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402 lines
8.6 KiB
402 lines
8.6 KiB
//////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2000-2001 Microsoft Corporation
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//
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// Module Name:
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// ConnectionInfo.cpp
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//
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// Description:
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// CConnectionInfo implementation.
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//
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// Maintained By:
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// David Potter (DavidP) 14-JUN-2001
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// Geoffrey Pease (GPease) 02-FEB-2000
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//
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//////////////////////////////////////////////////////////////////////////////
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#include "pch.h"
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#include "ConnectionInfo.h"
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DEFINE_THISCLASS("CConnectionInfo")
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// ************************************************************************
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//
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// Constructor / Destructor
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//
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// ************************************************************************
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//////////////////////////////////////////////////////////////////////////////
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//
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// HRESULT
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// CConnectionInfo::S_HrCreateInstance(
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// OBJECTCOOKIE cookieParentIn
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// )
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//
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//////////////////////////////////////////////////////////////////////////////
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HRESULT
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CConnectionInfo::S_HrCreateInstance(
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IUnknown ** ppunkOut,
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OBJECTCOOKIE cookieParentIn
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)
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{
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TraceFunc1( "ppunkOut, cookieParentIn = %u", cookieParentIn );
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HRESULT hr = S_OK;
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CConnectionInfo * pci = NULL;
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Assert( ppunkOut != NULL );
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if ( ppunkOut == NULL )
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{
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hr = THR( E_POINTER );
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goto Cleanup;
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}
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pci = new CConnectionInfo;
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if ( pci == NULL )
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{
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hr = THR( E_OUTOFMEMORY );
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goto Cleanup;
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}
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hr = THR( pci->HrInit( cookieParentIn ) );
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if ( FAILED( hr ) )
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{
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goto Cleanup;
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}
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hr = THR( pci->TypeSafeQI( IUnknown, ppunkOut ) );
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if ( FAILED( hr ) )
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{
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goto Cleanup;
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}
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Cleanup:
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if ( pci != NULL )
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{
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pci->Release();
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}
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HRETURN( hr );
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} //*** CConnectionInfo::S_HrCreateInstance
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//////////////////////////////////////////////////////////////////////////////
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//
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// CConnectionInfo::CConnectionInfo
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//
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//////////////////////////////////////////////////////////////////////////////
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CConnectionInfo::CConnectionInfo( void )
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: m_cRef( 1 )
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{
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TraceFunc( "" );
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InterlockedIncrement( &g_cObjects );
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TraceFuncExit();
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} //*** CConnectionInfo::CConnectionInfo
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP
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// CConnectionInfo::HrInit(
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// OBJECTCOOKIE cookieParentIn
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// )
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CConnectionInfo::HrInit(
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OBJECTCOOKIE cookieParentIn
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)
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{
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TraceFunc( "" );
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HRESULT hr = S_OK;
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// IUnknown stuff
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Assert( m_cRef == 1 );
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// IConnectionInfo
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Assert( m_pcc == NULL );
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m_cookieParent = cookieParentIn;
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HRETURN( hr );
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} //*** CConnectionInfo::HrInit
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//////////////////////////////////////////////////////////////////////////////
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//
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// CConnectionInfo::~CConnectionInfo
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//
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//////////////////////////////////////////////////////////////////////////////
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CConnectionInfo::~CConnectionInfo( void )
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{
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TraceFunc( "" );
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if ( m_pcc != NULL )
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{
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m_pcc->Release();
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} // if:
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InterlockedDecrement( &g_cObjects );
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TraceFuncExit();
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} //*** CConnectionInfo::~CConnectionInfo
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// ************************************************************************
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//
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// IUnknown
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//
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// ************************************************************************
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CConnectionInfo::QueryInterface
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//
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// Description:
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// Query this object for the passed in interface.
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//
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// Arguments:
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// riidIn
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// Id of interface requested.
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//
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// ppvOut
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// Pointer to the requested interface.
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//
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// Return Value:
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// S_OK
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// If the interface is available on this object.
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//
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// E_NOINTERFACE
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// If the interface is not available.
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//
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// E_POINTER
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// ppvOut was NULL.
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//
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// Remarks:
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// None.
