public int GetFileInformation(string filename, FileInformation fileinfo, DokanFileInfo info)
{
lock (_syncObj)
{
FileHandle handle = (FileHandle)info.Context;
if (handle == null)
{
return(-DokanNet.ERROR_FILE_NOT_FOUND);
}
VirtualFileSystemResource resource = handle.Resource;
VirtualFile file = resource as VirtualFile;
IFileSystemResourceAccessor resourceAccessor = resource.ResourceAccessor;
VirtualBaseDirectory directory = resource as VirtualBaseDirectory;
fileinfo.FileName = filename;
fileinfo.CreationTime = resource.CreationTime;
fileinfo.LastAccessTime = CorrectTimeValue(resourceAccessor == null ? resource.CreationTime : resourceAccessor.LastChanged);
fileinfo.LastWriteTime = CorrectTimeValue(resource.CreationTime);
if (file != null)
{
fileinfo.Attributes = FILE_ATTRIBUTES;
fileinfo.Length = resourceAccessor == null ? 0 : resourceAccessor.Size;
return(DokanNet.DOKAN_SUCCESS);
}
if (directory != null)
{
fileinfo.Attributes = DIRECTORY_ATTRIBUTES;
fileinfo.Length = 0;
return(DokanNet.DOKAN_SUCCESS);
}
return(-DokanNet.ERROR_FILE_NOT_FOUND);
}
}
public int FindFiles(string filename, ArrayList files, DokanFileInfo info)
{
lock (_syncObj)
{
FileHandle handle = (FileHandle)info.Context;
VirtualBaseDirectory directory = handle == null ? null : handle.Resource as VirtualBaseDirectory;
if (directory == null)
{
return(-DokanNet.ERROR_PATH_NOT_FOUND);
}
foreach (KeyValuePair <string, VirtualFileSystemResource> entry in directory.ChildResources)
{
VirtualFileSystemResource resource = entry.Value;
IFileSystemResourceAccessor resourceAccessor = resource.ResourceAccessor;
bool isFile = resource is VirtualFile;
FileInformation fi = new FileInformation
{
Attributes = isFile ? FILE_ATTRIBUTES : DIRECTORY_ATTRIBUTES,
CreationTime = resource.CreationTime,
LastAccessTime = CorrectTimeValue(resourceAccessor == null ? resource.CreationTime : resourceAccessor.LastChanged),
LastWriteTime = CorrectTimeValue(directory.CreationTime),
Length = resourceAccessor == null || !isFile ? 0 : resourceAccessor.Size,
FileName = entry.Key
};
files.Add(fi);
}
return(DokanNet.DOKAN_SUCCESS);
}
}
public NtStatus FindFiles(string filename, out IList <FileInformation> files, DokanFileInfo info)
{
files = new List <FileInformation>();
lock (_syncObj)
{
FileHandle handle = info.Context as FileHandle;
VirtualBaseDirectory directory = handle == null ? null : handle.Resource as VirtualBaseDirectory;
if (directory == null)
{
files = null;
return(DokanResult.FileNotFound);
}
foreach (KeyValuePair <string, VirtualFileSystemResource> entry in directory.ChildResources)
{
VirtualFileSystemResource resource = entry.Value;
IFileSystemResourceAccessor resourceAccessor = resource.ResourceAccessor;
bool isFile = resource is VirtualFile;
FileInformation fi = new FileInformation
{
Attributes = isFile ? FILE_ATTRIBUTES : DIRECTORY_ATTRIBUTES,
CreationTime = resource.CreationTime,
LastAccessTime = CorrectTimeValue(resourceAccessor == null ? resource.CreationTime : resourceAccessor.LastChanged),
LastWriteTime = CorrectTimeValue(directory.CreationTime),
Length = resourceAccessor == null || !isFile ? 0 : resourceAccessor.Size,
FileName = entry.Key
};
files.Add(fi);
}
return(DokanResult.Success);
}
}
public NtStatus GetFileInformation(string filename, out FileInformation fileinfo, DokanFileInfo info)
{
lock (_syncObj)
{
