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tdeadmin/kdat/VerifyDlg.cpp

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// $Id$
//
// KDat - a tar-based DAT archiver
// Copyright (C) 1998-2000 Sean Vyain, svyain@mail.tds.net
// Copyright (C) 2001-2002 Lawrence Widman, kdat@cardiothink.com
//
// 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.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <time.h>
#include <stdio.h>
#include <tqlabel.h>
#include <tqlayout.h>
#include <tqfile.h>
#include <kapplication.h>
#include <kprocess.h>
#include <klocale.h>
#include <kdebug.h>
#include <kpushbutton.h>
#include <kstdguiitem.h>
#include "LoggerWidget.h"
#include "Options.h"
#include "VerifyDlg.h"
#include "TapeDrive.h"
#include "Util.h"
#include "VerifyDlg.moc"
VerifyDlg::VerifyDlg( const TQString & workingDir, int fileno, const RangeList& ranges,
bool restore, TQWidget* parent, const char* name )
: TQDialog( parent, name, TRUE ),
_restore( restore ),
_proc( NULL ),
_workingDir( workingDir ),
_fileno( fileno ),
_ranges( ranges ),
_totalKBytes( 0.0 ),
_fileCount( 0 ),
_wroteStdin( TRUE ),
_aborted( FALSE ),
_done( FALSE )
{
// Calculate size of verify.
TQPtrListIterator<Range> i( _ranges.getRanges() );
_archiveSize = 0;
for ( ; i.current(); ++i ) {
_archiveSize += i.current()->getEnd() - i.current()->getStart();
}
_archiveSize = ( _archiveSize + 1 ) / 2;
if ( _restore ) {
setCaption( i18n( "KDat: Restore" ) );
setIconText( i18n( "KDat: Restore" ) );
} else {
setCaption( i18n( "KDat: Verify" ) );
setIconText( i18n( "KDat: Verify" ) );
}
resize( 500, 300 );
/* 2002-01-26 LEW: "Time remaining" was cut off in mid-"g"
in BackupDlg.cpp,
so we'll provide that plus some space beyond it. */
// const int labelWidth = 96;
const int labelWidth = 110;
TQFrame* f1 = new TQFrame( this );
f1->setFrameStyle( TQFrame::Panel | TQFrame::Sunken );
TQFrame* f2 = new TQFrame( this );
f2->setFrameStyle( TQFrame::Panel | TQFrame::Sunken );
TQLabel* lbl1 = new TQLabel( i18n( "Elapsed time:" ), f1 );
lbl1->setFixedSize( labelWidth, lbl1->sizeHint().height() );
_elapsedTime = new TQLabel( i18n( "00:00:00" ), f1 );
_elapsedTime->setFixedHeight( _elapsedTime->sizeHint().height() );
TQLabel* lbl2 = new TQLabel( i18n( "Time remaining:" ), f2 );
lbl2->setFixedSize( labelWidth, lbl2->sizeHint().height() );
_timeRemaining = new TQLabel( i18n( "00:00:00" ), f2 );
_timeRemaining->setFixedHeight( _timeRemaining->sizeHint().height() );
TQLabel* lbl3 = new TQLabel( i18n( "Total KB:" ), f1 );
lbl3->setFixedSize( labelWidth, lbl3->sizeHint().height() );
TQLabel* totalKbytes = new TQLabel( Util::kbytesToString( _archiveSize ), f1 );
totalKbytes->setFixedHeight( totalKbytes->sizeHint().height() );
TQLabel* lbl4 = new TQLabel( i18n( "KB read:" ), f2 );
lbl4->setFixedSize( labelWidth, lbl4->sizeHint().height() );
_kbytesRead = new TQLabel( i18n( "0KB" ), f2 );
_kbytesRead->setFixedHeight( _kbytesRead->sizeHint().height() );
TQLabel* lbl5 = new TQLabel( i18n( "Transfer rate:" ), f1 );
lbl5->setFixedSize( labelWidth, lbl5->sizeHint().height() );
_transferRate = new TQLabel( i18n( "0KB/min" ), f1 );
_transferRate->setFixedHeight( _transferRate->sizeHint().height() );
TQLabel* lbl6;
if ( _restore ) {
lbl6 = new TQLabel( i18n( "Files:" ), f2 );
