Some work about adaptive color scheme for Web UI (PR #19901) http://[316:c51a:62a3:8b9::4]/d4708/qBittorrent/src/branch/adaptive-webui
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/*
* Bittorrent Client using Qt and libtorrent.
* Copyright (C) 2013 Nick Tiskov <daymansmail@gmail.com>
*
* 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; either version 2
* 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* In addition, as a special exception, the copyright holders give permission to
* link this program with the OpenSSL project's "OpenSSL" library (or with
* modified versions of it that use the same license as the "OpenSSL" library),
* and distribute the linked executables. You must obey the GNU General Public
* License in all respects for all of the code used other than "OpenSSL". If you
* modify file(s), you may extend this exception to your version of the file(s),
* but you are not obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*/
#include "statsdialog.h"
#include "base/bittorrent/cachestatus.h"
#include "base/bittorrent/session.h"
#include "base/bittorrent/sessionstatus.h"
#include "base/bittorrent/torrenthandle.h"
#include "base/utils/misc.h"
#include "base/utils/string.h"
#include "ui_statsdialog.h"
StatsDialog::StatsDialog(QWidget *parent)
: QDialog(parent)
, m_ui(new Ui::StatsDialog)
{
m_ui->setupUi(this);
setAttribute(Qt::WA_DeleteOnClose);
connect(m_ui->buttonBox, &QDialogButtonBox::accepted, this, &StatsDialog::close);
update();
connect(BitTorrent::Session::instance(), &BitTorrent::Session::statsUpdated
, this, &StatsDialog::update);
show();
}
StatsDialog::~StatsDialog()
{
delete m_ui;
}
void StatsDialog::update()
{
const BitTorrent::SessionStatus &ss = BitTorrent::Session::instance()->status();
const BitTorrent::CacheStatus &cs = BitTorrent::Session::instance()->cacheStatus();
// Alltime DL/UL
quint64 atd = BitTorrent::Session::instance()->getAlltimeDL();
quint64 atu = BitTorrent::Session::instance()->getAlltimeUL();
m_ui->labelAlltimeDL->setText(Utils::Misc::friendlyUnit(atd));
m_ui->labelAlltimeUL->setText(Utils::Misc::friendlyUnit(atu));
// Total waste (this session)
m_ui->labelWaste->setText(Utils::Misc::friendlyUnit(ss.totalWasted));
// Global ratio
m_ui->labelGlobalRatio->setText(
((atd > 0) && (atu > 0))
? Utils::String::fromDouble(static_cast<qreal>(atu) / atd, 2)
: "-");
// Cache hits
qreal readRatio = cs.readRatio;
m_ui->labelCacheHits->setText((readRatio >= 0) ? Utils::String::fromDouble(100 * readRatio, 2) : "-");
// Buffers size
m_ui->labelTotalBuf->setText(Utils::Misc::friendlyUnit(cs.totalUsedBuffers * 16 * 1024));
// Disk overload (100%) equivalent
// From lt manual: disk_write_queue and disk_read_queue are the number of peers currently waiting on a disk write or disk read
// to complete before it receives or sends any more data on the socket. It's a metric of how disk bound you are.
// num_peers is not reliable (adds up peers, which didn't even overcome tcp handshake)
quint32 peers = 0;
foreach (BitTorrent::TorrentHandle *const torrent, BitTorrent::Session::instance()->torrents())
peers += torrent->peersCount();
m_ui->labelWriteStarve->setText(QString("%1%")
.arg(((ss.diskWriteQueue > 0) && (peers > 0))
? Utils::String::fromDouble((100. * ss.diskWriteQueue) / peers, 2)
: "0"));
m_ui->labelReadStarve->setText(QString("%1%")
.arg(((ss.diskReadQueue > 0) && (peers > 0))
? Utils::String::fromDouble((100. * ss.diskReadQueue) / peers, 2)
: "0"));
// Disk queues
m_ui->labelQueuedJobs->setText(QString::number(cs.jobQueueLength));
m_ui->labelJobsTime->setText(tr("%1 ms", "18 milliseconds").arg(cs.averageJobTime));
m_ui->labelQueuedBytes->setText(Utils::Misc::friendlyUnit(cs.queuedBytes));
// Total connected peers
m_ui->labelPeers->setText(QString::number(ss.peersCount));
}