Leaked source code of windows server 2003
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1917 lines
48 KiB

//////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2000-2002 Microsoft Corporation
//
// Module Name:
// CEnumClusCfgManagedResources.cpp
//
// Description:
// This file contains the definition of the CEnumClusCfgManagedResources
// class.
//
// The class CEnumClusCfgManagedResources is the enumeration of cluster
// managed devices. It implements the IEnumClusCfgManagedResources
// interface.
//
// Maintained By:
// Galen Barbee (GalenB) 23-FEB-2000
//
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
// Include Files
//////////////////////////////////////////////////////////////////////////////
#include "Pch.h"
#include "CEnumClusCfgManagedResources.h"
#include "CEnumUnknownQuorum.h"
//////////////////////////////////////////////////////////////////////////////
// Constant Definitions
//////////////////////////////////////////////////////////////////////////////
DEFINE_THISCLASS( "CEnumClusCfgManagedResources" );
//*************************************************************************//
/////////////////////////////////////////////////////////////////////////////
// CEnumClusCfgManagedResources class
/////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//++
//
// CEnumClusCfgManagedResources::S_HrCreateInstance
//
// Description:
// Create a CEnumClusCfgManagedResources instance.
//
// Arguments:
// None.
//
// Return Values:
// Pointer to CEnumClusCfgManagedResources instance.
//
//--
//////////////////////////////////////////////////////////////////////////////
HRESULT
CEnumClusCfgManagedResources::S_HrCreateInstance( IUnknown ** ppunkOut )
{
TraceFunc( "" );
HRESULT hr = S_OK;
CEnumClusCfgManagedResources * peccmr = NULL;
if ( ppunkOut == NULL )
{
hr = THR( E_POINTER );
goto Cleanup;
} // if:
peccmr = new CEnumClusCfgManagedResources();
if ( peccmr == NULL )
{
hr = THR( E_OUTOFMEMORY );
goto Cleanup;
} // if: error allocating object
hr = THR( peccmr->HrInit() );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if: HrInit() failed
hr = THR( peccmr->TypeSafeQI( IUnknown, ppunkOut ) );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if: QI failed
Cleanup:
if ( FAILED( hr ) )
{
LogMsg( L"[SRV] CEnumClusCfgManagedResources::S_HrCreateInstance() failed. (hr = %#08x)", hr );
} // if:
if ( peccmr != NULL )
{
peccmr->Release();
} // if:
HRETURN( hr );
} //*** CEnumClusCfgManagedResources::S_HrCreateInstance
//////////////////////////////////////////////////////////////////////////////
//++
//
// CEnumClusCfgManagedResources::CEnumClusCfgManagedResources
//
// Description:
// Constructor of the CEnumClusCfgManagedResources class. This initializes
// the m_cRef variable to 1 instead of 0 to account of possible
// QueryInterface failure in DllGetClassObject.
//
// Arguments:
// None.
//
// Return Value:
// None.
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
CEnumClusCfgManagedResources::CEnumClusCfgManagedResources( void )
: m_cRef( 1 )
, m_lcid( LOCALE_NEUTRAL )
{
TraceFunc( "" );
Assert( m_idxNextEnum == 0 );
Assert( m_idxCurrentEnum == 0 );
Assert( m_picccCallback == NULL );
Assert( m_pIWbemServices == NULL );
Assert( m_prgEnums == NULL );
Assert( m_cTotalResources == 0);
Assert( !m_fLoadedDevices );
Assert( m_bstrNodeName == NULL );
// Increment the count of components in memory so the DLL hosting this
// object cannot be unloaded.
InterlockedIncrement( &g_cObjects );
TraceFuncExit();
} //*** CEnumClusCfgManagedResources::CEnumClusCfgManagedResources
//////////////////////////////////////////////////////////////////////////////
//++
//
// CEnumClusCfgManagedResources::~CEnumClusCfgManagedResources
//
// Description:
// Desstructor of the CEnumClusCfgManagedResources class.
//
// Arguments:
// None.
//
// Return Value:
// None.
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
CEnumClusCfgManagedResources::~CEnumClusCfgManagedResources( void )
{
TraceFunc( "" );
ULONG idx;
if ( m_pIWbemServices != NULL )
{
m_pIWbemServices->Release();
} // if:
if ( m_picccCallback != NULL )
{
m_picccCallback->Release();
} // if:
for ( idx = 0; idx < m_idxNextEnum; idx++ )
{
Assert( (m_prgEnums[ idx ]).punk != NULL );
(m_prgEnums[ idx ]).punk->Release();
TraceSysFreeString( (m_prgEnums[ idx ]).bstrComponentName );
} // for: each enum in the array...
TraceFree( m_prgEnums );
TraceSysFreeString( m_bstrNodeName );
// There's going to be one less component in memory. Decrement component count.
InterlockedDecrement( &g_cObjects );
TraceFuncExit();
} //*** CEnumClusCfgManagedResources::~CEnumClusCfgManagedResources
//*************************************************************************//
/////////////////////////////////////////////////////////////////////////////
// CEnumClusCfgManagedResources -- IUknkown interface.
/////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//++
//
// CEnumClusCfgManagedResources::AddRef
//
// Description:
// Increment the reference count of this object by one.
//
// Arguments:
// None.
//
// Return Value:
// The new reference count.
