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129 lines
3.5 KiB
129 lines
3.5 KiB
/* BEGIN_COMMON_COPYRIGHT_HEADER
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* (c)LGPL2+
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**
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** SysStat is a Qt-based interface to system statistics
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**
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** Authors:
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** Copyright (c) 2009 - 2012 Kuzma Shapran <Kuzma.Shapran@gmail.com>
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**
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** This library is free software; you can redistribute it and/or
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** 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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**
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** You should have received a copy of the GNU Lesser General Public
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** License along with this library;
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** if not, write to the Free Software Foundation, Inc.,
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** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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**
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** END_COMMON_COPYRIGHT_HEADER */
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#include "netstat.h"
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#include "netstat_p.h"
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namespace SysStat {
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NetStatPrivate::NetStatPrivate(NetStat *parent)
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: BaseStatPrivate(parent)
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{
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mSource = defaultSource();
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connect(mTimer, SIGNAL(timeout()), SLOT(timeout()));
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QStringList rows(readAllFile("/proc/net/dev").split(QChar('\n'), QString::SkipEmptyParts));
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rows.erase(rows.begin(), rows.begin() + 2);
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foreach (QString row, rows)
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{
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QStringList tokens = row.split(QChar(':'), QString::SkipEmptyParts);
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if (tokens.size() != 2)
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continue;
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mSources.append(tokens[0].trimmed());
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}
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}
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NetStatPrivate::~NetStatPrivate()
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{
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}
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void NetStatPrivate::timeout()
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{
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QStringList rows(readAllFile("/proc/net/dev").split(QChar('\n'), QString::SkipEmptyParts));
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if (rows.size() < 2)
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return;
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QStringList names = rows[1].split(QChar('|'));
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if (names.size() != 3)
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return;
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QStringList namesR = names[1].split(QChar(' '), QString::SkipEmptyParts);
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QStringList namesT = names[2].split(QChar(' '), QString::SkipEmptyParts);
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int receivedIndex = namesR.indexOf("bytes");
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int transmittedIndex = namesR.size() + namesT.indexOf("bytes");
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rows.erase(rows.begin(), rows.begin() + 2);
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foreach (QString row, rows)
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{
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QStringList tokens = row.split(QChar(':'), QString::SkipEmptyParts);
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if (tokens.size() != 2)
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continue;
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QString interfaceName = tokens[0].trimmed();
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QStringList data = tokens[1].split(QChar(' '), QString::SkipEmptyParts);
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if (data.size() < transmittedIndex)
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continue;
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Values current;
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current.received = data[receivedIndex ].toULongLong();
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current.transmitted = data[transmittedIndex].toULongLong();
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if (!mPrevious.contains(interfaceName))
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mPrevious.insert(interfaceName, Values());
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const Values &previous = mPrevious[interfaceName];
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if (interfaceName == mSource)
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emit update((( current.received - previous.received ) * 1000 ) / mTimer->interval(), (( current.transmitted - previous.transmitted ) * 1000 ) / mTimer->interval());
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mPrevious[interfaceName] = current;
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}
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}
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QString NetStatPrivate::defaultSource()
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{
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return "lo";
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}
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NetStatPrivate::Values::Values()
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: received(0)
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, transmitted(0)
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{
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}
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NetStat::NetStat(QObject *parent)
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: BaseStat(parent)
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{
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impl = new NetStatPrivate(this);
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baseimpl = impl;
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connect(impl, SIGNAL(update(unsigned,unsigned)), this, SIGNAL(update(unsigned,unsigned)));
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}
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NetStat::~NetStat()
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{
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}
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}
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