1226 lines
39 KiB
C++
1226 lines
39 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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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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// EvictCleanup.cpp
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//
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// Description:
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// This file contains the implementation of the CEvictCleanup
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// class.
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//
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// Documentation:
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// TODO: fill in pointer to external documentation
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//
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// Header File:
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// EvictCleanup.h
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//
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// Maintained By:
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// Galen Barbee (GalenB) 15-JUN-2000
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//
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//////////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////////
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// Include Files
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//////////////////////////////////////////////////////////////////////////////
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// The precompiled header for this library
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#include "pch.h"
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// For the GetNodeClusterState() API
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#include <clusapi.h>
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// The header file for this class
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#include "EvictCleanup.h"
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// For IClusCfgNodeInfo and related interfaces
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#include <ClusCfgServer.h>
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// For IClusCfgServer and related interfaces
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#include <ClusCfgPrivate.h>
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// For CClCfgSrvLogger
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#include <Logger.h>
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// For SUCCESSFUL_CLEANUP_EVENT_NAME
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#include "EventName.h"
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//////////////////////////////////////////////////////////////////////////////
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// Macro Definitions
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//////////////////////////////////////////////////////////////////////////////
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DEFINE_THISCLASS( "CEvictCleanup" );
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CEvictCleanup::CEvictCleanup()
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//
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// Description:
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// Constructor of the CEvictCleanup class. This initializes
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// the m_cRef variable to 1 instead of 0 to account of possible
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// QueryInterface failure in DllGetClassObject.
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//
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// Arguments:
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// None.
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//
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// Return Value:
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// None.
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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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CEvictCleanup::CEvictCleanup( void )
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: m_cRef( 1 )
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{
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TraceFunc( "" );
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// Increment the count of components in memory so the DLL hosting this
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// object cannot be unloaded.
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InterlockedIncrement( &g_cObjects );
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TraceFlow1( "Component count = %d.", g_cObjects );
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TraceFuncExit();
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} //*** CEvictCleanup::CEvictCleanup
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CEvictCleanup::~CEvictCleanup()
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//
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// Description:
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// Destructor of the CEvictCleanup class.
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//
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// Arguments:
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// None.
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//
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// Return Value:
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// None.
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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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CEvictCleanup::~CEvictCleanup( void )
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{
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TraceFunc( "" );
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if ( m_plLogger != NULL )
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{
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m_plLogger->Release();
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}
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TraceSysFreeString( m_bstrNodeName );
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// There's going to be one less component in memory. Decrement component count.
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InterlockedDecrement( &g_cObjects );
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TraceFlow1( "Component count = %d.", g_cObjects );
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TraceFuncExit();
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} //*** CEvictCleanup::~CEvictCleanup
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// HRESULT
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// CEvictCleanup::S_HrCreateInstance(
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// IUnknown ** ppunkOut
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// )
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//
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// Description:
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// Creates a CEvictCleanup instance.
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//
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// Arguments:
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// ppunkOut
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// The IUnknown interface of the new object.
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//
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// Return Values:
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// S_OK
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// Success.
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//
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// E_OUTOFMEMORY
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// Not enough memory to create the object.
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//
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// other HRESULTs
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// Object initialization failed.
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//
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//--
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//////////////////////////////////////////////////////////////////////////////
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HRESULT
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CEvictCleanup::S_HrCreateInstance( IUnknown ** ppunkOut )
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{
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TraceFunc( "" );
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HRESULT hr = E_INVALIDARG;
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CEvictCleanup * pEvictCleanup = NULL;
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// Allocate memory for the new object.
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pEvictCleanup = new CEvictCleanup();
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if ( pEvictCleanup == NULL )
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{
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::LogMsg( "EvictCleanup: Could not allocate memory for a evict cleanup object." );
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TraceFlow( "Could not allocate memory for a evict cleanup object." );
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hr = THR( E_OUTOFMEMORY );
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goto Cleanup;
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} // if: out of memory
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// Initialize the new object.
