summaryrefslogtreecommitdiffstats
path: root/kdat/Tape.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'kdat/Tape.cpp')
-rw-r--r--kdat/Tape.cpp933
1 files changed, 933 insertions, 0 deletions
diff --git a/kdat/Tape.cpp b/kdat/Tape.cpp
new file mode 100644
index 0000000..b015376
--- /dev/null
+++ b/kdat/Tape.cpp
@@ -0,0 +1,933 @@
+// 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 <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <unistd.h>
+#include <errno.h>
+
+#include <qfile.h>
+
+#include <kmessagebox.h>
+#include <klocale.h>
+#include <kstandarddirs.h>
+#include <kapplication.h>
+
+#include "IndexDlg.h"
+#include "KDatMainWindow.h"
+#include "Options.h"
+#include "Tape.h"
+#include "TapeDrive.h"
+#include "TapeManager.h"
+#include "kdat.h"
+
+Tape::Tape()
+ : _stubbed( FALSE ),
+ _name( i18n( "New Tape" ) ),
+ _size( Options::instance()->getDefaultTapeSize() ),
+ _fptr( 0 )
+{
+ char buffer[1024];
+ gethostname( buffer, 1024 );
+ time_t tm = time( NULL );
+ _ctime = tm;
+ _mtime = tm;
+ _id.sprintf("%s:%d", buffer, tm);
+
+ write();
+}
+
+Tape::Tape( const char * id )
+ : _stubbed( TRUE ),
+ _id( id ),
+ _ctime( -1 ),
+ _mtime( -1 ),
+ _name( "<unknown>" ),
+ _size( -1 ),
+ _fptr( 0 )
+{
+}
+
+Tape::~Tape()
+{
+ clear();
+}
+
+void Tape::format()
+{
+ // Rewind tape.
+ if ( !TapeDrive::instance()->rewind() ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Rewinding tape failed." ), i18n("Format Failed"));
+ return;
+ }
+
+ // Set block size for tape.
+ if ( !TapeDrive::instance()->setBlockSize( Options::instance()->getTapeBlockSize() ) ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Cannot set tape block size." ), i18n("Format Failed"));
+ return;
+ }
+
+ // TAPE HEADER
+ int iv;
+
+ // KDat magic string.
+ if ( TapeDrive::instance()->write( KDAT_MAGIC, KDAT_MAGIC_LENGTH ) < KDAT_MAGIC_LENGTH ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Writing magic string failed." ), i18n("Format Failed"));
+ return;
+ }
+
+ // Tape header version number.
+ iv = KDAT_TAPE_HEADER_VERSION;
+ if ( TapeDrive::instance()->write( (const char*)&iv, 4 ) < 4 ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Writing version number failed." ), i18n("Format Failed") );
+ return;
+ }
+
+ // Write tape ID. Tape ID is machine name + current time.
+ iv = _id.length() + 1;
+ if ( TapeDrive::instance()->write( (const char*)&iv, 4 ) < 4 ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Writing tape ID length failed." ), i18n("Format Failed") );
+ return;
+ }
+ if ( TapeDrive::instance()->write( _id, iv ) < iv ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Writing tape ID failed." ), i18n("Format Failed") );
+ return;
+ }
+
+ // Write end of file marker.
+ TapeDrive::instance()->close();
+ TapeDrive::instance()->open();
+
+ // Write new tape index.
+ write();
+}
+
+void Tape::read()
+{
+ if ( !_stubbed ) {
+ /* 2002-01-28 LEW */
+ // printf("Can't read tape data because tape isn't stubbed\n" );
+ /* 2002-01-28 LEW */
+ return;
+ }
+
+ _stubbed = FALSE;
+
+ /* 2002-01-28 LEW */
+ // printf("Preparing to read tape data\n" );
+ // QString filename1 = locateLocal( "appdata", _id);
+ // printf("The tape data are in \"%s\"\n", filename1.ascii() );
+ /* 2002-01-28 LEW */
+
+ if ( !_fptr ) {
+ QString filename = locateLocal( "appdata", _id);
+ _fptr = fopen( QFile::encodeName(filename), "r" );
+
+ /* 2002-01-28 LEW */
+#ifdef DEBUG
+ // printf("Opened tape archive file \"%s\". %s %d\n",
+ // filename.ascii(), __FILE__, __LINE__ );
+#endif /* DEBUG */
+ /* 2002-01-28 LEW */
+
+ }
+
+ if ( !_fptr ) {
+ // No tape index file was found.
