BandwidthWidget Class Reference

#include <bandwidth_widget.hpp>

Inheritance diagram for BandwidthWidget:

Collaboration diagram for BandwidthWidget:

Classes
struct	BandwidthReport

Public Member Functions
	BandwidthWidget (QWidget *parent=nullptr)
	~BandwidthWidget ()=default
void	parseLine (std::string_view line)
void	reset ()
void	updateVal ()

Private Slots
void	timeout ()

Private Attributes
QElapsedTimer	elapsedTimer
SSRC_container< BandwidthReport, decltype(elapsedTimer.elapsed())>	reports
const int	timeout_msec = 2500
QTimer	timer

Detailed Description

Definition at line 13 of file bandwidth_widget.hpp.

Constructor & Destructor Documentation

BandwidthWidget()

BandwidthWidget::BandwidthWidget

(

QWidget *

parent = nullptr

)

Definition at line 21 of file bandwidth_widget.cpp.

                                                : QLabel(parent){
        elapsedTimer.start();
        reset();
        QObject::connect(&timer, &QTimer::timeout, this, &BandwidthWidget::timeout);
        timer.setInterval(timeout_msec);
}

References elapsedTimer, reset(), timeout(), timeout_msec, and timer.

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~BandwidthWidget()

BandwidthWidget::~BandwidthWidget ( )

default

Member Function Documentation

parseLine()

void BandwidthWidget::parseLine

(

std::string_view

line

)

Definition at line 56 of file bandwidth_widget.cpp.

                                                  {
        static constexpr std::string_view prefix = "stats tx_send";
        if(!sv_is_prefix(line, prefix))
                return;
 
        line.remove_prefix(prefix.size());
 
        auto ssrc_sv = tokenize(line, ' ');
        if(ssrc_sv.substr(0, 2) == "0x")
                ssrc_sv.remove_prefix(2);
        auto type = tokenize(line, ' ');
        auto bytes_sv = tokenize(line, ' ');
 
        long long bytes = 0;
        uint32_t ssrc = 0;
        if(!parse_num(bytes_sv, bytes)
                        || !parse_num(ssrc_sv, ssrc, 16))
        {
                return;
        }
 
        BandwidthReport report = {};
        report.bitsPerSecond = 0;
        report.type = type;
 
        for(const auto& r : reports.get()){
                if(r.ssrc != ssrc)
                        continue;
 
                auto duration = std::max<qint64>(elapsedTimer.elapsed() - r.timestamp, 1);
                report.bitsPerSecond = bytes * 8 * 1000 / duration;
        }
 
        reports.insert(ssrc, report, elapsedTimer.elapsed());
        updateVal();
}

References BandwidthWidget::BandwidthReport::bitsPerSecond, elapsedTimer, parse_num(), reports, sv_is_prefix(), tokenize(), BandwidthWidget::BandwidthReport::type, type, and updateVal().

Referenced by UltragridWindow::UltragridWindow().

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reset()

void BandwidthWidget::reset

(

)

Definition at line 93 of file bandwidth_widget.cpp.

                           {
        reports.clear();
        updateVal();
        timer.stop();
}

References reports, timer, and updateVal().

Referenced by BandwidthWidget(), and timeout().

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timeout

void BandwidthWidget::timeout ( )

privateslot

Definition at line 99 of file bandwidth_widget.cpp.

                             {
        reset();
}

References reset().

Referenced by BandwidthWidget().

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updateVal()

void BandwidthWidget::updateVal

(

)

Definition at line 28 of file bandwidth_widget.cpp.

                               {
        reports.remove_timed_out(timeout_msec, elapsedTimer.elapsed());
 
        if(!isEnabled()){
                setText("-- bps");
                setToolTip("");
                return;
        }
 
        long long total = 0;
        QString tooltip;
        for(const auto& i : reports.get()){
                total += i.item.bitsPerSecond;
                tooltip += QString::number(i.ssrc, 16)
                        + " (" + QString::fromStdString(i.item.type) + "): "
                        + getBitrateStr(i.item.bitsPerSecond) + "\n";
        }
 
        if(tooltip.endsWith('\n'))
                tooltip.chop(1);
 
        setToolTip(tooltip);
 
        setText(getBitrateStr(total));
 
        timer.start();
}

References elapsedTimer, reports, timeout_msec, and timer.

Referenced by parseLine(), and reset().

Member Data Documentation

elapsedTimer

QElapsedTimer BandwidthWidget::elapsedTimer

private

Definition at line 28 of file bandwidth_widget.hpp.

Referenced by BandwidthWidget(), parseLine(), and updateVal().

reports

SSRC_container<BandwidthReport, decltype(elapsedTimer.elapsed())> BandwidthWidget::reports

private

Definition at line 35 of file bandwidth_widget.hpp.

Referenced by parseLine(), reset(), and updateVal().

timeout_msec

const int BandwidthWidget::timeout_msec = 2500

private

Definition at line 37 of file bandwidth_widget.hpp.

Referenced by BandwidthWidget(), and updateVal().

timer

QTimer BandwidthWidget::timer

private

Definition at line 27 of file bandwidth_widget.hpp.

Referenced by BandwidthWidget(), reset(), and updateVal().

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

• gui/QT/widget/bandwidth_widget.hpp
• gui/QT/widget/bandwidth_widget.cpp