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k3b/libk3b/jobs/k3breadcdreader.cpp

336 lines
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/*
*
* $Id: k3breadcdreader.cpp 619556 2007-01-03 17:38:12Z 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 "k3breadcdreader.h"
#include <k3bcore.h>
#include <k3bexternalbinmanager.h>
#include <k3bdevice.h>
#include <k3bdevicemanager.h>
#include <k3bprocess.h>
#include <k3bmsf.h>
#include <k3bglobals.h>
#include <kdebug.h>
#include <klocale.h>
#include <kconfig.h>
#include <tqregexp.h>
#include <tqvaluelist.h>
#include <tqstringlist.h>
class K3bReadcdReader::Private
{
public:
Private()
: process(0),
fdToWriteTo(-1),
canceled(false) {
}
K3b::Msf firstSector, lastSector;
K3bProcess* process;
const K3bExternalBin* readcdBinObject;
int fdToWriteTo;
bool canceled;
long blocksToRead;
int unreadableBlocks;
int lastProgress;
int lastProcessedSize;
};
K3bReadcdReader::K3bReadcdReader( K3bJobHandler* jh, TQObject* parent, const char* name )
: K3bJob( jh, parent, name ),
m_noCorr(false),
m_clone(false),
m_noError(false),
m_c2Scan(false),
m_speed(0),
m_retries(128)
{
d = new Private();
}
K3bReadcdReader::~K3bReadcdReader()
{
delete d->process;
delete d;
}
bool K3bReadcdReader::active() const
{
return (d->process ? d->process->isRunning() : false);
}
void K3bReadcdReader::writeToFd( int fd )
{
d->fdToWriteTo = fd;
}
void K3bReadcdReader::start()
{
jobStarted();
d->blocksToRead = 1;
d->unreadableBlocks = 0;
d->lastProgress = 0;
d->lastProcessedSize = 0;
// the first thing to do is to check for readcd
d->readcdBinObject = k3bcore->externalBinManager()->binObject( "readcd" );
if( !d->readcdBinObject ) {
emit infoMessage( i18n("Could not find %1 executable.").tqarg("readcd"), ERROR );
jobFinished(false);
return;
}
// check if we have clone support if we need it
if( m_clone ) {
bool foundCloneSupport = false;
if( !d->readcdBinObject->hasFeature( "clone" ) ) {
// search all readcd installations
K3bExternalProgram* readcdProgram = k3bcore->externalBinManager()->program( "readcd" );
const TQPtrList<K3bExternalBin>& readcdBins = readcdProgram->bins();
for( TQPtrListIterator<K3bExternalBin> it( readcdBins ); it.current(); ++it ) {
if( it.current()->hasFeature( "clone" ) ) {
d->readcdBinObject = it.current();
emit infoMessage( i18n("Using readcd %1 instead of default version for clone support.").tqarg(d->readcdBinObject->version), INFO );
foundCloneSupport = true;
break;
}
}
if( !foundCloneSupport ) {
emit infoMessage( i18n("Could not find readcd executable with cloning support."), ERROR );
jobFinished(false);
return;
}
}
}
// create the commandline
delete d->process;
d->process = new K3bProcess();
connect( d->process, TQT_SIGNAL(stderrLine(const TQString&)), this, TQT_SLOT(slotStdLine(const TQString&)) );
connect( d->process, TQT_SIGNAL(processExited(KProcess*)), this, TQT_SLOT(slotProcessExited(KProcess*)) );
*d->process << d->readcdBinObject;
// display progress
*d->process << "-v";
// Again we assume the device to be set!
