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FileTransferWidget: calculate mean

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This commit is contained in:
krepa098 2015-01-17 18:17:40 +01:00
parent 4d5470710a
commit b4f53944cc
2 changed files with 46 additions and 30 deletions
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72
src/chatlog/content/filetransferwidget.cpp
View File

@ -43,7 +43,7 @@ FileTransferWidget::FileTransferWidget(QWidget *parent, ToxFile file)
ui->progressBar->setValue(0);
ui->fileSizeLabel->setText(getHumanReadableSize(file.filesize));
ui->progressLabel->setText("0kiB/s");
ui->etaLabel->setText("-:-");
ui->etaLabel->setText("");
setStyleSheet(Style::getStylesheet(":/ui/fileTransferInstance/grey.css"));
Style::repolish(this);
@ -116,7 +116,10 @@ bool FileTransferWidget::isFilePathWritable(const QString &filepath)
void FileTransferWidget::onFileTransferInfo(ToxFile file)
{
if(fileInfo != file)
QTime now = QTime::currentTime();
qint64 dt = lastTick.msecsTo(now); //ms
if(fileInfo != file || dt < 1000)
return;
fileInfo = file;
@ -127,37 +130,41 @@ void FileTransferWidget::onFileTransferInfo(ToxFile file)
qreal progress = static_cast<qreal>(file.bytesSent) / static_cast<qreal>(file.filesize);
ui->progressBar->setValue(static_cast<int>(progress * 100.0));
// eta, speed
QTime now = QTime::currentTime();
qreal deltaSecs = lastTick.msecsTo(now) / 1000.0;
// ETA, speed
qreal deltaSecs = dt / 1000.0;
if(deltaSecs >= 1.0)
qint64 deltaBytes = qMax(file.bytesSent - lastBytesSent, qint64(0));
qreal bytesPerSec = static_cast<int>(static_cast<qreal>(deltaBytes) / deltaSecs);
// calculate mean
meanData[(meanIndex++) % FTW_MEAN_PERIODES] = bytesPerSec;
qreal meanBytesPerSec = 0.0;
for(size_t i = 0; i < FTW_MEAN_PERIODES; ++i)
meanBytesPerSec += meanData[i];
meanBytesPerSec /= qMin(meanIndex, static_cast<size_t>(FTW_MEAN_PERIODES));
// update UI
if(meanBytesPerSec > 0)
{
qint64 deltaBytes = file.bytesSent - lastBytesSent;
qint64 bytesPerSec = static_cast<int>(static_cast<qreal>(deltaBytes) / deltaSecs);
if(bytesPerSec > 0)
{
QTime toGo = QTime(0,0).addSecs(file.filesize / bytesPerSec);
ui->etaLabel->setText(toGo.toString("mm:ss"));
}
else
{
ui->etaLabel->setText("--:--");
}
ui->progressLabel->setText(getHumanReadableSize(bytesPerSec) + "/s");
lastTick = now;
lastBytesSent = file.bytesSent;
// ETA
QTime toGo = QTime(0,0).addSecs((file.filesize - file.bytesSent) / meanBytesPerSec);
ui->etaLabel->setText(toGo.toString("hh:mm:ss"));
}
}
else if(fileInfo.status == ToxFile::PAUSED)
{
ui->etaLabel->setText("--:--");
ui->progressLabel->setText(getHumanReadableSize(0) + "/s");
else
{
ui->etaLabel->setText("");
}
ui->progressLabel->setText(getHumanReadableSize(meanBytesPerSec) + "/s");
lastBytesSent = file.bytesSent;
}
lastTick = now;
// trigger repaint
update();
}
@ -197,9 +204,14 @@ void FileTransferWidget::onFileTransferPaused(ToxFile file)
fileInfo = file;
ui->etaLabel->setText("--:--");
ui->etaLabel->setText("");
ui->progressLabel->setText(getHumanReadableSize(0) + "/s");
// reset mean
meanIndex = 0;
for(size_t i=0; i<FTW_MEAN_PERIODES; ++i)
meanData[i] = 0.0;
setStyleSheet(Style::getStylesheet(":/ui/fileTransferInstance/grey.css"));
Style::repolish(this);
@ -243,7 +255,7 @@ QString FileTransferWidget::getHumanReadableSize(qint64 size)
if (size > 0)
exp = std::min( (int) (log(size) / log(1024)), (int) (sizeof(suffix) / sizeof(suffix[0]) - 1));
return QString().setNum(size / pow(1024, exp),'f',2).append(suffix[exp]);
return QString().setNum(size / pow(1024, exp),'f', exp > 2 ? 2 : 0).append(suffix[exp]);
}
void FileTransferWidget::hideWidgets()

4
src/chatlog/content/filetransferwidget.h
View File

@ -22,6 +22,8 @@
#include "../chatlinecontent.h"
#include "../../corestructs.h"
#define FTW_MEAN_PERIODES 4
namespace Ui {
class FileTransferWidget;
}
@ -64,6 +66,8 @@ private:
QTime lastTick;
qint64 lastBytesSent = 0;
qreal meanData[FTW_MEAN_PERIODES] = {0.0};
size_t meanIndex = 0;
};
#endif // FILETRANSFERWIDGET_H