/// <summary>
/// The constructor for the DiskInformation class. It parses the information from the
/// memory buffer that contains the raw SCSI result.
/// </summary>
/// <param name="buffer">The buffer containing the raw SCSI result</param>
/// <param name="size">The size of the raw SCSI result buffer</param>
public DiskInformation(IntPtr buffer, int size) : base(buffer, size)
{
ushort len = Get16(0);
byte b = Get8(2);
if ((b & 0x10) != 0)
{
m_erasable = true;
}
else
{
m_erasable = false;
}
m_session_state = (SessionStateType)((b >> 2) & 0x03);
m_disk_status = (DiskStatusType)(b & 0x03);
m_first_track = Get8(3);
m_session_count = (ushort)(Get8(4) | (Get8(9) << 8));
m_first_track_in_last_session = (ushort)(Get8(5) | (Get8(10) << 8));
m_last_track_in_last_session = (ushort)(Get8(6) | (Get8(11) << 8));
b = Get8(7);
if ((b & 0x80) != 0)
{
m_disk_id_valid = true;
m_disk_identification = Get32(12);
}
else
{
m_disk_id_valid = false;
}
if ((b & 0x40) != 0)
{
m_disk_bar_code_valid = true;
m_disk_bar_code = new byte[8];
for (int i = 24; i <= 31; i++)
{
m_disk_bar_code[i - 24] = Get8(i);
}
}
else
{
m_disk_bar_code_valid = false;
m_disk_bar_code = null;
}
if ((b & 0x20) != 0)
{
m_unrestricted_disk_use = true;
}
else
{
m_unrestricted_disk_use = false;
}
if ((b & 0x10) != 0)
{
m_disk_application_code_valid = true;
m_disk_application_code = Get8(32);
}
else
{
m_disk_application_code_valid = false;
}
if ((b & 0x04) != 0)
{
m_dirty_bit = true;
}
else
{
m_dirty_bit = false;
}
m_background_format_status = (BackgroundFormatStatusType)(b & 0x03);
m_last_session_lead_in_start_address = new MinuteSecondFrame(Get8(16) * 60 + Get8(17), Get8(18), Get8(19));
m_last_possible_leadout_start_address = new MinuteSecondFrame(Get8(20) * 60 + Get8(21), Get8(22), Get8(23));
OpcTable = new List <OpcTableEntry>();
if (BufferSize > 33)
{
byte cnt = Get8(33);
int offset = 34;
for (byte i = 0; i < cnt && offset < BufferSize; i++)
{
OpcTableEntry entry = new OpcTableEntry(Buffer, BufferSize, offset);
OpcTable.Add(entry);
offset += 8;
}
}
}
/// <summary>
/// The constructor for the DiskInformation class. It parses the information from the
/// memory buffer that contains the raw SCSI result.
/// </summary>
/// <param name="buffer">The buffer containing the raw SCSI result</param>
/// <param name="size">The size of the raw SCSI result buffer</param>
public DiskInformation(IntPtr buffer, int size) : base(buffer, size)
{
ushort len = Get16(0);
byte b = Get8(2);
if ((b & 0x10) != 0)
m_erasable = true;
else
m_erasable = false;
m_session_state = (SessionStateType)((b >> 2) & 0x03);
m_disk_status = (DiskStatusType)(b & 0x03);
m_first_track = Get8(3);
m_session_count = (ushort)(Get8(4) | (Get8(9) << 8));
m_first_track_in_last_session = (ushort)(Get8(5) | (Get8(10) << 8));
m_last_track_in_last_session = (ushort)(Get8(6) | (Get8(11) << 8));
b = Get8(7);
if ((b & 0x80) != 0)
{
m_disk_id_valid = true;
m_disk_identification = Get32(12);
}
else
m_disk_id_valid = false;
if ((b & 0x40) != 0)
{
m_disk_bar_code_valid = true;
m_disk_bar_code = new byte[8];
for (int i = 24; i <= 31; i++)
m_disk_bar_code[i - 24] = Get8(i);
}
else
{
m_disk_bar_code_valid = false;
m_disk_bar_code = null;
}
if ((b & 0x20) != 0)
m_unrestricted_disk_use = true;
else
m_unrestricted_disk_use = false;
if ((b & 0x10) != 0)
{
m_disk_application_code_valid = true;
m_disk_application_code = Get8(32);
}
else
m_disk_application_code_valid = false;
if ((b & 0x04) != 0)
m_dirty_bit = true;
else
m_dirty_bit = false;
m_background_format_status = (BackgroundFormatStatusType)(b & 0x03);
m_last_session_lead_in_start_address = new MinuteSecondFrame(Get8(16) * 60 + Get8(17), Get8(18), Get8(19));
m_last_possible_leadout_start_address = new MinuteSecondFrame(Get8(20) * 60 + Get8(21), Get8(22), Get8(23));
OpcTable = new List<OpcTableEntry>();
if (BufferSize > 33)
{
byte cnt = Get8(33);
int offset = 34;
for(byte i = 0 ; i < cnt && offset < BufferSize ; i++)
{
OpcTableEntry entry = new OpcTableEntry(Buffer, BufferSize, offset);
OpcTable.Add(entry);
offset += 8;
}
}
}