66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
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//***************************************************************************
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//
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// (c) 2000 Microsoft Corp. All Rights Reserved.
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//
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// ABSFILE.H
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//
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// Repository file wrappers for transacting
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//
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// raymcc 02-Nov-00
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//
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//***************************************************************************
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#ifndef __A51_ABSFILE_H_
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#define __A51_ABSFILE_H_
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#include "longstg.h"
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class CAbstractFile
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{
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protected:
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CLongFileStagingFile* m_pStage;
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int m_nId;
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public:
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CAbstractFile(CLongFileStagingFile* pStage, int nId)
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: m_pStage(pStage), m_nId(nId)
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{}
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DWORD Write(DWORD dwOffs, LPVOID pMem, DWORD dwBytes, DWORD *pdwWritten);
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DWORD Read(DWORD dwOffs, LPVOID pMem, DWORD dwBytes, DWORD *pdwRead);
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DWORD SetFileLength(DWORD dwLen);
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DWORD GetFileLength(DWORD* pdwLength);
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void Touch();
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};
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class CAbstractFileSource
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{
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private:
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CLongFileStagingFile m_Stage;
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public:
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CAbstractFileSource(){}
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long Create(LPCWSTR wszFileName, long lMaxFileSize,
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long lAbortTransactionFileSize);
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long Start();
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long Stop(DWORD dwShutDownFlags);
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DWORD Register(HANDLE hFile, int nID, bool bSupportsOverwrites,
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CAbstractFile **pFile);
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DWORD CloseAll();
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DWORD Begin(DWORD *pdwTransId); // To accomodate possible simultaneous transactions
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DWORD Commit(DWORD dwTransId);
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DWORD Rollback(DWORD dwTransId, bool* pbNonEmpty);
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void Dump(FILE* f);
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};
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#endif
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