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.
192 lines
7.8 KiB
192 lines
7.8 KiB
//+-------------------------------------------------------------------------
|
|
//
|
|
// Microsoft Windows
|
|
// Copyright (C) Microsoft Corporation, 1992 - 2000.
|
|
//
|
|
// File: idqreg.cxx
|
|
//
|
|
// Contents: CIdqRegParams class
|
|
//
|
|
// History: 22 Oct 97 AlanW Created from params.cxx
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
#include <pch.cxx>
|
|
#pragma hdrstop
|
|
|
|
#include <ciregkey.hxx>
|
|
#include <regacc.hxx>
|
|
#include <params.hxx>
|
|
|
|
|
|
const WCHAR * IS_DEFAULT_CATALOG_DIRECTORY = L"web";
|
|
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: CIdqRegParams::CIdqRegParams, public
|
|
//
|
|
// Synopsis: Constructor for registry param object
|
|
//
|
|
// Arguments: - NONE -
|
|
//
|
|
// History: 12-Oct-96 dlee Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
CIdqRegParams::CIdqRegParams( )
|
|
{
|
|
SetDefault();
|
|
|
|
Refresh( );
|
|
} //CIdqRegParams
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: CIdqRegVars::SetDefault, public
|
|
//
|
|
// Synopsis: Sets default values for registry params
|
|
//
|
|
// History: 12-Oct-96 dlee Added header
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
void CIdqRegVars::SetDefault()
|
|
{
|
|
_maxISRowsInResultSet = IS_MAX_ROWS_IN_RESULT_DEFAULT;
|
|
_maxISQueryCache = IS_MAX_ENTRIES_IN_CACHE_DEFAULT;
|
|
_ISFirstRowsInResultSet = IS_FIRST_ROWS_IN_RESULT_DEFAULT;
|
|
_ISCachePurgeInterval = IS_QUERY_CACHE_PURGE_INTERVAL_DEFAULT;
|
|
_ISRequestQueueSize = IS_QUERY_REQUEST_QUEUE_SIZE_DEFAULT;
|
|
_ISRequestThresholdFactor = IS_QUERY_REQUEST_THRESHOLD_FACTOR_DEFAULT;
|
|
_ISDateTimeFormatting = IS_QUERY_DATETIME_FORMATTING_DEFAULT;
|
|
_ISDateTimeLocal = IS_QUERY_DATETIME_LOCAL_DEFAULT;
|
|
_maxActiveQueryThreads = CI_MAX_ACTIVE_QUERY_THREADS_DEFAULT;
|
|
wcscpy( _awcISDefaultCatalog, IS_DEFAULT_CATALOG_DIRECTORY );
|
|
} //SetDefault
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: CIdqRegParams::_ReadAndOverrideValues, private
|
|
//
|
|
// Synopsis: Attempts to read values, with the default being the current
|
|
// value.
|
|
//
|
|
// History: 12-Oct-96 dlee created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
void CIdqRegParams::_ReadAndOverrideValues( CRegAccess & reg )
|
|
{
|
|
CIdqRegVars newVals;
|
|
|
|
newVals._maxISRowsInResultSet = reg.Read(wcsISMaxRecordsInResultSet, _maxISRowsInResultSet );
|
|
newVals._maxISQueryCache = reg.Read(wcsISMaxEntriesInQueryCache, _maxISQueryCache );
|
|
newVals._ISFirstRowsInResultSet = reg.Read(wcsISFirstRowsInResultSet, _ISFirstRowsInResultSet );
|
|
newVals._ISCachePurgeInterval = reg.Read(wcsISQueryCachePurgeInterval, _ISCachePurgeInterval );
|
|
newVals._ISRequestQueueSize = reg.Read(wcsISRequestQueueSize, _ISRequestQueueSize );
|
|
newVals._ISRequestThresholdFactor = reg.Read(wcsISRequestThresholdFactor, _ISRequestThresholdFactor );
|
|
newVals._ISDateTimeFormatting = reg.Read(wcsISDateTimeFormatting, _ISDateTimeFormatting );
|
|
newVals._ISDateTimeLocal = reg.Read(wcsISDateTimeLocal, _ISDateTimeLocal );
|
|
newVals._maxActiveQueryThreads = reg.Read(wcsMaxActiveQueryThreads, _maxActiveQueryThreads );
|
|
|
|
wcscpy( newVals._awcISDefaultCatalog, _awcISDefaultCatalog );
|
|
|
|
_StoreNewValues( newVals );
|
|
} //_ReadAndOverrideValues
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: CIdqRegParams::_ReadValues, private
|
|
//
|
|
// Synopsis: Reads values for variables
|
|
//
|
|
// History: 12-Oct-96 dlee Added header
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
void CIdqRegParams::_ReadValues(
|
|
CRegAccess & reg,
|
|
CIdqRegVars & vars )
|
|
{
|
|
vars._maxISRowsInResultSet = reg.Read(wcsISMaxRecordsInResultSet, IS_MAX_ROWS_IN_RESULT_DEFAULT);
|
|
