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49 lines
2.3 KiB
C#
49 lines
2.3 KiB
C#
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// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : Consts.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Files-11 On-Disk Structure plugin.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Identifies the Files-11 On-Disk Structure and shows information.
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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 © 2011-2023 Natalia Portillo
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// ****************************************************************************/
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namespace Aaru.Filesystems;
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// Information from VMS File System Internals by Kirby McCoy
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// ISBN: 1-55558-056-4
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// With some hints from http://www.decuslib.com/DECUS/vmslt97b/gnusoftware/gccaxp/7_1/vms/hm2def.h
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// Expects the home block to be always in sector #1 (does not check deltas)
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// Assumes a sector size of 512 bytes (VMS does on HDDs and optical drives, dunno about M.O.)
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// Book only describes ODS-2. Need to test ODS-1 and ODS-5
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// There is an ODS with signature "DECFILES11A", yet to be seen
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// Time is a 64 bit unsigned integer, tenths of microseconds since 1858/11/17 00:00:00.
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// TODO: Implement checksum
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/// <inheritdoc />
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/// <summary>Implements detection of DEC's On-Disk Structure, aka the ODS filesystem</summary>
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public sealed partial class ODS
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{
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const string FS_TYPE = "files11";
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}
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