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875 lines
19 KiB
875 lines
19 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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// CEnumCfgNetworks.cpp
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//
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// Description:
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// CEnumCfgNetworks implementation.
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//
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// Maintained By:
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// Galen Barbee (GalenB) 02-AUG-2000
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//
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//////////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////////
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// Include Files
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//////////////////////////////////////////////////////////////////////////////
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#include "Pch.h"
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#include "CProxyCfgNetworkInfo.h"
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#include "CEnumCfgNetworks.h"
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//////////////////////////////////////////////////////////////////////////////
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// Constant Definitions
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//////////////////////////////////////////////////////////////////////////////
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DEFINE_THISCLASS("CEnumCfgNetworks")
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CEnumCfgNetworks::S_HrCreateInstance
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//
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// Description:
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// Create a CClusCfgClusterInfo instance.
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//
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// Arguments:
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// None.
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//
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// Return Values:
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// S_OK
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// Success.
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//
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// E_POINTER
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// A passed in argument is NULL.
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//
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// E_OUTOFMEMORY
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// Out of memory.
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//
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// Other HRESULT error.
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//
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//--
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//////////////////////////////////////////////////////////////////////////////
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HRESULT
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CEnumCfgNetworks::S_HrCreateInstance(
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IUnknown ** ppunkOut,
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IUnknown * punkOuterIn,
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HCLUSTER * phClusterIn,
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CLSID * pclsidMajorIn
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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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CEnumCfgNetworks * pcecn = 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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} // if
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pcecn = new CEnumCfgNetworks;
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if ( pcecn == NULL )
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{
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hr = THR( E_OUTOFMEMORY );
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goto Cleanup;
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} // if:
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hr = THR( pcecn->HrInit( punkOuterIn, phClusterIn, pclsidMajorIn ) );
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if ( FAILED( hr ) )
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{
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goto Cleanup;
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} // if:
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hr = THR( pcecn->TypeSafeQI( IUnknown, ppunkOut ) );
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Cleanup:
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if ( pcecn != NULL )
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{
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pcecn->Release();
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} // if:
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HRETURN( hr );
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} //*** CEnumCfgNetworks::S_HrCreateInstance
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CEnumCfgNetworks::CEnumCfgNetworks
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//
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// Description:
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// Constructor of the CEnumCfgNetworks class. This initializes
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// the m_cRef variable to 1 instead of 0 to account of possible
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// QueryInterface failure in DllGetClassObject.
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//
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// Arguments:
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// None.
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//
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// Return Value:
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// None.
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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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CEnumCfgNetworks::CEnumCfgNetworks( 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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Assert( m_cRef == 1 );
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Assert( m_pcccb == NULL );
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Assert( m_phCluster == NULL );
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Assert( m_pclsidMajor == NULL );
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Assert( m_dwIndex == 0 );
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Assert( m_hClusEnum == NULL );
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TraceFuncExit();
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} //*** CEnumCfgNetworks::CEnumCfgNetworks
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CEnumCfgNetworks::~CEnumCfgNetworks
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//
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// Description:
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// Desstructor of the CEnumCfgNetworks class.
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//
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// Arguments:
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// None.
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//
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// Return Value:
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// None.
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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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CEnumCfgNetworks::~CEnumCfgNetworks( void )
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{
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TraceFunc( "" );
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// m_cRef - noop
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if ( m_pcccb )
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{
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m_pcccb->Release();
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} //if:
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// m_phCluster - DO NOT CLOSE!
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// m_pclsidMajor - noop
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// m_dwIndex - noop
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if ( m_hClusEnum != NULL )
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ClusterCloseEnum( m_hClusEnum );
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InterlockedDecrement( &g_cObjects );
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TraceFuncExit();
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} //*** CEnumCfgNetworks::~CEnumCfgNetworks
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CEnumCfgNetworks::HrInit
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//
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// Description:
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// Initialize this component.
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//
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// Arguments:
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//
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// Return Value:
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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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HRESULT
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CEnumCfgNetworks::HrInit(
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IUnknown * punkOuterIn,
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HCLUSTER * phClusterIn,
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CLSID * pclsidMajorIn
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)
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{
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TraceFunc( "" );
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HRESULT hr;
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// IUnknown
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Assert( m_cRef == 1 );
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if ( punkOuterIn != NULL )
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{
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m_punkOuter = punkOuterIn;
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m_punkOuter->AddRef();
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}
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if ( phClusterIn == NULL )
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goto InvalidArg;
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m_phCluster = phClusterIn;
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if ( pclsidMajorIn != NULL )
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{
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m_pclsidMajor = pclsidMajorIn;
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}
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else
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{
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m_pclsidMajor = (CLSID *) &TASKID_Major_Client_And_Server_Log;
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}
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if ( punkOuterIn != NULL )
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{
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hr = THR( punkOuterIn->TypeSafeQI( IClusCfgCallback, &m_pcccb ) );
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if ( FAILED( hr ) )
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goto Cleanup;
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}
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//
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// Open the enumer.
