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Add dialog to show statistics

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Nick Tiskov 2013-11-17 01:16:24 +04:00
parent 687e7a1343
commit f12b64d36a
9 changed files with 446 additions and 3 deletions
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src/statsdialog.cpp Normal file
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/*
* 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 "misc.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()));
session = QBtSession::instance();
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() {
libtorrent::session* s = session->getSession();
libtorrent::cache_status cache = s->get_cache_status();
libtorrent::session_status ss = s->status();
// Alltime DL/UL
quint64 atd = session->getAlltimeDL();
quint64 atu = session->getAlltimeUL();
ui->labelAlltimeDL->setText(misc::friendlyUnit(atd));
ui->labelAlltimeUL->setText(misc::friendlyUnit(atu));
// Total waste (this session)
ui->labelWaste->setText(misc::friendlyUnit(ss.total_redundant_bytes + ss.total_failed_bytes));
// Global ratio
ui->labelGlobalRatio->setText(
( atd > 0 && atu > 0 ) ?
QString::number( (qreal)atu / (qreal)atd, 'f', 2) :
"-"
);
// Cache hits
ui->labelCacheHits->setText(
( cache.blocks_read > 0 && cache.blocks_read_hit > 0 ) ?
QString("%L1\%").arg(100. * (qreal)cache.blocks_read_hit / (qreal)cache.blocks_read, 0, 'f', 2) :
"-"
);
// Buffers size
ui->labelTotalBuf->setText(misc::friendlyUnit(cache.total_used_buffers * 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'a a metric of how disk bound you are.
// num_peers is not reliable (adds up peers, which didn't even overcome tcp handshake)
const std::vector<libtorrent::torrent_handle> torrents = session->getTorrents();
std::vector<libtorrent::torrent_handle>::const_iterator iBegin = torrents.begin();
std::vector<libtorrent::torrent_handle>::const_iterator iEnd = torrents.begin();
quint32 peers = 0;
for ( ; iBegin < iEnd ; ++iBegin)
peers += (*iBegin).status().num_peers;
ui->labelWriteStarve->setText(
( ss.disk_write_queue > 0 && peers > 0 ) ?
QString("%L1\%").arg(100. * (qreal)ss.disk_write_queue / (qreal)peers, 0, 'f', 2) :
QString("0\%")
);
ui->labelReadStarve->setText(
( ss.disk_read_queue > 0 && peers > 0 ) ?
QString("%L1\%").arg(100. * (qreal)ss.disk_read_queue / (qreal)peers, 0, 'f', 2) :
QString("0\%")
);
// Disk queues
ui->labelQueuedJobs->setText(QString::number(cache.job_queue_length));
ui->labelJobsTime->setText(QString::number(cache.average_job_time));
ui->labelQueuedBytes->setText(misc::friendlyUnit(cache.queued_bytes));
// Total connected peers
ui->labelPeers->setText(QString::number(ss.num_peers));
}