The LoggerFetchCommand class implements the logger CLI command. More...

Inheritance diagram for LoggerFetchCommand:

Collaboration diagram for LoggerFetchCommand:

Public Member Functions
	LoggerFetchCommand (QObject *const parent=nullptr)
	Construct a new LoggerFetchCommand object with parent.

Public Member Functions inherited from DeviceCommand
	DeviceCommand (QObject *const parent=nullptr)
	Construct a new DeviceCommand object with parent.

Public Member Functions inherited from AbstractCommand
	AbstractCommand (QObject *const parent=nullptr)
	Constructs a new command with parent.

virtual QStringList	requiredOptions (const QCommandLineParser &parser) const
	Returns a list of CLI option names required by this command.

virtual QStringList	supportedOptions (const QCommandLineParser &parser) const
	Returns a list of CLI option names supported by this command.

Public Member Functions inherited from QObject
virtual const QMetaObject *	metaObject () const const

	QObject (QObject *parent)

virtual bool	event (QEvent *e)

virtual bool	eventFilter (QObject watched, QEvent event)

QString	objectName () const const

void	setObjectName (const QString &name)

bool	isWidgetType () const const

bool	isWindowType () const const

bool	signalsBlocked () const const

bool	blockSignals (bool block)

QThread *	thread () const const

void	moveToThread (QThread *targetThread)

int	startTimer (int interval, Qt::TimerType timerType)

int	startTimer (std::chrono::milliseconds time, Qt::TimerType timerType)

void	killTimer (int id)

T	findChild (const QString &name, Qt::FindChildOptions options) const const

QList< T >	findChildren (const QString &name, Qt::FindChildOptions options) const const

QList< T >	findChildren (const QRegExp &regExp, Qt::FindChildOptions options) const const

QList< T >	findChildren (const QRegularExpression &re, Qt::FindChildOptions options) const const

const QObjectList &	children () const const

void	setParent (QObject *parent)

void	installEventFilter (QObject *filterObj)

void	removeEventFilter (QObject *obj)

QMetaObject::Connection	connect (const QObject sender, const char signal, const char *method, Qt::ConnectionType type) const const

bool	disconnect (const char signal, const QObject receiver, const char *method) const const

bool	disconnect (const QObject receiver, const char method) const const

void	dumpObjectTree ()

void	dumpObjectInfo ()

void	dumpObjectTree () const const

void	dumpObjectInfo () const const

bool	setProperty (const char *name, const QVariant &value)

QVariant	property (const char *name) const const

QList< QByteArray >	dynamicPropertyNames () const const

void	destroyed (QObject *obj)

void	objectNameChanged (const QString &objectName)

QObject *	parent () const const

bool	inherits (const char *className) const const

void	deleteLater ()

	Q_DISABLE_COPY (Class)

	Q_DISABLE_MOVE (Class)

	Q_DISABLE_COPY_MOVE (Class)

T	qobject_cast (QObject *object)

T	qobject_cast (const QObject *object)

T	qFindChild (const QObject *obj, const QString &name)

QList< T >	qFindChildren (const QObject *obj, const QString &name)

QList< T >	qFindChildren (const QObject *obj, const QRegExp &regExp)

	Q_CLASSINFO (Name, Value)

	Q_INTERFACES (...)

	Q_PROPERTY (...)

	Q_ENUMS (...)

	Q_FLAGS (...)

	Q_ENUM (...)

	Q_FLAG (...)

	Q_ENUM_NS (...)

	Q_FLAG_NS (...)

	Q_OBJECT Q_OBJECT

	Q_GADGET Q_GADGET

	Q_NAMESPACE Q_NAMESPACE

	Q_NAMESPACE_EXPORT (EXPORT_MACRO)

	Q_SIGNALS Q_SIGNALS

	Q_SIGNAL Q_SIGNAL

	Q_SLOTS Q_SLOTS

	Q_SLOT Q_SLOT

	Q_EMIT Q_EMIT

	Q_INVOKABLE Q_INVOKABLE

	Q_REVISION Q_REVISION

	Q_SET_OBJECT_NAME (Object)

	QT_NO_NARROWING_CONVERSIONS_IN_CONNECT QT_NO_NARROWING_CONVERSIONS_IN_CONNECT

Protected Slots
void	serviceDetailsDiscovered () override
	Handles service detail discovery events.

