able/windows-nt
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity
windows-nt/Source/XPSP1/NT/net/mmc/wins/harray.cpp

2098 lines
56 KiB
C++
Raw Normal View History

Add source files
2020-09-26 03:20:57 -05:00
/**********************************************************************/
/** Microsoft Windows/NT **/
/** Copyright(c) Microsoft Corporation, 1997 - 1999 **/
/**********************************************************************/
/*
hArray.cpp
Index manager for wins db
FILE HISTORY:
Oct 13 1997 EricDav Created
*/
#include "stdafx.h"
#include "wins.h"
#include "memmngr.h"
#include "harray.h"
#include "mbstring.h"
#include "vrfysrv.h"
// the lstrcmpA fucntion converts the dbcs string to Unicode using the ACP
// and then does a string compare. So, we need to do the OEMCP conversion
// and then call the string compare ourselves.
int
lstrcmpOEM(
LPCSTR lpString1,
LPCSTR lpString2
)
{
CString str1, str2;
MBCSToWide((LPSTR) lpString1, str1, WINS_NAME_CODE_PAGE);
MBCSToWide((LPSTR) lpString2, str2, WINS_NAME_CODE_PAGE);
return lstrcmp(str1, str2);
}
/*!--------------------------------------------------------------------------
Class CHRowIndex
---------------------------------------------------------------------------*/
CHRowIndex::CHRowIndex(INDEX_TYPE IndexType)
: m_dbType(IndexType), m_bAscending(TRUE)
{
}
CHRowIndex::~CHRowIndex()
{
}
/*!--------------------------------------------------------------------------
CHRowIndex::GetType
-
Author: EricDav
---------------------------------------------------------------------------*/
HRESULT
CHRowIndex::GetType(INDEX_TYPE * pIndexType)
{
if (pIndexType)
*pIndexType = m_dbType;
return hrOK;
}
/*!--------------------------------------------------------------------------
CHRowIndex::SetArray
-
Author: EricDav
---------------------------------------------------------------------------*/
HRESULT
CHRowIndex::SetArray(HRowArray & hrowArray)
{
m_hrowArray.Copy(hrowArray);
return hrOK;
}
/*!--------------------------------------------------------------------------
CHRowIndex::GetHRow
-
Author: EricDav
---------------------------------------------------------------------------*/
HROW
CHRowIndex::GetHRow(int nIndex)
{
Assert(nIndex >= 0);
Assert(nIndex <= m_hrowArray.GetSize());
if (nIndex < 0 ||
nIndex >= m_hrowArray.GetSize())
{
return NULL;
}
return m_hrowArray.GetAt(nIndex);
}
/*!--------------------------------------------------------------------------
CHRowIndex::GetIndex
-
Author: EricDav
---------------------------------------------------------------------------*/
int
CHRowIndex::GetIndex(HROW hrow)
{
Assert(hrow != 0);
LPHROW phrow = (LPHROW) BSearch((const void *)&hrow,
(const void *)m_hrowArray.GetData(),
(size_t) m_hrowArray.GetSize(),
(size_t) sizeof(HROW));
int nIndex = (int) (phrow - (LPHROW) m_hrowArray.GetData());
Assert(nIndex >= 0);
Assert(nIndex <= m_hrowArray.GetSize());
int nComp, nIndexTemp;
nComp = BCompare(&hrow, phrow);
if (nComp == 0)
{
// found the right one, check the previous one to return the first
// record in a list of duplicates
nIndexTemp = nIndex;
while (nIndexTemp && nComp == 0)
{
*phrow = (HROW) m_hrowArray.GetAt(--nIndexTemp);
nComp = BCompare(&hrow, phrow);
}
if (nIndexTemp == nIndex)
return nIndex; // nIndex should be zero here as well
else
if (nComp == 0)
return nIndexTemp; // nIndexTemp should be 0 in this case
else
return nIndexTemp++;
}
return -1;
}
/*!--------------------------------------------------------------------------
CHRowIndex::Add
-
Author: EricDav
---------------------------------------------------------------------------*/
HRESULT
CHRowIndex::Add(HROW hrow, BOOL bEnd)
{
// if we are loading the array then just stick this on the end
if (bEnd)
{
m_hrowArray.Add(hrow);
}
else
{
if (m_hrowArray.GetSize() == 0)
{
m_hrowArray.Add(hrow);
}
else
{
LPHROW phrow = (LPHROW) BSearch((const void *)&hrow,
(const void *)m_hrowArray.GetData(),
(size_t) m_hrowArray.GetSize(),
(size_t) sizeof(HROW));
int nIndex = (int) (phrow - (LPHROW) m_hrowArray.GetData());
Assert(nIndex >= 0);
Assert(nIndex <= m_hrowArray.GetSize());
int nComp;
if (m_bAscending)
nComp = BCompare(&hrow, phrow);
else
nComp = BCompareD(&hrow, phrow);
if (nComp < 0)
{
// Insert before phrow
m_hrowArray.InsertAt(nIndex, hrow);
}
else
{
// insert after phrow
m_hrowArray.InsertAt(nIndex + 1, hrow);
}
}
}
return hrOK;
}
/*!--------------------------------------------------------------------------
CHRowIndex::Remove
-
Author: EricDav
---------------------------------------------------------------------------*/
HRESULT
CHRowIndex::Remove(HROW hrow)
{
// do a bsearch for the record and then remove
LPHROW phrow = (LPHROW) BSearch((const void*)&hrow,
(const void*)m_hrowArray.GetData(),
(size_t)m_hrowArray.GetSize(),
(size_t)sizeof(HROW));
// make sure the record is in the database, may not be if we aren't
// filtering
if (phrow)
{
int nComp = BCompare(&hrow, phrow);
Assert(nComp == 0);
if (nComp != 0)
return E_FAIL;
// calculate the index
int nIndex = (int) (phrow - (LPHROW) m_hrowArray.GetData());
Assert(nIndex >= 0);
Assert(nIndex <= m_hrowArray.GetSize());
m_hrowArray.RemoveAt((int) nIndex);
}
return hrOK;
}
/*!--------------------------------------------------------------------------
CHRowIndex::BSearch
Modified bsearch which returns the closest or equal element in
an array
Author: EricDav
---------------------------------------------------------------------------*/
void *
CHRowIndex::BSearch (const void *key,
const void *base,
size_t num,
size_t width)
{
char *lo = (char *)base;
char *hi = (char *)base + (num - 1) * width;
char *mid = NULL;
unsigned int half = 0;
int result = 0;
while (lo <= hi)
if (half = num / 2)
{
mid = lo + (num & 1 ? half : (half - 1)) * width;
if (m_bAscending)
{
if (!(result = BCompare(key,mid)))
return(mid);
else if (result < 0)
{
hi = mid - width;
num = num & 1 ? half : half-1;
}
else
{
lo = mid + width;
num = half;
}
}
else
{
if (!(result = BCompareD(key,mid)))
return(mid);
else if (result < 0)
{
hi = mid - width;
num = num & 1 ? half : half-1;
}
else
{
lo = mid + width;
num = half;
}
}
}
else if (num)
return(lo);
else
break;
return(mid);
}
/*!--------------------------------------------------------------------------
Class CIndexMgr
---------------------------------------------------------------------------*/
CIndexMgr::CIndexMgr()
{
m_posCurrentIndex = NULL;
m_posFilteredIndex = NULL;
m_posLastIndex = NULL;
m_posUpdatedIndex = NULL;
m_bFiltered = FALSE;
}
CIndexMgr::~CIndexMgr()
{
Reset();
}
/*!--------------------------------------------------------------------------
CIndexMgr::Initialize
-
Author: EricDav
---------------------------------------------------------------------------*/
HRESULT
CIndexMgr::Initialize()
{
HRESULT hr = hrOK;
CSingleLock cl(&m_cs);
cl.Lock();
COM_PROTECT_TRY
{
// cleanup
Reset();
// Create one index, the named index
CIndexName * pName = new CIndexName();
m_posCurrentIndex = m_listIndicies.AddTail((CHRowIndex *) pName);
m_posUpdatedIndex = m_posCurrentIndex;
// this will be the current index, we need the Named Index also
// for the total count
CFilteredIndexName *pFilteredName = new CFilteredIndexName() ;
m_posFilteredIndex = m_listFilteredIndices.AddTail((CHRowIndex *) pFilteredName);
}
COM_PROTECT_CATCH
return hr;
}
/*!--------------------------------------------------------------------------
CIndexMgr::Reset
-
Author: EricDav
---------------------------------------------------------------------------*/
HRESULT
CIndexMgr::Reset()
{
CSingleLock cl(&m_cs);
cl.Lock();
while (m_listIndicies.GetCount() > 0)
{
delete m_listIndicies.RemoveHead();
}
while(m_listFilteredIndices.GetCount() > 0 )
{
delete m_listFilteredIndices.RemoveHead();
}
return hrOK;
}
/*!--------------------------------------------------------------------------
CIndexMgr::GetTotalCount
The index sorted by name contains the total database and should
always be available. Use this for the total count.
