686 lines
16 KiB
C++
686 lines
16 KiB
C++
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#include "precomp.h"
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#include <wbemutil.h>
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#include "objacces.h"
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/****************************************************************************
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CPropAccessor
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*****************************************************************************/
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HRESULT CPropAccessor::GetParentObject( ObjectArray& raObjects,
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_IWmiObject** ppParent )
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{
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HRESULT hr = WBEM_S_NO_ERROR;
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*ppParent = NULL;
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if ( m_pParent == NULL )
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{
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_DBG_ASSERT( raObjects.size() > 0 );
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*ppParent = raObjects[0];
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(*ppParent)->AddRef();
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}
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else
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{
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CPropVar vParent;
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hr = m_pParent->GetProp( raObjects, 0, &vParent, NULL );
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if ( SUCCEEDED(hr) )
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{
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_DBG_ASSERT( V_VT(&vParent) == VT_UNKNOWN );
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hr = V_UNKNOWN(&vParent)->QueryInterface( IID__IWmiObject, (void**)ppParent );
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}
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}
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return hr;
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}
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/****************************************************************************
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CFastPropAccessor
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*****************************************************************************/
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HRESULT CFastPropAccessor::GetProp( ObjectArray& raObjects,
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DWORD dwFlags,
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VARIANT* pvar,
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CIMTYPE* pct )
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{
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HRESULT hr = WBEM_S_NO_ERROR;
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if ( pvar != NULL )
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{
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CWbemPtr<_IWmiObject> pParent;
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hr = GetParentObject( raObjects, &pParent );
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if ( SUCCEEDED(hr) )
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{
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hr = ReadValue( pParent, pvar );
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}
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}
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if ( pct != NULL )
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{
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*pct = m_ct;
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}
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return hr;
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}
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HRESULT CFastPropAccessor::PutProp( ObjectArray& raObjects,
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DWORD dwFlags,
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VARIANT* pvar,
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CIMTYPE ct )
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{
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HRESULT hr = WBEM_S_NO_ERROR;
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if ( pvar != NULL )
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{
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CWbemPtr<_IWmiObject> pParent;
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hr = GetParentObject( raObjects, &pParent );
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if ( SUCCEEDED(hr) )
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{
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hr = WriteValue( pParent, pvar );
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}
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}
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return hr;
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}
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/****************************************************************************
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CStringPropAccessor
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*****************************************************************************/
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HRESULT CStringPropAccessor::ReadValue( _IWmiObject* pObj, VARIANT* pvar )
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{
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HRESULT hr;
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long cBuff;
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hr = pObj->ReadPropertyValue( m_lHandle, 0, &cBuff, NULL );
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if ( hr == WBEM_E_BUFFER_TOO_SMALL )
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{
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BSTR bstr = SysAllocStringByteLen( NULL, cBuff );
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if ( bstr != NULL )
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{
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hr = pObj->ReadPropertyValue( m_lHandle,
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cBuff,
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&cBuff,
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PBYTE(bstr) );
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if ( SUCCEEDED(hr) )
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{
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V_VT(pvar) = VT_BSTR;
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V_BSTR(pvar) = bstr;
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}
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else
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{
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SysFreeString( bstr );
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}
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}
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else
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{
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hr = WBEM_E_OUT_OF_MEMORY;
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}
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}
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else if ( SUCCEEDED(hr) )
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{
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V_VT(pvar) = VT_NULL;
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}
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return hr;
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}
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HRESULT CStringPropAccessor::WriteValue( _IWmiObject* pObj, VARIANT* pvar )
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{
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HRESULT hr = WBEM_S_NO_ERROR;
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if ( V_VT(pvar) == VT_BSTR )
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{
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ULONG cLen = wcslen( V_BSTR(pvar) );
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hr = pObj->WritePropertyValue( m_lHandle,
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cLen*2+2,
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PBYTE(V_BSTR(pvar)) );
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}
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else if ( V_VT(pvar) == VT_NULL )
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{
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//
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// how do we handle NULL ??
