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736 lines
16 KiB
736 lines
16 KiB
//////////////////////////////////////////////////////////////////////////////
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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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// EnumManageableNetworks.cpp
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//
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// Description:
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// CEnumManageableNetworks 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 "ManagedNetwork.h"
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#include "EnumManageableNetworks.h"
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DEFINE_THISCLASS("CEnumManageableNetworks")
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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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// CEnumManageableNetworks::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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CEnumManageableNetworks::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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HRESULT hr = S_OK;
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CEnumManageableNetworks * pemn = NULL;
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Assert( ppunkOut != NULL );
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if ( ppunkOut == NULL )
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{
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hr = THR( E_POINTER );
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goto Cleanup;
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}
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pemn = new CEnumManageableNetworks;
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if ( pemn == NULL )
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{
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hr = THR( E_OUTOFMEMORY );
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goto Cleanup;
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}
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hr = THR( pemn->HrInit() );
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if ( FAILED( hr ) )
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{
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goto Cleanup;
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}
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hr = THR( pemn->TypeSafeQI( IUnknown, ppunkOut ) );
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if ( FAILED( hr ) )
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{
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goto Cleanup;
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}
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Cleanup:
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if ( pemn != NULL )
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{
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pemn->Release();
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}
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HRETURN( hr );
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} //*** CEnumManageableNetworks::S_HrCreateInstance
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//////////////////////////////////////////////////////////////////////////////
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//
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// CEnumManageableNetworks::CEnumManageableNetworks
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//
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//////////////////////////////////////////////////////////////////////////////
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CEnumManageableNetworks::CEnumManageableNetworks( void )
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: m_cRef( 1 )
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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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} //*** CEnumManageableNetworks::CEnumManageableNetworks
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP
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// CEnumManageableNetworks::HrInit
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CEnumManageableNetworks::HrInit( 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 == 1 );
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// IEnumClusCfgNetworks
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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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} //*** CEnumManageableNetworks::HrInit
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//////////////////////////////////////////////////////////////////////////////
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//
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// CEnumManageableNetworks::~CEnumManageableNetworks
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//
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//////////////////////////////////////////////////////////////////////////////
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CEnumManageableNetworks::~CEnumManageableNetworks( void )
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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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} //*** CEnumManageableNetworks::~CEnumManageableNetworks
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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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//
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// CEnumManageableNetworks::QueryInterface
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//
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// Description:
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// Query this object for the passed in interface.
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//
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// Arguments:
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// riidIn
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// Id of interface requested.
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//
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// ppvOut
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// Pointer to the requested interface.
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//
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// Return Value:
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// S_OK
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// If the interface is available on this object.
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//
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// E_NOINTERFACE
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// If the interface is not available.
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//
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// E_POINTER
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// ppvOut was NULL.
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//
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// Remarks:
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// None.
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//
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//--
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CEnumManageableNetworks::QueryInterface(
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REFIID riidIn
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, LPVOID * ppvOut
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)
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{
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TraceQIFunc( riidIn, ppvOut );
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HRESULT hr = S_OK;
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//
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// Validate arguments.
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//
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Assert( ppvOut != NULL );
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if ( ppvOut == NULL )
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{
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hr = THR( E_POINTER );
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goto Cleanup;
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}
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//
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// Handle known interfaces.
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//
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if ( IsEqualIID( riidIn, IID_IUnknown ) )
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{
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*ppvOut = static_cast< IEnumClusCfgNetworks * >( this );
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} // if: IUnknown
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else if ( IsEqualIID( riidIn, IID_IEnumClusCfgNetworks ) )
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{
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*ppvOut = TraceInterface( __THISCLASS__, IEnumClusCfgNetworks, this, 0 );
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} // else if: IEnumClusCfgNetworks
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else if ( IsEqualIID( riidIn, IID_IExtendObjectManager ) )
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{
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*ppvOut = TraceInterface( __THISCLASS__, IExtendObjectManager, this, 0 );
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} // else if: IExtendObjectManager
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else
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{
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*ppvOut = NULL;
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hr = E_NOINTERFACE;
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} // else
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//
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// Add a reference to the interface if successful.
