Source code of Windows XP (NT5)
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//////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2000-2001 Microsoft Corporation
//
// Module Name:
// TaskGatherClusterInfo.cpp
//
// Description:
// TaskGatherClusterInfo implementation.
//
// Maintained By:
// Galen Barbee (GalenB) 07-APR-2000
//
//////////////////////////////////////////////////////////////////////////////
#include "pch.h"
#include "TaskGatherClusterInfo.h"
DEFINE_THISCLASS("CTaskGatherClusterInfo")
// ************************************************************************
//
// Constructor / Destructor
//
// ************************************************************************
//////////////////////////////////////////////////////////////////////////////
//
// HRESULT
// CTaskGatherClusterInfo::S_HrCreateInstance(
// IUnknown ** ppunkOut
// )
//
//////////////////////////////////////////////////////////////////////////////
HRESULT
CTaskGatherClusterInfo::S_HrCreateInstance(
IUnknown ** ppunkOut
)
{
TraceFunc( "" );
Assert( ppunkOut != NULL );
HRESULT hr;
CTaskGatherClusterInfo * ptgci = new CTaskGatherClusterInfo;
if ( ptgci != NULL )
{
hr = THR( ptgci->Init() );
if ( SUCCEEDED( hr ) )
{
hr = THR( ptgci->TypeSafeQI( IUnknown, ppunkOut ) );
}
ptgci->Release();
// This gets passed to other threads.
TraceMoveToMemoryList( ptgci, g_GlobalMemoryList );
}
else
{
hr = E_OUTOFMEMORY;
}
HRETURN( hr );
} // S_HrCreateInstance()
//////////////////////////////////////////////////////////////////////////////
//
// CTaskGatherClusterInfo::CTaskGatherClusterInfo( void )
//
//////////////////////////////////////////////////////////////////////////////
CTaskGatherClusterInfo::CTaskGatherClusterInfo( void )
{
TraceFunc( "" );
InterlockedIncrement( &g_cObjects );
TraceFuncExit();
} // CTaskGatherClusterInfo()
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CTaskGatherClusterInfo::Init( void )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CTaskGatherClusterInfo::Init( void )
{
TraceFunc( "" );
HRESULT hr = S_OK;
// IUnknown stuff
Assert( m_cRef == 0 );
AddRef(); // Add one count
// IDoTask / ITaskGatherClusterInfo
Assert( m_cookie == NULL );
HRETURN( hr );
} // Init()
//////////////////////////////////////////////////////////////////////////////
//
// CTaskGatherClusterInfo::~CTaskGatherClusterInfo()
//
//////////////////////////////////////////////////////////////////////////////
CTaskGatherClusterInfo::~CTaskGatherClusterInfo()
{
TraceFunc( "" );
//
// This keeps the per thread memory tracking from screaming.
