831 lines
19 KiB
C++
831 lines
19 KiB
C++
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Copyright (c) 2000-2001 Microsoft Corporation
|
|
//
|
|
// Module Name:
|
|
// NodeInformation.cpp
|
|
//
|
|
// Description:
|
|
// Node Information object implementation.
|
|
//
|
|
// Maintained By:
|
|
// Galen Barbee (GalenB) 02-MAR-2000
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include "pch.h"
|
|
#include "NodeInformation.h"
|
|
#include "ClusterConfiguration.h"
|
|
|
|
DEFINE_THISCLASS("CNodeInformation")
|
|
|
|
|
|
// ************************************************************************
|
|
//
|
|
// Constructor / Destructor
|
|
//
|
|
// ************************************************************************
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// HRESULT
|
|
// CNodeInformation::S_HrCreateInstance(
|
|
// IUnknown ** ppunkOut
|
|
// )
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
HRESULT
|
|
CNodeInformation::S_HrCreateInstance(
|
|
IUnknown ** ppunkOut
|
|
)
|
|
{
|
|
TraceFunc( "" );
|
|
|
|
Assert( ppunkOut != NULL );
|
|
|
|
HRESULT hr;
|
|
|
|
CNodeInformation * pmd = new CNodeInformation;
|
|
if ( pmd != NULL )
|
|
{
|
|
hr = THR( pmd->Init() );
|
|
if ( SUCCEEDED( hr ) )
|
|
{
|
|
hr = THR( pmd->TypeSafeQI( IUnknown, ppunkOut ) );
|
|
}
|
|
|
|
pmd->Release();
|
|
}
|
|
else
|
|
{
|
|
hr = E_OUTOFMEMORY;
|
|
}
|
|
|
|
HRETURN( hr );
|
|
|
|
} // S_HrCreateInstance()
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// CNodeInformation::CNodeInformation( void )
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
CNodeInformation::CNodeInformation( void )
|
|
{
|
|
TraceFunc( "" );
|
|
|
|
InterlockedIncrement( &g_cObjects );
|
|
|
|
TraceFuncExit();
|
|
|
|
} // CNodeInformation()
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// STDMETHODIMP
|
|
// CNodeInformation::Init( void )
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
STDMETHODIMP
|
|
CNodeInformation::Init( void )
|
|
{
|
|
TraceFunc( "" );
|
|
|
|
HRESULT hr = S_OK;
|
|
|
|
// IUnknown stuff
|
|
Assert( m_cRef == 0 );
|
|
AddRef(); // Add one count
|
|
|
|
// IClusCfgNodeInfo
|
|
Assert( m_bstrName == NULL );
|
|
Assert( m_fHasNameChanged == FALSE );
|
|
Assert( m_fIsMember == FALSE );
|
|
Assert( m_pccci == NULL );
|
|
Assert( m_dwHighestVersion == 0 );
|
|
Assert( m_dwLowestVersion == 0 );
|
|
Assert( m_dwMajorVersion == 0 );
|
|
Assert( m_dwMinorVersion == 0 );
|
|
Assert( m_wSuiteMask == 0 );
|
|
Assert( m_bProductType == 0 );
|
|
Assert( m_bstrCSDVersion == NULL );
|
|
Assert( m_dlmDriveLetterMapping.dluDrives[ 0 ] == 0 );
|
|
|
|
// IExtendObjectManager
|
|
|
|
HRETURN( hr );
|
|
|
|
} // Init()
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// CNodeInformation::~CNodeInformation()
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
CNodeInformation::~CNodeInformation()
|
|
{
|
|
TraceFunc( "" );
|
|
|
|
if ( m_pccci != NULL )
|
|
{
|
|
m_pccci->Release();
|
|
}
|
|
|
|
if ( m_bstrName != NULL )
|
|
{
|
|
TraceSysFreeString( m_bstrName );
|
|
}
|
|
|
|
