src/gui/statsdialog.cpp

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2013  Nick Tiskov <daymansmail@gmail.com>
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18  *
  19  * In addition, as a special exception, the copyright holders give permission to
  20  * link this program with the OpenSSL project's "OpenSSL" library (or with
  21  * modified versions of it that use the same license as the "OpenSSL" library),
  22  * and distribute the linked executables. You must obey the GNU General Public
  23  * License in all respects for all of the code used other than "OpenSSL".  If you
  24  * modify file(s), you may extend this exception to your version of the file(s),
  25  * but you are not obligated to do so. If you do not wish to do so, delete this
  26  * exception statement from your version.
  27  */
  28
  29 #include "statsdialog.h"
  30
  31 #include <algorithm>
  32
  33 #include "base/bittorrent/cachestatus.h"
  34 #include "base/bittorrent/session.h"
  35 #include "base/bittorrent/sessionstatus.h"
  36 #include "base/bittorrent/torrent.h"
  37 #include "base/global.h"
  38 #include "base/utils/misc.h"
  39 #include "base/utils/string.h"
  40 #include "ui_statsdialog.h"
  41 #include "utils.h"
  42
  43 #define SETTINGS_KEY(name) u"StatisticsDialog/" name
  44
  45 StatsDialog::StatsDialog(QWidget *parent)
  46     : QDialog(parent)
  47     , m_ui(new Ui::StatsDialog)
  48     , m_storeDialogSize(SETTINGS_KEY(u"Size"_s))
  49 {
  50     m_ui->setupUi(this);
  51
  52     connect(m_ui->buttonBox, &QDialogButtonBox::accepted, this, &StatsDialog::close);
  53
  54     update();
  55     connect(BitTorrent::Session::instance(), &BitTorrent::Session::statsUpdated
  56             , this, &StatsDialog::update);
  57
  58 #ifdef QBT_USES_LIBTORRENT2
  59     m_ui->labelCacheHitsText->hide();
  60     m_ui->labelCacheHits->hide();
  61 #endif
  62
  63     if (const QSize dialogSize = m_storeDialogSize; dialogSize.isValid())
  64         resize(dialogSize);
  65 }
  66
  67 StatsDialog::~StatsDialog()
  68 {
  69     m_storeDialogSize = size();
  70     delete m_ui;
  71 }
  72
  73 void StatsDialog::update()
  74 {
  75     const BitTorrent::SessionStatus &ss = BitTorrent::Session::instance()->status();
  76     const BitTorrent::CacheStatus &cs = BitTorrent::Session::instance()->cacheStatus();
  77
  78     // All-time DL/UL
  79     const qint64 atd = ss.allTimeDownload;
  80     const qint64 atu = ss.allTimeUpload;
  81     m_ui->labelAlltimeDL->setText(Utils::Misc::friendlyUnit(atd));
  82     m_ui->labelAlltimeUL->setText(Utils::Misc::friendlyUnit(atu));
  83     // Total waste (this session)
  84     m_ui->labelWaste->setText(Utils::Misc::friendlyUnit(ss.totalWasted));
  85     // Global ratio
  86     m_ui->labelGlobalRatio->setText(
  87                 ((atd > 0) && (atu > 0))
  88                 ? Utils::String::fromDouble(static_cast<qreal>(atu) / atd, 2)
  89                 : u"-"_s);
  90 #ifndef QBT_USES_LIBTORRENT2
  91     // Cache hits
  92     const qreal readRatio = cs.readRatio;
  93     m_ui->labelCacheHits->setText(u"%1%"_s.arg((readRatio > 0)
  94         ? Utils::String::fromDouble((100 * readRatio), 2)
  95         : u"0"_s));
  96 #endif
  97     // Buffers size
  98     m_ui->labelTotalBuf->setText(Utils::Misc::friendlyUnit(cs.totalUsedBuffers * 16 * 1024));
  99     // Disk overload (100%) equivalent
 100     // From lt manual: disk_write_queue and disk_read_queue are the number of peers currently waiting on a disk write or disk read
 101     // to complete before it receives or sends any more data on the socket. It's a metric of how disk bound you are.
 102
 103     m_ui->labelWriteStarve->setText(u"%1%"_s.arg(((ss.diskWriteQueue > 0) && (ss.peersCount > 0))
 104         ? Utils::String::fromDouble((100. * ss.diskWriteQueue / ss.peersCount), 2)
 105         : u"0"_s));
 106     m_ui->labelReadStarve->setText(u"%1%"_s.arg(((ss.diskReadQueue > 0) && (ss.peersCount > 0))
 107         ? Utils::String::fromDouble((100. * ss.diskReadQueue / ss.peersCount), 2)
 108         : u"0"_s));
 109
 110     // Disk queues
 111     m_ui->labelQueuedJobs->setText(QString::number(cs.jobQueueLength));
 112     m_ui->labelJobsTime->setText(tr("%1 ms", "18 milliseconds").arg(cs.averageJobTime));
 113     m_ui->labelQueuedBytes->setText(Utils::Misc::friendlyUnit(cs.queuedBytes));
 114
 115     // Total connected peers
 116     m_ui->labelPeers->setText(QString::number(ss.peersCount));
 117 }