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dotnet: extended attributes support

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This commit is contained in:
Bill Zissimopoulos
2019-03-14 15:05:17 -07:00
parent 795caec679
commit 3553aec992
3 changed files with 319 additions and 5 deletions
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73
src/dotnet/FileSystemHost.cs
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@ -183,6 +183,14 @@ namespace Fsp
get { return 0 != (_VolumeParams.Flags & VolumeParams.NamedStreams); }
set { _VolumeParams.Flags |= (value ? VolumeParams.NamedStreams : 0); }
}
/// <summary>
/// Gets or sets a value that determines whether the file system supports extended attributes.
/// </summary>
public Boolean ExtendedAttributes
{
get { return 0 != (_VolumeParams.Flags & VolumeParams.ExtendedAttributes); }
set { _VolumeParams.Flags |= (value ? VolumeParams.ExtendedAttributes : 0); }
}
public Boolean PostCleanupWhenModifiedOnly
{
get { return 0 != (_VolumeParams.Flags & VolumeParams.PostCleanupWhenModifiedOnly); }
@ -464,6 +472,8 @@ namespace Fsp
UInt32 FileAttributes,
IntPtr SecurityDescriptor,
UInt64 AllocationSize,
IntPtr Ea,
UInt32 EaLength,
ref FullContext FullContext,
ref OpenFileInfo OpenFileInfo)
{
@ -473,13 +483,15 @@ namespace Fsp
Object FileNode, FileDesc;
String NormalizedName;
Int32 Result;
Result = FileSystem.Create(
Result = FileSystem.CreateEx(
FileName,
CreateOptions,
GrantedAccess,
FileAttributes,
Api.MakeSecurityDescriptor(SecurityDescriptor),
AllocationSize,
Ea,
EaLength,
out FileNode,
out FileDesc,
out OpenFileInfo.FileInfo,
@ -538,6 +550,8 @@ namespace Fsp
UInt32 FileAttributes,
Boolean ReplaceFileAttributes,
UInt64 AllocationSize,
IntPtr Ea,
UInt32 EaLength,
out FileInfo FileInfo)
{
FileSystemBase FileSystem = (FileSystemBase)Api.GetUserContext(FileSystemPtr);
@ -545,12 +559,14 @@ namespace Fsp
{
Object FileNode, FileDesc;
Api.GetFullContext(ref FullContext, out FileNode, out FileDesc);
return FileSystem.Overwrite(
return FileSystem.OverwriteEx(
FileNode,
FileDesc,
FileAttributes,
ReplaceFileAttributes,
AllocationSize,
Ea,
EaLength,
out FileInfo);
}
catch (Exception ex)
@ -1077,15 +1093,62 @@ namespace Fsp
return ExceptionHandler(FileSystem, ex);
}
}
private static Int32 GetEa(
IntPtr FileSystemPtr,
ref FullContext FullContext,
IntPtr Ea,
UInt32 EaLength,
out UInt32 PBytesTransferred)
{
FileSystemBase FileSystem = (FileSystemBase)Api.GetUserContext(FileSystemPtr);
try
{
Object FileNode, FileDesc;
Api.GetFullContext(ref FullContext, out FileNode, out FileDesc);
return FileSystem.GetEa(
FileNode,
FileDesc,
Ea,
EaLength,
out PBytesTransferred);
}
catch (Exception ex)
{
PBytesTransferred = default(UInt32);
return ExceptionHandler(FileSystem, ex);
}
}
private static Int32 SetEa(
IntPtr FileSystemPtr,
ref FullContext FullContext,
IntPtr Ea,
UInt32 EaLength)
{
FileSystemBase FileSystem = (FileSystemBase)Api.GetUserContext(FileSystemPtr);
try
{
Object FileNode, FileDesc;
Api.GetFullContext(ref FullContext, out FileNode, out FileDesc);
return FileSystem.SetEa(
FileNode,
FileDesc,
Ea,
EaLength);
}
catch (Exception ex)
{
return ExceptionHandler(FileSystem, ex);
}
}
static FileSystemHost()
{
_FileSystemInterface.GetVolumeInfo = GetVolumeInfo;
_FileSystemInterface.SetVolumeLabel = SetVolumeLabel;
_FileSystemInterface.GetSecurityByName = GetSecurityByName;
_FileSystemInterface.Create = Create;
_FileSystemInterface.CreateEx = Create;
_FileSystemInterface.Open = Open;
_FileSystemInterface.Overwrite = Overwrite;
_FileSystemInterface.OverwriteEx = Overwrite;
_FileSystemInterface.Cleanup = Cleanup;
_FileSystemInterface.Close = Close;
_FileSystemInterface.Read = Read;
@ -1106,6 +1169,8 @@ namespace Fsp
_FileSystemInterface.GetDirInfoByName = GetDirInfoByName;
_FileSystemInterface.Control = Control;
_FileSystemInterface.SetDelete = SetDelete;
_FileSystemInterface.GetEa = GetEa;
_FileSystemInterface.SetEa = SetEa;
_FileSystemInterfacePtr = Marshal.AllocHGlobal(FileSystemInterface.Size);
Marshal.StructureToPtr(_FileSystemInterface, _FileSystemInterfacePtr, false);