remoteoutputgui.cpp

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// Copyright (C) 2016 Edouard Griffiths, F4EXB                                   //
//                                                                               //
// This program is free software; you can redistribute it and/or modify          //
// it under the terms of the GNU General Public License as published by          //
// the Free Software Foundation as version 3 of the License, or                  //
// (at your option) any later version.                                           //
//                                                                               //
// This program is distributed in the hope that it will be useful,               //
// but WITHOUT ANY WARRANTY; without even the implied warranty of                //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                  //
// GNU General Public License V3 for more details.                               //
//                                                                               //
// You should have received a copy of the GNU General Public License             //
// along with this program. If not, see <http://www.gnu.org/licenses/>.          //

#include <QDebug>
#include <QTime>
#include <QDateTime>
#include <QString>
#include <QMessageBox>
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QJsonParseError>

#include <boost/algorithm/string.hpp>
#include <boost/lexical_cast.hpp>

#include "ui_remoteoutputgui.h"
#include "plugin/pluginapi.h"
#include "gui/colormapper.h"
#include "gui/glspectrum.h"
#include "gui/crightclickenabler.h"
#include "gui/basicdevicesettingsdialog.h"
#include "dsp/dspengine.h"
#include "dsp/dspcommands.h"

#include "mainwindow.h"

#include "device/deviceapi.h"
#include "device/deviceuiset.h"
#include "remoteoutputgui.h"

#include "channel/remotedatablock.h"

#include "udpsinkfec.h"

RemoteOutputSinkGui::RemoteOutputSinkGui(DeviceUISet *deviceUISet, QWidget* parent) :
    QWidget(parent),
    ui(new Ui::RemoteOutputGui),
    m_deviceUISet(deviceUISet),
    m_settings(),
    m_deviceSampleSink(0),
    m_deviceCenterFrequency(0),
    m_samplesCount(0),
    m_tickCount(0),
    m_nbSinceLastFlowCheck(0),
    m_lastEngineState(DeviceAPI::StNotStarted),
    m_doApplySettings(true),
    m_forceSettings(true)
{
    m_countUnrecoverable = 0;
    m_countRecovered = 0;
    m_lastCountUnrecoverable = 0;
    m_lastCountRecovered = 0;
    m_lastSampleCount = 0;
    m_resetCounts = true;

    m_paletteGreenText.setColor(QPalette::WindowText, Qt::green);
    m_paletteRedText.setColor(QPalette::WindowText, Qt::red);
    m_paletteWhiteText.setColor(QPalette::WindowText, Qt::white);

    ui->setupUi(this);

    ui->centerFrequency->setColorMapper(ColorMapper(ColorMapper::GrayGold));
    ui->centerFrequency->setValueRange(7, 0, pow(10,7));

    ui->sampleRate->setColorMapper(ColorMapper(ColorMapper::GrayGreenYellow));
    ui->sampleRate->setValueRange(7, 32000U, 9000000U);

    ui->apiAddressLabel->setStyleSheet("QLabel { background:rgb(79,79,79); }");

    connect(&(m_deviceUISet->m_deviceAPI->getMasterTimer()), SIGNAL(timeout()), this, SLOT(tick()));
    connect(&m_updateTimer, SIGNAL(timeout()), this, SLOT(updateHardware()));
    connect(&m_statusTimer, SIGNAL(timeout()), this, SLOT(updateStatus()));
    m_statusTimer.start(500);

    m_deviceSampleSink = (RemoteOutput*) m_deviceUISet->m_deviceAPI->getSampleSink();

    connect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()), Qt::QueuedConnection);

    m_networkManager = new QNetworkAccessManager();
    connect(m_networkManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(networkManagerFinished(QNetworkReply*)));

    m_deviceUISet->getSpectrum()->setCenterFrequency(m_deviceCenterFrequency);

    m_time.start();
    displayEventCounts();
    displayEventTimer();

