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tdeadmin/kdat/BackupDlg.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 <assert.h>
#include <stdio.h>
#include <time.h>
#include <unistd.h>
#include <sys/errno.h>
#include <sys/stat.h>
#include <tqdir.h>
#include <tqlabel.h>
#include <tqlayout.h>
#include <kpushbutton.h>
#include <kstdguiitem.h>
#include <tdeapplication.h>
#include <kprocess.h>
#include <kmessagebox.h>
#include <kpushbutton.h>
#include <kstdguiitem.h>
#include "Archive.h"
#include "BackupDlg.h"
#include "LoggerWidget.h"
#include "Options.h"
#include "Tape.h"
#include "TapeDrive.h"
#include "TarParser.h"
#include "Util.h"
#include <klocale.h>
#include "BackupDlg.moc"
BackupDlg::BackupDlg( const TQString & archiveName, const TQString & workingDir, const TQStringList& files, bool oneFilesystem, bool incremental,
const TQString & snapshot, bool removeSnapshot, int archiveSize, Tape* tape,
TQWidget* parent, const char* name )
: TQDialog( parent, name, TRUE ),
_proc( NULL ),
_tarParser( NULL ),
_archiveName( archiveName ),
_workingDir( workingDir ),
_files(files),
_oneFilesystem( oneFilesystem ),
_incremental( incremental ),
_snapshot( snapshot ),
_removeSnapshot( removeSnapshot ),
_archiveSize( archiveSize ),
_tape( tape ),
_totalKBytes( 0.0 ),
_totalRecords( 0 ),
_startTime( 0 ),
_archive( NULL ),
_aborted( FALSE ),
_numFiles( 0 ),
_fileSize( -1 ),
_fileMTime( -1 ),
_fileStartRecord( -1 )
{
// Copy the list of files to archive.
setCaption( i18n( "KDat: Backup" ) );
setIconText( i18n( "KDat: Backup" ) );
resize( 515, 300 );
/* 2002-01-26 LEW: "Time remaining" was cut off in mid-"g"
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 written:" ), f2 );
lbl4->setFixedSize( labelWidth, lbl4->sizeHint().height() );
_kbytesWritten = new TQLabel( i18n( "0KB" ), f2 );
_kbytesWritten->setFixedHeight( _kbytesWritten->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 = new TQLabel( i18n( "Files:" ), f2 );
lbl6->setFixedSize( labelWidth, lbl6->sizeHint().height() );
_fileCount = new TQLabel( i18n( "0" ), f2 );
_fileCount->setFixedHeight( _fileCount->sizeHint().height() );
_log = new LoggerWidget( i18n( "Backup 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 KPushButton( KStdGuiItem::cancel(), 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( _kbytesWritten, 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( _fileCount, 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 );
}
BackupDlg::~BackupDlg()
{
delete _tarParser;
}
void BackupDlg::show()
{
bool bGoOn = false;
_archive = new Archive( _tape, time( NULL ), _archiveName.utf8() );
chdir( TQFile::encodeName(_workingDir) );
if ( _removeSnapshot ) {
unlink( TQFile::encodeName(_snapshot) );
}
_tarParser = new TarParser();
connect( _tarParser, TQT_SIGNAL( sigEntry( const TQString &, int, int, int ) ), this, TQT_SLOT( slotEntry( const TQString &, int, int, int ) ) );
_proc = new TDEProcess();
*_proc << Options::instance()->getTarCommand();
if ( _oneFilesystem ) {
*_proc << "-l";
}
if ( _incremental ) {
*_proc << "-g" << _snapshot;
}
*_proc << "-Spcf" << "-";
// Append the list of files to archive.
if ( _files.count() == 1 && _files.first() == "." ) {
dev_t device = 0;
struct stat info;
if ( _oneFilesystem ) {
if ( lstat( ".", &info ) == 0 ) {
device = info.st_dev;
}
}
// Backup all files in current working directory.
TQDir dir;
//roland
//TQStringList::Iterator i = dir.entryList( TQDir::All, TQDir::Name | TQDir::DirsFirst ).begin();
TQStringList FilesList = dir.entryList( TQDir::All, TQDir::Name | TQDir::DirsFirst );
TQStringList::Iterator i = FilesList.begin();
//roland
for ( ; !(*i).isNull() ; ++i ) {
if ( *i != "." && *i != ".." ) {
if ( _oneFilesystem ) {
if ( lstat( TQFile::encodeName(*i), &info ) == 0 )
{
if ( info.st_dev == device ) {
*_proc << *i;
bGoOn = true;
}
}
} else {
*_proc << *i;
bGoOn = true;
}
}
}
} else {
// Backup listed files only.