if ( m_bstrCSDVersion != NULL )
|
|
{
|
|
TraceSysFreeString( m_bstrCSDVersion );
|
|
} // if:
|
|
|
|
InterlockedDecrement( &g_cObjects );
|
|
|
|
TraceFuncExit();
|
|
|
|
} // ~CNodeInformation()
|
|
|
|
|
|
// ************************************************************************
|
|
//
|
|
// IUnknown
|
|
//
|
|
// ************************************************************************
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// STDMETHODIMP
|
|
// CNodeInformation::QueryInterface(
|
|
// REFIID riid,
|
|
// LPVOID *ppv
|
|
// )
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
STDMETHODIMP
|
|
CNodeInformation::QueryInterface(
|
|
REFIID riid,
|
|
LPVOID *ppv
|
|
)
|
|
{
|
|
TraceQIFunc( riid, ppv );
|
|
|
|
HRESULT hr = E_NOINTERFACE;
|
|
|
|
if ( IsEqualIID( riid, IID_IUnknown ) )
|
|
{
|
|
*ppv = static_cast< IClusCfgNodeInfo * >( this );
|
|
hr = S_OK;
|
|
} // if: IUnknown
|
|
else if ( IsEqualIID( riid, IID_IClusCfgNodeInfo ) )
|
|
{
|
|
*ppv = TraceInterface( __THISCLASS__, IClusCfgNodeInfo, this, 0 );
|
|
hr = S_OK;
|
|
} // else if: IClusCfgNodeInfo
|
|
else if ( IsEqualIID( riid, IID_IGatherData ) )
|
|
{
|
|
*ppv = TraceInterface( __THISCLASS__, IGatherData, this, 0 );
|
|
hr = S_OK;
|
|
} // else if: IGatherData
|
|
else if ( IsEqualIID( riid, IID_IExtendObjectManager ) )
|
|
{
|
|
*ppv = TraceInterface( __THISCLASS__, IExtendObjectManager, this, 0 );
|
|
hr = S_OK;
|
|
} // else if: IExtendObjectManager
|
|
|
|
if ( SUCCEEDED( hr ) )
|
|
{
|
|
((IUnknown*) *ppv)->AddRef();
|
|
} // if: success
|
|
|
|
QIRETURN_IGNORESTDMARSHALLING( hr, riid );
|
|
|
|
} // QueryInterface()
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// STDMETHODIMP_(ULONG)
|
|
// CNodeInformation::AddRef( void )
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
STDMETHODIMP_(ULONG)
|
|
CNodeInformation::AddRef( void )
|
|
{
|
|
TraceFunc( "[IUnknown]" );
|
|
|
|
InterlockedIncrement( &m_cRef );
|
|
|
|
RETURN( m_cRef );
|
|
|
|
} // AddRef()
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// STDMETHODIMP_(ULONG)
|
|
// CNodeInformation::Release( void )
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
STDMETHODIMP_(ULONG)
|
|
CNodeInformation::Release( void )
|
|
{
|
|
TraceFunc( "[IUnknown]" );
|
|
|
|
InterlockedDecrement( &m_cRef );
|
|
|
|
if ( m_cRef )
|
|
RETURN( m_cRef );
|
|
|
|
TraceDo( delete this );
|
|
|
|
RETURN(0);
|
|
|
|
} // Release()
|
|
|
|
|
|
// ************************************************************************
|
|
//
|
|
// IClusCfgNodeInfo
|
|
//
|
|
// ************************************************************************
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// STDMETHODIMP
|
|
// CNodeInformation::GetName(
|
|
// BSTR * pbstrNameOut
|
|
// )
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
STDMETHODIMP
|
|
CNodeInformation::GetName(
|
|
BSTR * pbstrNameOut
|
|
)
|
|
{
|
|
TraceFunc( "[IClusCfgNodeInfo]" );
|
|
|
|
HRESULT hr = S_OK;
|
|
|
|
if ( pbstrNameOut == NULL )
|
|
goto InvalidPointer;
|
|
|
|
if ( m_bstrName == NULL )
