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Queue< T > Class Template Reference

#include <queue.h>

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List of all members.

Public Member Functions

virtual void enque (Packet *)=0
virtual Packet * deque ()=0
virtual void recv (Packet *, Handler *)
virtual void updateStats (int queuesize)
void resume ()
int blocked () const
void unblock ()
void block ()
int limit ()
int length ()
int byteLength ()
virtual double utilization (void)
 Queue ()
virtual ~Queue ()
virtual void reset ()
virtual void destroy ()
void enqueue (QueueElem< T > *e)
QueueElem< T > * dequeue ()
void detach (QueueElem< T > *e)
QueueElem< T > * getHead ()
int is_empty () const
int size () const
NsObject * target ()
virtual void drop (Packet *p)
virtual void recv (Packet *p, const char *s)
virtual void recvOnly (Packet *)
virtual void delay_bind_init_all ()
virtual int delay_bind_dispatch (const char *varName, const char *localName, TclObject *tracer)
int isdebug () const
virtual void debug (const char *fmt,...)

Protected Member Functions

 Queue ()
 ~Queue ()
void reset ()
void utilUpdate (double int_begin, double int_end, int link_state)
virtual void drop (Packet *p, const char *s)
int command (int argc, const char *const *argv)
void send (Packet *p, Handler *h)
void handle (Event *)

Protected Attributes

int qlim_
int blocked_
int unblock_on_resume_
QueueHandler qh_
PacketQueue * pq_
double true_ave_
double total_time_
double last_change_
double old_util_
double util_weight_
QueueElem< T > * head_
QueueElem< T > * tail_
int size_
NsObject * target_
NsObject * drop_
int debug_

template<class T>
class Queue< T >

Constructor & Destructor Documentation

template<class T>
Queue< T >::Queue (   )  [protected]
 

Definition at line 91 of file queue.cc.

References Queue< T >::blocked_, Queue< T >::qlim_, Queue< T >::unblock_on_resume_, and Queue< T >::util_weight_. 

00091              : Connector(), blocked_(0), unblock_on_resume_(1), qh_(*this),
00092         pq_(0), last_change_(0), /* temporarily NULL */
00093         old_util_(0)
00094 {
00095         bind("limit_", &qlim_);
00096         bind("util_weight_", &util_weight_);
00097         bind_bool("blocked_", &blocked_);
00098         bind_bool("unblock_on_resume_", &unblock_on_resume_);
00099 }

template<class T>
Queue< T >::~Queue (   )  [protected]
 

Definition at line 88 of file queue.cc. 

00088               {
00089 }

template<class T>
Queue< T >::Queue (   )  [inline]
 

Definition at line 339 of file mcache.h.

References Queue< T >::head_, Queue< T >::size_, and Queue< T >::tail_. 

00339 : head_(0), tail_(0), size_(0) {}

template<class T>
virtual Queue< T >::~Queue (   )  [inline, virtual]
 

Definition at line 340 of file mcache.h.

References Queue< T >::head_, and QueueElem< T >::next(). 

00340                          {
00341                 QueueElem<T> *p = head_, *q;
00342                 while (p != NULL) {
00343                         q = p;
00344                         p = p->next();
00345                         delete q;
00346                 }
00347                 head_ = NULL;
00348         }

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Member Function Documentation

template<class T>
void Queue< T >::block (   )  [inline]
 

Definition at line 131 of file queue.h.

References Queue< T >::blocked_. 

00131 { blocked_ = 1; }

template<class T>
int Queue< T >::blocked (   )  const [inline]
 

Definition at line 129 of file queue.h.

References Queue< T >::blocked_.

Referenced by CBQClass::recv(). 

00129 { return (blocked_ == 1); }

template<class T>
int Queue< T >::byteLength (   )  [inline]
 

Definition at line 135 of file queue.h.

References PacketQueue::byteLength(), and Queue< T >::pq_. 

00135 { return pq_->byteLength(); }   /* number of bytes *

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int Connector::command (  int  argc,
const char *const *  argv
)  [protected, virtual, inherited]
 

Reimplemented from NsObject.

