TimerHandler Class Reference

#include <timer-handler.h>

Inheritance diagram for TimerHandler:

[legend]Collaboration diagram for TimerHandler:

[legend]List of all members.

Public Types
enum	TimerStatus { TIMER_IDLE, TIMER_PENDING, TIMER_HANDLING }
Public Member Functions
	TimerHandler ()
void	sched (double delay)
void	resched (double delay)
void	cancel ()
void	force_cancel ()
int	status ()
Protected Member Functions
virtual void	expire (Event *)=0
virtual void	handle (Event *)
Protected Attributes
int	status_
Event	event_
Private Member Functions
void	_sched (double delay)
void	_cancel ()

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Member Enumeration Documentation

enum TimerHandler::TimerStatus

Enumeration values: TIMER_IDLE  TIMER_PENDING  TIMER_HANDLING  Definition at line 66 of file timer-handler.h. { TIMER_IDLE, TIMER_PENDING, TIMER_HANDLING };

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Constructor & Destructor Documentation

TimerHandler::TimerHandler (   )  [inline]

Definition at line 53 of file timer-handler.h. References status_, and TIMER_IDLE. : status_(TIMER_IDLE) { }

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Member Function Documentation

void TimerHandler::_cancel (   )  [inline, private]

Definition at line 81 of file timer-handler.h. References Scheduler::cancel(), event_, and Scheduler::instance(). Referenced by cancel(), force_cancel(), and resched(). { (void)Scheduler::instance().cancel(&event_); // no need to free event_ since it's statically allocated }

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void TimerHandler::_sched (  double  delay  )  [inline, private]

Definition at line 78 of file timer-handler.h. References event_, Scheduler::instance(), and Scheduler::schedule(). Referenced by resched(), and sched(). { (void)Scheduler::instance().schedule(this, &event_, delay); }

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void TimerHandler::cancel (   )

Definition at line 31 of file timer-handler.cc. References _cancel(), abort(), status_, TIMER_IDLE, and TIMER_PENDING. Referenced by BayFullTcpAgent::cancel_rtx_timeout(), PushbackTimer::cancelStatus(), SmacCsTimer::checkToCancel(), LmsReceiver::delete_nak(), QA::get_data(), SMAC::handleACK(), SMAC::handleCTS(), SMAC::handleSYNC(), LandmarkAgent::periodic_callback(), LandmarkAgent::ProcessHierUpdate(), DelAckSink::recv(), TcpAsymSink::recv(), AbsDelAckSink::recv(), MIPMHAgent::recv(), FtpClientAgent::recv(), PushbackTimer::removeEvents(), DelAckSink::reset(), FackTcpAgent::send_much(), TcpSessionAgent::set_rtx_timer(), TcpFsAgent::set_rtx_timer(), TrafficGenerator::stop(), SA_Agent::stop(), RTCPAgent::stop(), RapAgent::stop(), QA::stop(), LandmarkAgent::stop(), Estimator::stop(), NeighborCache::~NeighborCache(), PacketTypeLog::~PacketTypeLog(), QA::~QA(), and TBF::~TBF(). { if (status_ != TIMER_PENDING) { fprintf(stderr, "Attempting to cancel timer at %p which is not scheduled\n", this); abort(); } _cancel(); status_ = TIMER_IDLE; }

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virtual void TimerHandler::expire (  Event *   )  [protected, pure virtual]

Implemented in Estimator_Timer, SA_Timer, TBF_Timer, RTPTimer, TelnetAppTimer, NewFileTimer, BayDelAckTimer, EnergyTimer, InterestTimer, GradientTimer, NegativeReinforceTimer, Sink_Timer, Report_Timer, Periodic_Timer, ArpBufferTimer, SendBufTimer, OmniMcastArpBufferTimer, OmniMcastSendBufTimer, SendBufferTimer, EmpFtpTrafSession, EmpWebPage, EmpWebTrafSession, GAFDiscoverTimer, GAFSelectTimer, GAFDutyTimer, LsRetransTimer, SmacTimer, SmacGeneTimer, SmacRecvTimer, SmacSendTimer, SmacNavTimer, SmacNeighNavTimer, SmacCsTimer, SmacCounterTimer, Idle_Timer, LmsNakTimer, SimpleTimer, AgtListTimer, PushbackQueueTimer, PushbackTimer, PacketTypeLog, QSTimer, PICalcTimer, REMTimer, QATimer, IpgTimer, RttTimer, TermHandoffTimer, SatHandoffTimer, MacSendTimer, MacRecvTimer, PromotionTimer, RTCP_Timer, AbsTcpTimer, AbsDelayTimer, ResetTimer, DelAckTimer, QSNewRenoPaceTimer, RBPVegasPaceTimer, RBPRenoPaceTimer, SessionRtxTimer, SessionResetTimer, SessionBurstSndTimer, DelayTimer, RtxTimer, DelSndTimer, BurstSndTimer, TfrcNackTimer, TfrcSendTimer, TfrcNoFeedbackTimer, TrafficTimer, HBTimer, PushTimer, LivenessTimer, RequestTimer, WebServer, WebPage, and WebTrafSession. Referenced by handle().