    CRightClickEnabler *startStopRightClickEnabler = new CRightClickEnabler(ui->startStop);
    connect(startStopRightClickEnabler, SIGNAL(rightClick(const QPoint &)), this, SLOT(openDeviceSettingsDialog(const QPoint &)));

    displaySettings();
    sendSettings();
}

RemoteOutputSinkGui::~RemoteOutputSinkGui()
{
    disconnect(m_networkManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(networkManagerFinished(QNetworkReply*)));
    delete m_networkManager;
    delete ui;
}

void RemoteOutputSinkGui::blockApplySettings(bool block)
{
    m_doApplySettings = !block;
}

void RemoteOutputSinkGui::destroy()
{
    delete this;
}

void RemoteOutputSinkGui::setName(const QString& name)
{
    setObjectName(name);
}

QString RemoteOutputSinkGui::getName() const
{
    return objectName();
}

void RemoteOutputSinkGui::resetToDefaults()
{
    blockApplySettings(true);
    m_settings.resetToDefaults();
    displaySettings();
    blockApplySettings(false);
    sendSettings();
}

QByteArray RemoteOutputSinkGui::serialize() const
{
    return m_settings.serialize();
}

bool RemoteOutputSinkGui::deserialize(const QByteArray& data)
{
    blockApplySettings(true);

    if(m_settings.deserialize(data))
    {
        displaySettings();
        blockApplySettings(false);
        m_forceSettings = true;
        sendSettings();
        return true;
    }
    else
    {
        blockApplySettings(false);
        return false;
    }
}

bool RemoteOutputSinkGui::handleMessage(const Message& message)
{
    if (RemoteOutput::MsgConfigureRemoteOutput::match(message))
    {
        const RemoteOutput::MsgConfigureRemoteOutput& cfg = (RemoteOutput::MsgConfigureRemoteOutput&) message;
        m_settings = cfg.getSettings();
        blockApplySettings(true);
        displaySettings();
        blockApplySettings(false);
        return true;
    }
    else if (RemoteOutput::MsgStartStop::match(message))
    {
        RemoteOutput::MsgStartStop& notif = (RemoteOutput::MsgStartStop&) message;
        blockApplySettings(true);
        ui->startStop->setChecked(notif.getStartStop());
        blockApplySettings(false);
        return true;
    }
    else
    {
        return false;
    }
}

void RemoteOutputSinkGui::handleInputMessages()
{
    Message* message;

    while ((message = m_inputMessageQueue.pop()) != 0)
    {
        if (DSPSignalNotification::match(*message))
        {
            DSPSignalNotification* notif = (DSPSignalNotification*) message;
            m_sampleRate = notif->getSampleRate();
            qDebug("RemoteOutputSinkGui::handleInputMessages: DSPSignalNotification: SampleRate:%d, CenterFrequency:%llu", notif->getSampleRate(), notif->getCenterFrequency());
            updateSampleRate();

            delete message;
        }
        else
        {
            if (handleMessage(*message)) {
                delete message;
            }
        }
    }
}

void RemoteOutputSinkGui::updateSampleRate()
{
    m_deviceUISet->getSpectrum()->setSampleRate(m_sampleRate);
    ui->deviceRateText->setText(tr("%1k").arg((float)(m_sampleRate) / 1000));
}

void RemoteOutputSinkGui::updateTxDelayTooltip()
{
    int samplesPerBlock = RemoteNbBytesPerBlock / (SDR_RX_SAMP_SZ <= 16 ? 4 : 8);
    double delay = ((127*samplesPerBlock*m_settings.m_txDelay) / m_settings.m_sampleRate)/(128 + m_settings.m_nbFECBlocks);
    ui->txDelayText->setToolTip(tr("%1 us").arg(QString::number(delay*1e6, 'f', 0)));
}

void RemoteOutputSinkGui::displaySettings()
{
    blockApplySettings(true);
    ui->centerFrequency->setValue(m_deviceCenterFrequency / 1000);
    ui->sampleRate->setValue(m_settings.m_sampleRate);
    ui->txDelay->setValue(m_settings.m_txDelay*100);
    ui->txDelayText->setText(tr("%1").arg(m_settings.m_txDelay*100));
    ui->nbFECBlocks->setValue(m_settings.m_nbFECBlocks);

