mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
428 lines
12 KiB
428 lines
12 KiB
//+---------------------------------------------------------------------------
|
|
//
|
|
// Microsoft Windows
|
|
// Copyright (C) Microsoft Corporation, 1991 - 2000.
|
|
//
|
|
// File: VMap.hxx
|
|
//
|
|
// Contents: Virtual <--> physical path map.
|
|
//
|
|
// Classes: CVMap
|
|
//
|
|
// History: 05-Feb-96 KyleP Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
#pragma once
|
|
|
|
#include <catalog.hxx>
|
|
#include <prcstob.hxx>
|
|
#include <smatch.hxx>
|
|
#include <cimbmgr.hxx>
|
|
|
|
const unsigned INVALID_VMAP_INDEX = 0xFFFFFFFF;
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Class: CVMapDesc
|
|
//
|
|
// Purpose: Description of single scope mapping
|
|
//
|
|
// History: 05-Feb-96 KyleP Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
class CVMapDesc
|
|
{
|
|
public:
|
|
|
|
inline CVMapDesc();
|
|
|
|
void Init( WCHAR const * pVRoot,
|
|
ULONG ccVRoot,
|
|
WCHAR const * pPRoot,
|
|
ULONG ccPRoot,
|
|
ULONG idParent,
|
|
BOOL fAutomatic,
|
|
CiVRootTypeEnum eType,
|
|
BOOL fIsIndexed,
|
|
BOOL fNonIndexedVDir );
|
|
|
|
inline unsigned PhysicalMatchLen( WCHAR const * path ) const;
|
|
inline BOOL IsInPhysicalScope( WCHAR const * root, unsigned cc ) const;
|
|
|
|
BOOL IsVirtualMatch( WCHAR const * pVPath, unsigned ccVPath ) const;
|
|
BOOL IsPhysicalMatch( WCHAR const * pVPath, unsigned ccVPath ) const;
|
|
|
|
inline ULONG Parent() const { return _idParent; }
|
|
inline void SetParent( ULONG idParent ) { _idParent = idParent; }
|
|
|
|
inline BOOL IsFree() { return (0 == _ccVScope); }
|
|
inline void Delete() { _ccVScope = 0; }
|
|
|
|
inline WCHAR const * PhysicalPath() const { return _wcPScope; }
|
|
inline ULONG PhysicalLength() const { return _ccPScope; }
|
|
|
|
inline WCHAR const * VirtualPath() const { return _wcVScope; }
|
|
inline ULONG VirtualLength() const { return _ccVScope; }
|
|
|
|
inline void SetAutomatic() { _Type |= PCatalog::AutomaticRoot; }
|
|
inline void ClearAutomatic() { _Type &= ~PCatalog::AutomaticRoot; }
|
|
inline BOOL IsAutomatic() const { return (_Type & PCatalog::AutomaticRoot); }
|
|
|
|
inline void SetManual() { _Type |= PCatalog::ManualRoot; }
|
|
inline void ClearManual() { _Type &= ~PCatalog::ManualRoot; }
|
|
inline BOOL IsManual() const { return (_Type & PCatalog::ManualRoot); }
|
|
|
|
inline void ClearInUse() { _Type &= ~PCatalog::UsedRoot; }
|
|
inline BOOL IsInUse() const { return (_Type & PCatalog::UsedRoot); }
|
|
|
|
inline BOOL IsNNTP() const { return 0 != (_Type & PCatalog::NNTPRoot); }
|
|
inline BOOL IsIMAP() const { return 0 != (_Type & PCatalog::IMAPRoot); }
|
|
inline BOOL IsW3() const { return !IsNNTP() && !IsIMAP(); }
|
|
|
|
inline BOOL IsNonIndexedVDir() const { return 0 != (_Type & PCatalog::NonIndexedVDir); }
|
|
inline void SetNonIndexedVDir() { _Type |= PCatalog::NonIndexedVDir; }
|
|
inline void ClearNonIndexedVDir() { _Type &= ~PCatalog::NonIndexedVDir; }
|
|
|
|
inline ULONG RootType() { return _Type; }
|
|
|
|
private:
|
|
|
|
ULONG _ccVScope;
|
|
WCHAR _wcVScope[MAX_PATH]; // Virtual scope
|
|
|
|
// IIS currently doesn't allow paths greater
|
|
// than MAX_PATH. This is not a good reason for we to also not
|
|
// support, but there are lot of complications right now, like
|
|
// in place serialization of variable data, so currently we have the
|
|
// MAX_PATH restriction of VPaths and for scopes.
