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/*
This file is part of cpp-ethereum.
cpp-ethereum 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, either version 3 of the License, or
(at your option) any later version.
cpp-ethereum 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 for more details.
You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file DownloadView.cpp
* @author Gav Wood <i@gavwood.com>
* @date 2014
*/
#include "DownloadView.h"
#include <QtWidgets>
#include <QtCore>
#include <libethereum/DownloadMan.h>
#include "Grapher.h"
using namespace std;
using namespace dev;
using namespace dev::eth;
SyncView::SyncView(QWidget* _p): QWidget(_p)
{
}
void SyncView::paintEvent(QPaintEvent*)
{
QPainter painter(this);
painter.fillRect(rect(), Qt::white);
painter.setRenderHint(QPainter::Antialiasing, true);
painter.setRenderHint(QPainter::HighQualityAntialiasing, true);
if (!m_client || !isVisible() || !rect().width() || !rect().height())
return;
DownloadMan const* man = m_client->downloadMan();
BlockQueueStatus bqs = m_client->blockQueueStatus();
SyncStatus sync = m_client->syncStatus();
unsigned syncFrom = m_client->numberFromHash(PendingBlockHash);
unsigned syncImported = syncFrom;
unsigned syncImporting = syncImported + bqs.importing;
unsigned syncVerified = syncImporting + bqs.verified;
unsigned syncVerifying = syncVerified + bqs.verifying;
unsigned syncUnverified = syncVerifying + bqs.unverified;
unsigned syncCount = syncUnverified + bqs.unknown - syncFrom;
// best effort guess. assumes there's no forks.
unsigned downloadFrom = sync.state == SyncState::Idle ? m_lastSyncFrom : m_client->numberFromHash(m_client->isKnown(man->firstBlock()) ? man->firstBlock() : PendingBlockHash);
unsigned downloadCount = sync.state == SyncState::Idle ? m_lastSyncCount : sync.blocksTotal;
unsigned downloadDone = downloadFrom + (sync.state == SyncState::Idle ? m_lastSyncCount : sync.blocksReceived);
unsigned downloadPoint = downloadFrom + (sync.state == SyncState::Idle ? m_lastSyncCount : man->overview().lastComplete);
unsigned hashFrom = sync.state == SyncState::Hashes ? m_client->numberFromHash(PendingBlockHash) : downloadFrom;
unsigned hashCount = sync.state == SyncState::Hashes ? sync.hashesTotal : downloadCount;
unsigned hashDone = hashFrom + (sync.state == SyncState::Hashes ? sync.hashesReceived : hashCount);
QString labelText = QString("PV%1").arg(sync.protocolVersion);
QColor labelBack = QColor::fromHsv(sync.protocolVersion == 60 ? 30 : sync.protocolVersion == 61 ? 120 : 240, 25, 200);
QColor labelFore = labelBack.darker();
switch (sync.state)
{
case SyncState::Hashes:
if (!syncCount || !sync.hashesEstimated)
{
m_lastSyncFrom = min(hashFrom, m_lastSyncFrom);
m_lastSyncCount = max(hashFrom + hashCount, m_lastSyncFrom + m_lastSyncCount) - m_lastSyncFrom;
m_wasEstimate = sync.hashesEstimated;
}
break;
case SyncState::Blocks:
if (m_wasEstimate)
{
m_lastSyncFrom = downloadFrom;
m_lastSyncCount = downloadCount;
m_wasEstimate = false;
}
break;
case SyncState::Idle:
if (!syncCount)
{
m_lastSyncFrom = (unsigned)-1;
m_lastSyncCount = 0;
labelBack = QColor::fromHsv(0, 0, 200);
labelFore = Qt::white;
labelText = "Idle";
}
default: break;
}
unsigned from = min(min(hashFrom, downloadFrom), min(syncFrom, m_lastSyncFrom));
unsigned count = max(max(hashFrom + hashCount, downloadFrom + downloadCount), max(syncFrom + syncCount, m_lastSyncFrom + m_lastSyncCount)) - from;
/* cnote << "Range " << from << "-" << (from + count) << "(" << hashFrom << "+" << hashCount << "," << downloadFrom << "+" << downloadCount << "," << syncFrom << "+" << syncCount << ")";
auto r = [&](unsigned u) {
return toString((u - from) * 100 / count) + "%";
};
if (count)
{
cnote << "Hashes:" << r(hashDone) << " Blocks:" << r(downloadFlank) << r(downloadDone) << r(downloadPoint);
cnote << "Importing:" << r(syncFrom) << r(syncImported) << r(syncImporting) << r(syncVerified) << r(syncVerifying) << r(syncUnverified);
}
*/
float const squareSize = min(rect().width(), rect().height());
auto middleRect = [&](float w, float h) {
