void Package::fromDirectory(const std::string &dir)
{
LOG(INFO) << "Reading package from directory \"" << dir << "\".";
setConfigVar(Directory, dir);
activateFlag(HasDirectory);
QFile specsFile(QString::fromStdString(dir + "/PackageSpecs.yml"));
specsFile.open(QFile::ReadOnly);
if(specsFile.isReadable())
{
loadSpecs(specsFile.readAll().toStdString());
}
else
{
LOG(WARNING) << "The package in the directory \"" << dir << "\" has no \"PackageSpecs.yml\" file!";
m_isValid = false;
}
}
void RealTimePlot::run()
{
QMutexLocker guard(_dataMutex);
guard.unlock();
qint64 startTime = QDateTime::currentMSecsSinceEpoch();
loadSpecs(startTime);
while (!_abortFlag)
{
std::vector<double> sampleLine;
guard.relock();
if (_stopRequested)
{
for (auto iter = _sources.begin(); iter != _sources.end();)
{
RealTimePlotInfo *rtplot = *iter;
rtplot->spec->disconnect();
for (unsigned i = 0; i < rtplot->source->curveCount(); ++i)
{
if (PlotInstance *plot = rtplot->source->curve(i))
{
_curves->completeLoading(plot);
}
}
iter = _sources.erase(iter);
delete rtplot;
}
_sources.clear();
_stopRequested = false;
}
for (auto iter = _sources.begin(); iter != _sources.end();)
{
RealTimePlotInfo *rtplot = *iter;
if (rtplot->spec->connection()->isConnected())
{
// Try get new samples.
rtplot->spec->connection()->read(rtplot->readBuffer);
RTMessage *msg = rtplot->spec->incomingMessage();
int bytesRead = 0;
while ((bytesRead = msg->readMessage(rtplot->readBuffer)) > 0)
{
// Trim the buffer of the processed data
rtplot->readBuffer = rtplot->readBuffer.right(rtplot->readBuffer.size() - bytesRead);
unsigned sampleCount = msg->populateValues(sampleLine);
// Do we need to create plots based on the first data sample?
if (rtplot->source->curveCount() == 0)
{
// Create plots.
if (!msg->headings().empty())
{
createPlots(*rtplot, msg->headings());
}
else
{
createPlots(*rtplot, sampleCount);
}
}
double time = 1e-3 * (QDateTime::currentMSecsSinceEpoch() - startTime);
unsigned limit = std::min<unsigned>(rtplot->source->curveCount(), sampleCount);
for (unsigned i = 0; i < limit; ++i)
{
if (PlotInstance *plot = rtplot->source->curve(i))
{
plot->addPoint(QPointF(time, sampleLine[i]));
}
}
}
// Clear the buffer on error, or if too large without reading any data.
if (bytesRead < 0 || rtplot->readBuffer.size() >= MAX_READ_BUFFER_SIZE)
{
rtplot->readBuffer.clear();
}
++iter;
}
else
{
// Disconnected. Remove.
rtplot->spec->disconnect();
for (unsigned i = 0; i < rtplot->source->curveCount(); ++i)
{
if (PlotInstance *plot = rtplot->source->curve(i))
{
_curves->completeLoading(plot);
}
}
iter = _sources.erase(iter);
delete rtplot;
}
}
guard.unlock();
}
}