Author: EricDav
---------------------------------------------------------------------------*/
UINT
CIndexMgr::GetTotalCount()
{
CSingleLock cl(&m_cs);
cl.Lock();
CHRowIndex * pIndex = GetNameIndex();
if (pIndex == NULL)
return 0;
return (UINT)pIndex->GetArray().GetSize();
}
/*!--------------------------------------------------------------------------
CIndexMgr::GetCurrentCount
The current count may differ depending upon if the current Index
is a filtered index.
Author: EricDav
---------------------------------------------------------------------------*/
UINT
CIndexMgr::GetCurrentCount()
{
CSingleLock cl(&m_cs);
cl.Lock();
CHRowIndex * pIndex ;
if (!m_bFiltered)
pIndex = m_listIndicies.GetAt(m_posUpdatedIndex);
else
pIndex = m_listFilteredIndices.GetAt(m_posUpdatedIndex);
if (pIndex == NULL)
return 0;
return (UINT)pIndex->GetArray().GetSize();
}
/*!--------------------------------------------------------------------------
CIndexMgr::AddHRow
-
Author: EricDav
---------------------------------------------------------------------------*/
HRESULT
CIndexMgr::AddHRow(HROW hrow, BOOL bEnd, BOOL bFilterChecked)
{
CSingleLock cl(&m_cs);
cl.Lock();
INDEX_TYPE indexType;
HRESULT hr = hrOK;
POSITION pos = m_listIndicies.GetHeadPosition();
COM_PROTECT_TRY
{
while (pos)
{
CHRowIndex * pIndex = m_listIndicies.GetNext(pos);
// check the INDEX type of the HRowIndex,
// if filtered, need to add, depending on
// whether the filter holds good
pIndex->GetType(&indexType);
if (indexType != INDEX_TYPE_FILTER)
pIndex->Add(hrow, bEnd);
}
pos = m_listFilteredIndices.GetHeadPosition();
while(pos)
{
CHRowIndex * pIndex = m_listFilteredIndices.GetNext(pos);
pIndex->GetType(&indexType);
if (indexType != INDEX_TYPE_FILTER)
break;
BOOL bCheck = bFilterChecked ?
TRUE :
((CFilteredIndexName*)pIndex)->CheckForFilter(&hrow);
if (bCheck)
pIndex->Add(hrow, bEnd);
}
}
COM_PROTECT_CATCH
return hr;
}
/*!--------------------------------------------------------------------------
CIndexMgr::AcceptHRow
-
Author: FlorinT
---------------------------------------------------------------------------*/
BOOL
CIndexMgr::AcceptWinsRecord(WinsRecord *pWinsRecord)
{
CSingleLock cl(&m_cs);
cl.Lock();
POSITION pos = m_listFilteredIndices.GetHeadPosition();
while(pos)
{
CHRowIndex *pIndex = m_listFilteredIndices.GetNext(pos);
INDEX_TYPE indexType;
pIndex->GetType(&indexType);
if (indexType != INDEX_TYPE_FILTER)
break;
if (((CFilteredIndexName*)pIndex)->CheckWinsRecordForFilter(pWinsRecord))
return TRUE;
}
return FALSE;
}
/*!--------------------------------------------------------------------------
CIndexMgr::RemoveHRow
-
Author: EricDav
---------------------------------------------------------------------------*/
HRESULT
CIndexMgr::RemoveHRow(HROW hrow)
{
CSingleLock cl(&m_cs);
cl.Lock();
HRESULT hr = hrOK;
POSITION pos = m_listIndicies.GetHeadPosition();
COM_PROTECT_TRY
{
// remove from the normal list
while (pos)
{
CHRowIndex * pIndex = m_listIndicies.GetNext(pos);
pIndex->Remove(hrow);
}
// now remove from the filtered list
pos = m_listFilteredIndices.GetHeadPosition();
while (pos)
{
CHRowIndex * pIndex = m_listFilteredIndices.GetNext(pos);
pIndex->Remove(hrow);
}
}
COM_PROTECT_CATCH
return hr;
}
/*!--------------------------------------------------------------------------
CIndexMgr::Sort
-
Author: EricDav
---------------------------------------------------------------------------*/
HRESULT
CIndexMgr::Sort(WINSDB_SORT_TYPE SortType, DWORD dwSortOptions)
{
CSingleLock cl(&m_cs);
cl.Lock();
HRESULT hr = hrOK;
CHRowIndex * pNameIndex;
CHRowIndex * pNewIndex;
POSITION pos;
INDEX_TYPE indexType;
BOOL bAscending = (dwSortOptions & WINSDB_SORT_ASCENDING) ? TRUE : FALSE;
if (!m_bFiltered)
{
// check to see if we have an index for this.