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP_( ULONG )
CEnumClusCfgManagedResources::AddRef( void )
{
TraceFunc( "[IUnknown]" );
InterlockedIncrement( &m_cRef );
CRETURN( m_cRef );
} //*** CEnumClusCfgManagedResources::AddRef
//////////////////////////////////////////////////////////////////////////////
//++
//
// CEnumClusCfgManagedResources::Release
//
// Description:
// Decrement the reference count of this object by one.
//
// Arguments:
// None.
//
// Return Value:
// The new reference count.
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP_( ULONG )
CEnumClusCfgManagedResources::Release( void )
{
TraceFunc( "[IUnknown]" );
LONG cRef;
cRef = InterlockedDecrement( &m_cRef );
if ( cRef == 0 )
{
TraceDo( delete this );
} // if: reference count equal to zero
CRETURN( cRef );
} //*** CEnumClusCfgManagedResources::Release
//////////////////////////////////////////////////////////////////////////////
//++
//
// CEnumClusCfgManagedResources::QueryInterface
//
// Description:
// Query this object for the passed in interface.
//
// Arguments:
// riidIn
// Id of interface requested.
//
// ppvOut
// Pointer to the requested interface.
//
// Return Value:
// S_OK
// If the interface is available on this object.
//
// E_NOINTERFACE
// If the interface is not available.
//
// E_POINTER
// ppvOut was NULL.
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CEnumClusCfgManagedResources::QueryInterface(
REFIID riidIn
, void ** ppvOut
)
{
TraceQIFunc( riidIn, ppvOut );
HRESULT hr = S_OK;
//
// Validate arguments.
//
Assert( ppvOut != NULL );
if ( ppvOut == NULL )
{
hr = THR( E_POINTER );
goto Cleanup;
}
//
// Handle known interfaces.
//
if ( IsEqualIID( riidIn, IID_IUnknown ) )
{
*ppvOut = static_cast< IEnumClusCfgManagedResources * >( this );
} // if: IUnknown
else if ( IsEqualIID( riidIn, IID_IEnumClusCfgManagedResources ) )
{
*ppvOut = TraceInterface( __THISCLASS__, IEnumClusCfgManagedResources, this, 0 );
} // else if: IEnumClusCfgManagedResources
else if ( IsEqualIID( riidIn, IID_IClusCfgWbemServices ) )
{
*ppvOut = TraceInterface( __THISCLASS__, IClusCfgWbemServices, this, 0 );
} // else if: IClusCfgWbemServices
else if ( IsEqualIID( riidIn, IID_IClusCfgInitialize ) )
{
*ppvOut = TraceInterface( __THISCLASS__, IClusCfgInitialize, this, 0 );
} // else if: IClusCfgInitialize
else
{
*ppvOut = NULL;
hr = E_NOINTERFACE;
}
//
// Add a reference to the interface if successful.
//
if ( SUCCEEDED( hr ) )
{
((IUnknown *) *ppvOut)->AddRef();
} // if: success
Cleanup:
QIRETURN_IGNORESTDMARSHALLING( hr, riidIn );
} //*** CEnumClusCfgManagedResources::QueryInterface
//*************************************************************************//
/////////////////////////////////////////////////////////////////////////////
// CEnumClusCfgManagedResources -- IClusCfgWbemServices interface.
/////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//++
//
// CEnumClusCfgManagedResources::SetWbemServices
//
// Description:
// Set the WBEM services provider.
//
// Arguments:
// IN IWbemServices pIWbemServicesIn
//
// Return Value:
// S_OK
// Success
//
// E_POINTER
// The pIWbemServicesIn param is NULL.
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CEnumClusCfgManagedResources::SetWbemServices( IWbemServices * pIWbemServicesIn )
{
TraceFunc( "[IClusCfgWbemServices]" );
HRESULT hr = S_OK;
if ( pIWbemServicesIn == NULL )
{
hr = THR( E_POINTER );
STATUS_REPORT_REF( TASKID_Major_Find_Devices, TASKID_Minor_SetWbemServices_Enum_Resources, IDS_ERROR_NULL_POINTER, IDS_ERROR_NULL_POINTER_REF, hr );
goto Cleanup;
} // if:
m_pIWbemServices = pIWbemServicesIn;
m_pIWbemServices->AddRef();
Cleanup:
HRETURN( hr );
} //*** CEnumClusCfgManagedResources::SetWbemServices
//*************************************************************************//
/////////////////////////////////////////////////////////////////////////////
// CEnumClusCfgManagedResources -- IClusCfgInitialize interface.
/////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//++
//
// CEnumClusCfgManagedResources::Initialize
//
// Description:
// Initialize this component.
//
// Arguments:
// IN IUknown * punkCallbackIn
//
// IN LCID lcidIn
//
// Return Value:
// S_OK
// Success
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CEnumClusCfgManagedResources::Initialize(
IUnknown * punkCallbackIn,
LCID lcidIn
)
{
TraceFunc( "[IClusCfgInitialize]" );
Assert( m_picccCallback == NULL );
HRESULT hr = S_OK;
m_lcid = lcidIn;
if ( punkCallbackIn == NULL )
{
hr = THR( E_POINTER );
goto Cleanup;
} // if:
hr = THR( punkCallbackIn->TypeSafeQI( IClusCfgCallback, &m_picccCallback ) );
Cleanup:
HRETURN( hr );
} //*** CEnumClusCfgManagedResources::Initialize
//*************************************************************************//
/////////////////////////////////////////////////////////////////////////////
// CEnumClusCfgManagedResources -- IEnumClusCfgManagedResources interface.
