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sdrangel/plugins/channelrx/freqtracker/freqtracker.cpp
f4exb 7a6636b63a Fixed -Wunused-variable warnings
2020-11-14 18:45:05 +01:00

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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2019 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 "freqtracker.h"
#include <QTime>
#include <QTimer>
#include <QDebug>
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QBuffer>
#include <QThread>
#include <stdio.h>
#include <complex.h>
#include "SWGChannelSettings.h"
#include "SWGFreqTrackerSettings.h"
#include "SWGChannelReport.h"
#include "SWGFreqTrackerReport.h"
#include "dsp/dspengine.h"
#include "dsp/dspcommands.h"
#include "dsp/fftfilt.h"
#include "dsp/devicesamplemimo.h"
#include "device/deviceapi.h"
#include "util/db.h"
#include "util/stepfunctions.h"
#include "feature/feature.h"
#include "maincore.h"
#include "freqtrackerreport.h"
MESSAGE_CLASS_DEFINITION(FreqTracker::MsgConfigureFreqTracker, Message)
const QString FreqTracker::m_channelIdURI = "sdrangel.channel.freqtracker";
const QString FreqTracker::m_channelId = "FreqTracker";
const int FreqTracker::m_udpBlockSize = 512;
FreqTracker::FreqTracker(DeviceAPI *deviceAPI) :
ChannelAPI(m_channelIdURI, ChannelAPI::StreamSingleSink),
m_deviceAPI(deviceAPI),
m_spectrumVis(SDR_RX_SCALEF),
m_basebandSampleRate(0)
{
setObjectName(m_channelId);
m_thread = new QThread(this);
m_basebandSink = new FreqTrackerBaseband();
m_basebandSink->setSpectrumSink(&m_spectrumVis);
propagateMessageQueue(getInputMessageQueue());
m_basebandSink->moveToThread(m_thread);
applySettings(m_settings, true);
m_deviceAPI->addChannelSink(this);
m_deviceAPI->addChannelSinkAPI(this);
m_networkManager = new QNetworkAccessManager();
connect(m_networkManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(networkManagerFinished(QNetworkReply*)));
}
FreqTracker::~FreqTracker()
{
disconnect(m_networkManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(networkManagerFinished(QNetworkReply*)));
delete m_networkManager;
m_deviceAPI->removeChannelSinkAPI(this);
m_deviceAPI->removeChannelSink(this);
delete m_basebandSink;
delete m_thread;
}
uint32_t FreqTracker::getNumberOfDeviceStreams() const
{
return m_deviceAPI->getNbSourceStreams();
}
void FreqTracker::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool firstOfBurst)
{
(void) firstOfBurst;
m_basebandSink->feed(begin, end);
}
void FreqTracker::start()
{
qDebug("FreqTracker::start");
if (m_basebandSampleRate != 0) {
m_basebandSink->setBasebandSampleRate(m_basebandSampleRate);
}
m_basebandSink->reset();
m_thread->start();
}
void FreqTracker::stop()
{
qDebug("FreqTracker::stop");
m_thread->exit();
m_thread->wait();
}
bool FreqTracker::handleMessage(const Message& cmd)
{
if (DSPSignalNotification::match(cmd))
{
DSPSignalNotification& notif = (DSPSignalNotification&) cmd;
m_basebandSampleRate = notif.getSampleRate();
// Forward to the sink
DSPSignalNotification* rep = new DSPSignalNotification(notif); // make a copy
qDebug() << "FreqTracker::handleMessage: DSPSignalNotification";
m_basebandSink->getInputMessageQueue()->push(rep);
if (getMessageQueueToGUI())
{
DSPSignalNotification *msg = new DSPSignalNotification(notif);
getMessageQueueToGUI()->push(msg);
}
return true;
}
else if (MsgConfigureFreqTracker::match(cmd))
{
MsgConfigureFreqTracker& cfg = (MsgConfigureFreqTracker&) cmd;
