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k3b/libk3b/core/k3bglobals.cpp

635 lines
14 KiB

/*
*
* $Id: k3bglobals.cpp 659634 2007-04-30 14:51:32Z trueg $
* Copyright (C) 2003 Sebastian Trueg <trueg@k3b.org>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* See the file "COPYING" for the exact licensing terms.
*/
#include <config.h>
#include "k3bglobals.h"
#include <k3bversion.h>
#include <k3bdevice.h>
#include <k3bdevicemanager.h>
#include <k3bdeviceglobals.h>
#include <k3bexternalbinmanager.h>
#include <k3bcore.h>
#include <k3bhalconnection.h>
#include <kdeversion.h>
#include <kglobal.h>
#include <klocale.h>
#include <kstandarddirs.h>
#include <kconfig.h>
#include <kapplication.h>
#include <kdebug.h>
#include <kio/job.h>
#include <kio/netaccess.h>
#include <kurl.h>
#include <dcopref.h>
#include <kprocess.h>
#include <tqdatastream.h>
#include <tqdir.h>
#include <tqfile.h>
#include <cmath>
#include <sys/utsname.h>
#include <sys/stat.h>
#if defined(__FreeBSD__) || defined(__NetBSD__)
# include <sys/param.h>
# include <sys/mount.h>
# include <sys/endian.h>
# define bswap_16(x) bswap16(x)
# define bswap_32(x) bswap32(x)
# define bswap_64(x) bswap64(x)
#else
# include <byteswap.h>
#endif
#ifdef HAVE_SYS_STATVFS_H
# include <sys/statvfs.h>
#endif
#ifdef HAVE_SYS_VFS_H
# include <sys/vfs.h>
#endif
/*
struct Sample {
unsigned char msbLeft;
unsigned char lsbLeft;
unsigned char msbRight;
unsigned char lsbRight;
short left() const {
return ( msbLeft << 8 ) | lsbLeft;
}
short right() const {
return ( msbRight << 8 ) | lsbRight;
}
void left( short d ) {
msbLeft = d >> 8;
lsbLeft = d;
}
void right( short d ) {
msbRight = d >> 8;
lsbRight = d;
}
};
*/
TQString K3b::framesToString( int h, bool showFrames )
{
int m = h / 4500;
int s = (h % 4500) / 75;
int f = h % 75;
TQString str;
if( showFrames ) {
// cdrdao needs the MSF format where 1 second has 75 frames!
str.sprintf( "%.2i:%.2i:%.2i", m, s, f );
}
else
str.sprintf( "%.2i:%.2i", m, s );
return str;
}
/*TQString K3b::sizeToTime(long size)
{
int h = size / sizeof(Sample) / 588;
return framesToString(h, false);
}*/
TQ_INT16 K3b::swapByteOrder( const TQ_INT16& i )
{
return bswap_16( i );
//((i << 8) & 0xff00) | ((i >> 8 ) & 0xff);
}
TQ_INT32 K3b::swapByteOrder( const TQ_INT32& i )
{
//return ((i << 24) & 0xff000000) | ((i << 8) & 0xff0000) | ((i >> 8) & 0xff00) | ((i >> 24) & 0xff );
return bswap_32( i );
}
TQ_INT64 K3b::swapByteOrder( const TQ_INT64& i )
{
return bswap_64( i );
}
int K3b::round( double d )
{
return (int)( floor(d) + 0.5 <= d ? ceil(d) : floor(d) );
}
TQString K3b::findUniqueFilePrefix( const TQString& _prefix, const TQString& path )
{
TQString url;
if( path.isEmpty() || !TQFile::exists(path) )
url = defaultTempPath();
else
url = prepareDir( path );
TQString prefix = _prefix;
if( prefix.isEmpty() )
prefix = "k3b_";
// now create the unique prefix
TQDir dir( url );
TQStringList entries = dir.entryList( TQDir::DefaultFilter, TQDir::Name );
int i = 0;
for( TQStringList::iterator it = entries.begin();
it != entries.end(); ++it ) {
if( (*it).startsWith( prefix + TQString::number(i) ) ) {
i++;
it = entries.begin();
}
}
return url + prefix + TQString::number(i);
}
TQString K3b::findTempFile( const TQString& ending, const TQString& d )
{
return findUniqueFilePrefix( "k3b_", d ) + ( ending.isEmpty() ? TQString() : (TQString::tqfromLatin1(".") + ending) );
}
TQString K3b::defaultTempPath()
{
TQString oldGroup = kapp->config()->group();
kapp->config()->setGroup( "General Options" );
TQString url = kapp->config()->readPathEntry( "Temp Dir", KGlobal::dirs()->resourceDirs( "tmp" ).first() );
kapp->config()->setGroup( oldGroup );
return prepareDir(url);
}
TQString K3b::prepareDir( const TQString& dir )
{
return (dir + (dir[dir.length()-1] != '/' ? "/" : ""));
}
TQString K3b::parentDir( const TQString& path )
{
TQString tqparent = path;
if( path[path.length()-1] == '/' )
tqparent.truncate( tqparent.length()-1 );
int pos = tqparent.findRev( '/' );
if( pos >= 0 )
tqparent.truncate( pos+1 );
else // relative path, do anything...