|
|
goto UnexpectedError;
|
|
|
|
*pbstrNameOut = SysAllocString( m_bstrName );
|
|
if ( *pbstrNameOut == NULL )
|
|
goto OutOfMemory;
|
|
|
|
Cleanup:
|
|
HRETURN( hr );
|
|
|
|
InvalidPointer:
|
|
hr = THR( E_POINTER );
|
|
goto Cleanup;
|
|
|
|
UnexpectedError:
|
|
hr = THR( E_UNEXPECTED );
|
|
goto Cleanup;
|
|
|
|
OutOfMemory:
|
|
hr = E_OUTOFMEMORY;
|
|
goto Cleanup;
|
|
|
|
} // GetName()
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// STDMETHODIMP
|
|
// CNodeInformation::SetName(
|
|
// LPCWSTR pcszNameIn
|
|
// )
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
STDMETHODIMP
|
|
CNodeInformation::SetName(
|
|
LPCWSTR pcszNameIn
|
|
)
|
|
{
|
|
TraceFunc( "[IClusCfgNodeInfo]" );
|
|
|
|
HRESULT hr = S_OK;
|
|
|
|
BSTR bstrNewName;
|
|
|
|
if ( pcszNameIn == NULL )
|
|
goto InvalidArg;
|
|
|
|
bstrNewName = TraceSysAllocString( pcszNameIn );
|
|
if ( bstrNewName == NULL )
|
|
goto OutOfMemory;
|
|
|
|
if ( m_bstrName != NULL )
|
|
{
|
|
TraceSysFreeString( m_bstrName );
|
|
}
|
|
|
|
m_fHasNameChanged = TRUE;
|
|
m_bstrName = bstrNewName;
|
|
|
|
Cleanup:
|
|
HRETURN( hr );
|
|
|
|
InvalidArg:
|
|
hr = THR( E_INVALIDARG );
|
|
goto Cleanup;
|
|
|
|
OutOfMemory:
|
|
hr = E_OUTOFMEMORY;
|
|
goto Cleanup;
|
|
|
|
} // SetName()
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// STDMETHODIMP
|
|
// CNodeInformation::IsMemberOfCluster( void )
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
STDMETHODIMP
|
|
CNodeInformation::IsMemberOfCluster( void )
|
|
{
|
|
TraceFunc( "[IClusCfgNodeInfo]" );
|
|
|
|
HRESULT hr = S_OK;
|
|
|
|
if ( m_fIsMember == FALSE )
|
|
{
|
|
hr = S_FALSE;
|
|
}
|
|
|
|
HRETURN( hr );
|
|
|
|
} // IsMemberOfCluster()
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// STDMETHODIMP
|
|
// CNodeInformation::GetClusterConfigInfo(
|
|
// IClusCfgClusterInfo * * ppClusCfgClusterInfoOut
|
|
// )
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
STDMETHODIMP
|
|
CNodeInformation::GetClusterConfigInfo(
|
|
IClusCfgClusterInfo * * ppClusCfgClusterInfoOut
|
|
)
|
|
{
|
|
TraceFunc( "[IClusCfgNodeInfo]" );
|
|
|
|
HRESULT hr;
|
|
|
|
if ( ppClusCfgClusterInfoOut == NULL )
|
|
goto InvalidPointer;
|
|
|
|
if ( m_pccci == NULL )
|
|
goto ErrorUnexpected;
|
|
|
|
hr = THR( m_pccci->TypeSafeQI( IClusCfgClusterInfo, ppClusCfgClusterInfoOut ) );
|
|
|
|
Cleanup:
|
|
HRETURN( hr );
|
|
|
|
InvalidPointer:
|
|
hr = THR( E_POINTER );
|
|
goto Cleanup;
|
|
|
|
ErrorUnexpected:
|
|
hr = THR( E_UNEXPECTED );
|
|
goto Cleanup;
|
|
|
|
} // GetClusterConfigInfo()
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// STDMETHODIMP
|
|
// CNodeInformation::GetOSVersion(
|
|
// DWORD * pdwMajorVersionOut,
|
|
// DWORD * pdwMinorVersionOut,
|
|
// WORD * pwSuiteMaskOut,
|
|
// BYTE * pbProductTypeOut
|
|
// BSTR * pbstrCSDVersionOut
|
|
// )
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
STDMETHODIMP
|
|
CNodeInformation::GetOSVersion(
|
|
DWORD * pdwMajorVersionOut,
|
|
DWORD * pdwMinorVersionOut,
|
|
WORD * pwSuiteMaskOut,
|
|
BYTE * pbProductTypeOut,
