Renamed version4 to flaim and version5 to xflaim
git-svn-id: https://svn.code.sf.net/p/flaim/code/trunk@7 0109f412-320b-0410-ab79-c3e0c5ffbbe6
This commit is contained in:
dsandersoremutah
744
flaim/src/flcreate.cpp
Normal file
744
flaim/src/flcreate.cpp
Normal file
@@ -0,0 +1,744 @@
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//-------------------------------------------------------------------------
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// Desc: Create database.
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// Tabs: 3
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//
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// Copyright (c) 1990-2006 Novell, Inc. All Rights Reserved.
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of version 2 of the GNU General Public
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// License as published by the Free Software Foundation.
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//
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// This program 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
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// GNU General Public License for more details.
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//
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||||
// You should have received a copy of the GNU General Public License
|
||||
// along with this program; 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: flcreate.cpp 12329 2006-01-20 17:49:30 -0700 (Fri, 20 Jan 2006) ahodgkinson $
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//-------------------------------------------------------------------------
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#include "flaimsys.h"
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FSTATIC RCODE flmInitNewFile(
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FDB * pDb,
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const char * pszRflDir,
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const char * pszDictFileName,
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const char * pszDictBuf,
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CREATE_OPTS * pCreateOpts,
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FLMUINT uiTransID);
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FSTATIC RCODE flmInitFileHdrs(
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FDB * pDb,
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CREATE_OPTS * pCreateOpts,
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FLMUINT uiBlkSize,
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FLMUINT uiTransID,
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FLMBYTE * pInitBuf,
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FLMUINT uiBufSize);
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|
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/*API~***********************************************************************
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Desc : Creates a new FLAIM database.
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*END************************************************************************/
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RCODE FlmDbCreate(
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const char * pszDbFileName,
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const char * pszDataDir,
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const char * pszRflDir,
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const char * pszDictFileName,
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const char * pszDictBuf,
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CREATE_OPTS * pCreateOpts,
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HFDB * phDbRV)
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{
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RCODE rc = FERR_OK;
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CS_CONTEXT * pCSContext;
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*phDbRV = HFDB_NULL;
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if( !pszDbFileName || !pszDbFileName[ 0])
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{
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rc = RC_SET( FERR_IO_INVALID_PATH);
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goto Exit;
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}
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if (RC_BAD( rc = flmGetCSConnection(
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pszDbFileName, &pCSContext)))
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{
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goto Exit;
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}
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||||
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if (pCSContext)
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{
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if( RC_BAD( rc = flmOpenOrCreateDbClientServer( pszDbFileName,
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pszDataDir, pszRflDir, 0, pszDictFileName,
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pszDictBuf, pCreateOpts, FALSE, pCSContext, (FDB_p *)phDbRV)))
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{
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(void)flmCloseCSConnection( &pCSContext);
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}
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goto Exit;
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||||
}
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if( RC_BAD( rc = flmCreateNewFile( pszDbFileName, pszDataDir, pszRflDir,
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pszDictFileName, pszDictBuf, pCreateOpts,
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||||
0, (FDB_p *)phDbRV)))
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{
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goto Exit;
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}
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||||
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Exit:
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||||
|
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return( rc);
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}
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/****************************************************************************
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Desc: This routine creates a FLAIM file.
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****************************************************************************/
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RCODE flmCreateNewFile(
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const char * pszFilePath,
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const char * pszDataDir,
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const char * pszRflDir,
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const char * pszDictFileName,
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const char * pszDictBuf,
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CREATE_OPTS * pCreateOpts,
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FLMUINT uiTransID,
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FDB_p * ppDb,
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REBUILD_STATE * pRebuildState)
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{
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||||
RCODE rc = FERR_OK;
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FDB * pDb;
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FFILE * pFile;
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FLMBOOL bFileCreated = FALSE;
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FLMBOOL bNewFile = FALSE;
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FLMBOOL bAllocatedFdb = FALSE;
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FLMBOOL bMutexLocked = FALSE;
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*ppDb = NULL;
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#ifndef FLM_USE_NICI
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F_UNREFERENCED_PARM( pRebuildState);
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#endif
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// Allocate and initialize an FDB structure.
