12a621dc04
git-svn-id: https://svn.code.sf.net/p/flaim/code/trunk@1010 0109f412-320b-0410-ab79-c3e0c5ffbbe6
145 lines
3.4 KiB
C++
145 lines
3.4 KiB
C++
//------------------------------------------------------------------------------
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// Desc: This file contains the routines to initialize and set up
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// structures for indexing.
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// Tabs: 3
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//
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// Copyright (c) 1992-2000, 2002-2007 Novell, Inc. All Rights Reserved.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; version 2.1
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// of the License.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, contact Novell, Inc.
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//
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// To contact Novell about this file by physical or electronic mail,
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// you may find current contact information at www.novell.com.
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//
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// $Id$
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//------------------------------------------------------------------------------
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#include "flaimsys.h"
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/****************************************************************************
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Desc: Setup routine for the KREF_CNTRL structure for record updates.
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****************************************************************************/
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RCODE F_Db::krefCntrlCheck( void)
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{
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RCODE rc = NE_XFLM_OK;
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// Check if we need to flush keys between updates, but not during the
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// processing of an update.
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if( m_bKrefSetup)
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{
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if( isKrefOverThreshold() ||
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(m_pOldNodeList && m_pOldNodeList->getNodeCount()))
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{
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if (RC_BAD( rc = keysCommit( FALSE)))
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{
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goto Exit;
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}
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}
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}
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else
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{
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m_uiKrefCount = 0;
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m_uiTotalKrefBytes = 0;
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m_pKrefPool = NULL;
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m_bReuseKrefPool = FALSE;
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m_bKrefCompoundKey = FALSE;
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m_pKrefReset = NULL;
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m_bKrefSetup = TRUE;
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if (m_eTransType == XFLM_UPDATE_TRANS)
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{
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m_pKrefPool = &m_pDatabase->m_krefPool;
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m_bReuseKrefPool = TRUE;
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m_pKrefPool->poolReset( NULL, TRUE);
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}
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else
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{
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m_tmpKrefPool.poolFree();
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m_tmpKrefPool.poolInit( DEFAULT_KREF_POOL_BLOCK_SIZE);
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m_pKrefPool = &m_tmpKrefPool;
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m_bReuseKrefPool = FALSE;
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}
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if( !m_pKrefTbl)
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{
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if( RC_BAD( rc = f_alloc(
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DEFAULT_KREF_TBL_SIZE * sizeof( KREF_ENTRY *), &m_pKrefTbl)))
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{
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goto Exit;
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}
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m_uiKrefTblSize = DEFAULT_KREF_TBL_SIZE;
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}
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if( !m_pucKrefKeyBuf)
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{
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if (RC_BAD( rc = f_alloc( XFLM_MAX_KEY_SIZE, &m_pucKrefKeyBuf)))
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{
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goto Exit;
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}
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}
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}
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m_pKrefReset = m_pKrefPool->poolMark();
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flmAssert( m_pucKrefKeyBuf);
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Exit:
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if (RC_BAD( rc))
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{
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krefCntrlFree();
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}
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return( rc);
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}
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/****************************************************************************
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Desc: Frees the memory associated with the KREF
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****************************************************************************/
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void F_Db::krefCntrlFree( void)
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{
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if( m_bKrefSetup)
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{
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if( m_bReuseKrefPool)
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{
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m_pKrefPool->poolReset( NULL, TRUE);
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}
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else
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{
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m_pKrefPool->poolFree();
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m_pKrefPool->poolInit( DEFAULT_KREF_POOL_BLOCK_SIZE);
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}
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m_pKrefPool = NULL;
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if( m_pKrefTbl && m_uiKrefTblSize != DEFAULT_KREF_TBL_SIZE)
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{
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f_free( &m_pKrefTbl);
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m_uiKrefTblSize = 0;
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}
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m_uiKrefCount = 0;
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m_uiTotalKrefBytes = 0;
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m_bReuseKrefPool = FALSE;
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m_bKrefCompoundKey = FALSE;
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m_pKrefReset = NULL;
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m_bKrefSetup = FALSE;
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if (m_pOldNodeList)
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{
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m_pOldNodeList->resetList();
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}
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}
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}
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