+ int result = KMessageBox::warningContinueCancel( KDatMainWindow::getInstance(),
+ i18n( "No index file was found for this tape.\n"
+ "Recreate the index from tape?" ),
+ i18n("Tape Index"),
+ i18n("Recreate"));
+ if (result == KMessageBox::Continue ) {
+ write();
+
+ IndexDlg dlg( this, KDatMainWindow::getInstance() );
+ dlg.exec();
+ TapeManager::instance()->addTape( this );
+ return;
+ } else {
+ return;
+ }
+ }
+
+ char buf[4096];
+
+ fseek( _fptr, 0, SEEK_SET );
+
+ // Read index file version number.
+ if ( !fgets( buf, 4096, _fptr ) ) {
+ fclose( _fptr );
+ KMessageBox::error( KDatMainWindow::getInstance(),
+ i18n( "Reading version number failed." ),
+ i18n("Index File Error") );
+ return;
+ }
+ int version = atoi( buf );
+
+ switch ( version ) {
+ case 1:
+ readVersion1Index( _fptr );
+ readAll( version );
+ calcRanges();
+ fclose( _fptr );
+ _fptr = NULL;
+ write();
+ break;
+
+ case 2:
+ readVersion2Index( _fptr );
+ readAll( version );
+ calcRanges();
+ fclose( _fptr );
+ _fptr = NULL;
+ write();
+ break;
+
+ case 3:
+ readVersion3Index( _fptr );
+ readAll( version );
+ calcRanges();
+ fclose( _fptr );
+ _fptr = NULL;
+ write();
+ break;
+
+ case 4:
+ readVersion4Index( _fptr );
+ break;
+
+ default:
+ {
+ KMessageBox::sorry( KDatMainWindow::getInstance(),
+ i18n( "The tape index file format is version %d. The index cannot be read by this version of KDat. Perhaps the tape index file was created by a newer version of KDat?" ).arg(version ),
+ i18n("Tape Index") );
+ }
+ }
+}
+
+void Tape::readAll( int version )
+{
+ read();
+
+ QPtrListIterator<Archive> i( _children );
+ for ( ; i.current(); ++i ) {
+ i.current()->readAll( version );
+ }
+}
+
+void Tape::write()
+{
+ QString filename = locateLocal( "appdata", _id);
+
+ /* 2002-01-28 LEW */
+#ifdef DEBUG
+ // printf("Preparing to write the archive data to \"%s\". %s %d\n",
+ // filename.ascii(), __FILE__, __LINE__ );
+#endif /* DEBUG */
+ /* 2002-01-28 LEW */
+
+ if ( !_fptr ) {
+ _fptr = fopen( QFile::encodeName(filename), "w" );
+
+ /* 2002-01-31 LEW */
+#ifdef DEBUG
+ // printf("Opened new archive file \"%s\". %s %d\n",
+ // filename.ascii(), __FILE__, __LINE__ );
+#endif /* DEBUG */
+ /* 2002-01-31 LEW */
+
+ if ( !_fptr ) {
+ // Suck!
+ printf( "Tape::write() -- cannot open '%s' for writing!\n", filename.ascii() );
+ return;
+ }
+ } else {
+ freopen( QFile::encodeName(filename), "w", _fptr );
+ /* 2002-01-31 LEW */
+#ifdef DEBUG
+ // printf("Reopened new archive file \"%s\". %s %d\n",
+ // filename.ascii(), __FILE__, __LINE__ );
+#endif /* DEBUG */
+ /* 2002-01-31 LEW */
+ }
+
+ int zero = 0;
+
+ //===== Write the tape data =====
+
+ fprintf( _fptr, "%d\n", KDAT_INDEX_FILE_VERSION );
+ fprintf( _fptr, "%s\n", _id.data() );
+
+ fwrite( &_ctime, sizeof( _ctime ), 1, _fptr );
+ fwrite( &_mtime, sizeof( _mtime ), 1, _fptr );
+ fwrite( &_size , sizeof( _size ), 1, _fptr );
+ char buf[4096];
+ memset( buf, 0, 4096 );
+ memcpy( buf, _name.ascii(), _name.length() > 4095 ? 4095 : _name.length() );
+ fwrite( buf, sizeof( char ), 4096, _fptr );
+ int ival = _children.count();
+ fwrite( &ival, sizeof( ival ), 1, _fptr );
+
+ // Fill in the archive offsets later...
