/* Copyright (C) 2017 Tal Aloni <tal.aloni.il@gmail.com>. All rights reserved.
 * 
 * You can redistribute this program and/or modify it under the terms of
 * the GNU Lesser Public License as published by the Free Software Foundation,
 * either version 3 of the License, or (at your option) any later version.
 */
using System;
using System.Collections.Generic;
using Utilities;

namespace SMBLibrary
{
    /// <summary>
    /// [MS-FSCC] 2.5.6 - FileFsObjectIdInformation
    /// </summary>
    public class FileFsObjectIdInformation : FileSystemInformation
    {
        public const int FixedLength = 64;

        public Guid ObjectID;
        public byte[] ExtendedInfo; //48 bytes

        public FileFsObjectIdInformation()
        {
            ExtendedInfo = new byte[48];
        }

        public FileFsObjectIdInformation(byte[] buffer, int offset)
        {
            LittleEndianConverter.ToGuid(buffer, offset + 0);
            ExtendedInfo = ByteReader.ReadBytes(buffer, offset + 16, 48);
        }

        public override void WriteBytes(byte[] buffer, int offset)
        {
            LittleEndianWriter.WriteGuidBytes(buffer, offset + 0, ObjectID);
            ByteWriter.WriteBytes(buffer, offset + 16, ExtendedInfo);
        }

        public override FileSystemInformationClass FileSystemInformationClass
        {
            get
            {
                return FileSystemInformationClass.FileFsObjectIdInformation;
            }
        }

        public override int Length
        {
            get
            {
                return FixedLength;
            }
        }
    }
}