Protected Slots inherited from DeviceCommand
virtual void	controllerError (const QLowEnergyController::Error error)
	Handles controller error events.

virtual void	deviceDisconnected ()
	Handles devics disconnection events.

virtual void	serviceError (const QLowEnergyService::ServiceError error)
	Handles service error events.

virtual void	serviceDetailsDiscovered ()
	Handles service detail discovery events.

Protected Slots inherited from AbstractCommand
virtual void	deviceDiscovered (const QBluetoothDeviceInfo &info)=0
	Handles PokitDiscoveryAgent::pokitDeviceDiscovered signal.

virtual void	deviceDiscoveryFinished ()=0
	Handles PokitDiscoveryAgent::deviceDiscoveryFinished signal.

Protected Member Functions
AbstractPokitService *	getService () override
	Returns a Pokit service object for the derived command class.

Protected Member Functions inherited from DeviceCommand
void	disconnect (int exitCode=EXIT_SUCCESS)
	Disconnects the underlying Pokit device, and sets exitCode to be return to the OS once the disconnection has taken place.

Protected Member Functions inherited from QObject
QObject *	sender () const const

int	senderSignalIndex () const const

int	receivers (const char *signal) const const

bool	isSignalConnected (const QMetaMethod &signal) const const

virtual void	timerEvent (QTimerEvent *event)

virtual void	childEvent (QChildEvent *event)

virtual void	customEvent (QEvent *event)

virtual void	connectNotify (const QMetaMethod &signal)

virtual void	disconnectNotify (const QMetaMethod &signal)

Private Slots
void	metadataRead (const DataLoggerService::Metadata &data)
	Invoked when metadata has been received from the data logger.

void	outputSamples (const DataLoggerService::Samples &samples)
	Outputs logger samples in the selected ouput format.

Private Attributes
DataLoggerService *	service { nullptr }
	Bluetooth service this command interracts with.

DataLoggerService::Metadata	metadata
	Most recent data logging metadata.

qint32	samplesToGo { 0 }
	Number of samples we're still expecting to receive.

quint64	timestamp { 0 }
	Current sample's epoch milliseconds timestamp.

bool	showCsvHeader { true }
	Whether or not to show a header as the first line of CSV output.

Friends
class	TestLoggerFetchCommand

Additional Inherited Members
Public Types inherited from AbstractCommand
enum class	OutputFormat { Csv , Json , Text }
	Supported output formats. More...

Public Slots inherited from DeviceCommand
bool	start () override
	Begins scanning for the Pokit device.

Public Slots inherited from AbstractCommand
virtual QStringList	processOptions (const QCommandLineParser &parser)
	Processes the relevant options from the command line parser.

virtual bool	start ()=0
	Begins the functionality of this command, and returns `true` if begun successfully, `false` otherwise.

Static Public Member Functions inherited from AbstractCommand
static QString	escapeCsvField (const QString &field)
	Returns an RFC 4180 compliant version of field.

template<typename R >
static quint32	parseNumber (const QString &value, const QString &unit, const quint32 sensibleMinimum=0)
	Returns value as an integer multiple of the ratio R.

Static Public Member Functions inherited from QObject
QString	tr (const char sourceText, const char disambiguation, int n)

QString	trUtf8 (const char sourceText, const char disambiguation, int n)

QMetaObject::Connection	connect (const QObject sender, const char signal, const QObject receiver, const char method, Qt::ConnectionType type)

QMetaObject::Connection	connect (const QObject sender, const QMetaMethod &signal, const QObject receiver, const QMetaMethod &method, Qt::ConnectionType type)

QMetaObject::Connection	connect (const QObject sender, PointerToMemberFunction signal, const QObject receiver, PointerToMemberFunction method, Qt::ConnectionType type)

