ffe3cb6975
git-svn-id: https://svn.code.sf.net/p/flaim/code/trunk@482 0109f412-320b-0410-ab79-c3e0c5ffbbe6
412 lines
10 KiB
C
412 lines
10 KiB
C
//------------------------------------------------------------------------------
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// Desc: Various macros, prototypes, structures.
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//
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// Tabs: 3
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//
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// Copyright (c) 1990-1993, 1995-2006 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
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// 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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// $Id$
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//------------------------------------------------------------------------------
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#ifndef FILESYS_H
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#define FILESYS_H
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/***************************************************************
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**
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** Defined Constants that the File system cares about
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**
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****************************************************************/
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#define MAX_DATA_BLOCK_FILE_NUMBER 0x7FF
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#define FIRST_LOG_BLOCK_FILE_NUMBER (MAX_DATA_BLOCK_FILE_NUMBER + 1)
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#define MAX_LOG_BLOCK_FILE_NUMBER 0xFFF
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#define FSGetFileNumber( uiBlkAddr) ((uiBlkAddr) & MAX_LOG_BLOCK_FILE_NUMBER)
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#define FSGetFileOffset( udBlkAddr) ((udBlkAddr) & 0xFFFFF000)
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#define FSBlkAddress( iFileNum, udFileOfs) ((udFileOfs) + (iFileNum))
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// Max file size and log threshold.
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#define LOG_THRESHOLD_SIZE ((FLMUINT) 0x40000)
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// very large threshhold is the size we will allow the physical
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// log to grow to before we force a truncation. At the low end,
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// it is about 10 megabytes. At the high end it is about
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// 1 gigabyte.
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#define LOW_VERY_LARGE_LOG_THRESHOLD_SIZE ((FLMUINT)0xA00000)
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#define HIGH_VERY_LARGE_LOG_THRESHOLD_SIZE ((FLMUINT) 0x40000000)
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// RFL_TRUNCATE_SIZE is the size we will let an RFL file grow to
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// before we truncate it back. RFL files are only truncated if
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// we are configured to delete old RFL files.
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#define RFL_TRUNCATE_SIZE ((FLMUINT)1024 * (FLMUINT)1024 * (FLMUINT)10)
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/*============================================================================
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Shared Cache Routines
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============================================================================*/
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RCODE flmPrepareBlockForUse(
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FLMUINT uiBlockSize,
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F_BLK_HDR * pBlkHdr);
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RCODE flmPrepareBlockToWrite(
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FLMUINT uiBlockSize,
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F_BLK_HDR * pBlkHdr);
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void ScaUseCache(
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F_CachedBlock * pSCache,
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FLMBOOL bMutexAlreadyLocked);
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void ScaReleaseCache(
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F_CachedBlock * pSCache,
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FLMBOOL bMutexAlreadyLocked);
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/*============================================================================
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File system Btree Cache Routines
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============================================================================*/
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FLMUINT SENNextVal(
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FLMBYTE ** senPtrRV );
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FLMUINT FSGetDomain(
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FLMBYTE ** curElmRV,
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FLMUINT uiElmOvhd);
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RCODE dbLock(
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F_Db * pDb,
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FLMUINT uiMaxLockWait );
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RCODE dbUnlock(
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F_Db * pDb);
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FINLINE void FSLFileIn(
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FLMBYTE * pucBuf,
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LFILE * pLFile,
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FLMUINT uiBlkAddress,
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FLMUINT uiOffsetInBlk)
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{
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F_LF_HDR * pLfHdr = (F_LF_HDR *)pucBuf;
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pLFile->uiBlkAddress = uiBlkAddress;
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pLFile->uiOffsetInBlk= uiOffsetInBlk;
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if ((pLFile->eLfType = (eLFileType)pLfHdr->ui32LfType) != SFLM_LF_INVALID)
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{
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pLFile->uiLfNum = (FLMUINT)pLfHdr->ui32LfNum;
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pLFile->uiEncDefNum = (FLMUINT)pLfHdr->ui32EncDefNum;
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pLFile->uiRootBlk = (FLMUINT)pLfHdr->ui32RootBlkAddr;
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if (pLFile->eLfType == SFLM_LF_TABLE)
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{
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pLFile->ui64NextRowId = pLfHdr->ui64NextRowId;
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}
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else
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{
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flmAssert( pLFile->eLfType == SFLM_LF_INDEX);
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pLFile->ui64NextRowId = 0;
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}
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}
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pLFile->bNeedToWriteOut = FALSE;
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}
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void lgSetSyncCheckpoint(
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F_Database * pDatabase,
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FLMUINT uiCheckpoint,
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FLMUINT uiBlkAddress);
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FLMUINT32 calcBlkCRC(
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F_BLK_HDR * pBlkHdr,
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FLMUINT uiBlkEnd);
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FLMUINT32 calcDbHdrCRC(
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SFLM_DB_HDR * pDbHdr);
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FLMUINT flmAdjustBlkSize(
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FLMUINT uiBlkSize);
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void flmInitDbHdr(
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SFLM_CREATE_OPTS * pCreateOpts,
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FLMBOOL bCreatingDatabase,
