596 lines
16 KiB
C++
596 lines
16 KiB
C++
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//////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 1999-2001 Microsoft Corporation
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//
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// Module Name:
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// ServiceMgr.cpp
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//
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// Description:
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// Service Manager implementation.
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//
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// Documentation:
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// Yes.
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//
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// Maintained By:
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// Galen Barbee (GalenB) 22-NOV-1999
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//
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//////////////////////////////////////////////////////////////////////////////
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#include "pch.h"
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// #include "ServiceMgr.h" - already included in DLL.H
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DEFINE_THISCLASS("CServiceManager")
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#define CServiceManager CServiceManager
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#define LPTHISCLASS CServiceManager *
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//****************************************************************************
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//
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// Protected Global
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//
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//****************************************************************************
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IServiceProvider * g_pspServiceManager = NULL;
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//****************************************************************************
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//
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// Class Static Variables
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//
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//****************************************************************************
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CRITICAL_SECTION * CServiceManager::sm_pcs = NULL;
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BOOL CServiceManager::sm_fShutDown = FALSE;
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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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// CServiceManager::S_HrCreateInstance(
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// IUnknown ** ppunkOut
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// )
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//
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//////////////////////////////////////////////////////////////////////////////
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HRESULT
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CServiceManager::S_HrCreateInstance(
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IUnknown ** ppunkOut
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)
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{
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TraceFunc( "" );
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Assert( ppunkOut != NULL );
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HRESULT hr;
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LPUNKNOWN punk = NULL;
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//
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// Create a critical section to prevent lines from being fragmented.
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//
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if ( CServiceManager::sm_pcs == NULL )
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{
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PCRITICAL_SECTION pNewCritSect =
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(PCRITICAL_SECTION) HeapAlloc( GetProcessHeap(), 0, sizeof( CRITICAL_SECTION ) );
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if ( pNewCritSect == NULL )
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{
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hr = E_OUTOFMEMORY;
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goto Cleanup;
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} // if: creation failed
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InitializeCriticalSection( pNewCritSect );
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// Make sure we only have one log critical section
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InterlockedCompareExchangePointer( (PVOID *) &CServiceManager::sm_pcs, pNewCritSect, 0 );
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if ( CServiceManager::sm_pcs != pNewCritSect )
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{
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DeleteCriticalSection( pNewCritSect );
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HeapFree( GetProcessHeap(), 0, pNewCritSect );
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} // if: already have another critical section
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} // if: no critical section created yet
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Assert( CServiceManager::sm_pcs != NULL );
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EnterCriticalSection( CServiceManager::sm_pcs );
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if ( g_pspServiceManager != NULL )
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{
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hr = THR( g_pspServiceManager->TypeSafeQI( IUnknown, ppunkOut ) );
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} // if: assign new service manager
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else
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{
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LPTHISCLASS pthis = new CServiceManager( );
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if ( pthis != NULL )
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{
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//
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// Can't hold CS in Init.
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//
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LeaveCriticalSection( CServiceManager::sm_pcs );
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hr = THR( pthis->Init( ) );
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if ( SUCCEEDED( hr ) )
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{
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EnterCriticalSection( CServiceManager::sm_pcs );
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if ( g_pspServiceManager == NULL )
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{
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// No REF - or we'll never die!
