Source code of Windows XP (NT5)
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//////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2000-2001 Microsoft Corporation
//
// Module Name:
// CClusCfgCapabilities.cpp
//
// Description:
// This file contains the definition of the CClusCfgCapabilities class.
//
// The class CClusCfgCapabilities is the implementations of the
// IClusCfgCapabilities interface.
//
// Documentation:
//
// Header File:
// CClusCfgCapabilities.h
//
// Maintained By:
// Galen Barbee (GalenB) 12-DEC-2000
//
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
// Include Files
//////////////////////////////////////////////////////////////////////////////
#include "pch.h"
#include "CClusCfgCapabilities.h"
#include <ClusRtl.h>
//////////////////////////////////////////////////////////////////////////////
// Constant Definitions
//////////////////////////////////////////////////////////////////////////////
DEFINE_THISCLASS( "CClusCfgCapabilities" );
//*************************************************************************//
/////////////////////////////////////////////////////////////////////////////
// CClusCfgCapabilities class
/////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//++
//
// CClusCfgCapabilities::S_HrCreateInstance
//
// Description:
// Create a CClusCfgCapabilities instance.
//
// Arguments:
// ppunkOut -
//
// Return Values:
// Pointer to CClusCfgCapabilities instance.
//
//--
//////////////////////////////////////////////////////////////////////////////
HRESULT
CClusCfgCapabilities::S_HrCreateInstance( IUnknown ** ppunkOut )
{
TraceFunc( "" );
HRESULT hr;
CClusCfgCapabilities * pccs = NULL;
if ( ppunkOut == NULL )
{
hr = THR( E_POINTER );
goto Cleanup;
} // if:
pccs = new CClusCfgCapabilities();
if ( pccs == NULL )
{
hr = THR( E_OUTOFMEMORY );
goto Cleanup;
} // if: error allocating object
hr = THR( pccs->HrInit() );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if: HrInit() failed
hr = THR( pccs->TypeSafeQI( IUnknown, ppunkOut ) );
Cleanup:
if ( FAILED( hr ) )
{
LogMsg( L"[SRV] CClusCfgCapabilities::S_HrCreateInstance() failed. (hr = %#08x)", hr );
} // if:
if ( pccs != NULL )
{
pccs->Release();
} // if:
HRETURN( hr );
} //*** CClusCfgCapabilities::S_HrCreateInstance
//////////////////////////////////////////////////////////////////////////////
//++
//
// IUnknown *
// CClusCfgCapabilities::S_RegisterCatIDSupport
//
// Description:
// Registers/unregisters this class with the categories that it belongs
// to.
//
// Arguments:
// IN ICatRegister * picrIn
// Used to register/unregister our CATID support.
//
// IN BOOL fCreateIn
// When true we are registering the server. When false we are
// un-registering the server.
//
// Return Values:
// S_OK
// Success.
//
// E_INVALIDARG
// The passed in ICatRgister pointer was NULL.
//
// other HRESULTs
// Registration/Unregistration failed.
//
//--
//////////////////////////////////////////////////////////////////////////////
HRESULT
CClusCfgCapabilities::S_RegisterCatIDSupport(
ICatRegister * picrIn,
BOOL fCreateIn
)
{
TraceFunc( "" );
HRESULT hr = S_OK;
CATID rgCatIds[ 1 ];
if ( picrIn == NULL )
{
hr = THR( E_INVALIDARG );
goto Cleanup;
} // if:
rgCatIds[ 0 ] = CATID_ClusCfgCapabilities;
if ( fCreateIn )
{
hr = THR( picrIn->RegisterClassImplCategories( CLSID_ClusCfgCapabilities, 1, rgCatIds ) );
} // if:
Cleanup:
HRETURN( hr );
} //*** CClusCfgCapabilities::S_RegisterCatIDSupport
//////////////////////////////////////////////////////////////////////////////
//++
//
// CClusCfgCapabilities::CClusCfgCapabilities
//
// Description:
// Constructor of the CClusCfgCapabilities 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.
//
//--
//////////////////////////////////////////////////////////////////////////////
CClusCfgCapabilities::CClusCfgCapabilities( void )
: m_cRef( 1 )
, m_lcid( LOCALE_NEUTRAL )
{
TraceFunc( "" );
// Increment the count of components in memory so the DLL hosting this
// object cannot be unloaded.