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||||
if (RC_BAD( rc = flmAllocFdb( ppDb)))
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{
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goto Exit;
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}
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pDb = *ppDb;
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bAllocatedFdb = TRUE;
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f_mutexLock( gv_FlmSysData.hShareMutex);
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bMutexLocked = TRUE;
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// Free any unused structures that have been unused for the maximum
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// amount of time. May unlock and re-lock the global mutex.
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flmCheckNUStructs( 0);
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for( ;;)
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{
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// See if we already have the file open.
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// May unlock and re-lock the global mutex.
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if (RC_BAD( rc = flmFindFile( pszFilePath, pszDataDir, &pFile)))
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{
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goto Exit;
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}
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// Didn't find the file
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if( !pFile)
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{
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break;
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}
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// See if file is being used, is being opened, or has any dependent
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// files being used.
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if (pFile->uiUseCount || (pFile->uiFlags & DBF_BEING_OPENED))
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{
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rc = RC_SET( FERR_IO_ACCESS_DENIED);
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goto Exit;
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}
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// Free the FFILE structure. May temporarily unlock the global mutex.
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// For this reason, we must call flmFindFile again (see above) after
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// calling flmFreeFile.
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flmFreeFile( pFile);
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pFile = NULL;
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}
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// Allocate a new FFILE structure.
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if (RC_BAD( rc = flmAllocFile( pszFilePath, pszDataDir, NULL, &pFile)))
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||||
{
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goto Exit;
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}
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bNewFile = TRUE;
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||||
// Link the FDB to the file.
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rc = flmLinkFdbToFile( pDb, pFile);
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f_mutexUnlock( gv_FlmSysData.hShareMutex);
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||||
bMutexLocked = FALSE;
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if (RC_BAD( rc))
|
||||
{
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||||
goto Exit;
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||||
}
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||||
|
||||
// If the file has not already been created, do so now.
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||||
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||||
// Determine what to set file block size to.
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||||
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if (pCreateOpts != NULL)
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||||
{
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pDb->pSFileHdl->SetBlockSize(
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flmAdjustBlkSize( pCreateOpts->uiBlockSize));
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pDb->pSFileHdl->SetDbVersion( pCreateOpts->uiVersionNum);
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}
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else
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{
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pDb->pSFileHdl->SetBlockSize( DEFAULT_BLKSIZ);
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pDb->pSFileHdl->SetDbVersion( FLM_CURRENT_VERSION_NUM);
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}
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#ifdef FLM_USE_NICI
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// Create a new F_CCS object for the database wrapping key if the new
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// database version is at least ver 4.60
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if (!pCreateOpts || pCreateOpts->uiVersionNum >= FLM_VER_4_60)
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{
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if ((pFile->pDbWrappingKey = f_new F_CCS) == NULL)
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{
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rc = RC_SET( FERR_MEM);
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goto Exit;
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}
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if (RC_BAD( rc = pFile->pDbWrappingKey->init( TRUE,
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||||
FLM_NICI_AES)))
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||||
{
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||||
goto Exit;
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}
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||||
// Only generate a key when this is not part of a rebuild operation or
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// the original database version was less than 4.60
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if (!pRebuildState ||
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pRebuildState->pHdrInfo->FileHdr.uiVersionNum < FLM_VER_4_60)
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{
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if (RC_BAD( rc = pFile->pDbWrappingKey->generateWrappingKey()))
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{
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goto Exit;
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}
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}
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else
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{
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if( RC_BAD( rc = pFile->pDbWrappingKey->setKeyFromStore(
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&pRebuildState->pLogHdr[LOG_DATABASE_KEY],
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FB2UW(&pRebuildState->pLogHdr[LOG_DATABASE_KEY_LEN]),
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NULL, NULL, FALSE)))
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{
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goto Exit;
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}
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}
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pFile->bHaveEncKey = TRUE;
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}
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#endif
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if (RC_OK( gv_FlmSysData.pFileSystem->Exists( pszFilePath)))
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||||
{
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||||
rc = RC_SET( FERR_FILE_EXISTS);
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||||
goto Exit;
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||||
}
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||||
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// Create the .db file.