return QRectF(rect().width() / 2 - w / 2, rect().height() / 2 - h / 2, w, h);
};
auto middle = [&](float x) {
return middleRect(squareSize * x, squareSize * x);
};
auto pieProgress = [&](unsigned h, unsigned s, unsigned v, float row, float thickness, unsigned nfrom, unsigned ncount) {
auto arcLen = [&](unsigned x) {
return x * -5760.f / count;
};
auto arcPos = [&](unsigned x) {
return int(90 * 16.f + arcLen(x - from)) % 5760;
};
painter.setPen(QPen(QColor::fromHsv(h, s, v), squareSize * thickness, Qt::SolidLine, Qt::FlatCap));
painter.setBrush(Qt::NoBrush);
painter.drawArc(middle(0.5 + row / 2), arcPos(nfrom), arcLen(ncount));
};
auto pieProgress2 = [&](unsigned h, unsigned s, unsigned v, float row, float orbit, float thickness, unsigned nfrom, unsigned ncount) {
pieProgress(h, s, v, row - orbit, thickness, nfrom, ncount);
pieProgress(h, s, v, row + orbit, thickness, nfrom, ncount);
};
auto pieLabel = [&](QString text, float points, QColor fore, QColor back) {
painter.setBrush(QBrush(back));
painter.setFont(QFont("Helvetica", points, QFont::Bold));
QRectF r = painter.boundingRect(middle(1.f), Qt::AlignCenter, text);
r.adjust(-r.width() / 4, -r.height() / 8, r.width() / 4, r.height() / 8);
painter.setPen(QPen(fore, r.height() / 20));
painter.drawRoundedRect(r, r.height() / 4, r.height() / 4);
painter.drawText(r, Qt::AlignCenter, text);
};
float lineHeight = painter.boundingRect(rect(), Qt::AlignTop | Qt::AlignHCenter, "Ay").height();
auto hProgress = [&](unsigned h, unsigned s, unsigned v, float row, float thickness, unsigned nfrom, unsigned ncount) {
QRectF r = rect();
painter.setPen(QPen(QColor::fromHsv(h, s, v), r.height() * thickness * 3, Qt::SolidLine, Qt::FlatCap));
painter.setBrush(Qt::NoBrush);
auto y = row * (r.height() - lineHeight) + lineHeight;
painter.drawLine(QPointF((nfrom - from) * r.width() / count, y), QPointF((nfrom + ncount - from) * r.width() / count, y));
};
auto hProgress2 = [&](unsigned h, unsigned s, unsigned v, float row, float orbit, float thickness, unsigned nfrom, unsigned ncount) {
hProgress(h, s, v, row - orbit * 3, thickness, nfrom, ncount);
hProgress(h, s, v, row + orbit * 3, thickness, nfrom, ncount);
};
auto hLabel = [&](QString text, float points, QColor fore, QColor back) {
painter.setBrush(QBrush(back));
painter.setFont(QFont("Helvetica", points, QFont::Bold));
QRectF r = painter.boundingRect(rect(), Qt::AlignTop | Qt::AlignHCenter, text);
r.adjust(-r.width() / 4, r.height() / 8, r.width() / 4, 3 * r.height() / 8);
painter.setPen(QPen(fore, r.height() / 20));
painter.drawRoundedRect(r, r.height() / 4, r.height() / 4);
painter.drawText(r, Qt::AlignCenter, text);
};
function<void(unsigned h, unsigned s, unsigned v, float row, float thickness, unsigned nfrom, unsigned ncount)> progress;
function<void(unsigned h, unsigned s, unsigned v, float row, float orbit, float thickness, unsigned nfrom, unsigned ncount)> progress2;
function<void(QString text, float points, QColor fore, QColor back)> label;
if (rect().width() / rect().height() > 5)
{
progress = hProgress;
progress2 = hProgress2;
label = hLabel;
}
else if (rect().height() / rect().width() > 5)
{
}
else
{
progress = pieProgress;
progress2 = pieProgress2;
label = pieLabel;
}
if (sync.state != SyncState::Idle)
{
progress(0, 0, 220, 0.4f, 0.02f, from, hashDone - from); // Download rail
progress(240, 25, 170, 0.4f, 0.02f, downloadDone, downloadPoint - downloadDone); // Latest download point
progress(240, 50, 120, 0.4f, 0.04f, from, downloadDone - from); // Downloaded
}
progress(0, 0, 220, 0.8f, 0.01f, from, count); // Sync rail
progress(0, 0, 170, 0.8f, 0.02f, from, syncUnverified - from); // Verification rail
progress2(60, 25, 170, 0.8f, 0.06f, 0.005f, from, syncVerifying - from); // Verifying.
progress2(120, 25, 170, 0.8f, 0.06f, 0.005f, from, syncVerified - from); // Verified.
progress(120, 50, 120, 0.8f, 0.05f, from, syncFrom - from); // Imported.
progress(0, 0, 120, 0.8f, 0.02f, syncFrom, syncImporting - syncFrom); // Importing.
if (sync.state != SyncState::Idle || (sync.state == SyncState::Idle && !syncCount))
label(labelText, 11, labelFore, labelBack);
}