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//
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m_hClusEnum = ClusterOpenEnum( *m_phCluster, CLUSTER_ENUM_NETWORK );
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if ( m_hClusEnum == NULL )
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{
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hr = HRESULT_FROM_WIN32( TW32( GetLastError() ) );
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SSR_W2KPROXY_STATUS( TASKID_Major_Client_And_Server_Log, TASKID_Minor_HrInit_ClusterOpenEnum_Failed, hr );
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goto Cleanup;
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}
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hr = S_OK;
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Cleanup:
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HRETURN( hr );
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InvalidArg:
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hr = THR( E_INVALIDARG );
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SSR_W2KPROXY_STATUS( TASKID_Major_Client_And_Server_Log, TASKID_Minor_HrInit_InvalidArg, hr );
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goto Cleanup;
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} //*** CEnumCfgNetworks::HrInit
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//*************************************************************************//
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/////////////////////////////////////////////////////////////////////////////
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// CEnumCfgNetworks -- IUknkown interface.
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/////////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CEnumCfgNetworks::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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CEnumCfgNetworks::QueryInterface(
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REFIID riidIn
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, void ** 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
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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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} //*** CEnumCfgNetworks::QueryInterface
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CEnumCfgNetworks::AddRef
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//
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// Description:
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// Increment the reference count of this object by one.
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//
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// Arguments:
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// None.
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//
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// Return Value:
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// The new reference count.
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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_( ULONG )
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CEnumCfgNetworks::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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} //*** CEnumCfgNetworks::AddRef
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CEnumCfgNetworks::Release
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//
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// Description:
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// Decrement the reference count of this object by one.
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//
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// Arguments:
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// None.
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//
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// Return Value:
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// The new reference count.
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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_( ULONG )
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CEnumCfgNetworks::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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} //*** CEnumCfgNetworks::Release
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//*************************************************************************//
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/////////////////////////////////////////////////////////////////////////////
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// CEnumCfgNetworks -- IEnumClusCfgNetworks interface
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/////////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CEnumCfgNetworks::Next
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//
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// Description:
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//
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// Arguments:
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//
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// Return Value:
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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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CEnumCfgNetworks::Next(
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ULONG cNumberRequestedIn,
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IClusCfgNetworkInfo ** rgpNetworkInfoOut,
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ULONG * pcNumberFetchedOut
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)
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{
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TraceFunc( "[IEnumClusCfgNetworks]" );
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HRESULT hr;
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ULONG cFetched = 0;
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if ( rgpNetworkInfoOut == NULL )
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goto InvalidPointer;
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for ( ; cFetched < cNumberRequestedIn; m_dwIndex ++ )
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{
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hr = STHR( HrGetItem( m_dwIndex, &(rgpNetworkInfoOut[ cFetched ]) ) );
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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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continue; // not a network
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if ( hr == MAKE_HRESULT( 0, FACILITY_WIN32, ERROR_NO_MORE_ITEMS ) )
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break; // no more items
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cFetched ++;
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} // for:
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if ( cFetched < cNumberRequestedIn )
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{
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hr = S_FALSE;
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} // if:
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else
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{
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hr = S_OK;
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} // else:
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Cleanup:
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if ( FAILED( hr ) )
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{
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ULONG idx;
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for ( idx = 0; idx < cFetched; idx++ )
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{
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(rgpNetworkInfoOut[ idx ])->Release();
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} // for:
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cFetched = 0;
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} // if:
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if ( pcNumberFetchedOut != NULL )