//
TraceMoveFromMemoryList( this, g_GlobalMemoryList );
InterlockedDecrement( &g_cObjects );
TraceFuncExit();
} // ~CTaskGatherClusterInfo()
// ************************************************************************
//
// IUnknown
//
// ************************************************************************
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CTaskGatherClusterInfo::QueryInterface(
// REFIID riid,
// LPVOID *ppv
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CTaskGatherClusterInfo::QueryInterface(
REFIID riid,
LPVOID *ppv
)
{
TraceQIFunc( riid, ppv );
HRESULT hr = E_NOINTERFACE;
if ( IsEqualIID( riid, IID_IUnknown ) )
{
*ppv = static_cast< ITaskGatherClusterInfo * >( this );
hr = S_OK;
} // if: IUnknown
else if ( IsEqualIID( riid, IID_IDoTask ) )
{
*ppv = TraceInterface( __THISCLASS__, IDoTask, this, 0 );
hr = S_OK;
} // else if: IDoTask
else if ( IsEqualIID( riid, IID_ITaskGatherClusterInfo ) )
{
*ppv = TraceInterface( __THISCLASS__, ITaskGatherClusterInfo, this, 0 );
hr = S_OK;
} // else if: IClusCfgManagedResourceInfo
if ( SUCCEEDED( hr ) )
{
((IUnknown*) *ppv)->AddRef();
} // if: success
QIRETURN_IGNORESTDMARSHALLING( hr, riid );
} // QueryInterface()
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP_(ULONG)
// CTaskGatherClusterInfo::AddRef( void )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP_(ULONG)
CTaskGatherClusterInfo::AddRef( void )
{
TraceFunc( "[IUnknown]" );
InterlockedIncrement( &m_cRef );
RETURN( m_cRef );
} // AddRef()
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP_(ULONG)
// CTaskGatherClusterInfo::Release( void )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP_(ULONG)
CTaskGatherClusterInfo::Release( void )
{
TraceFunc( "[IUnknown]" );
InterlockedDecrement( &m_cRef );
if ( m_cRef )
RETURN( m_cRef );
TraceDo( delete this );
RETURN(0);
} // Release()
// ************************************************************************
//
// IDoTask / ITaskGatherClusterInfo
//
// ************************************************************************
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CTaskGatherClusterInfo::BeginTask( void );
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CTaskGatherClusterInfo::BeginTask( void )
{
TraceFunc( "[IDoTask]" );
HRESULT hr;
IServiceProvider * psp = NULL;
IUnknown * punk = NULL;
IObjectManager * pom = NULL;
IConnectionManager * pcm = NULL;
IConnectionPointContainer * pcpc = NULL;
IConnectionPoint * pcp = NULL;
INotifyUI * pnui = NULL;
INotificationManager * pnm = NULL;
IClusCfgNodeInfo * pccni = NULL;
IClusCfgServer * pccs = NULL;
IGatherData * pgd = NULL;
IClusCfgClusterInfo * pccci = NULL;
TraceInitializeThread( L"TaskGatherClusterInfo" );
//
// Collect the manager we need to complete this task.
//
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
) );
if ( FAILED( hr ) )
goto Cleanup;
hr = THR( psp->TypeSafeQS( CLSID_ClusterConnectionManager,
IConnectionManager,
&pcm
) );
if ( FAILED( hr ) )
goto Cleanup;
hr = THR( psp->TypeSafeQS( CLSID_NotificationManager,
IConnectionPointContainer,
&pcpc
) );
if ( FAILED( hr ) )
goto Cleanup;
hr = THR( pcpc->FindConnectionPoint( IID_INotifyUI, &pcp ) );
if ( FAILED( hr ) )
goto Cleanup;
pcp = TraceInterface( L"CTaskGatherClusterInfo!IConnectionPoint", IConnectionPoint, pcp, 1 );
hr = THR( pcp->TypeSafeQI( INotifyUI, &pnui ) );
if ( FAILED( hr ) )
goto Cleanup;
pnui = TraceInterface( L"CTaskGatherClusterInfo!INotifyUI", INotifyUI, pnui, 1 );
psp->Release();
psp = NULL;
//
// Ask the Connection Manager for a connection to the object.
//
// don't wrap - this can fail.
hr = pcm->GetConnectionToObject( m_cookie,
&punk
);
//
// This means the cluster has not been created yet.
//
if ( hr == HR_S_RPC_S_SERVER_UNAVAILABLE )
{
goto ReportStatus;
}
// HR_S_RPC_S_CLUSTER_NODE_DOWN
else if ( FAILED( hr ) )
{
THR( hr );
goto ReportStatus;
}
hr = THR( punk->TypeSafeQI( IClusCfgServer, &pccs ) );
if ( FAILED( hr ) )
goto Cleanup;
punk->Release();
punk = NULL;
//
// Get the Node information.
//
hr = THR( pccs->GetClusterNodeInfo( &pccni ) );
if ( FAILED( hr ) )
goto ReportStatus;
//
// See if the node is a member of a cluster.
//
hr = STHR( pccni->IsMemberOfCluster() );
if ( FAILED( hr ) )
goto ReportStatus;
//
// If it is not a cluster, then there is nothing to do the "default"
// configuration will do.