qDebug() << "FreqTracker::handleMessage: MsgConfigureFreqTracker";
applySettings(cfg.getSettings(), cfg.getForce());
return true;
}
else if (FreqTrackerReport::MsgSinkFrequencyOffsetNotification::match(cmd))
{
FreqTrackerReport::MsgSinkFrequencyOffsetNotification& cfg = (FreqTrackerReport::MsgSinkFrequencyOffsetNotification&) cmd;
FreqTrackerSettings settings = m_settings;
settings.m_inputFrequencyOffset = cfg.getFrequencyOffset();
applySettings(settings, false);
if (getMessageQueueToGUI())
{
FreqTrackerReport::MsgSinkFrequencyOffsetNotification *msg = new FreqTrackerReport::MsgSinkFrequencyOffsetNotification(cfg);
getMessageQueueToGUI()->push(msg);
}
return true;
}
else
{
return false;
}
}
void FreqTracker::applySettings(const FreqTrackerSettings& settings, bool force)
{
if (!settings.m_tracking)
{
qDebug() << "FreqTracker::applySettings:"
<< " m_inputFrequencyOffset: " << settings.m_inputFrequencyOffset
<< " m_rfBandwidth: " << settings.m_rfBandwidth
<< " m_log2Decim: " << settings.m_log2Decim
<< " m_squelch: " << settings.m_squelch
<< " m_rgbColor: " << settings.m_rgbColor
<< " m_title: " << settings.m_title
<< " m_alphaEMA: " << settings.m_alphaEMA
<< " m_tracking: " << settings.m_tracking
<< " m_trackerType: " << settings.m_trackerType
<< " m_pllPskOrder: " << settings.m_pllPskOrder
<< " m_rrc: " << settings.m_rrc
<< " m_rrcRolloff: " << settings.m_rrcRolloff
<< " m_streamIndex: " << settings.m_streamIndex
<< " m_spanLog2: " << settings.m_spanLog2
<< " m_useReverseAPI: " << settings.m_useReverseAPI
<< " m_reverseAPIAddress: " << settings.m_reverseAPIAddress
<< " m_reverseAPIPort: " << settings.m_reverseAPIPort
<< " m_reverseAPIDeviceIndex: " << settings.m_reverseAPIDeviceIndex
<< " m_reverseAPIChannelIndex: " << settings.m_reverseAPIChannelIndex
<< " force: " << force;
}
QList<QString> reverseAPIKeys;
if ((m_settings.m_inputFrequencyOffset != settings.m_inputFrequencyOffset) || force) {
reverseAPIKeys.append("inputFrequencyOffset");
}
if ((m_settings.m_log2Decim != settings.m_log2Decim) || force) {
reverseAPIKeys.append("log2Decim");
}
if ((m_settings.m_rfBandwidth != settings.m_rfBandwidth) || force) {
reverseAPIKeys.append("rfBandwidth");
}
if ((m_settings.m_squelch != settings.m_squelch) || force) {
reverseAPIKeys.append("squelch");
}
if ((m_settings.m_rgbColor != settings.m_rgbColor) || force) {
reverseAPIKeys.append("rgbColor");
}
if ((m_settings.m_title != settings.m_title) || force) {
reverseAPIKeys.append("title");
}
if ((m_settings.m_alphaEMA != settings.m_alphaEMA) || force) {
reverseAPIKeys.append("alphaEMA");
}
if ((m_settings.m_spanLog2 != settings.m_spanLog2) || force) {
reverseAPIKeys.append("spanLog2");
}
if ((m_settings.m_tracking != settings.m_tracking) || force) {
reverseAPIKeys.append("tracking");
}
if ((m_settings.m_trackerType != settings.m_trackerType) || force) {
reverseAPIKeys.append("trackerType");
}
if ((m_settings.m_pllPskOrder != settings.m_pllPskOrder) || force) {
reverseAPIKeys.append("pllPskOrder");
}
if ((m_settings.m_rrc != settings.m_rrc) || force) {
reverseAPIKeys.append("rrc");
}
if ((m_settings.m_rrcRolloff != settings.m_rrcRolloff) || force) {
reverseAPIKeys.append("rrcRolloff");
}
if ((m_settings.m_squelchGate != settings.m_squelchGate) || force) {
reverseAPIKeys.append("squelchGate");
}
if (m_settings.m_streamIndex != settings.m_streamIndex)
{