    QString s0 = QString::number(128 + m_settings.m_nbFECBlocks, 'f', 0);
    QString s1 = QString::number(m_settings.m_nbFECBlocks, 'f', 0);
    ui->nominalNbBlocksText->setText(tr("%1/%2").arg(s0).arg(s1));

    ui->deviceIndex->setText(tr("%1").arg(m_settings.m_deviceIndex));
    ui->channelIndex->setText(tr("%1").arg(m_settings.m_channelIndex));
    ui->apiAddress->setText(m_settings.m_apiAddress);
    ui->apiPort->setText(tr("%1").arg(m_settings.m_apiPort));
    ui->dataAddress->setText(m_settings.m_dataAddress);
    ui->dataPort->setText(tr("%1").arg(m_settings.m_dataPort));
    blockApplySettings(false);
}

void RemoteOutputSinkGui::sendSettings()
{
    if(!m_updateTimer.isActive())
        m_updateTimer.start(100);
}


void RemoteOutputSinkGui::updateHardware()
{
    qDebug() << "RemoteOutputSinkGui::updateHardware";
    RemoteOutput::MsgConfigureRemoteOutput* message = RemoteOutput::MsgConfigureRemoteOutput::create(m_settings, m_forceSettings);
    m_deviceSampleSink->getInputMessageQueue()->push(message);
    m_forceSettings = false;
    m_updateTimer.stop();
}

void RemoteOutputSinkGui::updateStatus()
{
    int state = m_deviceUISet->m_deviceAPI->state();

    if(m_lastEngineState != state)
    {
        switch(state)
        {
            case DeviceAPI::StNotStarted:
                ui->startStop->setStyleSheet("QToolButton { background:rgb(79,79,79); }");
                break;
            case DeviceAPI::StIdle:
                ui->startStop->setStyleSheet("QToolButton { background-color : blue; }");
                break;
            case DeviceAPI::StRunning:
                ui->startStop->setStyleSheet("QToolButton { background-color : green; }");
                break;
            case DeviceAPI::StError:
                ui->startStop->setStyleSheet("QToolButton { background-color : red; }");
                QMessageBox::information(this, tr("Message"), m_deviceUISet->m_deviceAPI->errorMessage());
                break;
            default:
                break;
        }

        m_lastEngineState = state;
    }
}

void RemoteOutputSinkGui::on_sampleRate_changed(quint64 value)
{
    m_settings.m_sampleRate = value;
    updateTxDelayTooltip();
    sendSettings();
}

void RemoteOutputSinkGui::on_txDelay_valueChanged(int value)
{
    m_settings.m_txDelay = value / 100.0;
    ui->txDelayText->setText(tr("%1").arg(value));
    updateTxDelayTooltip();
    sendSettings();
}

void RemoteOutputSinkGui::on_nbFECBlocks_valueChanged(int value)
{
    m_settings.m_nbFECBlocks = value;
    int nbOriginalBlocks = 128;
    int nbFECBlocks = value;
    QString s = QString::number(nbOriginalBlocks + nbFECBlocks, 'f', 0);
    QString s1 = QString::number(nbFECBlocks, 'f', 0);
    ui->nominalNbBlocksText->setText(tr("%1/%2").arg(s).arg(s1));
    updateTxDelayTooltip();
    sendSettings();
}

void RemoteOutputSinkGui::on_deviceIndex_returnPressed()
{
    bool dataOk;
    int deviceIndex = ui->deviceIndex->text().toInt(&dataOk);

    if ((!dataOk) || (deviceIndex < 0)) {
        return;
    } else {
        m_settings.m_deviceIndex = deviceIndex;
    }

    sendSettings();
}

void RemoteOutputSinkGui::on_channelIndex_returnPressed()
{
    bool dataOk;
    int channelIndex = ui->channelIndex->text().toInt(&dataOk);

    if ((!dataOk) || (channelIndex < 0)) {
        return;
    } else {
        m_settings.m_channelIndex = channelIndex;
    }

    sendSettings();
}

void RemoteOutputSinkGui::on_apiAddress_returnPressed()
{
    m_settings.m_apiAddress = ui->apiAddress->text();
    sendSettings();