lbl6->setFixedSize( labelWidth, lbl6->sizeHint().height() );
} else {
lbl6 = new TQLabel( i18n( "Differences:" ), f2 );
lbl6->setFixedSize( labelWidth, lbl6->sizeHint().height() );
}
_files = new TQLabel( "0", f2 );
_files->setFixedHeight( _files->sizeHint().height() );
if ( _restore ) {
_log = new LoggerWidget( i18n( "Restore log:" ), this );
} else {
_log = new LoggerWidget( i18n( "Verify log:" ), this );
}
_ok = new KPushButton( KStdGuiItem::ok(), this );
_ok->setFixedSize( 80, _ok->sizeHint().height() );
connect( _ok, TQT_SIGNAL( clicked() ), this, TQT_SLOT( slotOK() ) );
_ok->setEnabled( FALSE );
_save = new TQPushButton( i18n( "&Save Log..." ), this );
_save->setFixedSize( 80, _save->sizeHint().height() );
connect( _save, TQT_SIGNAL( clicked() ), _log, TQT_SLOT( save() ) );
_save->setEnabled( FALSE );
_abort = new TQPushButton( i18n( "&Abort" ), this );
_abort->setFixedSize( 80, _abort->sizeHint().height() );
connect( _abort, TQT_SIGNAL( clicked() ), this, TQT_SLOT( slotAbort() ) );
TQVBoxLayout* l1 = new TQVBoxLayout( this, 8, 4 );
TQHBoxLayout* l1_1 = new TQHBoxLayout();
l1->addLayout( l1_1 );
l1_1->addStrut( 3 * lbl1->height() + 16 );
l1_1->addWidget( f1 );
l1_1->addWidget( f2 );
TQVBoxLayout* l1_1_1 = new TQVBoxLayout( f1, 4, 4 );
TQHBoxLayout* l1_1_1_1 = new TQHBoxLayout();
l1_1_1->addLayout( l1_1_1_1 );
l1_1_1_1->addWidget( lbl1 );
l1_1_1_1->addWidget( _elapsedTime, 1 );
TQHBoxLayout* l1_1_1_2 = new TQHBoxLayout();
l1_1_1->addLayout( l1_1_1_2 );
l1_1_1_2->addWidget( lbl3 );
l1_1_1_2->addWidget( totalKbytes, 1 );
TQHBoxLayout* l1_1_1_3 = new TQHBoxLayout();
l1_1_1->addLayout( l1_1_1_3 );
l1_1_1_3->addWidget( lbl5 );
l1_1_1_3->addWidget( _transferRate, 1 );
TQVBoxLayout* l1_1_2 = new TQVBoxLayout( f2, 4, 4 );
TQHBoxLayout* l1_1_2_1 = new TQHBoxLayout();
l1_1_2->addLayout( l1_1_2_1 );
l1_1_2_1->addWidget( lbl2 );
l1_1_2_1->addWidget( _timeRemaining, 1 );
TQHBoxLayout* l1_1_2_2 = new TQHBoxLayout();
l1_1_2->addLayout( l1_1_2_2 );
l1_1_2_2->addWidget( lbl4 );
l1_1_2_2->addWidget( _kbytesRead, 1 );
TQHBoxLayout* l1_1_2_3 = new TQHBoxLayout();
l1_1_2->addLayout( l1_1_2_3 );
l1_1_2_3->addWidget( lbl6 );
l1_1_2_3->addWidget( _files, 1 );
l1->addWidget( _log, 1 );
TQHBoxLayout* l1_2 = new TQHBoxLayout();
l1->addLayout( l1_2 );
l1_2->addStretch( 1 );
l1_2->addWidget( _ok );
l1_2->addWidget( _save );
l1_2->addWidget( _abort );
}
VerifyDlg::~VerifyDlg()
{
}
void VerifyDlg::show()
{
chdir( TQFile::encodeName(_workingDir) );
_proc = new KProcess();
//_proc->setExecutable( Options::instance()->getTarCommand() );
*_proc << Options::instance()->getTarCommand();
if ( _restore ) {
*_proc << "-xvf" << "-";
} else {
*_proc << "-dvf" << "-";
}
connect( _proc, TQT_SIGNAL( processExited( KProcess* ) ), this, TQT_SLOT( slotProcessExited( KProcess* ) ) );
connect( _proc, TQT_SIGNAL( receivedStdout( KProcess*, char*, int ) ), this, TQT_SLOT( slotStdout( KProcess*, char*, int ) ) );
connect( _proc, TQT_SIGNAL( wroteStdin( KProcess* ) ), this, TQT_SLOT( slotWroteStdin( KProcess* ) ) );
_startTime = time( NULL );
startTimer( 100 );
_proc->start( KProcess::NotifyOnExit, KProcess::All );
TQDialog::show();
}
void VerifyDlg::slotProcessExited( KProcess* )
{
TQT_TQOBJECT(this)->killTimers();
delete _proc;
// Set this, or we get caught in a loop.