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FLMBOOL bTempDb,
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SFLM_DB_HDR * pDbHdr);
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RCODE flmCreateLckFile(
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const char * pszFilePath,
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IF_FileHdl ** ppLockFileHdl);
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RCODE flmAllocHashTbl(
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FLMUINT uiHashTblSize,
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FBUCKET ** ppHashTblRV);
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RCODE flmWaitNotifyReq(
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F_MUTEX hMutex,
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F_SEM hSem,
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FNOTIFY ** ppNotifyListRV,
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void * pvUserData);
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RCODE flmReadAndVerifyHdrInfo(
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SFLM_DB_STATS * pDbStats,
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IF_FileHdl * pFileHdl,
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SFLM_DB_HDR * pDbHdr,
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FLMUINT32 * pui32CalcCRC = NULL);
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void flmDoEventCallback(
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eEventCategory eCategory,
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eEventType eEvent,
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F_Db * pDb,
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FLMUINT uiThreadId,
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FLMUINT64 ui64TransID,
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FLMUINT uiIndexOrTable,
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FLMUINT64 ui64RowId,
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RCODE rc);
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void flmLogError(
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RCODE rc,
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const char * pszDoing,
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const char * pszFileName = NULL,
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FLMINT iLineNumber = 0);
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RCODE flmCollation2Number(
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FLMUINT uiBufLen,
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const FLMBYTE * pucBuf,
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FLMUINT64 * pui64Num,
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FLMBOOL * pbNeg,
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FLMUINT * puiBytesProcessed);
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RCODE flmStorageNum2CollationNum(
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const FLMBYTE * pucStorageBuf,
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FLMUINT uiStorageLen,
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FLMBYTE * pucCollBuf,
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FLMUINT * puiCollLen);
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RCODE flmCollationNum2StorageNum(
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const FLMBYTE * pucCollBuf,
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FLMUINT uiCollLen,
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FLMBYTE * pucStorageBuf,
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FLMUINT * puiStorageLen);
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RCODE flmStorageNum2StorageText(
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const FLMBYTE * pucNum,
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FLMUINT uiNumLen,
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FLMBYTE * pucBuffer,
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FLMUINT * puiBufLen);
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RCODE flmStorageNumberToNumber(
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const FLMBYTE * pucNumBuf,
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FLMUINT uiNumBufLen,
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FLMUINT64 * pui64Number,
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FLMBOOL * pbNeg);
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RCODE KYCollateValue(
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FLMBYTE * pucDest,
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FLMUINT * puiDestLen,
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IF_PosIStream * pIStream,
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FLMUINT uiDataType,
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FLMUINT uiFlags,
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FLMUINT uiCompareRules,
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FLMUINT uiLimit,
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FLMUINT * puiCollationLen,
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FLMUINT * puiLuLen,
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FLMUINT uiLanguage,
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FLMBOOL bFirstSubstring,
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FLMBOOL bDataTruncated,
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FLMBOOL * pbDataTruncated,
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FLMBOOL * pbOriginalCharsLost);
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#define UNDF_CHR 0x0000 // Undefined char - ignore for now
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#define IGNR_CHR 0x0001 // Ignore this char
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#define SDWD_CHR 0x0002 // Space delimited word chr
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#define DELI_CHR 0x0040 // Delimiter
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#define WDJN_CHR 0x0080 // Word Joining chr ".,/-_"
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// Implement later
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#define KATA_CHR 0x0004 // Katakana word chr
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#define HANG_CHR 0x0008 // Hangul word chr
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#define CJK_CHR 0x0010 // CJK word chr
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RCODE KYSubstringParse(
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IF_PosIStream * pIStream,
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FLMUINT * puiCompareRules,
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FLMUINT uiLimit,
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FLMBYTE * pucSubstrBuf,
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FLMUINT * puiSubstrBytes,
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FLMUINT * puiSubstrChars);
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RCODE KYEachWordParse(
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IF_PosIStream * pIStream,
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FLMUINT * puiCompareRules,
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FLMUINT uiLimit,
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FLMBYTE * pucWordBuf,
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FLMUINT * puiWordLen);
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RCODE fdictGetState(
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const char * pszState,
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FLMUINT * puiState);
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RCODE fdictGetIndexState(
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const char * pszState,
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FLMUINT * puiState);
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#define FLM_BACKGROUND_LOCK_PRIORITY -100
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void flmLogIndexingProgress(
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FLMUINT uiIndexNum,
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FLMUINT64 ui64LastDocumentId);
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F_BKGND_IX * flmBackgroundIndexGet(
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F_Database * pDatabase,
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FLMUINT uiValue,
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FLMBOOL bMutexLocked,
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FLMUINT * puiThreadId = NULL);
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RCODE flmGetHdrInfo(
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F_SuperFileHdl * pSFileHdl,
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SFLM_DB_HDR * pDbHdr,
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FLMUINT32 * pui32CalcCRC = NULL);