+ int archiveTable = ftell( _fptr );
+ for ( uint i = 0; i < MAX_NUM_ARCHIVES; i++ ) {
+ fwrite( &zero, sizeof( zero ), 1, _fptr );
+ }
+
+ //===== Write archives =====
+ QPtrListIterator<Archive> i( _children );
+ int count = 0;
+ for ( ; i.current(); ++i, count++ ) {
+ // Fill in the file offset.
+ int here = ftell( _fptr );
+ fseek( _fptr, archiveTable + 4*count, SEEK_SET );
+ fwrite( &here, sizeof( here ), 1, _fptr );
+ fseek( _fptr, here, SEEK_SET );
+
+ i.current()->write( _fptr );
+ }
+
+ freopen( QFile::encodeName(filename), "r+", _fptr );
+}
+
+QString Tape::getID()
+{
+ read();
+
+ return _id;
+}
+
+QString Tape::getName()
+{
+ read();
+
+ return _name;
+}
+
+int Tape::getCTime()
+{
+ read();
+
+ return _ctime;
+}
+
+int Tape::getMTime()
+{
+ read();
+
+ return _mtime;
+}
+
+int Tape::getSize()
+{
+ read();
+
+ return _size;
+}
+
+const QPtrList<Archive>& Tape::getChildren()
+{
+ read();
+
+ return _children;
+}
+
+void Tape::setName( const QString & name )
+{
+ /* 2002-01-31 LEW */
+ int i;
+ /* 2002-01-31 LEW */
+
+ read();
+
+ if ( !_fptr ) {
+ // Create a new empty index file.
+ write();
+ }
+
+ // change file to read-write so we can update it 2002-01-31 LEW
+ QString filename = locateLocal( "appdata", _id);
+ freopen( QFile::encodeName(filename), "r+", _fptr );
+
+ _name = name;
+
+ char buf[4096];
+ if( fseek( _fptr, 0, SEEK_SET ) < 0 )
+ {
+ clearerr( _fptr );
+#ifdef DEBUG /* Can't create new i18n strings now, so we'll save this for KDE 3.1 */
+ /* Note to translator: this error checking was added while tracking
+ down a bug that turns out to be unrelated. The errors I'm looking
+ for here haven't happened in real use, so there is no rush to add
+ these checks in KDE 3.0. Thanks. - LW */
+ QString msg = i18n("Error during fseek #1 while accessing archive: \"");
+ msg.append( getID() );
+ msg.append( "\": " );
+ msg.append( i18n(strerror( errno )) );
+ printf("%s\n", msg.latin1());
+ KMessageBox::error(NULL, msg, i18n("File Access Error"));
+#endif /* DEBUG */
+ return;
+ }
+ if( fgets( buf, 4096, _fptr ) == NULL )
+ {
+ clearerr( _fptr );
+#ifdef DEBUG /* Can't create new i18n strings now, so we'll save this for KDE 3.1 */
+ QString msg = i18n("Error while accessing string #1 in archive: \"");
+ msg.append( getID() );
+ msg.append( "\": " );
+ msg.append( i18n(strerror( errno )) );
+ printf("%s\n", msg.latin1());
+ KMessageBox::error(NULL, msg, i18n("File Access Error"));
+#endif /* DEBUG */
+ return;
+ }
+ if( fgets( buf, 4096, _fptr ) == NULL )
+ {
+ clearerr( _fptr );
+#ifdef DEBUG /* Can't create new i18n strings now, so we'll save this for KDE 3.1 */
+ QString msg = i18n("Error while accessing string #2 in archive: \"");
+ msg.append( getID() );
+ msg.append( "\": " );
+ msg.append( i18n(strerror( errno )) );
+ printf("%s\n", msg.latin1());
+ KMessageBox::error(NULL, msg, i18n("File Access Error"));
+#endif /* DEBUG */
+ return;
+ }
+ if( fseek( _fptr, 12, SEEK_CUR ) < 0 )
+ {
+ clearerr( _fptr );
+#ifdef DEBUG /* Can't create new i18n strings now, so we'll save this for KDE 3.1 */
+ QString msg = i18n("Error during fseek #2 while accessing archive: \"");
+ msg.append( getID() );
+ msg.append( "\": " );
+ msg.append( i18n(strerror( errno )) );
+ printf("%s\n", msg.latin1());
+ KMessageBox::error(NULL, msg, i18n("File Access Error"));
+#endif /* DEBUG */
+ return;