pos = m_listIndicies.GetHeadPosition();
while (pos)
{
POSITION posTemp = pos;
CHRowIndex * pIndex = m_listIndicies.GetNext(pos);
pIndex->GetType(&indexType);
if (indexType == SortType)
{
if (pIndex->IsAscending() != bAscending)
{
pIndex->SetAscending(bAscending);
pIndex->Sort();
}
m_posCurrentIndex = posTemp;
m_posUpdatedIndex = m_posCurrentIndex;
// m_posLastIndex = m_posCurrentIndex;
return hrOK;
}
}
}
// to save memory, remove all old indicies, except the name index
CleanupIndicies();
// if not, create one
switch (SortType)
{
case INDEX_TYPE_NAME:
pNewIndex = new CIndexName();
break;
case INDEX_TYPE_IP:
pNewIndex = new CIndexIpAddr();
break;
case INDEX_TYPE_VERSION:
pNewIndex = new CIndexVersion();
break;
case INDEX_TYPE_TYPE:
pNewIndex = new CIndexType();
break;
case INDEX_TYPE_EXPIRATION:
pNewIndex = new CIndexExpiration();
break;
case INDEX_TYPE_STATE:
pNewIndex = new CIndexState();
break;
case INDEX_TYPE_STATIC:
pNewIndex = new CIndexStatic();
break;
case INDEX_TYPE_OWNER:
pNewIndex = new CIndexOwner();
break;
case INDEX_TYPE_FILTER:
//pNewIndex = new CIndexFilter();
break;
default:
Panic1("Invalid sort type passed to IndexMgr::Sort %d\n", SortType);
break;
}
Assert(pNewIndex);
if (!m_bFiltered)
pNameIndex = GetNameIndex();
else
pNameIndex = GetFilteredNameIndex();
Assert(pNameIndex);
// copy the array from the named index
pNewIndex->SetArray(pNameIndex->GetArray());
pNewIndex->SetAscending(bAscending);
pNewIndex->Sort();
if (!m_bFiltered)
{
m_posCurrentIndex = m_listIndicies.AddTail(pNewIndex);
m_posUpdatedIndex = m_posCurrentIndex;
}
else
{
POSITION posTemp = m_posFilteredIndex = m_listFilteredIndices.AddTail(pNewIndex);
m_posUpdatedIndex = posTemp;// m_posFilteredIndex;
}
Assert(m_posCurrentIndex);
return hr;
}
/*!--------------------------------------------------------------------------
CIndexMgr::GetNameIndex
-
Author: EricDav
---------------------------------------------------------------------------*/
CHRowIndex *
CIndexMgr::GetNameIndex()
{
CSingleLock cl(&m_cs);
cl.Lock();
INDEX_TYPE indexType;
POSITION pos = m_listIndicies.GetHeadPosition();
while (pos)
{
CHRowIndex * pIndex = m_listIndicies.GetNext(pos);
pIndex->GetType(&indexType);
if (indexType == INDEX_TYPE_NAME)
return pIndex;
}
return NULL;
}
/*!--------------------------------------------------------------------------
CIndexMgr::GetFilteredNameIndex
-
Author: EricDav
---------------------------------------------------------------------------*/
CHRowIndex *
CIndexMgr::GetFilteredNameIndex()
{
CSingleLock cl(&m_cs);
cl.Lock();
INDEX_TYPE indexType;
POSITION pos = m_listFilteredIndices.GetHeadPosition();
while (pos)
{
CHRowIndex * pIndex = m_listFilteredIndices.GetNext(pos);
pIndex->GetType(&indexType);
if (indexType == INDEX_TYPE_FILTER)
return pIndex;
}
return NULL;
}
/*!--------------------------------------------------------------------------
CIndexMgr::CleanupIndicies
Removes all indicies except the name index, and a filtered view
Author: EricDav
---------------------------------------------------------------------------*/
void
CIndexMgr::CleanupIndicies()
{
CSingleLock cl(&m_cs);
cl.Lock();
INDEX_TYPE indexType;
// clean up the non-filtered indicies
POSITION pos = m_listIndicies.GetHeadPosition();
while (pos)
{
POSITION posLast = pos;
CHRowIndex * pIndex = m_listIndicies.GetNext(pos);
pIndex->GetType(&indexType);
if (indexType == INDEX_TYPE_NAME ||
indexType == INDEX_TYPE_FILTER)
continue;
m_listIndicies.RemoveAt(posLast);
delete pIndex;
}
// now clean up the filtered indicies
pos = m_listFilteredIndices.GetHeadPosition();
// delete all except the first one which is the filetered
// name index
//CHRowIndex * pIndex = m_listFilteredIndices.GetNext(pos);
while (pos)
{
POSITION posLast = pos;
CHRowIndex * pIndex = m_listFilteredIndices.GetNext(pos);
pIndex->GetType(&indexType);
if (indexType == INDEX_TYPE_NAME ||
indexType == INDEX_TYPE_FILTER)
continue;
m_listFilteredIndices.RemoveAt(posLast);
delete pIndex;
}
}
/*!--------------------------------------------------------------------------
CIndexMgr::GetHRow
Returns an hrow based on an index into the current sorted list
Author: EricDav
---------------------------------------------------------------------------*/
HRESULT
CIndexMgr::GetHRow(int nIndex, LPHROW phrow)
{
CSingleLock cl(&m_cs);
cl.Lock();
Assert(m_posCurrentIndex != NULL);
//CHRowIndex * pIndex = m_listIndicies.GetAt(m_posCurrentIndex);
CHRowIndex * pIndex;
if (!m_bFiltered)
pIndex = m_listIndicies.GetAt(m_posUpdatedIndex);
else
pIndex = m_listFilteredIndices.GetAt(m_posFilteredIndex);
Assert(pIndex);
if (phrow)
*phrow = pIndex->GetHRow(nIndex);
return hrOK;
}
/*!--------------------------------------------------------------------------
CIndexMgr::GetIndex
Returns the index of an hrow from the current sorted list
Author: EricDav
---------------------------------------------------------------------------*/
HRESULT
CIndexMgr::GetIndex(HROW hrow, int * pIndex)
{
CSingleLock cl(&m_cs);
cl.Lock();
Assert(m_posCurrentIndex != NULL);
//CHRowIndex * pCurrentIndex = m_listIndicies.GetAt(m_posCurrentIndex);
CHRowIndex * pCurrentIndex;
if (!m_bFiltered)
pCurrentIndex = m_listIndicies.GetAt(m_posUpdatedIndex);
else
pCurrentIndex = m_listFilteredIndices.GetAt(m_posFilteredIndex);
Assert(pCurrentIndex);
if (pIndex)
*pIndex = pCurrentIndex->GetIndex(hrow);
return hrOK;
}
HRESULT
CIndexMgr::Filter(WINSDB_FILTER_TYPE FilterType, DWORD dwParam1, DWORD dwParam2)
{
CSingleLock cl(&m_cs);
cl.Lock();
HRESULT hr = hrOK;
CHRowIndex* pNameIndex;
CHRowIndex* pNewIndex;
POSITION pos;
INDEX_TYPE indexType;
UINT uCount;
UINT i;
BOOL bCheck = FALSE;
HROW hrow;
HRowArray hrowArray;
pNewIndex = GetFilteredNameIndex();
Assert(pNewIndex);
// clear the filtered name index first.
pNewIndex->SetArray(hrowArray);
pNameIndex = GetNameIndex();
Assert(pNameIndex);
// do the filtering here.
uCount = GetTotalCount();
for(i = 0; i< uCount; i++)
{
hrow = pNameIndex->GetHRow(i);
if (hrow)
bCheck = ((CFilteredIndexName *)pNewIndex)->CheckForFilter(&hrow);
if (bCheck)
pNewIndex->Add(hrow, TRUE);
}
// check to see if the filtered view has been sorted on something else besides
// the name. If so, switch back the index to the named index because
// otherwise we will need to resort which can be time consuming...
