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/**********************************************************************
** Copyright (C) 2000 Trolltech AS. All rights reserved.
**
** This file is part of Qtopia Environment.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
// additions copyright 2002 by L.J. Potter
#include <qlabel.h>
#include <qlayout.h>
#include <qscrollview.h>
#include <qtimer.h>
#include <qwhatsthis.h>
#include "graph.h"
#include "storage.h"
#include <stdio.h>
#if defined(_OS_LINUX_) || defined(Q_OS_LINUX)
#include <sys/vfs.h>
#include <mntent.h>
#endif
StorageInfo::StorageInfo( QWidget *parent, const char *name )
: QWidget( parent, name )
{
QVBoxLayout *tmpvb = new QVBoxLayout( this );
QScrollView *sv = new QScrollView( this );
tmpvb->addWidget( sv, 0, 0 );
sv->setResizePolicy( QScrollView::AutoOneFit );
sv->setFrameStyle( QFrame::NoFrame );
container = new QWidget( sv->viewport() );
sv->addChild( container );
vb = 0x0;
disks.setAutoDelete(TRUE);
lines.setAutoDelete(TRUE);
updateMounts();
startTimer( 5000 );
}
void StorageInfo::timerEvent(QTimerEvent*)
{
updateMounts();
}
static bool isCF(const QString& m)
{
FILE* f = fopen("/var/run/stab", "r");
if (!f) f = fopen("/var/state/pcmcia/stab", "r");
if (!f) f = fopen("/var/lib/pcmcia/stab", "r");
if ( f ) {
char line[1024];
char devtype[80];
char devname[80];
while ( fgets( line, 1024, f ) ) {
// 0 ide ide-cs 0 hda 3 0
if ( sscanf(line,"%*d %s %*s %*s %s", devtype, devname )==2 ) {
if ( QString(devtype) == "ide" && m.find(devname)>0 ) {
fclose(f);
return TRUE;
}
}
}
fclose(f);
}
return FALSE;
}
void StorageInfo::updateMounts()
{
#if defined(_OS_LINUX_) || defined(Q_OS_LINUX)
struct mntent *me;
FILE *mntfp = setmntent( "/etc/mtab", "r" );
QStringList curdisks;
QStringList curfs;
QStringList mountList;
QStringList fsT;
bool rebuild = FALSE;
int n=0;
if ( mntfp ) {
while ( (me = getmntent( mntfp )) != 0 ) {
QString fs = me->mnt_fsname;
if ( fs.left(7)=="/dev/hd" || fs.left(7)=="/dev/sd"
|| fs.left(8)=="/dev/mtd" || fs.left(9) == "/dev/mmcd"
|| fs.left(9) == "/dev/root" || fs.left(5) == "/ramfs"
|| fs.left(5) == "tmpfs" ) {
n++;
curdisks.append(fs);
QString d = me->mnt_dir;
curfs.append(d);
QString mount = me->mnt_dir;
mountList.append(mount);
QString t = me->mnt_type;
fsT.append(t);
if ( !disks.find(d) )
rebuild = TRUE;
}
}
endmntent( mntfp );
}
if ( rebuild || n != (int)disks.count() ) {
disks.clear();
lines.clear();
delete vb;
vb = new QVBoxLayout( container/*, n > 3 ? 1 : 5*/ );
bool frst=TRUE;
QStringList::ConstIterator it = curdisks.begin();
QStringList::ConstIterator fsit = curfs.begin();
QStringList::ConstIterator fsmount = mountList.begin();
QStringList::ConstIterator fsTit = fsT.begin();
for (; it!=curdisks.end(); ++it, ++fsit) {
if ( !frst ) {
QFrame *f = new QFrame( container );
vb->addWidget(f);
f->setFrameStyle( QFrame::HLine | QFrame::Sunken );
lines.append(f);
f->show();
} frst=FALSE;
QString humanname=*it;
if ( isCF(humanname) )
humanname = tr( "CF Card: " );
else if ( humanname == "/dev/hda1" )
humanname = tr( "Hard Disk " );
else if ( humanname.left(9) == "/dev/mmcd" )
humanname = tr( "SD Card " );
else if ( humanname.left(7) == "/dev/hd" )
humanname = tr( "Hard Disk /dev/hd " );
else if ( humanname.left(7) == "/dev/sd" )
humanname = tr( "SCSI Hard Disk /dev/sd " );
else if ( humanname == "/dev/mtdblock1"
|| humanname.left(13) == "/dev/mtdblock"
|| humanname.left(9) == "/dev/root")
humanname = tr( "Int. Storage " );
else if ( humanname.left(5) == "tmpfs" )
humanname = tr( "RAM disk" );
// etc.
