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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 "kdbytesize.h"
#include "kdversion.h"
#include <sys/utsname.h>
#include <sys/statvfs.h>
#include <QtCore/QFile>
#include <QtCore/QTextStream>
#include <QtCore/QDir>
#include <QtCore/QFileInfo>
KDSysInfo::OperatingSystemType KDSysInfo::osType()
{
#if defined( Q_OS_LINUX )
return Linux;
#else
UnknownOperatingSystem;
#endif
}
KDVersion KDSysInfo::osVersion()
{
#if defined( Q_OS_LINUX )
struct utsname info;
uname( &info );
QString v = QString::fromLatin1( info.release );
if( v.contains( QString::fromLatin1( "-" ) ) )
v = v.mid( 0, v.indexOf( QString::fromLatin1( "-" ) ) );
return KDVersion::fromString( v );
#else
return KDVersion();
#endif
}
QString KDSysInfo::osDescription()
{
#if defined( Q_OS_LINUX )
return QObject::tr( "Linux %1" ).arg( osVersion().toString() );
#else
return QString();
#endif
}
KDByteSize KDSysInfo::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 KDByteSize();
const QStringList parts = s.split( QLatin1Char( ' ' ), QString::SkipEmptyParts );
return KDByteSize( 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 KDByteSize( physmem );
#endif
return KDByteSize();
}
KDSysInfo::ArchitectureType KDSysInfo::architecture()
{
return UnknownArchitecture;
}
QList< KDSysInfo::Volume > KDSysInfo::mountedVolumes()
{
QList< Volume > 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 QList<KDSysInfo::Volume>(); //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 );
Volume v;
v.setName( parts.at( 1 ) );
v.setPath( parts.at( 1 ) );
struct statvfs data;
if( statvfs( qPrintable( v.name() ), &data ) == 0 )
{
v.setSize( KDByteSize( static_cast< quint64 >( data.f_blocks ) * data.f_bsize ) );
v.setAvailableSpace( KDByteSize( static_cast< quint64> ( data.f_bfree ) * data.f_bsize ) );
}
result.push_back( v );
}
return result;
}
QList< KDSysInfo::ProcessInfo > KDSysInfo::runningProcesses()
{
QList< KDSysInfo::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() )
{
KDSysInfo::ProcessInfo processInfo;
processInfo.name = linkInfo.symLinkTarget();
processInfo.id = info.fileName().toInt();
processes.append( processInfo );
}
}
}
return processes;
}
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