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//
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if ( SUCCEEDED( hr ) )
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{
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((IUnknown *) *ppvOut)->AddRef();
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} // if: success
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Cleanup:
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QIRETURN_IGNORESTDMARSHALLING( hr, riidIn );
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} //*** CEnumManageableNetworks::QueryInterface
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP_(ULONG)
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// CEnumManageableNetworks::AddRef
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP_(ULONG)
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CEnumManageableNetworks::AddRef( void )
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{
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TraceFunc( "[IUnknown]" );
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InterlockedIncrement( &m_cRef );
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CRETURN( m_cRef );
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} //*** CEnumManageableNetworks::AddRef
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP_(ULONG)
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// CEnumManageableNetworks::Release
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP_(ULONG)
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CEnumManageableNetworks::Release( void )
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{
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TraceFunc( "[IUnknown]" );
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LONG cRef;
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cRef = InterlockedDecrement( &m_cRef );
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if ( cRef == 0 )
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{
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TraceDo( delete this );
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}
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CRETURN( cRef );
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} //*** CEnumManageableNetworks::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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// CEnumManageableNetworks::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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CEnumManageableNetworks::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 = S_FALSE;
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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 cookieCount = 0;
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|
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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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{
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hr = THR( E_INVALIDARG );
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goto Cleanup;
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}
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if ( rclsidTypeIn != CLSID_NetworkType )
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{
|
|
hr = THR( E_INVALIDARG );
|
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goto Cleanup;
|
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}
|
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|
if ( ppunkOut == NULL )
|
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{
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hr = THR( E_POINTER );
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goto Cleanup;
|
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}
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|
AssertMsg( pcszNameIn == NULL, "Enums shouldn't have names." );
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|
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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,
|
|
NULL,
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|
CLSCTX_INPROC_SERVER,
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TypeSafeParams( IServiceProvider, &psp )
|
|
) );
|
|
if ( FAILED( hr ) )
|
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{
|
|
goto Cleanup;
|
|
}
|
|
|
|
hr = THR( psp->TypeSafeQS( CLSID_ObjectManager,
|
|
IObjectManager,
|
|
&pom
|
|
) );
|
|
psp->Release(); // release promptly
|
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if ( FAILED( hr ) )
|
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{
|
|
goto Cleanup;
|
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}
|
|
|
|
//
|
|
// Ask the Object Manager for information about our cookie so we can
|
|
// get to the "parent" cookie.
|
|
//
|
|
|
|
hr = THR( pom->GetObject( DFGUID_StandardInfo,
|
|
cookieIn,
|
|
reinterpret_cast< IUnknown ** >( &psi )
|
|
) );
|
|
if ( FAILED( hr ) )
|
|
{
|
|
goto Cleanup;
|
|
}
|
|
|
|
hr = STHR( psi->GetParent( &cookieParent ) );
|
|
if ( FAILED( hr ) )
|
|
{
|
|
goto Cleanup;
|
|
}
|
|
|
|
//
|
|
// Now ask the Object Manager for a cookie enumerator.
|
|
//
|
|
|
|
hr = THR( pom->FindObject( CLSID_NetworkType,
|
|
cookieParent,
|
|
NULL,
|
|
DFGUID_EnumCookies,
|
|
NULL,
|
|
reinterpret_cast< IUnknown ** >( &pec )
|
|
) );
|
|
if ( FAILED( hr ) )
|
|
{
|
|
goto Cleanup;
|
|
}
|
|
|
|
pec = TraceInterface( L"CEnumManageableNetworks!IEnumCookies", IEnumCookies, pec, 1 );
|
|
|
|
//
|
|
// Ask the enumerator how many cookies it has.
|
|
//
|
|
|
|
hr = THR( pec->Count( &cookieCount ) );
|
|
|
|
if ( FAILED( hr ) )
|
|
{
|
|
goto Cleanup;
|
|
}
|
|
|
|
m_cAlloced = cookieCount;
|
|
|
|
if ( m_cAlloced == 0 )
|
|
{
|
|
// The error text is better than the coding value.
|
|
hr = HRESULT_FROM_WIN32( TW32( ERROR_NOT_FOUND ) );
|
|
goto Cleanup;
|
|
}
|
|
|
|
//
|
|
// Allocate a buffer to store the punks.
