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169 lines
4.4 KiB
169 lines
4.4 KiB
// ODBCDriverSoftwareElement.cpp: implementation of the CODBCDriverSoftwareElement class.
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//
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// Copyright (c) 1997-2001 Microsoft Corporation, All Rights Reserved
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//
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//////////////////////////////////////////////////////////////////////
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#include "precomp.h"
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#include "ODBCDriverSoftwareElement.h"
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#include "ExtendString.h"
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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CODBCDriverSoftwareElement::CODBCDriverSoftwareElement(CRequestObject *pObj, IWbemServices *pNamespace,
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IWbemContext *pCtx):CGenericClass(pObj, pNamespace, pCtx)
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{
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}
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CODBCDriverSoftwareElement::~CODBCDriverSoftwareElement()
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{
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}
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HRESULT CODBCDriverSoftwareElement::CreateObject(IWbemObjectSink *pHandler, ACTIONTYPE atAction)
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{
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HRESULT hr = WBEM_S_NO_ERROR;
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MSIHANDLE hView = NULL;
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MSIHANDLE hRecord = NULL;
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int i = -1;
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WCHAR wcBuf[BUFF_SIZE];
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WCHAR wcQuery[BUFF_SIZE];
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WCHAR wcProductCode[39];
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WCHAR wcProp[BUFF_SIZE];
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DWORD dwBufSize;
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bool bMatch = false;
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UINT uiStatus;
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CStringExt str;
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//These will change from class to class
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bool bFeature, bElement;
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// safe operation
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// lenght is smaller than BUFF_SIZE ( 512 )
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wcscpy(wcQuery, L"select distinct `Component_`, `Driver` from ODBCDriver");
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LPWSTR Buffer = NULL;
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LPWSTR dynBuffer = NULL;
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DWORD dwDynBuffer = 0L;
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while(!bMatch && m_pRequest->Package(++i) && (hr != WBEM_E_CALL_CANCELLED))
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{
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// safe operation:
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// Package ( i ) returns NULL ( tested above ) or valid WCHAR [39]
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wcscpy(wcProductCode, m_pRequest->Package(i));
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//Open our database
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try
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{
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if ( GetView ( &hView, wcProductCode, wcQuery, L"ODBCDriver", TRUE, FALSE ) )
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{
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uiStatus = g_fpMsiViewFetch(hView, &hRecord);
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while(!bMatch && (uiStatus != ERROR_NO_MORE_ITEMS) && (hr != WBEM_E_CALL_CANCELLED)){
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CheckMSI(uiStatus);
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if(FAILED(hr = SpawnAnInstance(&m_pObj))) throw hr;
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//----------------------------------------------------
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dwBufSize = BUFF_SIZE;
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GetBufferToPut ( hRecord, 1, dwBufSize, wcBuf, dwDynBuffer, dynBuffer, Buffer );
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dwBufSize = BUFF_SIZE;
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uiStatus = CreateSoftwareElementString ( msidata.GetDatabase(),
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Buffer,
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wcProductCode,
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wcProp,
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&dwBufSize
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);
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if ( dynBuffer && dynBuffer [ 0 ] != 0 )
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{
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dynBuffer [ 0 ] = 0;
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}
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if ( uiStatus == ERROR_SUCCESS )
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{
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PutKeyProperty(m_pObj, pElement, wcProp, &bElement, m_pRequest);
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dwBufSize = BUFF_SIZE;
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GetBufferToPut ( hRecord, 2, dwBufSize, wcBuf, dwDynBuffer, dynBuffer, Buffer );
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if ( Buffer && Buffer [ 0 ] != 0 )
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{
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// safe operation
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str.Copy ( L"Win32_ODBCDriverSpecification.CheckID=\"" );
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str.Append ( 3, Buffer, wcProductCode, L"\"" );
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PutKeyProperty(m_pObj, pCheck, str, &bFeature, m_pRequest);
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if ( dynBuffer && dynBuffer [ 0 ] != 0 )
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{
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dynBuffer [ 0 ] = 0;
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}
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if(bFeature && bElement) bMatch = true;
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if((atAction != ACTIONTYPE_GET) || bMatch){
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hr = pHandler->Indicate(1, &m_pObj);
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}
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}
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}
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m_pObj->Release();
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m_pObj = NULL;
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g_fpMsiCloseHandle(hRecord);
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uiStatus = g_fpMsiViewFetch(hView, &hRecord);
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}
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}
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}
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catch(...)
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{
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if ( dynBuffer )
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{
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delete [] dynBuffer;
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dynBuffer = NULL;
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}
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g_fpMsiCloseHandle(hRecord);
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g_fpMsiViewClose(hView);
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g_fpMsiCloseHandle(hView);
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msidata.CloseDatabase ();
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if(m_pObj)
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{
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m_pObj->Release();
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m_pObj = NULL;
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}
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throw;
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}
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g_fpMsiCloseHandle(hRecord);
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g_fpMsiViewClose(hView);
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g_fpMsiCloseHandle(hView);
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msidata.CloseDatabase ();
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}
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if ( dynBuffer )
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{
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delete [] dynBuffer;
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dynBuffer = NULL;
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}
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return hr;
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}
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