Reimplemented in SA_Agent, SALink, AODV, aodv_rqueue, MFTPRcvAgent, MFTPSndAgent, PingAgent, RTPAgent, UdpAgent, FtpClientAgent, FtpSrvrAgent, BayFullTcpAgent, Filter, MultiFieldFilter, Agent, Encapsulator, IvsReceiver, MessageAgent, NetworkInterface, LinkHead, PktCounter, SessionHelper, TTLChecker, SessionTTLChecker, coreQueue, edgeQueue, dsREDQueue, DiffusionRate, SinkAgent, DiffusionAgent, FloodingAgent, OmniMcastAgent, DSDV_Agent, DSRProto, DSRAgent, IcmpAgent, NatAgent, TCPDestNat, TCPSrcNat, TCPSrcDestNat, TapAgent, TCPTapAgent, GAFAgent, GAFPartner, imepAgent, LinkDelay, DynamicLink, HackLossyLink, rtProtoLS, ARPTable, LL, CtrMcastEncap, CtrMcastDecap, LmsAgent, LmsReceiver, LmsSender, mcastControlAgent, RLM_Sender, RLM_Receiver, SSMSRMAgent, SRMAgent, DumbAgent, MIPBSAgent, MIPMHAgent, LDPAgent, PingAgent, PushbackQueue, PushbackAgent, QSAgent, CBQClass, CBQueue, WRR_CBQueue, DelayModel, Demarker, DropTail, DRR, CMUPriQueue, SRMErrorModel, ErrorModel, TwoStateErrorModel, MultiStateErrorModel, ListErrorModel, SelectErrorModel, MrouteErrorModel, ErrorModule, LMSErrorModel, FQ, GK, JoBS, Marker, PIQueue, PriQueue, RedPDQueue, REDQueue, REMQueue, rtqueue, SFQ, SRR, Vq, RapAgent, rtProtoDV, SatLL, SatLinkHead, SatRouteAgent, FloodAgent, LandmarkAgent, SensorQueryAgent, SRAgent, AckRecons, RTCPAgent, SAack_Agent, AbsTcpAgent, FullTcpAgent, IntTcpAgent, TcpSessionAgent, TcpSink, TcpAgent, TfrcSinkAgent, TfrcAgent, LossMonitor, SnoopQueue, toraAgent, CMUTrace, Trace, and SimpleTcpAgent.

Definition at line 56 of file connector.cc.

References NsObject::command(), Connector::drop_, and Connector::target_.

Referenced by Vq::command(), SessionTTLChecker::command(), TTLChecker::command(), Trace::command(), SRR::command(), SFQ::command(), SessionHelper::command(), SALink::command(), rtqueue::command(), REMQueue::command(), REDQueue::command(), SnoopQueue::command(), PktCounter::command(), PIQueue::command(), LinkHead::command(), NetworkInterface::command(), Marker::command(), JoBS::command(), HackLossyLink::command(), GK::command(), GAFPartner::command(), FQ::command(), MultiFieldFilter::command(), Filter::command(), ErrorModule::command(), ErrorModel::command(), DynamicLink::command(), dsREDQueue::command(), CMUPriQueue::command(), DRR::command(), DropTail::command(), Demarker::command(), DelayModel::command(), LinkDelay::command(), CBQClass::command(), CBQueue::command(), aodv_rqueue::command(), and Agent::command(). 

00057 {
00058         Tcl& tcl = Tcl::instance();
00059         /*XXX*/
00060         if (argc == 2) {
00061                 if (strcmp(argv[1], "target") == 0) {
00062                         if (target_ != 0)
00063                                 tcl.result(target_->name());
00064                         return (TCL_OK);
00065                 }
00066                 if (strcmp(argv[1], "drop-target") == 0) {
00067                         if (drop_ != 0)
00068                                 tcl.resultf("%s", drop_->name());
00069                         return (TCL_OK);
00070                 }
00071                 if (strcmp(argv[1], "isDynamic") == 0) {
00072                         return TCL_OK;
00073                 }
00074         }
00075 
00076         else if (argc == 3) {
00077                 if (strcmp(argv[1], "target") == 0) {
00078                         if (*argv[2] == '0') {
00079                                 target_ = 0;
00080                                 return (TCL_OK);
00081                         }
00082                         target_ = (NsObject*)TclObject::lookup(argv[2]);
00083                         if (target_ == 0) {
00084                                 tcl.resultf("no such object %s", argv[2]);
00085                                 return (TCL_ERROR);
00086                         }
00087                         return (TCL_OK);
00088                 }
00089                 if (strcmp(argv[1], "drop-target") == 0) {
00090                         drop_ = (NsObject*)TclObject::lookup(argv[2]);
00091                         if (drop_ == 0) {
00092                                 tcl.resultf("no object %s", argv[2]);
00093                                 return (TCL_ERROR);
00094                         }
00095                         return (TCL_OK);
00096                 }
00097         }
00098         return (NsObject::command(argc, argv));
00099 }

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void NsObject::debug (  const char *  fmt,
... 
)  [virtual, inherited]
 

Definition at line 102 of file object.cc.