InterlockedIncrement( &g_cObjects );
Assert( m_picccCallback == NULL );
TraceFuncExit();
} //*** CClusCfgCapabilities::CClusCfgCapabilities
//////////////////////////////////////////////////////////////////////////////
//++
//
// CClusCfgCapabilities::~CClusCfgCapabilities
//
// Description:
// Destructor of the CClusCfgCapabilities class.
//
// Arguments:
// None.
//
// Return Value:
// None.
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
CClusCfgCapabilities::~CClusCfgCapabilities( void )
{
TraceFunc( "" );
if ( m_picccCallback != NULL )
{
m_picccCallback->Release();
} // if:
// There's going to be one less component in memory. Decrement component count.
InterlockedDecrement( &g_cObjects );
TraceFuncExit();
} //*** CClusCfgCapabilities::~CClusCfgCapabilities
//*************************************************************************//
/////////////////////////////////////////////////////////////////////////////
// CClusCfgCapabilities -- IUknkown interface.
/////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//++
//
// STDMETHODIMP_( ULONG )
// CClusCfgCapabilities:: [IUNKNOWN] AddRef
//
// Description:
// Increment the reference count of this object by one.
//
// Arguments:
// None.
//
// Return Value:
// The new reference count.
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP_( ULONG )
CClusCfgCapabilities::AddRef( void )
{
TraceFunc( "[IUnknown]" );
InterlockedIncrement( & m_cRef );
RETURN( m_cRef );
} //*** CClusCfgCapabilities::AddRef
//////////////////////////////////////////////////////////////////////////////
//++
//
// STDMETHODIMP_( ULONG )
// CClusCfgCapabilities:: [IUNKNOWN] Release
//
// Description:
// Decrement the reference count of this object by one.
//
// Arguments:
// None.
//
// Return Value:
// The new reference count.
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP_( ULONG )
CClusCfgCapabilities::Release( void )
{
TraceFunc( "[IUnknown]" );
LONG cRef;
cRef = InterlockedDecrement( &m_cRef );
if ( cRef == 0 )
{
TraceDo( delete this );
} // if: reference count equal to zero
RETURN( cRef );
} //*** CClusCfgCapabilities::Release
//////////////////////////////////////////////////////////////////////////////
//++
//
// CClusCfgCapabilities:: [INKNOWN] QueryInterface
//
// Description:
// Query this object for the passed in interface.
//
// Arguments:
// IN REFIID riid,
// Id of interface requested.
//
// OUT void ** ppv
// 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.
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CClusCfgCapabilities::QueryInterface( REFIID riid, void ** ppv )
{
TraceQIFunc( riid, ppv );
HRESULT hr = E_NOINTERFACE;
if ( IsEqualIID( riid, IID_IUnknown ) )
{
*ppv = static_cast< IClusCfgCapabilities * >( this );
hr = S_OK;
} // if: IUnknown
else if ( IsEqualIID( riid, IID_IClusCfgInitialize ) )
{
*ppv = TraceInterface( __THISCLASS__, IClusCfgInitialize, this, 0 );
hr = S_OK;
} // else if:
else if ( IsEqualIID( riid, IID_IClusCfgCapabilities ) )
{
*ppv = TraceInterface( __THISCLASS__, IClusCfgCapabilities, this, 0 );
hr = S_OK;
} // else if:
if ( SUCCEEDED( hr ) )
{
((IUnknown *) *ppv)->AddRef( );
} // if: success
QIRETURN_IGNORESTDMARSHALLING( hr, riid );
} //*** CClusCfgCapabilities::QueryInterface
//*************************************************************************//
/////////////////////////////////////////////////////////////////////////////
// CClusCfgCapabilities -- IClusCfgInitialize interface.
/////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//++
//
// CClusCfgCapabilities::Initialize
//
// Description:
// Initialize this component.
//
// Arguments:
// IN IUknown * punkCallbackIn
//
// IN LCID lcidIn
//
// Return Value:
// S_OK
// Success
//
// E_POINTER
// The punkCallbackIn param is NULL.
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CClusCfgCapabilities::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 );
} //*** CClusCfgCapabilities::Initialize
//*************************************************************************//
/////////////////////////////////////////////////////////////////////////////
// CClusCfgCapabilities class -- IClusCfgCapabilities interfaces.
/////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//++
//
// CClusCfgCapabilities::CanNodeBeClustered
//
// Description:
// Can this node be added to a cluster?
//
// Arguments:
//
//
// Return Value:
// S_OK
// Node can be clustered.
//
// S_FALSE
// Node cannot be clustered.
//
// other HRESULTs
// The call failed.
