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/****************************************************************************
** Copyright (C) 2001-2010 Klaralvdalens Datakonsult AB. All rights reserved.
**
** This file is part of the KD Tools library.
**
** Licensees holding valid commercial KD Tools licenses may use this file in
** accordance with the KD Tools Commercial License Agreement provided with
** the Software.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU Lesser General Public License version 2 and version 3 as published by the
** Free Software Foundation and appearing in the file LICENSE.LGPL included.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** Contact info@kdab.com if any conditions of this licensing are not
** clear to you.
**
**********************************************************************/
#include "kdsysinfo.h"
#include <sys/utsname.h>
#include <sys/statvfs.h>
#include <QtCore/QFile>
#include <QtCore/QTextStream>
#include <QtCore/QDir>
#include <QtCore/QFileInfo>
namespace KDUpdater {
quint64 installedMemory()
{
#ifdef Q_OS_LINUX
QFile f(QLatin1String("/proc/meminfo"));
f.open(QIODevice::ReadOnly);
QTextStream stream(&f);
while (true) {
const QString s = stream.readLine();
if( !s.startsWith(QLatin1String("MemTotal:" )))
continue;
else if (s.isEmpty())
return quint64();
const QStringList parts = s.split(QLatin1Char(' '), QString::SkipEmptyParts);
return quint64(parts.at(1).toInt() * 1024LL);
}
#else
quint64 physmem;
size_t len = sizeof physmem;
static int mib[2] = { CTL_HW, HW_MEMSIZE };
sysctl(mib, 2, &physmem, &len, 0, 0);
return quint64(physmem);
#endif
return 0;
}
QList<VolumeInfo> mountedVolumes()
{
QList<VolumeInfo> result;
QFile f(QLatin1String("/etc/mtab"));
if (!f.open(QIODevice::ReadOnly)) {
qCritical("%s: Could not open %s: %s", Q_FUNC_INFO, qPrintable(f.fileName()), qPrintable(f.errorString()));
return result; //better error-handling?
}
QTextStream stream(&f);
while (true) {
const QString s = stream.readLine();
if (s.isNull())
return result;
if (!s.startsWith(QLatin1Char('/')))
continue;
const QStringList parts = s.split(QLatin1Char(' '), QString::SkipEmptyParts);
VolumeInfo v;
v.setMountPath(parts.at(1));
v.setVolumeDescriptor(parts.at(0));
v.setFileSystemType(parts.value(2));
struct statvfs data;
if (statvfs(qPrintable(v.mountPath() + QLatin1String("/.")), &data) == 0) {
v.setSize(quint64(static_cast<quint64>(data.f_blocks) * data.f_bsize));
v.setAvailableSize(quint64(static_cast<quint64>(data.f_bavail) * data.f_bsize));
}
result.append(v);
}
return result;
}
QList<ProcessInfo> runningProcesses()
{
QList<ProcessInfo> processes;
QDir procDir(QLatin1String("/proc"));
const QFileInfoList procCont = procDir.entryInfoList(QDir::Dirs | QDir::NoDotAndDotDot | QDir::Readable);
QRegExp validator(QLatin1String("[0-9]+"));
Q_FOREACH (const QFileInfo &info, procCont) {
if (validator.exactMatch(info.fileName())) {
const QString linkPath = QDir(info.absoluteFilePath()).absoluteFilePath(QLatin1String("exe"));
const QFileInfo linkInfo(linkPath);
if (linkInfo.exists()) {
ProcessInfo processInfo;
processInfo.name = linkInfo.symLinkTarget();
processInfo.id = info.fileName().toInt();
processes.append(processInfo);
}
}
}
return processes;
}
} // namespace KDUpdater
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