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void convert64(
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FLMUINT64 * pui64Num);
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void convert32(
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FLMUINT32 * pui32Num);
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void convert16(
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FLMUINT16 * pui16Num);
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void convertDbHdr(
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SFLM_DB_HDR * pDbHdr);
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void convertBlkHdr(
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F_BLK_HDR * pBlkHdr);
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void convertBlk(
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FLMUINT uiBlockSize,
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F_BLK_HDR * pBlkHdr);
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void convertLfHdr(
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F_LF_HDR * pLfHdr);
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/*--------------------------------------------------------
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** Inline Functions
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**-------------------------------------------------------*/
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/**************************************************************************
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Desc: Returns TRUE if a block address is less than another block address.
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**************************************************************************/
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FINLINE FLMBOOL FSAddrIsBelow(
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FLMUINT uiAddress1,
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FLMUINT uiAddress2)
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{
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if( FSGetFileNumber( uiAddress1) == FSGetFileNumber( uiAddress2))
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{
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if( FSGetFileOffset( uiAddress1) >= FSGetFileOffset( uiAddress2))
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{
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return FALSE;
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}
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}
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else if( FSGetFileNumber( uiAddress1) > FSGetFileNumber( uiAddress2))
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{
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return FALSE;
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}
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return TRUE;
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}
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/**************************************************************************
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Desc: Returns TRUE if a block address is less than or equal another
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block address.
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**************************************************************************/
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FINLINE FLMBOOL FSAddrIsAtOrBelow(
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FLMUINT uiAddress1,
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FLMUINT uiAddress2)
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{
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if( FSGetFileNumber( uiAddress1) == FSGetFileNumber( uiAddress2))
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{
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if( FSGetFileOffset( uiAddress1) > FSGetFileOffset( uiAddress2))
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{
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return FALSE;
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}
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}
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else if( FSGetFileNumber( uiAddress1) > FSGetFileNumber( uiAddress2))
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{
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return FALSE;
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}
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return TRUE;
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}
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/****************************************************************************
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Desc: Get the total bytes represented by a particular block address.
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****************************************************************************/
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FINLINE FLMUINT64 FSGetSizeInBytes(
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FLMUINT uiMaxFileSize,
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FLMUINT uiBlkAddress)
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{
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FLMUINT uiFileNum;
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FLMUINT uiFileOffset;
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FLMUINT64 ui64Size;
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uiFileNum = FSGetFileNumber( uiBlkAddress);
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uiFileOffset = FSGetFileOffset( uiBlkAddress);
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if( uiFileNum > 1)
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{
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ui64Size = (FLMUINT64)(((FLMUINT64)uiFileNum - (FLMUINT64)1) *
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(FLMUINT64)uiMaxFileSize +
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(FLMUINT64)uiFileOffset);
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}
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else
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{
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ui64Size = (FLMUINT64)uiFileOffset;
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}
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return( ui64Size);
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}
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/**************************************************************************
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Desc: Calculate the significant bits in a block size.
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**************************************************************************/
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FINLINE FLMUINT calcSigBits(
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FLMUINT uiBlockSize
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)
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{
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FLMUINT uiSigBitsInBlkSize = 0;
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while (!(uiBlockSize & 1))
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{
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uiSigBitsInBlkSize++;
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uiBlockSize >>= 1;
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}
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return( uiSigBitsInBlkSize);
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}
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/**************************************************************************
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Desc: Outputs an update event callback.
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**************************************************************************/
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FINLINE void flmTransEventCallback(
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eEventType eEventType,
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F_Db * pDb,
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RCODE rc,
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FLMUINT64 ui64TransId)
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{
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flmDoEventCallback( SFLM_EVENT_UPDATES, eEventType, pDb,
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f_threadId(), ui64TransId, 0, 0, rc);
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}
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#endif // FILESYS_H
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