|
|
//
|
|
|
|
m_pList = (IClusCfgNetworkInfo **) TraceAlloc( HEAP_ZERO_MEMORY, m_cAlloced * sizeof(IClusCfgNetworkInfo *) );
|
|
if ( m_pList == NULL )
|
|
{
|
|
hr = THR( E_OUTOFMEMORY );
|
|
goto Cleanup;
|
|
}
|
|
|
|
//
|
|
// Reset the enumerator.
|
|
//
|
|
|
|
hr = THR( pec->Reset() );
|
|
if ( FAILED( hr ) )
|
|
{
|
|
goto Cleanup;
|
|
}
|
|
|
|
//
|
|
// Now loop thru to collect the interfaces.
|
|
//
|
|
|
|
m_cIter = 0;
|
|
while ( hr == S_OK && m_cIter < m_cAlloced )
|
|
{
|
|
hr = STHR( pec->Next( 1, &cookie, NULL ) );
|
|
if ( FAILED( hr ) )
|
|
{
|
|
goto Cleanup;
|
|
}
|
|
|
|
if ( hr == S_FALSE )
|
|
{
|
|
break; // exit condition
|
|
}
|
|
|
|
hr = THR( pom->GetObject( DFGUID_NetworkResource,
|
|
cookie,
|
|
reinterpret_cast< IUnknown ** >( &m_pList[ m_cIter ] )
|
|
) );
|
|
if ( FAILED( hr ) )
|
|
{
|
|
goto Cleanup;
|
|
}
|
|
|
|
m_cIter++;
|
|
|
|
} // while: S_OK
|
|
|
|
//
|
|
// Reset the iter.
|
|
//
|
|
|
|
m_cIter = 0;
|
|
|
|
//
|
|
// Grab the interface.
|
|
//
|
|
|
|
hr = THR( QueryInterface( DFGUID_EnumManageableNetworks,
|
|
reinterpret_cast< void ** >( ppunkOut )
|
|
) );
|
|
if ( FAILED( hr ) )
|
|
{
|
|
goto Cleanup;
|
|
}
|
|
|
|
Cleanup:
|
|
if ( pom != NULL )
|
|
{
|
|
pom->Release();
|
|
}
|
|
if ( psi != NULL )
|
|
{
|
|
psi->Release();
|
|
}
|
|
if ( pec != NULL )
|
|
{
|
|
pec->Release();
|
|
}
|
|
|
|
HRETURN( hr );
|
|
|
|
} //*** CEnumManageableNetworks::FindObject
|
|
|
|
|
|
//****************************************************************************
|
|
//
|
|
// IEnumClusCfgNetworks
|
|
//
|
|
//****************************************************************************
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// STDMETHODIMP
|
|
// CEnumManageableNetworks::Next(
|
|
// ULONG celt,
|
|
// IClusCfgNetworkInfo ** rgOut,
|
|
// ULONG * pceltFetchedOut
|
|
// )
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
STDMETHODIMP
|
|
CEnumManageableNetworks::Next(
|
|
ULONG celt,
|
|
IClusCfgNetworkInfo * rgOut[],
|
|
ULONG * pceltFetchedOut
|
|
)
|
|
{
|
|
TraceFunc( "[IEnumClusCfgNetworks]" );
|
|
|
|
ULONG celtFetched;
|
|
|
|
HRESULT hr = S_FALSE;
|
|
|
|
//
|
|
// Check parameters
|
|
//
|
|
|
|
if ( rgOut == NULL || celt == 0 )
|
|
{
|
|
hr = THR( E_POINTER );
|
|
goto Cleanup;
|
|
}
|
|
|
|
//
|
|
// Zero the return count.
|
|
//
|
|
|
|
if ( pceltFetchedOut != NULL )
|
|
{
|
|
*pceltFetchedOut = 0;
|
|
}
|
|
|
|
//
|
|
// Clear the buffer
|
|
//
|
|
|
|
ZeroMemory( rgOut, celt * sizeof(rgOut[0]) );
|
|
|
|
//
|
|
// Loop thru copying the interfaces.
