Files
Aaru/Aaru.Decoders/SCSI/Modes/06.cs

99 lines
3.3 KiB
C#

// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : 06.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Device structures decoders.
//
// --[ Description ] ----------------------------------------------------------
//
// Decodes SCSI MODE PAGE 06h: Optical memory page.
//
// --[ License ] --------------------------------------------------------------
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2023 Natalia Portillo
// ****************************************************************************/
using System.Diagnostics.CodeAnalysis;
using System.Text;
namespace Aaru.Decoders.SCSI;
[SuppressMessage("ReSharper", "InconsistentNaming")]
[SuppressMessage("ReSharper", "MemberCanBeInternal")]
[SuppressMessage("ReSharper", "MemberCanBePrivate.Global")]
public static partial class Modes
{
#region Mode Page 0x06: Optical memory page
/// <summary>Optical memory page Page code 0x06 4 bytes in SCSI-2</summary>
public struct ModePage_06
{
/// <summary>Parameters can be saved</summary>
public bool PS;
/// <summary>Report updated block read</summary>
public bool RUBR;
}
public static ModePage_06? DecodeModePage_06(byte[] pageResponse)
{
if((pageResponse?[0] & 0x40) == 0x40)
return null;
if((pageResponse?[0] & 0x3F) != 0x06)
return null;
if(pageResponse[1] + 2 != pageResponse.Length)
return null;
if(pageResponse.Length < 4)
return null;
var decoded = new ModePage_06();
decoded.PS |= (pageResponse[0] & 0x80) == 0x80;
decoded.RUBR |= (pageResponse[2] & 0x01) == 0x01;
return decoded;
}
public static string PrettifyModePage_06(byte[] pageResponse) =>
PrettifyModePage_06(DecodeModePage_06(pageResponse));
public static string PrettifyModePage_06(ModePage_06? modePage)
{
if(!modePage.HasValue)
return null;
ModePage_06 page = modePage.Value;
var sb = new StringBuilder();
sb.AppendLine(Localization.SCSI_optical_memory);
if(page.PS)
sb.AppendLine("\t" + Localization.Parameters_can_be_saved);
if(page.RUBR)
sb.AppendLine("\t" + Localization.On_reading_an_updated_block_drive_will_return_RECOVERED_ERROR);
return sb.ToString();
}
#endregion Mode Page 0x06: Optical memory page
}