/// <summary>
/// Gets a value indicating if the path points to a block device
/// </summary>
/// <returns><c>true</c> if this instance is a block device; otherwise, <c>false</c>.</returns>
/// <param name="localPath">The file or folder to examine</param>
public override bool IsBlockDevice(string localPath)
{
try
{
var n = UnixSupport.File.GetFileType(SystemIOLinux.NormalizePath(localPath));
switch (n)
{
case UnixSupport.File.FileType.Directory:
case UnixSupport.File.FileType.Symlink:
case UnixSupport.File.FileType.File:
return(false);
default:
return(true);
}
}
catch
{
if (!System.IO.File.Exists(SystemIOLinux.NormalizePath(localPath)))
{
return(false);
}
throw;
}
}
/// <summary>
/// Gets a unique hardlink target ID
/// </summary>
/// <returns>The hardlink ID</returns>
/// <param name="localPath">The file or folder to examine</param>
public override string HardlinkTargetID(string localPath)
{
var normalizePath = SystemIOLinux.NormalizePath(localPath);
return(UnixSupport.File.GetHardlinkCount(normalizePath) <= 1
? null
: UnixSupport.File.GetInodeTargetID(normalizePath));
}
/// <summary>
/// Converts a local path to a snapshot path
/// </summary>
/// <param name="localPath">The local path</param>
/// <returns>The snapshot path</returns>
public string ConvertToSnapshotPath(string localPath)
{
if (!localPath.StartsWith(MountPoint, StringComparison.Ordinal))
{
throw new InvalidOperationException();
}
return(SystemIOLinux.NormalizePath(SnapshotPath + localPath.Substring(MountPoint.Length)));
}
/// <inheritdoc />
public override string ConvertToSnapshotPath(string localPath)
{
return(SystemIOLinux.NormalizePath(localPath));
}