void TimerHandler::force_cancel (   )  [inline]

Definition at line 60 of file timer-handler.h. References _cancel(), status_, TIMER_IDLE, and TIMER_PENDING. Referenced by TcpAgent::cancel_rtx_timer(), TcpSessionAgent::cancel_rtx_timer(), TcpFsAgent::cancel_rtx_timer(), AbsTcpAgent::cancel_timer(), TcpAgent::cancel_timers(), TcpSessionAgent::cancel_timers(), FullTcpAgent::cancel_timers(), TcpFsAgent::cancel_timers(), SinkAgent::command(), UnslottedAlohaMac::end_of_contention(), GAFAgent::processDiscoveryMsg(), RTPAgent::rate_change(), TfrcAgent::stop(), RTPAgent::stop(), and SinkAgent::stop(). { // cancel! if (status_ == TIMER_PENDING) { _cancel(); status_ = TIMER_IDLE; } }

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

Implements Handler. Reimplemented in EmpFtpTrafSession, EmpWebPage, EmpWebTrafSession, HBTimer, WebPage, and WebTrafSession. Definition at line 69 of file timer-handler.cc. References abort(), expire(), status_, TIMER_HANDLING, TIMER_IDLE, and TIMER_PENDING. Referenced by WebTrafSession::handle(), WebPage::handle(), HBTimer::handle(), EmpWebTrafSession::handle(), EmpWebPage::handle(), and EmpFtpTrafSession::handle(). { if (status_ != TIMER_PENDING) // sanity check abort(); status_ = TIMER_HANDLING; expire(e); // if it wasn't rescheduled, it's done if (status_ == TIMER_HANDLING) status_ = TIMER_IDLE; }

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void TimerHandler::resched (  double  delay  )

Definition at line 60 of file timer-handler.cc. References _cancel(), _sched(), status_, and TIMER_PENDING. Referenced by UnslottedAlohaMac::backoff(), SinkAgent::bcast_interest(), PIQueue::calculate_p(), SMAC::collision(), MIPMHAgent::command(), MIPBSAgent::command(), GAFAgent::command(), SinkAgent::command(), LmsReceiver::create_nak(), GAFAgent::duty_timeout(), PacketTypeLog::expire(), QSTimer::expire(), OmniMcastSendBufTimer::expire(), OmniMcastArpBufferTimer::expire(), QATimer::expire(), PromotionTimer::expire(), SendBufferTimer::expire(), SendBufTimer::expire(), ArpBufferTimer::expire(), EnergyTimer::expire(), DiffusionRate::GradientTimeOut(), SatLinkHandoffMgr::handoff(), TermLinkHandoffMgr::handoff(), RapAgent::IpgTimeout(), RapAgent::LossHandler(), DiffusionRate::NegReinfTimeOut(), TfrcAgent::nextpkt(), TfrcSinkAgent::nextpkt(), RBPRenoTcpAgent::paced_send_one(), RBPVegasTcpAgent::paced_send_one(), QSNewRenoTcpAgent::paced_send_one(), PacketTypeLog::PacketTypeLog(), LandmarkAgent::periodic_callback(), LandmarkAgent::ProcessHierUpdate(), LogWebTrafPool::processLog(), PushbackQueue::PushbackQueue(), QSAgent::QSAgent(), RTPAgent::rate_change(), TfrcAgent::recv(), DelAckSink::recv(), FullTcpAgent::recv(), BayFullTcpAgent::recv(), TcpAsymSink::recv(), AbsDelAckSink::recv(), TBF::recv(), SMAC::recv(), SA_Agent::recv(), FtpClientAgent::recv(), TfrcAgent::reduce_rate_on_no_feedback(), MIPMHAgent::reg(), SinkAgent::report(), LivenessTimer::resched(), HBTimer::resched(), RapAgent::RttTimeout(), SmacCounterTimer::sched(), PushbackTimer::schedule(), WebServer::schedule_next_job(), GAFAgent::schedule_wakeup(), TcpFsAgent::send_helper(), TcpAsymAgent::send_helper(), TcpAgent::send_much(), TcpSessionAgent::send_much(), Sack1TcpAgent::send_much(), SackRHTcpAgent::send_much(), IntTcpAgent::send_much(), FullTcpAgent::send_much(), BayFullTcpAgent::send_much(), FackTcpAgent::send_much(), UnslottedAlohaMac::sendDown(), UnslottedAlohaMac::sendUp(), TcpAgent::set_rtx_timer(), TcpSessionAgent::set_rtx_timer(), TcpFsAgent::set_rtx_timer(), AbsTcpAgent::set_timer(), REMQueue::set_update_timer(), TrafficGenerator::start(), TfrcAgent::start(), RTPAgent::start(), RTCPAgent::start(), FtpClientAgent::start(), Estimator::start(), SinkAgent::start(), DiffusionRate::Start(), DiffusionProb::Start(), TrafficGenerator::timeout(), TrafficTrace::timeout(), TelnetApp::timeout(), FullTcpAgent::timeout(), BayFullTcpAgent::timeout(), TBF::timeout(), SA_Agent::timeout(), RTPAgent::timeout(), RTCPAgent::timeout(), PushbackQueue::timeout(), MIPMHAgent::timeout(), MIPBSAgent::timeout(), LmsReceiver::timeout(), GAFAgent::timeout(), EXPOO_Traffic::timeout(), Estimator::timeout(), SinkAgent::timeout(), CBR_PP_Traffic::timeout(), WirelessPhy::UpdateIdleEnergy(), SMAC::updateNav(), SMAC::updateNeighNav(), and WirelessPhy::WirelessPhy(). { if (status_ == TIMER_PENDING) _cancel(); _sched(delay); status_ = TIMER_PENDING; }

