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dotnet: FileSystemBase.GetStreamEntry

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This commit is contained in:
Bill Zissimopoulos 2017-05-06 14:48:56 -07:00
parent 0f9ef3bd51
commit 23eac24c84
2 changed files with 58 additions and 5 deletions
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27
src/dotnet/FileSystemBase.cs
View File

@ -326,8 +326,33 @@ namespace Fsp
UInt32 Length,
out UInt32 BytesTransferred)
{
Object Context = null;
String StreamName;
UInt64 StreamSize, StreamAllocationSize;
StreamInfo StreamInfo = default(StreamInfo);
BytesTransferred = default(UInt32);
return STATUS_INVALID_DEVICE_REQUEST;
while (GetStreamEntry(FileNode, FileDesc,
ref Context, out StreamName, out StreamSize, out StreamAllocationSize))
{
StreamInfo.SetStreamNameBuf(StreamName);
if (!Api.FspFileSystemAddStreamInfo(ref StreamInfo, Buffer, Length,
out BytesTransferred))
break;
}
return STATUS_SUCCESS;
}
public virtual Boolean GetStreamEntry(
Object FileNode,
Object FileDesc,
ref Object Context,
out String StreamName,
out UInt64 StreamSize,
out UInt64 StreamAllocationSize)
{
StreamName = default(String);
StreamSize = default(UInt64);
StreamAllocationSize = default(UInt64);
return false;
}
/* helpers */

36
src/dotnet/Interop.cs
View File

@ -164,7 +164,8 @@ namespace Fsp.Interop
internal struct DirInfo
{
internal const int FileNameBufSize = 255;
internal static int FileNameBufOffset = (int)Marshal.OffsetOf(typeof(DirInfo), "FileNameBuf");
internal static int FileNameBufOffset =
(int)Marshal.OffsetOf(typeof(DirInfo), "FileNameBuf");
internal UInt16 Size;
internal FileInfo FileInfo;
@ -172,7 +173,7 @@ namespace Fsp.Interop
//internal unsafe fixed UInt16 FileNameBuf[];
internal unsafe fixed UInt16 FileNameBuf[FileNameBufSize];
public unsafe void SetFileNameBuf(String Value)
internal unsafe void SetFileNameBuf(String Value)
{
fixed (UInt16 *P = FileNameBuf)
{
@ -189,10 +190,28 @@ namespace Fsp.Interop
[StructLayout(LayoutKind.Sequential)]
internal struct StreamInfo
{
internal const int StreamNameBufSize = 255;
internal static int StreamNameBufOffset =
(int)Marshal.OffsetOf(typeof(StreamInfo), "StreamNameBuf");
internal UInt16 Size;
internal UInt64 StreamSize;
internal UInt64 StreamAllocationSize;
//internal unsafe fixed UInt16 StreamNameBuf[];
internal unsafe fixed UInt16 StreamNameBuf[StreamNameBufSize];
internal unsafe void SetStreamNameBuf(String Value)
{
fixed (UInt16 *P = StreamNameBuf)
{
int Size = null != Value ? Value.Length : 0;
if (Size > StreamNameBufSize)
Size = StreamNameBufSize;
for (int I = 0; Size > I; I++)
P[I] = Value[I];
this.Size = (UInt16)(StreamNameBufOffset + Size * 2);
}
}
}
[StructLayout(LayoutKind.Sequential)]
@ -621,7 +640,7 @@ namespace Fsp.Interop
internal static Proto.FspFileSystemFindReparsePoint FspFileSystemFindReparsePoint;
internal static Proto.FspFileSystemResolveReparsePoints FspFileSystemResolveReparsePoints;
internal static Proto.FspFileSystemCanReplaceReparsePoint _FspFileSystemCanReplaceReparsePoint;
internal static Proto.FspFileSystemAddStreamInfo FspFileSystemAddStreamInfo;
internal static Proto.FspFileSystemAddStreamInfo _FspFileSystemAddStreamInfo;
internal static Proto.FspFileSystemAcquireDirectoryBuffer FspFileSystemAcquireDirectoryBuffer;
internal static Proto.FspFileSystemFillDirectoryBuffer FspFileSystemFillDirectoryBuffer;
internal static Proto.FspFileSystemReleaseDirectoryBuffer FspFileSystemReleaseDirectoryBuffer;
@ -663,6 +682,15 @@ namespace Fsp.Interop
fixed (DirInfo *P = &DirInfo)
return _FspFileSystemAddDirInfo((IntPtr)P, Buffer, Length, out PBytesTransferred);
}
internal static unsafe Boolean FspFileSystemAddStreamInfo(
ref StreamInfo StreamInfo,
IntPtr Buffer,
UInt32 Length,
out UInt32 PBytesTransferred)
{
fixed (StreamInfo *P = &StreamInfo)
return _FspFileSystemAddStreamInfo((IntPtr)P, Buffer, Length, out PBytesTransferred);
}
internal unsafe static Object GetUserContext(
IntPtr NativePtr)
@ -890,7 +918,7 @@ namespace Fsp.Interop
FspFileSystemFindReparsePoint = GetEntryPoint<Proto.FspFileSystemFindReparsePoint>(Module);
FspFileSystemResolveReparsePoints = GetEntryPoint<Proto.FspFileSystemResolveReparsePoints>(Module);
_FspFileSystemCanReplaceReparsePoint = GetEntryPoint<Proto.FspFileSystemCanReplaceReparsePoint>(Module);
FspFileSystemAddStreamInfo = GetEntryPoint<Proto.FspFileSystemAddStreamInfo>(Module);
_FspFileSystemAddStreamInfo = GetEntryPoint<Proto.FspFileSystemAddStreamInfo>(Module);
FspFileSystemAcquireDirectoryBuffer = GetEntryPoint<Proto.FspFileSystemAcquireDirectoryBuffer>(Module);
FspFileSystemFillDirectoryBuffer = GetEntryPoint<Proto.FspFileSystemFillDirectoryBuffer>(Module);
FspFileSystemReleaseDirectoryBuffer = GetEntryPoint<Proto.FspFileSystemReleaseDirectoryBuffer>(Module);