fileinfo = new FileInformation();
FileHandle handle = info.Context as FileHandle;
if (handle == null)
{
return(DokanResult.FileNotFound);
}
VirtualFileSystemResource resource = handle.Resource;
VirtualFile file = resource as VirtualFile;
IFileSystemResourceAccessor resourceAccessor = resource.ResourceAccessor;
VirtualBaseDirectory directory = resource as VirtualBaseDirectory;
fileinfo.FileName = filename;
fileinfo.CreationTime = resource.CreationTime;
fileinfo.LastAccessTime = CorrectTimeValue(resourceAccessor == null ? resource.CreationTime : resourceAccessor.LastChanged);
fileinfo.LastWriteTime = CorrectTimeValue(resource.CreationTime);
if (file != null)
{
fileinfo.Attributes = FILE_ATTRIBUTES;
fileinfo.Length = resourceAccessor == null ? 0 : resourceAccessor.Size;
return(DokanResult.Success);
}
if (directory != null)
{
fileinfo.Attributes = DIRECTORY_ATTRIBUTES;
fileinfo.Length = 0;
return(DokanResult.Success);
}
return(DokanResult.FileNotFound);
}
}
public int OpenDirectory(string filename, DokanFileInfo info)
{
lock (_syncObj)
{
VirtualFileSystemResource resource = ParseFileName(filename);
if (resource == null || !(resource is VirtualBaseDirectory))
{
return(-DokanNet.ERROR_PATH_NOT_FOUND);
}
FileHandle handle = new FileHandle(resource);
info.Context = handle;
resource.AddFileHandle(handle);
return(DokanNet.DOKAN_SUCCESS);
}
}
public int CreateFile(string filename, FileAccess access, FileShare share, FileMode mode, FileOptions options, DokanFileInfo info)
{
lock (_syncObj)
{
VirtualFileSystemResource resource = ParseFileName(filename);
if (resource == null)
{
return(-DokanNet.ERROR_FILE_NOT_FOUND);
}
FileHandle handle = new FileHandle(resource);
info.Context = handle;
resource.AddFileHandle(handle);
if (resource is VirtualBaseDirectory)
{
info.IsDirectory = true; // Necessary for the Dokan driver to set this, see docs
}
return(DokanNet.DOKAN_SUCCESS);
}
}
public NtStatus CreateFile(string filename, FileAccess access, FileShare share, FileMode mode, FileOptions options, FileAttributes attributes, DokanFileInfo info)
{
lock (_syncObj)
{
VirtualFileSystemResource resource = ParseFileName(filename);
if (resource == null)
{
return(DokanResult.Error);
}
FileHandle handle = new FileHandle(resource);
info.Context = handle;
resource.AddFileHandle(handle);
if (resource is VirtualBaseDirectory)
{
info.IsDirectory = true;
}
return(DokanResult.Success);
}
}
protected VirtualFileSystemResource ParseFileName(string fileName)
{
if (fileName == "\\")
{
return(_root);
}
if (!fileName.StartsWith("\\"))
{
return(null);
}
string[] pathSegments = fileName.Split(new char[] { '\\' }, StringSplitOptions.RemoveEmptyEntries);
VirtualFileSystemResource resource = _root;
lock (_syncObj)
foreach (string pathSegment in pathSegments)
{
VirtualBaseDirectory directory = resource as VirtualBaseDirectory;
if (directory == null || !directory.ChildResources.TryGetValue(pathSegment, out resource))
{
return(null);
}
}
return(resource);
}
public FileHandle(VirtualFileSystemResource resource)
{
_resource = resource;
}
public FileHandle(VirtualFileSystemResource resource)
{
_resource = resource;
}
public void AddResource(string name, VirtualFileSystemResource resource)
{
_children.Add(name, resource);
}
public void AddResource(string name, VirtualFileSystemResource resource)
{
_children.Add(name, resource);
}
