referenced by Application::command(), TcpApp::send(), and TrafficGenerator::timeout(). { agent_->sendmsg(nbytes); }

Here is the call graph for this function:

virtual void Process::send_data (  int  size, AppData *  data = 0 )  [inline, virtual, inherited]

Definition at line 106 of file ns-process.h. References Process::process_data(), and Process::target_. Referenced by TcpApp::process_data(), and MediaApp::process_data(). { if (target_) target_->process_data(size, data); }

Here is the call graph for this function:

void TrafficGenerator::start (   )  [protected, virtual, inherited]

Reimplemented from Application. Reimplemented in CBR_PP_Traffic, and CBR_Traffic. Definition at line 49 of file trafgen.cc. References TrafficGenerator::init(), TrafficGenerator::next_interval(), TrafficGenerator::nextPkttime_, TimerHandler::resched(), TrafficGenerator::running_, TrafficGenerator::size_, and TrafficGenerator::timer_. { init(); running_ = 1; nextPkttime_ = next_interval(size_); timer_.resched(nextPkttime_); // Enable line below if you want to send immediately upon start //timeout(); }

Here is the call graph for this function:

void TrafficGenerator::stop (   )  [protected, virtual, inherited]

Reimplemented from Application. Definition at line 60 of file trafgen.cc. References TimerHandler::cancel(), TrafficGenerator::running_, and TrafficGenerator::timer_. { if (running_) timer_.cancel(); running_ = 0; }

Here is the call graph for this function:

Process*& Process::target (   )  [inline, inherited]

Definition at line 97 of file ns-process.h. References Process::target_. Referenced by QA::check_availability(), Process::command(), HttpApp::command(), MediaApp::get_data(), QA::output(), and TcpApp::process_data(). { return target_; }

void EXPOO_Traffic::timeout (   )  [virtual]

Reimplemented from TrafficGenerator. Definition at line 124 of file expoo.cc. References Application::agent_, interval_, next_interval(), TrafficGenerator::nextPkttime_, TimerHandler::resched(), TrafficGenerator::running_, Agent::sendmsg(), TrafficGenerator::size_, and TrafficGenerator::timer_. { if (! running_) return; /* send a packet */ // The test tcl/ex/test-rcvr.tcl relies on the "NEW_BURST" flag being // set at the start of any exponential burst ("talkspurt"). if (nextPkttime_ != interval_ || nextPkttime_ == -1) agent_->sendmsg(size_, "NEW_BURST"); else agent_->sendmsg(size_); /* figure out when to send the next one */ nextPkttime_ = next_interval(size_); /* schedule it */ if (nextPkttime_ > 0) timer_.resched(nextPkttime_); }

Here is the call graph for this function:

---

Member Data Documentation

Agent* Application::agent_ [protected, inherited]

Definition at line 60 of file app.h. Referenced by Application::command(), RA_Traffic::init(), POO_Traffic::init(), init(), CBR_Traffic::init(), CBR_PP_Traffic::init(), QA::rap(), MediaApp::rap(), Application::send(), TcpApp::TcpApp(), TrafficTrace::timeout(), TelnetApp::timeout(), timeout(), CBR_PP_Traffic::timeout(), and TcpApp::~TcpApp().

ExponentialRandomVariable EXPOO_Traffic::burstlen_ [protected]

Definition at line 52 of file expoo.cc. Referenced by command(), init(), and next_interval().

int Application::enableRecv_ [protected, inherited]

Definition at line 61 of file app.h. Referenced by Application::command(), and Application::recv().

int Application::enableResume_ [protected, inherited]

Definition at line 62 of file app.h. Referenced by Application::command(), and Application::resume().

double EXPOO_Traffic::interval_ [protected]

Definition at line 48 of file expoo.cc. Referenced by init(), next_interval(), and timeout().

double TrafficGenerator::nextPkttime_ [protected, inherited]

Definition at line 74 of file trafgen.h. Referenced by TrafficGenerator::start(), TrafficGenerator::timeout(), TrafficTrace::timeout(), timeout(), and CBR_PP_Traffic::timeout().

ExponentialRandomVariable EXPOO_Traffic::Offtime_ [protected]

Definition at line 53 of file expoo.cc. Referenced by command(), EXPOO_Traffic(), and next_interval().

double EXPOO_Traffic::offtime_ [protected]

Definition at line 46 of file expoo.cc.

double EXPOO_Traffic::ontime_ [protected]

Definition at line 45 of file expoo.cc. Referenced by EXPOO_Traffic(), and init().

double EXPOO_Traffic::rate_ [protected]

Definition at line 47 of file expoo.cc. Referenced by EXPOO_Traffic(), and init().

unsigned int EXPOO_Traffic::rem_ [protected]

Definition at line 49 of file expoo.cc. Referenced by init(), and next_interval().

int TrafficGenerator::running_ [protected, inherited]

Definition at line 76 of file trafgen.h. Referenced by TrafficGenerator::start(), CBR_Traffic::start(), CBR_PP_Traffic::start(), TrafficGenerator::stop(), TrafficGenerator::timeout(), TrafficTrace::timeout(), timeout(), and CBR_PP_Traffic::timeout().

int TrafficGenerator::size_ [protected, inherited]

Definition at line 75 of file trafgen.h. Referenced by CBR_PP_Traffic::CBR_PP_Traffic(), CBR_Traffic::CBR_Traffic(), EXPOO_Traffic(), RA_Traffic::init(), POO_Traffic::init(), init(), CBR_Traffic::init(), CBR_PP_Traffic::init(), RA_Traffic::next_interval(), POO_Traffic::next_interval(), next_interval(), CBR_Traffic::next_interval(), CBR_PP_Traffic::next_interval(), POO_Traffic::POO_Traffic(), RA_Traffic::RA_Traffic(), TrafficGenerator::start(), TrafficGenerator::timeout(), TrafficTrace::timeout(), timeout(), and CBR_PP_Traffic::timeout().

Process* Process::target_ [protected, inherited]

Definition at line 113 of file ns-process.h. Referenced by HttpUInvalAgent::command(), Process::Process(), HttpUInvalAgent::process_data(), Process::send_data(), and Process::target().

TrafficTimer TrafficGenerator::timer_ [protected, inherited]

Definition at line 77 of file trafgen.h. Referenced by TrafficGenerator::start(), TrafficGenerator::stop(), TrafficGenerator::timeout(), TrafficTrace::timeout(), timeout(), and CBR_PP_Traffic::timeout().

---

The documentation for this class was generated from the following file:

• expoo.cc

---