/// <summary>
/// This method reads the ATIP information from a CD media
/// </summary>
/// <returns></returns>
public CommandStatus ReadAtip(out AtipInfo info)
{
ushort len;
info = null;
if (m_logger != null)
{
string args = "info";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadAtip(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.ReadTocPmaAtip, 10, 32, Command.CmdDirection.In, 5 * 60))
{
cmd.SetCDB8(2, 4);
cmd.SetCDB16(7, 32);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
len = cmd.GetBuffer16(0);
len += 2;
}
if (len <= 4)
return CommandStatus.Success;
using (Command cmd = new Command(ScsiCommandCode.ReadTocPmaAtip, 10, len, Command.CmdDirection.In, 5 * 60))
{
cmd.SetCDB8(2, 4);
cmd.SetCDB16(7, len);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
info = new AtipInfo(cmd.GetBuffer(), len);
}
return CommandStatus.Success;
}
/// <summary>
/// This method reads the ATIP information from a CD media
/// </summary>
/// <returns></returns>
public CommandStatus ReadPMA(out byte[] data)
{
ushort len;
data = null;
if (m_logger != null)
{
string args = "info";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadFullToc(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.ReadTocPmaAtip, 10, 320, Command.CmdDirection.In, 5 * 60))
{
cmd.SetCDB8(1, 2);
cmd.SetCDB8(2, 3);
cmd.SetCDB16(7, 320);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
len = cmd.GetBuffer16(0);
len += 2;
if (len <= 320)
{
data = new byte[len];
Marshal.Copy(cmd.GetBuffer(), data, 0, len);
return CommandStatus.Success;
}
}
using (Command cmd = new Command(ScsiCommandCode.ReadTocPmaAtip, 10, len, Command.CmdDirection.In, 5 * 60))
{
cmd.SetCDB8(2, 3);
cmd.SetCDB16(7, len);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
//info = new AtipInfo(cmd.GetBuffer(), len);
data = new byte[len];
Marshal.Copy(cmd.GetBuffer(), data, 0, len);
}
return CommandStatus.Success;
}
/// <summary>
/// Return the data from a ReadDvdStructure request as a series of bytes.
/// </summary>
/// <param name="format">the format of the read dvd structure request</param>
/// <param name="data">the AACS volume identifier</param>
/// <returns>status of command execution</returns>
private CommandStatus ReadDiskStructureReturnBytes(byte format, out byte[] data)
{
data = null;
if (m_logger != null)
{
string args = "out byte[] data";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadDvdStructureAACSVolumeIdentifier(" + args + ")"));
}
ushort len = 4;
using (Command cmd = new Command(ScsiCommandCode.ReadDvdStructure, 12, len, Command.CmdDirection.In, 60))
{
cmd.SetCDB8(7, format); // Read manufacturing information
cmd.SetCDB16(8, len); // Up to 2k of data
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
len = cmd.GetBuffer16(0);
if (len == 0)
{
data = new byte[0];
return CommandStatus.Success;
}
Debug.Assert(len < 8192);
}
using (Command cmd = new Command(ScsiCommandCode.ReadDvdStructure, 12, len, Command.CmdDirection.In, 60))
{
cmd.SetCDB8(7, format); // Read manufacturing information
cmd.SetCDB16(8, len); // Up to 2k of data
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
len = cmd.GetBuffer16(0);
data = new byte[len];
Marshal.Copy(cmd.GetBuffer(), data, 0, len);
}
return CommandStatus.Success;
}
/// <summary>
/// Read the table of contents from the disk
/// </summary>
/// <param name="track">the track or session to find the TOC for</param>
/// <param name="toc">a list return value containins a list of table of content entryies</param>
/// <param name="mode">time versus lba mode</param>
/// <returns></returns>
public CommandStatus ReadToc(byte track, bool mode, out IList<TocEntry> toc)
{
ushort len;
toc = null;
if (m_logger != null)
{
string args = "info";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadToc(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.ReadTocPmaAtip, 10, 16, Command.CmdDirection.In, 5 * 60))
{
if (mode)
cmd.SetCDB8(1, 2);
cmd.SetCDB8(6, track);
cmd.SetCDB16(7, 16);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
len = cmd.GetBuffer16(0);
len += 2;
}
using (Command cmd = new Command(ScsiCommandCode.ReadTocPmaAtip, 10, len, Command.CmdDirection.In, 5 * 60))
{
if (mode)
cmd.SetCDB8(1, 2);
cmd.SetCDB8(6, track);
cmd.SetCDB16(7, len);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
int offset = 4;
toc = new List<TocEntry>();
while (offset + 8 <= len)
{
TocEntry entry = new TocEntry(cmd.GetBuffer(), offset, cmd.BufferSize, mode);
toc.Add(entry);
offset += 8;
}
}
return CommandStatus.Success;
}
/// <summary>
/// This method reads the PAC data for a blu-ray disk
/// </summary>
/// <param name="pacid">the pac id of the pac to read</param>
/// <param name="pacfmt">the format of the pac to read</param>
/// <param name="data">return storage for the pac data</param>
/// <returns></returns>
public CommandStatus ReadDiskStructurePac(uint pacid, byte pacfmt, out byte [] data)
{
data = null;
if (m_logger != null)
{
string args = "out byte[] data";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadDvdStructurePac(" + args + ")"));
}
ushort len = 4;
using (Command cmd = new Command(ScsiCommandCode.ReadDvdStructure, 12, len, Command.CmdDirection.In, 60))
{
cmd.SetCDB24(2, pacid);
cmd.SetCDB8(6, pacfmt);
cmd.SetCDB8(7, 0x30); // Read PAC data