if (m_deviceAPI->getSampleMIMO()) // change of stream is possible for MIMO devices only
{
m_deviceAPI->removeChannelSinkAPI(this);
m_deviceAPI->removeChannelSink(this, m_settings.m_streamIndex);
m_deviceAPI->addChannelSink(this, settings.m_streamIndex);
m_deviceAPI->addChannelSinkAPI(this);
}
reverseAPIKeys.append("streamIndex");
}
FreqTrackerBaseband::MsgConfigureFreqTrackerBaseband *msg = FreqTrackerBaseband::MsgConfigureFreqTrackerBaseband::create(settings, force);
m_basebandSink->getInputMessageQueue()->push(msg);
if (settings.m_useReverseAPI)
{
bool fullUpdate = ((m_settings.m_useReverseAPI != settings.m_useReverseAPI) && settings.m_useReverseAPI) ||
(m_settings.m_reverseAPIAddress != settings.m_reverseAPIAddress) ||
(m_settings.m_reverseAPIPort != settings.m_reverseAPIPort) ||
(m_settings.m_reverseAPIDeviceIndex != settings.m_reverseAPIDeviceIndex) ||
(m_settings.m_reverseAPIChannelIndex != settings.m_reverseAPIChannelIndex);
webapiReverseSendSettings(reverseAPIKeys, settings, fullUpdate || force);
}
if (m_featuresSettingsFeedback.size() > 0)
{
if (m_featuresSettingsFeedbackBlockCount == 0) {
featuresSendSettings(reverseAPIKeys, settings, force);
} else {
m_featuresSettingsFeedbackBlockCount--;
}
}
m_settings = settings;
}
QByteArray FreqTracker::serialize() const
{
return m_settings.serialize();
}
bool FreqTracker::deserialize(const QByteArray& data)
{
if (m_settings.deserialize(data))
{
MsgConfigureFreqTracker *msg = MsgConfigureFreqTracker::create(m_settings, true);
m_inputMessageQueue.push(msg);
return true;
}
else
{
m_settings.resetToDefaults();
MsgConfigureFreqTracker *msg = MsgConfigureFreqTracker::create(m_settings, true);
m_inputMessageQueue.push(msg);
return false;
}
}
int FreqTracker::webapiSettingsGet(
SWGSDRangel::SWGChannelSettings& response,
QString& errorMessage)
{
(void) errorMessage;
response.setFreqTrackerSettings(new SWGSDRangel::SWGFreqTrackerSettings());
response.getFreqTrackerSettings()->init();
webapiFormatChannelSettings(response, m_settings);
return 200;
}
int FreqTracker::webapiSettingsPutPatch(
bool force,
const QStringList& channelSettingsKeys,
SWGSDRangel::SWGChannelSettings& response,
QString& errorMessage)
{
(void) errorMessage;
FreqTrackerSettings settings = m_settings;
webapiUpdateChannelSettings(settings, channelSettingsKeys, response);
MsgConfigureFreqTracker *msg = MsgConfigureFreqTracker::create(settings, force);
m_inputMessageQueue.push(msg);
qDebug("FreqTracker::webapiSettingsPutPatch: forward to GUI: %p", m_guiMessageQueue);
if (m_guiMessageQueue) // forward to GUI if any
{
MsgConfigureFreqTracker *msgToGUI = MsgConfigureFreqTracker::create(settings, force);
m_guiMessageQueue->push(msgToGUI);
}
webapiFormatChannelSettings(response, settings);
return 200;
}
void FreqTracker::webapiUpdateChannelSettings(
FreqTrackerSettings& settings,
const QStringList& channelSettingsKeys,
SWGSDRangel::SWGChannelSettings& response)
{
if (channelSettingsKeys.contains("inputFrequencyOffset")) {
settings.m_inputFrequencyOffset = response.getFreqTrackerSettings()->getInputFrequencyOffset();
}
if (channelSettingsKeys.contains("rfBandwidth")) {
settings.m_rfBandwidth = response.getFreqTrackerSettings()->getRfBandwidth();
}
if (channelSettingsKeys.contains("log2Decim")) {
settings.m_log2Decim = response.getFreqTrackerSettings()->getLog2Decim();
}
if (channelSettingsKeys.contains("squelch")) {