*d->process << TQString("dev=%1").tqarg(K3b::externalBinDeviceParameter(m_readDevice,
d->readcdBinObject));
if( m_speed > 0 )
*d->process << TQString("speed=%1").tqarg(m_speed);
// output
if( d->fdToWriteTo != -1 ) {
*d->process << "f=-";
d->process->dupStdout( d->fdToWriteTo );
}
else {
emit newTask( i18n("Writing image to %1.").tqarg(m_imagePath) );
emit infoMessage( i18n("Writing image to %1.").tqarg(m_imagePath), INFO );
*d->process << "f=" + m_imagePath;
}
if( m_noError )
*d->process << "-noerror";
if( m_clone ) {
*d->process << "-clone";
// noCorr can only be used with cloning
if( m_noCorr )
*d->process << "-nocorr";
}
if( m_c2Scan )
*d->process << "-c2scan";
*d->process << TQString("retries=%1").tqarg(m_retries);
// readcd does not read the last sector specified
if( d->firstSector < d->lastSector )
*d->process << TQString("sectors=%1-%2").tqarg(d->firstSector.lba()).tqarg(d->lastSector.lba()+1);
// Joerg sais it is a Linux kernel bug, anyway, with the default value it does not work
*d->process << "ts=128k";
// additional user parameters from config
const TQStringList& params = d->readcdBinObject->userParameters();
for( TQStringList::const_iterator it = params.begin(); it != params.end(); ++it )
*d->process << *it;
kdDebug() << "***** readcd parameters:\n";
const TQValueList<TQCString>& args = d->process->args();
TQString s;
for( TQValueList<TQCString>::const_iterator it = args.begin(); it != args.end(); ++it ) {
s += *it + " ";
}
kdDebug() << s << endl << flush;
emit debuggingOutput("readcd command:", s);
d->canceled = false;
if( !d->process->start( KProcess::NotifyOnExit, KProcess::AllOutput) ) {
// something went wrong when starting the program
// it "should" be the executable
kdError() << "(K3bReadcdReader) could not start readcd" << endl;
emit infoMessage( i18n("Could not start readcd."), K3bJob::ERROR );
jobFinished( false );
}
}
void K3bReadcdReader::cancel()
{
if( d->process ) {
if( d->process->isRunning() ) {
d->canceled = true;
d->process->kill();
}
}
}
void K3bReadcdReader::slotStdLine( const TQString& line )
{
emit debuggingOutput( "readcd", line );
int pos = -1;
if( line.startsWith( "end:" ) ) {
bool ok;
d->blocksToRead = line.mid(4).toInt(&ok);
if( d->firstSector < d->lastSector )
d->blocksToRead -= d->firstSector.lba();
if( !ok )
kdError() << "(K3bReadcdReader) blocksToRead parsing error in line: "
<< line.mid(4) << endl;
}
else if( line.startsWith( "addr:" ) ) {
bool ok;
long currentReadBlock = line.mid( 6, line.find("cnt")-7 ).toInt(&ok);
if( d->firstSector < d->lastSector )
currentReadBlock -= d->firstSector.lba();
if( ok ) {
int p = (int)(100.0 * (double)currentReadBlock / (double)d->blocksToRead);
if( p > d->lastProgress ) {
emit percent( p );
d->lastProgress = p;
}
int ps = currentReadBlock*2/1024;
if( ps > d->lastProcessedSize ) {
emit processedSize( ps, d->blocksToRead*2/1024 );
d->lastProcessedSize = ps;
}
}
else
kdError() << "(K3bReadcdReader) currentReadBlock parsing error in line: "
<< line.mid( 6, line.find("cnt")-7 ) << endl;
}
else if( line.contains("Cannot read source disk") ) {
emit infoMessage( i18n("Cannot read source disk."), ERROR );
}
else if( (pos = line.find("Retrying from sector")) >= 0 ) {
// parse the sector
pos += 21;
bool ok;
int problemSector = line.mid( pos, line.find( TQRegExp("\\D"), pos )-pos ).toInt(&ok);
if( !ok ) {
kdError() << "(K3bReadcdReader) problemSector parsing error in line: "
<< line.mid( pos, line.find( TQRegExp("\\D"), pos )-pos ) << endl;
}
emit infoMessage( i18n("Retrying from sector %1.").tqarg(problemSector), INFO );
}
else if( (pos = line.find("Error on sector")) >= 0 ) {
d->unreadableBlocks++;
pos += 16;
bool ok;
int problemSector = line.mid( pos, line.find( TQRegExp("\\D"), pos )-pos ).toInt(&ok);
if( !ok ) {
kdError() << "(K3bReadcdReader) problemSector parsing error in line: "
<< line.mid( pos, line.find( TQRegExp("\\D"), pos )-pos ) << endl;
}
if( line.contains( "not corrected") ) {
emit infoMessage( i18n("Uncorrected error in sector %1").tqarg(problemSector), ERROR );
}
else {
emit infoMessage( i18n("Corrected error in sector %1").tqarg(problemSector), ERROR );
}
}
else {
kdDebug() << "(readcd) " << line << endl;
}
}
void K3bReadcdReader::slotProcessExited( KProcess* p )
{
if( d->canceled ) {
emit canceled();
jobFinished(false);
}
else if( p->normalExit() ) {
if( p->exitStatus() == 0 ) {
jobFinished( true );
}
else {
emit infoMessage( i18n("%1 returned error: %2").tqarg("Readcd").tqarg(p->exitStatus()), ERROR );
jobFinished( false );
}
}
else {
emit infoMessage( i18n("Readcd exited abnormally."), ERROR );
jobFinished( false );
}
}
void K3bReadcdReader::setSectorRange( const K3b::Msf& first, const K3b::Msf& last )
{
d->firstSector = first;
d->lastSector = last;
}
#include "k3breadcdreader.moc"