+ }
+ memset( buf, 0, 4096 );
+ memcpy( buf, _name.ascii(), _name.length() > 4095 ? 4095 : _name.length() );
+ i = fwrite( buf, sizeof( char ), 4096, _fptr );
+ /* 2002-01-31 LEW */
+ /* Note to translator: I know it's past the deadline, so don't translate this. I think
+ I fixed the bug that caused this error to occur. Thanks - LW */
+ if( ( i < 4096 ) || ( ferror( _fptr ) != 0 )){
+ clearerr( _fptr );
+ QString msg = i18n("Error while updating archive name: ");
+ msg.append( i18n(strerror( errno )) );
+ printf("%s\n", msg.latin1());
+ KMessageBox::error(NULL, msg, i18n("File Access Error"));
+ // return;
+ /* 2002-01-31 LEW */
+ }
+ fflush( _fptr );
+
+ /* 2002-01-31 LEW */
+#ifdef DEBUG
+ // printf("Tape::setName. wrote \"%s\" (%d bytes) into archive ID %s. %s %d\n",
+ // _name.ascii(), _name.length(), getID().latin1(), __FILE__, __LINE__);
+ // printf(" The buffer size is 4096. %d bytes were written\n", i);
+#endif /* DEBUG */
+ /* 2002-01-31 LEW */
+
+ // change back to read-only 2002-01-31 LEW
+ freopen( QFile::encodeName(filename), "r", _fptr );
+
+ TapeManager::instance()->tapeModified( this );
+}
+
+void Tape::setMTime( int mtime )
+{
+ read();
+
+ if ( !_fptr ) {
+ // Create a new empty index file.
+ write();
+ }
+
+ // change file to read-write so we can update it 2002-01-31 LEW
+ QString filename = locateLocal( "appdata", _id);
+ freopen( QFile::encodeName(filename), "r+", _fptr );
+
+ _mtime = mtime;
+
+ char buf[4096];
+ fseek( _fptr, 0, SEEK_SET );
+ fgets( buf, 4096, _fptr );
+ fgets( buf, 4096, _fptr );
+ fseek( _fptr, 4, SEEK_CUR );
+ fwrite( &_mtime, sizeof( _mtime ), 1, _fptr );
+ fflush( _fptr );
+
+ // change back to read-only 2002-01-31 LEW
+ freopen( QFile::encodeName(filename), "r", _fptr );
+
+ TapeManager::instance()->tapeModified( this );
+}
+
+void Tape::setSize( int size )
+{
+ read();
+
+ if ( !_fptr ) {
+ // Create a new empty index file.
+ write();
+ }
+
+ _size = size;
+
+ // change file to read-write so we can update it 2002-01-31 LEW
+ QString filename = locateLocal( "appdata", _id);
+ freopen( QFile::encodeName(filename), "r+", _fptr );
+
+ char buf[4096];
+ fseek( _fptr, 0, SEEK_SET );
+ fgets( buf, 4096, _fptr );
+ fgets( buf, 4096, _fptr );
+ fseek( _fptr, 8, SEEK_CUR );
+ fwrite( &_size, sizeof( _size ), 1, _fptr );
+ fflush( _fptr );
+
+ // change back to read-only 2002-01-31 LEW
+ freopen( QFile::encodeName(filename), "r", _fptr );
+
+ TapeManager::instance()->tapeModified( this );
+}
+
+void Tape::addChild( Archive* archive )
+{
+ /* 2002-01-28 LEW */
+ // printf("Preparing to add archive to tape file\n" );
+ /* 2002-01-28 LEW */
+
+ read();
+
+ // change file to read-write so we can update it 2002-01-31 LEW
+ QString filename = locateLocal( "appdata", _id);
+ freopen( QFile::encodeName(filename), "r+", _fptr );
+
+ archive->calcRanges();
+
+ _children.append( archive );
+
+ char buf[4096];
+ fseek( _fptr, 0, SEEK_END );
+ int here = ftell( _fptr );
+ fseek( _fptr, 0, SEEK_SET );
+ fgets( buf, 4096, _fptr );
+ fgets( buf, 4096, _fptr );
+ fseek( _fptr, 12 + 4096, SEEK_CUR );
+ int ival = _children.count();
+ fwrite( &ival, sizeof( ival ), 1, _fptr );
+ fseek( _fptr, ( _children.count() - 1 ) * 4, SEEK_CUR );
+ fwrite( &here, sizeof( here ), 1, _fptr );
+ fseek( _fptr, here, SEEK_SET );
+ archive->write( _fptr );
+ fflush( _fptr );
+
