Leaked source code of windows server 2003
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//////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2000-2001 Microsoft Corporation
//
// Module Name:
// EnumManageableNetworks.cpp
//
// Description:
// CEnumManageableNetworks implementation.
//
// Maintained By:
// Galen Barbee (GalenB) 02-FEB-2000
//
//////////////////////////////////////////////////////////////////////////////
#include "Pch.h"
#include "ManagedNetwork.h"
#include "EnumManageableNetworks.h"
DEFINE_THISCLASS("CEnumManageableNetworks")
// ************************************************************************
//
// Constructor / Destructor
//
// ************************************************************************
//////////////////////////////////////////////////////////////////////////////
//
// HRESULT
// CEnumManageableNetworks::S_HrCreateInstance(
// IUnknown ** ppunkOut
// )
//
//////////////////////////////////////////////////////////////////////////////
HRESULT
CEnumManageableNetworks::S_HrCreateInstance(
IUnknown ** ppunkOut
)
{
TraceFunc( "" );
HRESULT hr = S_OK;
CEnumManageableNetworks * pemn = NULL;
Assert( ppunkOut != NULL );
if ( ppunkOut == NULL )
{
hr = THR( E_POINTER );
goto Cleanup;
}
pemn = new CEnumManageableNetworks;
if ( pemn == NULL )
{
hr = THR( E_OUTOFMEMORY );
goto Cleanup;
}
hr = THR( pemn->HrInit() );
if ( FAILED( hr ) )
{
goto Cleanup;
}
hr = THR( pemn->TypeSafeQI( IUnknown, ppunkOut ) );
if ( FAILED( hr ) )
{
goto Cleanup;
}
Cleanup:
if ( pemn != NULL )
{
pemn->Release();
}
HRETURN( hr );
} //*** CEnumManageableNetworks::S_HrCreateInstance
//////////////////////////////////////////////////////////////////////////////
//
// CEnumManageableNetworks::CEnumManageableNetworks
//
//////////////////////////////////////////////////////////////////////////////
CEnumManageableNetworks::CEnumManageableNetworks( void )
: m_cRef( 1 )
{
TraceFunc( "" );
InterlockedIncrement( &g_cObjects );
TraceFuncExit();
} //*** CEnumManageableNetworks::CEnumManageableNetworks
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CEnumManageableNetworks::HrInit
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CEnumManageableNetworks::HrInit( void )
{
TraceFunc( "" );
HRESULT hr = S_OK;
// IUnknown stuff
Assert( m_cRef == 1 );
// IEnumClusCfgNetworks
Assert( m_cAlloced == 0 );
Assert( m_cIter == 0 );
Assert( m_pList == NULL );
HRETURN( hr );
} //*** CEnumManageableNetworks::HrInit
//////////////////////////////////////////////////////////////////////////////
//
// CEnumManageableNetworks::~CEnumManageableNetworks
//
//////////////////////////////////////////////////////////////////////////////
CEnumManageableNetworks::~CEnumManageableNetworks( void )
{
TraceFunc( "" );
if ( m_pList != NULL )
{
while ( m_cAlloced != 0 )
{
m_cAlloced --;
AssertMsg( m_pList[ m_cAlloced ], "This shouldn't happen." );
if ( m_pList[ m_cAlloced ] != NULL )
{
(m_pList[ m_cAlloced ])->Release();
}
}
TraceFree( m_pList );
}
InterlockedDecrement( &g_cObjects );
TraceFuncExit();
} //*** CEnumManageableNetworks::~CEnumManageableNetworks
// ************************************************************************
//
// IUnknown
//
// ************************************************************************
//////////////////////////////////////////////////////////////////////////////
//++
//
// CEnumManageableNetworks::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
CEnumManageableNetworks::QueryInterface(
REFIID riidIn
, LPVOID * 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< IEnumClusCfgNetworks * >( this );
} // if: IUnknown
else if ( IsEqualIID( riidIn, IID_IEnumClusCfgNetworks ) )
{
*ppvOut = TraceInterface( __THISCLASS__, IEnumClusCfgNetworks, this, 0 );
} // else if: IEnumClusCfgNetworks
else if ( IsEqualIID( riidIn, IID_IExtendObjectManager ) )
{
*ppvOut = TraceInterface( __THISCLASS__, IExtendObjectManager, this, 0 );
} // else if: IExtendObjectManager
else
{
*ppvOut = NULL;
hr = E_NOINTERFACE;
} // else
//
// Add a reference to the interface if successful.
//
if ( SUCCEEDED( hr ) )
{
((IUnknown *) *ppvOut)->AddRef();
} // if: success
Cleanup:
QIRETURN_IGNORESTDMARSHALLING( hr, riidIn );
} //*** CEnumManageableNetworks::QueryInterface
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP_(ULONG)
// CEnumManageableNetworks::AddRef
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP_(ULONG)
CEnumManageableNetworks::AddRef( void )
{
TraceFunc( "[IUnknown]" );
InterlockedIncrement( &m_cRef );
CRETURN( m_cRef );
} //*** CEnumManageableNetworks::AddRef
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP_(ULONG)
// CEnumManageableNetworks::Release
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP_(ULONG)
CEnumManageableNetworks::Release( void )
{
TraceFunc( "[IUnknown]" );
LONG cRef;
cRef = InterlockedDecrement( &m_cRef );
if ( cRef == 0 )
{
TraceDo( delete this );
}
CRETURN( cRef );
} //*** CEnumManageableNetworks::Release
// ************************************************************************
//
// IExtendObjectManager
//
// ************************************************************************
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CEnumManageableNetworks::FindObject(
// OBJECTCOOKIE cookieIn
// , REFCLSID rclsidTypeIn
// , LPCWSTR pcszNameIn
// , LPUNKNOWN * punkOut
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CEnumManageableNetworks::FindObject(
OBJECTCOOKIE cookieIn
, REFCLSID rclsidTypeIn
, LPCWSTR pcszNameIn
, LPUNKNOWN * ppunkOut
)
{
TraceFunc( "[IExtendObjectManager]" );
OBJECTCOOKIE cookie;
OBJECTCOOKIE cookieParent;
IServiceProvider * psp;
HRESULT hr = S_FALSE;
IObjectManager * pom = NULL;
IStandardInfo * psi = NULL;
IEnumCookies * pec = NULL;
DWORD cookieCount = 0;
//
// Check arguments
//
if ( cookieIn == 0 )
{
hr = THR( E_INVALIDARG );
goto Cleanup;
}
if ( rclsidTypeIn != CLSID_NetworkType )
{
hr = THR( E_INVALIDARG );
goto Cleanup;
}
if ( ppunkOut == NULL )
{
hr = THR( E_POINTER );
goto Cleanup;
}
AssertMsg( pcszNameIn == NULL, "Enums shouldn't have names." );
//
// Grab the object manager.
//
hr = THR( CoCreateInstance( CLSID_ServiceManager,
NULL,
CLSCTX_INPROC_SERVER,
TypeSafeParams( IServiceProvider, &psp )
) );
if ( FAILED( hr ) )
{
goto Cleanup;
}
hr = THR( psp->TypeSafeQS( CLSID_ObjectManager,
IObjectManager,
&pom
) );
psp->Release(); // release promptly
if ( FAILED( hr ) )
{
goto Cleanup;
}
//
// 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