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hr = THR( pEvictCleanup->HrInit( ) );
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if ( FAILED( hr ) )
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{
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::LogMsg( "EvictCleanup: Error %#08x occurred initializing a evict cleanup object.", hr );
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TraceFlow1( "Error %#08x occurred initializing a evict cleanup object.", hr );
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goto Cleanup;
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} // if: the object could not be initialized
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hr = THR( pEvictCleanup->QueryInterface( IID_IUnknown, reinterpret_cast< void ** >( ppunkOut ) ) );
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TraceFlow1( "*ppunkOut = %p.", *ppunkOut );
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Cleanup:
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if ( pEvictCleanup != NULL )
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{
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pEvictCleanup->Release();
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} // if: the pointer to the resource type object is not NULL
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HRETURN( hr );
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} //*** CEvictCleanup::S_HrCreateInstance()
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// STDMETHODIMP_( ULONG )
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// CEvictCleanup::AddRef()
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//
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// Description:
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// Increment the reference count of this object by one.
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//
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// Arguments:
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// None.
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//
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// Return Value:
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// The new reference count.
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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_( ULONG )
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CEvictCleanup::AddRef( void )
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{
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TraceFunc( "[IUnknown]" );
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InterlockedIncrement( &m_cRef );
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TraceFlow1( "m_cRef = %d", m_cRef );
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RETURN( m_cRef );
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} //*** CEvictCleanup::AddRef()
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// STDMETHODIMP_( ULONG )
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// CEvictCleanup::Release()
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//
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// Description:
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// Decrement the reference count of this object by one.
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//
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// Arguments:
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// None.
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//
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// Return Value:
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// The new reference count.
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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_( ULONG )
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CEvictCleanup::Release( void )
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{
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TraceFunc( "[IUnknown]" );
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LONG cRef;
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InterlockedDecrement( &m_cRef );
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cRef = m_cRef;
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TraceFlow1( "m_cRef = %d", m_cRef );
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if ( m_cRef == 0 )
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{
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TraceDo( delete this );
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} // if: reference count decremented to zero
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RETURN( cRef );
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} //*** CEvictCleanup::Release()
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// STDMETHODIMP
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// CEvictCleanup::QueryInterface()
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//
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// Description:
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// Decrement the reference count of this object by one.
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//
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// Arguments:
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// IN REFIID riidIn
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// Id of interface requested.
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//
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// OUT void ** 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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// 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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CEvictCleanup::QueryInterface( REFIID riidIn, void ** ppvOut )
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{
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TraceQIFunc( riidIn, ppvOut );
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HRESULT hr = S_OK;
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if ( ppvOut != NULL )
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{
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if ( IsEqualIID( riidIn, IID_IUnknown ) )
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{
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*ppvOut = static_cast< IClusCfgEvictCleanup * >( this );
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} // if: IUnknown
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else if ( IsEqualIID( riidIn, IID_IClusCfgEvictCleanup ) )
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{
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*ppvOut = TraceInterface( __THISCLASS__, IClusCfgEvictCleanup, this, 0 );
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} // else if: IClusCfgEvictCleanup
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else if ( IsEqualIID( riidIn, IID_IClusCfgCallback ) )
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{
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*ppvOut = TraceInterface( __THISCLASS__, IClusCfgCallback, this, 0 );
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} // else if: IClusCfgCallback
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else
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{
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hr = E_NOINTERFACE;
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} // else
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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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else
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{
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*ppvOut = NULL;
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} // else: something failed
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} // if: the output pointer was valid
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else
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{
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hr = E_INVALIDARG; // TODO: DavidP 02-OCT-2000 Shouldn't this be E_NOINTERFACE?
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} // else: the output pointer is invalid
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QIRETURN_IGNORESTDMARSHALLING( hr, riidIn );
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} //*** CEvictCleanup::QueryInterface()
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CEvictCleanup::HrInit()
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//
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// Description:
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// Second phase of a two phase constructor.
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//
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// Arguments:
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// None.
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//
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// Return Value:
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// S_OK
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// If the call succeeded
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//
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// Other HRESULTs
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// If the call failed.
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//
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//--
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//////////////////////////////////////////////////////////////////////////////
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HRESULT
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CEvictCleanup::HrInit( void )
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{
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TraceFunc( "" );
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HRESULT hr = S_OK;
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//
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// Save off the local computer name.