QMetaObject::Connection	connect (const QObject *sender, PointerToMemberFunction signal, Functor functor)

QMetaObject::Connection	connect (const QObject sender, PointerToMemberFunction signal, const QObject context, Functor functor, Qt::ConnectionType type)

bool	disconnect (const QObject sender, const char signal, const QObject receiver, const char method)

bool	disconnect (const QObject sender, const QMetaMethod &signal, const QObject receiver, const QMetaMethod &method)

bool	disconnect (const QMetaObject::Connection &connection)

bool	disconnect (const QObject sender, PointerToMemberFunction signal, const QObject receiver, PointerToMemberFunction method)

Public Attributes inherited from QObject
typedef	QObjectList

Static Protected Member Functions inherited from DeviceCommand
template<typename T >
static T	minRange (const quint32 maxValue)

static quint8	minCapacitanceRange (const PokitProduct product, const quint32 maxValue)
	Returns the product's lowest capacitance range that can measure at least up to maxValue (nF), or AutoRange if no such range is available.

static quint8	minCurrentRange (const PokitProduct product, const quint32 maxValue)
	Returns the product's lowest current range that can measure at least up to maxValue (µA), or AutoRange if no such range is available.

static quint8	minResistanceRange (const PokitProduct product, const quint32 maxValue)
	Returns the product's lowest resistance range that can measure at least up to maxValue (Ω), or AutoRange if no such range is available.

static quint8	minVoltageRange (const PokitProduct product, const quint32 maxValue)
	t Returns the product's lowest voltage range that can measure at least up to maxValue (mV), or AutoRange if no such range is available.

Static Protected Member Functions inherited from AbstractCommand
static	Q_LOGGING_CATEGORY (lc, "dokit.cli.command", QtInfoMsg)
	Logging category for UI commands.

Protected Attributes inherited from DeviceCommand
PokitDevice *	device { nullptr }
	Pokit Bluetooth device (if any) this command interracts with.

int	exitCodeOnDisconnect { EXIT_FAILURE }
	Exit code to return on device disconnection.

Protected Attributes inherited from AbstractCommand
QString	deviceToScanFor
	Device (if any) that were passed to processOptions().

PokitDiscoveryAgent *	discoveryAgent
	Agent for Pokit device descovery.

OutputFormat	format { OutputFormat::Text }
	Selected output format.

Properties inherited from QObject
	objectName

Detailed Description

The LoggerFetchCommand class implements the logger CLI command.

Definition at line 8 of file loggerfetchcommand.h.

Constructor & Destructor Documentation

◆ LoggerFetchCommand()

LoggerFetchCommand::LoggerFetchCommand ( QObject *const parent = nullptr )

explicit

Construct a new LoggerFetchCommand object with parent.

Definition at line 32 of file loggerfetchcommand.cpp.

                                                             : DeviceCommand(parent)
{
 
}

Member Function Documentation

◆ getService()

AbstractPokitService * LoggerFetchCommand::getService ( )

overrideprotectedvirtual

Returns a Pokit service object for the derived command class.

This override returns a pointer to a DataLoggerService object.

Implements DeviceCommand.

Definition at line 42 of file loggerfetchcommand.cpp.

{
    Q_ASSERT(device);
    if (!service) {
        service = device->dataLogger();
        Q_ASSERT(service);
        connect(service, &DataLoggerService::metadataRead, this, &LoggerFetchCommand::metadataRead);
        connect(service, &DataLoggerService::samplesRead, this, &LoggerFetchCommand::outputSamples);
    }
    return service;
}

References QObject::connect(), PokitDevice::dataLogger(), DeviceCommand::device, metadataRead(), DataLoggerService::metadataRead(), outputSamples(), DataLoggerService::samplesRead(), and service.

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◆ metadataRead

void LoggerFetchCommand::metadataRead ( const DataLoggerService::Metadata & data )

privateslot

Invoked when metadata has been received from the data logger.

Definition at line 71 of file loggerfetchcommand.cpp.