if (m_listFilteredIndices.GetAt(m_posFilteredIndex) != pNewIndex)
{
m_posFilteredIndex = m_listFilteredIndices.Find(pNewIndex);
}
// get the current position of the filtered index in the list of indices
m_posUpdatedIndex = m_posFilteredIndex;
Assert(m_posUpdatedIndex);
m_bFiltered = TRUE;
return hr;
}
HRESULT
CIndexMgr::AddFilter(WINSDB_FILTER_TYPE FilterType, DWORD dwParam1, DWORD dwParam2, LPCOLESTR strParam3)
{
CSingleLock cl(&m_cs);
cl.Lock();
HRESULT hr = hrOK;
CFilteredIndexName *pFilterName = (CFilteredIndexName *)GetFilteredNameIndex();
pFilterName->AddFilter(FilterType, dwParam1, dwParam2, strParam3);
m_bFiltered = TRUE;
return hr;
}
HRESULT
CIndexMgr::ClearFilter(WINSDB_FILTER_TYPE FilterType)
{
CSingleLock cl(&m_cs);
cl.Lock();
HRESULT hr = hrOK;
CFilteredIndexName *pFilterName = (CFilteredIndexName *)GetFilteredNameIndex();
pFilterName->ClearFilter(FilterType);
m_bFiltered = FALSE;
// m_posCurrentIndex = m_posLastIndex;
return hr;
}
HRESULT
CIndexMgr::SetActiveView(WINSDB_VIEW_TYPE ViewType)
{
CSingleLock cl(&m_cs);
cl.Lock();
HRESULT hr = hrOK;
switch(ViewType)
{
case WINSDB_VIEW_FILTERED_DATABASE:
m_bFiltered = TRUE;
//m_posCurrentIndex = m_posFilteredIndex;
m_posUpdatedIndex = m_posFilteredIndex;
break;
case WINSDB_VIEW_ENTIRE_DATABASE:
m_bFiltered = FALSE;
//m_posCurrentIndex = m_posLastIndex;
m_posUpdatedIndex = m_posCurrentIndex;
break;
default:
break;
}
return hr;
}
/*!--------------------------------------------------------------------------
Class CIndexName
---------------------------------------------------------------------------*/
/*!--------------------------------------------------------------------------
CIndexName::BCompare
-
Author: EricDav
---------------------------------------------------------------------------*/
int
CIndexName::BCompare(const void * elem1, const void * elem2)
{
LPHROW phrow1 = (LPHROW) elem1;
LPHROW phrow2 = (LPHROW) elem2;
LPWINSDBRECORD pRec1 = (LPWINSDBRECORD) *phrow1;
LPWINSDBRECORD pRec2 = (LPWINSDBRECORD) *phrow2;
LPCSTR puChar1 = (IS_DBREC_LONGNAME(pRec1)) ? (LPCSTR) *((char **) pRec1->szRecordName) :
(LPCSTR) &pRec1->szRecordName[0];
LPCSTR puChar2 = (IS_DBREC_LONGNAME(pRec2)) ? (LPCSTR) *((char **) pRec2->szRecordName) :
(LPCSTR) &pRec2->szRecordName[0];
return lstrcmpOEM(puChar1, puChar2);
}
int
CIndexName::BCompareD(const void *elem1, const void *elem2)
{
return -BCompare(elem1, elem2);
}
/*!--------------------------------------------------------------------------
CIndexName::Sort
-
Author: EricDav
---------------------------------------------------------------------------*/
HRESULT
CIndexName::Sort()
{
if (m_bAscending)
qsort(m_hrowArray.GetData(), (size_t)m_hrowArray.GetSize(), sizeof(HROW), QCompareA);
else
qsort(m_hrowArray.GetData(), (size_t)m_hrowArray.GetSize(), sizeof(HROW), QCompareD);
return hrOK;
}
/*!--------------------------------------------------------------------------
CIndexName::QCompare
-
Author: EricDav
---------------------------------------------------------------------------*/
int __cdecl
CIndexName::QCompareA(const void * elem1, const void * elem2)
{
LPHROW phrow1 = (LPHROW) elem1;
LPHROW phrow2 = (LPHROW) elem2;
LPWINSDBRECORD pRec1 = (LPWINSDBRECORD) *phrow1;
LPWINSDBRECORD pRec2 = (LPWINSDBRECORD) *phrow2;
LPCSTR puChar1 = (IS_DBREC_LONGNAME(pRec1)) ? (LPCSTR) *((char **) pRec1->szRecordName) :
(LPCSTR) &pRec1->szRecordName[0];
LPCSTR puChar2 = (IS_DBREC_LONGNAME(pRec2)) ? (LPCSTR) *((char **) pRec2->szRecordName) :
(LPCSTR) &pRec2->szRecordName[0];
return lstrcmpOEM(puChar1, puChar2);
}
int __cdecl
CIndexName::QCompareD(const void * elem1, const void * elem2)
{
return -QCompareA(elem1, elem2);
}
/*!--------------------------------------------------------------------------
Class CIndexType
---------------------------------------------------------------------------*/
/*!--------------------------------------------------------------------------
CIndexType::BCompare
-
Author: EricDav
---------------------------------------------------------------------------*/
int
CIndexType::BCompare(const void * elem1, const void * elem2)
{
LPHROW phrow1 = (LPHROW) elem1;
LPHROW phrow2 = (LPHROW) elem2;
LPWINSDBRECORD pRec1 = (LPWINSDBRECORD) *phrow1;
LPWINSDBRECORD pRec2 = (LPWINSDBRECORD) *phrow2;
LPCSTR puChar1 = (IS_DBREC_LONGNAME(pRec1)) ? (LPCSTR) *((char **) pRec1->szRecordName) :
(LPCSTR) &pRec1->szRecordName[0];
LPCSTR puChar2 = (IS_DBREC_LONGNAME(pRec2)) ? (LPCSTR) *((char **) pRec2->szRecordName) :
(LPCSTR) &pRec2->szRecordName[0];
if ((unsigned char) puChar1[15] > (unsigned char) puChar2[15])
return 1;
else
if ((unsigned char) puChar1[15] < (unsigned char) puChar2[15])
return -1;
else
return lstrcmpOEM(puChar1, puChar2);
}
int
CIndexType::BCompareD(const void *elem1, const void *elem2)
{
return -BCompare(elem1, elem2);
}
/*!--------------------------------------------------------------------------
CIndexType::Sort
-
Author: EricDav
---------------------------------------------------------------------------*/
HRESULT
CIndexType::Sort()
{
if (m_bAscending)
qsort(m_hrowArray.GetData(), (size_t)m_hrowArray.GetSize(), sizeof(HROW), QCompareA);
else
qsort(m_hrowArray.GetData(), (size_t)m_hrowArray.GetSize(), sizeof(HROW), QCompareD);
return hrOK;
}
/*!--------------------------------------------------------------------------
CIndexType::QCompare
-
Author: EricDav
---------------------------------------------------------------------------*/
int __cdecl
CIndexType::QCompareA(const void * elem1, const void * elem2)
{
LPHROW phrow1 = (LPHROW) elem1;
LPHROW phrow2 = (LPHROW) elem2;
LPWINSDBRECORD pRec1 = (LPWINSDBRECORD) *phrow1;
LPWINSDBRECORD pRec2 = (LPWINSDBRECORD) *phrow2;
LPCSTR puChar1 = (IS_DBREC_LONGNAME(pRec1)) ? (LPCSTR) *((char **) pRec1->szRecordName) :
(LPCSTR) &pRec1->szRecordName[0];
LPCSTR puChar2 = (IS_DBREC_LONGNAME(pRec2)) ? (LPCSTR) *((char **) pRec2->szRecordName) :
(LPCSTR) &pRec2->szRecordName[0];
DWORD dwAddr1, dwAddr2;
if (pRec1->szRecordName[18] & WINSDB_REC_MULT_ADDRS)
{
// if this record has multiple addresses, we want the 2nd
// address, because the 1st address is always the WINS server
// first dword is the count.
LPDWORD pdwIpAddrs = (LPDWORD) pRec1->dwIpAdd;
dwAddr1 = pdwIpAddrs[2];
}
else
{
dwAddr1 = (DWORD) pRec1->dwIpAdd;
}
if (pRec2->szRecordName[18] & WINSDB_REC_MULT_ADDRS)
{
// if this record has multiple addresses, we want the 2nd
// address, because the 1st address is always the WINS server
// first dword is the count.
LPDWORD pdwIpAddrs = (LPDWORD) pRec2->dwIpAdd;
dwAddr2 = pdwIpAddrs[2];
}
else
{
dwAddr2 = (DWORD) pRec2->dwIpAdd;
}
// check the types first. If they are the same, sort by IP address.