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//
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hr = THR( HrGetComputerName( ComputerNameDnsFullyQualified, &m_bstrNodeName ) );
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if ( FAILED( hr ) )
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goto Cleanup;
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//
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// Get a ClCfgSrv ILogger instance.
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//
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hr = CClCfgSrvLogger::S_HrGetLogger( &m_plLogger );
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if ( FAILED( hr ) )
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goto Cleanup;
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Cleanup:
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HRETURN( hr );
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} //*** CEvictCleanup::HrInit()
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CEvictCleanup::CleanupLocalNode()
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//
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// Description:
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// This method performs the clean up actions on the local node after
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// it has been evicted from a cluster, so that the node can go back
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// to its "pre-clustered" state.
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//
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// Arguments:
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// DWORD dwDelayIn
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// Number of milliseconds that this method will wait before starting
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// cleanup. If some other process cleans up this node while this thread
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// is waiting, the wait is terminated. If this value is zero, this method
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// will attempt to clean up this node immediately.
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//
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// Return Values:
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// S_OK
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// Success.
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//
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// Other HRESULTs
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// The call failed.
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//
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//--
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//////////////////////////////////////////////////////////////////////////////
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HRESULT
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CEvictCleanup::CleanupLocalNode( DWORD dwDelayIn )
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{
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TraceFunc( "[IClusCfgEvictCleanup]" );
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HRESULT hr = S_OK;
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IClusCfgServer * pccsClusCfgServer = NULL;
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IClusCfgNodeInfo * pccniNodeInfo = NULL;
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IClusCfgInitialize * pcciInitialize = NULL;
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IClusCfgClusterInfo * pccciClusterInfo = NULL;
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IUnknown * punkCallback = NULL;
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HANDLE heventCleanupComplete = NULL;
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DWORD dwClusterState;
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DWORD dwError;
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#if 0
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bool fWaitForDebugger = true;
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while ( fWaitForDebugger )
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{
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Sleep( 3000 );
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} // while: waiting for the debugger to break in
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#endif
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LogMsg( L"EvictCleanup: Trying to cleanup local node." );
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TraceFlow( "Trying to cleanup local node." );
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|
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// If the caller has requested a delayed cleanup, wait.
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if ( dwDelayIn > 0 )
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{
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LogMsg( L"EvictCleanup: Delayed cleanup requested. Delaying for %1!d! milliseconds.", dwDelayIn );
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TraceFlow1( "Delayed cleanup requested. Delaying for %d milliseconds.", dwDelayIn );
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heventCleanupComplete = CreateEvent(
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NULL // security attributes
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, TRUE // manual reset event
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, FALSE // initial state is non-signaled
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, SUCCESSFUL_CLEANUP_EVENT_NAME // event name
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);
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if ( heventCleanupComplete == NULL )
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{
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dwError = TW32( GetLastError() );
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hr = HRESULT_FROM_WIN32( dwError );
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LogMsg( L"EvictCleanup: Error %1!#08x! occurred trying to create the cleanup completion event.", dwError );
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TraceFlow1( "Error %#08x occurred trying to create the cleanup completion event.", dwError );
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goto Cleanup;
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} // if: CreateEvent() failed
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|
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// Wait for this event to get signaled or until dwDelayIn milliseconds are up.
|
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do
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{
|
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// Wait for any message sent or posted to this queue
|
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// or for our event to be signaled.
|
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dwError = MsgWaitForMultipleObjects(
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1
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, &heventCleanupComplete
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, FALSE
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, dwDelayIn // If no one has signaled this event in dwDelayIn milliseconds, abort.
|
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, QS_ALLINPUT
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|
);
|
|
|
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// The result tells us the type of event we have.
|
|
if ( dwError == ( WAIT_OBJECT_0 + 1 ) )
|
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{
|
|
MSG msg;
|
|
|
|
// Read all of the messages in this next loop,
|
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// removing each message as we read it.
|
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while ( PeekMessage( &msg, NULL, 0, 0, PM_REMOVE ) != 0 )
|
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{
|
|
// If it is a quit message, we are done pumping messages.
