Leaked source code of windows server 2003
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546 lines
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//////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 1999-2000 Microsoft Corporation
//
// Module Name:
// NotificationMgr.cpp
//
// Description:
// Notification Manager implementation.
//
// Documentation:
// Yes.
//
// Maintained By:
// Geoffrey Pease (GPease) 22-NOV-1999
//
//////////////////////////////////////////////////////////////////////////////
#include "Pch.h"
#include "ConnPointEnum.h"
#include "NotificationManager.h"
#include "CPINotifyUI.h"
#include "CPIClusCfgCallback.h"
DEFINE_THISCLASS("CNotificationManager")
// ************************************************************************
//
// Constructor / Destructor
//
// ************************************************************************
//////////////////////////////////////////////////////////////////////////////
//
// HRESULT
// CNotificationManager::S_HrCreateInstance(
// IUnknown ** ppunkOut
// )
//
//////////////////////////////////////////////////////////////////////////////
HRESULT
CNotificationManager::S_HrCreateInstance(
IUnknown ** ppunkOut
)
{
TraceFunc( "" );
HRESULT hr = S_OK;
IServiceProvider * psp = NULL;
CNotificationManager * pnm = NULL;
Assert( ppunkOut != NULL );
if ( ppunkOut == NULL )
{
hr = THR( E_POINTER );
goto Cleanup;
}
// Don't wrap - this can fail with E_POINTER.
hr = CServiceManager::S_HrGetManagerPointer( &psp );
if ( hr == E_POINTER )
{
//
// This happens when the Service Manager is first started.
//
pnm = new CNotificationManager();
if ( pnm == NULL )
{
hr = THR( E_OUTOFMEMORY );
goto Cleanup;
}
hr = THR( pnm->HrInit() );
if ( FAILED( hr ) )
{
goto Cleanup;
}
hr = THR( pnm->TypeSafeQI( IUnknown, ppunkOut ) );
if ( FAILED( hr ) )
{
goto Cleanup;
}
} // if: service manager doesn't exist
else if ( FAILED( hr ) )
{
THR( hr );
goto Cleanup;
}
else
{
hr = THR( psp->TypeSafeQS( CLSID_NotificationManager, IUnknown, ppunkOut ) );
psp->Release();
} // else: service manager exists
Cleanup:
if ( pnm != NULL )
{
pnm->Release();
}
HRETURN( hr );
} //*** CNotificationManager::S_HrCreateInstance
//////////////////////////////////////////////////////////////////////////////
//++
//
// CNotificationManager::CNotificationManager
//
// Description:
// Default constructor.
//
// Arguments:
// None.
//
// Return Values:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
CNotificationManager::CNotificationManager( void )
: m_cRef( 1 )
{
TraceFunc( "" );
InterlockedIncrement( &g_cObjects );
TraceFuncExit();
} //*** CNotificationManager::CNotificationManager
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CNotificationManager::HrInit
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CNotificationManager::HrInit( void )
{
TraceFunc( "" );
HRESULT hr = S_OK;
IUnknown * punk = NULL;
// IUnknown stuff
Assert( m_cRef == 1 );
// IConnectionPointContainer
Assert( m_penumcp == NULL );
m_penumcp = new CConnPointEnum();
if ( m_penumcp == NULL )
{
hr = THR( E_OUTOFMEMORY );
goto Cleanup;
}
hr = THR( m_penumcp->HrInit() );
if ( FAILED( hr ) )
{
goto Cleanup;
}
hr = THR( CCPINotifyUI::S_HrCreateInstance( &punk ) );
if ( FAILED( hr ) )
{
goto Cleanup;
}
hr = THR( m_penumcp->HrAddConnection( IID_INotifyUI, punk ) );
if ( FAILED( hr ) )
{
goto Cleanup;
}
punk->Release();
punk = NULL;
hr = THR( CCPIClusCfgCallback::S_HrCreateInstance( &punk ) );
if ( FAILED( hr ) )
{
goto Cleanup;
}
hr = THR( m_penumcp->HrAddConnection( IID_IClusCfgCallback, punk ) );
if ( FAILED( hr ) )
{
goto Cleanup;
}
hr = THR( m_csInstanceGuard.HrInitialized() );
if ( FAILED( hr ) )
{
goto Cleanup;
}
Cleanup:
if ( punk != NULL )
{
punk->Release();
}
HRETURN( hr );
} //*** CNotificationManager::HrInit
//////////////////////////////////////////////////////////////////////////////
//
// CNotificationManager::~CNotificationManager
//
//////////////////////////////////////////////////////////////////////////////
CNotificationManager::~CNotificationManager( void )
{
TraceFunc( "" );
if ( m_penumcp != NULL )
{
m_penumcp->Release();
}
InterlockedDecrement( &g_cObjects );
TraceFuncExit();
} //*** CNotificationManager::~CNotificationManager
// ************************************************************************
//
// IUnknown
//
// ************************************************************************
//////////////////////////////////////////////////////////////////////////////
//++
//
// CNotificationManager::QueryInterface
//
// Description:
// Query this object for the passed in interface.
//
// Arguments:
// riidIn
// Id of interface requested.
//
// ppvOut
// Pointer to the requested interface.
//
// Return Value:
// S_OK
// If the interface is available on this object.
//
// E_NOINTERFACE
// If the interface is not available.