// if for some reason the IP addresses are the same then sort by name.
if ((unsigned char) puChar1[15] > (unsigned char) puChar2[15])
return 1;
else
if ((unsigned char) puChar1[15] < (unsigned char) puChar2[15])
return -1;
else
if (dwAddr1 > dwAddr2)
return 1;
else
if (dwAddr1 < dwAddr2)
return -1;
else
return lstrcmpOEM(puChar1, puChar2);
}
int __cdecl
CIndexType::QCompareD(const void * elem1, const void * elem2)
{
return -QCompareA(elem1, elem2);
}
/*!--------------------------------------------------------------------------
Class CIndexIpAddr
---------------------------------------------------------------------------*/
/*!--------------------------------------------------------------------------
CIndexIpAddr::BCompare
-
Author: EricDav
---------------------------------------------------------------------------*/
int
CIndexIpAddr::BCompare(const void * elem1, const void * elem2)
{
LPHROW phrow1 = (LPHROW) elem1;
LPHROW phrow2 = (LPHROW) elem2;
LPWINSDBRECORD pRec1 = (LPWINSDBRECORD) *phrow1;
LPWINSDBRECORD pRec2 = (LPWINSDBRECORD) *phrow2;
DWORD dwAddr1, dwAddr2;
if (pRec1->szRecordName[18] & WINSDB_REC_MULT_ADDRS)
{
// if this record has multiple addresses, we want the 2nd
// address, because the 1st address is always the WINS server
// first dword is the count.
LPDWORD pdwIpAddrs = (LPDWORD) pRec1->dwIpAdd;
dwAddr1 = pdwIpAddrs[2];
}
else
{
dwAddr1 = (DWORD) pRec1->dwIpAdd;
}
if (pRec2->szRecordName[18] & WINSDB_REC_MULT_ADDRS)
{
// if this record has multiple addresses, we want the 2nd
// address, because the 1st address is always the WINS server
// first dword is the count.
LPDWORD pdwIpAddrs = (LPDWORD) pRec2->dwIpAdd;
dwAddr2 = pdwIpAddrs[2];
}
else
{
dwAddr2 = (DWORD) pRec2->dwIpAdd;
}
if (dwAddr1 > dwAddr2)
return 1;
else
if (dwAddr1 < dwAddr2)
return -1;
else
{
// if the addresses are the same, compare types, then names
LPCSTR puChar1 = (IS_DBREC_LONGNAME(pRec1)) ? (LPCSTR) *((char **) pRec1->szRecordName) :
(LPCSTR) &pRec1->szRecordName[0];
LPCSTR puChar2 = (IS_DBREC_LONGNAME(pRec2)) ? (LPCSTR) *((char **) pRec2->szRecordName) :
(LPCSTR) &pRec2->szRecordName[0];
if ((unsigned char) puChar1[15] > (unsigned char) puChar2[15])
return 1;
else
if ((unsigned char) puChar1[15] < (unsigned char) puChar2[15])
return -1;
else
return lstrcmpOEM(puChar1, puChar2);
}
}
int
CIndexIpAddr::BCompareD(const void *elem1, const void *elem2)
{
return -BCompare(elem1, elem2);
}
/*!--------------------------------------------------------------------------
CIndexIpAddr::Sort
-
Author: EricDav
---------------------------------------------------------------------------*/
HRESULT
CIndexIpAddr::Sort()
{
if (m_bAscending)
qsort(m_hrowArray.GetData(), (size_t)m_hrowArray.GetSize(), sizeof(HROW), QCompareA);
else
qsort(m_hrowArray.GetData(), (size_t)m_hrowArray.GetSize(), sizeof(HROW), QCompareD);
return hrOK;
}
/*!--------------------------------------------------------------------------
CIndexIpAddr::QCompare
-
Author: EricDav
---------------------------------------------------------------------------*/
int __cdecl
CIndexIpAddr::QCompareA(const void * elem1, const void * elem2)
{
LPHROW phrow1 = (LPHROW) elem1;
LPHROW phrow2 = (LPHROW) elem2;
LPWINSDBRECORD pRec1 = (LPWINSDBRECORD) *phrow1;
LPWINSDBRECORD pRec2 = (LPWINSDBRECORD) *phrow2;
DWORD dwAddr1, dwAddr2;
if (pRec1->szRecordName[18] & WINSDB_REC_MULT_ADDRS)
{
// if this record has multiple addresses, we want the 2nd
// address, because the 1st address is always the WINS server
// first dword is the count.
LPDWORD pdwIpAddrs = (LPDWORD) pRec1->dwIpAdd;
dwAddr1 = pdwIpAddrs[2];
}
else
{
dwAddr1 = (DWORD) pRec1->dwIpAdd;
}
if (pRec2->szRecordName[18] & WINSDB_REC_MULT_ADDRS)
{
// if this record has multiple addresses, we want the 2nd
// address, because the 1st address is always the WINS server
// first dword is the count.
LPDWORD pdwIpAddrs = (LPDWORD) pRec2->dwIpAdd;
dwAddr2 = pdwIpAddrs[2];
}
else
{
dwAddr2 = (DWORD) pRec2->dwIpAdd;
}
if (dwAddr1 > dwAddr2)
return 1;
else
if (dwAddr1 < dwAddr2)
return -1;
else
{
// if the addresses are the same, compare types, then names
LPCSTR puChar1 = (IS_DBREC_LONGNAME(pRec1)) ? (LPCSTR) *((char **) pRec1->szRecordName) :
(LPCSTR) &pRec1->szRecordName[0];
LPCSTR puChar2 = (IS_DBREC_LONGNAME(pRec2)) ? (LPCSTR) *((char **) pRec2->szRecordName) :
(LPCSTR) &pRec2->szRecordName[0];
if ((unsigned char) puChar1[15] > (unsigned char) puChar2[15])
return 1;
else
if ((unsigned char) puChar1[15] < (unsigned char) puChar2[15])
return -1;
else
return lstrcmpOEM(puChar1, puChar2);
}
}
int __cdecl
CIndexIpAddr::QCompareD(const void * elem1, const void * elem2)
{
return -QCompareA(elem1, elem2);
}
/*!--------------------------------------------------------------------------
Class CIndexVersion
---------------------------------------------------------------------------*/
/*!--------------------------------------------------------------------------
CIndexVersion::BCompare
-
Author: EricDav
---------------------------------------------------------------------------*/
int
CIndexVersion::BCompare(const void * elem1, const void * elem2)
{
LPHROW phrow1 = (LPHROW) elem1;
LPHROW phrow2 = (LPHROW) elem2;
LPWINSDBRECORD pRec1 = (LPWINSDBRECORD) *phrow1;
LPWINSDBRECORD pRec2 = (LPWINSDBRECORD) *phrow2;
if (pRec1->liVersion.QuadPart > pRec2->liVersion.QuadPart)
return 1;
else
if (pRec1->liVersion.QuadPart < pRec2->liVersion.QuadPart)
return -1;
else
return 0;
}
int
CIndexVersion::BCompareD(const void *elem1, const void *elem2)
{
return -BCompare(elem1, elem2);
}
/*!--------------------------------------------------------------------------
CIndexVersion::Sort
-
Author: EricDav
---------------------------------------------------------------------------*/
HRESULT
CIndexVersion::Sort()
{
if (m_bAscending)
qsort(m_hrowArray.GetData(), (size_t)m_hrowArray.GetSize(), sizeof(HROW), QCompareA);
else
qsort(m_hrowArray.GetData(), (size_t)m_hrowArray.GetSize(), sizeof(HROW), QCompareD);
return hrOK;
}
/*!--------------------------------------------------------------------------
CIndexVersion::QCompare
-
Author: EricDav
---------------------------------------------------------------------------*/
int __cdecl
CIndexVersion::QCompareA(const void * elem1, const void * elem2)
{
LPHROW phrow1 = (LPHROW) elem1;
LPHROW phrow2 = (LPHROW) elem2;
LPWINSDBRECORD pRec1 = (LPWINSDBRECORD) *phrow1;
LPWINSDBRECORD pRec2 = (LPWINSDBRECORD) *phrow2;
if (pRec1->liVersion.QuadPart > pRec2->liVersion.QuadPart)