tqparent = "/";
return tqparent;
}
TQString K3b::fixupPath( const TQString& path )
{
TQString s;
bool lastWasSlash = false;
for( unsigned int i = 0; i < path.length(); ++i ) {
if( path[i] == '/' ) {
if( !lastWasSlash ) {
lastWasSlash = true;
s.append( "/" );
}
}
else {
lastWasSlash = false;
s.append( path[i] );
}
}
return s;
}
K3bVersion K3b::kernelVersion()
{
// initialize kernel version
K3bVersion v;
utsname unameinfo;
if( ::uname(&unameinfo) == 0 ) {
v = TQString::fromLocal8Bit( unameinfo.release );
kdDebug() << "kernel version: " << v << endl;
}
else
kdError() << "could not determine kernel version." << endl;
return v;
}
K3bVersion K3b::simpleKernelVersion()
{
return kernelVersion().simplify();
}
TQString K3b::systemName()
{
TQString v;
utsname unameinfo;
if( ::uname(&unameinfo) == 0 ) {
v = TQString::fromLocal8Bit( unameinfo.sysname );
}
else
kdError() << "could not determine system name." << endl;
return v;
}
bool K3b::kbFreeOnFs( const TQString& path, unsigned long& size, unsigned long& avail )
{
struct statvfs fs;
if( ::statvfs( TQFile::encodeName(path), &fs ) == 0 ) {
unsigned long kBfak = fs.f_frsize/1024;
size = fs.f_blocks*kBfak;
avail = fs.f_bavail*kBfak;
return true;
}
else
return false;
}
KIO::filesize_t K3b::filesize( const KURL& url )
{
if( url.isLocalFile() ) {
k3b_struct_stat buf;
if ( !k3b_stat( TQFile::encodeName( url.path() ), &buf ) ) {
return (KIO::filesize_t)buf.st_size;
}
}
KIO::UDSEntry uds;
KIO::NetAccess::stat( url, uds, 0 );
for( KIO::UDSEntry::const_iterator it = uds.begin(); it != uds.end(); ++it ) {
if( (*it).m_uds == KIO::UDS_SIZE ) {
return (*it).m_long;
}
}
return ( KIO::filesize_t )0;
}
KIO::filesize_t K3b::imageFilesize( const KURL& url )
{
KIO::filesize_t size = K3b::filesize( url );
int cnt = 0;
while( KIO::NetAccess::exists( KURL::fromPathOrURL( url.url() + '.' + TQString::number(cnt).rightJustify( 3, '0' ) ), true ) )
size += K3b::filesize( KURL::fromPathOrURL( url.url() + '.' + TQString::number(cnt++).rightJustify( 3, '0' ) ) );
return size;
}
TQString K3b::cutFilename( const TQString& name, unsigned int len )
{
if( name.length() > len ) {
TQString ret = name;
// determine extension (we think of an extension to be at most 5 chars in length)
int pos = name.find( '.', -6 );
if( pos > 0 )
len -= (name.length() - pos);
ret.truncate( len );
if( pos > 0 )
ret.append( name.mid( pos ) );
return ret;
}
else
return name;
}
TQString K3b::removeFilenameExtension( const TQString& name )
{
TQString v = name;
int dotpos = v.findRev( '.' );
if( dotpos > 0 )
v.truncate( dotpos );
return v;
}
TQString K3b::appendNumberToFilename( const TQString& name, int num, unsigned int maxlen )
{
// determine extension (we think of an extension to be at most 5 chars in length)
TQString result = name;
TQString ext;
int pos = name.find( '.', -6 );
if( pos > 0 ) {
ext = name.mid(pos);
result.truncate( pos );
}
ext.prepend( TQString::number(num) );
result.truncate( maxlen - ext.length() );
return result + ext;
}
bool K3b::plainAtapiSupport()
{
// FIXME: what about BSD?
