Leaked source code of windows server 2003
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//////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 1999-2002 Microsoft Corporation
//
// Module Name:
// CPIClusCfgCallback.cpp
//
// Description:
// IClusCfgCallback Connection Point implementation.
//
// Maintained By:
// Galen Barbee (GalenB) 10-NOV-2000
//
//////////////////////////////////////////////////////////////////////////////
#include "Pch.h"
#include "CPIClusCfgCallback.h"
#include "EnumCPICCCB.h"
#include <ClusterUtils.h>
DEFINE_THISCLASS("CCPIClusCfgCallback")
// ************************************************************************
//
// Constructor / Destructor
//
// ************************************************************************
//////////////////////////////////////////////////////////////////////////////
//++
//
// CCPIClusCfgCallback::S_HrCreateInstance
//
// Description:
// Create an object of this type.
//
// Arguments:
// ppunkOut - IUnknown pointer for this interface.
//
// Return Values:
// S_OK - Success.
// E_POINTER - A required output argument was not specified.
// E_OUTOFMEMORY - Memory could not be allocated.
// Other HRESULTs.
//
//--
//////////////////////////////////////////////////////////////////////////////
HRESULT
CCPIClusCfgCallback::S_HrCreateInstance(
IUnknown ** ppunkOut
)
{
TraceFunc( "" );
HRESULT hr = S_OK;
CCPIClusCfgCallback * pcc = NULL;
Assert( ppunkOut != NULL );
if ( ppunkOut == NULL )
{
hr = THR( E_POINTER );
goto Cleanup;
}
pcc = new CCPIClusCfgCallback();
if ( pcc == NULL )
{
hr = THR( E_OUTOFMEMORY );
goto Cleanup;
}
hr = THR( pcc->HrInit() );
if ( FAILED( hr ) )
{
goto Cleanup;
}
hr = THR( pcc->TypeSafeQI( IUnknown, ppunkOut ) );
if ( FAILED( hr ) )
{
goto Cleanup;
}
Cleanup:
if ( pcc != NULL )
{
pcc->Release();
}
HRETURN( hr );
} //*** CCPIClusCfgCallback::S_HrCreateInstance
//////////////////////////////////////////////////////////////////////////////
//++
//
// CCPIClusCfgCallback::CCPIClusCfgCallback
//
// Description:
// Default constructor.
//
// Arguments:
// None.
//
// Return Values:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
CCPIClusCfgCallback::CCPIClusCfgCallback( void )
: m_cRef( 1 )
{
TraceFunc( "" );
InterlockedIncrement( &g_cObjects );
TraceFuncExit();
} //*** CCPIClusCfgCallback::CCPIClusCfgCallback
//////////////////////////////////////////////////////////////////////////////
//++
//
// CCPIClusCfgCallback::HrInit
//
// Description:
// Initialize the object after it has been constructed.
//
// Arguments:
// None.
//
// Return Values:
// S_OK - Success.
// E_OUTOFMEMORY - Error allocating memory.
// Other HRESULTs.
//
//--
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CCPIClusCfgCallback::HrInit( void )
{
TraceFunc( "" );
HRESULT hr = S_OK;
// IUnknown stuff
Assert( m_cRef == 1 );
// IConnectionPoint
Assert( m_penum == NULL );
m_penum = new CEnumCPICCCB();
if ( m_penum == NULL )
{
hr = THR( E_OUTOFMEMORY );
goto Cleanup;
}
hr = THR( m_penum->HrInit() );
if ( FAILED( hr ) )
{
goto Cleanup;
}
// IClusCfgCallback
Cleanup:
HRETURN( hr );
} //*** CCPIClusCfgCallback::HrInit
//////////////////////////////////////////////////////////////////////////////
//++
//
// CCPIClusCfgCallback::~CCPIClusCfgCallback
//
// Description:
// Destructor.
//
// Arguments:
// None.
//
// Return Values:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
CCPIClusCfgCallback::~CCPIClusCfgCallback( void )
{
TraceFunc( "" );
if ( m_penum != NULL )
{
m_penum->Release();
}
InterlockedDecrement( &g_cObjects );
TraceFuncExit();
} //*** CCPIClusCfgCallback::~CCPIClusCfgCallback
//****************************************************************************
//
// IUnknown
//
//****************************************************************************
//////////////////////////////////////////////////////////////////////////////
//++
//
// CCPIClusCfgCallback::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.
//
//--
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CCPIClusCfgCallback::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< IConnectionPoint * >( this );
} // if: IUnknown
else if ( IsEqualIID( riidIn, IID_IConnectionPoint ) )
{
*ppvOut = TraceInterface( __THISCLASS__, IConnectionPoint, this, 0 );
} // else if: IConnectionPoint
else if ( IsEqualIID( riidIn, IID_IClusCfgCallback ) )
{
*ppvOut = TraceInterface( __THISCLASS__, IClusCfgCallback, this, 0 );
} // else if: IClusCfgCallback
else
{
*ppvOut = NULL;
hr = E_NOINTERFACE;
} // else
//
// Add a reference to the interface if successful.