References NsObject::debug_. 

00103 {
00104         if (!debug_)
00105                 return;
00106         va_list ap;
00107         va_start(ap, fmt);
00108         vprintf(fmt, ap);
00109 }

int NsObject::delay_bind_dispatch (  const char *  varName,
const char *  localName,
TclObject *  tracer
)  [virtual, inherited]
 

Reimplemented in BayFullTcpAgent, Agent, MPLSAddressClassifier, LDPAgent, FullTcpAgent, SackFullTcpAgent, RFC793eduTcpAgent, TcpSink, TcpAgent, and VegasTcpAgent.

Definition at line 63 of file object.cc.

References NsObject::debug_.

Referenced by MPLSAddressClassifier::delay_bind_dispatch(), and Agent::delay_bind_dispatch(). 

00064 {
00065         if (delay_bind_bool(varName, localName, "debug_", &debug_, tracer)) 
00066                 return TCL_OK;
00067         return TclObject::delay_bind_dispatch(varName, localName, tracer);
00068 }

void NsObject::delay_bind_init_all (   )  [virtual, inherited]
 

Reimplemented in BayFullTcpAgent, Agent, MPLSAddressClassifier, LDPAgent, FullTcpAgent, SackFullTcpAgent, RFC793eduTcpAgent, TcpSink, TcpAgent, and VegasTcpAgent.

Definition at line 57 of file object.cc.

Referenced by MPLSAddressClassifier::delay_bind_init_all(), and Agent::delay_bind_init_all(). 

00058 {
00059         delay_bind_init_one("debug_");
00060 }

template<class T>
virtual Packet* Queue< T >::deque (   )  [pure virtual]
 

Implemented in SimpleIntServ, dsREDQueue, CBQueue, WRR_CBQueue, Demarker, DropTail, DRR, FQ, GK, JoBS, Marker, PIQueue, REDQueue, REMQueue, RIOQueue, SFQ, SRR, and Vq.

Referenced by Queue< T >::recv(), Queue< T >::reset(), Queue< T >::resume(), and FQ::update().

template<class T>
QueueElem<T>* Queue< T >::dequeue (   )  [inline]
 

Definition at line 378 of file mcache.h.

References Queue< T >::head_, QueueElem< T >::next(), QueueElem< T >::next_, Queue< T >::size_, and Queue< T >::tail_.

Referenced by Queue< T >::detach(), and MediaServer::get_next_segment(). 

00378                                 {
00379                 QueueElem<T> *p = head_;
00380                 if (head_ != 0) 
00381                         head_ = head_->next();
00382                 if (head_ == 0)
00383                         tail_ = 0;
00384                 p->next_ = 0;
00385                 size_--;
00386                 if (size_ == 0) 
00387                         assert((head_ == 0) && (tail_ == 0));
00388                 return p;
00389         }

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template<class T>
virtual void Queue< T >::destroy (   )  [inline, virtual]
 

Definition at line 358 of file mcache.h.

References QueueElem< T >::data(), Queue< T >::head_, and QueueElem< T >::next(). 

00358                                {
00359                 QueueElem<T> *p = head_, *q;
00360                 while (p != NULL) {
00361                         q = p;
00362                         p = p->next();
00363                         delete q->data();
00364                         delete q;
00365                 }
00366                 head_ = NULL;
00367         }

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template<class T>
void Queue< T >::detach (  QueueElem< T > *  e  )  [inline]
 

Definition at line 390 of file mcache.h.

References Queue< T >::dequeue(), Queue< T >::head_, QueueElem< T >::next_, Queue< T >::size_, and Queue< T >::tail_.

Referenced by MediaServer::command(). 

00390                                      {
00391                 assert(head_ != 0);
00392                 if (head_ == e) {
00393                         dequeue();
00394                         return;
00395                 }
00396                 QueueElem<T> *p = head_;
00397                 while (p != NULL) {
00398                         if (p->next_ != e)
00399                                 p = p->next_;
00400                         else
00401                                 break;
00402                 }
00403                 assert(p != NULL);
00404                 p->next_ = e->next_;
00405                 if (tail_ == e)
00406                         tail_ = p;
00407                 size_--;
00408                 if (size_ == 0) 
00409                         assert((head_ == 0) && (tail_ == 0));
00410         }

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void Connector::drop (  Packet *  p,
const char *  s
)  [protected, virtual, inherited]
 

Definition at line 114 of file connector.cc.

