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133 lines
4.1 KiB
C#
133 lines
4.1 KiB
C#
// /***************************************************************************
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// The Disc Image Chef
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// ----------------------------------------------------------------------------
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//
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// Filename : EVPD.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Device structures decoders.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Decodes SCSI EVPDs.
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2011-2016 Natalia Portillo
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// ****************************************************************************/
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using System;
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namespace DiscImageChef.Decoders.SCSI
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{
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public static class EVPD
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{
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/// <summary>
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/// Decodes VPD page 0x00: Supported VPD pages
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/// </summary>
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/// <returns>A byte array containing all supported VPD pages.</returns>
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/// <param name="page">Page 0x00.</param>
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public static byte[] DecodePage00(byte[] page)
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{
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if(page == null)
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return null;
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if(page[1] != 0)
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return null;
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if(page.Length != page[3] + 4)
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return null;
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byte[] decoded = new byte[page.Length - 4];
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Array.Copy(page, 4, decoded, 0, page.Length - 4);
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return decoded;
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}
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/// <summary>
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/// Decides VPD pages 0x01 to 0x7F: ASCII Information
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/// </summary>
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/// <returns>An ASCII string with the contents of the page.</returns>
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/// <param name="page">Page 0x01-0x7F.</param>
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public static string DecodeASCIIPage(byte[] page)
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{
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if(page == null)
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return null;
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if(page[1] == 0 || page[1] > 0x7F)
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return null;
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if(page.Length != page[3] + 4)
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return null;
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byte[] ascii = new byte[page[4]];
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Array.Copy(page, 5, ascii, 0, page[4]);
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return StringHandlers.CToString(ascii);
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}
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/// <summary>
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/// Decodes VPD page 0x80: Unit Serial Number
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/// </summary>
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/// <returns>The unit serial number.</returns>
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/// <param name="page">Page 0x80.</param>
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public static string DecodePage80(byte[] page)
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{
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if(page == null)
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return null;
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if(page[1] != 0x80)
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return null;
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if(page.Length != page[3] + 4)
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return null;
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byte[] ascii = new byte[page.Length - 4];
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Array.Copy(page, 4, ascii, 0, page.Length - 4);
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return StringHandlers.CToString(ascii);
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}
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/// <summary>
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/// Decodes VPD page 0x82: ASCII implemented operating definition
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/// </summary>
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/// <returns>ASCII implemented operating definition.</returns>
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/// <param name="page">Page 0x82.</param>
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public static string DecodePage82(byte[] page)
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{
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if(page == null)
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return null;
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if(page[1] != 0x82)
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return null;
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if(page.Length != page[3] + 4)
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return null;
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byte[] ascii = new byte[page.Length - 4];
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Array.Copy(page, 4, ascii, 0, page.Length - 4);
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return StringHandlers.CToString(ascii);
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}
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}
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}
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