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g_pspServiceManager = static_cast< IServiceProvider * >( pthis );
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TraceMoveToMemoryList( g_pspServiceManager, g_GlobalMemoryList );
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}
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if ( SUCCEEDED( hr ) )
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{
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hr = THR( g_pspServiceManager->TypeSafeQI( IUnknown, ppunkOut ) );
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}
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} // if: its our pointer
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} // if: got object
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pthis->Release( );
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} // else: create new one
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LeaveCriticalSection( CServiceManager::sm_pcs );
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Cleanup:
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HRETURN( hr );
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} //*** CServiceManager::S_HrCreateInstance( )
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//////////////////////////////////////////////////////////////////////////////
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//
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// CServiceManager::CServiceManager( void )
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//
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//////////////////////////////////////////////////////////////////////////////
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CServiceManager::CServiceManager( void )
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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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} //*** CServiceManager::CServiceManager( )
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP
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// CServiceManager::Init( void )
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CServiceManager::Init( void )
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{
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TraceFunc( "" );
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HRESULT hr;
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ITaskManager * ptm = NULL;
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IDoTask * pdt = NULL;
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IObjectManager * pom = NULL;
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INotificationManager * pnm = NULL;
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IConnectionManager * pcm = NULL;
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ILogManager * plm = NULL;
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// IUnknown stuff
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Assert( m_cRef == 0 );
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AddRef( );
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// IServiceProvider
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Assert( m_dwLogManagerCookie == 0 );
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Assert( m_dwConnectionManagerCookie == 0 );
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Assert( m_dwNotificationManagerCookie == 0 );
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Assert( m_dwObjectManagerCookie == 0 );
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Assert( m_dwTaskManagerCookie == 0 );
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Assert( m_pgit == NULL );
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// IServiceProvider stuff
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hr = THR( HrCoCreateInternalInstance( CLSID_ObjectManager, NULL, CLSCTX_INPROC_SERVER, TypeSafeParams( IObjectManager, &pom ) ) );
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if ( FAILED( hr ) )
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goto Cleanup;
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hr = THR( HrCoCreateInternalInstance( CLSID_TaskManager, NULL, CLSCTX_INPROC_SERVER, TypeSafeParams( ITaskManager, &ptm ) ) );
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if ( FAILED( hr ) )
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goto Cleanup;
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hr = THR( HrCoCreateInternalInstance( CLSID_NotificationManager, NULL, CLSCTX_INPROC_SERVER, TypeSafeParams( INotificationManager, &pnm ) ) );
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if ( FAILED( hr ) )
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goto Cleanup;
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hr = THR( HrCoCreateInternalInstance( CLSID_ClusterConnectionManager, NULL, CLSCTX_INPROC_SERVER, TypeSafeParams( IConnectionManager, &pcm ) ) );
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if ( FAILED( hr ) )
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goto Cleanup;
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hr = THR( HrCoCreateInternalInstance( CLSID_LogManager, NULL, CLSCTX_INPROC_SERVER, TypeSafeParams( ILogManager, &plm ) ) );
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if ( FAILED( hr ) )
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goto Cleanup;
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//
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// Store the interfaces in the GIT.
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//
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hr = THR( CoCreateInstance(
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CLSID_StdGlobalInterfaceTable
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, NULL
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, CLSCTX_INPROC_SERVER
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, IID_IGlobalInterfaceTable
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, reinterpret_cast< void ** >( &m_pgit )
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) );
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if ( FAILED( hr ) )
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goto Cleanup;
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hr = THR( m_pgit->RegisterInterfaceInGlobal( pom, IID_IObjectManager, &m_dwObjectManagerCookie ) );
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if ( FAILED( hr ) )
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goto Cleanup;
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hr = THR( m_pgit->RegisterInterfaceInGlobal( ptm, IID_ITaskManager, &m_dwTaskManagerCookie ) );
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if ( FAILED( hr ) )
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goto Cleanup;
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hr = THR( m_pgit->RegisterInterfaceInGlobal( pnm, IID_INotificationManager, &m_dwNotificationManagerCookie ) );
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if ( FAILED( hr ) )
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goto Cleanup;
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hr = THR( m_pgit->RegisterInterfaceInGlobal( pcm, IID_IConnectionManager, &m_dwConnectionManagerCookie ) );
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if ( FAILED( hr ) )
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goto Cleanup;
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hr = THR( m_pgit->RegisterInterfaceInGlobal( plm, IID_ILogManager, &m_dwLogManagerCookie ) );
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if ( FAILED( hr ) )
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goto Cleanup;
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Cleanup:
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if ( pom != NULL )
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{
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pom->Release( );
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}
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if ( pnm != NULL )
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{
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pnm->Release( );
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}
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if ( pcm != NULL )
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{
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pcm->Release( );
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}
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if ( plm != NULL )
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{
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plm->Release( );
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}
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if ( ptm != NULL )
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{
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ptm->Release( );
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}
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if ( pdt != NULL )
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{
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pdt->Release( );
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}
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HRETURN( hr );
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} //*** CServiceManager::Init( )
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//////////////////////////////////////////////////////////////////////////////
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//
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// CServiceManager::~CServiceManager( void )
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//
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//////////////////////////////////////////////////////////////////////////////
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CServiceManager::~CServiceManager( void )
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{
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TraceFunc( "" );
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//HRESULT hr;
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//ITaskManager * ptm = NULL;
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//IDoTask * pdt = NULL;
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//IObjectManager * pom = NULL;
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//INotificationManager * pnm = NULL;
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//IConnectionManager * pcm = NULL;
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//ILogManager * plm = NULL;
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//
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// Indicate that we are shutting down.