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||||
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||||
if( RC_BAD( rc = pDb->pSFileHdl->CreateFile( 0)))
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||||
{
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||||
goto Exit;
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||||
}
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||||
bFileCreated = TRUE;
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||||
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||||
(void)flmStatGetDb( &pDb->Stats, pFile,
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||||
0, &pDb->pDbStats, NULL, NULL);
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||||
// We must have exclusive access. Create a lock file for that
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||||
// purpose, if there is not already a lock file.
|
||||
|
||||
if( RC_BAD( rc = flmGetExclAccess( pszFilePath, pDb)))
|
||||
{
|
||||
goto Exit;
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||||
}
|
||||
|
||||
if( RC_BAD( rc = flmInitNewFile( pDb, pszRflDir, pszDictFileName,
|
||||
pszDictBuf, pCreateOpts, uiTransID)))
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||||
{
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||||
goto Exit;
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||||
}
|
||||
|
||||
// Set FFILE stuff to same state as a completed checkpoint.
|
||||
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||||
pFile->uiFirstLogCPBlkAddress = 0;
|
||||
pFile->uiLastCheckpointTime = (FLMUINT)FLM_GET_TIMER();
|
||||
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||||
// Create a checkpoint thread
|
||||
|
||||
if( RC_BAD( rc = flmStartCPThread( pFile)))
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||||
{
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||||
goto Exit;
|
||||
}
|
||||
|
||||
Exit:
|
||||
|
||||
if( bMutexLocked)
|
||||
{
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||||
f_mutexUnlock( gv_FlmSysData.hShareMutex);
|
||||
}
|
||||
|
||||
rc = flmCompleteOpenOrCreate( ppDb, rc, bNewFile, bAllocatedFdb);
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||||
|
||||
if( RC_BAD( rc))
|
||||
{
|
||||
if( bFileCreated)
|
||||
{
|
||||
(void)gv_FlmSysData.pFileSystem->Delete( pszFilePath);
|
||||
}
|
||||
|
||||
*ppDb = NULL;
|
||||
}
|
||||
|
||||
return( rc);
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
Desc: Create a database - initialize all physical areas & data dictionary.
|
||||
****************************************************************************/
|
||||
FSTATIC RCODE flmInitNewFile(
|
||||
FDB * pDb,
|
||||
const char * pszRflDir,
|
||||
const char * pszDictFileName,
|
||||
const char * pszDictBuf,
|
||||
CREATE_OPTS * pCreateOpts,
|
||||
FLMUINT uiTransID)
|
||||
{
|
||||
RCODE rc = FERR_OK;
|
||||
FLMBYTE * pBuf = NULL;
|
||||
FFILE * pFile = pDb->pFile;
|
||||
FLMUINT uiBlkSize;
|
||||
FLMUINT uiBufSize;
|
||||
FLMUINT bTransStarted = FALSE;
|
||||
|
||||
// Determine what size of buffer to allocate.
|
||||
|
||||
if (pCreateOpts != NULL)
|
||||
{
|
||||
uiBlkSize = flmAdjustBlkSize( pCreateOpts->uiBlockSize);
|
||||
}
|
||||
else
|
||||
{
|
||||
uiBlkSize = DEFAULT_BLKSIZ;
|
||||
}
|
||||
|
||||
// Initialize the database file header.
|
||||
|
||||
// Allocate a buffer to use - must be AT LEAST 2K.
|
||||
|
||||
uiBufSize = (FLMUINT)((uiBlkSize < 2048)
|
||||
? (FLMUINT)2048
|
||||
: (FLMUINT)uiBlkSize);
|
||||
if (RC_BAD( rc = f_calloc( uiBufSize, &pBuf)))
|
||||
{
|
||||
goto Exit;
|
||||
}
|
||||
|
||||
if (RC_BAD( rc = flmInitFileHdrs( pDb, pCreateOpts, uiBlkSize,
|
||||
uiTransID, pBuf, uiBufSize)))
|
||||
{
|
||||
goto Exit;
|
||||
}
|
||||
|
||||
// Free the buffer before returning.