settings.m_squelch = response.getFreqTrackerSettings()->getSquelch();
}
if (channelSettingsKeys.contains("rgbColor")) {
settings.m_rgbColor = response.getFreqTrackerSettings()->getRgbColor();
}
if (channelSettingsKeys.contains("title")) {
settings.m_title = *response.getFreqTrackerSettings()->getTitle();
}
if (channelSettingsKeys.contains("spanLog2")) {
settings.m_spanLog2 = response.getFreqTrackerSettings()->getSpanLog2();
}
if (channelSettingsKeys.contains("alphaEMA")) {
float alphaEMA = response.getFreqTrackerSettings()->getAlphaEma();
settings.m_alphaEMA = alphaEMA < 0.01 ? 0.01 : alphaEMA > 1.0 ? 1.0 : alphaEMA;
}
if (channelSettingsKeys.contains("tracking")) {
settings.m_tracking = response.getFreqTrackerSettings()->getTracking() ? 1 : 0;
}
if (channelSettingsKeys.contains("trackerType"))
{
int32_t trackerTypeCode = response.getFreqTrackerSettings()->getTrackerType();
settings.m_trackerType = trackerTypeCode < 0 ?
FreqTrackerSettings::TrackerFLL : trackerTypeCode > 1 ?
FreqTrackerSettings::TrackerPLL : (FreqTrackerSettings::TrackerType) trackerTypeCode;
}
if (channelSettingsKeys.contains("pllPskOrder")) {
settings.m_pllPskOrder = response.getFreqTrackerSettings()->getPllPskOrder();
}
if (channelSettingsKeys.contains("rrc")) {
settings.m_rrc = response.getFreqTrackerSettings()->getRrc() ? 1 : 0;
}
if (channelSettingsKeys.contains("rrcRolloff")) {
settings.m_rrcRolloff = response.getFreqTrackerSettings()->getRrcRolloff();
}
if (channelSettingsKeys.contains("squelchGate")) {
settings.m_squelchGate = response.getFreqTrackerSettings()->getSquelchGate();
}
if (channelSettingsKeys.contains("streamIndex")) {
settings.m_streamIndex = response.getFreqTrackerSettings()->getStreamIndex();
}
if (channelSettingsKeys.contains("useReverseAPI")) {
settings.m_useReverseAPI = response.getFreqTrackerSettings()->getUseReverseApi() != 0;
}
if (channelSettingsKeys.contains("reverseAPIAddress")) {
settings.m_reverseAPIAddress = *response.getFreqTrackerSettings()->getReverseApiAddress();
}
if (channelSettingsKeys.contains("reverseAPIPort")) {
settings.m_reverseAPIPort = response.getFreqTrackerSettings()->getReverseApiPort();
}
if (channelSettingsKeys.contains("reverseAPIDeviceIndex")) {
settings.m_reverseAPIDeviceIndex = response.getFreqTrackerSettings()->getReverseApiDeviceIndex();
}
if (channelSettingsKeys.contains("reverseAPIChannelIndex")) {
settings.m_reverseAPIChannelIndex = response.getFreqTrackerSettings()->getReverseApiChannelIndex();
}
}
int FreqTracker::webapiReportGet(
SWGSDRangel::SWGChannelReport& response,
QString& errorMessage)
{
(void) errorMessage;
response.setFreqTrackerReport(new SWGSDRangel::SWGFreqTrackerReport());
response.getFreqTrackerReport()->init();
webapiFormatChannelReport(response);
return 200;
}
void FreqTracker::webapiFormatChannelSettings(SWGSDRangel::SWGChannelSettings& response, const FreqTrackerSettings& settings)
{
response.getFreqTrackerSettings()->setInputFrequencyOffset(settings.m_inputFrequencyOffset);
response.getFreqTrackerSettings()->setRfBandwidth(settings.m_rfBandwidth);
response.getFreqTrackerSettings()->setLog2Decim(settings.m_log2Decim);
response.getFreqTrackerSettings()->setSquelch(settings.m_squelch);
response.getFreqTrackerSettings()->setRgbColor(settings.m_rgbColor);
if (response.getFreqTrackerSettings()->getTitle()) {
*response.getFreqTrackerSettings()->getTitle() = settings.m_title;
} else {
