Page MenuHomePhabricator
Differential D5115 Diff 15912 src/qt/trafficgraphwidget.cpp

Changeset View

Standalone View

View Options

src/qt/trafficgraphwidget.cpp

Show First 20 Lines • Show All 50 Lines • ▼ Show 20 Lines if (sampleCount > 0) {
path.lineTo(x, YMARGIN + h); path.lineTo(x, YMARGIN + h);
} }
} }
void TrafficGraphWidget::paintEvent(QPaintEvent *) { void TrafficGraphWidget::paintEvent(QPaintEvent *) {
QPainter painter(this); QPainter painter(this);
painter.fillRect(rect(), Qt::black); painter.fillRect(rect(), Qt::black);
if (fMax <= 0.0f) return; if (fMax <= 0.0f) {
return;
}
QColor axisCol(Qt::gray); QColor axisCol(Qt::gray);
int h = height() - YMARGIN * 2; int h = height() - YMARGIN * 2;
painter.setPen(axisCol); painter.setPen(axisCol);
painter.drawLine(XMARGIN, YMARGIN + h, width() - XMARGIN, YMARGIN + h); painter.drawLine(XMARGIN, YMARGIN + h, width() - XMARGIN, YMARGIN + h);
// decide what order of magnitude we are // decide what order of magnitude we are
int base = floor(log10(fMax)); int base = floor(log10(fMax));
Show All 16 Lines if (fMax / val <= 3.0f) {
axisCol = axisCol.darker(); axisCol = axisCol.darker();
val = pow(10.0f, base - 1); val = pow(10.0f, base - 1);
painter.setPen(axisCol); painter.setPen(axisCol);
painter.drawText(XMARGIN, YMARGIN + h - h * val / fMax - yMarginText, painter.drawText(XMARGIN, YMARGIN + h - h * val / fMax - yMarginText,
QString("%1 %2").arg(val).arg(units)); QString("%1 %2").arg(val).arg(units));
int count = 1; int count = 1;
for (float y = val; y < fMax; y += val, count++) { for (float y = val; y < fMax; y += val, count++) {
// don't overwrite lines drawn above // don't overwrite lines drawn above
if (count % 10 == 0) continue; if (count % 10 == 0) {
continue;
}
int yy = YMARGIN + h - h * y / fMax; int yy = YMARGIN + h - h * y / fMax;
painter.drawLine(XMARGIN, yy, width() - XMARGIN, yy); painter.drawLine(XMARGIN, yy, width() - XMARGIN, yy);
} }
} }
if (!vSamplesIn.empty()) { if (!vSamplesIn.empty()) {
QPainterPath p; QPainterPath p;
paintPath(p, vSamplesIn); paintPath(p, vSamplesIn);
painter.fillPath(p, QColor(0, 255, 0, 128)); painter.fillPath(p, QColor(0, 255, 0, 128));
painter.setPen(Qt::green); painter.setPen(Qt::green);
painter.drawPath(p); painter.drawPath(p);
} }
if (!vSamplesOut.empty()) { if (!vSamplesOut.empty()) {
QPainterPath p; QPainterPath p;
paintPath(p, vSamplesOut); paintPath(p, vSamplesOut);
painter.fillPath(p, QColor(255, 0, 0, 128)); painter.fillPath(p, QColor(255, 0, 0, 128));
painter.setPen(Qt::red); painter.setPen(Qt::red);
painter.drawPath(p); painter.drawPath(p);
} }
} }
void TrafficGraphWidget::updateRates() { void TrafficGraphWidget::updateRates() {
if (!clientModel) return; if (!clientModel) {
return;
}
quint64 bytesIn = clientModel->node().getTotalBytesRecv(), quint64 bytesIn = clientModel->node().getTotalBytesRecv(),
bytesOut = clientModel->node().getTotalBytesSent(); bytesOut = clientModel->node().getTotalBytesSent();
float inRate = float inRate =
(bytesIn - nLastBytesIn) / 1024.0f * 1000 / timer->interval(); (bytesIn - nLastBytesIn) / 1024.0f * 1000 / timer->interval();
float outRate = float outRate =
(bytesOut - nLastBytesOut) / 1024.0f * 1000 / timer->interval(); (bytesOut - nLastBytesOut) / 1024.0f * 1000 / timer->interval();
vSamplesIn.push_front(inRate); vSamplesIn.push_front(inRate);
vSamplesOut.push_front(outRate); vSamplesOut.push_front(outRate);
nLastBytesIn = bytesIn; nLastBytesIn = bytesIn;
nLastBytesOut = bytesOut; nLastBytesOut = bytesOut;
while (vSamplesIn.size() > DESIRED_SAMPLES) { while (vSamplesIn.size() > DESIRED_SAMPLES) {
vSamplesIn.pop_back(); vSamplesIn.pop_back();
} }
while (vSamplesOut.size() > DESIRED_SAMPLES) { while (vSamplesOut.size() > DESIRED_SAMPLES) {
vSamplesOut.pop_back(); vSamplesOut.pop_back();
} }
float tmax = 0.0f; float tmax = 0.0f;
for (const float f : vSamplesIn) { for (const float f : vSamplesIn) {
if (f > tmax) tmax = f; if (f > tmax) {
tmax = f;
}
} }
for (const float f : vSamplesOut) { for (const float f : vSamplesOut) {
if (f > tmax) tmax = f; if (f > tmax) {
tmax = f;
}
} }
fMax = tmax; fMax = tmax;
update(); update();
} }
void TrafficGraphWidget::setGraphRangeMins(int mins) { void TrafficGraphWidget::setGraphRangeMins(int mins) {
nMins = mins; nMins = mins;
int msecsPerSample = nMins * 60 * 1000 / DESIRED_SAMPLES; int msecsPerSample = nMins * 60 * 1000 / DESIRED_SAMPLES;
Show All 19 Lines