|
||||
|
||||
f_free( &pBuf);
|
||||
|
||||
// Allocate the pRfl object. Could not do this until this point
|
||||
// because we need to have the version number, block size, etc.
|
||||
// setup in the pFile->FileHdr.
|
||||
|
||||
flmAssert( !pFile->pRfl);
|
||||
if ((pFile->pRfl = f_new F_Rfl) == NULL)
|
||||
{
|
||||
rc = RC_SET( FERR_MEM);
|
||||
goto Exit;
|
||||
}
|
||||
|
||||
if (RC_BAD( rc = pFile->pRfl->setup( pFile, pszRflDir)))
|
||||
{
|
||||
goto Exit;
|
||||
}
|
||||
|
||||
// Setup the FFILE's ECache object
|
||||
|
||||
flmAssert( pFile->pECacheMgr == NULL);
|
||||
if( gv_FlmSysData.bOkToUseESM)
|
||||
{
|
||||
if( (pFile->pECacheMgr = f_new FlmECache) == NULL)
|
||||
{
|
||||
rc = RC_SET( FERR_MEM);
|
||||
goto Exit;
|
||||
}
|
||||
|
||||
if( !pFile->pECacheMgr->setupECache(
|
||||
pFile->FileHdr.uiBlockSize, pFile->uiMaxFileSize))
|
||||
{
|
||||
pFile->pECacheMgr->Release();
|
||||
pFile->pECacheMgr = NULL;
|
||||
}
|
||||
else
|
||||
{
|
||||
// Normally the ECacheMgr is set in flmLinkFdbToFile but
|
||||
// we have to handle this special case here. When this
|
||||
// FDB was linked there was no ECacheMgr.
|
||||
|
||||
flmAssert( pDb->pSFileHdl != NULL);
|
||||
pDb->pSFileHdl->setECacheMgr( pFile->pECacheMgr);
|
||||
}
|
||||
}
|
||||
|
||||
// The following code starts an update transaction on the new DB so
|
||||
// we can get it built.
|
||||
|
||||
if (RC_BAD( rc = flmBeginDbTrans( pDb, FLM_UPDATE_TRANS, 0)))
|
||||
{
|
||||
goto Exit;
|
||||
}
|
||||
bTransStarted = TRUE;
|
||||
|
||||
if( RC_BAD( rc = fdictCreate( pDb, pszDictFileName, pszDictBuf)))
|
||||
{
|
||||
goto Exit;
|
||||
}
|
||||
|
||||
// Because the checkpoint thread has not yet been created,
|
||||
// flmCommitDbTrans will force a checkpoint when it completes,
|
||||
// ensuring a consistent database state.
|
||||
|
||||
if (RC_BAD( rc = flmCommitDbTrans( pDb, 0, TRUE)))
|
||||
{
|
||||
goto Exit;
|
||||
}
|
||||
bTransStarted = FALSE;
|
||||
|
||||
Exit:
|
||||
|
||||
// Free the temporary buffer, if one was allocated.
|
||||
|
||||
if (pBuf)
|
||||
{
|
||||
f_free( &pBuf);
|
||||
}
|
||||
|
||||
if (bTransStarted)
|
||||
{
|
||||
(void)flmAbortDbTrans( pDb);
|
||||
}
|
||||
|
||||
return( rc);
|
||||
}
|
||||
|
||||
/***************************************************************************
|
||||
Desc: This routine initializes a new database file. The first block
|
||||
in the file is strictly for prefix and other fixed information
|
||||
about the file. After the prefix, we initialize the fixed log
|
||||
segment. Finally, we initialize the first database block --
|
||||
which contains the physical file header record.