/////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//++
//
// CEnumClusCfgManagedResources::Next
//
// Description:
//
// Arguments:
//
// Return Value:
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CEnumClusCfgManagedResources::Next(
ULONG cNumberRequestedIn
, IClusCfgManagedResourceInfo ** rgpManagedResourceInfoOut
, ULONG * pcNumberFetchedOut
)
{
TraceFunc( "[IEnumClusCfgManagedResources]" );
Assert( rgpManagedResourceInfoOut != NULL );
Assert( ( cNumberRequestedIn <= 1 ) || ( pcNumberFetchedOut != NULL ) );
HRESULT hr;
ULONG cFetched = 0;
if ( rgpManagedResourceInfoOut == NULL )
{
hr = THR( E_POINTER );
STATUS_REPORT_REF( TASKID_Major_Find_Devices, TASKID_Minor_Next_Enum_Resources, IDS_ERROR_NULL_POINTER, IDS_ERROR_NULL_POINTER_REF, hr );
goto Cleanup;
} // if:
//
// pcNumberFetchedOut can only be NULL when the number requested is 1.
//
if ( ( pcNumberFetchedOut == NULL )
&& ( cNumberRequestedIn > 1 ) )
{
hr = THR( E_INVALIDARG );
STATUS_REPORT_REF( TASKID_Major_Find_Devices, TASKID_Minor_Next_Enum_Resources, IDS_ERROR_NULL_POINTER, IDS_ERROR_NULL_POINTER_REF, hr );
goto Cleanup;
} // if:
if ( m_fLoadedDevices == FALSE )
{
hr = THR( HrLoadEnum() );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
} // if:
hr = STHR( HrDoNext( cNumberRequestedIn, rgpManagedResourceInfoOut, &cFetched ) );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
//
// Do they want the out count?
//
if ( pcNumberFetchedOut != NULL )
{
*pcNumberFetchedOut = cFetched;
} // if:
Cleanup:
HRETURN( hr );
} //*** CEnumClusCfgManagedResources::Next
//////////////////////////////////////////////////////////////////////////////
//++
//
// CEnumClusCfgManagedResources::Skip
//
// Description:
//
// Arguments:
//
// Return Value:
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CEnumClusCfgManagedResources::Skip( ULONG cNumberToSkipIn )
{
TraceFunc( "[IEnumClusCfgManagedResources]" );
HRESULT hr = S_FALSE;
if ( cNumberToSkipIn > 0 )
{
hr = STHR( HrDoSkip( cNumberToSkipIn ) );
} // if:
HRETURN( hr );
} //*** CEnumClusCfgManagedResources::Skip
//////////////////////////////////////////////////////////////////////////////
//++
//
// CEnumClusCfgManagedResources::Reset
//
// Description:
//
// Arguments:
//
// Return Value:
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CEnumClusCfgManagedResources::Reset( void )
{
TraceFunc( "[IEnumClusCfgManagedResources]" );
HRESULT hr;
hr = STHR( HrDoReset() );
HRETURN( hr );
} //*** CEnumClusCfgManagedResources::Reset
//////////////////////////////////////////////////////////////////////////////
//++
//
// CEnumClusCfgManagedResources::Clone
//
// Description:
//
// Arguments:
//
// Return Value:
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CEnumClusCfgManagedResources::Clone(
IEnumClusCfgManagedResources ** ppEnumClusCfgManagedResourcesOut
)
{
TraceFunc( "[IEnumClusCfgManagedResources]" );
HRESULT hr = S_OK;
if ( ppEnumClusCfgManagedResourcesOut == NULL )
{
hr = THR( E_POINTER );
STATUS_REPORT_REF( TASKID_Major_Find_Devices, TASKID_Minor_Clone_Enum_Resources, IDS_ERROR_NULL_POINTER, IDS_ERROR_NULL_POINTER_REF, hr );
goto Cleanup;
} // else:
hr = THR( HrDoClone( ppEnumClusCfgManagedResourcesOut ) );
Cleanup:
HRETURN( hr );
} //*** CEnumClusCfgManagedResources::Clone
//////////////////////////////////////////////////////////////////////////////
//++
//
// CEnumClusCfgManagedResources::Count
//
// Description:
//
// Arguments:
//
// Return Value:
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CEnumClusCfgManagedResources::Count( DWORD * pnCountOut )
{
TraceFunc( "[IEnumClusCfgManagedResources]" );
HRESULT hr = S_OK;
if ( pnCountOut == NULL )
{
hr = THR( E_POINTER );
goto Cleanup;
} // if:
if ( !m_fLoadedDevices )
{
hr = THR( HrLoadEnum() );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
} // if:
*pnCountOut = m_cTotalResources;
Cleanup:
HRETURN( hr );
} //*** CEnumClusCfgManagedResources::Count
//*************************************************************************//
/////////////////////////////////////////////////////////////////////////////
// CEnumClusCfgManagedResources class -- Private Methods.
/////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//++
//
// CEnumClusCfgManagedResources::HrInit
//
// Description:
// Initialize this component.
//
// Arguments:
// None.
//
// Return Value:
// S_OK - Success.
// Other HRESULTs.
//
//--
//////////////////////////////////////////////////////////////////////////////
HRESULT
CEnumClusCfgManagedResources::HrInit( void )
{
TraceFunc( "" );
HRESULT hr = S_OK;
// IUnknown
Assert( m_cRef == 1 );
hr = THR( HrGetComputerName(
ComputerNameDnsHostname
, &m_bstrNodeName
, TRUE // fBestEffortIn
) );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
Cleanup:
HRETURN( hr );
} //*** CEnumClusCfgManagedResources::HrInit
//////////////////////////////////////////////////////////////////////////////
//++
//
// CEnumClusCfgManagedResources::HrLoadEnum
//
// Description:
// Load this enumerator.