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//
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}
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else
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{
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hr = WBEM_E_TYPE_MISMATCH;
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}
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return hr;
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}
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/****************************************************************************
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CSimplePropAccessor
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*****************************************************************************/
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HRESULT CSimplePropAccessor::GetProp( ObjectArray& raObjects,
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DWORD dwFlags,
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VARIANT* pvar,
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CIMTYPE* pct )
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{
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HRESULT hr;
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if ( m_pDelegateTo == NULL )
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{
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CWbemPtr<_IWmiObject> pParent;
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hr = GetParentObject( raObjects, &pParent );
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if ( SUCCEEDED(hr) )
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{
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hr = pParent->Get( m_wsName, 0, pvar, pct, NULL );
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}
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}
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else
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{
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hr = m_pDelegateTo->GetProp( raObjects, dwFlags, pvar, pct );
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}
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return hr;
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}
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HRESULT CSimplePropAccessor::PutProp( ObjectArray& raObjects,
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DWORD dwFlags,
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VARIANT* pvar,
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CIMTYPE ct )
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{
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HRESULT hr;
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if ( m_pDelegateTo == NULL )
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{
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CWbemPtr<_IWmiObject> pParent;
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hr = GetParentObject( raObjects, &pParent );
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if ( SUCCEEDED(hr) )
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{
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hr = pParent->Put( m_wsName, 0, pvar, ct );
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}
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}
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else
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{
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hr = m_pDelegateTo->PutProp( raObjects, dwFlags, pvar, ct );
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}
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return hr;
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}
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/****************************************************************************
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CEmbeddedPropAccessor
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*****************************************************************************/
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HRESULT CEmbeddedPropAccessor::GetProp( ObjectArray& raObjects,
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DWORD dwFlags,
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VARIANT* pvar,
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CIMTYPE* pct )
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{
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HRESULT hr = WBEM_S_NO_ERROR;
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VariantInit( pvar );
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if ( raObjects.size() <= m_lObjIndex )
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{
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raObjects.resize( m_lObjIndex*2 );
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}
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_IWmiObjectP pObj = raObjects[m_lObjIndex];
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if ( pObj != NULL )
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{
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V_VT(pvar) = VT_UNKNOWN;
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V_UNKNOWN(pvar) = pObj;
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pObj->AddRef();
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}
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else
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{
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_IWmiObjectP pParent;
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hr = GetParentObject( raObjects, &pParent );
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if ( SUCCEEDED(hr) )
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{
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CPropVar vProp;
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hr = pParent->Get( m_wsName, 0, &vProp, pct, NULL );
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if ( SUCCEEDED(hr) )
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{
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if ( V_VT(&vProp) == VT_UNKNOWN )
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{
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hr = V_UNKNOWN(&vProp)->QueryInterface( IID__IWmiObject,
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(void**)&pObj );
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if ( SUCCEEDED(hr) )
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{
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raObjects[m_lObjIndex] = pObj;
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V_VT(pvar) = VT_UNKNOWN;
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V_UNKNOWN(pvar) = pObj;
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pObj->AddRef();
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}
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}
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else if ( V_VT(&vProp) == VT_NULL )
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{
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hr = WBEM_E_NOT_FOUND;
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}
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else
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{
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hr = WBEM_E_TYPE_MISMATCH;
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}
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}
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}
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}
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return hr;
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}
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HRESULT CEmbeddedPropAccessor::PutProp( ObjectArray& raObjects,
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DWORD dwFlags,
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VARIANT* pvar,
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CIMTYPE ct )
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{
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HRESULT hr;
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if ( raObjects.size() <= m_lObjIndex )
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{
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raObjects.resize( m_lObjIndex*2 );
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}
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_IWmiObjectP pParent;
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hr = GetParentObject( raObjects, &pParent );
