660 lines
15 KiB
C++
660 lines
15 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2000-2001 Microsoft Corporation
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//
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// Module Name:
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// EnumManageableResources.cpp
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//
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// Description:
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// CEnumManageableResources implementation.
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//
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// Maintained By:
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// Galen Barbee (GalenB) 02-FEB-2000
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//
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//////////////////////////////////////////////////////////////////////////////
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#include "pch.h"
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#include "ManagedDevice.h"
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#include "EnumManageableResources.h"
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DEFINE_THISCLASS("CEnumManageableResources")
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// ************************************************************************
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//
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// Constructor / Destructor
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//
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// ************************************************************************
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//////////////////////////////////////////////////////////////////////////////
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//
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// HRESULT
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// CEnumManageableResources::S_HrCreateInstance(
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// IUnknown ** ppunkOut
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// )
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//
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//////////////////////////////////////////////////////////////////////////////
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HRESULT
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CEnumManageableResources::S_HrCreateInstance(
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IUnknown ** ppunkOut
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)
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{
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TraceFunc( "" );
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Assert( ppunkOut != NULL );
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HRESULT hr;
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CEnumManageableResources * pemr = new CEnumManageableResources;
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if ( pemr != NULL )
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{
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hr = THR( pemr->Init( ) );
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if ( SUCCEEDED( hr ) )
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{
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hr = THR( pemr->TypeSafeQI( IUnknown, ppunkOut ) );
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}
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pemr->Release( );
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}
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else
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{
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hr = E_OUTOFMEMORY;
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}
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HRETURN( hr );
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} // S_HrCreateInstance( )
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//////////////////////////////////////////////////////////////////////////////
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//
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// CEnumManageableResources::CEnumManageableResources( void )
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//
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//////////////////////////////////////////////////////////////////////////////
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CEnumManageableResources::CEnumManageableResources( void )
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{
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TraceFunc( "" );
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InterlockedIncrement( &g_cObjects );
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TraceFuncExit();
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} // CEnumManageableResources( )
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP
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// CEnumManageableResources::Init( void )
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CEnumManageableResources::Init( void )
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{
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TraceFunc( "" );
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HRESULT hr = S_OK;
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// IUnknown stuff
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Assert( m_cRef == 0 );
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AddRef( ); // Add one count
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// IEnumClusCfgManagedResources
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Assert( m_cAlloced == 0 );
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Assert( m_cIter == 0 );
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Assert( m_pList == NULL );
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HRETURN( hr );
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} // Init( )
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//////////////////////////////////////////////////////////////////////////////
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//
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// CEnumManageableResources::~CEnumManageableResources( )
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//
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//////////////////////////////////////////////////////////////////////////////
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CEnumManageableResources::~CEnumManageableResources( )
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{
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TraceFunc( "" );
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if ( m_pList != NULL )
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{
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while ( m_cAlloced != 0 )
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{
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m_cAlloced --;
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AssertMsg( m_pList[ m_cAlloced ], "This shouldn't happen" );
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if ( m_pList[ m_cAlloced ] != NULL )
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{
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(m_pList[ m_cAlloced ])->Release( );
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}
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}
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TraceFree( m_pList );
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}
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InterlockedDecrement( &g_cObjects );
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TraceFuncExit();
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} // ~CEnumManageableResources( )
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// ************************************************************************
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//
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// IUnknown
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//
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// ************************************************************************
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP
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// CEnumManageableResources::QueryInterface(
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// REFIID riid,
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// LPVOID *ppv
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// )
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CEnumManageableResources::QueryInterface(
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REFIID riid,
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LPVOID *ppv
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)
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{
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TraceQIFunc( riid, ppv );
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HRESULT hr = E_NOINTERFACE;
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if ( IsEqualIID( riid, IID_IUnknown ) )
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{
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*ppv = static_cast< IEnumClusCfgManagedResources * >( this );
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hr = S_OK;
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} // if: IUnknown
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else if ( IsEqualIID( riid, IID_IEnumClusCfgManagedResources ) )
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{
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*ppv = TraceInterface( __THISCLASS__, IEnumClusCfgManagedResources, this, 0 );
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hr = S_OK;
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} // else if: IEnumClusCfgManagedResources
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else if ( IsEqualIID( riid, IID_IExtendObjectManager ) )
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{
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*ppv = TraceInterface( __THISCLASS__, IExtendObjectManager, this, 0 );
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hr = S_OK;
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} // else if: IExtendObjectManager
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if ( SUCCEEDED( hr ) )
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{
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((IUnknown*) *ppv)->AddRef( );
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} // if: success
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QIRETURN_IGNORESTDMARSHALLING( hr, riid );
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} // QueryInterface( )
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP_(ULONG)
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// CEnumManageableResources::AddRef( void )
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP_(ULONG)
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CEnumManageableResources::AddRef( void )
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{
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TraceFunc( "[IUnknown]" );
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InterlockedIncrement( &m_cRef );
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RETURN( m_cRef );
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} // AddRef( )
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP_(ULONG)
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// CEnumManageableResources::Release( void )
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP_(ULONG)
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CEnumManageableResources::Release( void )
