public override Int32 Overwrite(
Object fileNode,
Object fileDesc0,
UInt32 fileAttributes,
Boolean replaceFileAttributes,
UInt64 allocationSize,
out FileInfo fileInfo)
{
FileDescriptor fileDesc = (FileDescriptor)fileDesc0;
MakeWriteable(fileDesc);
if (replaceFileAttributes)
{
fileDesc.SetFileAttributes(fileAttributes | (UInt32)System.IO.FileAttributes.Archive);
}
else if (0 != fileAttributes)
{
fileDesc.SetFileAttributes(fileDesc.GetFileAttributes() | fileAttributes | (UInt32)System.IO.FileAttributes.Archive);
}
fileDesc.WriteStream.SetLength(0);
return(fileDesc.GetFileInfo(out fileInfo));
}
public override Int32 Create(
String fileName,
UInt32 createOptions,
UInt32 grantedAccess,
UInt32 fileAttributes,
Byte[] securityDescriptor,
UInt64 allocationSize,
out Object fileNode,
out Object fileDesc0,
out FileInfo fileInfo,
out String normalizedName)
{
fileNode = default(Object);
normalizedName = default(String);
FileDescriptor fileDesc = null;
try
{
var path = GetWritePath(fileName);
// directory or file?
if (0 == (createOptions & FILE_DIRECTORY_FILE))
{
// file
FileSecurity Security = null;
if (null != securityDescriptor)
{
Security = new FileSecurity();
Security.SetSecurityDescriptorBinaryForm(securityDescriptor);
}
fileDesc = new FileDescriptor(fileName,
new FileStream(
path,
FileMode.CreateNew,
(FileSystemRights)grantedAccess | FileSystemRights.WriteAttributes,
FileShare.Read | FileShare.Write | FileShare.Delete,
4096,
0,
Security), true);
fileDesc.SetFileAttributes(fileAttributes | (UInt32)System.IO.FileAttributes.Archive);
}
else
{
// directory
if (Directory.Exists(path))
{
Utils.ThrowIoExceptionWithNtStatus(STATUS_OBJECT_NAME_COLLISION);
}
DirectorySecurity Security = null;
if (null != securityDescriptor)
{
Security = new DirectorySecurity();
Security.SetSecurityDescriptorBinaryForm(securityDescriptor);
}
fileDesc = new FileDescriptor(fileName, Directory.CreateDirectory(path, Security), true);
fileDesc.SetFileAttributes(fileAttributes);
}
// assign the file descriptor
fileDesc0 = fileDesc;
return(fileDesc.GetFileInfo(out fileInfo));
}
catch
{
if (null != fileDesc)
{
fileDesc.Dispose();
}
throw;
}
}