_done = TRUE;
_ok->setEnabled( TRUE );
_ok->setDefault( TRUE );
_save->setEnabled( TRUE );
_abort->setEnabled( FALSE );
}
void VerifyDlg::slotStdout( KProcess*, char* buf, int len )
{
TQString data;
data.replace( 0, len, buf );
/* 2002-02-23 RG */
// data[len] = '\0';
data.truncate( len );
/* 2002-02-23 RG */
_leftover += data;
int newlineIndex;
while ( ( newlineIndex = _leftover.find( '\n' ) ) > -1 ) {
_log->append( _leftover.left( newlineIndex ) );
// Count differences.
if ( _restore ) {
_fileCount++;
} else {
int len = _lastFileName.length();
if ( len > 0 ) {
if ( _lastFileName == _leftover.left( len ) ) {
if ( ( _leftover[len] == ':' ) && ( _leftover[len+1] == ' ' ) ) {
_fileCount++;
} else {
_lastFileName = _leftover.left( newlineIndex );
}
} else {
_lastFileName = _leftover.left( newlineIndex );
}
} else {
_lastFileName = _leftover.left( newlineIndex );
}
}
_leftover.remove( 0, newlineIndex + 1 );
TQString tmp;
tmp.setNum( _fileCount );
_files->setText( tmp );
}
}
void VerifyDlg::slotWroteStdin( KProcess* )
{
_wroteStdin = TRUE;
}
void VerifyDlg::slotOK()
{
if ( _aborted ) {
reject();
} else {
accept();
}
}
void VerifyDlg::slotAbort()
{
_aborted = TRUE;
}
void VerifyDlg::timerEvent( TQTimerEvent* )
{
TQT_TQOBJECT(this)->killTimers();
int oldElapsed = 0;
int bytesToRead;
int count;
char *buf = new char[Options::instance()->getTapeBlockSize()];
TQPtrListIterator<Range> i( _ranges.getRanges() );
for ( ; ( !_done ) && ( !_aborted ) && ( i.current() ); ++i ) {
// Move to the beginning of the next range.
TapeDrive::instance()->seek( _fileno, i.current()->getStart() );
/* 2002-01-30 LEW */
#ifdef DEBUG
printf("Seeking to next range: %d-%d\n", i.current()->getStart(), i.current()->getEnd());
#endif /* DEBUG */
/* 2002-01-30 LEW */
// Read in the records and forward them to tar.
bytesToRead = ( i.current()->getEnd() - i.current()->getStart() ) * 512;
while ( bytesToRead > 0 ) {
count = TapeDrive::instance()->read( buf, bytesToRead > Options::instance()->getTapeBlockSize() ? Options::instance()->getTapeBlockSize() : bytesToRead );
if ( count == 0 ) {
// I hope this means end-of-file. Break out of the while loop, and process the next range.
/* 2002-01-30 LEW */
#ifdef DEBUG
printf("VerifyDlg::timerEvent count==0, so I'm skipping to the next range\n");
#endif /* DEBUG */
/* 2002-01-30 LEW */
break;
}
if ( count < 0 ) {
kdError() << i18n( "failed while reading tape data.\n" );
_proc->closeStdin();
delete [] buf;
return;
}
while ( ( !_done ) && ( !_aborted ) && ( !_wroteStdin ) )
KApplication::kApplication()->processEvents();
if ( _done || _aborted ) {
/* 2002-01-30 LEW */
#ifdef DEBUG
printf("VerifyDlg::timerEvent done/aborted, so I'm skipping to the next range\n");
#endif /* DEBUG */
/* 2002-01-30 LEW */
break;
}
_wroteStdin = FALSE;
_proc->writeStdin( buf, count );
bytesToRead -= count;
_totalKBytes += (float)count / 1024.0;
// Update stats.
int elapsed = time( NULL ) - _startTime;
if ( elapsed > oldElapsed )
{
updateStats();
KApplication::kApplication()->processEvents();
if ( _done || _aborted ) {
break;
}
oldElapsed = elapsed;
}
}
}
// Update stats.
updateStats();
// Send an EOF block to tar.
memset( buf, 0, Options::instance()->getTapeBlockSize() );
_proc->writeStdin( buf, Options::instance()->getTapeBlockSize() );
_proc->closeStdin();
delete [] buf;
}
void VerifyDlg::updateStats()
{
TQString str;
int elapsed = time( NULL ) - _startTime;
str= TQString::fromUtf8( TQCString().sprintf( i18n( "%02d:%02d:%02d" ).utf8(), elapsed / 3600, elapsed / 60 % 60, elapsed % 60 ) );
_elapsedTime->setText( str );
int remain = 0;
if ( (int)_totalKBytes > 0 ) {
remain = (int)(( (float)_archiveSize - _totalKBytes ) * (float)elapsed / _totalKBytes);
}
if ( remain < 0 ) {
remain = 0;
}
str = TQString::fromUtf8( TQCString().sprintf( i18n( "%02d:%02d:%02d" ).utf8(), remain / 3600, remain / 60 % 60, remain % 60 ) );
_timeRemaining->setText( str );
str = Util::kbytesToString( (int)_totalKBytes );
_kbytesRead->setText( str );
if ( elapsed > 0 ) {
str = i18n( "%1/min" ).arg(Util::kbytesToString( (int)_totalKBytes * 60 / elapsed ) );
_transferRate->setText( str );
}
}
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