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{
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TraceFunc( "[IUnknown]" );
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InterlockedDecrement( &m_cRef );
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if ( m_cRef )
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RETURN( m_cRef );
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TraceDo( delete this );
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RETURN(0);
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} // Release( )
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// ************************************************************************
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//
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// IExtendObjectManager
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//
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// ************************************************************************
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP
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// CEnumManageableResources::FindObject(
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// OBJECTCOOKIE cookieIn
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// , REFCLSID rclsidTypeIn
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// , LPCWSTR pcszNameIn
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// , LPUNKNOWN * punkOut
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// )
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CEnumManageableResources::FindObject(
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OBJECTCOOKIE cookieIn
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, REFCLSID rclsidTypeIn
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, LPCWSTR pcszNameIn
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, LPUNKNOWN * ppunkOut
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)
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{
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TraceFunc( "[IExtendObjectManager]" );
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OBJECTCOOKIE cookie;
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OBJECTCOOKIE cookieParent;
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IServiceProvider * psp;
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HRESULT hr = E_UNEXPECTED;
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IObjectManager * pom = NULL;
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IStandardInfo * psi = NULL;
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IEnumCookies * pec = NULL;
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DWORD objectCount = 0;
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//
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// Check arguments
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//
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if ( cookieIn == 0 )
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goto InvalidArg;
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if ( rclsidTypeIn != CLSID_ManagedResourceType )
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goto InvalidType;
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if ( ppunkOut == NULL )
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goto InvalidPointer;
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AssertMsg( pcszNameIn == NULL, "Enums shouldn't have names." );
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//
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// Grab the object manager.
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//
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hr = THR( CoCreateInstance( CLSID_ServiceManager,
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NULL,
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CLSCTX_INPROC_SERVER,
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TypeSafeParams( IServiceProvider, &psp )
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) );
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if ( FAILED( hr ) )
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goto Cleanup;
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hr = THR( psp->TypeSafeQS( CLSID_ObjectManager,
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IObjectManager,
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&pom
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) );
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psp->Release( ); // release promptly
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if ( FAILED( hr ) )
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goto Cleanup;
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//
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// Ask the Object Manager for information about our cookie so we can
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// get to the "parent" cookie.
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//
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hr = THR( pom->GetObject( DFGUID_StandardInfo,
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cookieIn,
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reinterpret_cast< IUnknown ** >( &psi )
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) );
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if ( FAILED( hr ) )
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goto Cleanup;
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hr = STHR( psi->GetParent( &cookieParent ) );
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if ( FAILED( hr ) )
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goto Cleanup;
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//
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// Now ask the Object Manager for a cookie enumerator.
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//
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hr = THR( pom->FindObject( CLSID_ManagedResourceType,
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cookieParent,
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NULL,
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DFGUID_EnumCookies,
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NULL,
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reinterpret_cast< IUnknown ** >( &pec )
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) );
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if ( FAILED( hr ) )
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goto Cleanup;
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pec = TraceInterface( L"CEnumClusCfgManagedResources!IEnumCookies", IEnumCookies, pec, 1 );
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hr = pec->Count( &objectCount );
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if ( FAILED( hr ) )
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goto Cleanup;
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m_cAlloced = objectCount;
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if ( m_cAlloced == 0 )
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goto ErrorNotFound;
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//
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// Allocate a buffer to store the punks.
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//
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m_pList = (IClusCfgManagedResourceInfo **) TraceAlloc( HEAP_ZERO_MEMORY, m_cAlloced * sizeof(IClusCfgManagedResourceInfo *) );
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if ( m_pList == NULL )
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goto OutOfMemory;
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//
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// Reset the enumerator.
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//
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hr = THR( pec->Reset( ) );
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if ( FAILED( hr ) )
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goto Cleanup;
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//
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// Now loop thru to collect the interfaces.
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//
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m_cIter = 0;
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while ( hr == S_OK && m_cIter < m_cAlloced )
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{
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hr = STHR( pec->Next( 1, &cookie, NULL ) );
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if ( FAILED( hr ) )
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goto Cleanup;
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if ( hr == S_FALSE )
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break; // exit condition
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hr = THR( pom->GetObject( DFGUID_ManagedResource,
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cookie,
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reinterpret_cast< IUnknown ** >( &m_pList[ m_cIter ] )
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) );
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if ( FAILED( hr ) )
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goto Cleanup;
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m_cIter++;
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} // while: S_OK
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//
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// Reset the iter.
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//
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m_cIter = 0;
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//
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// Grab the interface.
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//
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hr = THR( QueryInterface( DFGUID_EnumManageableResources,
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reinterpret_cast< void ** >( ppunkOut )
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) );
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if ( FAILED( hr ) )
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goto Cleanup;
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Cleanup:
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if ( pom != NULL )
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{
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pom->Release( );
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}
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if ( psi != NULL )
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{
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psi->Release( );
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}
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if ( pec != NULL )
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{
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pec->Release( );
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}
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HRETURN( hr );
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InvalidArg:
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hr = THR( E_INVALIDARG );
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goto Cleanup;
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InvalidPointer:
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hr = THR( E_POINTER );
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goto Cleanup;
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InvalidType:
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//
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// TODO: gpease 07-APR-2000
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// Come up with a better error code.