|
|
if ( msg.message == WM_QUIT)
|
|
{
|
|
TraceFlow( "Get a WM_QUIT message. Exit message pump loop." );
|
|
break;
|
|
} // if: we got a WM_QUIT message
|
|
|
|
// Otherwise, dispatch the message.
|
|
DispatchMessage( &msg );
|
|
} // while: there are still messages in the window message queue
|
|
|
|
} // if: we have a message in the window message queue
|
|
else
|
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{
|
|
if ( dwError == WAIT_OBJECT_0 )
|
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{
|
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TraceFlow( "Some other process has cleaned up this node while we were waiting. Exiting wait loop." );
|
|
LogMsg( L"EvictCleanup: Some other process has cleaned up this node while we were waiting. Exiting wait loop." );
|
|
} // if: our event is signaled
|
|
else if ( dwError == WAIT_TIMEOUT )
|
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{
|
|
LogMsg( L"EvictCleanup: The wait of %1!d! milliseconds is over. Proceeding with cleanup.", dwDelayIn );
|
|
TraceFlow1( "The wait of %d milliseconds is over. Proceeding with cleanup.", dwDelayIn );
|
|
} // else if: we timed out
|
|
else if ( dwError == -1 )
|
|
{
|
|
hr = HRESULT_FROM_WIN32( TW32( GetLastError() ) );
|
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LogMsg( L"EvictCleanup: Error %1!#08x! occurred trying to wait for an event to be signaled.", hr );
|
|
TraceFlow1( "Error %#08x occurred trying to wait for the cleanup completion event to be signaled.", hr );
|
|
} // else if: MsgWaitForMultipleObjects() returned an error
|
|
else
|
|
{
|
|
hr = THR( HRESULT_FROM_WIN32( dwError ) );
|
|
LogMsg( L"EvictCleanup: An error occurred trying to wait for an event to be signaled. Status code is %1!#08x!.", dwError );
|
|
TraceFlow1( "An error occurred trying to wait for the cleanup completion event to be signaled. Status code is %#08x.", dwError );
|
|
} // else: an unexpected value was returned by MsgWaitForMultipleObjects()
|
|
|
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break;
|
|
} // else: MsgWaitForMultipleObjects() exited for a reason other than a waiting message
|
|
}
|
|
while( true ); // do-while: loop infinitely
|
|
|
|
if ( FAILED( hr ) )
|
|
{
|
|
goto Cleanup;
|
|
} // if: something went wrong while waiting
|
|
|
|
TraceFlow1( "Delay of %d milliseconds completed.", dwDelayIn );
|
|
} // if: the caller has requested delayed cleanup
|
|
|
|
TraceFlow( "Check node cluster state." );
|
|
|
|
// Check the node cluster state
|
|
dwError = TW32( GetNodeClusterState( NULL, &dwClusterState ) );
|
|
if ( dwError != ERROR_SUCCESS )
|
|
{
|
|
hr = HRESULT_FROM_WIN32( dwError );
|
|
LogMsg( L"EvictCleanup: Error %1!#08x! occurred trying to get the state of the cluster service on this node.", hr );
|
|
TraceFlow1( "Error %#08x occurred trying to get the state of the cluster service on this node.", hr );
|
|
goto Cleanup;
|
|
} // if: we could not get the node cluster state
|
|
|
|
if ( ( dwClusterState != ClusterStateNotRunning ) && ( dwClusterState != ClusterStateRunning ) )
|
|
{
|
|
LogMsg( L"EvictCleanup: This node is not part of a cluster - no cleanup is necessary." );
|
|
TraceFlow( "This node is not part of a cluster - no cleanup is necessary." );
|
|
goto Cleanup;
|
|
} // if: this node is not part of a cluster
|
|
|
|
TraceFlow( "Stopping the cluster service." );
|
|
//
|
|
// NOTE: GetNodeClusterState() returns ClusterStateNotRunning if the cluster service is not in the
|
|
// SERVICE_RUNNING state. However, this does not mean that the service is not running, since it could
|
|
// be in the SERVICE_PAUSED, SERVICE_START_PENDING, etc. states.
|
|
//
|
|
// So, try and stop the service anyway. Query for the service state 300 times, once every 1000 ms.
