Added .cpp and .h files under the sql/src subdirectory

git-svn-id: https://svn.code.sf.net/p/flaim/code/trunk@469 0109f412-320b-0410-ab79-c3e0c5ffbbe6
2006-05-26 23:17:49 +00:00
parent dc6cd8b9cb
commit 021073907f
82 changed files with 97516 additions and 0 deletions
--- a/sql/src/fsuperfl.h
+++ b/sql/src/fsuperfl.h
@@ -0,0 +1,215 @@
+//------------------------------------------------------------------------------
+// Desc:	This include file contains the class definitions for FLAIM's
+//			super file class.
+//
+// Tabs:	3
+//
+//		Copyright (c) 1998-2006 Novell, Inc. All Rights Reserved.
+//
+//		This program is free software; you can redistribute it and/or
+//		modify it under the terms of version 2 of the GNU General Public
+//		License as published by the Free Software Foundation.
+//
+//		This program is distributed in the hope that it will be useful,
+//		but WITHOUT ANY WARRANTY; without even the implied warranty of
+//		MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+//		GNU General Public License for more details.
+//
+//		You should have received a copy of the GNU General Public License
+//		along with this program; if not, contact Novell, Inc.
+//
+//		To contact Novell about this file by physical or electronic mail,
+//		you may find current contact information at www.novell.com
+//
+// $Id: fsuperfl.h 3109 2006-01-19 13:07:07 -0700 (Thu, 19 Jan 2006) dsanders $
+//------------------------------------------------------------------------------
+
+#ifndef FSUPERFL_H
+#define FSUPERFL_H
+
+#include "fsrvlock.h"
+
+#define MAX_CHECKED_OUT_FILE_HDLS	8
+
+void bldSuperFileExtension(
+	FLMUINT			uiFileNum,
+	char *			pszFileExtension);
+
+typedef struct
+{
+	IF_FileHdl *	pFileHdl;
+	FLMUINT			uiFileNumber;
+	FLMBOOL			bDirty;
+} CHECKED_OUT_FILE_HDL;
+
+/****************************************************************************
+Desc:		The F_SuperFileHdl object manages the control and block files
+			associated with a FLAIM Super File.  This class also provides
+			backward compatibility with prior file formats.
+Note:
+****************************************************************************/
+class F_SuperFileHdl : public F_Object
+{
+public:
+	F_SuperFileHdl();
+
+	~F_SuperFileHdl();
+
+	RCODE setup(
+		const char *		pszDbFileName,
+		const char *		pszDataDir);
+
+	RCODE createFile(
+		FLMUINT				uiFileNumber);
+
+	RCODE readBlock(
+		FLMUINT				uiBlkAddress,
+		FLMUINT				uiBytesToRead,
+		void *				pvBuffer,
+		FLMUINT *			puiBytesRead);
+
+	RCODE writeBlock(
+		FLMUINT				uiBlkAddress,
+		FLMUINT				uiBytesToWrite,
+		const void *		pvBuffer,
+		FLMUINT				uiBufferSize,
+		IF_IOBuffer *		pIOBuffer,
+		FLMUINT *			puiBytesWritten);
+
+	RCODE readHeader(
+		FLMUINT				uiOffset,
+		FLMUINT				uiBytesToRead,
+		void *				pvBuffer,