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//
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hr = THR( E_FAIL );
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goto Cleanup;
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ErrorNotFound:
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// The error text is better than the coding value.
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hr = THR( HRESULT_FROM_WIN32( ERROR_NOT_FOUND ) );
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goto Cleanup;
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OutOfMemory:
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hr = E_OUTOFMEMORY;
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goto Cleanup;
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} // FindObject( )
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//****************************************************************************
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//
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// IEnumClusCfgManagedResources
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//
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//****************************************************************************
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP
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// CEnumManageableResources::Next(
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// ULONG celt,
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// IClusCfgNetworkInfo ** rgOut,
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// ULONG * pceltFetchedOut
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// )
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CEnumManageableResources::Next(
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ULONG celt,
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IClusCfgManagedResourceInfo * rgOut[],
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ULONG * pceltFetchedOut
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)
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{
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TraceFunc( "[IEnumClusCfgManagedResources]" );
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ULONG celtFetched;
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HRESULT hr = E_UNEXPECTED;
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//
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// Check parameters
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//
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if ( rgOut == NULL || celt == 0 )
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goto InvalidPointer;
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//
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// Zero the return count.
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//
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if ( pceltFetchedOut != NULL )
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{
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*pceltFetchedOut = 0;
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}
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//
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// Clear the buffer
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//
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ZeroMemory( rgOut, celt * sizeof(rgOut[0]) );
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//
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// Loop thru copying the interfaces.
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//
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for( celtFetched = 0
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; celtFetched + m_cIter < m_cAlloced && celtFetched < celt
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; celtFetched ++
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)
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{
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hr = THR( m_pList[ m_cIter + celtFetched ]->TypeSafeQI( IClusCfgManagedResourceInfo, &rgOut[ celtFetched ] ) );
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if ( FAILED( hr ) )
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goto CleanupList;
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rgOut[ celtFetched ] = TraceInterface( L"CEnumManageableResources!IClusCfgManagedResourceInfo", IClusCfgManagedResourceInfo, rgOut[ celtFetched ], 1 );
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} // for: celtFetched
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if ( pceltFetchedOut != NULL )
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{
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*pceltFetchedOut = celtFetched;
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}
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m_cIter += celtFetched;
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if ( celtFetched != celt )
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{
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hr = S_FALSE;
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}
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else
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{
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hr = S_OK;
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}
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Cleanup:
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HRETURN( hr );
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CleanupList:
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for ( ; celtFetched != 0 ; )
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{
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celtFetched --;
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rgOut[ celtFetched ]->Release( );
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rgOut[ celtFetched ] = NULL;
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}
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goto Cleanup;
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InvalidPointer:
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hr = THR( E_POINTER );
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goto Cleanup;
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} // Next( )
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP
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// CEnumManageableResources::Skip(
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// ULONG celt
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// )
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CEnumManageableResources::Skip(
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ULONG celt
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)
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{
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TraceFunc( "[IEnumClusCfgManagedResources]" );
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HRESULT hr = S_OK;
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m_cIter += celt;
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if ( m_cIter > m_cAlloced )
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{
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m_cIter = m_cAlloced;
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hr = S_FALSE;
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}
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HRETURN( hr );
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} // Skip( )
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP
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// CEnumManageableResources::Reset( void )
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CEnumManageableResources::Reset( void )
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{
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TraceFunc( "[IEnumClusCfgManagedResources]" );
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HRESULT hr = S_OK;
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m_cIter = 0;
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HRETURN( hr );
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} // Reset( )
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP
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// CEnumManageableResources::Clone(
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// IEnumClusCfgManagedResources ** ppenumOut
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// )
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CEnumManageableResources::Clone(
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IEnumClusCfgManagedResources ** ppenumOut
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)
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{
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TraceFunc( "[IEnumClusCfgManagedResources]" );
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//
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// KB: not going to implement this method.
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//
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HRESULT hr = THR( E_NOTIMPL );
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HRETURN( hr );
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} // Clone( )
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP
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// CEnumManageableResources::Count(
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// DWORD * pnCountOut
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// )
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//
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//////////////////////////////////////////////////////////////////////////////
|
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STDMETHODIMP
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CEnumManageableResources::Count(
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DWORD * pnCountOut
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)
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{
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TraceFunc( "[IEnumClusCfgManagedResources]" );
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HRESULT hr = S_OK;
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|
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if ( pnCountOut == NULL )
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{
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hr = THR( E_POINTER );
|
|
goto Cleanup;
|
|
}
|
|
|
|
*pnCountOut = m_cAlloced;
|
|
|
|
Cleanup:
|
|
HRETURN( hr );
|
|
}// Count( )
|
|
|
|
|
|
|
|
|