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//
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sm_fShutDown = TRUE;
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EnterCriticalSection( CServiceManager::sm_pcs );
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if ( g_pspServiceManager == static_cast< IServiceProvider * >( this ) )
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{
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TraceMoveFromMemoryList( g_pspServiceManager, g_GlobalMemoryList );
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g_pspServiceManager = NULL;
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} // if: its our pointer
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if ( m_pgit != NULL )
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{
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if ( m_dwLogManagerCookie != 0 )
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{
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THR( m_pgit->RevokeInterfaceFromGlobal( m_dwLogManagerCookie ) );
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}
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if ( m_dwConnectionManagerCookie != 0 )
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{
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THR( m_pgit->RevokeInterfaceFromGlobal( m_dwConnectionManagerCookie ) );
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}
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if ( m_dwNotificationManagerCookie != 0 )
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{
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THR( m_pgit->RevokeInterfaceFromGlobal( m_dwNotificationManagerCookie ) );
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}
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if ( m_dwObjectManagerCookie != 0 )
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{
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THR( m_pgit->RevokeInterfaceFromGlobal( m_dwObjectManagerCookie ) );
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}
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if ( m_dwTaskManagerCookie != 0 )
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{
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THR( m_pgit->RevokeInterfaceFromGlobal( m_dwTaskManagerCookie ) );
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}
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m_pgit->Release( );
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}
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LeaveCriticalSection( CServiceManager::sm_pcs );
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//
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// TODO: gpease 01-AUG-2000
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// Figure out a way to free the CS.
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//
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InterlockedDecrement( &g_cObjects );
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TraceFuncExit();
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} //*** CServiceManager::~CServiceManager( )
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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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// STDMETHODIMP
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// CServiceManager::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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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CServiceManager::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 = E_NOINTERFACE;