+ setMTime( time( NULL ) );
+
+ // change back to read-only 2002-01-31 LEW
+ freopen( QFile::encodeName(filename), "r", _fptr );
+
+ /* 2002-01-28 LEW */
+ // printf("Done adding archive to tape file\n" );
+ /* 2002-01-28 LEW */
+}
+
+void Tape::removeChild( Archive* archive )
+{
+ read();
+
+ while ( _children.last() != archive ) {
+ _children.removeLast();
+ }
+ _children.removeLast();
+
+ char buf[4096];
+ fseek( _fptr, 0, SEEK_SET );
+ fgets( buf, 4096, _fptr );
+ fgets( buf, 4096, _fptr );
+ fseek( _fptr, 12 + 4096, SEEK_CUR );
+ int ival = _children.count();
+ fwrite( &ival, sizeof( ival ), 1, _fptr );
+ int here;
+ if ( ival > 0 ) {
+ fseek( _fptr, _children.count() * 4, SEEK_CUR );
+ fread( &here, sizeof( here ), 1, _fptr );
+ } else {
+ fseek( _fptr, MAX_NUM_ARCHIVES * 4, SEEK_CUR );
+ here = ftell( _fptr );
+ }
+
+ QString filename = locateLocal( "appdata", _id);
+ truncate( QFile::encodeName(filename), here );
+ freopen( QFile::encodeName(filename), "r+", _fptr );
+ fflush( _fptr );
+
+ // change back to read-only 2002-01-31 LEW
+ freopen( QFile::encodeName(filename), "r", _fptr );
+
+ setMTime( time( NULL ) );
+}
+
+void Tape::clear()
+{
+ if ( _children.count() < 1 ) {
+ return;
+ }
+
+ while ( _children.first() ) {
+ delete _children.first();
+ _children.removeFirst();
+ }
+
+ char buf[4096];
+ fseek( _fptr, 0, SEEK_SET );
+ fgets( buf, 4096, _fptr );
+ fgets( buf, 4096, _fptr );
+ fseek( _fptr, 12 + 4096, SEEK_CUR );
+ int ival = _children.count();
+ fwrite( &ival, sizeof( ival ), 1, _fptr );
+ fseek( _fptr, MAX_NUM_ARCHIVES * 4, SEEK_CUR );
+ int here = ftell( _fptr );
+
+ QString filename = locateLocal( "appdata", _id);
+ truncate( QFile::encodeName(filename), here );
+ freopen( QFile::encodeName(filename), "r+", _fptr );
+ fflush( _fptr );
+
+ // change back to read-only 2002-01-31 LEW
+ freopen( QFile::encodeName(filename), "r", _fptr );
+
+ setMTime( time( NULL ) );
+}
+
+void Tape::readVersion1Index( FILE* fptr )
+{
+ fseek( fptr, 0, SEEK_CUR );
+
+ char buf[4096];
+
+ // Read the tapeID.
+ if ( !fgets( buf, 4096, fptr ) ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Reading tape ID failed." ), i18n("Index File Error") );
+ return;
+ }
+ QCString tapeID = buf;
+ tapeID.truncate( tapeID.length() - 1 );
+ if ( tapeID !=_id ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Tape ID on tape does not match tape ID in index file." ), i18n("Index File Error") );
+ return;
+ }
+
+ // Read creation time.
+ if ( !fgets( buf, 4096, fptr ) ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Reading creation time failed." ), i18n("Index File Error") );
+ return;
+ }
+ _ctime = atoi( buf );
+
+ // Read modification time.
+ if ( !fgets( buf, 4096, fptr ) ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Reading modification time failed." ), i18n("Index File Error") );
+ return;
+ }
+ _mtime = atoi( buf );
+
+ // Read tape name.
+ if ( !fgets( buf, 4096, fptr ) ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Reading tape name failed." ), i18n("Index File Error") );
+ return;
+ }
+ _name = buf;
+ _name.truncate( _name.length() - 1 );
+
+ // Read tape size.
+ if ( !fgets( buf, 4096, fptr ) ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Reading tape size failed." ), i18n("Index File Error") );
+ return;
+ }
+ _size = atoi( buf );
+
+ // Read number of archives.