//
// Arguments:
// None.
//
// Return Value:
//
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
HRESULT
CEnumClusCfgManagedResources::HrLoadEnum( void )
{
TraceFunc( "" );
Assert( m_prgEnums == NULL );
HRESULT hr = S_OK;
IUnknown * punk = NULL;
ICatInformation * pici = NULL;
CATID rgCatIds[ 1 ];
IEnumCLSID * pieclsids = NULL;
IEnumClusCfgManagedResources * pieccmr = NULL;
CLSID clsid;
ULONG cFetched;
WCHAR szGUID[ 64 ];
int cch;
BSTR bstrComponentName = NULL;
rgCatIds[ 0 ] = CATID_EnumClusCfgManagedResources;
hr = THR( CoCreateInstance( CLSID_StdComponentCategoriesMgr, NULL, CLSCTX_INPROC_SERVER, IID_ICatInformation, (void **) &pici ) );
if ( FAILED( hr ) )
{
goto Cleanup;
}
hr = THR( pici->EnumClassesOfCategories( 1, rgCatIds, 0, NULL, &pieclsids ) );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
for ( ; ; )
{
//
// Cleanup.
//
if ( punk != NULL )
{
punk->Release();
punk = NULL;
} // if:
TraceSysFreeString( bstrComponentName );
bstrComponentName = NULL;
hr = STHR( pieclsids->Next( 1, &clsid, &cFetched ) );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
//
// When hr is S_FALSE and the count is 0 then the enum is really
// at the end.
//
if ( ( hr == S_FALSE ) && ( cFetched == 0 ) )
{
hr = S_OK;
break;
} // if:
//
// Create a GUID string for logging purposes...
//
cch = StringFromGUID2( clsid, szGUID, RTL_NUMBER_OF( szGUID ) );
Assert( cch > 0 ); // 64 chars should always hold a guid!
//
// Get the best name we have available for the COM component. If for
// any reason we cannot get the name then make one up and continue.
//
hr = THR( HrGetDefaultComponentNameFromRegistry( &clsid, &bstrComponentName ) );
if ( FAILED( hr ) )
{
bstrComponentName = TraceSysAllocString( L"<Unknown> component" );
if ( bstrComponentName == NULL )
{
hr = THR( E_OUTOFMEMORY );
goto Cleanup;
} // if:
} // if:
//
// If we cannot create the component then log the error and continue. We should load as many components as we can.
//
hr = THR( HrCoCreateInternalInstance( clsid, NULL, CLSCTX_SERVER, IID_IEnumClusCfgManagedResources, (void **) &pieccmr ) );
if ( FAILED( hr ) )
{
LOG_STATUS_REPORT_STRING_MINOR2( TASKID_Minor_MREnum_Cannot_Create_Component, L"Could not create component %1!ws! %2!ws!.", bstrComponentName, szGUID, hr );
hr = S_OK;
continue;
} // if:
//
// If we cannot QI the component then log the error and continue. We should load as many components as we can.
//
hr = THR( pieccmr->TypeSafeQI( IUnknown, &punk ) );
if ( FAILED( hr ) )
{
LOG_STATUS_REPORT_STRING_MINOR2( TASKID_Minor_MREnum_Cannot_QI_Component_For_Punk, L"Could not QI for IUnknown on component %1!ws! %2!ws!.", bstrComponentName, szGUID, hr );
hr = S_OK;
continue;
} // if:
punk = TraceInterface( L"IEnumClusCfgManagedResources", IUnknown, punk, 1 );
pieccmr->Release();
pieccmr = NULL;
//
// If this fails then simply skip it and move on...
//
hr = HrInitializeAndSaveEnum( punk, &clsid, bstrComponentName );
if ( FAILED( hr ) )
{
LOG_STATUS_REPORT_STRING_MINOR2( TASKID_Minor_MREnum_Cannot_Save_Provider, L"Could not save enumerator component %1!ws! %2!ws!.", bstrComponentName, szGUID, hr );
hr = S_OK;
continue;
} // if:
if ( hr == S_OK )
{
m_fLoadedDevices = TRUE; // there is at least one provider loaded.
} // if:
} // for: each CLSID that implements our CATID...
hr = STHR( HrLoadUnknownQuorumProvider() );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
Cleanup:
if ( pieclsids != NULL )
{
pieclsids->Release();
} // if:
if ( pici != NULL )
{
pici->Release();
} // if:
if ( pieccmr != NULL )
{
pieccmr->Release();
} // if:
if ( punk != NULL )
{
punk->Release();
} // if:
TraceSysFreeString( bstrComponentName );
HRETURN( hr );
} //*** CEnumClusCfgManagedResources::HrLoadEnum
//////////////////////////////////////////////////////////////////////////////
//++
//
// CEnumClusCfgManagedResources::HrDoNext
//
// Description:
// Gets the required number of elements from the contained physical disk
// and optional 3rd party device enumerations.