References Connector::drop_, Packet::free(), and NsObject::recv(). 

00115 {
00116         if (drop_ != 0)
00117                 drop_->recv(p, s);
00118         else
00119                 Packet::free(p);
00120 }

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void Connector::drop (  Packet *  p  )  [virtual, inherited]
 

Definition at line 106 of file connector.cc.

References Connector::drop_, Packet::free(), and NsObject::recv().

Referenced by DSRAgent::acceptRouteReply(), ARPTable::arpresolve(), JoBS::dropFront(), Vq::dropPacketForECN(), DSRAgent::dropSendBuff(), JoBS::dropTail(), dsREDQueue::edrop(), Vq::enque(), SRR::enque(), SimpleIntServ::enque(), SFQ::enque(), rtqueue::enque(), RIOQueue::enque(), REMQueue::enque(), REDQueue::enque(), RedPDQueue::enque(), PIQueue::enque(), Marker::enque(), GK::enque(), dsREDQueue::enque(), DRR::enque(), DropTail::enque(), Demarker::enque(), aodv_rqueue::enque(), toraAgent::forward(), AODV::forward(), LandmarkAgent::ForwardPacket(), DSDV_Agent::forwardPacket(), DSRAgent::getRouteForPacket(), Snoop::handle(), DSRAgent::handleFlowForwarding(), DSRAgent::handleForwarding(), DSDV_Agent::lost_link(), TCPTapAgent::processpkt(), CMUPriQueue::prq_enqueue(), rtqueue::purge(), imepAgent::purgeReXmitQ(), SessionTTLChecker::recv(), TTLChecker::recv(), toraAgent::recv(), FullTcpAgent::recv(), BayFullTcpAgent::recv(), TBF::recv(), SatLL::recv(), LL::recv(), GAFPartner::recv(), FloodAgent::recv(), Filter::recv(), DynamicLink::recv(), DSDV_Agent::recv(), AODV::recv(), AODV::recvError(), PriQueue::recvHighPriority(), AODV::recvReply(), toraAgent::reset(), Queue< T >::reset(), LinkDelay::reset(), AODV::rt_ll_failed(), AODV::rt_purge(), AODV::rt_resolve(), toraAgent::rtRoutePacket(), TCPTapAgent::sendpkt(), TapAgent::sendpkt(), IPTapAgent::sendpkt(), AODV::sendRequest(), SatLL::sendUp(), LL::sendUp(), PriQueue::Terminate(), DSRAgent::Terminate(), CMUPriQueue::Terminate(), ARPTable::Terminate(), and DSRAgent::undeliverablePkt(). 

00107 {
00108         if (drop_ != 0)
00109                 drop_->recv(p);
00110         else
00111                 Packet::free(p);
00112 }

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template<class T>
virtual void Queue< T >::enque (  Packet *   )  [pure virtual]
 

Implemented in SimpleIntServ, edgeQueue, dsREDQueue, PushbackQueue, CBQueue, Demarker, DropTail, DRR, FQ, GK, JoBS, Marker, PIQueue, RedPDQueue, REDQueue, REMQueue, RIOQueue, SFQ, SRR, and Vq.

Referenced by Queue< T >::recv().

template<class T>
void Queue< T >::enqueue (  QueueElem< T > *  e  )  [inline]
 

Definition at line 369 of file mcache.h.

References QueueElem< T >::append(), Queue< T >::head_, Queue< T >::size_, and Queue< T >::tail_.

Referenced by MediaServer::command(), and MediaServer::get_next_segment(). 

00369                                       {
00370                 if (tail_ == 0)
00371                         head_ = tail_ = e;
00372                 else {
00373                         tail_->append(e);
00374                         tail_ = e;
00375                 }
00376                 size_++;
00377         }

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template<class T>
QueueElem<T>* Queue< T >::getHead (   )  [inline]
 

Definition at line 411 of file mcache.h.

References Queue< T >::head_.

Referenced by MediaServer::find_prefinfo(). 

00411 { return head_; }

void NsObject::handle (  Event *   )  [protected, virtual, inherited]
 

Implements Handler.