|
|
|
|
ULONG _ccPScope;
|
|
WCHAR _wcPScope[MAX_PATH]; // Physical scope
|
|
|
|
ULONG _idParent; // Link to parent (INVALID_VMAP_INDEX --> top level)
|
|
|
|
ULONG _Type;
|
|
};
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Class: CVMap
|
|
//
|
|
// Purpose: Virtual/Physical path map
|
|
//
|
|
// History: 05-Feb-96 KyleP Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
class CVMap
|
|
{
|
|
public:
|
|
|
|
CVMap();
|
|
|
|
BOOL Init( PRcovStorageObj * obj );
|
|
void Empty();
|
|
|
|
BOOL Add( WCHAR const * vroot,
|
|
WCHAR const * root,
|
|
BOOL fAutomatic,
|
|
ULONG & idNew,
|
|
CiVRootTypeEnum eType,
|
|
BOOL fVRoot,
|
|
BOOL fIsIndexed );
|
|
|
|
BOOL Remove( WCHAR const * vroot,
|
|
BOOL fOnlyIfAutomatic,
|
|
ULONG & idOld,
|
|
ULONG & idNew,
|
|
CiVRootTypeEnum eType,
|
|
BOOL fVRoot );
|
|
|
|
void MarkClean();
|
|
BOOL IsClean() const { return !_fDirty; }
|
|
|
|
inline BOOL IsInPhysicalScope( ULONG id, WCHAR const * root, unsigned cc );
|
|
|
|
ULONG PhysicalPathToId( WCHAR const * path );
|
|
|
|
BOOL VirtualToPhysicalRoot( WCHAR const * pwcVRoot,
|
|
unsigned ccVRoot,
|
|
CLowerFunnyPath & lcaseFunnyPRoot,
|
|
unsigned & ccPRoot );
|
|
|
|
BOOL VirtualToPhysicalRoot( WCHAR const * pwcVPath,
|
|
unsigned ccVPath,
|
|
XGrowable<WCHAR> & xwcsVRoot,
|
|
unsigned & ccVRoot,
|
|
CLowerFunnyPath & lcaseFunnyPRoot,
|
|
unsigned & ccPRoot,
|
|
unsigned & iBmk );
|
|
|
|
BOOL VirtualToAllPhysicalRoots( WCHAR const * pwcVPath,
|
|
unsigned ccVPath,
|
|
XGrowable<WCHAR> & xwcsVRoot,
|
|
unsigned & ccVRoot,
|
|
CLowerFunnyPath & lcaseFunnyPRoot,
|
|
unsigned & ccPRoot,
|
|
ULONG & ulType,
|
|
unsigned & iBmk );
|
|
|
|
ULONG EnumerateRoot( XGrowable<WCHAR> & xwcVRoot,
|
|
unsigned & ccVRoot,
|
|
CLowerFunnyPath & lcaseFunnyPRoot,
|
|
unsigned & ccPRoot,
|
|
unsigned & iBmk );
|
|
|
|
BOOL DoesPhysicalRootExist( WCHAR const * pwcPRoot );
|
|
|
|
inline CVMapDesc const & GetDesc( ULONG id ) const;
|
|
|
|
//
|
|
// Path chaining.
|
|
//
|
|
|
|
inline ULONG Parent( ULONG id ) const;
|
|
|
|
inline ULONG FindNthRemoved( ULONG id, unsigned cSkip ) const;
|
|
|
|
BOOL IsNonIndexedVDir( ULONG id ) const
|
|
{
|
|
if ( INVALID_VMAP_INDEX == id )
|
|
return FALSE;
|
|
|
|
return _aMap[id].IsNonIndexedVDir();
|
|
}
|
|
|
|
ULONG GetExcludeParent( ULONG id ) const
|
|
{
|
|
Win4Assert( id < _aExcludeParent.Count() );
|
|
return _aExcludeParent[ id ];
|
|
}
|
|
|
|
BOOL IsAnExcludeParent( ULONG id ) const
|
|
{
|
|
if ( INVALID_VMAP_INDEX == id )
|
|
return FALSE;
|
|
|
|
for ( unsigned x = 0; x < _aExcludeParent.Count(); x++ )
|
|
if ( _aExcludeParent[x] == id )
|
|
return TRUE;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
private:
|
|
|
|
ULONG PhysicalPathToId( WCHAR const * path, BOOL fNonIndexedVDirs );
|
|
|
|
void DumpVMap();
|
|
void RecomputeNonIndexedInfo();
|
|
|
|
BOOL _fDirty; // TRUE if vmap went down dirty
|
|
|
|
CMutexSem _mutex;
|
|
|
|
CDynArrayInPlace<CVMapDesc> _aMap;
|
|
|
|
CDynArrayInPlace<ULONG> _aExcludeParent;
|
|
|
|
XPtr<PRcovStorageObj> _xrsoMap;
|
|
};
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: CVMapDesc::PhysicalMatchLen, private
|
|
//
|
|
// Synopsis: Compares input with physical path
|
|
//
|
|
// Arguments: [pPPath] -- Physical path.
|
|
//
|
|
// Returns: 0 if [pPPath] does not match physical path complete to
|
|
// the end of the short of the two. On success returns
|
|
// length of physical path.
|
|
//
|
|
// History: 07-Feb-96 KyleP Created.
