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authoreilers <eilers>2003-08-08 14:45:49 (UTC)
committer eilers <eilers>2003-08-08 14:45:49 (UTC)
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diff --git a/library/storage.cpp b/library/storage.cpp
index 4e07ec6..1ce43bc 100644
--- a/library/storage.cpp
+++ b/library/storage.cpp
@@ -1,261 +1,346 @@
/**********************************************************************
** Copyright (C) Holger 'zecke' Freyther <freyther@kde.org>
** Copyright (C) Lorn Potter <llornkcor@handhelds.org>
** Copyright (C) 2000 Trolltech AS. All rights reserved.
**
** This file is part of Opie 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.
**
**********************************************************************/
#include <qpe/storage.h>
#if defined(QT_QWS_SL5XXX)
#include <qpe/custom.h>
#endif
#include <qfile.h>
#include <qtimer.h>
#include <qcopchannel_qws.h>
#include <stdio.h>
#if defined(_OS_LINUX_) || defined(Q_OS_LINUX)
#include <sys/vfs.h>
#include <mntent.h>
#endif
#include <qstringlist.h>
#include <sys/vfs.h>
#include <mntent.h>
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;
}
+/*! \class StorageInfo storage.h
+ \brief The StorageInfo class describes the disks mounted on the file system.
+
+ This class provides access to the mount information for the Linux
+ filesystem. Each mount point is represented by the FileSystem class.
+ To ensure this class has the most up to date size information, call
+ the update() method. Note that this will automatically be signaled
+ by the operating system when a disk has been mounted or unmounted.
+
+ \ingroup qtopiaemb
+*/
+
+/*! Constructor that determines the current mount points of the filesystem.
+ The standard \a parent parameters is passed on to QObject.
+ */
StorageInfo::StorageInfo( QObject *parent )
: QObject( parent )
{
mFileSystems.setAutoDelete( TRUE );
channel = new QCopChannel( "QPE/Card", this );
connect( channel, SIGNAL(received(const QCString &, const QByteArray &)),
this, SLOT(cardMessage( const QCString &, const QByteArray &)) );
update();
}
+/*! Returns the longest matching FileSystem that starts with the
+ same prefix as \a filename as its mount point.
+*/
const FileSystem *StorageInfo::fileSystemOf( const QString &filename )
{
for (QListIterator<FileSystem> i(mFileSystems); i.current(); ++i) {
if ( filename.startsWith( (*i)->path() ) )
return (*i);
}
return 0;
}
void StorageInfo::cardMessage( const QCString& msg, const QByteArray& )
{
if ( msg == "mtabChanged()" )
update();
}
+
+
+/*! Updates the mount and free space available information for each mount
+ point. This method is automatically called when a disk is mounted or
+ unmounted.
+*/
// cause of the lack of a d pointer we need
// to store informations in a config file :(
void StorageInfo::update()
{
//qDebug("StorageInfo::updating");
#if defined(_OS_LINUX_) || defined(Q_OS_LINUX)
struct mntent *me;
FILE *mntfp = setmntent( "/etc/mtab", "r" );
QStringList curdisks;
QStringList curopts;
QStringList curfs;
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( 14 ) == "/dev/mmc/part1"
|| fs.left(5)=="tmpfs" || fs.left(9)=="/dev/root" )
{
n++;
curdisks.append(fs);
curopts.append( me->mnt_opts );
//qDebug("-->fs %s opts %s", fs.latin1(), me->mnt_opts );
curfs.append( me->mnt_dir );
bool found = FALSE;
for (QListIterator<FileSystem> i(mFileSystems); i.current(); ++i) {
if ( (*i)->disk() == fs ) {
found = TRUE;
break;
}
}
if ( !found )
rebuild = TRUE;
}
}
endmntent( mntfp );
}
if ( rebuild || n != (int)mFileSystems.count() ) {
mFileSystems.clear();
QStringList::ConstIterator it=curdisks.begin();
QStringList::ConstIterator fsit=curfs.begin();
QStringList::ConstIterator optsIt=curopts.begin();
for (; it!=curdisks.end(); ++it, ++fsit, ++optsIt) {
QString opts = *optsIt;
QString disk = *it;
QString humanname;
bool removable = FALSE;
if ( isCF(disk) ) {
humanname = tr("CF Card");
removable = TRUE;
} else if ( disk == "/dev/hda1" ) {
humanname = tr("Hard Disk");
} else if ( disk.left(9) == "/dev/mmcd" ) {
humanname = tr("SD Card");
removable = TRUE;
} else if ( disk.left( 14 ) == "/dev/mmc/part1" ) {
humanname = tr("MMC Card");
removable = TRUE;
