Source code of Windows XP (NT5)
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//////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 1999-2000 Microsoft Corporation
//
// Module Name:
// ClusterNodeGroup.cpp
//
// Description:
// Implementation of CClusterNodeGroup class
//
// Author:
// Henry Wang (HenryWa) 24-AUG-1999
//
//////////////////////////////////////////////////////////////////////////////
#include "Pch.h"
#include "ClusterNodeGroup.h"
//****************************************************************************
//
// CClusterNodeGroup
//
//****************************************************************************
//////////////////////////////////////////////////////////////////////////////
//++
//
// CClusterNodeGroup::CClusterNodeGroup(
//
// Description:
// Create a cluster node object.
//
// Arguments:
// pwszNameIn -- Class name
// pNamespaceIn -- Namespace
// dwEnumTypeIn -- Type id
//
// Return Values:
// pointer to the CProvBase
//
//--
//////////////////////////////////////////////////////////////////////////////
CClusterNodeGroup::CClusterNodeGroup(
LPCWSTR pwszNameIn,
CWbemServices * pNamespaceIn,
DWORD dwEnumTypeIn
)
: CClusterObjAssoc( pwszNameIn, pNamespaceIn, dwEnumTypeIn )
{
} //*** CClusterNodeGroup::CClusterNodeGroup()
//////////////////////////////////////////////////////////////////////////////
//++
//
// static
// CProvBase *
// CClusterNodeGroup::S_CreateThis(
//
// Description:
// Create a cluster node object.
//
// Arguments:
// pwszNameIn -- Class name
// pNamespaceIn -- Namespace
// dwEnumTypeIn -- Type id
//
// Return Values:
// pointer to the CProvBase
//
//--
//////////////////////////////////////////////////////////////////////////////
CProvBase *
CClusterNodeGroup::S_CreateThis(
const WCHAR * pwszNameIn,
CWbemServices * pNamespaceIn,
DWORD dwEnumTypeIn
)
{
return new CClusterNodeGroup(
pwszNameIn,
pNamespaceIn,
dwEnumTypeIn
);
} //*** CClusterNodeGroup::S_CreateThis()
//////////////////////////////////////////////////////////////////////////////
//++
//
// SCODE
// CClusterNodeGroup::EnumInstance(
// long lFlagsIn,
// IWbemContext * pCtxIn,
// IWbemObjectSink * pHandlerIn
// )
//
// Description:
// Enumerate instances
//
// Arguments:
// lFlagsIn --
// pCtxIn --
// pHandlerIn --
//
// Return Values:
// SCODE
//
//--
//////////////////////////////////////////////////////////////////////////////
SCODE
CClusterNodeGroup::EnumInstance(
long lFlagsIn,
IWbemContext * pCtxIn,
IWbemObjectSink * pHandlerIn
)
{
SAFECLUSTER shCluster;
SAFEGROUP shGroup;
LPCWSTR pwszName = NULL;
DWORD cchNodeName = MAX_PATH;
CWstrBuf wsbNodeName;
DWORD cch;
CError er;
DWORD dwError;
CWbemClassObject wco;
CWbemClassObject wcoGroup;
CWbemClassObject wcoPart;
_bstr_t bstrGroup;
_bstr_t bstrPart;
shCluster = OpenCluster( NULL );
CClusterEnum clusEnum( shCluster, m_dwEnumType );
m_wcoGroup.SpawnInstance( 0, & wcoGroup );
m_wcoPart.SpawnInstance( 0, & wcoPart );
wsbNodeName.SetSize( cchNodeName );
while ( pwszName = clusEnum.GetNext() )
{
DWORD dwState;
cch = cchNodeName;
wcoPart.SetProperty( pwszName, PVD_PROP_GROUP_NAME );
wcoPart.GetProperty( bstrPart, PVD_WBEM_RELPATH );
shGroup = OpenClusterGroup( shCluster, pwszName );
dwState = GetClusterGroupState( shGroup, wsbNodeName, & cch );
if ( dwState == ClusterGroupStateUnknown )
{
dwError = GetLastError();
if ( dwError == ERROR_MORE_DATA )
{
cchNodeName = ++ cch;
wsbNodeName.SetSize( cch );
GetClusterGroupState( shGroup, wsbNodeName, & cch );
} // if: more data
else
{
er = dwError;
} // else
} // if: StateUnknown
wcoGroup.SetProperty( wsbNodeName, CLUSREG_NAME_GRP_NAME );
wcoGroup.GetProperty( bstrGroup, PVD_WBEM_RELPATH );
m_pClass->SpawnInstance( 0, & wco );
wco.SetProperty( (LPWSTR) bstrGroup, PVD_PROP_GROUPCOMPONENT );
wco.SetProperty( (LPWSTR ) bstrPart, PVD_PROP_PARTCOMPONENT );
pHandlerIn->Indicate( 1, & wco );
} // while: more items to enumerate
return WBEM_S_NO_ERROR;
} //*** CClusterNodeGroup::EnumInstance(()