|
|
//
|
|
dwError = TW32( DwStopService( L"ClusSvc", 1000, 300 ) );
|
|
hr = HRESULT_FROM_WIN32( dwError );
|
|
if ( FAILED( hr ) )
|
|
{
|
|
LogMsg( L"EvictCleanup: Error %1!#08x! occurred trying to stop the cluster service. Aborting cleanup.", dwError );
|
|
TraceFlow1( "Error %#08x occurred trying to stop the cluster service. Aborting cleanup.", dwError );
|
|
goto Cleanup;
|
|
} // if: we could not stop the cluster service in the specified time
|
|
|
|
//
|
|
// If we are here, the cluster service is not running any more.
|
|
// Create the ClusCfgServer component
|
|
//
|
|
hr = THR(
|
|
CoCreateInstance(
|
|
CLSID_ClusCfgServer
|
|
, NULL
|
|
, CLSCTX_INPROC_SERVER
|
|
, __uuidof( pcciInitialize )
|
|
, reinterpret_cast< void ** >( &pcciInitialize )
|
|
)
|
|
);
|
|
if ( FAILED( hr ) )
|
|
{
|
|
LogMsg( L"EvictCleanup: Error %1!#08x! occurred trying to create the cluster configuration server.", hr );
|
|
TraceFlow1( "Error %#08x occurred trying to create the cluster configuration server.", hr );
|
|
goto Cleanup;
|
|
} // if: we could not create the ClusCfgServer component
|
|
|
|
hr = THR( TypeSafeQI( IUnknown, &punkCallback ) );
|
|
if ( FAILED( hr ) )
|
|
{
|
|
LogMsg( L"EvictCleanup: Error %1!#08x! occurred trying to get an IUnknown interface pointer to the IClusCfgCallback interface.", hr );
|
|
TraceFlow1( "Error %#08x occurred trying to get an IUnknown interface pointer to the IClusCfgCallback interface.", hr );
|
|
goto Cleanup;
|
|
} // if:
|
|
|
|
hr = THR( pcciInitialize->Initialize( punkCallback, LOCALE_SYSTEM_DEFAULT ) );
|
|
if ( FAILED( hr ) )
|
|
{
|
|
LogMsg( L"EvictCleanup: Error %1!#08x! occurred trying to initialize the cluster configuration server.", hr );
|
|
TraceFlow1( "Error %#08x occurred trying to initialize the cluster configuration server.", hr );
|
|
goto Cleanup;
|
|
} // if: IClusCfgInitialize::Initialize() failed
|
|
|
|
hr = THR( pcciInitialize->QueryInterface< IClusCfgServer >( &pccsClusCfgServer ) );
|
|
if ( FAILED( hr ) )
|
|
{
|
|
LogMsg( L"EvictCleanup: Error %1!#08x! occurred trying to get a pointer to the cluster configuration server.", hr );
|
|
TraceFlow1( "Error %#08x occurred trying to get a pointer to the cluster configuration server interface.", hr );
|
|
goto Cleanup;
|
|
} // if: we could not get a pointer to the IClusCfgServer interface
|
|
|
|
hr = THR( pccsClusCfgServer->GetClusterNodeInfo( &pccniNodeInfo ) );
|
|
if ( FAILED( hr ) )
|
|
{
|
|
LogMsg( L"EvictCleanup: Error %1!#08x! occurred trying to get the node information.", hr );
|
|
TraceFlow1( "Error %#08x occurred trying to get a pointer to the IClusCfgNodeInfo interface.", hr );
|
|
goto Cleanup;
|
|
} // if: we could not get a pointer to the IClusCfgNodeInfo interface
|
|
|
|
hr = THR( pccniNodeInfo->GetClusterConfigInfo( &pccciClusterInfo ) );
|
|
if ( FAILED( hr ) )
|
|
{
|
|
LogMsg( L"EvictCleanup: Error %1!#08x! occurred trying to get the cluster information.", hr );
|
|
TraceFlow1( "Error %#08x occurred trying to get a pointer to the IClusCfgClusterInfo interface.", hr );