//
// Arguments:
//
// Return Value:
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
HRESULT
CEnumClusCfgManagedResources::HrDoNext(
ULONG cNumberRequestedIn
, IClusCfgManagedResourceInfo ** rgpManagedResourceInfoOut
, ULONG * pcNumberFetchedOut
)
{
TraceFunc( "" );
Assert( rgpManagedResourceInfoOut != NULL );
Assert( pcNumberFetchedOut != NULL );
Assert( m_prgEnums != NULL );
HRESULT hr = S_FALSE;
IEnumClusCfgManagedResources * peccsd = NULL;
ULONG cRequested = cNumberRequestedIn;
ULONG cFetched = 0;
ULONG cTotal = 0;
IClusCfgManagedResourceInfo ** ppccmriTemp = rgpManagedResourceInfoOut;
int cch;
WCHAR szGUID[ 64 ];
//
// Call each enumerator in the list trying to get the number of requested
// items. Note that we may call the same enumerator more than once in
// this loop. The second call is to ensure that we are really at the
// end of the enumerator.
//
LOG_STATUS_REPORT_STRING3( L"[SRV] Enumerating resources. Total Requested:%1!d!; Current enum index:%2!d!; Total Enums:%3!d!.", cNumberRequestedIn, m_idxCurrentEnum, m_idxNextEnum, hr );
while ( m_idxCurrentEnum < m_idxNextEnum )
{
//
// Cleanup.
//
if ( peccsd != NULL )
{
peccsd->Release();
peccsd = NULL;
} // if:
cch = StringFromGUID2( (m_prgEnums[ m_idxCurrentEnum ]).clsid, szGUID, RTL_NUMBER_OF( szGUID ) );
Assert( cch > 0 ); // 64 chars should always hold a guid!
Assert( (m_prgEnums[ m_idxCurrentEnum ]).punk != NULL );
hr = THR( (m_prgEnums[ m_idxCurrentEnum ]).punk->TypeSafeQI( IEnumClusCfgManagedResources, &peccsd ) );
if ( FAILED( hr ) )
{
HRESULT hrTemp;
//
// Convert this into a warning in the UI...
//
hrTemp = MAKE_HRESULT( SEVERITY_SUCCESS, HRESULT_FACILITY( hr ), HRESULT_CODE( hr ) );
//
// If we cannot QI for the enum then move on to the next one.
//
STATUS_REPORT_STRING2_REF(
TASKID_Major_Find_Devices
, TASKID_Minor_Enum_Enum_QI_Failed
, IDS_WARNING_SKIPPING_ENUM
, (m_prgEnums[ m_idxCurrentEnum ]).bstrComponentName
, szGUID
, IDS_WARNING_SKIPPING_ENUM
, hrTemp
);
m_idxCurrentEnum++;
continue;
} // if:
hr = STHR( peccsd->Next( cRequested, ppccmriTemp, &cFetched ) );
if ( FAILED( hr ) )
{
HRESULT hrTemp;
//
// Convert this into a warning in the UI...
//
hrTemp = MAKE_HRESULT( SEVERITY_SUCCESS, HRESULT_FACILITY( hr ), HRESULT_CODE( hr ) );
//
// If this enumerator fails for anyreason then we should skip it
// and move on to the next one.
//
STATUS_REPORT_STRING2_REF(
TASKID_Major_Find_Devices
, TASKID_Minor_Enum_Enum_Next_Failed
, IDS_WARNING_SKIPPING_ENUM
, (m_prgEnums[ m_idxCurrentEnum ]).bstrComponentName
, szGUID
, IDS_WARNING_SKIPPING_ENUM
, hrTemp
);
m_idxCurrentEnum++;
continue;
} // if:
else if ( hr == S_OK )
{
cTotal += cFetched;
//
// We can only return S_OK if the number of elements returned is equal to
// the number of elements requested. If the number request is greater than
// the number returned then we must return S_FALSE.
//
Assert( cNumberRequestedIn == cTotal );
*pcNumberFetchedOut = cTotal;
break;
} // else if: hr == S_OK
else if ( hr == S_FALSE )
{
//
// The only time that we can be certain that an enumerator is
// empty is to get S_FALSE and no elements returned. Now that
// the current enumerator empty move up to the next one in the
// list.
//
if ( cFetched == 0 )
{
m_idxCurrentEnum++;
continue;
} // if:
//
// Update the totals...
//
cTotal += cFetched;
*pcNumberFetchedOut = cTotal;
cRequested -= cFetched;
//
// If we got some items and still got S_FALSE then we have to
// retry the current enumerator.
//
if ( cRequested > 0 )
{
ppccmriTemp += cFetched;
continue;
} // if: Safety check... Ensure that we still need more elements...
else
{
//
// We should not have decremented requested items below zero!
//
hr = S_FALSE;
LOG_STATUS_REPORT_MINOR( TASKID_Minor_MREnum_Negative_Item_Count, L"The managed resources enumerator tried to return more items than asked for.", hr );
goto Cleanup;
} // else: Should not get here...
} // if: hr == S_FALSE
else
{
//
// Should not get here as we are in an unknown state...
//
LOG_STATUS_REPORT_MINOR( TASKID_Minor_MREnum_Unknown_State, L"The managed resources enumerator encountered an unknown state.", hr );
goto Cleanup;
} // else: unexpected hresult...
} // while: more enumerators in the list
//
// If we haven't honored the complete request then we must return
// S_FALSE;
//
if ( *pcNumberFetchedOut < cNumberRequestedIn )
{
hr = S_FALSE;
} // if:
Cleanup:
if ( peccsd != NULL )
{
peccsd->Release();
} // if:
HRETURN( hr );
} //*** CEnumClusCfgManagedResources::HrDoNext
//////////////////////////////////////////////////////////////////////////////
//++
//
// CEnumClusCfgManagedResources::HrDoSkip
//
// Description:
// Skips the required number of elements in the contained physical disk
// and optional 3rd party device enumerations.