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{
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*pcNumberFetchedOut = cFetched;
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} // if:
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HRETURN( hr );
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InvalidPointer:
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hr = THR( E_POINTER );
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SSR_W2KPROXY_STATUS( TASKID_Major_Client_And_Server_Log, TASKID_Minor_Next_InvalidPointer, hr );
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goto Cleanup;
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} //*** CEnumCfgNetworks::Next
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CEnumCfgNetworks::Reset
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//
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// Description:
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//
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// Arguments:
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//
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// Return Value:
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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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CEnumCfgNetworks::Reset( void )
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{
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TraceFunc( "[IEnumClusCfgNetworks]" );
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m_dwIndex = 0;
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HRETURN( S_OK );
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} //*** CEnumCfgNetworks::Reset
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CEnumCfgNetworks::Skip
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//
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// Description:
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//
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// Arguments:
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//
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// Return Value:
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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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CEnumCfgNetworks::Skip( ULONG cNumberToSkipIn )
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{
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TraceFunc( "[IEnumClusCfgNetworks]" );
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HRESULT hr;
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DWORD idx;
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IClusCfgNetworkInfo * piccni = NULL;
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for ( idx = 0; idx < cNumberToSkipIn; m_dwIndex ++ )
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{
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hr = STHR( HrGetItem( m_dwIndex, &piccni ) );
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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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continue; // not a network
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if ( hr == MAKE_HRESULT( 0, FACILITY_WIN32, ERROR_NO_MORE_ITEMS ) )
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break; // no more items
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piccni->Release();
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piccni = NULL;
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idx ++;
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} // for:
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if ( idx < cNumberToSkipIn )
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{
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hr = S_FALSE;
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} // if:
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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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Assert( piccni == NULL );
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HRETURN( hr );
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} //*** CEnumCfgNetworks::Skip
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CEnumCfgNetworks::Clone
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//
|
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// Description:
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//
|
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// Arguments:
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//
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// Return Value:
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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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CEnumCfgNetworks::Clone( IEnumClusCfgNetworks ** ppNetworkInfoOut )
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{
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TraceFunc( "[IEnumClusCfgNetworks]" );
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HRESULT hr = THR( E_NOTIMPL );
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HRETURN( hr );
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} //*** CEnumCfgNetworks::Clone
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|
|
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//////////////////////////////////////////////////////////////////////////////
|
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//++
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//
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// CEnumCfgNetworks::Count
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//
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// Description:
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//
|
|
// Arguments:
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//
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// Return Value:
|
|
//
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|
// Remarks:
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// None.
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//
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//--
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
STDMETHODIMP
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|
CEnumCfgNetworks::Count( DWORD * pnCountOut )
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|
{
|
|
TraceFunc( "[IEnumClusCfgNetworks]" );
|
|
|
|
Assert( m_hClusEnum != NULL );
|
|
|
|
HRESULT hr = S_OK;
|
|
|
|
if ( pnCountOut == NULL )
|
|
{
|
|
hr = THR( E_POINTER );
|
|
goto Cleanup;
|
|
}
|
|
|
|
*pnCountOut = ClusterGetEnumCount(m_hClusEnum);
|
|
|
|
Cleanup:
|
|
|
|
HRETURN( hr );
|
|
|
|
} //*** CEnumCfgNetworks::Count
|
|
|
|
|
|
|
|
//****************************************************************************
|
|
//
|
|
// IClusCfgCallback
|
|
//
|
|
//****************************************************************************
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//++
|
|
//
|
|
// CEnumCfgNetworks::SendStatusReport
|
|
//
|
|
// Description:
|
|
//
|
|
// Arguments:
|
|
//
|
|
// Return Value:
|
|
//
|
|
// Remarks:
|
|
// None.
|
|
//
|
|
//--
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
STDMETHODIMP
|
|
CEnumCfgNetworks::SendStatusReport(
|
|
BSTR bstrNodeNameIn
|
|
, CLSID clsidTaskMajorIn
|
|
, CLSID clsidTaskMinorIn
|
|
, ULONG ulMinIn
|
|
, ULONG ulMaxIn
|
|
, ULONG ulCurrentIn
|
|
, HRESULT hrStatusIn
|
|
, BSTR bstrDescriptionIn
|
|
, FILETIME * pftTimeIn
|
|
, BSTR bstrReferenceIn
|
|
)
|
|
{
|
|
TraceFunc( "[IClusCfgCallback]" );
|
|
|
|
HRESULT hr = S_OK;
|
|
|
|
if ( m_pcccb != NULL )
|
|
{
|
|
hr = THR( m_pcccb->SendStatusReport(
|
|
bstrNodeNameIn
|
|
, clsidTaskMajorIn
|
|
, clsidTaskMinorIn
|
|
, ulMinIn
|
|
, ulMaxIn
|
|
, ulCurrentIn
|
|
, hrStatusIn
|
|
, bstrDescriptionIn
|
|
, pftTimeIn
|
|
, bstrReferenceIn
|
|
) );
|
|
} // if:
|
|
|
|
HRETURN( hr );
|
|
|
|
} //*** CEnumCfgNetworks::SendStatusReport
|
|
|
|
|
|
//*************************************************************************//
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// CEnumCfgNetworks -- Private methods.
