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75 lines
1.8 KiB
75 lines
1.8 KiB
/* BEGIN_COMMON_COPYRIGHT_HEADER
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* (c)LGPL2+
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*
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* LXDE-Qt - a lightweight, Qt based, desktop toolset
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* http://razor-qt.org
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*
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* Copyright: 2012 Razor team
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* Authors:
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* Kuzma Shapran <kuzma.shapran@gmail.com>
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*
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* This program or library is free software; you can redistribute it
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* and/or modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*
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* END_COMMON_COPYRIGHT_HEADER */
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#include <QRegExp>
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#include <qmath.h>
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#include "lxqtsysstatutils.h"
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namespace PluginSysStat
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{
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QString netSpeedToString(int value)
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{
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QString prefix;
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static const char prefixes[] = "kMG";
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if (value / 10)
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prefix = QChar(prefixes[value / 10 - 1]);
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return QString("%1 %2B/s").arg(1 << (value % 10)).arg(prefix);
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}
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int netSpeedFromString(QString value)
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{
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QRegExp re("^(\\d+) ([kMG])B/s$");
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if (re.exactMatch(value))
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{
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int shift = 0;
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switch (re.cap(2)[0].toLatin1())
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{
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case 'k':
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shift = 10;
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break;
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case 'M':
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shift = 20;
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break;
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case 'G':
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shift = 30;
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break;
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}
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return qCeil(qLn(re.cap(1).toInt()) / qLn(2.)) + shift;
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}
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return 0;
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}
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}
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