|
||||
*****************************************************************************/
|
||||
FSTATIC RCODE flmInitFileHdrs(
|
||||
FDB * pDb,
|
||||
CREATE_OPTS * pCreateOpts,
|
||||
FLMUINT uiBlkSize,
|
||||
FLMUINT uiTransID,
|
||||
FLMBYTE * pInitBuf,
|
||||
FLMUINT uiBufSize)
|
||||
{
|
||||
RCODE rc = FERR_OK;
|
||||
FFILE_p pFile = pDb->pFile;
|
||||
FLMBYTE * pucLastCommittedLogHdr;
|
||||
FLMUINT uiLogicalEOF;
|
||||
FLMUINT uiWriteBytes;
|
||||
FLMUINT uiMinRflFileSize;
|
||||
FLMUINT uiMaxRflFileSize;
|
||||
FLMBYTE * pucBuf = NULL;
|
||||
|
||||
// Initialize the FFILE structure and first 2048 bytes/blk of the file.
|
||||
|
||||
f_memset( pInitBuf, 0, uiBlkSize);
|
||||
flmInitFileHdrInfo( pCreateOpts, &pFile->FileHdr,
|
||||
&pInitBuf [FLAIM_HEADER_START]);
|
||||
if (pCreateOpts)
|
||||
{
|
||||
flmSetFilePrefix( pInitBuf, pCreateOpts->uiAppMajorVer,
|
||||
pCreateOpts->uiAppMinorVer);
|
||||
}
|
||||
else
|
||||
{
|
||||
flmSetFilePrefix( pInitBuf, 0, 0);
|
||||
}
|
||||
|
||||
if (RC_BAD( rc = pDb->pSFileHdl->WriteHeader( 0L, uiBlkSize,
|
||||
pInitBuf, &uiWriteBytes)))
|
||||
{
|
||||
goto Exit;
|
||||
}
|
||||
|
||||
// Set the logical EOF.
|
||||
// Reserve two blocks for pre-4.3 - one for LFH, one for PCODE
|
||||
// Reserve only room for LFH in 4.3 and above.
|
||||
|
||||
uiLogicalEOF = (FLMUINT)((pFile->FileHdr.uiVersionNum >=
|
||||
FLM_VER_4_3)
|
||||
? (FLMUINT)pFile->FileHdr.uiFirstLFHBlkAddr +
|
||||
uiBlkSize
|
||||
: (FLMUINT)pFile->FileHdr.uiFirstLFHBlkAddr +
|
||||
uiBlkSize * 2);
|
||||
|
||||
// Initialize and output the log header.
|
||||
|
||||
pucLastCommittedLogHdr = &pFile->ucLastCommittedLogHdr [0];
|
||||
f_memset( pucLastCommittedLogHdr, 0, LOG_HEADER_SIZE);
|
||||
|
||||
UD2FBA( (FLMUINT32)uiTransID,
|
||||
&pucLastCommittedLogHdr [LOG_CURR_TRANS_ID]);
|
||||
|
||||
UD2FBA( (FLMUINT32)1, &pucLastCommittedLogHdr [LOG_RFL_FILE_NUM]);
|
||||
|
||||
// Putting a zero in this value tells the RFL code that the
|
||||
// RFL file should be created - overwriting it if it already
|
||||
// exists.