Reimplemented in LinkDelay, LL, AckRecons, and Snoop.

Definition at line 91 of file object.cc.

References NsObject::recv(). 

00092 {
00093         recv((Packet*)e);
00094 }

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template<class T>
int Queue< T >::is_empty (   )  const [inline]
 

Definition at line 412 of file mcache.h.

References Queue< T >::size_.

Referenced by MediaServer::command(), and MediaServer::get_next_segment(). 

00412 { return (size_ == 0); }

int NsObject::isdebug (   )  const [inline, inherited]
 

Definition at line 61 of file object.h.

References NsObject::debug_. 

00061 { return debug_; }

template<class T>
int Queue< T >::length (   )  [inline]
 

Reimplemented in DRR, and SRR.

Definition at line 133 of file queue.h.

References PacketQueue::length(), and Queue< T >::pq_.

Referenced by REMQueue::run_updaterule(), Snoop::snoop_data(), and JoBS::updateStats(). 

00133 { return pq_->length(); }       /* number of pkts currently in

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template<class T>
int Queue< T >::limit (   )  [inline]
 

Definition at line 132 of file queue.h.

References Queue< T >::qlim_.

Referenced by dsREDQueue::reset(), and Snoop::snoop_data(). 

00132 { return qlim_; }

void NsObject::recv (  Packet *  p,
const char *  s
)  [virtual, inherited]
 

Reimplemented in CMUTrace.

Definition at line 96 of file object.cc.

References Packet::free(). 

00097 {
00098         Packet::free(p);
00099 }

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template<class T>
void Queue< T >::recv (  Packet *  ,
Handler * 
)  [virtual]
 

Reimplemented from Connector.

Reimplemented in CBQueue, FQ, and PriQueue.

Definition at line 101 of file queue.cc.

References Queue< T >::blocked_, Scheduler::clock(), Queue< T >::deque(), Queue< T >::enque(), Scheduler::instance(), Queue< T >::last_change_, Queue< T >::qh_, NsObject::recv(), Connector::target_, and Queue< T >::utilUpdate().

Referenced by PriQueue::recv(). 

00102 {
00103         double now = Scheduler::instance().clock();
00104         enque(p);
00105         if (!blocked_) {
00106                 /*
00107                  * We're not blocked.  Get a packet and send it on.
00108                  * We perform an extra check because the queue
00109                  * might drop the packet even if it was
00110                  * previously empty!  (e.g., RED can do this.)
00111                  */
00112                 p = deque();
00113                 if (p != 0) {
00114                         utilUpdate(last_change_, now, blocked_);
00115                         last_change_ = now;
00116                         blocked_ = 1;
00117                         target_->recv(p, &qh_);
00118                 }
00119         }
00120 }

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virtual void NsObject::recvOnly (  Packet *   )  [inline, virtual, inherited]
 

Reimplemented in Agent, and Trace.

Definition at line 56 of file object.h.

Referenced by Trace::recvOnly(). 

00056 {};

template<class T>
virtual void Queue< T >::reset (   )  [inline, virtual]
 

Reimplemented from NsObject.

Reimplemented in dsREDQueue, CBQueue, DropTail, PIQueue, RedPDQueue, REDQueue, REMQueue, and RIOQueue.

Definition at line 349 of file mcache.h.

References Queue< T >::head_, and QueueElem< T >::next(). 

00349                              {
00350                 QueueElem<T> *p = head_, *q;
00351                 while (p != NULL) {
00352                         q = p;
00353                         p = p->next();
00354                         delete q;
00355                 }
00356                 head_ = NULL;
00357         }

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template<class T>
void Queue< T >::reset (   )  [protected, virtual]
 

Reimplemented from NsObject.

Reimplemented in dsREDQueue, CBQueue, DropTail, PIQueue, RedPDQueue, REDQueue, REMQueue, and RIOQueue.

Definition at line 174 of file queue.cc.

References Queue< T >::deque(), Connector::drop(), Queue< T >::total_time_, and Queue< T >::true_ave_.

Referenced by REDQueue::reset(), PIQueue::reset(), dsREDQueue::reset(), and DropTail::reset(). 

00175 {
00176         Packet* p;
00177         total_time_ = 0.0;
00178         true_ave_ = 0.0;
00179         while ((p = deque()) != 0)
00180                 drop(p);
00181 }

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template<class T>
void Queue< T >::resume (   ) 
 

Definition at line 154 of file queue.cc.