return 1;
else
if (pRec1->liVersion.QuadPart < pRec2->liVersion.QuadPart)
return -1;
else
return 0;
}
int __cdecl
CIndexVersion::QCompareD(const void * elem1, const void * elem2)
{
return -QCompareA(elem1, elem2);
}
/*!--------------------------------------------------------------------------
Class CIndexExpiration
---------------------------------------------------------------------------*/
/*!--------------------------------------------------------------------------
CIndexExpiration::BCompare
-
Author: EricDav
---------------------------------------------------------------------------*/
int
CIndexExpiration::BCompare(const void * elem1, const void * elem2)
{
LPHROW phrow1 = (LPHROW) elem1;
LPHROW phrow2 = (LPHROW) elem2;
LPWINSDBRECORD pRec1 = (LPWINSDBRECORD) *phrow1;
LPWINSDBRECORD pRec2 = (LPWINSDBRECORD) *phrow2;
if (pRec1->dwExpiration > pRec2->dwExpiration)
return 1;
else
if (pRec1->dwExpiration < pRec2->dwExpiration)
return -1;
else
return 0;
}
int
CIndexExpiration::BCompareD(const void *elem1, const void *elem2)
{
return -BCompare(elem1, elem2);
}
/*!--------------------------------------------------------------------------
CIndexExpiration::Sort
-
Author: EricDav
---------------------------------------------------------------------------*/
HRESULT
CIndexExpiration::Sort()
{
if (m_bAscending)
qsort(m_hrowArray.GetData(), (size_t)m_hrowArray.GetSize(), sizeof(HROW), QCompareA);
else
qsort(m_hrowArray.GetData(), (size_t)m_hrowArray.GetSize(), sizeof(HROW), QCompareD);
return hrOK;
}
/*!--------------------------------------------------------------------------
CIndexExpiration::QCompare
-
Author: EricDav
---------------------------------------------------------------------------*/
int __cdecl
CIndexExpiration::QCompareA(const void * elem1, const void * elem2)
{
LPHROW phrow1 = (LPHROW) elem1;
LPHROW phrow2 = (LPHROW) elem2;
LPWINSDBRECORD pRec1 = (LPWINSDBRECORD) *phrow1;
LPWINSDBRECORD pRec2 = (LPWINSDBRECORD) *phrow2;
if (pRec1->dwExpiration > pRec2->dwExpiration)
return 1;
else
if (pRec1->dwExpiration < pRec2->dwExpiration)
return -1;
else
return 0;
}
int __cdecl
CIndexExpiration::QCompareD(const void * elem1, const void * elem2)
{
return -QCompareA(elem1, elem2);
}
/*!--------------------------------------------------------------------------
Class CIndexState
---------------------------------------------------------------------------*/
/*!--------------------------------------------------------------------------
CIndexState::BCompare
-
Author: EricDav
---------------------------------------------------------------------------*/
int
CIndexState::BCompare(const void * elem1, const void * elem2)
{
LPHROW phrow1 = (LPHROW) elem1;
LPHROW phrow2 = (LPHROW) elem2;
LPWINSDBRECORD pRec1 = (LPWINSDBRECORD) *phrow1;
LPWINSDBRECORD pRec2 = (LPWINSDBRECORD) *phrow2;
int nPri1 = 0, nPri2 = 0;
// calculate relative priorities
if (pRec1->szRecordName[18] & WINSDB_REC_ACTIVE)
nPri1 = 0;
else
if (pRec1->szRecordName[18] & WINSDB_REC_RELEASED)
nPri1 = 1;
else
if (pRec1->szRecordName[18] & WINSDB_REC_TOMBSTONE)
nPri1 = 2;
else
if (pRec1->szRecordName[18] & WINSDB_REC_DELETED)
nPri1 = 3;
// now for record 2
if (pRec2->szRecordName[18] & WINSDB_REC_ACTIVE)
nPri2 = 0;
else
if (pRec2->szRecordName[18] & WINSDB_REC_RELEASED)
nPri2 = 1;
else
if (pRec2->szRecordName[18] & WINSDB_REC_TOMBSTONE)
nPri2 = 2;
else
if (pRec2->szRecordName[18] & WINSDB_REC_DELETED)
nPri2 = 3;
if (nPri1 > nPri2)
return 1;
else
if (nPri1 < nPri2)
return -1;
else
{
LPCSTR puChar1 = (IS_DBREC_LONGNAME(pRec1)) ? (LPCSTR) *((char **) pRec1->szRecordName) :
(LPCSTR) &pRec1->szRecordName[0];
LPCSTR puChar2 = (IS_DBREC_LONGNAME(pRec2)) ? (LPCSTR) *((char **) pRec2->szRecordName) :
(LPCSTR) &pRec2->szRecordName[0];
return lstrcmpOEM(puChar1, puChar2);
}
}
int
CIndexState::BCompareD(const void *elem1, const void *elem2)
{
return -BCompare(elem1, elem2);
}
/*!--------------------------------------------------------------------------
CIndexState::Sort
-
Author: EricDav
---------------------------------------------------------------------------*/
HRESULT
CIndexState::Sort()
{
if (m_bAscending)
qsort(m_hrowArray.GetData(), (size_t)m_hrowArray.GetSize(), sizeof(HROW), QCompareA);
else
qsort(m_hrowArray.GetData(), (size_t)m_hrowArray.GetSize(), sizeof(HROW), QCompareD);
return hrOK;
}
/*!--------------------------------------------------------------------------
CIndexState::QCompare
-
Author: EricDav
---------------------------------------------------------------------------*/
int __cdecl
CIndexState::QCompareA(const void * elem1, const void * elem2)
{
LPHROW phrow1 = (LPHROW) elem1;
LPHROW phrow2 = (LPHROW) elem2;
LPWINSDBRECORD pRec1 = (LPWINSDBRECORD) *phrow1;
LPWINSDBRECORD pRec2 = (LPWINSDBRECORD) *phrow2;
int nPri1 = 0, nPri2 = 0;
// calculate relative priorities
if (pRec1->szRecordName[18] & WINSDB_REC_ACTIVE)
nPri1 = 0;
else
if (pRec1->szRecordName[18] & WINSDB_REC_RELEASED)
nPri1 = 1;
else
if (pRec1->szRecordName[18] & WINSDB_REC_TOMBSTONE)
nPri1 = 2;
else
if (pRec1->szRecordName[18] & WINSDB_REC_DELETED)
nPri1 = 3;
// now for record 2
if (pRec2->szRecordName[18] & WINSDB_REC_ACTIVE)
nPri2 = 0;
else
if (pRec2->szRecordName[18] & WINSDB_REC_RELEASED)
nPri2 = 1;
else
if (pRec2->szRecordName[18] & WINSDB_REC_TOMBSTONE)
nPri2 = 2;
else
if (pRec2->szRecordName[18] & WINSDB_REC_DELETED)
nPri2 = 3;
if (nPri1 > nPri2)
return 1;
else
if (nPri1 < nPri2)
return -1;
else
{
LPCSTR puChar1 = (IS_DBREC_LONGNAME(pRec1)) ? (LPCSTR) *((char **) pRec1->szRecordName) :
(LPCSTR) &pRec1->szRecordName[0];
LPCSTR puChar2 = (IS_DBREC_LONGNAME(pRec2)) ? (LPCSTR) *((char **) pRec2->szRecordName) :
(LPCSTR) &pRec2->szRecordName[0];
return lstrcmpOEM(puChar1, puChar2);
}
}
int __cdecl
CIndexState::QCompareD(const void * elem1, const void * elem2)
{
return -QCompareA(elem1, elem2);
}
/*!--------------------------------------------------------------------------
Class CIndexStatic
---------------------------------------------------------------------------*/
/*!--------------------------------------------------------------------------
CIndexStatic::BCompare
-
Author: EricDav
---------------------------------------------------------------------------*/
int
CIndexStatic::BCompare(const void * elem1, const void * elem2)
{
LPHROW phrow1 = (LPHROW) elem1;
LPHROW phrow2 = (LPHROW) elem2;
LPWINSDBRECORD pRec1 = (LPWINSDBRECORD) *phrow1;
LPWINSDBRECORD pRec2 = (LPWINSDBRECORD) *phrow2;