return ( K3b::simpleKernelVersion() >= K3bVersion( 2, 5, 40 ) );
}
bool K3b::hackedAtapiSupport()
{
// IMPROVEME!!!
// FIXME: since when does the kernel support this?
return ( K3b::simpleKernelVersion() >= K3bVersion( 2, 4, 0 ) );
}
TQString K3b::externalBinDeviceParameter( K3bDevice::Device* dev, const K3bExternalBin* bin )
{
#ifdef Q_OS_LINUX
//
// experimental: always use block devices on 2.6 kernels
//
if( simpleKernelVersion() >= K3bVersion( 2, 6, 0 ) )
return dev->blockDeviceName();
else
#endif
if( dev->interfaceType() == K3bDevice::SCSI )
return dev->busTargetLun();
else if( (plainAtapiSupport() && bin->hasFeature("plain-atapi") ) )
return dev->blockDeviceName();
else
return TQString("ATAPI:%1").tqarg(dev->blockDeviceName());
}
int K3b::writingAppFromString( const TQString& s )
{
if( s.lower() == "cdrdao" )
return K3b::CDRDAO;
else if( s.lower() == "cdrecord" )
return K3b::CDRECORD;
else if( s.lower() == "dvdrecord" )
return K3b::DVDRECORD;
else if( s.lower() == "growisofs" )
return K3b::GROWISOFS;
else if( s.lower() == "dvd+rw-format" )
return K3b::DVD_RW_FORMAT;
else
return K3b::DEFAULT;
}
TQString K3b::writingModeString( int mode )
{
if( mode == WRITING_MODE_AUTO )
return i18n("Auto");
else
return K3bDevice::writingModeString( mode );
}
TQString K3b::resolveLink( const TQString& file )
{
TQFileInfo f( file );
TQStringList steps( f.absFilePath() );
while( f.isSymLink() ) {
TQString p = f.readLink();
if( !p.startsWith( "/" ) )
p.prepend( f.dirPath(true) + "/" );
f.setFile( p );
if( steps.contains( f.absFilePath() ) ) {
kdDebug() << "(K3b) symlink loop detected." << endl;
break;
}
else
steps.append( f.absFilePath() );
}
return f.absFilePath();
}
K3bDevice::Device* K3b::urlToDevice( const KURL& deviceUrl )
{
if( deviceUrl.protocol() == "media" || deviceUrl.protocol() == "system" ) {
kdDebug() << "(K3b) Asking mediamanager for " << deviceUrl.fileName() << endl;
DCOPRef mediamanager("kded", "mediamanager");
DCOPReply reply = mediamanager.call("properties(TQString)", deviceUrl.fileName());
TQStringList properties = reply;
if( !reply.isValid() || properties.count() < 6 ) {
kdError() << "(K3b) Invalid reply from mediamanager" << endl;
return 0;
}
else {
kdDebug() << "(K3b) Reply from mediamanager " << properties[5] << endl;
return k3bcore->deviceManager()->findDevice( properties[5] );
}
}
return k3bcore->deviceManager()->findDevice( deviceUrl.path() );
}
KURL K3b::convertToLocalUrl( const KURL& url )
{
if( !url.isLocalFile() ) {
#if KDE_IS_VERSION(3,4,91)
return KIO::NetAccess::mostLocalURL( url, 0 );
#else
#ifndef UDS_LOCAL_PATH
#define UDS_LOCAL_PATH (72 | KIO::UDS_STRING)
#else
using namespace KIO;
#endif
KIO::UDSEntry e;
if( KIO::NetAccess::stat( url, e, 0 ) ) {
const KIO::UDSEntry::ConstIterator end = e.end();
for( KIO::UDSEntry::ConstIterator it = e.begin(); it != end; ++it ) {
if( (*it).m_uds == UDS_LOCAL_PATH && !(*it).m_str.isEmpty() )
