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110 lines
2.9 KiB
C#
110 lines
2.9 KiB
C#
//
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// BwgBurn - CD-R/CD-RW/DVD-R/DVD-RW burning program for DotNet
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//
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// Copyright (C) 2006 by Jack W. Griffin (butchg@comcast.net)
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program; if not, write to the
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//
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// Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330,
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// Boston, MA 02111-1307 USA
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//
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using System;
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using System.Collections.Generic;
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using System.Text;
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namespace Bwg.Scsi
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{
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/// <summary>
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///
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/// </summary>
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public class CapacityDescriptor : Result
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{
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#region public types
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/// <summary>
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///
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/// </summary>
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public enum DescriptorType : byte
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{
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/// <summary>
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///
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/// </summary>
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Reserved = 0,
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/// <summary>
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///
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/// </summary>
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Unformatted = 1,
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/// <summary>
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///
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/// </summary>
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Formatted = 2,
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/// <summary>
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///
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/// </summary>
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NoMedia = 3
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} ;
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#endregion
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#region public variables
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/// <summary>
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/// The number of blocks on this media.
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/// </summary>
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public readonly uint NumberOfBlocks;
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/// <summary>
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/// This length of a single block for this capacity
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/// </summary>
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public readonly uint BlockLength;
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/// <summary>
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/// This is the descriptor type, see the SCSI-3 MMC specification
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/// </summary>
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public readonly DescriptorType DescType;
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/// <summary>
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/// This is the type of format for the capacity descriptor, see the SCSI-3 MMC spec
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/// </summary>
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public readonly byte FormatType;
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#endregion
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#region constructor
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/// <summary>
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///
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/// </summary>
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/// <param name="buffer"></param>
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/// <param name="offset"></param>
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/// <param name="size"></param>
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public CapacityDescriptor(IntPtr buffer, int offset, int size)
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: base(buffer, size)
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{
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byte b;
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NumberOfBlocks = Get32(offset);
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b = Get8(offset + 4);
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DescType = (DescriptorType)(b & 0x03);
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FormatType = (byte)(b >> 2);
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BlockLength = Get24(offset + 5);
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}
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#endregion
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}
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}
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