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, 177 insertions, 0 deletions

diff --git a/libk3bdevice/k3bscsicommand_linux.cpp b/libk3bdevice/k3bscsicommand_linux.cpp
new file mode 100644
index 0000000..774da06
--- /dev/null
+++ b/libk3bdevice/k3bscsicommand_linux.cpp
@@ -0,0 +1,177 @@
+/*
+ *
+ * $Id: k3bscsicommand_linux.cpp 679274 2007-06-23 13:23:58Z trueg $
+ * Copyright (C) 2003-2007 Sebastian Trueg <trueg@k3b.org>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
+ *
+ * Parts of this file are inspired (and copied) from transport.hxx
+ * from the dvd+rw-tools (C) Andy Polyakov <appro@fy.chalmers.se>
+ *
+ * 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 "k3bscsicommand.h"
+#include "k3bdevice.h"
+
+#include <k3bdebug.h>
+
+#include <sys/ioctl.h>
+#undef __STRICT_ANSI__
+#include <linux/cdrom.h>
+#define __STRICT_ANSI__
+#include <scsi/sg.h>
+
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/utsname.h>
+
+
+#if !defined(SG_FLAG_LUN_INHIBIT)
+# if defined(SG_FLAG_UNUSED_LUN_INHIBIT)
+#  define SG_FLAG_LUN_INHIBIT SG_FLAG_UNUSED_LUN_INHIBIT
+# else
+#  define SG_FLAG_LUN_INHIBIT 0
+# endif
+#endif
+
+#ifdef SG_IO
+static bool useSgIo()
+{
+  struct utsname buf;
+  uname( &buf );
+  // was CDROM_SEND_PACKET declared dead in 2.5?
+  return ( strcmp( buf.release, "2.5.43" ) >=0 );
+}
+#endif
+
+
+class K3bDevice::ScsiCommand::Private
+{
+public:
+  struct cdrom_generic_command cmd;
+  struct request_sense sense;
+
+#ifdef SG_IO
+  bool useSgIo;
+  struct sg_io_hdr sgIo;
+#endif
+};
+
+
+void K3bDevice::ScsiCommand::clear()
+{
+  ::memset( &d->cmd, 0, sizeof(struct cdrom_generic_command) );
+  ::memset( &d->sense, 0, sizeof(struct request_sense) );
+
+  d->cmd.quiet = 1;
+  d->cmd.sense = &d->sense;
+
+#ifdef SG_IO
+  d->useSgIo = useSgIo();
+  ::memset( &d->sgIo, 0, sizeof(struct sg_io_hdr) );
+#endif
+}
+
+
+unsigned char& K3bDevice::ScsiCommand::operator[]( size_t i )
+{
+#ifdef SG_IO
+  if( d->sgIo.cmd_len < i+1 )
+    d->sgIo.cmd_len = i+1;
+#endif
+  return d->cmd.cmd[i];
+}
+
+
+int K3bDevice::ScsiCommand::transport( TransportDirection dir,
+				       void* data,
+				       size_t len )
+{
+  bool needToClose = false;
+  if( m_device ) {
+      m_device->usageLock();
+      if( !m_device->isOpen() ) {
+          needToClose = true;
+      }
+      if ( !m_device->open( dir == TR_DIR_WRITE ) ) {
+          m_device->usageUnlock();
+          return -1;
+      }
+      m_deviceHandle = m_device->handle();
+  }
+
+  if( m_deviceHandle == -1 ) {
+    return -1;
+  }
+
+  int i = -1;
+
+#ifdef SG_IO
+  if( d->useSgIo ) {
+    d->sgIo.interface_id= 'S';
+    d->sgIo.mx_sb_len = sizeof( struct request_sense );
+    d->sgIo.cmdp      = d->cmd.cmd;
+    d->sgIo.sbp       = (unsigned char*)&d->sense;
+    d->sgIo.flags     = SG_FLAG_LUN_INHIBIT|SG_FLAG_DIRECT_IO;
+    d->sgIo.dxferp    = data;
+    d->sgIo.dxfer_len = len;
+    d->sgIo.timeout   = 5000;
+    if( dir == TR_DIR_READ )
+      d->sgIo.dxfer_direction = SG_DXFER_FROM_DEV;
+    else if( dir == TR_DIR_WRITE )
+      d->sgIo.dxfer_direction = SG_DXFER_TO_DEV;
+    else
+      d->sgIo.dxfer_direction = SG_DXFER_NONE;
+
+    i = ::ioctl( m_deviceHandle, SG_IO, &d->sgIo );
+
+    if( ( d->sgIo.info&SG_INFO_OK_MASK ) != SG_INFO_OK )
+      i = -1;
+  }
+  else {
+#endif
+    d->cmd.buffer = (unsigned char*)data;
+    d->cmd.buflen = len;
+    if( dir == TR_DIR_READ )
+      d->cmd.data_direction = CGC_DATA_READ;
+    else if( dir == TR_DIR_WRITE )
+      d->cmd.data_direction = CGC_DATA_WRITE;
+    else
+      d->cmd.data_direction = CGC_DATA_NONE;
+
+    i = ::ioctl( m_deviceHandle, CDROM_SEND_PACKET, &d->cmd );
+#ifdef SG_IO
+  }
+#endif
+
+  if( needToClose )
+    m_device->close();
+
+  if ( m_device ) {
+      m_device->usageUnlock();
+  }
+
+  if( i ) {
+    debugError( d->cmd.cmd[0],
+		d->sense.error_code,
+		d->sense.sense_key,
+		d->sense.asc,
+		d->sense.ascq );
+
+    int errCode =
+      (d->sense.error_code<<24) & 0xF000 |
+      (d->sense.sense_key<<16)  & 0x0F00 |
+      (d->sense.asc<<8)         & 0x00F0 |
+      (d->sense.ascq)           & 0x000F;
+
+    return( errCode != 0 ? errCode : 1 );
+  }
+  else
+    return 0;
+}