/* 2002-01-28 LEW */
// printf("Fixing to list the files/dirs to be dumped:\n");
/* 2002-01-28 LEW */
for ( TQStringList::Iterator it = _files.begin();
it != _files.end();
++it ) {
/* 2002-01-28 LEW */
// printf("tar argument: \"%s\"\n", (*it).latin1());
/* 2002-01-28 LEW */
*_proc << *it;
bGoOn = true;
}
}
if (bGoOn == false) {
KMessageBox::information(this, i18n("No files to back up. Aborting."));
slotAbort();
return;
}
connect( _proc, TQT_SIGNAL( processExited( TDEProcess* ) ), this, TQT_SLOT( slotProcessExited( TDEProcess* ) ) );
connect( _proc, TQT_SIGNAL( receivedStdout( TDEProcess*, char*, int ) ), this, TQT_SLOT( slotStdout( TDEProcess*, char*, int ) ) );
startTimer( 1000 );
_proc->start( TDEProcess::NotifyOnExit, TDEProcess::Stdout );
TQDialog::show();
}
void BackupDlg::slotProcessExited( TDEProcess* )
{
updateStats();
_archive->setEndBlock( _totalRecords / ( Options::instance()->getTapeBlockSize() / 512 ) );
if ( _fileName.length() > 0 ) {
_archive->addFile( _fileSize, _fileMTime, _fileStartRecord, _totalRecords, _fileName );
_fileName = TQString();
}
TapeDrive::instance()->close();
TapeDrive::instance()->open();
TQT_TQOBJECT(this)->killTimers();
delete _proc;
_tape->addChild( _archive );
_ok->setEnabled( TRUE );
_ok->setDefault( TRUE );
_save->setEnabled( TRUE );
_abort->setEnabled( FALSE );
}
// the TDEProcess passes the arguments to tar, and tar's output is piped here.
// The output is shown to _tarParser->slotData(), which figures out which files
// are going to tape and their file parameters, and saves these data into
// kdat's archive. The raw data are then written to tape with write().
// 2002-01-27 LEW
void BackupDlg::slotStdout( TDEProcess*, char* buf, int len )
{
// Don't start throughput timer until the first block of data is written.
if ( _startTime == 0 ) {
_startTime = time( NULL );
}
/* 2002-01-26 LEW */
// printf("got a line from tar, length %d bytes...\n", len);
/* 2002-01-26 LEW */
// Pass the data through the tar parser to extract the file info.
_tarParser->slotData( buf, len );
_totalKBytes += (float)len / 1024.0;
assert( len % 512 == 0 );
_totalRecords += len / 512;
if ( TapeDrive::instance()->write( buf, len ) < len ) {
_log->append( i18n( "*** Write failed, giving up." ) );
if ( _proc ) {
_proc->kill();
}
slotProcessExited( 0 );
}
}
void BackupDlg::slotEntry( const TQString& name, int size, int mtime, int record )
{
if ( _fileName.length() > 0 ) {
_archive->addFile( _fileSize, _fileMTime, _fileStartRecord, record, _fileName );
}
/* 2002-01-28 LEW */
// printf("BackupDlg::slotEntry called with \"%s\", %d bytes\n", name.latin1(), size);
/* 2002-01-28 LEW */
_fileName = name;
_fileSize = size;
_fileMTime = mtime;
_fileStartRecord = record;
TQString tmp;
tmp.setNum( ++_numFiles );
_fileCount->setText( tmp );
_log->append( name );
}
void BackupDlg::slotOK()
{
if ( _aborted ) {
reject();
} else {
accept();
}
}
void BackupDlg::slotAbort()
{
TQT_TQOBJECT(this)->killTimers();
if ( _proc ) {
_proc->kill();
delete _proc;
}
delete _archive;
_aborted = TRUE;
_ok->setEnabled( TRUE );
_ok->setDefault( TRUE );
_save->setEnabled( TRUE );
_abort->setEnabled( FALSE );
}
void BackupDlg::timerEvent( TQTimerEvent* )
{
updateStats();
}
void BackupDlg::updateStats()
{
if ( _startTime == 0 ) {
return;
}
TQString str;
int elapsed = time( NULL ) - _startTime;
str = TQString::fromUtf8( TQCString().sprintf( i18n( "%02d:%02d:%02d" ).utf8().data(), 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().data(), remain / 3600, remain / 60 % 60, remain % 60 ) );
_timeRemaining->setText( str );
str = Util::kbytesToString( (int)_totalKBytes );
_kbytesWritten->setText( str );
if ( elapsed > 0 ) {
str = i18n( "%1/min" ).arg(Util::kbytesToString( (int)_totalKBytes *60 / elapsed ) );
_transferRate->setText( str );
}
}
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