//
if ( SUCCEEDED( hr ) )
{
((IUnknown*) *ppvOut)->AddRef();
} // if: success
Cleanup:
QIRETURN_IGNORESTDMARSHALLING( hr, riidIn );
} //*** CCPIClusCfgCallback::QueryInterface
//////////////////////////////////////////////////////////////////////////////
//++
//
// CCPIClusCfgCallback::AddRef
//
// Description:
//
// Arguments:
// None.
//
// Return Values:
//
//--
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP_( ULONG )
CCPIClusCfgCallback::AddRef( void )
{
TraceFunc( "[IUnknown]" );
InterlockedIncrement( &m_cRef );
CRETURN( m_cRef );
} //*** CCPIClusCfgCallback::AddRef
//////////////////////////////////////////////////////////////////////////////
//++
//
// CCPIClusCfgCallback::Release
//
// Description:
//
// Arguments:
// None.
//
// Return Values:
//
//--
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP_( ULONG )
CCPIClusCfgCallback::Release( void )
{
TraceFunc( "[IUnknown]" );
LONG cRef;
cRef = InterlockedDecrement( &m_cRef );
if ( cRef == 0 )
{
TraceDo( delete this );
}
CRETURN( cRef );
} //*** CCPIClusCfgCallback::Release
//****************************************************************************
//
// IConnectionPoint
//
//****************************************************************************
//////////////////////////////////////////////////////////////////////////////
//++
//
// [IConnectionPoint]
// CCPIClusCfgCallback::GetConnectionInterface
//
// Description:
// Get the interface ID for the connection point.
//
// Arguments:
// pIIDOut - Interface ID that is returned.
//
// Return Values:
// S_OK - Success.
// E_POINTER - A required output argument was not specified.
//
//--
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CCPIClusCfgCallback::GetConnectionInterface(
IID * pIIDOut
)
{
TraceFunc( "[IConnectionPoint] pIIDOut" );
HRESULT hr = S_OK;
if ( pIIDOut == NULL )
{
hr = THR( E_POINTER );
goto Cleanup;
}
*pIIDOut = IID_IClusCfgCallback;
Cleanup:
HRETURN( hr );
} //*** CCPIClusCfgCallback::GetConnectionInterface
//////////////////////////////////////////////////////////////////////////////
//++
//
// [IConnectionPoint]
// CCPIClusCfgCallback::GetConnectionPointContainer
//
// Description:
// Get the connection point container.
//
// Arguments:
// ppcpcOut - Connection point container interface that is returned.
//
// Return Values:
// S_OK - Success.
// Other HRESULTs.
//
//--
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CCPIClusCfgCallback::GetConnectionPointContainer(
IConnectionPointContainer * * ppcpcOut
)
{
TraceFunc( "[IConnectionPoint] ppcpcOut" );
HRESULT hr;
IServiceProvider * psp = NULL;
hr = THR( CoCreateInstance( CLSID_ServiceManager,
NULL,
CLSCTX_INPROC_SERVER,
TypeSafeParams( IServiceProvider, &psp )
) );
if ( FAILED( hr ) )
{
goto Cleanup;
}
hr = THR( psp->TypeSafeQS( CLSID_NotificationManager,
IConnectionPointContainer,
ppcpcOut
) );
if ( FAILED( hr ) )
{
goto Cleanup;
}
Cleanup:
if ( psp != NULL )
{
psp->Release();
}
HRETURN( hr );
} //*** CCPIClusCfgCallback::GetConnectionPointContainer
//////////////////////////////////////////////////////////////////////////////
//++
//
// [IConnectionPoint]
// CCPIClusCfgCallback::Advise
//
// Description:
// Register to receive notifications.
//
// Arguments:
// pUnkSinkIn
// Interface to use for notifications. Must support IClusCfgCallback.
//
// pdwCookieOut
// Cookie representing advise request. Used in call to Unadvise.
//
// Return Values:
// S_OK
// Success.
//
// E_POINTER
// A required output argument was not specified.
//
// E_INVALIDARG
// A required input argument was not specified.
//
// Other HRESULTs.
//
//--
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CCPIClusCfgCallback::Advise(
IUnknown * pUnkSinkIn
, DWORD * pdwCookieOut
)
{
TraceFunc( "[IConnectionPoint]" );
HRESULT hr;
if ( pdwCookieOut == NULL )
{
hr = THR( E_POINTER );
goto Cleanup;
}
if ( pUnkSinkIn == NULL )
{
hr = THR( E_INVALIDARG );
goto Cleanup;
}
Assert( m_penum != NULL );
hr = THR( m_penum->HrAddConnection( pUnkSinkIn, pdwCookieOut ) );
if ( FAILED( hr ) )
goto Cleanup;
Cleanup:
HRETURN( hr );
} //*** CCPIClusCfgCallback::Advise
//////////////////////////////////////////////////////////////////////////////
//++
//
// [IConnectionPoint]
// CCPIClusCfgCallback::Unadvise
//
// Description:
// Unregister for notifications.
//
// Arguments:
// dwCookieIn - Cookie returned from Advise.
//
// Return Values:
// S_OK - Success.
// Other HRESULTs.