response.getFreqTrackerSettings()->setTitle(new QString(settings.m_title));
}
response.getFreqTrackerSettings()->setSpanLog2(settings.m_spanLog2);
response.getFreqTrackerSettings()->setAlphaEma(settings.m_alphaEMA);
response.getFreqTrackerSettings()->setTracking(settings.m_tracking ? 1 : 0);
response.getFreqTrackerSettings()->setTrackerType((int) settings.m_trackerType);
response.getFreqTrackerSettings()->setPllPskOrder(settings.m_pllPskOrder);
response.getFreqTrackerSettings()->setRrc(settings.m_rrc ? 1 : 0);
response.getFreqTrackerSettings()->setRrcRolloff(settings.m_rrcRolloff);
response.getFreqTrackerSettings()->setSquelchGate(settings.m_squelchGate);
response.getFreqTrackerSettings()->setStreamIndex(settings.m_streamIndex);
response.getFreqTrackerSettings()->setUseReverseApi(settings.m_useReverseAPI ? 1 : 0);
if (response.getFreqTrackerSettings()->getReverseApiAddress()) {
*response.getFreqTrackerSettings()->getReverseApiAddress() = settings.m_reverseAPIAddress;
} else {
response.getFreqTrackerSettings()->setReverseApiAddress(new QString(settings.m_reverseAPIAddress));
}
response.getFreqTrackerSettings()->setReverseApiPort(settings.m_reverseAPIPort);
response.getFreqTrackerSettings()->setReverseApiDeviceIndex(settings.m_reverseAPIDeviceIndex);
response.getFreqTrackerSettings()->setReverseApiChannelIndex(settings.m_reverseAPIChannelIndex);
}
void FreqTracker::webapiFormatChannelReport(SWGSDRangel::SWGChannelReport& response)
{
double magsqAvg, magsqPeak;
int nbMagsqSamples;
getMagSqLevels(magsqAvg, magsqPeak, nbMagsqSamples);
response.getFreqTrackerReport()->setChannelPowerDb(CalcDb::dbPower(magsqAvg));
response.getFreqTrackerReport()->setSquelch(m_basebandSink->getSquelchOpen() ? 1 : 0);
response.getFreqTrackerReport()->setSampleRate(m_basebandSink->getSampleRate());
response.getFreqTrackerReport()->setChannelSampleRate(m_basebandSink->getChannelSampleRate());
response.getFreqTrackerReport()->setTrackingDeltaFrequency(getAvgDeltaFreq());
}
void FreqTracker::webapiReverseSendSettings(QList<QString>& channelSettingsKeys, const FreqTrackerSettings& settings, bool force)
{
SWGSDRangel::SWGChannelSettings *swgChannelSettings = new SWGSDRangel::SWGChannelSettings();
webapiFormatChannelSettings(channelSettingsKeys, swgChannelSettings, settings, force);
QString channelSettingsURL = QString("http://%1:%2/sdrangel/deviceset/%3/channel/%4/settings")
.arg(settings.m_reverseAPIAddress)
.arg(settings.m_reverseAPIPort)
.arg(settings.m_reverseAPIDeviceIndex)
.arg(settings.m_reverseAPIChannelIndex);
m_networkRequest.setUrl(QUrl(channelSettingsURL));
m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
QBuffer *buffer = new QBuffer();
buffer->open((QBuffer::ReadWrite));
buffer->write(swgChannelSettings->asJson().toUtf8());
buffer->seek(0);
// Always use PATCH to avoid passing reverse API settings
QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
buffer->setParent(reply);
delete swgChannelSettings;
}
void FreqTracker::featuresSendSettings(QList<QString>& channelSettingsKeys, const FreqTrackerSettings& settings, bool force)
{
QList<Feature*>::iterator it = m_featuresSettingsFeedback.begin();
MainCore *mainCore = MainCore::instance();
for (; it != m_featuresSettingsFeedback.end(); ++it)
{
if (mainCore->existsFeature(*it))
{
SWGSDRangel::SWGChannelSettings *swgChannelSettings = new SWGSDRangel::SWGChannelSettings();