//
// Arguments:
//
// Return Value:
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
HRESULT
CEnumClusCfgManagedResources::HrDoSkip(
ULONG cNumberToSkipIn
)
{
TraceFunc( "" );
Assert( m_prgEnums != NULL );
HRESULT hr = S_FALSE;
IEnumClusCfgManagedResources * peccsd = NULL;
ULONG cSkipped = 0;
for ( ; m_idxCurrentEnum < m_idxNextEnum; )
{
hr = THR( (m_prgEnums[ m_idxCurrentEnum ]).punk->TypeSafeQI( IEnumClusCfgManagedResources, &peccsd ) );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
do
{
hr = STHR( peccsd->Skip( 1 ) );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
if ( hr == S_FALSE )
{
m_idxCurrentEnum++;
break;
} // if:
}
while( cNumberToSkipIn >= (++cSkipped) );
peccsd->Release();
peccsd = NULL;
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
if ( cNumberToSkipIn == cSkipped )
{
break;
} // if:
} // for:
Cleanup:
if ( peccsd != NULL )
{
peccsd->Release();
} // if:
HRETURN( hr );
} //*** CEnumClusCfgManagedResources::HrDoSkip
//////////////////////////////////////////////////////////////////////////////
//++
//
// CEnumClusCfgManagedResources::HrDoReset
//
// Description:
// Resets the elements in the contained physical disk and optional 3rd
// party device enumerations.
//
// Arguments:
//
// Return Value:
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
HRESULT
CEnumClusCfgManagedResources::HrDoReset( void )
{
TraceFunc( "" );
HRESULT hr = S_FALSE;
IEnumClusCfgManagedResources * peccsd;
ULONG idx;
m_idxCurrentEnum = 0;
for ( idx = m_idxCurrentEnum; idx < m_idxNextEnum; idx++ )
{
Assert( m_prgEnums != NULL );
hr = THR( (m_prgEnums[ idx ]).punk->TypeSafeQI( IEnumClusCfgManagedResources, &peccsd ) );
if ( FAILED( hr ) )
{
break;
} // if:
hr = STHR( peccsd->Reset() );
peccsd->Release();
if ( FAILED( hr ) )
{
break;
} // if:
} // for:
HRETURN( hr );
} //*** CEnumClusCfgManagedResources::HrDoReset
//////////////////////////////////////////////////////////////////////////////
//++
//
// CEnumClusCfgManagedResources::HrDoClone
//
// Description:
// Clones the elements in the contained physical disk and optional 3rd
// party device enumerations.
//
// Arguments:
//
// Return Value:
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
HRESULT
CEnumClusCfgManagedResources::HrDoClone(
IEnumClusCfgManagedResources ** ppEnumClusCfgManagedResourcesOut
)
{
TraceFunc( "" );
HRESULT hr = THR( E_NOTIMPL );
HRETURN( hr );
} //*** CEnumClusCfgManagedResources::HrDoClone
/////////////////////////////////////////////////////////////////////////////
//++
//
// CEnumClusCfgManagedResources:HrAddToEnumsArray
//
// Description:
// Add the passed in punk to the array of punks that holds the enums.
//
// Arguments:
//
//
// Return Value:
// S_OK
// Success
//
// E_OUTOFMEMORY
// Couldn't allocate memeory.
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
HRESULT
CEnumClusCfgManagedResources::HrAddToEnumsArray(
IUnknown * punkIn
, CLSID * pclsidIn
, BSTR bstrComponentNameIn
)
{
TraceFunc( "" );
Assert( punkIn != NULL );
Assert( pclsidIn != NULL );
Assert( bstrComponentNameIn != NULL );
HRESULT hr = S_OK;
SEnumInfo * prgEnums = NULL;
IEnumClusCfgManagedResources * pieccmr = NULL;
DWORD nAmountToAdd = 0;
hr = punkIn->TypeSafeQI( IEnumClusCfgManagedResources, &pieccmr );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
hr = pieccmr->Count( &nAmountToAdd );
if ( FAILED( hr ) )
{
WCHAR szGUID[ 64 ];
int cch;
HRESULT hrTemp;
//
// Convert this into a warning in the UI...
//
hrTemp = MAKE_HRESULT( SEVERITY_SUCCESS, HRESULT_FACILITY( hr ), HRESULT_CODE( hr ) );
cch = StringFromGUID2( *pclsidIn, szGUID, RTL_NUMBER_OF( szGUID ) );
Assert( cch > 0 ); // 64 chars should always hold a guid!
STATUS_REPORT_STRING2_REF(
TASKID_Major_Find_Devices
, TASKID_Minor_Enum_Enum_Count_Failed
, IDS_WARNING_SKIPPING_ENUM
, bstrComponentNameIn
, szGUID
, IDS_WARNING_SKIPPING_ENUM
, hrTemp
);
goto Cleanup;
} // if:
prgEnums = (SEnumInfo *) TraceReAlloc( m_prgEnums, sizeof( SEnumInfo ) * ( m_idxNextEnum + 1 ), HEAP_ZERO_MEMORY );
if ( prgEnums == NULL )
{
hr = THR( E_OUTOFMEMORY );
STATUS_REPORT_REF( TASKID_Major_Find_Devices, TASKID_Minor_HrAddToEnumsArray, IDS_ERROR_OUTOFMEMORY, IDS_ERROR_OUTOFMEMORY_REF, hr );
goto Cleanup;
} // if:
m_prgEnums = prgEnums;
//
// Fill in the newly allocated struct.