|
|
BSTR * pbstrCSDVersionOut
|
|
)
|
|
{
|
|
TraceFunc( "[IClusCfgNodeInfo]" );
|
|
|
|
HRESULT hr = S_OK;
|
|
|
|
if ( pdwMajorVersionOut == NULL
|
|
|| pdwMinorVersionOut == NULL
|
|
|| pwSuiteMaskOut == NULL
|
|
|| pbProductTypeOut == NULL
|
|
|| pbstrCSDVersionOut == NULL
|
|
)
|
|
{
|
|
goto InvalidPointer;
|
|
}
|
|
|
|
*pdwMajorVersionOut = m_dwMajorVersion;
|
|
*pdwMinorVersionOut = m_dwMinorVersion;
|
|
*pwSuiteMaskOut = m_wSuiteMask;
|
|
*pbProductTypeOut = m_bProductType;
|
|
|
|
*pbstrCSDVersionOut = TraceSysAllocString( m_bstrCSDVersion );
|
|
if ( *pbstrCSDVersionOut == NULL )
|
|
{
|
|
hr = THR( E_OUTOFMEMORY );
|
|
} // if:
|
|
|
|
Cleanup:
|
|
HRETURN( hr );
|
|
|
|
InvalidPointer:
|
|
hr = THR( E_POINTER );
|
|
goto Cleanup;
|
|
|
|
} // GetOSVersion()
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// STDMETHODIMP
|
|
// CNodeInformation::GetClusterVersion(
|
|
// DWORD * pdwNodeHighestVersion,
|
|
// DWORD * pdwNodeLowestVersion
|
|
// )
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
STDMETHODIMP
|
|
CNodeInformation::GetClusterVersion(
|
|
DWORD * pdwNodeHighestVersion,
|
|
DWORD * pdwNodeLowestVersion
|
|
)
|
|
{
|
|
TraceFunc( "[IClusCfgNodeInfo]" );
|
|
|
|
HRESULT hr = S_OK;
|
|
|
|
if ( pdwNodeHighestVersion == NULL
|
|
|| pdwNodeLowestVersion == NULL
|
|
)
|
|
{
|
|
goto InvalidPointer;
|
|
}
|
|
|
|
*pdwNodeHighestVersion = m_dwHighestVersion;
|
|
*pdwNodeLowestVersion = m_dwLowestVersion;
|
|
|
|
Cleanup:
|
|
HRETURN( hr );
|
|
|
|
InvalidPointer:
|
|
hr = THR( E_POINTER );
|
|
goto Cleanup;
|
|
|
|
} // GetClusterVersion()
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// STDMETHODIMP
|
|
// CNodeInformation::GetDriveLetterMappings(
|
|
// SDriveLetterMapping * pdlmDriveLetterUsageOut
|
|
// )
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
STDMETHODIMP
|
|
CNodeInformation::GetDriveLetterMappings(
|
|
SDriveLetterMapping * pdlmDriveLetterUsageOut
|
|
)
|
|
|
|
{
|
|
TraceFunc( "[IClusCfgNodeInfo]" );
|
|
|
|
HRESULT hr = S_OK;
|
|
|
|
*pdlmDriveLetterUsageOut = m_dlmDriveLetterMapping;
|
|
|
|
HRETURN( hr );
|
|
|
|
} // GetDriveLetterMappings()
|
|
|
|
|
|
//****************************************************************************
|
|
//
|
|
// IGatherData
|
|
//
|
|
//****************************************************************************
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// STDMETHODIMP
|
|
// CNodeInformation::Gather(
|
|
// OBJECTCOOKIE cookieParentIn,
|
|
// IUnknown * punkIn
|
|
// )
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
STDMETHODIMP
|
|
CNodeInformation::Gather(
|
|
OBJECTCOOKIE cookieParentIn,
|
|
IUnknown * punkIn
|
|
)
|
|
{
|
|
TraceFunc( "[IGatherData]" );
|
|
|
|
HRESULT hr;
|
|
|
|
OBJECTCOOKIE cookie;
|
|
|
|
IServiceProvider * psp;
|
|
|
|
BSTR bstrClusterName = NULL;
|
|
BSTR bstrClusterNameLocal = NULL;
|
|
|
|
IUnknown * punk = NULL;
|
|
IObjectManager * pom = NULL;
|
|
IClusCfgClusterInfo * pccci = NULL;
|
|
IClusCfgNodeInfo * pccni = NULL;
|
|
|
|
//
|
|
// Check parameters.
