proxygen::HTTPTransaction::PrioritySample Class Reference

Classes
struct	WeightedAccumulator
struct	WeightedValue

Public Member Functions
	PrioritySample (HTTPTransaction *tnx)
void	updateContentionsCount (uint64_t contentions, uint64_t depth)
void	updateTransactionBytesSent (uint64_t bytes)
void	updateSessionBytesSheduled (uint64_t bytes)
void	updateRatio (double ratio)
bool	isTransactionBytesScheduled () const
void	getSummary (HTTPTransaction::PrioritySampleSummary &summary) const

Private Attributes
HTTPTransaction *	tnx_
WeightedValue	contentions_
WeightedValue	depth_
WeightedAccumulator	expected_weight_
WeightedAccumulator	measured_weight_
double	ratio_
bool	transactionBytesScheduled_:1

Detailed Description

Definition at line 1386 of file HTTPTransaction.cpp.

Constructor & Destructor Documentation

proxygen::HTTPTransaction::PrioritySample::PrioritySample ( HTTPTransaction *  tnx )

inlineexplicit

Definition at line 1433 of file HTTPTransaction.cpp.

                                                :
    tnx_(tnx),
    transactionBytesScheduled_(false) {}

Member Function Documentation

void proxygen::HTTPTransaction::PrioritySample::getSummary ( HTTPTransaction::PrioritySampleSummary &  summary ) const

inline

Definition at line 1478 of file HTTPTransaction.cpp.

References proxygen::HTTPTransaction::PrioritySampleSummary::contentions_, proxygen::HTTPTransaction::PrioritySampleSummary::depth_, proxygen::HTTPTransaction::PrioritySampleSummary::expected_weight_, and proxygen::HTTPTransaction::PrioritySampleSummary::measured_weight_.

                                                                       {
    contentions_.getSummary(summary.contentions_);
    depth_.getSummary(summary.depth_);
    summary.expected_weight_ = expected_weight_.getWeightedAverage();
    summary.measured_weight_ = measured_weight_.getWeightedAverage();
  }

bool proxygen::HTTPTransaction::PrioritySample::isTransactionBytesScheduled ( ) const

inline

Definition at line 1474 of file HTTPTransaction.cpp.

                                           {
    return transactionBytesScheduled_;
  }

void proxygen::HTTPTransaction::PrioritySample::updateContentionsCount ( uint64_t  contentions, uint64_t  depth  )

inline

Definition at line 1437 of file HTTPTransaction.cpp.

                                                                    {
    transactionBytesScheduled_ = false;
    ratio_ = 0.0;
    contentions_.value_ = contentions;
    depth_.value_ = depth;
  }

void proxygen::HTTPTransaction::PrioritySample::updateRatio ( double  ratio )

inline

Definition at line 1470 of file HTTPTransaction.cpp.

                                 {
    ratio_ = ratio;
  }

void proxygen::HTTPTransaction::PrioritySample::updateSessionBytesSheduled ( uint64_t  bytes )

inline

Definition at line 1457 of file HTTPTransaction.cpp.

                                                  {
    measured_weight_.accumulateTotal(bytes);
    expected_weight_.accumulate((ratio_ * bytes) + 0.5, bytes);
    if (contentions_.value_) {
      contentions_.accumulateBySessionBytes(bytes);
    } else {
      VLOG(5) << "transfer " << bytes
              << " session body bytes while contentions count = 0 "
              << *tnx_;
    }
    depth_.accumulateBySessionBytes(bytes);
  }

void proxygen::HTTPTransaction::PrioritySample::updateTransactionBytesSent ( uint64_t  bytes )

inline

Definition at line 1444 of file HTTPTransaction.cpp.

                                                  {
    transactionBytesScheduled_ = true;
    measured_weight_.accumulateWeighted(bytes);
    if (contentions_.value_) {
      contentions_.accumulateByTransactionBytes(bytes);
    } else {
      VLOG(5) << "transfer " << bytes
              << " transaction body bytes while contentions count = 0 "
              << *tnx_;
    }
    depth_.accumulateByTransactionBytes(bytes);
  }

Member Data Documentation

WeightedValue proxygen::HTTPTransaction::PrioritySample::contentions_

private

Definition at line 1487 of file HTTPTransaction.cpp.

WeightedValue proxygen::HTTPTransaction::PrioritySample::depth_

private

Definition at line 1488 of file HTTPTransaction.cpp.

WeightedAccumulator proxygen::HTTPTransaction::PrioritySample::expected_weight_

private

Definition at line 1489 of file HTTPTransaction.cpp.

WeightedAccumulator proxygen::HTTPTransaction::PrioritySample::measured_weight_

private

Definition at line 1490 of file HTTPTransaction.cpp.

double proxygen::HTTPTransaction::PrioritySample::ratio_

private

Definition at line 1491 of file HTTPTransaction.cpp.

HTTPTransaction* proxygen::HTTPTransaction::PrioritySample::tnx_

private

Definition at line 1486 of file HTTPTransaction.cpp.

bool proxygen::HTTPTransaction::PrioritySample::transactionBytesScheduled_

private

Definition at line 1492 of file HTTPTransaction.cpp.

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

• proxygen/lib/http/session/HTTPTransaction.cpp