References Queue< T >::blocked_, Scheduler::clock(), Queue< T >::deque(), Scheduler::instance(), Queue< T >::last_change_, Queue< T >::qh_, NsObject::recv(), Connector::target_, Queue< T >::unblock_on_resume_, and Queue< T >::utilUpdate().

Referenced by WRR_CBQueue::deque(), CBQueue::deque(), and QueueHandler::handle(). 

00155 {
00156         double now = Scheduler::instance().clock();
00157         Packet* p = deque();
00158         if (p != 0) {
00159                 target_->recv(p, &qh_);
00160         } else {
00161                 if (unblock_on_resume_) {
00162                         utilUpdate(last_change_, now, blocked_);
00163                         last_change_ = now;
00164                         blocked_ = 0;
00165                 }
00166                 else {
00167                         utilUpdate(last_change_, now, blocked_);
00168                         last_change_ = now;
00169                         blocked_ = 1;
00170                 }
00171         }
00172 }

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void Connector::send (  Packet *  p,
Handler *  h
)  [inline, protected, inherited]
 

Reimplemented in Agent, and LinkDelay.

Definition at line 54 of file connector.h.

References NsObject::recv(), and Connector::target_.

Referenced by SessionTTLChecker::recv(), TTLChecker::recv(), DequeTrace::recv(), Trace::recv(), TraceIpMac::recv(), TraceIp::recv(), SatDequeTrace::recv(), SALink::recv(), SnoopQueueEDrop::recv(), SnoopQueueTagger::recv(), SnoopQueueDrop::recv(), SnoopQueueOut::recv(), SnoopQueueIn::recv(), PktCounter::recv(), NetworkInterface::recv(), MeasureMod::recv(), Filter::recv(), Connector::recv(), CMUTrace::recv(), CBQClass::recv(), and AddSR::recv(). 

00054 { target_->recv(p, h); }

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template<class T>
int Queue< T >::size (   )  const [inline]
 

Definition at line 413 of file mcache.h.

References Queue< T >::size_.

Referenced by JoBS::arvAccounting(), JoBS::assignRateDropsADC(), dsREDQueue::deque(), JoBS::dropFront(), JoBS::dropTail(), RedPDQueue::enque(), JoBS::enque(), MediaServer::get_next_segment(), JoBS::pickDroppedRLC(), and FQ::recv(). 

00413 { return size_; }

NsObject* Connector::target (   )  [inline, inherited]
 

Definition at line 48 of file connector.h.

References Connector::target_.

Referenced by JoBS::assignRateDropsADC(), FQ::deque(), QSAgent::recv(), and MIPMHAgent::reg(). 

00048 { return target_; }

template<class T>
void Queue< T >::unblock (   )  [inline]
 

Definition at line 130 of file queue.h.

References Queue< T >::blocked_. 

00130 { blocked_ = 0; }

template<class T>
void Queue< T >::updateStats (  int  queuesize  )  [virtual]
 

Definition at line 141 of file queue.cc.

References Scheduler::clock(), Scheduler::instance(), Queue< T >::total_time_, and Queue< T >::true_ave_.

Referenced by REDQueue::deque(), DropTail::deque(), REDQueue::enque(), and DropTail::enque(). 

00142 {
00143         double now = Scheduler::instance().clock();
00144         double newtime = now - total_time_;
00145         if (newtime > 0.0) {
00146                 double oldave = true_ave_;
00147                 double oldtime = total_time_;
00148                 double newtime = now - total_time_;
00149                 true_ave_ = (oldtime * oldave + newtime * queuesize) /now;
00150                 total_time_ = now;
00151         }
00152 }

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template<class T>
double Queue< T >::utilization (  void   )  [virtual]
 

Definition at line 130 of file queue.cc.

References Queue< T >::blocked_, Scheduler::clock(), Scheduler::instance(), Queue< T >::last_change_, Queue< T >::old_util_, and Queue< T >::utilUpdate().

Referenced by QSAgent::recv(). 

00131 {
00132         double now = Scheduler::instance().clock();
00133         
00134         utilUpdate(last_change_, now, blocked_);
00135         last_change_ = now;
00136 
00137         return old_util_;
00138                         
00139 }

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template<class T>
void Queue< T >::utilUpdate (  double  int_begin,
double  int_end,
int  link_state
)  [protected]
 

Definition at line 122 of file queue.cc.

References Queue< T >::old_util_, and Queue< T >::util_weight_.