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if ( SUCCEEDED(hr) )
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{
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hr = pParent->Put( m_wsName, 0, pvar, ct );
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if ( SUCCEEDED(hr) )
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{
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_IWmiObjectP pObj;
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if ( V_VT(pvar) == VT_UNKNOWN )
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{
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hr = V_UNKNOWN(pvar)->QueryInterface( IID__IWmiObject,
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(void**)&pObj );
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}
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if ( SUCCEEDED(hr) )
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{
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raObjects[m_lObjIndex] = pObj;
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}
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}
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}
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return hr;
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}
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/****************************************************************************
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CObjectAccessFactory - impl for IWmiObjectAccessFactory
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*****************************************************************************/
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STDMETHODIMP CObjectAccessFactory::SetObjectTemplate( IWbemClassObject* pTmpl )
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{
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HRESULT hr;
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if ( m_pTemplate == NULL )
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{
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hr = pTmpl->QueryInterface( IID__IWmiObject, (void**)&m_pTemplate );
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}
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else
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{
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hr = WBEM_E_INVALID_OPERATION;
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}
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return hr;
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}
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STDMETHODIMP CObjectAccessFactory::GetObjectAccess(IWmiObjectAccess** ppAccess)
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{
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HRESULT hr = WBEM_S_NO_ERROR;
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*ppAccess = new CObjectAccess( m_pControl );
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if ( *ppAccess != NULL )
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{
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(*ppAccess)->AddRef();
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}
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else
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{
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hr = WBEM_E_OUT_OF_MEMORY;
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}
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return hr;
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}
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HRESULT CObjectAccessFactory::FindOrCreateAccessor( LPCWSTR wszPropElem,
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BOOL bEmbedded,
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CPropAccessor* pParent,
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CPropAccessor** ppAccessor)
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{
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HRESULT hr = WBEM_S_NO_ERROR;
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*ppAccessor = NULL;
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//
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// determine the map the use for the prop accessors.
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//
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PropAccessMap* pmapPropAccess;
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if ( pParent != NULL )
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{
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_DBG_ASSERT( pParent->GetType() == CPropAccessor::e_Embedded );
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pmapPropAccess = &((CEmbeddedPropAccessor*)pParent)->m_mapPropAccess;
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}
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else
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{
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pmapPropAccess = &m_mapPropAccess;
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}
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//
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// see if an accessor already exists. If not create one.
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//
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PropAccessMap::iterator it = pmapPropAccess->find( wszPropElem );
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//
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// if we're untyped and the accessor is also a Simple
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// accessor, but now we know it to be embedded, convert the
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// accessor to an embedded one.
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//
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if ( it != pmapPropAccess->end() &&
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!( bEmbedded && it->second->GetType() == CPropAccessor::e_Simple ) )
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{
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*ppAccessor = it->second;
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(*ppAccessor)->AddRef();
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}
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else
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{
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long lHandle = -1;
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CIMTYPE cimtype = 0;
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if ( m_pTemplate != NULL )
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{
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//
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// get type information from the template. Also get handle
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// if possible. For now, we don't do anything special for
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// properties that are embedded.
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//
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if ( !bEmbedded )
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{
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hr = m_pTemplate->GetPropertyHandle( wszPropElem,
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&cimtype,
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&lHandle );
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if ( SUCCEEDED(hr) )
|
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{
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;
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}
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else
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|
{
|
||
|
|
cimtype = -1;
|
||
|
|
hr = WBEM_S_NO_ERROR;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
CWbemPtr<CPropAccessor> pAccessor;
|
||
|
|
|
||
|
|
if ( SUCCEEDED(hr) )
|
||
|
|
{
|
||
|
|
if ( bEmbedded )
|
||
|
|
{
|
||
|
|
pAccessor = new CEmbeddedPropAccessor( wszPropElem,
|
||
|
|
m_lIndexGenerator++,
|
||
|
|
pParent );
|
||
|
|
}
|
||
|
|
else if ( m_pTemplate != NULL && lHandle != -1 && cimtype == CIM_STRING )
|
||
|
|
{
|
||
|
|
pAccessor = new CStringPropAccessor( lHandle, cimtype, pParent );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
pAccessor = new CSimplePropAccessor( wszPropElem, pParent );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// add to the map. If an entry does exists already, then have it
|
||
|
|
// delegate to our new one. The new entry becomes responsible for
|
||
|
|
// the original one to keep it alive.