BOOL bStatic1 = pRec1->szRecordName[18] & LOBYTE(LOWORD(WINSDB_REC_STATIC));
BOOL bStatic2 = pRec2->szRecordName[18] & LOBYTE(LOWORD(WINSDB_REC_STATIC));
if (bStatic1 && !bStatic2)
return 1;
else
if (!bStatic1 && bStatic2)
return -1;
else
{
LPCSTR puChar1 = (IS_DBREC_LONGNAME(pRec1)) ? (LPCSTR) *((char **) pRec1->szRecordName) :
(LPCSTR) &pRec1->szRecordName[0];
LPCSTR puChar2 = (IS_DBREC_LONGNAME(pRec2)) ? (LPCSTR) *((char **) pRec2->szRecordName) :
(LPCSTR) &pRec2->szRecordName[0];
return lstrcmpOEM(puChar1, puChar2);
}
}
int
CIndexStatic::BCompareD(const void *elem1, const void *elem2)
{
return -BCompare(elem1, elem2);
}
/*!--------------------------------------------------------------------------
CIndexStatic::Sort
-
Author: EricDav
---------------------------------------------------------------------------*/
HRESULT
CIndexStatic::Sort()
{
if (m_bAscending)
qsort(m_hrowArray.GetData(), (size_t)m_hrowArray.GetSize(), sizeof(HROW), QCompareA);
else
qsort(m_hrowArray.GetData(), (size_t)m_hrowArray.GetSize(), sizeof(HROW), QCompareD);
return hrOK;
}
/*!--------------------------------------------------------------------------
CIndexStatic::QCompare
-
Author: EricDav
---------------------------------------------------------------------------*/
int __cdecl
CIndexStatic::QCompareA(const void * elem1, const void * elem2)
{
LPHROW phrow1 = (LPHROW) elem1;
LPHROW phrow2 = (LPHROW) elem2;
LPWINSDBRECORD pRec1 = (LPWINSDBRECORD) *phrow1;
LPWINSDBRECORD pRec2 = (LPWINSDBRECORD) *phrow2;
BOOL bStatic1 = pRec1->szRecordName[18] & LOBYTE(LOWORD(WINSDB_REC_STATIC));
BOOL bStatic2 = pRec2->szRecordName[18] & LOBYTE(LOWORD(WINSDB_REC_STATIC));
if (bStatic1 && !bStatic2)
return 1;
else
if (!bStatic1 && bStatic2)
return -1;
else
{
LPCSTR puChar1 = (IS_DBREC_LONGNAME(pRec1)) ? (LPCSTR) *((char **) pRec1->szRecordName) :
(LPCSTR) &pRec1->szRecordName[0];
LPCSTR puChar2 = (IS_DBREC_LONGNAME(pRec2)) ? (LPCSTR) *((char **) pRec2->szRecordName) :
(LPCSTR) &pRec2->szRecordName[0];
return lstrcmpOEM(puChar1, puChar2);
}
}
int __cdecl
CIndexStatic::QCompareD(const void * elem1, const void * elem2)
{
return -QCompareA(elem1, elem2);
}
/*!--------------------------------------------------------------------------
Class CIndexOwner
---------------------------------------------------------------------------*/
/*!--------------------------------------------------------------------------
CIndexOwner::BCompare
-
Author: EricDav
---------------------------------------------------------------------------*/
int
CIndexOwner::BCompare(const void * elem1, const void * elem2)
{
LPHROW phrow1 = (LPHROW) elem1;
LPHROW phrow2 = (LPHROW) elem2;
LPWINSDBRECORD pRec1 = (LPWINSDBRECORD) *phrow1;
LPWINSDBRECORD pRec2 = (LPWINSDBRECORD) *phrow2;
if (pRec1->dwOwner > pRec2->dwOwner)
{
return 1;
}
else
if (pRec1->dwOwner < pRec2->dwOwner)
{
return -1;
}
else
{
// if the addresses are the same, compare names
LPCSTR puChar1 = (IS_DBREC_LONGNAME(pRec1)) ? (LPCSTR) *((char **) pRec1->szRecordName) :
(LPCSTR) &pRec1->szRecordName[0];
LPCSTR puChar2 = (IS_DBREC_LONGNAME(pRec2)) ? (LPCSTR) *((char **) pRec2->szRecordName) :
(LPCSTR) &pRec2->szRecordName[0];
return lstrcmpOEM(puChar1, puChar2);
}
}
int
CIndexOwner::BCompareD(const void *elem1, const void *elem2)
{
return -BCompare(elem1, elem2);
}
/*!--------------------------------------------------------------------------
CIndexStatic::Sort
-
Author: EricDav
---------------------------------------------------------------------------*/
HRESULT
CIndexOwner::Sort()
{
if (m_bAscending)
qsort(m_hrowArray.GetData(), (size_t)m_hrowArray.GetSize(), sizeof(HROW), QCompareA);
else
qsort(m_hrowArray.GetData(), (size_t)m_hrowArray.GetSize(), sizeof(HROW), QCompareD);
return hrOK;
}
/*!--------------------------------------------------------------------------
CIndexStatic::QCompare
-
Author: EricDav
---------------------------------------------------------------------------*/
int __cdecl
CIndexOwner::QCompareA(const void * elem1, const void * elem2)
{
LPHROW phrow1 = (LPHROW) elem1;
LPHROW phrow2 = (LPHROW) elem2;
LPWINSDBRECORD pRec1 = (LPWINSDBRECORD) *phrow1;
LPWINSDBRECORD pRec2 = (LPWINSDBRECORD) *phrow2;
if (pRec1->dwOwner > pRec2->dwOwner)
{
return 1;
}
else
if (pRec1->dwOwner < pRec2->dwOwner)
{
return -1;
}
else
{
// if the addresses are the same, compare names
LPCSTR puChar1 = (IS_DBREC_LONGNAME(pRec1)) ? (LPCSTR) *((char **) pRec1->szRecordName) :
(LPCSTR) &pRec1->szRecordName[0];
LPCSTR puChar2 = (IS_DBREC_LONGNAME(pRec2)) ? (LPCSTR) *((char **) pRec2->szRecordName) :
(LPCSTR) &pRec2->szRecordName[0];
return lstrcmpOEM(puChar1, puChar2);
}
}
int __cdecl
CIndexOwner::QCompareD(const void * elem1, const void * elem2)
{
return -QCompareA(elem1, elem2);
}
HRESULT CFilteredIndexName::AddFilter(WINSDB_FILTER_TYPE FilterType, DWORD dwData1, DWORD dwData2, LPCOLESTR strData3)
{
HRESULT hr = hrOK;
tIpReference ipRef;
switch (FilterType)
{
case WINSDB_FILTER_BY_TYPE:
m_mapFilterTypes.SetAt(dwData1, (BOOL&) dwData2);
break;
case WINSDB_FILTER_BY_OWNER:
m_dwaFilteredOwners.Add(dwData1);
break;
case WINSDB_FILTER_BY_IPADDR:
ipRef.Address = dwData1;
ipRef.Mask = dwData2;
m_taFilteredIp.Add(ipRef);
break;
case WINSDB_FILTER_BY_NAME:
UINT nData3Len;
nData3Len = (_tcslen(strData3)+1)*sizeof(TCHAR);
m_pchFilteredName = new char[nData3Len];
if (m_pchFilteredName != NULL)
{
#ifdef _UNICODE
if (WideCharToMultiByte(CP_OEMCP,
0,
strData3,
-1,
m_pchFilteredName,
nData3Len,
NULL,
NULL) == 0)
{
delete m_pchFilteredName;
m_pchFilteredName = NULL;
}
#else
CharToOem(strData3, m_pchFilteredName);
#endif
//m_pchFilteredName = _strupr(m_pchFilteredName);
m_bMatchCase = dwData1;
}
break;
default:
Panic0("Invalid filter type passed to CFilteredIndexName::AddFilter");
break;
}
return hr;
}
BOOL CFilteredIndexName::CheckForFilter(LPHROW hrowCheck)
{
UINT nCountOwner = (UINT)m_dwaFilteredOwners.GetSize();
UINT nCountType = m_mapFilterTypes.GetHashTableSize();
UINT nCountIPAddrs = (UINT)m_taFilteredIp.GetSize();
BOOL bOwnerFilter = (nCountOwner == 0);
BOOL bTypeFilter = (nCountType == 0);
BOOL bIPAddrsFilter = (nCountIPAddrs == 0);
BOOL bNameFilter = (m_pchFilteredName == NULL);
LPWINSDBRECORD pRec = (LPWINSDBRECORD) *hrowCheck;
UINT i, j;
LPCSTR puChar;
for (i = 0; !bOwnerFilter && i < nCountOwner; i++)
{
if (pRec->dwOwner == m_dwaFilteredOwners.GetAt(i))
bOwnerFilter = TRUE;
}
if (!bOwnerFilter)
return FALSE;
puChar = (IS_DBREC_LONGNAME(pRec)) ?