Referenced by Queue< T >::recv(), Queue< T >::resume(), and Queue< T >::utilization(). 

00122                                                                        {
00123 double decay;
00124 
00125         decay = exp(-util_weight_ * (int_end - int_begin));
00126         old_util_ = link_state + (old_util_ - link_state) * decay;
00127 
00128 }

Member Data Documentation

template<class T>
int Queue< T >::blocked_ [protected]
 

Definition at line 143 of file queue.h.

Referenced by Queue< T >::block(), Queue< T >::blocked(), Queue< T >::Queue(), Queue< T >::recv(), FQ::recv(), CBQueue::recv(), PriQueue::recvHighPriority(), Queue< T >::resume(), CBQueue::sched(), Queue< T >::unblock(), and Queue< T >::utilization().

int NsObject::debug_ [protected, inherited]
 

Reimplemented in FECModel, FloodAgent, and LandmarkAgent.

Definition at line 66 of file object.h.

Referenced by REDQueue::command(), RedPDQueue::command(), PushbackQueue::command(), NsObject::debug(), NsObject::delay_bind_dispatch(), RedPDQueue::enque(), PushbackQueue::enque(), NsObject::isdebug(), NsObject::NsObject(), TfrcAgent::recv(), PushbackQueue::reportDrop(), and REDQueue::reset().

NsObject* Connector::drop_ [protected, inherited]
 

Definition at line 57 of file connector.h.

Referenced by Connector::command(), Connector::drop(), and ErrorModel::recv().

template<class T>
QueueElem<T>* Queue< T >::head_ [protected]
 

Definition at line 416 of file mcache.h.

Referenced by Queue< T >::dequeue(), Queue< T >::destroy(), Queue< T >::detach(), Queue< T >::enqueue(), Queue< T >::getHead(), Queue< T >::Queue(), Queue< T >::reset(), and Queue< T >::~Queue().

template<class T>
double Queue< T >::last_change_ [protected]
 

Definition at line 154 of file queue.h.

Referenced by Queue< T >::recv(), Queue< T >::resume(), and Queue< T >::utilization().

template<class T>
double Queue< T >::old_util_ [protected]
 

Definition at line 155 of file queue.h.

Referenced by Queue< T >::utilization(), and Queue< T >::utilUpdate().

template<class T>
PacketQueue* Queue< T >::pq_ [protected]
 

Definition at line 146 of file queue.h.

Referenced by Queue< T >::byteLength(), Vq::command(), REMQueue::command(), REDQueue::command(), PIQueue::command(), GK::command(), DropTail::command(), DropTail::DropTail(), GK::GK(), Queue< T >::length(), SemanticRIOQueue::pickPacketForECN(), SemanticREDQueue::pickPacketForECN(), SemanticRIOQueue::pickPacketToDrop(), SemanticREDQueue::pickPacketToDrop(), PIQueue::PIQueue(), REDQueue::REDQueue(), REMQueue::REMQueue(), and Vq::Vq().

template<class T>
QueueHandler Queue< T >::qh_ [protected]
 

Definition at line 145 of file queue.h.

Referenced by Queue< T >::recv(), FQ::recv(), PriQueue::recvHighPriority(), Queue< T >::resume(), and CBQueue::sched().

template<class T>
int Queue< T >::qlim_ [protected]
 

Definition at line 142 of file queue.h.

Referenced by Vq::checkPacketForECN(), Vq::enque(), SRR::enque(), RIOQueue::enque(), REMQueue::enque(), REDQueue::enque(), PIQueue::enque(), Marker::enque(), JoBS::enque(), GK::enque(), DropTail::enque(), Demarker::enque(), Queue< T >::limit(), RIOQueue::print_edp(), REDQueue::print_edp(), Queue< T >::Queue(), and PriQueue::recvHighPriority().

template<class T>
int Queue< T >::size_ [protected]
 

Definition at line 417 of file mcache.h.

Referenced by Queue< T >::dequeue(), Queue< T >::detach(), Queue< T >::enqueue(), Queue< T >::is_empty(), Queue< T >::Queue(), and Queue< T >::size().

template<class T>
QueueElem<T> * Queue< T >::tail_ [protected]
 

Definition at line 416 of file mcache.h.

Referenced by Queue< T >::dequeue(), Queue< T >::detach(), Queue< T >::enqueue(), and Queue< T >::Queue().

NsObject* Connector::target_ [protected, inherited]
 

Definition at line 56 of file connector.h.