|
||
|
|
//
|
||
|
|
|
||
|
|
if ( pAccessor != NULL )
|
||
|
|
{
|
||
|
|
if ( it != pmapPropAccess->end() )
|
||
|
|
{
|
||
|
|
pAccessor->AssumeOwnership( it->second );
|
||
|
|
it->second->DelegateTo( pAccessor );
|
||
|
|
}
|
||
|
|
|
||
|
|
(*pmapPropAccess)[wszPropElem] = pAccessor;
|
||
|
|
pAccessor->AddRef();
|
||
|
|
*ppAccessor = pAccessor;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
hr = WBEM_E_OUT_OF_MEMORY;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CObjectAccessFactory::GetPropHandle( LPCWSTR wszProp,
|
||
|
|
DWORD dwFlags,
|
||
|
|
LPVOID* ppHdl )
|
||
|
|
{
|
||
|
|
HRESULT hr;
|
||
|
|
|
||
|
|
ENTER_API_CALL
|
||
|
|
|
||
|
|
WString wsProp( wszProp );
|
||
|
|
|
||
|
|
LPWSTR wszPropElem = wcstok( wsProp, L"." );
|
||
|
|
|
||
|
|
CWbemPtr<CPropAccessor> pAccessor;
|
||
|
|
CWbemPtr<CPropAccessor> pParentAccessor;
|
||
|
|
|
||
|
|
do
|
||
|
|
{
|
||
|
|
LPWSTR wszNextPropElem = wcstok( NULL, L"." );
|
||
|
|
|
||
|
|
pAccessor.Release();
|
||
|
|
|
||
|
|
hr = FindOrCreateAccessor( wszPropElem,
|
||
|
|
wszNextPropElem != NULL,
|
||
|
|
pParentAccessor,
|
||
|
|
&pAccessor );
|
||
|
|
|
||
|
|
pParentAccessor = pAccessor;
|
||
|
|
wszPropElem = wszNextPropElem;
|
||
|
|
|
||
|
|
} while( SUCCEEDED(hr) && wszPropElem != NULL );
|
||
|
|
|
||
|
|
if ( SUCCEEDED(hr) )
|
||
|
|
{
|
||
|
|
*ppHdl = pAccessor;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
*ppHdl = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
EXIT_API_CALL
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
/***************************************************************************
|
||
|
|
CObjectAccess
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
STDMETHODIMP CObjectAccess::CommitChanges()
|
||
|
|
{
|
||
|
|
HRESULT hr = WBEM_S_NO_ERROR;
|
||
|
|
|
||
|
|
ENTER_API_CALL
|
||
|
|
|
||
|
|
//
|
||
|
|
// commit our embeddeded objects. Since the set of embedded object
|
||
|
|
// accessors is ordered by level, we will do things in the right order.