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void TimerHandler::sched (  double  delay  )

Reimplemented in SmacRecvTimer, SmacNeighNavTimer, and SmacCounterTimer. Definition at line 49 of file timer-handler.cc. References _sched(), abort(), status_, TIMER_IDLE, and TIMER_PENDING. Referenced by SMAC::checkToSend(), WebTrafPool::command(), EmpWebTrafPool::command(), EmpFtpTrafPool::command(), DSRAgent::command(), EmpWebPage::doneObject(), WebTrafSession::donePage(), EmpWebTrafSession::donePage(), QA::get_data(), WebTrafSession::handle(), WebPage::handle(), EmpWebTrafSession::handle(), EmpWebPage::handle(), EmpFtpTrafSession::handle(), SMAC::handleCounterTimer(), LandmarkAgent::ProcessHierUpdate(), SmacCounterTimer::sched(), SmacNeighNavTimer::sched(), SmacRecvTimer::sched(), LivenessTimer::sched(), PushTimer::sched(), HBTimer::sched(), SMAC::sentDATA(), SMAC::sentRTS(), SMAC::SMAC(), TelnetApp::start(), OmniMcastAgent::Start(), DiffusionAgent::Start(), LandmarkAgent::startUp(), and SMAC::transmit(). { if (status_ != TIMER_IDLE) { fprintf(stderr,"Couldn't schedule timer"); abort(); } _sched(delay); status_ = TIMER_PENDING; }

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int TimerHandler::status (   )  [inline]

Definition at line 67 of file timer-handler.h. References status_. Referenced by TcpSessionAgent::add_pkts(), BayFullTcpAgent::cancel_rtx_timeout(), HttpMInvalCache::command(), FullTcpAgent::foutput(), QA::get_data(), TcpAgent::output(), VegasTcpAgent::output(), RFC793eduTcpAgent::output(), QSNewRenoTcpAgent::output(), BayFullTcpAgent::output(), DelAckSink::recv(), FullTcpAgent::recv(), BayFullTcpAgent::recv(), TcpAsymSink::recv(), AbsDelAckSink::recv(), MIPMHAgent::recv(), DelAckSink::reset(), TcpAgent::send_much(), TcpSessionAgent::send_much(), Sack1TcpAgent::send_much(), SackRHTcpAgent::send_much(), IntTcpAgent::send_much(), FullTcpAgent::send_much(), BayFullTcpAgent::send_much(), FackTcpAgent::send_much(), TcpSessionAgent::set_rtx_timer(), TcpFsAgent::set_rtx_timer(), RapAgent::stop(), QA::stop(), and QA::~QA(). { return status_; };

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Member Data Documentation

Event TimerHandler::event_ [protected]

Definition at line 75 of file timer-handler.h. Referenced by _cancel(), _sched(), WebPage::start(), and EmpWebPage::start().

int TimerHandler::status_ [protected]

Definition at line 74 of file timer-handler.h. Referenced by SmacTimer::busy(), cancel(), SmacCsTimer::checkToCancel(), force_cancel(), handle(), resched(), sched(), SmacCounterTimer::sched(), WebPage::start(), EmpWebPage::start(), status(), TimerHandler(), EmpFtpTrafSession::~EmpFtpTrafSession(), EmpWebTrafSession::~EmpWebTrafSession(), and WebTrafSession::~WebTrafSession().

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

• timer-handler.h
• timer-handler.cc

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