vars._maxISQueryCache = reg.Read(wcsISMaxEntriesInQueryCache, IS_MAX_ENTRIES_IN_CACHE_DEFAULT);
|
|
vars._ISFirstRowsInResultSet = reg.Read(wcsISFirstRowsInResultSet, IS_FIRST_ROWS_IN_RESULT_DEFAULT);
|
|
vars._ISCachePurgeInterval = reg.Read(wcsISQueryCachePurgeInterval, IS_QUERY_CACHE_PURGE_INTERVAL_DEFAULT);
|
|
vars._ISRequestQueueSize = reg.Read(wcsISRequestQueueSize, IS_QUERY_REQUEST_QUEUE_SIZE_DEFAULT);
|
|
vars._ISRequestThresholdFactor = reg.Read(wcsISRequestThresholdFactor, IS_QUERY_REQUEST_THRESHOLD_FACTOR_DEFAULT);
|
|
vars._ISDateTimeFormatting = reg.Read(wcsISDateTimeFormatting, IS_QUERY_DATETIME_FORMATTING_DEFAULT);
|
|
vars._ISDateTimeLocal = reg.Read(wcsISDateTimeLocal, IS_QUERY_DATETIME_LOCAL_DEFAULT);
|
|
vars._maxActiveQueryThreads = reg.Read(wcsMaxActiveQueryThreads, CI_MAX_ACTIVE_QUERY_THREADS_DEFAULT);
|
|
|
|
XPtrST<WCHAR> xwszISDefaultCatalog( reg.Read(wcsISDefaultCatalogDirectory, IS_DEFAULT_CATALOG_DIRECTORY) );
|
|
wcsncpy( vars._awcISDefaultCatalog, xwszISDefaultCatalog.GetPointer(), MAX_PATH );
|
|
} //_ReadValues
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: CIdqRegVars::_StoreNewValues, private
|
|
//
|
|
// Synopsis: Transfers range-checked values
|
|
//
|
|
// History: 12-Oct-96 dlee Added header
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
void CIdqRegParams::_StoreNewValues(CIdqRegVars & vars )
|
|
{
|
|
InterlockedExchange( (long *) &_maxISRowsInResultSet, Range( vars._maxISRowsInResultSet, IS_MAX_ROWS_IN_RESULT_MIN, IS_MAX_ROWS_IN_RESULT_MAX ) );
|
|
InterlockedExchange( (long *) &_maxISQueryCache, Range( vars._maxISQueryCache, IS_MAX_ENTRIES_IN_CACHE_MIN, IS_MAX_ENTRIES_IN_CACHE_MAX ) );
|
|
InterlockedExchange( (long *) &_ISFirstRowsInResultSet, Range( vars._ISFirstRowsInResultSet, IS_FIRST_ROWS_IN_RESULT_MIN, IS_FIRST_ROWS_IN_RESULT_MAX ) );
|
|
InterlockedExchange( (long *) &_ISCachePurgeInterval, Range( vars._ISCachePurgeInterval, IS_QUERY_CACHE_PURGE_INTERVAL_MIN, IS_QUERY_CACHE_PURGE_INTERVAL_MAX ) );
|
|
InterlockedExchange( (long *) &_ISRequestQueueSize, Range( vars._ISRequestQueueSize, IS_QUERY_REQUEST_QUEUE_SIZE_MIN, IS_QUERY_REQUEST_QUEUE_SIZE_MAX ) );
|
|
InterlockedExchange( (long *) &_ISRequestThresholdFactor, Range( vars._ISRequestThresholdFactor, IS_QUERY_REQUEST_THRESHOLD_FACTOR_MIN, IS_QUERY_REQUEST_THRESHOLD_FACTOR_MAX ) );
|
|
InterlockedExchange( (long *) &_ISDateTimeFormatting, Range( vars._ISDateTimeFormatting, IS_QUERY_DATETIME_FORMATTING_MIN, IS_QUERY_DATETIME_FORMATTING_MAX ) );
|
|
InterlockedExchange( (long *) &_ISDateTimeLocal, vars._ISDateTimeLocal );
|
|
InterlockedExchange( (long *) &_maxActiveQueryThreads, Range( vars._maxActiveQueryThreads, CI_MAX_ACTIVE_QUERY_THREADS_MIN, CI_MAX_ACTIVE_QUERY_THREADS_MAX ) );
|
|
|
|
wcscpy( _awcISDefaultCatalog, vars._awcISDefaultCatalog );
|
|
} //_StoreNewValues
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: CIdqRegParams::Refresh, public
|
|
//
|
|
// Synopsis: Reads the values from the registry
|
|
//
|
|
// History: 12-Oct-96 dlee Added header, reorganized
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
void CIdqRegParams::Refresh(
|
|
BOOL fUseDefaultsOnFailure )
|
|
{
|
|
// Grab the lock so no other writers try to update at the same time
|
|
|
|
CIdqRegVars newVals;
|
|
CLock lock( _mutex );
|
|
|
|
TRY
|
|
{
|
|
// Query the registry.
|
|
|
|
CRegAccess regAdmin( RTL_REGISTRY_CONTROL, wcsRegAdmin );
|
|
|
|
_ReadValues( regAdmin, newVals );
|
|
_StoreNewValues( newVals );
|
|
}
|
|
CATCH (CException, e)
|
|
{
|
|
// Only store defaults when told to do so -- the params
|
|
// are still in good shape at this point and are more
|
|
// accurate than the default settings.
|
|
|
|
if ( fUseDefaultsOnFailure )
|
|
{
|
|
newVals.SetDefault();
|
|
_StoreNewValues( newVals );
|
|
}
|
|
}
|
|
END_CATCH
|
|
} //Refresh
|
|
|