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
inline unsigned CVMapDesc::PhysicalMatchLen( WCHAR const * pPPath ) const
|
|
{
|
|
Win4Assert( *pPPath );
|
|
|
|
//
|
|
// Compare strings.
|
|
//
|
|
|
|
unsigned i = 0;
|
|
|
|
while ( *pPPath && i < _ccPScope && *pPPath == _wcPScope[i] )
|
|
{
|
|
i++;
|
|
pPPath++;
|
|
}
|
|
|
|
//
|
|
// Adjust for possible lack of terminating backslash.
|
|
//
|
|
|
|
if ( 0 == *pPPath )
|
|
{
|
|
if ( *(pPPath - 1) == L'\\' )
|
|
return _ccPScope;
|
|
else
|
|
{
|
|
if ( _wcPScope[i] == L'\\' )
|
|
return _ccPScope;
|
|
else
|
|
return 0;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ( i >= _ccPScope )
|
|
return _ccPScope;
|
|
else
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: CVMapDesc::CVMapDesc, private
|
|
//
|
|
// Synopsis: Constructor
|
|
//
|
|
// History: 07-Feb-96 KyleP Created.
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
inline CVMapDesc::CVMapDesc()
|
|
: _ccVScope( 0 ),
|
|
_ccPScope( 0 )
|
|
{
|
|
}
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: CVMapDesc::IsInPhysicalScope, public
|
|
//
|
|
// Synopsis: Compares input with physical path
|
|
//
|
|
// Arguments: [root] -- Physical path.
|
|
// [cc] -- Size, in chars, of [root]
|
|
//
|
|
// Returns: TRUE if [root] is within physical scope.
|
|
//
|
|
// History: 07-Feb-96 KyleP Created.
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
inline BOOL CVMapDesc::IsInPhysicalScope( WCHAR const * root, unsigned cc ) const
|
|
{
|
|
Win4Assert( root[cc-1] != L'\\' );
|
|
|
|
CScopeMatch Match( _wcPScope, _ccPScope );
|
|
|
|
//
|
|
// Be careful not to match root of scope.
|
|
//
|
|
|
|
return Match.IsInScope( root, cc ) && (_ccPScope != cc + 1);
|
|
}
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: CVMap::IsInPhysicalScope, public
|
|
//
|
|
// Synopsis: Compares input with physical path
|
|
//
|
|
// Arguments: [id] -- Id of virtual/physical scope
|
|
// [root] -- Physical path.
|
|
// [cc] -- Size, in chars, of [root]
|
|
//
|
|
// Returns: TRUE if [root] is within physical scope.
|
|
//
|
|
// History: 07-Feb-96 KyleP Created.
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
inline BOOL CVMap::IsInPhysicalScope( ULONG id, WCHAR const * root, unsigned cc )
|
|
{
|
|
CLock lock(_mutex);
|
|
|
|
Win4Assert( id < _aMap.Count() );
|
|
|
|
return _aMap[id].IsInPhysicalScope( root, cc );
|
|
}
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: CVMap::Parent, public
|
|
//
|
|
// Arguments: [id] -- Id of virtual/physical scope
|
|
//
|
|
// Returns: Virtual/physical id of parent.
|
|
//
|
|
// History: 07-Feb-96 KyleP Created.
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
inline ULONG CVMap::Parent( ULONG id ) const
|
|
{
|
|
Win4Assert( id < _aMap.Count() );
|
|
|
|
return _aMap[id].Parent();
|
|
}
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: CVMap::FindNthRemoved, public
|
|
//
|
|
// Synopsis: Walks up virtual root chain to the Nth link.
|
|
//
|
|
// Arguments: [id] -- Id of starting virtual/physical scope
|
|
// [cSkip] -- Number of links to skip
|
|
//
|
|
// Returns: Virtual/physical id of Nth parent.
|
|
//
|
|
// History: 07-Feb-96 KyleP Created.
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
inline ULONG CVMap::FindNthRemoved( ULONG id, unsigned cSkip ) const
|
|
{
|
|
Win4Assert( id == INVALID_VMAP_INDEX || id < _aMap.Count() );
|
|
|
|
while ( id != INVALID_VMAP_INDEX && !_aMap[id].IsFree() && cSkip > 0 )
|
|
{
|
|
id = _aMap[id].Parent();
|
|
|
|
cSkip--;
|
|
}
|
|
|
|
if ( INVALID_VMAP_INDEX != id && _aMap[id].IsFree() )
|
|
id = INVALID_VMAP_INDEX;
|
|
|
|
return id;
|
|
}
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: CVMap::GetDesc, public
|
|
//
|
|
// Arguments: [id] -- Id of virtual/physical scope
|
|
//
|
|
// Returns: Scope descriptor for [id]
|
|
//
|
|
// History: 07-Feb-96 KyleP Created.
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
inline CVMapDesc const & CVMap::GetDesc( ULONG id ) const
|
|
{
|
|
Win4Assert( id < _aMap.Count() );
|
|
|
|
return _aMap[id];
|
|
}
|