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//
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//--
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CConnectionInfo::QueryInterface(
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REFIID riidin
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, LPVOID * ppvOut
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)
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{
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TraceQIFunc( riidin, ppvOut );
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HRESULT hr = S_OK;
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//
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// Validate arguments.
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//
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Assert( ppvOut != NULL );
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if ( ppvOut == NULL )
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{
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hr = THR( E_POINTER );
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goto Cleanup;
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}
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//
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// Handle known interfaces.
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//
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if ( IsEqualIID( riidin, IID_IUnknown ) )
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{
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*ppvOut = static_cast< IConnectionInfo * >( this );
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} // if: IUnknown
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else if ( IsEqualIID( riidin, IID_IConnectionInfo ) )
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{
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*ppvOut = TraceInterface( __THISCLASS__, IConnectionInfo, this, 0 );
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} // else if: IConnectionInfo
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else
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{
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*ppvOut = NULL;
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hr = E_NOINTERFACE;
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} // else
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//
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// Add a reference to the interface if successful.
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//
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if ( SUCCEEDED( hr ) )
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{
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((IUnknown *) *ppvOut)->AddRef();
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} // if: success
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Cleanup:
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QIRETURN_IGNORESTDMARSHALLING( hr, riidin );
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} //*** CConnectionInfo::QueryInterface
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP_(ULONG)
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// CConnectionInfo::AddRef
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP_( ULONG )
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CConnectionInfo::AddRef( void )
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{
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TraceFunc( "[IUnknown]" );
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InterlockedIncrement( &m_cRef );
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CRETURN( m_cRef );
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} //*** CConnectionInfo::AddRef
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP_(ULONG)
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// CConnectionInfo::Release
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP_( ULONG )
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CConnectionInfo::Release( void )
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{
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TraceFunc( "[IUnknown]" );
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LONG cRef;
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cRef = InterlockedDecrement( &m_cRef );
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if ( cRef == 0 )
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{
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TraceDo( delete this );
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}
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CRETURN( cRef );
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} //*** CConnectionInfo::Release
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//****************************************************************************
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//
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// IConnectionInfo
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//
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//****************************************************************************
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP
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// CConnectionInfo::GetConnection(
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// IConfigurationConnection ** pccOut
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// )
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CConnectionInfo::GetConnection(
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IConfigurationConnection ** pccOut
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)
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{
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TraceFunc( "[IConnectionInfo]" );
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Assert( pccOut != NULL );
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HRESULT hr = S_OK;
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if ( pccOut == NULL )
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{
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hr = THR( E_POINTER );
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goto Cleanup;
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} // if:
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if ( m_pcc == NULL )
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{
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*pccOut = NULL;
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hr = S_FALSE;
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}
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else
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{
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*pccOut = m_pcc;
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(*pccOut)->AddRef();
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}
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Cleanup:
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HRETURN( hr );
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} //*** CConnectionInfo::GetConnection
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP
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// CConnectionInfo::SetConnection(
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// IConfigurationConnection * pccIn
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// )
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CConnectionInfo::SetConnection(
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IConfigurationConnection * pccIn
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)
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{
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TraceFunc( "[IConnectionInfo]" );
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HRESULT hr = S_OK;
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if ( m_pcc != NULL )
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{
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m_pcc->Release();
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m_pcc = NULL;
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}
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m_pcc = pccIn;
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if ( m_pcc != NULL )
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{
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m_pcc->AddRef();
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}
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HRETURN( hr );
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} //*** CConnectionInfo::SetConnection
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP
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// CConnectionInfo::GetParent(
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// OBJECTCOOKIE * pcookieOut
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// )
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CConnectionInfo::GetParent(
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OBJECTCOOKIE * pcookieOut
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)
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{
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TraceFunc( "[IConnectionInfo]" );
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HRESULT hr = S_OK;
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if ( pcookieOut == NULL )
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goto InvalidPointer;
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Assert( m_cookieParent != NULL );
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*pcookieOut = m_cookieParent;
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if ( m_cookieParent == NULL )
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{
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hr = S_FALSE;
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}
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Cleanup:
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HRETURN( hr );
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InvalidPointer:
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hr = THR( E_INVALIDARG );
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goto Cleanup;
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} //*** CConnectionInfo::GetParent
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