//
// E_POINTER
// ppvOut was NULL.
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CNotificationManager::QueryInterface(
REFIID riidIn
, LPVOID * ppvOut
)
{
TraceQIFunc( riidIn, ppvOut );
HRESULT hr = S_OK;
//
// Validate arguments.
//
Assert( ppvOut != NULL );
if ( ppvOut == NULL )
{
hr = THR( E_POINTER );
goto Cleanup;
}
//
// Handle known interfaces.
//
if ( IsEqualIID( riidIn, IID_IUnknown ) )
{
*ppvOut = static_cast< INotificationManager * >( this );
} // if: IUnknown
else if ( IsEqualIID( riidIn, IID_INotificationManager ) )
{
*ppvOut = TraceInterface( __THISCLASS__, INotificationManager, this, 0 );
} // else if: INotificationManager
else if ( IsEqualIID( riidIn, IID_IConnectionPointContainer ) )
{
*ppvOut = TraceInterface( __THISCLASS__, IConnectionPointContainer, this, 0 );
} // else if: IConnectionPointContainer
else
{
*ppvOut = NULL;
hr = E_NOINTERFACE;
}
//
// Add a reference to the interface if successful.
//
if ( SUCCEEDED( hr ) )
{
((IUnknown *) *ppvOut)->AddRef();
} // if: success
Cleanup:
QIRETURN_IGNORESTDMARSHALLING( hr, riidIn );
} //*** CNotificationManager::QueryInterface
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP_(ULONG)
// CNotificationManager::AddRef
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP_(ULONG)
CNotificationManager::AddRef( void )
{
TraceFunc( "[IUnknown]" );
InterlockedIncrement( &m_cRef );
CRETURN( m_cRef );
} //*** CNotificationManager::AddRef
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP_(ULONG)
// CNotificationManager::Release
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP_(ULONG)
CNotificationManager::Release( void )
{
TraceFunc( "[IUnknown]" );
LONG cRef;
cRef = InterlockedDecrement( &m_cRef );
if ( cRef == 0 )
{
TraceDo( delete this );
}
CRETURN( cRef );
} //*** CNotificationManager::Release
// ************************************************************************
//
// INotificationManager
//
// ************************************************************************
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CNotificationManager::AddConnectionPoint(
// REFIID riidIn,
// IConnectionPoint * pcpIn
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CNotificationManager::AddConnectionPoint(
REFIID riidIn,
IConnectionPoint * pcpIn
)
{
TraceFunc( "[INotificationManager]" );
HRESULT hr;
m_csInstanceGuard.Enter();
hr = THR( m_penumcp->HrAddConnection( riidIn, pcpIn ) );
m_csInstanceGuard.Leave();
HRETURN( hr );
} //*** CNotificationManager::AddConnectionPoint
// ************************************************************************
//
// IConnectionPointContainer
//
// ************************************************************************
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CNotificationManager::EnumConnectionPoints(
// IEnumConnectionPoints **ppEnumOut
// )
//
// Return values:
// On success the result of m_penumcp->Clone()
// E_POINTER - null m_penumcp pointer
// E_INVALIDARG - ppEnumOut is NULL
//
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CNotificationManager::EnumConnectionPoints(
IEnumConnectionPoints **ppEnumOut
)
{
TraceFunc( "[IConnectionPointContainer]" );
HRESULT hr = S_OK;
m_csInstanceGuard.Enter();
if ( ( ppEnumOut == NULL ) || ( m_penumcp == NULL ) )
{
hr = THR( E_POINTER );
goto Cleanup;
}
hr = THR( m_penumcp->Clone( ppEnumOut ) );
Cleanup:
m_csInstanceGuard.Leave();
HRETURN( hr );
} //*** CNotificationManager::EnumConnectionPoints
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CNotificationManager::FindConnectionPoint(
// REFIID riidIn,
// IConnectionPoint **ppCPOut
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CNotificationManager::FindConnectionPoint(
REFIID riidIn,
IConnectionPoint ** ppCPOut
)
{
TraceFunc( "[IConnectionPointContainer]" );
IID iid;
HRESULT hr = S_FALSE;
IConnectionPoint * pcp = NULL;
m_csInstanceGuard.Enter();
if ( ppCPOut == NULL )
{
hr = THR( E_POINTER );
goto Cleanup;
}
hr = THR( m_penumcp->Reset() );
if ( FAILED( hr ) )
{
goto Cleanup;
}
for ( ; ; ) // ever
{
if ( pcp != NULL )
{
pcp->Release();
pcp = NULL;
}
hr = STHR( m_penumcp->Next( 1, &pcp, NULL ) );
if ( FAILED( hr ) )
{
goto Cleanup;
}
if ( hr == S_FALSE )
{
hr = THR( CONNECT_E_NOCONNECTION );
break; // exit condition
}
hr = THR( pcp->GetConnectionInterface( &iid ) );
if ( FAILED( hr ) )
{
continue; // ignore it
}
if ( iid != riidIn )
{
continue; // not the right interface
}
//
// Found it. Give up ownership and exit loop.
//
*ppCPOut = pcp;
pcp = NULL;
hr = S_OK;
break;
} // forever
Cleanup:
if ( pcp != NULL )
{
pcp->Release();
}
m_csInstanceGuard.Leave();
HRETURN( hr );
} //*** CNotificationManager::FindConnectionPoint