|
|
//
|
|
|
|
for( celtFetched = 0
|
|
; celtFetched + m_cIter < m_cAlloced && celtFetched < celt
|
|
; celtFetched ++
|
|
)
|
|
{
|
|
hr = THR( m_pList[ m_cIter + celtFetched ]->TypeSafeQI( IClusCfgNetworkInfo, &rgOut[ celtFetched ] ) );
|
|
if ( FAILED( hr ) )
|
|
{
|
|
goto CleanupList;
|
|
}
|
|
|
|
rgOut[ celtFetched ] = TraceInterface( L"CEnumManageableNetworks!IClusCfgNetworkInfo", IClusCfgNetworkInfo, rgOut[ celtFetched ], 1 );
|
|
|
|
} // for: celtFetched
|
|
|
|
if ( pceltFetchedOut != NULL )
|
|
{
|
|
*pceltFetchedOut = celtFetched;
|
|
}
|
|
|
|
m_cIter += celtFetched;
|
|
|
|
if ( celtFetched != celt )
|
|
{
|
|
hr = S_FALSE;
|
|
}
|
|
else
|
|
{
|
|
hr = S_OK;
|
|
}
|
|
|
|
Cleanup:
|
|
HRETURN( hr );
|
|
|
|
CleanupList:
|
|
for ( ; celtFetched != 0 ; )
|
|
{
|
|
celtFetched --;
|
|
rgOut[ celtFetched ]->Release();
|
|
rgOut[ celtFetched ] = NULL;
|
|
}
|
|
goto Cleanup;
|
|
|
|
} //*** CEnumManageableNetworks::Next
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// STDMETHODIMP
|
|
// CEnumManageableNetworks::Skip(
|
|
// ULONG celt
|
|
// )
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
STDMETHODIMP
|
|
CEnumManageableNetworks::Skip(
|
|
ULONG celt
|
|
)
|
|
{
|
|
TraceFunc( "[IEnumClusCfgNetworks]" );
|
|
|
|
HRESULT hr = S_OK;
|
|
|
|
m_cIter += celt;
|
|
|
|
if ( m_cIter > m_cAlloced )
|
|
{
|
|
m_cIter = m_cAlloced;
|
|
hr = S_FALSE;
|
|
}
|
|
|
|
HRETURN( hr );
|
|
|
|
} //*** CEnumManageableNetworks::Skip
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// STDMETHODIMP
|
|
// CEnumManageableNetworks::Reset( void )
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
STDMETHODIMP
|
|
CEnumManageableNetworks::Reset( void )
|
|
{
|
|
TraceFunc( "[IEnumClusCfgNetworks]" );
|
|
|
|
HRESULT hr = S_OK;
|
|
|
|
m_cIter = 0;
|
|
|
|
HRETURN( hr );
|
|
|
|
} //*** CEnumManageableNetworks::Reset
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// STDMETHODIMP
|
|
// CEnumManageableNetworks::Clone(
|
|
// IEnumClusCfgNetworks ** ppenumOut
|
|
// )
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
STDMETHODIMP
|
|
CEnumManageableNetworks::Clone(
|
|
IEnumClusCfgNetworks ** ppenumOut
|
|
)
|
|
{
|
|
TraceFunc( "[IEnumClusCfgNetworks]" );
|
|
|
|
//
|
|
// KB: not going to implement this method.
|
|
//
|
|
HRESULT hr = THR( E_NOTIMPL );
|
|
|
|
HRETURN( hr );
|
|
|
|
} //*** CEnumManageableNetworks::Clone
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// STDMETHODIMP
|
|
// CEnumManageableNetworks::Count(
|
|
// DWORD * pnCountOut
|
|
// )
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
STDMETHODIMP
|
|
CEnumManageableNetworks::Count(
|
|
DWORD * pnCountOut
|
|
)
|
|
{
|
|
TraceFunc( "[IEnumClusCfgManagedResources]" );
|
|
|
|
HRESULT hr = S_OK;
|
|
|
|
if ( pnCountOut == NULL )
|
|
{
|
|
hr = THR( E_POINTER );
|
|
goto Cleanup;
|
|
}
|
|
|
|
*pnCountOut = m_cAlloced;
|
|
|
|
Cleanup:
|
|
HRETURN( hr );
|
|
|
|
} //*** CEnumManageableNetworks::Count
|