|
||
|
|
//
|
||
|
|
|
||
|
|
EmbeddedPropAccessSet::iterator it;
|
||
|
|
|
||
|
|
for( it = m_setEmbeddedAccessorsToCommit.begin();
|
||
|
|
it != m_setEmbeddedAccessorsToCommit.end(); it++ )
|
||
|
|
{
|
||
|
|
CEmbeddedPropAccessor* pAccessor = *it;
|
||
|
|
|
||
|
|
IWbemClassObject* pProp = m_aObjects[pAccessor->GetObjectIndex()];
|
||
|
|
_DBG_ASSERT( pProp != NULL );
|
||
|
|
|
||
|
|
VARIANT vProp;
|
||
|
|
V_VT(&vProp) = VT_UNKNOWN;
|
||
|
|
V_UNKNOWN(&vProp) = pProp;
|
||
|
|
|
||
|
|
hr = pAccessor->PutProp( m_aObjects, 0, &vProp, CIM_OBJECT );
|
||
|
|
|
||
|
|
if ( SUCCEEDED(hr) )
|
||
|
|
{
|
||
|
|
;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
EXIT_API_CALL
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CObjectAccess::GetObject( IWbemClassObject** ppObj )
|
||
|
|
{
|
||
|
|
HRESULT hr;
|
||
|
|
|
||
|
|
if ( m_aObjects.size() > 0 && m_aObjects[0] != NULL )
|
||
|
|
{
|
||
|
|
m_aObjects[0]->AddRef();
|
||
|
|
*ppObj = m_aObjects[0];
|
||
|
|
hr = WBEM_S_NO_ERROR;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
*ppObj = NULL;
|
||
|
|
hr = WBEM_S_FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CObjectAccess::SetObject( IWbemClassObject* pObj )
|
||
|
|
{
|
||
|
|
HRESULT hr = WBEM_S_NO_ERROR;
|
||
|
|
|
||
|
|
ENTER_API_CALL
|
||
|
|
|
||
|
|
m_aObjects.clear();
|
||
|
|
m_setEmbeddedAccessorsToCommit.clear();
|
||
|
|
|
||
|
|
if ( pObj != NULL )
|
||
|
|
{
|
||
|
|
CWbemPtr<_IWmiObject> pIntObj;
|
||
|
|
|
||
|
|
hr = pObj->QueryInterface( IID__IWmiObject, (void**)&pIntObj );
|
||
|
|
|
||
|
|
if ( SUCCEEDED(hr) )
|
||
|
|
{
|
||
|
|
m_aObjects.insert( m_aObjects.end(), pIntObj );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
EXIT_API_CALL
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CObjectAccess::GetProp( LPVOID pHdl,
|
||
|
|
DWORD dwFlags,
|
||
|
|
VARIANT* pvar,
|
||
|
|
CIMTYPE* pct )
|
||
|
|
{
|
||
|
|
HRESULT hr;
|
||
|
|
|
||
|
|
ENTER_API_CALL
|
||
|
|
|
||
|
|
if ( m_aObjects.size() > 0 )
|
||
|
|
{
|
||
|
|
hr = ((CPropAccessor*)pHdl)->GetProp( m_aObjects, dwFlags, pvar, pct );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
hr = WBEM_E_INVALID_OPERATION;
|
||
|
|
}
|
||
|
|
|
||
|
|
EXIT_API_CALL
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CObjectAccess::PutProp( LPVOID pHdl,
|
||
|
|
DWORD dwFlags,
|
||
|
|
VARIANT* pvar,
|
||
|
|
CIMTYPE ct )
|
||
|
|
{
|
||
|
|
HRESULT hr;
|
||
|
|
|
||
|
|
ENTER_API_CALL
|
||
|
|
|
||
|
|
if ( m_aObjects.size() > 0 )
|
||
|
|
{
|
||
|
|
CPropAccessor* pAccessor = (CPropAccessor*)pHdl;
|
||
|
|
|
||
|
|
CEmbeddedPropAccessor* pParent =
|
||
|
|
(CEmbeddedPropAccessor*)pAccessor->GetParent();
|
||
|
|
|
||
|
|
hr = pAccessor->PutProp( m_aObjects, dwFlags, pvar, ct );
|
||
|
|
|
||
|
|
if ( SUCCEEDED(hr) )
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// if there is an
|
||
|
|
if ( pParent == NULL )
|
||
|
|
{
|
||
|
|
;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
m_setEmbeddedAccessorsToCommit.insert( pParent );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
hr = WBEM_E_INVALID_OPERATION;
|
||
|
|
}
|
||
|
|
|
||
|
|
EXIT_API_CALL
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
|