Referenced by SRAgent::command(), SA_Agent::command(), IvsReceiver::command(), MultiFieldFilter::command(), Filter::command(), Connector::command(), DiffusionAgent::DiffusionAgent(), DSRAgent::DSRAgent(), PromotionTimer::expire(), FloodingAgent::FloodingAgent(), toraAgent::forward(), AODV::forward(), LandmarkAgent::ForwardPacket(), DSDV_Agent::forwardPacket(), SensorQueryAgent::generate_query(), DSDVTriggerHandler::handle(), AckRecons::handle(), DSRAgent::handlePacketReceipt(), DSDV_Agent::helper_callback(), AODV::initialized(), DSDV_Agent::lost_link(), OmniMcastAgent::OmniMcastAgent(), LandmarkAgent::periodic_callback(), LandmarkAgent::ProcessHierUpdate(), TCPTapAgent::processpkt(), IPTapAgent::processpkt(), CMUPriQueue::prq_enqueue(), CMUPriQueue::prq_resume(), DequeTrace::recv(), Trace::recv(), TraceIpMac::recv(), TraceIp::recv(), TBF::recv(), SRMAgent::recv(), SSMSRMAgent::recv(), SatDequeTrace::recv(), SAack_Agent::recv(), Queue< T >::recv(), PingResponder::recv(), MIPEncapsulator::recv(), LmsAgent::recv(), HackLossyLink::recv(), GAFPartner::recv(), FQ::recv(), FloodAgent::recv(), ErrorModel::recv(), DynamicLink::recv(), DumbAgent::recv(), DSRAgent::recv(), DelayModel::recv(), LinkDelay::recv(), CtrMcastDecap::recv(), CtrMcastEncap::recv(), CMUTrace::recv(), PriQueue::recvHighPriority(), Trace::recvOnly(), TapAgent::recvpkt(), Queue< T >::resume(), LinkDelay::send(), Connector::send(), Agent::send(), MIPBSAgent::send_ads(), SRMAgent::send_ctrl(), SSMSRMAgent::send_ctrl(), MFTPSndAgent::send_data(), LmsSender::send_dmcast(), LmsReceiver::send_dmcast(), LmsAgent::send_downstream(), SSMSRMAgent::send_glb_sess(), LmsSender::send_lms_pkt(), SSMSRMAgent::send_loc_sess(), MFTPRcvAgent::send_nak(), LmsReceiver::send_nak(), LmsReceiver::send_refresh(), SSMSRMAgent::send_rep_sess(), SRMAgent::send_sess(), MIPMHAgent::send_sols(), LmsSender::send_spm(), MFTPSndAgent::send_status_request(), LmsAgent::send_upstream(), LandmarkAgent::SendChangedTagListUpdate(), AODV::sendError(), AODV::sendHello(), UdpAgent::sendmsg(), SRMAgent::sendmsg(), SA_Agent::sendmsg(), RTPAgent::sendmsg(), LmsSender::sendmsg(), DSDV_Agent::sendOutBCastPkt(), SA_Agent::sendpkt(), rtProtoDV::sendpkt(), RTPAgent::sendpkt(), RTCPAgent::sendpkt(), IvsSource::sendpkt(), AODV::sendReply(), AODV::sendRequest(), LmsSender::solicit_naks(), Connector::target(), TBF::timeout(), and toraAgent::tora_output().

template<class T>
double Queue< T >::total_time_ [protected]
 

Definition at line 150 of file queue.h.

Referenced by REDQueue::print_summarystats(), DropTail::print_summarystats(), Queue< T >::reset(), and Queue< T >::updateStats().

template<class T>
double Queue< T >::true_ave_ [protected]
 

Definition at line 149 of file queue.h.

Referenced by REDQueue::print_summarystats(), DropTail::print_summarystats(), Queue< T >::reset(), and Queue< T >::updateStats().

template<class T>
int Queue< T >::unblock_on_resume_ [protected]
 

Definition at line 144 of file queue.h.

Referenced by Queue< T >::Queue(), and Queue< T >::resume().

template<class T>
double Queue< T >::util_weight_ [protected]
 

Definition at line 156 of file queue.h.

Referenced by Queue< T >::Queue(), and Queue< T >::utilUpdate().

The documentation for this class was generated from the following files:
Generated on Tue Apr 20 13:11:11 2004 for NS2.26SourcesOriginal by doxygen 1.3.3