webapiFormatChannelSettings(channelSettingsKeys, swgChannelSettings, settings, force);
Feature::MsgChannelSettings *msg = Feature::MsgChannelSettings::create(
this,
channelSettingsKeys,
swgChannelSettings,
force
);
(*it)->getInputMessageQueue()->push(msg);
}
else
{
m_featuresSettingsFeedback.removeOne(*it);
}
}
}
void FreqTracker::webapiFormatChannelSettings(
QList<QString>& channelSettingsKeys,
SWGSDRangel::SWGChannelSettings *swgChannelSettings,
const FreqTrackerSettings& settings,
bool force)
{
swgChannelSettings->setDirection(0); // single sink (Rx)
swgChannelSettings->setOriginatorChannelIndex(getIndexInDeviceSet());
swgChannelSettings->setOriginatorDeviceSetIndex(getDeviceSetIndex());
swgChannelSettings->setChannelType(new QString("FreqTracker"));
swgChannelSettings->setFreqTrackerSettings(new SWGSDRangel::SWGFreqTrackerSettings());
SWGSDRangel::SWGFreqTrackerSettings *swgFreqTrackerSettings = swgChannelSettings->getFreqTrackerSettings();
// transfer data that has been modified. When force is on transfer all data except reverse API data
if (channelSettingsKeys.contains("inputFrequencyOffset") || force) {
swgFreqTrackerSettings->setInputFrequencyOffset(settings.m_inputFrequencyOffset);
}
if (channelSettingsKeys.contains("rfBandwidth") || force) {
swgFreqTrackerSettings->setRfBandwidth(settings.m_rfBandwidth);
}
if (channelSettingsKeys.contains("log2Decim") || force) {
swgFreqTrackerSettings->setLog2Decim(settings.m_log2Decim);
}
if (channelSettingsKeys.contains("squelch") || force) {
swgFreqTrackerSettings->setSquelch(settings.m_squelch);
}
if (channelSettingsKeys.contains("rgbColor") || force) {
swgFreqTrackerSettings->setRgbColor(settings.m_rgbColor);
}
if (channelSettingsKeys.contains("title") || force) {
swgFreqTrackerSettings->setTitle(new QString(settings.m_title));
}
if (channelSettingsKeys.contains("spanLog2") || force) {
swgFreqTrackerSettings->setSpanLog2(settings.m_spanLog2);
}
if (channelSettingsKeys.contains("alphaEMA") || force) {
swgFreqTrackerSettings->setAlphaEma(settings.m_alphaEMA);
}
if (channelSettingsKeys.contains("tracking") || force) {
swgFreqTrackerSettings->setTracking(settings.m_tracking ? 1 : 0);
}
if (channelSettingsKeys.contains("trackerType") || force) {
swgFreqTrackerSettings->setTrackerType((int) settings.m_trackerType);
}
if (channelSettingsKeys.contains("pllPskOrder") || force) {
swgFreqTrackerSettings->setPllPskOrder(settings.m_pllPskOrder);
}
if (channelSettingsKeys.contains("rrc") || force) {
swgFreqTrackerSettings->setRrc(settings.m_rrc ? 1 : 0);
}
if (channelSettingsKeys.contains("rrcRolloff") || force) {
swgFreqTrackerSettings->setRrcRolloff(settings.m_rrcRolloff);
}
if (channelSettingsKeys.contains("squelchGate") || force) {
swgFreqTrackerSettings->setSquelchGate(settings.m_squelchGate);
}
if (channelSettingsKeys.contains("streamIndex") || force) {
swgFreqTrackerSettings->setStreamIndex(settings.m_streamIndex);
}
}
void FreqTracker::networkManagerFinished(QNetworkReply *reply)
{
QNetworkReply::NetworkError replyError = reply->error();
if (replyError)
{
qWarning() << "FreqTracker::networkManagerFinished:"
<< " error(" << (int) replyError
<< "): " << replyError
<< ": " << reply->errorString();
}
else
{
QString answer = reply->readAll();
answer.chop(1); // remove last \n
qDebug("FreqTracker::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
}
reply->deleteLater();
}
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