//
(m_prgEnums[ m_idxNextEnum ]).punk = punkIn;
(m_prgEnums[ m_idxNextEnum ]).punk->AddRef();
CopyMemory( &((m_prgEnums[ m_idxNextEnum ]).clsid), pclsidIn, sizeof( ( m_prgEnums[ m_idxNextEnum ]).clsid ) );
//
// Capture the component name. We don't really care if this fails.
// Simply show the popup for anyone who may be watching and continue on.
//
(m_prgEnums[ m_idxNextEnum ]).bstrComponentName = TraceSysAllocString( bstrComponentNameIn );
if ( (m_prgEnums[ m_idxNextEnum ]).bstrComponentName == NULL )
{
THR( E_OUTOFMEMORY );
} // if:
//
// Increment the enum index pointer.
//
m_idxNextEnum++;
m_cTotalResources += nAmountToAdd;
Cleanup:
if ( pieccmr != NULL )
{
pieccmr->Release();
}
HRETURN( hr );
} //*** CEnumClusCfgManagedResources::HrAddToEnumsArray
/////////////////////////////////////////////////////////////////////////////
//++
//
// CEnumClusCfgManagedResources:HrLoadUnknownQuorumProvider
//
// Description:
// Since we cannot resonable expect every 3rd party quorum vender
// to write a "provider" for their device for this setup wizard
// we need a proxy to represent that quorum device. The "unknown"
// is just such a proxy.
//
// Arguments:
// None.
//
// Return Value:
// S_OK
// Success
//
// E_OUTOFMEMORY
// Couldn't allocate memeory.
//
// Remarks:
// If this node is clustered and we do not find a device that is
// already the quorum then we need to make the "unknown" quorum
// the quorum device.
//
//--
//////////////////////////////////////////////////////////////////////////////
HRESULT
CEnumClusCfgManagedResources::HrLoadUnknownQuorumProvider( void )
{
TraceFunc( "" );
HRESULT hr = S_OK;
IUnknown * punk = NULL;
BOOL fNeedQuorum = FALSE;
BOOL fQuormIsOwnedByThisNode = FALSE;
BSTR bstrQuorumResourceName = NULL;
BSTR bstrComponentName = NULL;
hr = STHR( HrIsClusterServiceRunning() );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
if ( hr == S_OK )
{
hr = STHR( HrIsThereAQuorumDevice() );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
if ( hr == S_FALSE )
{
fNeedQuorum = TRUE;
} // if:
hr = THR( HrGetQuorumResourceName( &bstrQuorumResourceName, &fQuormIsOwnedByThisNode ) );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
} // if:
//
// If there was not already a quorum, and if this node owns the quorum resource
// then we need the unknown quorum proxy to be set as default to the quorum device.
//
// If we are not running on a cluster node then both are false and the unknown
// quorum proxy will not be set by default to be the quorum.
//
hr = THR( CEnumUnknownQuorum::S_HrCreateInstance( bstrQuorumResourceName, ( fNeedQuorum && fQuormIsOwnedByThisNode ), &punk ) );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
hr = THR( HrLoadStringIntoBSTR( g_hInstance, IDS_ENUM_UNKNOWN_QUORUM_COMPONENT_NAME, &bstrComponentName ) );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
hr = THR( HrInitializeAndSaveEnum( punk, const_cast< CLSID * >( &CLSID_EnumUnknownQuorum ), bstrComponentName ) );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
Cleanup:
if ( punk != NULL )
{
punk->Release();
} // if:
TraceSysFreeString( bstrQuorumResourceName );
TraceSysFreeString( bstrComponentName );
HRETURN( hr );
} //*** CEnumClusCfgManagedResources::HrLoadUnknownQuorumProvider
/////////////////////////////////////////////////////////////////////////////
//++
//
// CEnumClusCfgManagedResources:HrIsClusterServiceRunning
//
// Description:
// Is this node a member of a cluster and is the serice running?
//
// Arguments:
// None.
//
// Return Value:
// S_OK
// The node is clustered and the serivce is running.
//
// S_FALSE
// The node is not clustered, or the serivce is not running.
//
// Win32 Error
// something failed.
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
HRESULT
CEnumClusCfgManagedResources::HrIsClusterServiceRunning( void )
{
TraceFunc( "" );
HRESULT hr = S_FALSE;
DWORD sc;
DWORD dwClusterState;
//
// Get the cluster state of the node.
// Ignore the case where the service does not exist so that
// EvictCleanup can do its job.
//
sc = GetNodeClusterState( NULL, &dwClusterState );
if ( ( sc != ERROR_SUCCESS ) && ( sc != ERROR_SERVICE_DOES_NOT_EXIST ) )
{
hr = HRESULT_FROM_WIN32( TW32( sc ) );
goto Cleanup;
} // if : GetClusterState() failed
if ( dwClusterState == ClusterStateRunning )
{
hr = S_OK;
} // if:
Cleanup:
HRETURN( hr );
} //*** CEnumClusCfgManagedResources::HrIsClusterServiceRunning
/////////////////////////////////////////////////////////////////////////////
//++
//
// CEnumClusCfgManagedResources:HrIsThereAQuorumDevice
//
// Description:
// Is there a quorum device in an enum somewhere?
//
// Arguments:
// None.
//
// Return Value:
// S_OK
// There is a quorum device.