cmd.SetCDB16(8, len);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
len = (ushort)(cmd.GetBuffer16(0) + 2);
if (len == 2)
{
data = new byte[0];
return CommandStatus.Success;
}
Debug.Assert(len < 8192);
}
using (Command cmd = new Command(ScsiCommandCode.ReadDvdStructure, 12, len, Command.CmdDirection.In, 60))
{
cmd.SetCDB24(2, pacid);
cmd.SetCDB8(6, pacfmt);
cmd.SetCDB8(7, 0x30); // Read manufacturing information
cmd.SetCDB16(8, len); // Up to 2k of data
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
len = (ushort)(cmd.GetBuffer16(0) + 2);
data = new byte[len];
Marshal.Copy(cmd.GetBuffer(), data, 0, len);
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus ReadDiskInformation(out DiskInformation result)
{
if (m_logger != null)
{
string args = "out result";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadDiskInformation(" + args + ")"));
}
ushort len = 0;
result = null;
using (Command cmd = new Command(ScsiCommandCode.ReadDiskInformation, 10, 34, Command.CmdDirection.In, 60))
{
cmd.SetCDB16(7, 34);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
len = cmd.GetBuffer16(0);
if (len <= 34)
{
result = new DiskInformation(cmd.GetBuffer(), cmd.BufferSize);
return CommandStatus.Success;
}
len += 2;
}
using (Command cmd = new Command(ScsiCommandCode.ReadDiskInformation, 10, len, Command.CmdDirection.In, 60))
{
cmd.SetCDB16(7, len);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
result = new DiskInformation(cmd.GetBuffer(), cmd.BufferSize);
}
return CommandStatus.Success;
}
/// <summary>
/// Read the CD text information from the leadin using the ReadTocPmaAtip command form
/// </summary>
/// <param name="data"></param>
/// <param name="_timeout"></param>
/// <returns></returns>
public CommandStatus ReadCDText(out byte [] data, int _timeout)
{
ushort len;
if (m_logger != null)
{
string args = "info";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadCDText(" + args + ")"));
}
data = null;
using (Command cmd = new Command(ScsiCommandCode.ReadTocPmaAtip, 10, 4, Command.CmdDirection.In, _timeout))
{
cmd.SetCDB8(2, 5); // CDText info in leadin
cmd.SetCDB16(7, 4);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
len = cmd.GetBuffer16(0);
len += 2;
if (len <= 4)
{
data = new byte[len];
Marshal.Copy(cmd.GetBuffer(), data, 0, len);
return CommandStatus.Success;
}
}
using (Command cmd = new Command(ScsiCommandCode.ReadTocPmaAtip, 10, len, Command.CmdDirection.In, _timeout))
{
cmd.SetCDB8(2, 5); // CDText info in leadin
cmd.SetCDB16(7, len);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
data = new byte[len];
Marshal.Copy(cmd.GetBuffer(), data, 0, len);
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <param name="pc"></param>
/// <param name="page"></param>
/// <param name="table"></param>
/// <returns></returns>
public CommandStatus ModeSense(PageControl pc, byte page, out ModeTable table)
{
if (m_logger != null)
{
string args = pc.ToString() + ", " + page.ToString() + ", out result";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ModeSense(" + args + ")"));
}
ushort len = 0;
table = null;
byte b = 0;
b |= (byte)((byte)(pc) << 7);
b |= (byte)(page & 0x3f);
using (Command cmd = new Command(ScsiCommandCode.ModeSense, 10, 8, Command.CmdDirection.In, 60 * 5))
{
cmd.SetCDB8(1, 8); // Disable block descriptors
cmd.SetCDB8(2, b);
cmd.SetCDB16(7, 8);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
len = cmd.GetBuffer16(0);
len += 2;
}
using (Command cmd = new Command(ScsiCommandCode.ModeSense, 10, len, Command.CmdDirection.In, 60 * 5))
{
cmd.SetCDB8(1, 8); // Disable block descriptors
cmd.SetCDB8(2, b);
cmd.SetCDB16(7, len);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
table = new ModeTable(cmd.GetBuffer(), cmd.BufferSize);
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <param name="polled"></param>
/// <param name="request"></param>
/// <param name="result"></param>
/// <returns></returns>
public CommandStatus GetEventStatusNotification(bool polled, NotificationClass request, out EventStatusNotification result)
{
if (m_logger != null)
{
string args = polled.ToString() + ", " + request.ToString() + ", out result";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.GetEventStatusNotification(" + args + ")"));
}
ushort len = 0;
result = null;
using (Command cmd = new Command(ScsiCommandCode.GetEventStatusNotification, 10, 4, Command.CmdDirection.In, 10))
{
if (polled)
cmd.SetCDB8(1, 1);
cmd.SetCDB8(4, (byte)request);
cmd.SetCDB16(7, 4);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
byte n = cmd.GetBuffer8(2);
if ((n & 0x80) != 0)
{
// There are no events, just capture the header
result = new EventStatusNotification(cmd.GetBuffer(), cmd.BufferSize);
return CommandStatus.Success;
}
//
// There are event notifications to be grabbed, allocate space for these
//
len = cmd.GetBuffer16(0);
len += 4; // For the length field
}
using (Command cmd = new Command(ScsiCommandCode.GetEventStatusNotification, 10, len, Command.CmdDirection.In, 10))
{
if (polled)
cmd.SetCDB8(1, 1);
cmd.SetCDB8(4, (byte)request);
cmd.SetCDB16(7, len);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
result = new EventStatusNotification(cmd.GetBuffer(), cmd.BufferSize);
}
return CommandStatus.Success;
}