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//++
|
|
//
|
|
// CEnumCfgNetworks::HrGetItem
|
|
//
|
|
// Description:
|
|
//
|
|
// Arguments:
|
|
//
|
|
// Return Value:
|
|
//
|
|
// Remarks:
|
|
// None.
|
|
//
|
|
//--
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
HRESULT
|
|
CEnumCfgNetworks::HrGetItem(
|
|
DWORD dwItem
|
|
, IClusCfgNetworkInfo ** ppNetworkInfoOut
|
|
)
|
|
{
|
|
TraceFunc( "" );
|
|
|
|
HRESULT hr = S_OK;
|
|
DWORD sc;
|
|
DWORD dwTypeDummy;
|
|
DWORD cchName = 64; // good starting value
|
|
BSTR bstrName = NULL;
|
|
|
|
IUnknown * punk = NULL;
|
|
|
|
Assert( ppNetworkInfoOut != NULL );
|
|
Assert( m_hClusEnum != NULL );
|
|
|
|
bstrName = TraceSysAllocStringLen( NULL, cchName );
|
|
if ( bstrName == NULL )
|
|
{
|
|
hr = THR( E_OUTOFMEMORY );
|
|
goto Cleanup;
|
|
}
|
|
|
|
cchName ++; // SysAllocStringLen allocates cchName + 1.
|
|
|
|
// We are wrapping this a cchName should be significantly large enough to handle
|
|
// most of our testing.
|
|
sc = ClusterEnum( m_hClusEnum, m_dwIndex, &dwTypeDummy, bstrName, &cchName );
|
|
if ( sc == ERROR_MORE_DATA )
|
|
{
|
|
//
|
|
// Our "typical" buffer is too small. Try make it to the size ClusterEnum
|
|
// returned.
|
|
//
|
|
|
|
TraceSysFreeString( bstrName );
|
|
bstrName = NULL;
|
|
|
|
bstrName = TraceSysAllocStringLen( NULL, cchName );
|
|
if ( bstrName == NULL )
|
|
{
|
|
hr = THR( E_OUTOFMEMORY );
|
|
goto Cleanup;
|
|
}
|
|
|
|
cchName ++; // SysAllocStringLen allocates cchName + 1.
|
|
|
|
sc = TW32( ClusterEnum( m_hClusEnum, m_dwIndex, &dwTypeDummy, bstrName, &cchName ) );
|
|
}
|
|
else if ( sc == ERROR_NO_MORE_ITEMS )
|
|
{
|
|
hr = MAKE_HRESULT( 0, FACILITY_WIN32, ERROR_NO_MORE_ITEMS );
|
|
goto Cleanup;
|
|
}
|
|
|
|
if ( sc != ERROR_SUCCESS )
|
|
{
|
|
hr = HRESULT_FROM_WIN32( TW32( sc ) );
|
|
SSR_W2KPROXY_STATUS( TASKID_Major_Client_And_Server_Log, TASKID_Minor_HrGetItem_ClusterEnum_Failed, hr );
|
|
goto Cleanup;
|
|
}
|
|
|
|
Assert( dwTypeDummy == CLUSTER_ENUM_NETWORK );
|
|
|
|
//
|
|
// Create the requested object and store it.
|
|
//
|
|
|
|
hr = STHR( CProxyCfgNetworkInfo::S_HrCreateInstance( &punk, m_punkOuter, m_phCluster, m_pclsidMajor, bstrName ) );
|
|
if ( FAILED( hr ) )
|
|
{
|
|
SSR_W2KPROXY_STATUS( TASKID_Major_Client_And_Server_Log, TASKID_Minor_HrGetItem_Create_CProxyCfgNetworkInfo_Failed, hr );
|
|
goto Cleanup;
|
|
}
|
|
|
|
if ( hr == S_FALSE )
|
|
{
|
|
goto Cleanup; // This means that the object was not a network resource.
|
|
}
|
|
|
|
//
|
|
// QI for the interface to return.
|
|
//
|
|
|
|
hr = THR( punk->TypeSafeQI( IClusCfgNetworkInfo, ppNetworkInfoOut ) );
|
|
if ( FAILED( hr ) )
|
|
{
|
|
SSR_W2KPROXY_STATUS( TASKID_Major_Client_And_Server_Log, TASKID_Minor_HrGetItem_QI_Failed, hr );
|
|
goto Cleanup;
|
|
}
|
|
|
|
Cleanup:
|
|
|
|
TraceSysFreeString( bstrName );
|
|
|
|
if ( punk != NULL )
|
|
{
|
|
punk->Release();
|
|
}
|
|
|
|
HRETURN( hr );
|
|
|
|
} // *** CEnumCfgNetworks::HrGetItem
|