    QString infoURL = QString("http://%1:%2/sdrangel").arg(m_settings.m_apiAddress).arg(m_settings.m_apiPort);
    m_networkRequest.setUrl(QUrl(infoURL));
    m_networkManager->get(m_networkRequest);
}

void RemoteOutputSinkGui::on_apiPort_returnPressed()
{
    bool dataOk;
    int apiPort = ui->apiPort->text().toInt(&dataOk);

    if((!dataOk) || (apiPort < 1024) || (apiPort > 65535)) {
        return;
    } else {
        m_settings.m_apiPort = apiPort;
    }

    sendSettings();

    QString infoURL = QString("http://%1:%2/sdrangel").arg(m_settings.m_apiAddress).arg(m_settings.m_apiPort);
    m_networkRequest.setUrl(QUrl(infoURL));
    m_networkManager->get(m_networkRequest);
}

void RemoteOutputSinkGui::on_dataAddress_returnPressed()
{
    m_settings.m_dataAddress = ui->dataAddress->text();
    sendSettings();
}

void RemoteOutputSinkGui::on_dataPort_returnPressed()
{
    bool dataOk;
    int dataPort = ui->dataPort->text().toInt(&dataOk);

    if((!dataOk) || (dataPort < 1024) || (dataPort > 65535)) {
        return;
    } else {
        m_settings.m_dataPort = dataPort;
    }

    sendSettings();
}

void RemoteOutputSinkGui::on_apiApplyButton_clicked(bool checked)
{
    (void) checked;
    m_settings.m_apiAddress = ui->apiAddress->text();

    bool apiOk;
    int apiPort = ui->apiPort->text().toInt(&apiOk);

    if((apiOk) && (apiPort >= 1024) && (apiPort < 65535))
    {
        m_settings.m_apiPort = apiPort;
    }

    sendSettings();

    QString infoURL = QString("http://%1:%2/sdrangel").arg(m_settings.m_apiAddress).arg(m_settings.m_apiPort);
    m_networkRequest.setUrl(QUrl(infoURL));
    m_networkManager->get(m_networkRequest);
}

void RemoteOutputSinkGui::on_dataApplyButton_clicked(bool checked)
{
    (void) checked;
    m_settings.m_dataAddress = ui->dataAddress->text();

    bool dataOk;
    int udpDataPort = ui->dataPort->text().toInt(&dataOk);

    if((dataOk) && (udpDataPort >= 1024) && (udpDataPort < 65535))
    {
        m_settings.m_dataPort = udpDataPort;
    }

    sendSettings();
}

void RemoteOutputSinkGui::on_startStop_toggled(bool checked)
{
    if (m_doApplySettings)
    {
        RemoteOutput::MsgStartStop *message = RemoteOutput::MsgStartStop::create(checked);
        m_deviceSampleSink->getInputMessageQueue()->push(message);
    }
}

void RemoteOutputSinkGui::on_eventCountsReset_clicked(bool checked)
{
    (void) checked;
    m_countUnrecoverable = 0;
    m_countRecovered = 0;
    m_time.start();
    displayEventCounts();
    displayEventTimer();
}

void RemoteOutputSinkGui::displayEventCounts()
{
    QString nstr = QString("%1").arg(m_countUnrecoverable, 3, 10, QChar('0'));
    ui->eventUnrecText->setText(nstr);
    nstr = QString("%1").arg(m_countRecovered, 3, 10, QChar('0'));
    ui->eventRecText->setText(nstr);
}