+ if ( !fgets( buf, 4096, fptr ) ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Reading archive count failed." ), i18n("Index File Error") );
+ return;
+ }
+ int numArchives = atoi( buf );
+
+ for ( ; numArchives; numArchives-- ) {
+ // Read archive name.
+ if ( !fgets( buf, 4096, fptr ) ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Reading archive name failed." ), i18n("Index File Error") );
+ return;
+ }
+ QString archiveName = buf;
+ archiveName.truncate( archiveName.length() - 1 );
+
+ // Read archive time stamp.
+ if ( !fgets( buf, 4096, fptr ) ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Reading archive time stamp failed." ), i18n("Index File Error") );
+ return;
+ }
+ int archiveTimeStamp = atoi( buf );
+
+ // Read archive start block.
+ if ( !fgets( buf, 4096, fptr ) ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Reading archive start block failed." ), i18n("Index File Error") );
+ return;
+ }
+ int archiveStartBlock = atoi( buf );
+
+ // Read archive end block.
+ if ( !fgets( buf, 4096, fptr ) ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Reading archive end block failed." ), i18n("Index File Error") );
+ return;
+ }
+ int archiveEndBlock = atoi( buf );
+
+ // Create the archive.
+ Archive* archive = new Archive( this, archiveTimeStamp, archiveName );
+ archive->setEndBlock( archiveEndBlock - archiveStartBlock );
+
+ _children.append( archive );
+
+ // Read the number of files.
+ if ( !fgets( buf, 4096, fptr ) ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Reading archive file count failed." ), i18n("Index File Error") );
+ return;
+ }
+ int archiveNumFiles = atoi( buf );
+
+ QString tmpFileName;
+ int tmpFileSize = -1;
+ int tmpFileMTime = -1;
+ int tmpFileStartRecord = -1;
+ for ( ; archiveNumFiles; archiveNumFiles-- ) {
+ // Read file name.
+ if ( !fgets( buf, 4096, fptr ) ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Reading file name failed." ), i18n("Index File Error") );
+ return;
+ }
+ QString fileName = buf;
+ fileName.truncate( fileName.length() - 1 );
+
+ // Read file size.
+ if ( !fgets( buf, 4096, fptr ) ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Reading file size failed." ), i18n("Index File Error") );
+ return;
+ }
+ int fileSize = atoi( buf );
+
+ // Read file modification time.
+ if ( !fgets( buf, 4096, fptr ) ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Reading file modification time failed." ), i18n("Index File Error") );
+ return;
+ }
+ int fileModTime = atoi( buf );
+
+ // Read file record number.
+ if ( !fgets( buf, 4096, fptr ) ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Reading file record number failed." ), i18n("Index File Error") );
+ return;
+ }
+ int fileRecord = atoi( buf );
+
+ if ( tmpFileName.length() > 0 ) {
+ archive->addFile( tmpFileSize, tmpFileMTime, tmpFileStartRecord, fileRecord, tmpFileName );
+ }
+
+ tmpFileName = fileName.copy();
+ tmpFileSize = fileSize;
+ tmpFileMTime = fileModTime;
+ tmpFileStartRecord = fileRecord;
+ }
+
+ if ( tmpFileName.length() > 0 ) {
+ archive->addFile( tmpFileSize, tmpFileMTime, tmpFileStartRecord, archive->getEndBlock() * ( Options::instance()->getTapeBlockSize() / 512 ), tmpFileName );
+ }
+ }
+}
+
+void Tape::readVersion2Index( FILE* fptr )
+{
+ fseek( fptr, 0, SEEK_CUR );
+
+ char buf[4096];
+
+ // Read the tapeID.
+ if ( !fgets( buf, 4096, fptr ) ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Reading tape ID failed." ), i18n("Index File Error") );
+ return;
+ }
+ QCString tapeID = buf;
+ tapeID.truncate( tapeID.length() - 1 );
+ if ( tapeID != _id ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Tape ID on tape does not match tape ID in index file." ), i18n("Index File Error") );
+ return;
+ }
+
+ // Read creation time.
+ if ( !fgets( buf, 4096, fptr ) ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Reading creation time failed." ), i18n("Index File Error") );
+ return;
+ }
+ _ctime = atoi( buf );
+
+ // Read modification time.
