qBittorrent/src/gui/statsdialog.cpp
2015-12-06 14:27:00 +03:00

106 lines
4.5 KiB
C++

/*
* Bittorrent Client using Qt4 and libtorrent.
* Copyright (C) 2013 Nick Tiskov
*
* 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.
*
* Contact : daymansmail@gmail.com
*/
#include "statsdialog.h"
#include "ui_statsdialog.h"
#include "base/utils/misc.h"
#include "base/utils/string.h"
#include "base/bittorrent/session.h"
#include "base/bittorrent/sessionstatus.h"
#include "base/bittorrent/cachestatus.h"
#include "base/bittorrent/torrenthandle.h"
StatsDialog::StatsDialog(QWidget *parent)
: QDialog(parent)
, ui(new Ui::StatsDialog)
{
ui->setupUi(this);
setAttribute(Qt::WA_DeleteOnClose);
connect(ui->buttonOK, SIGNAL(clicked()), SLOT(close()));
updateUI();
t = new QTimer(this);
t->setInterval(1500);
connect(t, SIGNAL(timeout()), SLOT(updateUI()));
t->start();
show();
}
StatsDialog::~StatsDialog() {
t->stop();
delete t;
delete ui;
}
void StatsDialog::updateUI() {
BitTorrent::SessionStatus ss = BitTorrent::Session::instance()->status();
BitTorrent::CacheStatus cs = BitTorrent::Session::instance()->cacheStatus();
// Alltime DL/UL
quint64 atd = BitTorrent::Session::instance()->getAlltimeDL();
quint64 atu = BitTorrent::Session::instance()->getAlltimeUL();
ui->labelAlltimeDL->setText(Utils::Misc::friendlyUnit(atd));
ui->labelAlltimeUL->setText(Utils::Misc::friendlyUnit(atu));
// Total waste (this session)
ui->labelWaste->setText(Utils::Misc::friendlyUnit(ss.totalWasted()));
// Global ratio
ui->labelGlobalRatio->setText(
( atd > 0 && atu > 0 ) ?
Utils::String::fromDouble((qreal)atu / (qreal)atd, 2) :
"-"
);
// Cache hits
qreal readRatio = cs.readRatio();
ui->labelCacheHits->setText((readRatio >= 0) ? Utils::String::fromDouble(100 * readRatio, 2) : "-");
// Buffers size
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();
ui->labelWriteStarve->setText(QString("%1%").arg(((ss.diskWriteQueue() > 0) && (peers > 0))
? Utils::String::fromDouble((100. * ss.diskWriteQueue()) / peers, 2)
: "0"));
ui->labelReadStarve->setText(QString("%1%").arg(((ss.diskReadQueue() > 0) && (peers > 0))
? Utils::String::fromDouble((100. * ss.diskReadQueue()) / peers, 2)
: "0"));
// Disk queues
ui->labelQueuedJobs->setText(QString::number(cs.jobQueueLength()));
ui->labelJobsTime->setText(QString::number(cs.averageJobTime()));
ui->labelQueuedBytes->setText(Utils::Misc::friendlyUnit(cs.queuedBytes()));
// Total connected peers
ui->labelPeers->setText(QString::number(ss.peersCount()));
}