void RemoteOutputSinkGui::displayEventStatus(int recoverableCount, int unrecoverableCount)
{

    if (unrecoverableCount == 0)
    {
        if (recoverableCount == 0) {
            ui->allFramesDecoded->setStyleSheet("QToolButton { background-color : green; }");
        } else {
            ui->allFramesDecoded->setStyleSheet("QToolButton { background:rgb(79,79,79); }");
        }
    }
    else
    {
        ui->allFramesDecoded->setStyleSheet("QToolButton { background-color : red; }");
    }
}

void RemoteOutputSinkGui::displayEventTimer()
{
    int elapsedTimeMillis = m_time.elapsed();
    QTime recordLength(0, 0, 0, 0);
    recordLength = recordLength.addSecs(elapsedTimeMillis/1000);
    QString s_time = recordLength.toString("HH:mm:ss");
    ui->eventCountsTimeText->setText(s_time);
}

void RemoteOutputSinkGui::tick()
{
    if (++m_tickCount == 20) // once per second
    {
        QString reportURL;

        reportURL = QString("http://%1:%2/sdrangel/deviceset/%3/channel/%4/report")
                .arg(m_settings.m_apiAddress)
                .arg(m_settings.m_apiPort)
                .arg(m_settings.m_deviceIndex)
                .arg(m_settings.m_channelIndex);
        m_networkRequest.setUrl(QUrl(reportURL));
        m_networkManager->get(m_networkRequest);

        displayEventTimer();

        m_tickCount = 0;
    }
}

void RemoteOutputSinkGui::networkManagerFinished(QNetworkReply *reply)
{
    if (reply->error())
    {
        ui->apiAddressLabel->setStyleSheet("QLabel { background:rgb(79,79,79); }");
        ui->statusText->setText(reply->errorString());
        return;
    }

    QString answer = reply->readAll();

    try
    {
        QByteArray jsonBytes(answer.toStdString().c_str());
        QJsonParseError error;
        QJsonDocument doc = QJsonDocument::fromJson(jsonBytes, &error);

        if (error.error == QJsonParseError::NoError)
        {
            ui->apiAddressLabel->setStyleSheet("QLabel { background-color : green; }");
            ui->statusText->setText(QString("API OK"));
            analyzeApiReply(doc.object());
        }
        else
        {
            ui->apiAddressLabel->setStyleSheet("QLabel { background:rgb(79,79,79); }");
            QString errorMsg = QString("Reply JSON error: ") + error.errorString() + QString(" at offset ") + QString::number(error.offset);
            ui->statusText->setText(QString("JSON error. See log"));
            qInfo().noquote() << "RemoteOutputSinkGui::networkManagerFinished" << errorMsg;
        }
    }
    catch (const std::exception& ex)
    {
        ui->apiAddressLabel->setStyleSheet("QLabel { background:rgb(79,79,79); }");
        QString errorMsg = QString("Error parsing request: ") + ex.what();
        ui->statusText->setText("Error parsing request. See log for details");
        qInfo().noquote() << "RemoteOutputSinkGui::networkManagerFinished" << errorMsg;
    }
}

void RemoteOutputSinkGui::analyzeApiReply(const QJsonObject& jsonObject)
{
    QString infoLine;

