// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename       : Structs.cs
// Author(s)      : Natalia Portillo <claunia@claunia.com>
//
// Component      : Disk image plugins.
//
// --[ Description ] ----------------------------------------------------------
//
//     Contains structures for VirtualBox disk images.
//
// --[ 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 © 2011-2021 Natalia Portillo
// ****************************************************************************/

using System;
using System.Runtime.InteropServices;

namespace Aaru.DiscImages
{
    public sealed partial class Vdi
    {
        /// <summary>VDI disk image header, little-endian</summary>
        [StructLayout(LayoutKind.Sequential, Pack = 1)]
        struct Header
        {
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 64)]
            public string creator;
            /// <summary>Magic, <see cref="Vdi.VDI_MAGIC" /></summary>
            public uint magic;
            /// <summary>Version</summary>
            public ushort majorVersion;
            public          ushort        minorVersion;
            public          int           headerSize;
            public          VdiImageType  imageType;
            public readonly VdiImageFlags imageFlags;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 256)]
            public string comments;
            public          uint  offsetBlocks;
            public          uint  offsetData;
            public          uint  cylinders;
            public          uint  heads;
            public          uint  spt;
            public          uint  sectorSize;
            public readonly uint  unused;
            public          ulong size;
            public          uint  blockSize;
            public readonly uint  blockExtraData;
            public          uint  blocks;
            public          uint  allocatedBlocks;
            public          Guid  uuid;
            public          Guid  snapshotUuid;
            public readonly Guid  linkUuid;
            public readonly Guid  parentUuid;
            public          uint  logicalCylinders;
            public          uint  logicalHeads;
            public          uint  logicalSpt;
            public readonly uint  logicalSectorSize;
        }
    }
}