|
||||
|
||||
UD2FBA( (FLMUINT32)0, &pucLastCommittedLogHdr [LOG_RFL_LAST_TRANS_OFFSET]);
|
||||
UD2FBA( (FLMUINT32)1, &pucLastCommittedLogHdr [LOG_RFL_LAST_CP_FILE_NUM]);
|
||||
UD2FBA( (FLMUINT32)512, &pucLastCommittedLogHdr [LOG_RFL_LAST_CP_OFFSET]);
|
||||
UD2FBA( (FLMUINT32)0, &pucLastCommittedLogHdr [LOG_LAST_RFL_FILE_DELETED]);
|
||||
pucLastCommittedLogHdr [LOG_KEEP_RFL_FILES] =
|
||||
(FLMBYTE)((pCreateOpts && pCreateOpts->bKeepRflFiles)
|
||||
? (FLMBYTE)1
|
||||
: (FLMBYTE)0);
|
||||
pucLastCommittedLogHdr [LOG_AUTO_TURN_OFF_KEEP_RFL] = 0;
|
||||
pucLastCommittedLogHdr [LOG_KEEP_ABORTED_TRANS_IN_RFL] =
|
||||
(FLMBYTE)((pCreateOpts && pCreateOpts->bLogAbortedTransToRfl)
|
||||
? (FLMBYTE)1
|
||||
: (FLMBYTE)0);
|
||||
UD2FBA( ((FLMUINT32)uiBlkSize),
|
||||
&pucLastCommittedLogHdr [LOG_ROLLBACK_EOF]);
|
||||
UD2FBA( (FLMUINT32)0,
|
||||
&pucLastCommittedLogHdr [LOG_PL_FIRST_CP_BLOCK_ADDR]);
|
||||
UW2FBA( (FLMUINT16) pDb->pFile->FileHdr.uiVersionNum,
|
||||
&pucLastCommittedLogHdr [LOG_FLAIM_VERSION]);
|
||||
|
||||
uiMinRflFileSize = (FLMUINT)((pCreateOpts &&
|
||||
pCreateOpts->uiMinRflFileSize)
|
||||
? pCreateOpts->uiMinRflFileSize
|
||||
: (FLMUINT)DEFAULT_MIN_RFL_FILE_SIZE);
|
||||
|
||||
if( pDb->pFile->FileHdr.uiVersionNum >= FLM_VER_4_3)
|
||||
{
|
||||
FLMUINT16 ui16Tmp;
|
||||
|
||||
uiMaxRflFileSize = (FLMUINT)((pCreateOpts &&
|
||||
pCreateOpts->uiMaxRflFileSize)
|
||||
? pCreateOpts->uiMaxRflFileSize
|
||||
: (FLMUINT)DEFAULT_MAX_RFL_FILE_SIZE);
|
||||
|
||||
// Make sure the RFL size limits are valid.
|
||||
// Maximum must be enough to hold at least one packet plus
|
||||
// the RFL header. Minimum must not be greater than the
|
||||
// maximum. NOTE: Minimum and maximum are allowed to be
|
||||
// equal, but in all cases, maximum takes precedence over
|
||||
// minimum. We will first NOT exceed the maximum. Then,
|
||||
// if possible, we will go above the minimum.
|
||||
|
||||
if (uiMaxRflFileSize < RFL_MAX_PACKET_SIZE + 512)
|
||||
{
|
||||
uiMaxRflFileSize = RFL_MAX_PACKET_SIZE + 512;
|
||||
}
|
||||
if (uiMaxRflFileSize > gv_FlmSysData.uiMaxFileSize)
|
||||
{
|
||||
uiMaxRflFileSize = gv_FlmSysData.uiMaxFileSize;
|
||||
}
|
||||
if (uiMinRflFileSize > uiMaxRflFileSize)
|
||||
{
|
||||
uiMinRflFileSize = uiMaxRflFileSize;
|
||||
}
|
||||
UD2FBA( (FLMUINT32)uiMinRflFileSize,
|
||||
&pucLastCommittedLogHdr [LOG_RFL_MIN_FILE_SIZE]);
|
||||
UD2FBA( (FLMUINT32)uiMaxRflFileSize,
|
||||
&pucLastCommittedLogHdr [LOG_RFL_MAX_FILE_SIZE]);
|
||||
|
||||
// Set the database serial number
|
||||
|
||||
f_createSerialNumber(
|
||||
&pucLastCommittedLogHdr[ LOG_DB_SERIAL_NUM]);
|
||||
|
||||
// Set the "current" RFL serial number - will be stamped into the RFL
|
||||
// file when it is first created.