{
    qCDebug(lc) << "status:"          << (int)(data.status);
    qCDebug(lc) << "scale:"           << data.scale;
    qCDebug(lc) << "mode:"            << DataLoggerService::toString(data.mode) << (quint8)data.mode;
    qCDebug(lc) << "range:"           << service->toString(data.range, data.mode) << data.range;
    qCDebug(lc) << "updateInterval:"  << (int)data.updateInterval;
    qCDebug(lc) << "numberOfSamples:" << data.numberOfSamples;
    qCDebug(lc) << "timestamp:"       << data.timestamp << QDateTime::fromSecsSinceEpoch(data.timestamp, DOKIT_QT_UTC);
    this->metadata = data;
    this->samplesToGo = data.numberOfSamples;
    this->timestamp = (quint64)data.timestamp * (quint64)1000;
    qCInfo(lc).noquote() << tr("Fetching %Ln logger sample/s...", nullptr, data.numberOfSamples);
}

References QDateTime::fromSecsSinceEpoch(), metadata, DataLoggerService::Metadata::mode, DataLoggerService::Metadata::numberOfSamples, DataLoggerService::Metadata::range, samplesToGo, DataLoggerService::Metadata::scale, service, DataLoggerService::Metadata::status, DataLoggerService::Metadata::timestamp, timestamp, DataLoggerService::toString(), QObject::tr(), and DataLoggerService::Metadata::updateInterval.

Referenced by getService().

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◆ outputSamples

void LoggerFetchCommand::outputSamples ( const DataLoggerService::Samples & samples )

privateslot

Outputs logger samples in the selected ouput format.

Definition at line 89 of file loggerfetchcommand.cpp.

{
    QString unit;
    switch (metadata.mode) {
    case DataLoggerService::Mode::DcVoltage: unit = QLatin1String("Vdc"); break;
    case DataLoggerService::Mode::AcVoltage: unit = QLatin1String("Vac"); break;
    case DataLoggerService::Mode::DcCurrent: unit = QLatin1String("Adc"); break;
    case DataLoggerService::Mode::AcCurrent: unit = QLatin1String("Aac"); break;
    case DataLoggerService::Mode::Temperature: unit = QString::fromUtf8("°C"); break;
    default:
        qCDebug(lc).noquote() << tr(R"(No known unit for mode %1 "%2".)").arg((int)metadata.mode)
            .arg(DataLoggerService::toString(metadata.mode));
    }
    const QString range = service->toString(metadata.range, metadata.mode);
 
    for (const qint16 &sample: samples) {
        const QString timeString = (metadata.timestamp == 0) ? QString::number(timestamp)
            : QDateTime::fromMSecsSinceEpoch(timestamp, DOKIT_QT_UTC).toString(Qt::ISODateWithMs);
        const float value = sample * metadata.scale;
        switch (format) {
        case OutputFormat::Csv:
            for (; showCsvHeader; showCsvHeader = false) {
                std::cout << qUtf8Printable(tr("timestamp,value,unit,range\n"));
            }
            std::cout << qUtf8Printable(QString::fromLatin1("%1,%2,%3,%4\n")
                .arg(timeString).arg(value).arg(unit, range));
            break;
        case OutputFormat::Json: {
            QJsonObject object{
                { QLatin1String("timestamp"), timeString },
                { QLatin1String("value"),     value },
                { QLatin1String("unit"),      unit },
                { QLatin1String("mode"),      DataLoggerService::toString(metadata.mode) },
            };
            if (!range.isEmpty()) {
                object.insert(QLatin1String("range"), range);
            }
            std::cout << QJsonDocument(object).toJson().toStdString();
        }   break;
        case OutputFormat::Text:
            std::cout << qUtf8Printable(tr("%1 %2 %3\n").arg(timeString).arg(value).arg(unit));
            break;
        }
        timestamp += metadata.updateInterval;
        --samplesToGo;
    }
    if (samplesToGo <= 0) {
        qCInfo(lc).noquote() << tr("Finished fetching %Ln sample/s (with %L1 remaining).",
            nullptr, metadata.numberOfSamples).arg(samplesToGo);
        if (device) disconnect(); // Will exit the application once disconnected.
    }
}