} else if ( disk.left(7) == "/dev/hd" )
humanname = tr("Hard Disk") + " " + disk;
else if ( disk.left(7) == "/dev/sd" )
humanname = tr("SCSI Hard Disk") + " " + disk;
else if ( disk.left(14) == "/dev/mtdblock6" ) //openzaurus ramfs
humanname = tr("Internal Memory");
else if ( disk == "/dev/mtdblock1" || humanname == "/dev/mtdblock/1" )
humanname = tr("Internal Storage");
else if ( disk.left(14) == "/dev/mtdblock/" )
humanname = tr("Internal Storage") + " " + disk;
else if ( disk.left(13) == "/dev/mtdblock" )
humanname = tr("Internal Storage") + " " + disk;
else if ( disk.left(9) == "/dev/root" )
humanname = tr("Internal Storage") + " " + disk;
else if ( disk.left(5) == "tmpfs" ) //ipaqs /mnt/ramfs
humanname = tr("Internal Memory");
FileSystem *fs = new FileSystem( disk, *fsit, humanname, removable, opts );
mFileSystems.append( fs );
}
emit disksChanged();
} else {
// just update them
for (QListIterator<FileSystem> i(mFileSystems); i.current(); ++i)
i.current()->update();
}
#endif
}
bool deviceTab( const char *device) {
QString name = device;
bool hasDevice=false;
struct mntent *me;
FILE *mntfp = setmntent( "/etc/mtab", "r" );
if ( mntfp ) {
while ( (me = getmntent( mntfp )) != 0 ) {
QString deviceName = me->mnt_fsname;
// qDebug(deviceName);
if( deviceName.left(name.length()) == name) {
hasDevice = true;
}
}
}
endmntent( mntfp );
return hasDevice;
}
/*!
* @fn static bool StorageInfo::hasCf()
* @brief returns whether device has Cf mounted
*
*/
bool StorageInfo::hasCf()
{
return deviceTab("/dev/hd");
}
/*!
* @fn static bool StorageInfo::hasSd()
* @brief returns whether device has SD mounted
*
*/
bool StorageInfo::hasSd()
{
return deviceTab("/dev/mmcd");
}
/*!
* @fn static bool StorageInfo::hasMmc()
* @brief reutrns whether device has mmc mounted
*
*/
bool StorageInfo::hasMmc()
{
bool hasMmc=false;
if( deviceTab("/dev/mmc/part"))
hasMmc=true;
if( deviceTab("/dev/mmcd"))
hasMmc=true;
return hasMmc;
}
+/*! \fn const QList<FileSystem> &StorageInfo::fileSystems() const
+ Returns a list of all available mounted file systems.
+
+ \warning This may change in Qtopia 3.x to return only relevant Qtopia file systems (and ignore mount points such as /tmp)
+*/
+/*! \fn void StorageInfo::disksChanged()
+ Gets emitted when a disk has been mounted or unmounted, such as when
+ a CF c
+*/
//---------------------------------------------------------------------------
FileSystem::FileSystem( const QString &disk, const QString &path, const QString &name, bool rem, const QString &o )
: fsdisk( disk ), fspath( path ), humanname( name ), blkSize(512), totalBlks(0), availBlks(0), removable( rem ), opts( o )
{
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
}
+/*! \class FileSystem storage.h
+ \brief The FileSystem class describes a single mount point.
+
+ This class simply returns information about a mount point, including
+ file system name, mount point, human readable name, size information
+ and mount options information.
+ \ingroup qtopiaemb
+
+ \sa StorageInfo
+*/
+
+/*! \fn const QString &FileSystem::disk() const
+ Returns the file system name, such as /dev/hda3
+*/
+
+/*! \fn const QString &FileSystem::path() const
+ Returns the mount path, such as /home
+*/
+
+/*! \fn const QString &FileSystem::name() const
+ Returns the translated, human readable name for the mount directory.
+*/
+
+/*! \fn const QString &FileSystem::options() const
+ Returns the mount options
+*/
+
+/*! \fn long FileSystem::blockSize() const
+ Returns the size of each block on the file system.
+*/
+
+/*! \fn long FileSystem::totalBlocks() const
+ Returns the total number of blocks on the file system
+*/
+
+/*! \fn long FileSystem::availBlocks() const
+ Returns the number of available blocks on the file system
+ */
+
+/*! \fn bool FileSystem::isRemovable() const
+ Returns flag whether the file system can be removed, such as a CF card
+ would be removable, but the internal memory wouldn't
+*/
+
+/*! \fn bool FileSystem::isWritable() const
+ Returns flag whether the file system is mounted as writable or read-only.
+ Returns FALSE if read-only, TRUE if read and write.
+*/
+
+/*! \fn QStringList StorageInfo::fileSystemNames() const
+ Returns a list of filesystem names.
+*/