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CCPIClusCfgCallback::Unadvise(
DWORD dwCookieIn
)
{
TraceFunc1( "[IConncetionPoint] dwCookieIn = %#x", dwCookieIn );
HRESULT hr;
Assert( m_penum != NULL );
hr = THR( m_penum->HrRemoveConnection( dwCookieIn ) );
HRETURN( hr );
} //*** CCPIClusCfgCallback::Unadvise
//////////////////////////////////////////////////////////////////////////////
//++
//
// [IConnectionPoint]
// CCPIClusCfgCallback::EnumConnections
//
// Description:
// Enumerate connections in the container.
//
// Arguments:
// ppEnumOut
// Interface to enumerator being returned. Caller must call Release()
// on this interface when done with it.
//
// Return Values:
// S_OK - Success.
// E_POINTER - A required output argument was not specified.
//
//--
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CCPIClusCfgCallback::EnumConnections(
IEnumConnections * * ppEnumOut
)
{
TraceFunc( "[IConnectionPoint] ppEnumOut" );
HRESULT hr;
if ( ppEnumOut == NULL )
{
hr = THR( E_POINTER );
goto Cleanup;
}
hr = THR( m_penum->Clone( ppEnumOut ) );
Cleanup:
HRETURN( hr );
} //*** CCPIClusCfgCallback::EnumConnections
//****************************************************************************
//
// IClusCfgCallback
//
//****************************************************************************
//////////////////////////////////////////////////////////////////////////////
//++
//
// [IClusCfgCallback]
// CCPIClusCfgCallback::SendStatusReport
//
// Description:
// Send a status report.
//
// Arguments:
// pcszNodeNameIn
// clsidTaskMajorIn
// clsidTaskMinorIn
// ulMinIn
// ulMaxIn
// ulCurrentIn
// hrStatusIn
// pcszDescriptionIn
// pftTimeIn
// pcszReferenceIn
//
// Return Values:
// S_OK - Success.
// Other HRESULTs from connection points.
//
//--
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CCPIClusCfgCallback::SendStatusReport(
LPCWSTR pcszNodeNameIn
, CLSID clsidTaskMajorIn
, CLSID clsidTaskMinorIn
, ULONG ulMinIn
, ULONG ulMaxIn
, ULONG ulCurrentIn
, HRESULT hrStatusIn
, LPCWSTR pcszDescriptionIn
, FILETIME * pftTimeIn
, LPCWSTR pcszReferenceIn
)
{
TraceFunc( "[IClusCfgCallback]" );
CONNECTDATA cd = { NULL };
HRESULT hr;
HRESULT hrResult = S_OK;
IClusCfgCallback * pcccb;
FILETIME ft;
BSTR bstrReferenceString = NULL;
LPCWSTR pcszReference = NULL;
IEnumConnections * pec = NULL;
//
// If no reference string was specified, see if there is one available
// for the specified HRESULT.
//
if ( ( pcszReferenceIn == NULL )
&& ( hrStatusIn != S_OK )
&& ( hrStatusIn != S_FALSE )
)
{
hr = STHR( HrGetReferenceStringFromHResult( hrStatusIn, &bstrReferenceString ) );
if ( hr == S_OK )
{
pcszReference = bstrReferenceString;
}
} // if: no reference string was specified
else
{
pcszReference = pcszReferenceIn;
}
//
// Clone the enumerator in case we are re-entered on the same thread.
//
hr = THR( m_penum->Clone( &pec ) );
if ( FAILED( hr ) )
{
goto Cleanup;
}
//
// Reset the enumerator to the first element.
//
hr = THR( pec->Reset() );
if ( FAILED( hr ) )
{
goto Cleanup;
}
//
// Loop through each connection point in the container and send it
// the notification.
//
for ( ;; )
{
if ( cd.pUnk != NULL )
{
cd.pUnk->Release();
cd.pUnk = NULL;
}
hr = STHR( pec->Next( 1, &cd, NULL ) );
if ( FAILED( hr ) )
break;
if ( hr == S_FALSE )
{
hr = S_OK;
break; // exit condition
}
hr = THR( cd.pUnk->TypeSafeQI( IClusCfgCallback, &pcccb ) );
if ( FAILED( hr ) )
{
continue; // igore the error and continue
}
if ( pftTimeIn == NULL )
{
GetSystemTimeAsFileTime( &ft );
pftTimeIn = &ft;
} // if:
hr = THR( pcccb->SendStatusReport(
pcszNodeNameIn
, clsidTaskMajorIn
, clsidTaskMinorIn
, ulMinIn
, ulMaxIn
, ulCurrentIn
, hrStatusIn
, pcszDescriptionIn
, pftTimeIn
, pcszReference
) );
if ( hr != S_OK )
{
hrResult = hr;
}
pcccb->Release();
} // for: ever (each connection point)
Cleanup:
if ( cd.pUnk != NULL )
{
cd.pUnk->Release();
} // if:
if ( pec != NULL )
{
pec->Release();
} // if:
TraceSysFreeString( bstrReferenceString );
HRETURN( hrResult );
} //*** CCPIClusCfgCallback::SendStatusReport