|
|
goto Cleanup;
|
|
} // if: we could not get a pointer to the IClusCfgClusterInfo interface
|
|
|
|
hr = THR( pccciClusterInfo->SetCommitMode( cmCLEANUP_NODE_AFTER_EVICT ) );
|
|
if ( FAILED( hr ) )
|
|
{
|
|
LogMsg( L"EvictCleanup: Error %1!#08x! occurred trying to set the cluster commit mode.", hr );
|
|
TraceFlow1( "Error %#08x occurred trying to call IClusCfgClusterInfo::SetCommitMode() interface.", hr );
|
|
goto Cleanup;
|
|
} // if: IClusCfgClusterInfo::SetEvictMode() failed
|
|
|
|
TraceFlow( "Starting cleanup of this node." );
|
|
|
|
// Do the cleanup
|
|
hr = THR( pccsClusCfgServer->CommitChanges() );
|
|
if ( FAILED( hr ) )
|
|
{
|
|
LogMsg( L"EvictCleanup: Error %1!#08x! occurred trying to clean up after evict.", hr );
|
|
TraceFlow1( "Error %#08x occurred trying to clean up after evict.", hr );
|
|
goto Cleanup;
|
|
} // if: an error occurred trying to clean up after evict
|
|
|
|
LogMsg( L"EvictCleanup: Local node cleaned up successfully." );
|
|
TraceFlow( "Local node cleaned up successfully." );
|
|
|
|
Cleanup:
|
|
//
|
|
// Clean up
|
|
//
|
|
|
|
if ( punkCallback != NULL )
|
|
{
|
|
punkCallback->Release();
|
|
} // if: we had queried for an IUnknown pointer on our IClusCfgCallback interface
|
|
|
|
if ( pccsClusCfgServer != NULL )
|
|
{
|
|
pccsClusCfgServer->Release();
|
|
} // if: we had created the ClusCfgServer component
|
|
|
|
if ( pccniNodeInfo != NULL )
|
|
{
|
|
pccniNodeInfo->Release();
|
|
} // if: we had acquired a pointer to the node info interface
|
|
|
|
if ( pcciInitialize != NULL )
|
|
{
|
|
pcciInitialize->Release();
|
|
} // if: we had acquired a pointer to the initialization interface
|
|
|
|
if ( pccciClusterInfo != NULL )
|
|
{
|
|
pccciClusterInfo->Release();
|
|
} // if: we had acquired a pointer to the cluster info interface
|
|
|
|
if ( heventCleanupComplete == NULL )
|
|
{
|
|
CloseHandle( heventCleanupComplete );
|
|
} // if: we had created the cleanup complete event
|
|
|
|
HRETURN( hr );
|
|
|
|
} //*** CEvictCleanup::CleanupLocalNode()
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//++
|
|
//
|
|
// CEvictCleanup::CleanupRemoteNode()
|
|
//
|
|
// Description:
|
|
// This method performs the clean up actions on a remote node after
|
|
// it has been evicted from a cluster, so that the node can go back
|
|
// to its "pre-clustered" state.
|
|
//
|
|
// Arguments:
|
|
// const WCHAR * pcszEvictedNodeNameIn
|
|
// Name of the node that has just been evicted. This can be the
|
|
// NetBios name of the node, the fully qualified domain name or
|
|
// the node IP address. If NULL, the local machine is cleaned up.
|
|
//
|
|
// DWORD dwDelayIn
|
|
// Number of milliseconds that this method will wait before starting
|
|
// cleanup. If some other process cleans up this node while this thread
|
|
// is waiting, the wait is terminated. If this value is zero, this method
|
|
// will attempt to clean up this node immediately.
|
|
//
|
|
// Return Values:
|
|
// S_OK
|
|
// Success.
|
|
//
|
|
// Other HRESULTs
|
|
// The call failed.