+ if ( !fgets( buf, 4096, fptr ) ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Reading modification time failed." ), i18n("Index File Error") );
+ return;
+ }
+ _mtime = atoi( buf );
+
+ // Read tape name.
+ if ( !fgets( buf, 4096, fptr ) ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Reading tape name failed." ), i18n("Index File Error") );
+ return;
+ }
+ _name = buf;
+ _name.truncate( _name.length() - 1 );
+
+ // Read tape size.
+ if ( !fgets( buf, 4096, fptr ) ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Reading tape size failed." ), i18n("Index File Error") );
+ return;
+ }
+ _size = atoi( buf );
+
+ // Read number of archives.
+ if ( !fgets( buf, 4096, fptr ) ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Reading archive count failed." ), i18n("Index File Error") );
+ return;
+ }
+ int numArchives = atoi( buf );
+
+ int ival;
+ for ( ; numArchives; numArchives-- ) {
+ fread( &ival, sizeof( ival ), 1, fptr );
+ _children.append( new Archive( this, fptr, ival ) );
+ }
+}
+
+void Tape::readVersion3Index( FILE* fptr )
+{
+ fseek( fptr, 0, SEEK_CUR );
+
+ char buf[4097];
+ buf[4096] = '\0';
+
+ // Read the tapeID.
+ if ( !fgets( buf, 4096, fptr ) ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Reading tape ID failed." ), i18n("Index File Error") );
+ return;
+ }
+ QCString tapeID = buf;
+ tapeID.truncate( tapeID.length() - 1 );
+ if ( tapeID != _id ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Tape ID on tape does not match tape ID in index file." ), i18n("Index File Error") );
+ return;
+ }
+
+ // Read creation time.
+ fread( &_ctime, sizeof( _ctime ), 1, fptr );
+
+ // Read modification time.
+ fread( &_mtime, sizeof( _mtime ), 1, fptr );
+
+ // Read tape size.
+ fread( &_size, sizeof( _size ), 1, fptr );
+
+ // Read tape name.
+ fread( buf, sizeof( char ), 4096, fptr );
+ _name = buf;
+
+ // Read number of archives.
+ int numArchives;
+ fread( &numArchives, sizeof( numArchives ), 1, fptr );
+
+ int ival;
+ for ( ; numArchives; numArchives-- ) {
+ fread( &ival, sizeof( ival ), 1, fptr );
+ _children.append( new Archive( this, fptr, ival ) );
+ }
+}
+
+void Tape::readVersion4Index( FILE* fptr )
+{
+ fseek( fptr, 0, SEEK_CUR );
+
+ char buf[4097];
+ buf[4096] = '\0';
+
+ // Read the tapeID.
+ if ( !fgets( buf, 4096, fptr ) ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Reading tape ID failed." ), i18n("Index File Error") );
+ return;
+ }
+ QCString tapeID = buf;
+ tapeID.truncate( tapeID.length() - 1 );
+ if ( tapeID != _id ) {
+ KMessageBox::error( KDatMainWindow::getInstance(), i18n( "Tape ID on tape does not match tape ID in index file." ), i18n("Index File Error") );
+ return;
+ }
+
+ // Read creation time.
+ fread( &_ctime, sizeof( _ctime ), 1, fptr );
+
+ // Read modification time.
+ fread( &_mtime, sizeof( _mtime ), 1, fptr );
+
+ // Read tape size.
+ fread( &_size, sizeof( _size ), 1, fptr );
+
+ // Read tape name.
+ fread( buf, sizeof( char ), 4096, fptr );
+ _name = buf;
+
+ // Read number of archives.
+ int numArchives;
+ fread( &numArchives, sizeof( numArchives ), 1, fptr );
+
+ int ival;
+ for ( ; numArchives; numArchives-- ) {
+ fread( &ival, sizeof( ival ), 1, fptr );
+ _children.append( new Archive( this, fptr, ival ) );
+ }
+
+ /* 2002-01-31 LEW */
+#ifdef DEBUG
+ printf("Read contents of archive file \"%s\". %s %d\n",
+ _name.latin1(), __FILE__, __LINE__ );
+#endif /* DEBUG */
+ /* 2002-01-31 LEW */
+}
+
+void Tape::calcRanges()
+{
+ QPtrListIterator<Archive> it( getChildren() );
+ for ( ; it.current(); ++it ) {
+ it.current()->calcRanges();
+ }
+}
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-27 01:38:46 +0000