(LPCSTR) *((char **) pRec->szRecordName) :
(LPCSTR) &pRec->szRecordName[0];
if (!bTypeFilter)
{
DWORD dwType = puChar[0xF];
if (!m_mapFilterTypes.Lookup(dwType, bTypeFilter))
{
// no entry for this name type. Check the FFFF name type (other) to see if we should
// show it.
dwType = 0xFFFF;
m_mapFilterTypes.Lookup(dwType, bTypeFilter);
}
}
if (!bTypeFilter)
return FALSE;
for (i = 0; !bIPAddrsFilter && i < nCountIPAddrs; i++)
{
if (pRec->szRecordName[18] & WINSDB_REC_MULT_ADDRS)
{
LPDWORD pdwIpAddrs = (LPDWORD) pRec->dwIpAdd;
for (j=0; !bIPAddrsFilter && j < pdwIpAddrs[0]; j+=2)
{
bIPAddrsFilter = SubnetMatching(m_taFilteredIp[i], pdwIpAddrs[j+2]);
}
}
else
{
bIPAddrsFilter = SubnetMatching(m_taFilteredIp[i], (DWORD)pRec->dwIpAdd);
}
}
if(!bIPAddrsFilter)
return FALSE;
if (!bNameFilter)
{
bNameFilter = (PatternMatching(puChar, m_pchFilteredName, 16) == NULL);
}
return bNameFilter;
}
BOOL CFilteredIndexName::CheckWinsRecordForFilter(WinsRecord *pWinsRecord)
{
UINT nCountOwner = (UINT)m_dwaFilteredOwners.GetSize();
UINT nCountType = m_mapFilterTypes.GetHashTableSize();
UINT nCountIPAddrs = (UINT)m_taFilteredIp.GetSize();
BOOL bOwnerFilter = (nCountOwner == 0);
BOOL bTypeFilter = (nCountType == 0);
BOOL bIPAddrsFilter = (nCountIPAddrs == 0);
BOOL bNameFilter = (m_pchFilteredName == NULL);
UINT i, j;
//-------------------------------------
// check the owner filter first, if any
for (i = 0; !bOwnerFilter && i < nCountOwner; i++)
{
if (pWinsRecord->dwOwner == m_dwaFilteredOwners.GetAt(i))
bOwnerFilter = TRUE;
}
if (!bOwnerFilter)
return FALSE;
//-------------------------------------
// check the type filter if any
if (!bTypeFilter)
{
if (!m_mapFilterTypes.Lookup(pWinsRecord->dwType, bTypeFilter))
{
// no entry for this name type. Check the FFFF name type (other) to see if we should
// show it.
DWORD dwType = 0xFFFF;
m_mapFilterTypes.Lookup(dwType, bTypeFilter);
}
}
if (!bTypeFilter)
return FALSE;
//-------------------------------------
// check the IP address filter if any
for (i = 0; !bIPAddrsFilter && i < nCountIPAddrs; i++)
{
if (pWinsRecord->dwState & WINSDB_REC_MULT_ADDRS)
{
for (j=0; !bIPAddrsFilter && j < pWinsRecord->dwNoOfAddrs; j++)
{
bIPAddrsFilter = SubnetMatching(m_taFilteredIp[i], pWinsRecord->dwIpAdd[j]);
}
}
else
{
bIPAddrsFilter = SubnetMatching(m_taFilteredIp[i], pWinsRecord->dwIpAdd[0]);
}
}
if(!bIPAddrsFilter)
return FALSE;
//-------------------------------------
// check the name filter if any
if (!bNameFilter)
{
bNameFilter = (PatternMatching(pWinsRecord->szRecordName, m_pchFilteredName, 16) == NULL);
}
return bNameFilter;
}
LPCSTR CFilteredIndexName::PatternMatching(LPCSTR pName, LPCSTR pPattern, INT nNameLen)
{
LPCSTR pNameBak = pName;
// it is guaranteed here we have a valid (not NULL) pattern
while (*pPattern != '\0' && pName-pNameBak < nNameLen)
{
BOOL bChMatch = (*pPattern == *pName);
if (!m_bMatchCase && !bChMatch)
{
bChMatch = (islower(*pPattern) && _toupper(*pPattern) == *pName) ||
(islower(*pName) && *pPattern == _toupper(*pName));
}
if (*pPattern == '?' || bChMatch)
{
pPattern++;
}
else if (*pPattern == '*')
{
LPCSTR pTrail = pName;
INT nTrailLen = nNameLen-(UINT)(pTrail-pNameBak);
pPattern++;
while ((pName = PatternMatching(pTrail, pPattern, nTrailLen)) != NULL)
{
pTrail++;
nTrailLen--;
if (*pTrail == '\0' || nTrailLen <= 0)
break;
}
return pName;
}
else if (!bChMatch)
{
// in the test above, note that even in the unikely case *pName == '\0'
// *pName will not match *pPattern so the loop is still broken - which is
// the desired behavior. In this case the pattern was not consummed
// and the name was, so the return will indicate the matching failed
break;
}
pName++;
}
return *pPattern == '\0' ? NULL : pName;
}
BOOL CFilteredIndexName::SubnetMatching(tIpReference &IpRefPattern, DWORD dwIPAddress)
{
DWORD dwMask;
return (IpRefPattern.Address & IpRefPattern.Mask) == (dwIPAddress & IpRefPattern.Mask);
}
HRESULT CFilteredIndexName::ClearFilter(WINSDB_FILTER_TYPE FilterType)
{
HRESULT hr = hrOK;
switch(FilterType)
{
case WINSDB_FILTER_BY_TYPE:
m_mapFilterTypes.RemoveAll();
break;
case WINSDB_FILTER_BY_OWNER:
m_dwaFilteredOwners.RemoveAll();
break;
case WINSDB_FILTER_BY_IPADDR:
m_taFilteredIp.RemoveAll();
break;
case WINSDB_FILTER_BY_NAME:
if (m_pchFilteredName != NULL)
{
delete m_pchFilteredName;
m_pchFilteredName = NULL;
}
break;
default:
Panic0("Invalid filter type passed to CFilteredIndexName::ClearFilter");
break;
}
return hr;
}
Reference in a new issue Copy permalink