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if ( IsEqualIID( riidIn, IID_IUnknown ) )
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{
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*ppvOut = static_cast< LPUNKNOWN >( this );
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hr = S_OK;
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} // if: IUnknown
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else if ( IsEqualIID( riidIn, IID_IServiceProvider ) )
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{
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*ppvOut = TraceInterface( __THISCLASS__, IServiceProvider, this, 0 );
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hr = S_OK;
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} // else if: IQueryService
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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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QIRETURN_IGNORESTDMARSHALLING( hr, riidIn );
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} //*** CServiceManager::QueryInterface( )
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP_( ULONG )
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// CServiceManager::AddRef( void )
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP_( ULONG )
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CServiceManager::AddRef( void )
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{
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TraceFunc( "[IUnknown]" );
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InterlockedIncrement( &m_cRef );
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RETURN( m_cRef );
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|
|
} //*** CServiceManager::AddRef( )
|
||
|
|
|
||
|
|
//////////////////////////////////////////////////////////////////////////////
|
||
|
|
//++
|
||
|
|
//
|
||
|
|
// STDMETHODIMP_( ULONG )
|
||
|
|
// CServiceManager::Release( void )
|
||
|
|
//
|
||
|
|
//--
|
||
|
|
//////////////////////////////////////////////////////////////////////////////
|
||
|
|
STDMETHODIMP_( ULONG )
|
||
|
|
CServiceManager::Release( void )
|
||
|
|
{
|
||
|
|
TraceFunc( "[IUnknown]" );
|
||
|
|
|
||
|
|
LONG cRef;
|
||
|
|
|
||
|
|
InterlockedDecrement( &m_cRef );
|
||
|
|
cRef = m_cRef;
|
||
|
|
|
||
|
|
if ( cRef == 0 )
|
||
|
|
{
|
||
|
|
TraceDo( delete this );
|
||
|
|
}
|
||
|
|
|
||
|
|
RETURN( cRef );
|
||
|
|
|
||
|
|
} //*** CServiceManager::Release( )
|
||
|
|
|
||
|
|
|
||
|
|
//****************************************************************************
|
||
|
|
//
|
||
|
|
// IServiceProvider
|
||
|
|
//
|
||
|
|
//****************************************************************************
|
||
|
|
|
||
|
|
|
||
|
|
//////////////////////////////////////////////////////////////////////////////
|
||
|
|
//++
|
||
|
|
//
|
||
|
|
// STDMETHODIMP
|
||
|
|
// CServiceManager::QueryService(
|
||
|
|
// REFCLSID rclsidIn,
|
||
|
|
// REFIID riidInIn,
|
||
|
|
// void ** ppvOutOut
|
||
|
|
// )
|
||
|
|
//
|
||
|
|
//--
|
||
|
|
//////////////////////////////////////////////////////////////////////////////
|
||
|
|
STDMETHODIMP
|
||
|
|
CServiceManager::QueryService(
|
||
|
|
REFCLSID rclsidIn,
|
||
|
|
REFIID riidInIn,
|
||
|
|
void ** ppvOutOut
|
||
|
|
)
|
||
|
|
{
|
||
|
|
TraceFunc( "[IServiceProvider]" );
|
||
|
|
|
||
|
|
HRESULT hr = CLASS_E_CLASSNOTAVAILABLE;
|
||
|
|
|
||
|
|
if ( m_pgit != NULL )
|
||
|
|
{
|
||
|
|
if ( IsEqualIID( rclsidIn, CLSID_ObjectManager ) )
|
||
|
|
{
|
||
|
|
IObjectManager * pom;
|
||
|
|
|
||
|
|
