Added abandoned KDE3 version of K3B

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/k3b@1084400 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 239 insertions, 0 deletions

diff --git a/libk3b/tools/k3biso9660backend.cpp b/libk3b/tools/k3biso9660backend.cpp
new file mode 100644
index 0000000..aacc079
--- /dev/null
+++ b/libk3b/tools/k3biso9660backend.cpp
@@ -0,0 +1,239 @@
+/* 
+ *
+ * $Id: sourceheader 380067 2005-01-19 13:03:46Z trueg $
+ * Copyright (C) 2005 Sebastian Trueg <[email protected]>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ *
+ * 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 "k3biso9660backend.h"
+#include "k3blibdvdcss.h"
+
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include <qfile.h>
+
+#include <k3bdevice.h>
+
+
+// 
+// K3bIso9660DeviceBackend -----------------------------------
+// 
+
+K3bIso9660DeviceBackend::K3bIso9660DeviceBackend( K3bDevice::Device* dev )
+  : m_device( dev ),
+    m_isOpen(false)
+{
+}
+
+
+K3bIso9660DeviceBackend::~K3bIso9660DeviceBackend()
+{
+  close();
+}
+
+
+bool K3bIso9660DeviceBackend::open()
+{
+  if( m_isOpen )
+    return true;
+  else if( m_device->open() ) {
+    // set optimal reading speed
+    m_device->setSpeed( 0xffff, 0xffff );
+    m_isOpen = true;
+    return true;
+  }
+  else
+    return false;
+}
+
+
+void K3bIso9660DeviceBackend::close()
+{
+  if( m_isOpen ) {
+    m_isOpen = false;
+    m_device->close();
+  }
+}
+
+
+int K3bIso9660DeviceBackend::read( unsigned int sector, char* data, int len )
+{
+  if( isOpen() ) {
+    //
+    // split the number of sectors to be read
+    // FIXME: use a "real" value, not some arbitrary one
+    //
+    static const int maxReadSectors = 20;
+    int sectorsRead = 0;
+    int retries = 10;  // TODO: no fixed value
+    while( retries ) {
+      int read = QMIN(len-sectorsRead, maxReadSectors);
+      if( !m_device->read10( (unsigned char*)(data+sectorsRead*2048),
+			     read*2048,
+			     sector+sectorsRead,
+			     read ) ) {
+	retries--;
+      }
+      else {
+	sectorsRead += read;
+	retries = 10; // new retires for every read part
+	if( sectorsRead == len )
+	  return len;
+      }
+    }
+  }
+
+  return -1;
+}
+
+
+// 
+// K3bIso9660FileBackend -----------------------------------
+// 
+
+K3bIso9660FileBackend::K3bIso9660FileBackend( const QString& filename )
+  : m_filename( filename ),
+    m_fd( -1 ),
+    m_closeFd( true )
+{
+}
+
+
+K3bIso9660FileBackend::K3bIso9660FileBackend( int fd )
+  : m_fd( fd ),
+    m_closeFd( false )
+{
+}
+
+
+K3bIso9660FileBackend::~K3bIso9660FileBackend()
+{
+  close();
+}
+
+
+#ifndef O_LARGEFILE
+#define O_LARGEFILE 0
+#endif
+
+bool K3bIso9660FileBackend::open()
+{
+  if( m_fd > 0 )
+    return true;
+  else {
+    m_fd = ::open( QFile::encodeName( m_filename ), O_RDONLY|O_LARGEFILE );
+    return ( m_fd > 0 );
+  }
+}
+
+
+void K3bIso9660FileBackend::close()
+{
+  if( m_closeFd && m_fd > 0 ) {
+    ::close( m_fd );
+    m_fd = -1;
+  }
+}
+
+
+
+bool K3bIso9660FileBackend::isOpen() const
+{
+  return ( m_fd > 0 );
+}
+
+
+int K3bIso9660FileBackend::read( unsigned int sector, char* data, int len )
+{
+  int read = 0;
+  if( ::lseek( m_fd, static_cast<unsigned long long>(sector)*2048, SEEK_SET ) != -1 )
+    if( (read = ::read( m_fd, data, len*2048 )) != -1 )
+      return read / 2048;
+
+  return -1;
+}
+
+
+
+// 
+// K3bIso9660LibDvdCssBackend -----------------------------------
+// 
+
+K3bIso9660LibDvdCssBackend::K3bIso9660LibDvdCssBackend( K3bDevice::Device* dev )
+  : m_device( dev ),
+    m_libDvdCss( 0 )
+{
+}
+
+
+K3bIso9660LibDvdCssBackend::~K3bIso9660LibDvdCssBackend()
+{
+  close();
+}
+
+
+bool K3bIso9660LibDvdCssBackend::open()
+{
+  if( !m_libDvdCss ) {
+    // open the libdvdcss stuff
+    m_libDvdCss = K3bLibDvdCss::create();
+	
+    if( m_libDvdCss ) {
+      
+      if( !m_libDvdCss->open( m_device ) ||
+	  !m_libDvdCss->crackAllKeys() ) {
+	kdDebug() << "(K3bIso9660LibDvdCssBackend) Failed to retrieve all CSS keys." << endl;
+	close();
+      }
+    }
+    else
+      kdDebug() << "(K3bIso9660LibDvdCssBackend) failed to open libdvdcss." << endl;
+  }
+
+  return ( m_libDvdCss != 0 );
+}
+
+
+void K3bIso9660LibDvdCssBackend::close()
+{
+  delete m_libDvdCss;
+  m_libDvdCss = 0;
+}
+
+
+
+bool K3bIso9660LibDvdCssBackend::isOpen() const
+{
+  return ( m_libDvdCss != 0 );
+}
+
+
+int K3bIso9660LibDvdCssBackend::read( unsigned int sector, char* data, int len )
+{
+  int read = -1;
+
+  if( isOpen() ) {  
+    int retries = 10;  // TODO: no fixed value
+    while( retries && !m_libDvdCss->readWrapped( reinterpret_cast<void*>(data),
+						 sector,
+						 len ) )
+      retries--;
+    
+    if( retries > 0 )
+      read = len;
+  }
+
+  return read;
+}
+