References DataLoggerService::AcCurrent, DataLoggerService::AcVoltage, QString::arg(), AbstractCommand::Csv, DataLoggerService::DcCurrent, DataLoggerService::DcVoltage, DeviceCommand::device, DeviceCommand::disconnect(), AbstractCommand::format, QString::fromLatin1(), QDateTime::fromMSecsSinceEpoch(), QString::fromUtf8(), QString::insert(), QString::isEmpty(), Qt::ISODateWithMs, AbstractCommand::Json, metadata, DataLoggerService::Metadata::mode, QString::number(), DataLoggerService::Metadata::numberOfSamples, DataLoggerService::Metadata::range, samplesToGo, DataLoggerService::Metadata::scale, service, showCsvHeader, DataLoggerService::Temperature, AbstractCommand::Text, DataLoggerService::Metadata::timestamp, timestamp, QJsonDocument::toJson(), QByteArray::toStdString(), DataLoggerService::toString(), QDateTime::toString(), QObject::tr(), and DataLoggerService::Metadata::updateInterval.

Referenced by getService().

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◆ serviceDetailsDiscovered

void LoggerFetchCommand::serviceDetailsDiscovered ( )

overrideprotectedslot

Handles service detail discovery events.

This override fetches the current device's status, and outputs it in the selected format.

Definition at line 59 of file loggerfetchcommand.cpp.

{
    DeviceCommand::serviceDetailsDiscovered(); // Just logs consistently.
    qCInfo(lc).noquote() << tr("Fetching logger samples...");
    service->enableMetadataNotifications();
    service->enableReadingNotifications();
    service->fetchSamples();
}

References DataLoggerService::enableMetadataNotifications(), DataLoggerService::enableReadingNotifications(), DataLoggerService::fetchSamples(), service, DeviceCommand::serviceDetailsDiscovered(), and QObject::tr().

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Friends And Related Symbol Documentation

◆ TestLoggerFetchCommand

friend class TestLoggerFetchCommand

friend

Definition at line 32 of file loggerfetchcommand.h.

Member Data Documentation

◆ metadata

DataLoggerService::Metadata LoggerFetchCommand::metadata

private

Most recent data logging metadata.

Definition at line 23 of file loggerfetchcommand.h.

Referenced by metadataRead(), and outputSamples().

◆ samplesToGo

qint32 LoggerFetchCommand::samplesToGo { 0 }

private

Number of samples we're still expecting to receive.

Definition at line 24 of file loggerfetchcommand.h.

24{ 0 }; ///< Number of samples we're still expecting to receive.

Referenced by metadataRead(), and outputSamples().

◆ service

DataLoggerService* LoggerFetchCommand::service { nullptr }

private

Bluetooth service this command interracts with.

Definition at line 22 of file loggerfetchcommand.h.

22{ nullptr }; ///< Bluetooth service this command interracts with.

Referenced by getService(), metadataRead(), outputSamples(), and serviceDetailsDiscovered().

◆ showCsvHeader

bool LoggerFetchCommand::showCsvHeader { true }

private

Whether or not to show a header as the first line of CSV output.

Definition at line 26 of file loggerfetchcommand.h.

26{ true }; ///< Whether or not to show a header as the first line of CSV output.

Referenced by outputSamples().

◆ timestamp

quint64 LoggerFetchCommand::timestamp { 0 }

private

Current sample's epoch milliseconds timestamp.

Definition at line 25 of file loggerfetchcommand.h.

25{ 0 }; ///< Current sample's epoch milliseconds timestamp.

Referenced by metadataRead(), and outputSamples().

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

Public Member Functions

Protected Slots

Protected Member Functions

Private Slots

Private Attributes

Friends

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ LoggerFetchCommand()

Member Function Documentation

◆ getService()

◆ metadataRead

◆ outputSamples

◆ serviceDetailsDiscovered

Friends And Related Symbol Documentation

◆ TestLoggerFetchCommand

Member Data Documentation

◆ metadata

◆ samplesToGo

◆ service

◆ showCsvHeader

◆ timestamp