hr = THR( m_pgit->GetInterfaceFromGlobal( m_dwObjectManagerCookie, TypeSafeParams( IObjectManager, &pom ) ) );
|
||
|
|
if ( FAILED( hr ) )
|
||
|
|
goto Cleanup;
|
||
|
|
|
||
|
|
hr = THR( pom->QueryInterface( riidInIn, ppvOutOut ) );
|
||
|
|
pom->Release( );
|
||
|
|
// fall thru
|
||
|
|
}
|
||
|
|
else if ( IsEqualIID( rclsidIn, CLSID_TaskManager ) )
|
||
|
|
{
|
||
|
|
ITaskManager * ptm;
|
||
|
|
|
||
|
|
hr = THR( m_pgit->GetInterfaceFromGlobal( m_dwTaskManagerCookie, TypeSafeParams( ITaskManager, &ptm ) ) );
|
||
|
|
if ( FAILED( hr ) )
|
||
|
|
goto Cleanup;
|
||
|
|
|
||
|
|
hr = THR( ptm->QueryInterface( riidInIn, ppvOutOut ) );
|
||
|
|
ptm->Release( );
|
||
|
|
// fall thru
|
||
|
|
}
|
||
|
|
else if ( IsEqualIID( rclsidIn, CLSID_NotificationManager ) )
|
||
|
|
{
|
||
|
|
INotificationManager * pnm;
|
||
|
|
|
||
|
|
hr = THR( m_pgit->GetInterfaceFromGlobal( m_dwNotificationManagerCookie, TypeSafeParams( INotificationManager, &pnm ) ) );
|
||
|
|
if ( FAILED( hr ) )
|
||
|
|
goto Cleanup;
|
||
|
|
|
||
|
|
hr = THR( pnm->QueryInterface( riidInIn, ppvOutOut ) );
|
||
|
|
pnm->Release( );
|
||
|
|
// fall thru
|
||
|
|
}
|
||
|
|
else if ( IsEqualIID( rclsidIn, CLSID_ClusterConnectionManager ) )
|
||
|
|
{
|
||
|
|
IConnectionManager * pcm;
|
||
|
|
|
||
|
|
hr = THR( m_pgit->GetInterfaceFromGlobal( m_dwConnectionManagerCookie, TypeSafeParams( IConnectionManager, &pcm ) ) );
|
||
|
|
if ( FAILED( hr ) )
|
||
|
|
goto Cleanup;
|
||
|
|
|
||
|
|
hr = THR( pcm->QueryInterface( riidInIn, ppvOutOut ) );
|
||
|
|
pcm->Release( );
|
||
|
|
// fall thru
|
||
|
|
}
|
||
|
|
else if ( IsEqualIID( rclsidIn, CLSID_LogManager ) )
|
||
|
|
{
|
||
|
|
ILogManager * plm;
|
||
|
|
|
||
|
|
hr = THR( m_pgit->GetInterfaceFromGlobal( m_dwLogManagerCookie, TypeSafeParams( ILogManager, &plm ) ) );
|
||
|
|
if ( FAILED( hr ) )
|
||
|
|
goto Cleanup;
|
||
|
|
|
||
|
|
hr = THR( plm->QueryInterface( riidInIn, ppvOutOut ) );
|
||
|
|
plm->Release( );
|
||
|
|
// fall thru
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
Cleanup:
|
||
|
|
HRETURN( hr );
|
||
|
|
|
||
|
|
} //*** CServiceManager::QueryService( )
|
||
|
|
|
||
|
|
|
||
|
|
//****************************************************************************
|
||
|
|
//
|
||
|
|
// Private Methods
|
||
|
|
//
|
||
|
|
//****************************************************************************
|
||
|
|
|
||
|
|
|
||
|
|
//////////////////////////////////////////////////////////////////////////////
|
||
|
|
//++
|
||
|
|
//
|
||
|
|
// HRESULT
|
||
|
|
// CServiceManager::S_HrGetManagerPointer(
|
||
|
|
// IServiceProvider ** ppspOut
|
||
|
|
// )
|
||
|
|
//
|
||
|
|
//--
|
||
|
|
//////////////////////////////////////////////////////////////////////////////
|
||
|
|
HRESULT
|
||
|
|
CServiceManager::S_HrGetManagerPointer(
|
||
|
|
IServiceProvider ** ppspOut
|
||
|
|
)
|
||
|
|
{
|
||
|
|
TraceFunc( "ppspOut" );
|
||
|
|
|
||
|
|
HRESULT hr = HRESULT_FROM_WIN32( ERROR_PROCESS_ABORTED );
|
||
|
|
|
||
|
|
if ( CServiceManager::sm_fShutDown == FALSE )
|
||
|
|
{
|
||
|
|
EnterCriticalSection( CServiceManager::sm_pcs );
|
||
|
|
|
||
|
|
if ( g_pspServiceManager != NULL )
|
||
|
|
{
|
||
|
|
*ppspOut = TraceInterface( __THISCLASS__,
|
||
|
|
IServiceProvider,
|
||
|
|
g_pspServiceManager,
|
||
|
|
0
|
||
|
|
);
|
||
|
|
(*ppspOut)->AddRef( );
|
||
|
|
hr = S_OK;
|
||
|
|
} // if: valid service manager
|
||
|
|
else
|
||
|
|
{
|
||
|
|
hr = E_POINTER;
|
||
|
|
} // else: no pointer
|
||
|
|
|
||
|
|
LeaveCriticalSection( CServiceManager::sm_pcs );
|
||
|
|
|
||
|
|
} // if: still up
|
||
|
|
|
||
|
|
HRETURN ( hr );
|
||
|
|
|
||
|
|
} //*** CServiceManager::S_HrGetManagerPointer( )
|