|
||||
|
||||
f_createSerialNumber(
|
||||
&pucLastCommittedLogHdr[ LOG_LAST_TRANS_RFL_SERIAL_NUM]);
|
||||
|
||||
// Set the "next" RFL serial number
|
||||
|
||||
f_createSerialNumber(
|
||||
&pucLastCommittedLogHdr[ LOG_RFL_NEXT_SERIAL_NUM]);
|
||||
|
||||
// Set the incremental backup serial number and sequence number
|
||||
|
||||
f_createSerialNumber(
|
||||
&pucLastCommittedLogHdr[ LOG_INC_BACKUP_SERIAL_NUM]);
|
||||
|
||||
UD2FBA( 1, &pucLastCommittedLogHdr[ LOG_INC_BACKUP_SEQ_NUM]);
|
||||
|
||||
// Set the file size limits
|
||||
|
||||
pFile->uiMaxFileSize = gv_FlmSysData.uiMaxFileSize;
|
||||
ui16Tmp = (FLMUINT16)(gv_FlmSysData.uiMaxFileSize >> 16);
|
||||
UW2FBA( ui16Tmp, &pucLastCommittedLogHdr [LOG_MAX_FILE_SIZE]);
|
||||
}
|
||||
else
|
||||
{
|
||||
UD2FBA( (FLMUINT32)uiMinRflFileSize,
|
||||
&pucLastCommittedLogHdr [LOG_RFL_MIN_FILE_SIZE]);
|
||||
pFile->uiMaxFileSize = MAX_FILE_SIZE_VER40;
|
||||
}
|
||||
|
||||
// The defines better not have changed to be less than two blocks - in
|
||||
// case we create more than one block below.
|
||||
|
||||
flmAssert( pFile->uiMaxFileSize >=
|
||||
pFile->FileHdr.uiBlockSize * 2);
|
||||
|
||||
// Create the first block file.
|
||||
|
||||
if (RC_BAD( rc = pDb->pSFileHdl->CreateFile( 1)))
|
||||
{
|
||||
goto Exit;
|
||||
}
|
||||
|
||||
// The following 0xFFFF initializations are done to make this four
|
||||
// bytes compatible with how it used to be initialized. These bytes
|
||||
// will ALWAYS be set to something else when the log header is
|
||||
// written out.
|
||||
|
||||
UW2FBA( (FLMUINT16)0xFFFF,
|
||||
&pucLastCommittedLogHdr [LOG_HDR_CHECKSUM]);
|
||||
UD2FBA( (FLMUINT32)BT_END,
|
||||
&pucLastCommittedLogHdr [LOG_PF_FIRST_BACKCHAIN]);
|
||||
UD2FBA( (FLMUINT32)BT_END,
|
||||
&pucLastCommittedLogHdr [LOG_PF_AVAIL_BLKS]);
|
||||
UD2FBA( (FLMUINT32)uiLogicalEOF,
|
||||
&pucLastCommittedLogHdr [LOG_LOGICAL_EOF]);
|
||||
|
||||
// Write out the database wrapping key
|
||||
if (pDb->pFile->pDbWrappingKey)
|
||||
{
|
||||
FLMUINT32 ui32KeyLen = 0;
|
||||
|
||||
if (RC_BAD( rc = pDb->pFile->pDbWrappingKey->getKeyToStore(
|
||||
&pucBuf, &ui32KeyLen, NULL, NULL, FALSE)))
|
||||
{
|
||||
goto Exit;
|
||||
}
|
||||
// IMPORTANT NOTE: pucBuf must be freed before going to Exit!!!
|
||||
|
||||
// Assert that the field in the log header is long enough to
|
||||
// hold the key. Note: This test is only valid if the key
|
||||
// field is the last one in the log header!!
|
||||
flmAssert( ui32KeyLen <= (LOG_HEADER_SIZE - LOG_DATABASE_KEY));
|
||||
|
||||
UW2FBA(ui32KeyLen, &pucLastCommittedLogHdr[LOG_DATABASE_KEY_LEN]);
|
||||
f_memcpy( &pucLastCommittedLogHdr[LOG_DATABASE_KEY], pucBuf,
|
||||
ui32KeyLen);
|
||||
f_free( &pucBuf);
|
||||
}
|
||||
|
||||
if (RC_BAD( rc = flmWriteLogHdr( pDb->pDbStats, pDb->pSFileHdl,
|
||||
pFile, pucLastCommittedLogHdr, NULL, TRUE)))
|
||||
{
|
||||
goto Exit;
|
||||
}
|
||||
|
||||
// Copy the log header to the ucCheckpointLogHdr buffer.
|
||||
// This is now the first official checkpoint version of the log
|
||||
// header. It must be copied to the ucCheckpointLogHdr buffer so that
|
||||
// it will not be lost in subsequent calls to flmWriteLogHdr.