humanname.append( *fsmount );
humanname.append( " " );
humanname.append( *fsTit );
humanname.append( " " );
MountInfo* mi = new MountInfo( *fsit, humanname, container );
vb->addWidget(mi);
disks.insert(*fsit,mi);
mi->show();
fsmount++;fsTit++;
QString tempstr = humanname.left( 2 );
if ( tempstr == tr( "CF" ) )
QWhatsThis::add( mi, tr( "This graph represents how much memory is currently used on this Compact Flash memory card." ) );
else if ( tempstr == tr( "Ha" ) )
QWhatsThis::add( mi, tr( "This graph represents how much storage is currently used on this hard drive." ) );
else if ( tempstr == tr( "SD" ) )
QWhatsThis::add( mi, tr( "This graph represents how much memory is currently used on this Secure Digital memory card." ) );
else if ( tempstr == tr( "SC" ) )
QWhatsThis::add( mi, tr( "This graph represents how much storage is currently used on this hard drive." ) );
else if ( tempstr == tr( "In" ) )
QWhatsThis::add( mi, tr( "This graph represents how much memory is currently used of the built-in memory (i.e. Flash memory) on this handheld device." ) );
else if ( tempstr == tr( "RA" ) )
QWhatsThis::add( mi, tr( "This graph represents how much memory is currently used of the temporary RAM disk." ) );
}
vb->addStretch();
} else {
// just update them
for (QDictIterator<MountInfo> i(disks); i.current(); ++i)
i.current()->updateData();
}
#endif
}
MountInfo::MountInfo( const QString &path, const QString &ttl, QWidget *parent, const char *name )
: QWidget( parent, name ), title(ttl)
{
fs = new FileSystem( path );
QVBoxLayout *vb = new QVBoxLayout( this, 3 );
totalSize = new QLabel( this );
vb->addWidget( totalSize );
data = new GraphData();
graph = new BarGraph( this );
graph->setFrameStyle( QFrame::Panel | QFrame::Sunken );
vb->addWidget( graph, 1 );
graph->setData( data );
legend = new GraphLegend( this );
legend->setOrientation(Horizontal);
vb->addWidget( legend );
legend->setData( data );
updateData();
}
MountInfo::~MountInfo()
{
delete data;
delete fs;
}
void MountInfo::updateData()
{
fs->update();
long mult = fs->blockSize() / 1024;
long div = 1024 / fs->blockSize();
if ( !mult ) mult = 1;
if ( !div ) div = 1;
long total = fs->totalBlocks() * mult / div;
long avail = fs->availBlocks() * mult / div;
long used = total - avail;
totalSize->setText( title + tr(" : %1 kB").arg( total ) );
data->clear();
data->addItem( tr("Used (%1 kB)").arg(used), used );
data->addItem( tr("Available (%1 kB)").arg(avail), avail );
graph->repaint( FALSE );
legend->update();
graph->show();
legend->show();
}
//---------------------------------------------------------------------------
FileSystem::FileSystem( const QString &p )
: fspath( p ), blkSize(512), totalBlks(0), availBlks(0)
{
update();
}
void FileSystem::update()
{
#if defined(_OS_LINUX_) || defined(Q_OS_LINUX)
struct statfs fs;
if ( !statfs( fspath.latin1(), &fs ) ) {
blkSize = fs.f_bsize;
totalBlks = fs.f_blocks;
availBlks = fs.f_bavail;
} else {
blkSize = 0;
totalBlks = 0;
availBlks = 0;
}
#endif
}
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