127 lines
2.1 KiB
C++
127 lines
2.1 KiB
C++
/*++
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Copyright (C) 2000-2001 Microsoft Corporation
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--*/
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#include <windows.h>
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#include <stdio.h>
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#include <wbemcomn.h>
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#include <reposit.h>
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#include "filecach.h"
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#include "creposit.h"
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long CFileCache::InnerInitialize(LPCWSTR wszBaseName)
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{
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long lRes;
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wcscpy(m_wszBaseName, wszBaseName);
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wcscat(m_wszBaseName, L"\\");
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m_dwBaseNameLen = wcslen(m_wszBaseName);
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lRes = m_TransactionManager.Init();
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if(lRes != ERROR_SUCCESS)
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return lRes;
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lRes = m_TransactionManager.BeginTrans();
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if (lRes != ERROR_SUCCESS)
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return lRes;
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lRes = m_ObjectHeap.Initialize(&m_TransactionManager,
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(WCHAR*)wszBaseName,
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m_dwBaseNameLen);
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if(lRes != ERROR_SUCCESS)
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{
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m_TransactionManager.RollbackTrans();
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}
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else
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{
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lRes = m_TransactionManager.CommitTrans();
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if (lRes != ERROR_SUCCESS)
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m_TransactionManager.RollbackTrans();
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}
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return lRes;
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}
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long CFileCache::RepositoryExists(LPCWSTR wszBaseName)
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{
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CFileName wszStagingName;
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if (wszStagingName == NULL)
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return ERROR_OUTOFMEMORY;
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swprintf(wszStagingName, L"%s\\index.btr", wszBaseName);
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DWORD dwAttributes = GetFileAttributesW(wszStagingName);
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if (dwAttributes == -1)
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return ERROR_FILE_NOT_FOUND;
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return ERROR_SUCCESS;
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}
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long CFileCache::Initialize(LPCWSTR wszBaseName)
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{
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long lRes;
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if (m_bInit)
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return ERROR_SUCCESS;
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lRes = RepositoryExists(wszBaseName);
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if (ERROR_FILE_NOT_FOUND == lRes)
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{
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//If we have a database restore to do, go ahead and do it...
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lRes = DoAutoDatabaseRestore();
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}
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//
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// Initialize file cache. It will read the registry itself to find out
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// its size limitations
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//
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if (SUCCEEDED(lRes))
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{
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lRes = InnerInitialize(wszBaseName);
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if (ERROR_SUCCESS == lRes)
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{
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m_bInit = TRUE;
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}
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}
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return lRes;
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}
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CFileCache::CFileCache()
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: m_lRef(1), m_bInit(FALSE)
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{
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}
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CFileCache::~CFileCache()
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{
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}
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long CFileCache::Uninitialize(DWORD dwShutDownFlags)
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{
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if (!m_bInit)
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return 0;
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Clear(dwShutDownFlags);
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m_bInit = FALSE;
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return 0;
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}
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