|
||||
|
||||
f_memcpy( pFile->ucCheckpointLogHdr, pucLastCommittedLogHdr,
|
||||
LOG_HEADER_SIZE);
|
||||
|
||||
// Initialize and output the first LFH block
|
||||
|
||||
f_memset( pInitBuf, 0, uiBlkSize);
|
||||
SET_BH_ADDR( pInitBuf, pFile->FileHdr.uiFirstLFHBlkAddr);
|
||||
pInitBuf [BH_TYPE] = BHT_LFH_BLK;
|
||||
UD2FBA( (FLMUINT32)BT_END, &pInitBuf [BH_PREV_BLK]);
|
||||
UD2FBA( (FLMUINT32)BT_END, &pInitBuf [BH_NEXT_BLK]);
|
||||
UW2FBA( (FLMUINT16)BH_OVHD, &pInitBuf [BH_ELM_END]);
|
||||
UD2FBA( (FLMUINT32)uiTransID, &pInitBuf [BH_TRANS_ID]);
|
||||
|
||||
BlkCheckSum( pInitBuf, CHECKSUM_SET,
|
||||
pFile->FileHdr.uiFirstLFHBlkAddr,
|
||||
uiBlkSize);
|
||||
pDb->pSFileHdl->setMaxAutoExtendSize( pFile->uiMaxFileSize);
|
||||
pDb->pSFileHdl->setExtendSize( pFile->uiFileExtendSize);
|
||||
if (RC_BAD( rc = pDb->pSFileHdl->WriteBlock(
|
||||
pFile->FileHdr.uiFirstLFHBlkAddr,
|
||||
uiBlkSize, pInitBuf, uiBufSize, NULL,
|
||||
&uiWriteBytes)))
|
||||
{
|
||||
goto Exit;
|
||||
}
|
||||
|
||||
// Initialize and output the first pcode block.
|
||||
|
||||
if (pFile->FileHdr.uiVersionNum < FLM_VER_4_3)
|
||||
{
|
||||
FLMUINT uiPcodeAddr;
|
||||
|
||||
f_memset( pInitBuf, 0, uiBlkSize);
|
||||
uiPcodeAddr = pFile->FileHdr.uiFirstLFHBlkAddr + uiBlkSize;
|
||||
SET_BH_ADDR( pInitBuf, uiPcodeAddr);
|
||||
pInitBuf [BH_TYPE] = BHT_PCODE_BLK;
|
||||
UD2FBA( (FLMUINT32)BT_END, &pInitBuf [BH_PREV_BLK]);
|
||||
UD2FBA( (FLMUINT32)BT_END, &pInitBuf [BH_NEXT_BLK]);
|
||||
UW2FBA( (FLMUINT16)BH_OVHD, &pInitBuf [BH_ELM_END]);
|
||||
UD2FBA( (FLMUINT32)uiTransID, &pInitBuf [BH_TRANS_ID]);
|
||||
|
||||
BlkCheckSum( pInitBuf, CHECKSUM_SET, uiPcodeAddr, uiBlkSize);
|
||||
pDb->pSFileHdl->setMaxAutoExtendSize( pFile->uiMaxFileSize);
|
||||
pDb->pSFileHdl->setExtendSize( pFile->uiFileExtendSize);
|
||||
if (RC_BAD( rc = pDb->pSFileHdl->WriteBlock( uiPcodeAddr,
|
||||
uiBlkSize, pInitBuf, uiBufSize, NULL,
|
||||
&uiWriteBytes)))
|
||||
{
|
||||
goto Exit;
|
||||
}
|
||||
}
|
||||
|
||||
// Force things to disk.
|
||||
|
||||
if (RC_BAD( rc = pDb->pSFileHdl->Flush()))
|
||||
{
|
||||
goto Exit;
|
||||
}
|
||||
Exit:
|
||||
if (pucBuf)
|
||||
{
|
||||
f_free( &pucBuf);
|
||||
}
|
||||
return( rc);
|
||||
}
|
||||
Reference in New Issue
Block a user