Aaru/Aaru.Devices/Device/Destructor.cs

// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename       : Destructor.cs
// Author(s)      : Natalia Portillo <claunia@claunia.com>
//
// Component      : Direct device access.
//
// --[ Description ] ----------------------------------------------------------
//
//     Returns the device to the operating system.
//
// --[ 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 © 2011-2022 Natalia Portillo
// ****************************************************************************/

namespace Aaru.Devices;

using Aaru.CommonTypes.Interop;
using Aaru.Devices.Linux;
using Microsoft.Win32.SafeHandles;

public sealed partial class Device
{
    /// <summary>
    ///     Releases unmanaged resources and performs other cleanup operations before the <see cref="Device" /> is
    ///     reclaimed by garbage collection.
    /// </summary>
    ~Device() => Close();

    /// <summary>Closes a device</summary>
    public void Close()
    {
        if(_remote != null)
        {
            _remote.Close();
            _remote.Disconnect();

            return;
        }

        if(FileHandle == null)
            return;

        switch(PlatformId)
        {
            case PlatformID.Win32NT:
                (FileHandle as SafeFileHandle)?.Close();

                break;
            case PlatformID.Linux:
                Extern.close((int)FileHandle);

                break;
        }

        FileHandle = null;
    }
}