|
|
//
|
|
|
|
if ( punkIn == NULL )
|
|
goto InvalidArg;
|
|
|
|
//
|
|
// Grab the right interface.
|
|
//
|
|
|
|
hr = THR( punkIn->TypeSafeQI( IClusCfgNodeInfo, &pccni ) );
|
|
if ( FAILED( hr ) )
|
|
goto Cleanup;
|
|
|
|
//
|
|
// Gather 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;
|
|
|
|
//
|
|
// Gather Name
|
|
//
|
|
|
|
hr = THR( pccni->GetName( &m_bstrName ) );
|
|
if ( FAILED( hr ) )
|
|
goto Error;
|
|
|
|
TraceMemoryAddBSTR( m_bstrName );
|
|
|
|
m_fHasNameChanged = FALSE;
|
|
|
|
//
|
|
// Gather Is Member?
|
|
//
|
|
|
|
hr = STHR( pccni->IsMemberOfCluster() );
|
|
if ( FAILED( hr ) )
|
|
goto Cleanup;
|
|
|
|
if ( hr == S_OK )
|
|
{
|
|
m_fIsMember = TRUE;
|
|
}
|
|
else
|
|
{
|
|
m_fIsMember = FALSE;
|
|
}
|
|
|
|
if ( m_fIsMember )
|
|
{
|
|
IGatherData * pgd;
|
|
|
|
//
|
|
// Gather Cluster Configuration
|
|
//
|
|
|
|
hr = THR( pccni->GetClusterConfigInfo( &pccci ) );
|
|
if ( FAILED( hr ) )
|
|
goto Cleanup;
|
|
|
|
hr = THR( CClusterConfiguration::S_HrCreateInstance( &punk ) );
|
|
if ( FAILED( hr ) )
|
|
goto Cleanup;
|
|
|
|
hr = THR( punk->TypeSafeQI( IGatherData, &pgd ) );
|
|
if ( FAILED( hr ) )
|
|
goto Cleanup;
|
|
|
|
hr = THR( pgd->Gather( NULL, pccci ) );
|
|
pgd->Release(); // release promptly
|
|
if ( FAILED( hr ) )
|
|
goto Cleanup;
|
|
|
|
hr = THR( punk->TypeSafeQI( IClusCfgClusterInfo, &m_pccci ) );
|
|
if ( FAILED( hr ) )
|
|
goto Cleanup;
|
|
|
|
pccci->Release();
|
|
pccci = NULL;
|
|
|
|
} // if: node if a member of a cluster
|
|
|
|
//
|
|
// Gather OS Version
|
|
//
|
|
|
|
hr = THR( pccni->GetOSVersion(
|
|
&m_dwMajorVersion,
|
|
&m_dwMinorVersion,
|
|
&m_wSuiteMask,
|
|
&m_bProductType,
|
|
&m_bstrCSDVersion
|
|
) );
|
|
if ( FAILED( hr ) )
|
|
goto Error;
|
|
|
|
//
|
|
// Gather Cluster Version
|
|
//
|
|
|
|
hr = THR( pccni->GetClusterVersion( &m_dwHighestVersion, &m_dwLowestVersion ) );
|
|
if ( FAILED( hr ) )
|
|
goto Error;
|
|
|
|
//
|
|
// Gather Drive Letter Mappings
|
|
//
|
|
|
|
hr = STHR( pccni->GetDriveLetterMappings( &m_dlmDriveLetterMapping ) );
|
|
if ( FAILED( hr ) )
|
|
goto Error;
|
|
|
|
//
|
|
// Anything else to gather??