//
// S_FALSE
// There is not a quorum device.
//
// Win32 Error
// something failed.
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
HRESULT
CEnumClusCfgManagedResources::HrIsThereAQuorumDevice( void )
{
TraceFunc( "" );
Assert( m_idxCurrentEnum == 0 );
HRESULT hr = S_OK;
IClusCfgManagedResourceInfo * piccmri = NULL;
DWORD cFetched;
bool fFoundQuorum = false;
for ( ; ; )
{
hr = STHR( Next( 1, &piccmri, &cFetched ) );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
if ( ( hr == S_FALSE ) && ( cFetched == 0 ) )
{
hr = S_OK;
break;
} // if:
hr = STHR( piccmri->IsQuorumResource() );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
if ( hr == S_OK )
{
fFoundQuorum = true;
break;
} // if:
piccmri->Release();
piccmri = NULL;
} // for:
hr = THR( Reset() );
Cleanup:
if ( piccmri != NULL )
{
piccmri->Release();
} // if:
if ( SUCCEEDED( hr ) )
{
if ( fFoundQuorum )
{
hr = S_OK;
} // if:
else
{
hr = S_FALSE;
} // else:
} // if:
HRETURN( hr );
} //*** CEnumClusCfgManagedResources::HrIsThereAQuorumDevice
/////////////////////////////////////////////////////////////////////////////
//++
//
// CEnumClusCfgManagedResources:HrInitializeAndSaveEnum
//
// Description:
// Initialize the passed in enum and add it to the array of enums.
//
// Arguments:
//
// Return Value:
// S_OK
// Success.
//
// S_FALSE
// The provider was not saved.
//
// Win32 Error
// something failed.
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
HRESULT
CEnumClusCfgManagedResources::HrInitializeAndSaveEnum(
IUnknown * punkIn
, CLSID * pclsidIn
, BSTR bstrComponentNameIn
)
{
TraceFunc( "" );
Assert( punkIn != NULL );
Assert( pclsidIn != NULL );
Assert( bstrComponentNameIn != NULL );
HRESULT hr = S_OK;
//
// KB: 13-JUN-2000 GalenB
//
// If S_FALSE is returned don't add this to the array. S_FALSE
// indicates that this enumerator should not be run now.
//
hr = STHR( HrSetInitialize( punkIn, m_picccCallback, m_lcid ) );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
if ( hr == S_FALSE )
{
goto Cleanup;
} // if:
hr = HrSetWbemServices( punkIn, m_pIWbemServices );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
hr = THR( HrAddToEnumsArray( punkIn, pclsidIn, bstrComponentNameIn ) );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
Cleanup:
HRETURN( hr );
} //*** CEnumClusCfgManagedResources::HrInitializeAndSaveEnum
/////////////////////////////////////////////////////////////////////////////
//++
//
// CEnumClusCfgManagedResources:HrGetQuorumResourceName
//
// Description:
// Get the quorum resource name and return whether or not this node
// owns the quorum.
//
// Arguments:
//
// Return Value:
// S_OK
// Success.
//
// Win32 Error
// something failed.
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
HRESULT
CEnumClusCfgManagedResources::HrGetQuorumResourceName(
BSTR * pbstrQuorumResourceNameOut
, BOOL * pfQuormIsOwnedByThisNodeOut
)
{
TraceFunc( "" );
Assert( pbstrQuorumResourceNameOut != NULL );
Assert( pfQuormIsOwnedByThisNodeOut != NULL );
HRESULT hr = S_OK;
DWORD sc;
HCLUSTER hCluster = NULL;
BSTR bstrQuorumResourceName = NULL;
BSTR bstrNodeName = NULL;
HRESOURCE hQuorumResource = NULL;
BSTR bstrLocalNetBIOSName = NULL;
//
// Get netbios name for clusapi calls.
//
hr = THR( HrGetComputerName( ComputerNameNetBIOS, &bstrLocalNetBIOSName, TRUE ) );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
hCluster = OpenCluster( NULL );
if ( hCluster == NULL )
{
sc = TW32( GetLastError() );
hr = HRESULT_FROM_WIN32( sc );
goto Cleanup;
} // if:
hr = THR( HrGetClusterQuorumResource( hCluster, &bstrQuorumResourceName, NULL, NULL ) );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
hQuorumResource = OpenClusterResource( hCluster, bstrQuorumResourceName );
if ( hQuorumResource == NULL )
{
sc = TW32( GetLastError() );
hr = HRESULT_FROM_WIN32( sc );
goto Cleanup;
} // if:
hr = THR( HrGetClusterResourceState( hQuorumResource, &bstrNodeName, NULL, NULL ) );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
//
// Give ownership away.
//
Assert( bstrQuorumResourceName != NULL );
*pbstrQuorumResourceNameOut = bstrQuorumResourceName;
bstrQuorumResourceName = NULL;
*pfQuormIsOwnedByThisNodeOut = ( NBSTRCompareNoCase( bstrLocalNetBIOSName, bstrNodeName ) == 0 );
Cleanup:
if ( hQuorumResource != NULL )
{
CloseClusterResource( hQuorumResource );
} // if:
if ( hCluster != NULL )
{
CloseCluster( hCluster );
} // if:
TraceSysFreeString( bstrQuorumResourceName );
TraceSysFreeString( bstrLocalNetBIOSName );
TraceSysFreeString( bstrNodeName );
HRETURN( hr );
} //*** CEnumClusCfgManagedResources::HrGetQuorumResourceName