//
if ( hr == S_FALSE )
{
hr = S_OK;
goto ReportStatus;
}
//
// Ask the Node for the Cluster Information.
//
hr = THR( pccni->GetClusterConfigInfo( &pccci ) );
if ( FAILED( hr ) )
goto ReportStatus;
//
// Ask the Object Manager to retrieve the data format to store the information.
//
Assert( punk == NULL );
hr = THR( pom->GetObject( DFGUID_ClusterConfigurationInfo, m_cookie, &punk ) );
if ( FAILED( hr ) )
goto ReportStatus;
hr = THR( punk->TypeSafeQI( IGatherData, &pgd ) );
if ( FAILED( hr ) )
goto ReportStatus;
//
// Start sucking.
//
hr = THR( pgd->Gather( NULL, pccci ) );
//
// Update the status. Ignore the error (if any).
//
ReportStatus:
if ( pom != NULL )
{
HRESULT hr2;
IUnknown * punk;
hr2 = THR( pom->GetObject( DFGUID_StandardInfo,
m_cookie,
&punk
) );
if ( SUCCEEDED( hr2 ) )
{
IStandardInfo * psi;
hr2 = THR( punk->TypeSafeQI( IStandardInfo, &psi ) );
punk->Release();
if ( SUCCEEDED( hr2 ) )
{
hr2 = THR( psi->SetStatus( hr ) );
psi->Release();
}
}
}
if ( pnui != NULL )
{
THR( pnui->ObjectChanged( m_cookie ) );
}
Cleanup:
if ( psp != NULL )
{
psp->Release();
}
if ( pcm != NULL )
{
pcm->Release();
}
if ( pccs != NULL )
{
pccs->Release();
}
if ( pccni != NULL )
{
pccni->Release();
}
if ( punk != NULL )
{
punk->Release();
}
if ( pom != NULL )
{
HRESULT hr2;
IUnknown * punk;
hr2 = THR( pom->GetObject( DFGUID_StandardInfo,
m_cookieCompletion,
&punk
) );
if ( SUCCEEDED( hr2 ) )
{
IStandardInfo * psi;
hr2 = THR( punk->TypeSafeQI( IStandardInfo, &psi ) );
punk->Release();
if ( SUCCEEDED( hr2 ) )
{
hr2 = THR( psi->SetStatus( hr ) );
psi->Release();
}
}
pom->Release();
}
if ( pgd != NULL )
{
pgd->Release();
}
if ( pccci != NULL )
{
pccci->Release();
}
if ( pcp != NULL )
{
pcp->Release();
}
if ( pcpc != NULL )
{
pcpc->Release();
}
if ( pnui !=NULL )
{
if ( m_cookieCompletion != 0 )
{
THR( pnui->ObjectChanged( m_cookieCompletion ) );
}
pnui->Release();
}
HRETURN( hr );
} // BeginTask()
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CTaskGatherClusterInfo::StopTask( void )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CTaskGatherClusterInfo::StopTask( void )
{
TraceFunc( "[IDoTask]" );
HRESULT hr = S_OK;
HRETURN( hr );
} //*** StopTask
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CTaskGatherClusterInfo::SetCookie(
// OBJECTCOOKIE cookieIn
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CTaskGatherClusterInfo::SetCookie(
OBJECTCOOKIE cookieIn
)
{
TraceFunc( "[ITaskGatherClusterInfo]" );
HRESULT hr = S_OK;
m_cookie = cookieIn;
HRETURN( hr );
} //*** SetCookie
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CTaskGatherClusterInfo::SetCompletionCookie(
// OBJECTCOOKIE cookieIn
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CTaskGatherClusterInfo::SetCompletionCookie(
OBJECTCOOKIE cookieIn
)
{
TraceFunc( "" );
HRESULT hr = S_OK;
m_cookieCompletion = cookieIn;
HRETURN( hr );
} // SetGatherPunk()