+		FLMUINT *			puiBytesRead);
+
+	RCODE writeHeader(
+		FLMUINT				uiOffset,
+		FLMUINT				uiBytesToWrite,
+		const void *		pvBuffer,
+		FLMUINT *			puiBytesWritten);
+
+	RCODE getFilePath(
+		FLMUINT				uiFileNumber,
+		char *				pszPath);
+
+	RCODE	getFileHdl(
+		FLMUINT				uiFileNumber,
+		FLMBOOL				bGetForUpdate,
+		IF_FileHdl **		ppFileHdlRV);
+
+	RCODE getFileSize(
+		FLMUINT				uiFileNumber,
+		FLMUINT64 *			pui64FileSize);
+
+	RCODE releaseFile(
+		FLMUINT				uiFileNum,
+		FLMBOOL				bCloseFile);
+
+	RCODE releaseFiles(
+		FLMBOOL				bCloseFiles);
+
+	RCODE truncateFile(
+		FLMUINT				uiEOFBlkAddress);
+
+	void truncateFiles(
+		FLMUINT				uiStartFileNum,
+		FLMUINT				uiEndFileNum);
+
+	RCODE releaseFile(
+		CHECKED_OUT_FILE_HDL *	pChkFileHdl,
+		FLMBOOL						bCloseFile);
+
+	FINLINE void enableFlushMinimize( void)
+	{
+		m_bMinimizeFlushes = TRUE;
+	}
+
+	void disableFlushMinimize( void);
+
+	RCODE flush( void);
+
+	FINLINE void setBlockSize(
+		FLMUINT		uiBlockSize)
+	{
+		m_uiBlockSize = uiBlockSize;
+	}
+
+	FINLINE void setExtendSize(
+		FLMUINT		uiExtendSize)
+	{
+		m_uiExtendSize = uiExtendSize;
+	}
+
+	FINLINE void setMaxAutoExtendSize(
+		FLMUINT		uiMaxAutoExtendSize)
+	{
+		m_uiMaxAutoExtendSize = uiMaxAutoExtendSize;
+	}
+
+	FINLINE FLMBOOL canDoAsync( void)
+	{
+		if (m_pCheckedOutFileHdls[ 0].pFileHdl)
+		{
+			return( m_pCheckedOutFileHdls[ 0].pFileHdl->canDoAsync());
+		}
+		else
+		{
+			IF_FileHdl *		pFileHdl;
+
+			if( RC_OK( getFileHdl( 0, FALSE, &pFileHdl)))
+			{
+				return( pFileHdl->canDoAsync());
+			}
+		}
+
+		return( FALSE);
+	}
+
+private:
+
+	FINLINE CHECKED_OUT_FILE_HDL * getCkoFileHdlPtr(
+		FLMUINT		uiFileNum,
+		FLMUINT *	puiSlot)
+	{
+		*puiSlot = (uiFileNum
+			? (uiFileNum % (m_uiCkoArraySize - 1)) + 1
+			: 0);
+
+		return( &m_pCheckedOutFileHdls[ *puiSlot]);
+	}
+
+	FINLINE void clearCkoFileHdl(
+		CHECKED_OUT_FILE_HDL *		pCkoFileHdl)
+	{
+		pCkoFileHdl->pFileHdl = NULL;
+		pCkoFileHdl->uiFileNumber = 0;
+		pCkoFileHdl->bDirty = FALSE;
+	}
+
+	void copyCkoFileHdls(
+		CHECKED_OUT_FILE_HDL *	pSrcCkoArray,
+		FLMUINT						uiSrcHighestUsedSlot);
+
+	RCODE reallocCkoArray(
+		FLMUINT	uiFileNum);
+
+	char *						m_pszDbFileName;
+	char *						m_pszDataFileNameBase;
+	FLMUINT						m_uiExtOffset;
+	FLMUINT						m_uiDataExtOffset;
+	CHECKED_OUT_FILE_HDL		m_CheckedOutFileHdls[
+										MAX_CHECKED_OUT_FILE_HDLS + 1];
+	CHECKED_OUT_FILE_HDL *	m_pCheckedOutFileHdls;
+	FLMUINT						m_uiCkoArraySize;
+	FLMUINT						m_uiBlockSize;
+	FLMUINT						m_uiExtendSize;
+	FLMUINT						m_uiMaxAutoExtendSize;
+	FLMUINT						m_uiLowestDirtySlot;
+	FLMUINT						m_uiHighestDirtySlot;
+	FLMUINT						m_uiHighestUsedSlot;
+	FLMUINT						m_uiHighestFileNumber;
+	FLMBOOL						m_bMinimizeFlushes;
+	FLMBOOL						m_bSetupCalled;
+};
+
+#endif	// FSUPERFL_H