Files

112 lines
3.3 KiB
C#

using System;
using System.Collections.Generic;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
using Duplicati.Proprietary.DiskImage.Disk;
using Duplicati.Proprietary.DiskImage.General;
namespace Duplicati.Proprietary.DiskImage.Partition;
/// <summary>
/// Represents a single partition on a disk.
/// </summary>
internal interface IPartition : IDisposable
{
/// <summary>
/// Gets the parent partition table.
/// </summary>
IPartitionTable PartitionTable { get; }
/// <summary>
/// Gets the partition number (1-based).
/// </summary>
int PartitionNumber { get; }
/// <summary>
/// Gets the partition type identifier.
/// </summary>
PartitionType Type { get; }
/// <summary>
/// Gets the starting offset in bytes.
/// </summary>
long StartOffset { get; }
/// <summary>
/// Gets the size in bytes.
/// </summary>
long Size { get; }
/// <summary>
/// Gets the partition name (if available).
/// </summary>
string? Name { get; }
/// <summary>
/// Gets the filesystem type (if detectable).
/// </summary>
FileSystemType FilesystemType { get; }
/// <summary>
/// Gets the volume GUID (for GPT).
/// </summary>
Guid? VolumeGuid { get; }
/// <summary>
/// Creates a stream to read the raw partition data.
/// </summary>
/// <param name="cancellationToken">Cancellation token.</param>
/// <returns>Stream for reading partition data.</returns>
Task<Stream> OpenReadAsync(CancellationToken cancellationToken);
/// <summary>
/// Creates a stream to write the raw partition data.
/// </summary>
/// <param name="cancellationToken">Cancellation token.</param>
/// <returns>Stream for writing partition data.</returns>
Task<Stream> OpenWriteAsync(CancellationToken cancellationToken);
}
/// <summary>
/// Partition table parsing interface.
/// </summary>
internal interface IPartitionTable : IDisposable
{
/// <summary>
/// Gets the raw disk this table was parsed from. Null if the table was created from a byte array.
/// </summary>
IRawDisk? RawDisk { get; }
/// <summary>
/// Gets the partition table type.
/// </summary>
PartitionTableType TableType { get; }
/// <summary>
/// Enumerates all partitions on the disk.
/// </summary>
/// <param name="cancellationToken">Cancellation token.</param>
/// <returns>Async enumerable of partitions.</returns>
IAsyncEnumerable<IPartition> EnumeratePartitions(CancellationToken cancellationToken);
/// <summary>
/// Gets a specific partition by number.
/// </summary>
/// <param name="partitionNumber">The partition number.</param>
/// <returns>The partition, or null if not found.</returns>
Task<IPartition?> GetPartitionAsync(int partitionNumber, CancellationToken cancellationToken);
/// <summary>
/// Gets the protective MBR (for GPT disks).
/// </summary>
Task<Stream> GetProtectiveMbrAsync(CancellationToken cancellationToken);
/// <summary>
/// Gets the raw partition table data for backup/restore purposes.
/// For MBR: returns the MBR sector (512 bytes).
/// For GPT: returns the protective MBR + GPT header + partition entries.
/// </summary>
Task<Stream> GetPartitionTableDataAsync(CancellationToken cancellationToken);
}