return KURL::fromPathOrURL( (*it).m_str );
}
}
#endif
}
return url;
}
KURL::List K3b::convertToLocalUrls( const KURL::List& urls )
{
KURL::List r;
for( KURL::List::const_iterator it = urls.constBegin(); it != urls.constEnd(); ++it )
r.append( convertToLocalUrl( *it ) );
return r;
}
TQ_INT16 K3b::fromLe16( char* data )
{
#ifdef WORDS_BIGENDIAN // __BYTE_ORDER == __BIG_ENDIAN
return swapByteOrder( *((TQ_INT16*)data) );
#else
return *((TQ_INT16*)data);
#endif
}
TQ_INT32 K3b::fromLe32( char* data )
{
#ifdef WORDS_BIGENDIAN // __BYTE_ORDER == __BIG_ENDIAN
return swapByteOrder( *((TQ_INT32*)data) );
#else
return *((TQ_INT32*)data);
#endif
}
TQ_INT64 K3b::fromLe64( char* data )
{
#ifdef WORDS_BIGENDIAN // __BYTE_ORDER == __BIG_ENDIAN
return swapByteOrder( *((TQ_INT64*)data) );
#else
return *((TQ_INT64*)data);
#endif
}
TQString K3b::findExe( const TQString& name )
{
// first we search the path
TQString bin = KStandardDirs::findExe( name );
// then go on with our own little list
if( bin.isEmpty() )
bin = KStandardDirs::findExe( name, k3bcore->externalBinManager()->searchPath().join(":") );
return bin;
}
bool K3b::isMounted( K3bDevice::Device* dev )
{
if( !dev )
return false;
return !KIO::findDeviceMountPoint( dev->blockDeviceName() ).isEmpty();
}
bool K3b::unmount( K3bDevice::Device* dev )
{
if( !dev )
return false;
TQString mntDev = dev->blockDeviceName();
#if KDE_IS_VERSION(3,4,0)
// first try to unmount it the standard way
if( KIO::NetAccess::synchronousRun( KIO::unmount( mntDev, false ), 0 ) )
return true;
#endif
TQString umountBin = K3b::findExe( "umount" );
if( !umountBin.isEmpty() ) {
KProcess p;
p << umountBin;
p << "-l"; // lazy unmount
p << dev->blockDeviceName();
p.start( KProcess::Block );
if( !p.exitStatus() )
return true;
}
// now try pmount
TQString pumountBin = K3b::findExe( "pumount" );
if( !pumountBin.isEmpty() ) {
KProcess p;
p << pumountBin;
p << "-l"; // lazy unmount
p << dev->blockDeviceName();
p.start( KProcess::Block );
return !p.exitStatus();
}
else {
#ifdef HAVE_HAL
return !K3bDevice::HalConnection::instance()->unmount( dev );
#else
return false;
#endif
}
}
bool K3b::mount( K3bDevice::Device* dev )
{
if( !dev )
return false;
TQString mntDev = dev->blockDeviceName();
#if KDE_IS_VERSION(3,4,0)
// first try to mount it the standard way
if( KIO::NetAccess::synchronousRun( KIO::mount( true, 0, mntDev, false ), 0 ) )
return true;
#endif
#ifdef HAVE_HAL
if( !K3bDevice::HalConnection::instance()->mount( dev ) )
return true;
#endif
// now try pmount
TQString pmountBin = K3b::findExe( "pmount" );
if( !pmountBin.isEmpty() ) {
KProcess p;
p << pmountBin;
p << mntDev;
p.start( KProcess::Block );
return !p.exitStatus();
}
return false;
}
bool K3b::eject( K3bDevice::Device* dev )
{
#ifdef HAVE_HAL
if( !K3bDevice::HalConnection::instance()->eject( dev ) )
return true;
#endif
if( K3b::isMounted( dev ) )
K3b::unmount( dev );
return dev->eject();
}