    if (jsonObject.contains("RemoteSourceReport"))
    {
        QJsonObject report = jsonObject["RemoteSourceReport"].toObject();
        m_deviceCenterFrequency = report["deviceCenterFreq"].toInt() * 1000;
        m_deviceUISet->getSpectrum()->setCenterFrequency(m_deviceCenterFrequency);
        ui->centerFrequency->setValue(m_deviceCenterFrequency/1000);
        int remoteRate = report["deviceSampleRate"].toInt();
        ui->remoteRateText->setText(tr("%1k").arg((float)(remoteRate) / 1000));
        int queueSize = report["queueSize"].toInt();
        queueSize = queueSize == 0 ? 10 : queueSize;
        int queueLength = report["queueLength"].toInt();
        QString queueLengthText = QString("%1/%2").arg(queueLength).arg(queueSize);
        ui->queueLengthText->setText(queueLengthText);
        int queueLengthPercent = (queueLength*100)/queueSize;
        ui->queueLengthGauge->setValue(queueLengthPercent);
        int unrecoverableCount = report["uncorrectableErrorsCount"].toInt();
        int recoverableCount = report["correctableErrorsCount"].toInt();
        uint64_t timestampUs = report["tvSec"].toInt()*1000000ULL + report["tvUSec"].toInt();

        if (!m_resetCounts)
        {
            int recoverableCountDelta = recoverableCount - m_lastCountRecovered;
            int unrecoverableCountDelta = unrecoverableCount - m_lastCountUnrecoverable;
            displayEventStatus(recoverableCountDelta, unrecoverableCountDelta);
            m_countRecovered += recoverableCountDelta;
            m_countUnrecoverable += unrecoverableCountDelta;
            displayEventCounts();
        }

        uint32_t sampleCountDelta, sampleCount;
        sampleCount = report["samplesCount"].toInt();

        if (sampleCount < m_lastSampleCount) {
            sampleCountDelta = (0xFFFFFFFFU - m_lastSampleCount) + sampleCount + 1;
        } else {
            sampleCountDelta = sampleCount - m_lastSampleCount;
        }

        if (sampleCountDelta == 0)
        {
            ui->allFramesDecoded->setStyleSheet("QToolButton { background-color : blue; }");
        }

        double remoteStreamRate = sampleCountDelta*1e6 / (double) (timestampUs - m_lastTimestampUs);

        if (remoteStreamRate != 0) {
            ui->remoteStreamRateText->setText(QString("%1").arg(remoteStreamRate, 0, 'f', 0));
        }

        m_resetCounts = false;
        m_lastCountRecovered = recoverableCount;
        m_lastCountUnrecoverable = unrecoverableCount;
        m_lastSampleCount = sampleCount;
        m_lastTimestampUs = timestampUs;
    }

    if (jsonObject.contains("version")) {
        infoLine = "v" + jsonObject["version"].toString();
    }

    if (jsonObject.contains("qtVersion")) {
        infoLine += " Qt" + jsonObject["qtVersion"].toString();
    }

    if (jsonObject.contains("architecture")) {
        infoLine += " " + jsonObject["architecture"].toString();
    }

    if (jsonObject.contains("os")) {
        infoLine += " " + jsonObject["os"].toString();
    }

    if (jsonObject.contains("dspRxBits") && jsonObject.contains("dspTxBits")) {
        infoLine +=  QString(" %1/%2b").arg(jsonObject["dspRxBits"].toInt()).arg(jsonObject["dspTxBits"].toInt());
    }

    if (infoLine.size() > 0) {
        ui->infoText->setText(infoLine);
    }
}

void RemoteOutputSinkGui::openDeviceSettingsDialog(const QPoint& p)
{
    BasicDeviceSettingsDialog dialog(this);
    dialog.setUseReverseAPI(m_settings.m_useReverseAPI);
    dialog.setReverseAPIAddress(m_settings.m_reverseAPIAddress);
    dialog.setReverseAPIPort(m_settings.m_reverseAPIPort);
    dialog.setReverseAPIDeviceIndex(m_settings.m_reverseAPIDeviceIndex);

    dialog.move(p);
    dialog.exec();

    m_settings.m_useReverseAPI = dialog.useReverseAPI();
    m_settings.m_reverseAPIAddress = dialog.getReverseAPIAddress();
    m_settings.m_reverseAPIPort = dialog.getReverseAPIPort();
    m_settings.m_reverseAPIDeviceIndex = dialog.getReverseAPIDeviceIndex();

    sendSettings();
}