Source code of Windows XP (NT5)
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/////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 1996-2000 Microsoft Corporation
//
// Module Name:
// Notifications.cpp
//
// Abstract:
// Implementation of functions that send out notifications.
//
// Author:
// Vijayendra Vasu (vvasu) 17-AUG-2000
//
// Revision History:
// None.
//
/////////////////////////////////////////////////////////////////////////////
#define UNICODE 1
#define _UNICODE 1
/////////////////////////////////////////////////////////////////////////////
// Include files
/////////////////////////////////////////////////////////////////////////////
#include <objbase.h>
#include <ClusCfgGuids.h>
#include <ClusCfgServer.h>
#include "clusrtl.h"
/////////////////////////////////////////////////////////////////////////////
//++
//
// ClRtlInitiateStartupNotification()
//
// Routine Description:
// Initiate operations that inform interested parties that the cluster
// service is starting up.
//
// Arguments:
// None.
//
// Return Value:
// S_OK
// If the notification process was successfully initiated
//
// Other HRESULTS
// In case of error
//
//--
/////////////////////////////////////////////////////////////////////////////
HRESULT ClRtlInitiateStartupNotification( void )
{
HRESULT hr = S_OK;
IClusCfgStartupNotify * pccsnNotify = NULL;
ICallFactory * pcfCallFactory = NULL;
AsyncIClusCfgStartupNotify * paccsnAsyncNotify = NULL;
// Initialize COM
CoInitializeEx( NULL, COINIT_MULTITHREADED | COINIT_DISABLE_OLE1DDE );
do
{
hr = CoCreateInstance(
CLSID_ClusCfgStartupNotify
, NULL
, CLSCTX_LOCAL_SERVER
, __uuidof( pccsnNotify )
, reinterpret_cast< void ** >( &pccsnNotify )
);
if ( FAILED( hr ) )
{
break;
} // if: we could not get a pointer to synchronous notification interface
hr = pccsnNotify->QueryInterface( __uuidof( pcfCallFactory ), reinterpret_cast< void ** >( &pcfCallFactory ) );
if ( FAILED( hr ) )
{
break;
} // if: we could not get a pointer to the call factory interface
hr = pcfCallFactory->CreateCall(
__uuidof( paccsnAsyncNotify )
, NULL
, __uuidof( paccsnAsyncNotify )
, reinterpret_cast< IUnknown ** >( &paccsnAsyncNotify )
);
if ( FAILED( hr ) )
{
break;
} // if: we could not get a pointer to the asynchronous notification interface
hr = paccsnAsyncNotify->Begin_SendNotifications();
}
while( false ); // dummy do-while loop to avoid gotos
//
// Free acquired resources
//
if ( pccsnNotify != NULL )
{
pccsnNotify->Release();
} // if: we had obtained a pointer to the synchronous notification interface
if ( pcfCallFactory != NULL )
{
pcfCallFactory->Release();
} // if: we had obtained a pointer to the call factory interface
if ( paccsnAsyncNotify != NULL )
{
paccsnAsyncNotify->Release();
} // if: we had obtained a pointer to the asynchronous notification interface
CoUninitialize();
return hr;
} //*** ClRtlInitiateStartupNotification()