windows-nt/Source/XPSP1/NT/base/fs/utils/untfs/inc/logfile.hxx

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2020-09-26 03:20:57 -05:00
/*++
Copyright (c) 1992-2001 Microsoft Corporation
Module Name:
logfile.hxx
Abstract:
This module contains the declarations for the NTFS_LOG_FILE
class, which models the log file for an NTFS volume.
The utilities do not pretend to understand the contents of the
log file. They only create it and set its signature.
Author:
Bill McJohn (billmc) 05-May-1992
Environment:
ULIB, User Mode
--*/
#if !defined( NTFS_LOG_FILE_DEFN )
#define NTFS_LOG_FILE_DEFN
#include "frs.hxx"
#include "drive.hxx"
typedef enum LOG_FILE_SIGNATURE_CODE {
LogFileSignatureCreated,
LogFileSignatureChecked
};
// Note that LogFileFillCharacter matches LOG_FILE_SIGNATURE_CREATED;
// this relationship must be maintained.
#define LogFileFillCharacter (CHAR)0xFF
CONST ULONG LogFileSignatureLength = 4;
#define LOG_FILE_SIGNATURE_CREATED "\xFF\xFF\xFF\xFF"
#define LOG_FILE_SIGNATURE_CHECKED "CHKD"
class NTFS_LOG_FILE : public NTFS_FILE_RECORD_SEGMENT {
public:
UNTFS_EXPORT
DECLARE_CONSTRUCTOR( NTFS_LOG_FILE );
VIRTUAL
UNTFS_EXPORT
~NTFS_LOG_FILE(
);
NONVIRTUAL
UNTFS_EXPORT
BOOLEAN
Initialize(
IN OUT PNTFS_MASTER_FILE_TABLE Mft
);
NONVIRTUAL
BOOLEAN
Create(
IN PCSTANDARD_INFORMATION StandardInformation,
IN LCN NearLcn,
IN ULONG InitialSize OPTIONAL,
IN OUT PNTFS_BITMAP VolumeBitmap
);
NONVIRTUAL
UNTFS_EXPORT
BOOLEAN
CreateDataAttribute(
IN LCN NearLcn,
IN ULONG InitialSize OPTIONAL,
IN OUT PNTFS_BITMAP VolumeBitmap
);
NONVIRTUAL
BOOLEAN
MarkVolumeChecked(
);
NONVIRTUAL
BOOLEAN
MarkVolumeChecked(
BOOLEAN WriteSecondPage,
LSN GreatestLsn
);
NONVIRTUAL
BOOLEAN
Reset(
IN OUT PMESSAGE Message
);
NONVIRTUAL
BOOLEAN
Resize(
IN BIG_INT NewSize,
IN OUT PNTFS_BITMAP VolumeBitmap,
IN BOOLEAN GetWhatYouCan,
OUT PBOOLEAN Changed,
OUT PBOOLEAN LogFileGrew,
IN OUT PMESSAGE Message
);
NONVIRTUAL
BOOLEAN
VerifyAndFix(
IN OUT PNTFS_BITMAP VolumeBitmap,
IN OUT PNTFS_INDEX_TREE RootIndex,
OUT PBOOLEAN Changes,
IN OUT PNTFS_CHKDSK_REPORT ChkdskReport,
IN FIX_LEVEL FixLevel,
IN BOOLEAN Resize,
IN ULONG LogFileSize,
IN OUT PNUMBER_SET BadClusters,
IN OUT PMESSAGE Message
);
NONVIRTUAL
BOOLEAN
EnsureCleanShutdown(
OUT PLSN Lsn
);
STATIC
ULONG
QueryDefaultSize(
IN PCDP_DRIVE Drive,
IN BIG_INT VolumeSectors
);
STATIC
ULONG
QueryMinimumSize(
IN PCDP_DRIVE Drive,
IN BIG_INT VolumeSectors
);
STATIC
ULONG
QueryMaximumSize(
IN PCDP_DRIVE Drive,
IN BIG_INT VolumeSectors
);
private:
NONVIRTUAL
VOID
Construct(
);
};
#endif