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CClusCfgCapabilities::CanNodeBeClustered( void )
{
TraceFunc( "[IClusCfgServer]" );
HRESULT hr = S_OK;
//
// Since this only displays a warning there is no need to abort the whole
// process if this call fails.
//
THR( HrCheckForSFM() );
hr = STHR( HrIsOSVersionValid() );
HRETURN( hr );
} //*** CClusCfgCapabilities::CanNodeBeClustered
//*************************************************************************//
/////////////////////////////////////////////////////////////////////////////
// CClusCfgCapabilities class -- Private Methods.
/////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//++
//
// CClusCfgCapabilities::HrInit
//
// Description:
// Initialize this component.
//
// Arguments:
// None.
//
// Return Value:
// S_OK
// Success
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
HRESULT
CClusCfgCapabilities::HrInit( void )
{
TraceFunc( "" );
HRESULT hr = S_OK;
HRETURN( hr );
} //*** CClusCfgCapabilities::HrInit
//////////////////////////////////////////////////////////////////////////////
//++
//
// CClusCfgCapabilities::HrCheckForSFM
//
// Description:
// Checks for Services for Macintosh (SFM) and displays a warning
// in the UI if found.
//
// Arguments:
// None.
//
// Return Value:
// S_OK
// Success
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
HRESULT
CClusCfgCapabilities::HrCheckForSFM( void )
{
TraceFunc( "" );
HRESULT hr = S_OK;
BOOL fSFMInstalled = FALSE;
DWORD sc;
sc = TW32( ClRtlIsServicesForMacintoshInstalled( &fSFMInstalled ) );
if ( sc == ERROR_SUCCESS )
{
if ( fSFMInstalled )
{
LogMsg( L"[SRV] Services for Macintosh was found on this node." );
hr = S_FALSE;
STATUS_REPORT( TASKID_Major_Check_Node_Feasibility, TASKID_Minor_ServicesForMac_Installed, IDS_WARNING_SERVICES_FOR_MAC_INSTALLED, hr );
} // if:
} // if:
else
{
hr = HRESULT_FROM_WIN32( sc );
STATUS_REPORT( TASKID_Major_Check_Node_Feasibility, TASKID_Minor_ServicesForMac_Installed, IDS_ERROR_SERICES_FROM_MAC_FAILED, hr );
} // else:
hr = S_OK;
Cleanup:
HRETURN( hr );
} //*** CClusCfgCapabilities::HrCheckForSFM
//////////////////////////////////////////////////////////////////////////////
//++
//
// CClusCfgCapabilities::HrIsOSVersionValid
//
// Description:
// Can this node be added to a cluster?
//
// Arguments:
// None.
//
// Return Value:
// S_OK
// Node can be clustered.
//
// S_FALSE
// Node cannot be clustered.
//
// other HRESULTs
// The call failed.
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
HRESULT
CClusCfgCapabilities::HrIsOSVersionValid( void )
{
TraceFunc( "" );
HRESULT hr = S_OK;
HRESULT hrSSR;
BOOL fRet;
BSTR bstrMsg = NULL;
//
// Get the message to be displayed in the UI for status reports.
//
hr = THR( HrLoadStringIntoBSTR( g_hInstance, IDS_VALIDATING_NODE_OS_VERSION, &bstrMsg ) );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
//
// Send the initial status report to be displayed in the UI.
//
hrSSR = THR( HrSendStatusReport(
m_picccCallback
, TASKID_Major_Check_Node_Feasibility
, TASKID_Minor_Validating_Node_OS_Version
, 0
, 1
, 0
, S_OK
, bstrMsg
) );
if ( FAILED( hrSSR ) )
{
hr = hrSSR;
goto Cleanup;
} // if:
//
// Find out if the OS is valid for clustering.
//
fRet = ClRtlIsOSValid();
if ( ! fRet )
{
DWORD sc = TW32( GetLastError() );
hrSSR = HRESULT_FROM_WIN32( sc );
hr = S_FALSE;
} // if:
else
{
hrSSR = S_OK;
} // else:
//
// Send the final status report.
//
hrSSR = THR( HrSendStatusReport(
m_picccCallback
, TASKID_Major_Check_Node_Feasibility
, TASKID_Minor_Validating_Node_OS_Version
, 0
, 1
, 1
, hrSSR
, bstrMsg
) );
if ( FAILED( hrSSR ) )
{
hr = hrSSR;
goto Cleanup;
} // if:
Cleanup:
TraceSysFreeString( bstrMsg );
HRETURN( hr );
} //*** CClusCfgCapabilities::HrIsOSVersionValid