|
|
//
|
|
|
|
Cleanup:
|
|
if ( punk != NULL )
|
|
{
|
|
punk->Release();
|
|
}
|
|
if ( pom != NULL )
|
|
{
|
|
pom->Release();
|
|
}
|
|
if ( pccci != NULL )
|
|
{
|
|
pccci->Release();
|
|
}
|
|
if ( bstrClusterName != NULL )
|
|
{
|
|
TraceSysFreeString( bstrClusterName );
|
|
}
|
|
if ( pccni != NULL )
|
|
{
|
|
pccni->Release();
|
|
}
|
|
|
|
HRETURN( hr );
|
|
|
|
Error:
|
|
//
|
|
// On error, invalidate all data.
|
|
//
|
|
if ( m_bstrName != NULL )
|
|
{
|
|
TraceSysFreeString( m_bstrName );
|
|
m_bstrName = NULL;
|
|
}
|
|
m_fHasNameChanged = FALSE;
|
|
m_fIsMember = FALSE;
|
|
if ( m_pccci != NULL )
|
|
{
|
|
m_pccci->Release();
|
|
m_pccci = NULL;
|
|
}
|
|
m_dwHighestVersion = 0;
|
|
m_dwLowestVersion = 0;
|
|
ZeroMemory( &m_dlmDriveLetterMapping, sizeof( m_dlmDriveLetterMapping ) );
|
|
goto Cleanup;
|
|
|
|
InvalidArg:
|
|
hr = THR( E_INVALIDARG );
|
|
goto Cleanup;
|
|
|
|
} // Gather()
|
|
|
|
|
|
// ************************************************************************
|
|
//
|
|
// IExtendObjectManager
|
|
//
|
|
// ************************************************************************
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// STDMETHODIMP
|
|
// CNodeInformation::FindObject(
|
|
// OBJECTCOOKIE cookieIn
|
|
// , REFCLSID rclsidTypeIn
|
|
// , LPCWSTR pcszNameIn
|
|
// , LPUNKNOWN * punkOut
|
|
// )
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
STDMETHODIMP
|
|
CNodeInformation::FindObject(
|
|
OBJECTCOOKIE cookieIn
|
|
, REFCLSID rclsidTypeIn
|
|
, LPCWSTR pcszNameIn
|
|
, LPUNKNOWN * ppunkOut
|
|
)
|
|
{
|
|
TraceFunc( "[IExtendObjectManager]" );
|
|
|
|
HRESULT hr = E_UNEXPECTED;
|
|
|
|
//
|
|
// Check parameters...
|
|
//
|
|
|
|
// Gotta have a cookie
|
|
if ( cookieIn == NULL )
|
|
goto InvalidArg;
|
|
|
|
// We need to be representing a NodeType.
|
|
if ( !IsEqualIID( rclsidTypeIn, CLSID_NodeType ) )
|
|
goto InvalidArg;
|
|
|
|
// We need a name.
|
|
if ( pcszNameIn == NULL )
|
|
goto InvalidArg;
|
|
|
|
//
|
|
// Save our name.
|
|
//
|
|
m_bstrName = TraceSysAllocString( pcszNameIn );
|
|
if ( m_bstrName == NULL )
|
|
goto OutOfMemory;
|
|
|
|
//
|
|
// Get the pointer.
|
|
//
|
|
if ( ppunkOut != NULL )
|
|
{
|
|
hr = THR( QueryInterface( DFGUID_NodeInformation,
|
|
reinterpret_cast< void ** > ( ppunkOut )
|
|
) );
|
|
if ( FAILED( hr ) )
|
|
goto Cleanup;
|
|
} // if: ppunkOut
|
|
|
|
//
|
|
// Tell caller that the data is pending.
|
|
//
|
|
hr = E_PENDING;
|
|
|
|
Cleanup:
|
|
HRETURN( hr );
|
|
|
|
OutOfMemory:
|
|
hr = E_OUTOFMEMORY;
|
|
goto Cleanup;
|
|
|
|
InvalidArg:
|
|
hr = THR( E_INVALIDARG );
|
|
goto Cleanup;
|
|
|
|
} // FindObject()
|