|
|
//
|
|
//--
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
HRESULT
|
|
CEvictCleanup::CleanupRemoteNode( const WCHAR * pcszEvictedNodeNameIn, DWORD dwDelayIn )
|
|
{
|
|
TraceFunc( "[IClusCfgEvictCleanup]" );
|
|
|
|
HRESULT hr = S_OK;
|
|
IClusCfgEvictCleanup * pcceEvict = NULL;
|
|
|
|
MULTI_QI mqiInterfaces[] =
|
|
{
|
|
{ &IID_IClusCfgEvictCleanup, NULL, S_OK },
|
|
};
|
|
|
|
COSERVERINFO csiServerInfo;
|
|
COSERVERINFO * pcsiServerInfoPtr = &csiServerInfo;
|
|
|
|
if ( pcszEvictedNodeNameIn == NULL )
|
|
{
|
|
LogMsg( L"EvictCleanup: The local node will be cleaned up." );
|
|
TraceFlow( "The local node will be cleaned up." );
|
|
pcsiServerInfoPtr = NULL;
|
|
} // if: we have to cleanup the local node
|
|
else
|
|
{
|
|
LogMsg( L"EvictCleanup: The remote node to be cleaned up is '%1!ws!'.", pcszEvictedNodeNameIn );
|
|
TraceFlow1( "The remote node to be cleaned up is '%ws'.", pcszEvictedNodeNameIn );
|
|
|
|
csiServerInfo.dwReserved1 = 0;
|
|
csiServerInfo.pwszName = const_cast< LPWSTR >( pcszEvictedNodeNameIn );
|
|
csiServerInfo.pAuthInfo = NULL;
|
|
csiServerInfo.dwReserved2 = 0;
|
|
} // else: we have to clean up a remote node
|
|
|
|
// Instantiate this component remotely
|
|
hr = THR(
|
|
CoCreateInstanceEx(
|
|
CLSID_ClusCfgEvictCleanup
|
|
, NULL
|
|
, CLSCTX_LOCAL_SERVER
|
|
, pcsiServerInfoPtr
|
|
, sizeof( mqiInterfaces ) / sizeof( mqiInterfaces[0] )
|
|
, mqiInterfaces
|
|
)
|
|
);
|
|
if ( FAILED( hr ) )
|
|
{
|
|
LogMsg( L"EvictCleanup: Error %1!#08x! occurred trying to instantiate the evict processing component. For example, the evicted node may be down right now or not accessible.", hr );
|
|
TraceFlow1( "Error %#08x occurred trying to instantiate the evict processing component.", hr );
|
|
goto Cleanup;
|
|
} // if: we could not instantiate the evict processing component
|
|
|
|
// Make the evict call.
|
|
pcceEvict = reinterpret_cast< IClusCfgEvictCleanup * >( mqiInterfaces[0].pItf );
|
|
hr = THR( pcceEvict->CleanupLocalNode( dwDelayIn ) );
|
|
if ( FAILED( hr ) )
|
|
{
|
|
LogMsg( L"EvictCleanup: Error %1!#08x! occurred trying to initiate evict processing.", hr );
|
|
TraceFlow1( "Error %#08x occurred trying to initiate evict processing.", hr );
|
|
goto Cleanup;
|
|
} // if: we could not initiate evict processing
|
|
|
|
Cleanup:
|
|
//
|
|
// Clean up
|
|
//
|
|
if ( pcceEvict != NULL )
|
|
{
|
|
pcceEvict->Release();
|
|
} // if: we had got a pointer to the IClusCfgEvictCleanup interface
|
|
|
|
HRETURN( hr );
|
|
|
|
} //*** CEvictCleanup::CleanupRemoteNode()
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//++
|
|
//
|
|
// void
|
|
// CEvictCleanup::DwStopService()
|
|
//
|
|
// Description:
|
|
// Instructs the SCM to stop a service. This function tests
|
|
// cQueryCountIn times to see if the service has stopped, checking
|
|
// every ulQueryIntervalMilliSecIn milliseconds.
|
|
//
|
|
// Arguments:
|
|
// pcszServiceNameIn
|
|
// Name of the service to stop
|
|
//
|
|
// ulQueryIntervalMilliSecIn
|
|
// Number of milliseconds between checking to see if the service
|
|
// has stopped. The default value is 500 milliseconds.
|
|
//
|
|
// cQueryCountIn
|
|
// The number of times this function will query the service (not
|
|
// including an initial query) to see if it has stopped. The default
|
|
// value is 10 times.
|
|
//
|
|
// Return Value:
|
|
// ERROR_SUCCESS
|
|
// Success.
|
|
//
|
|
// Other Win32 error codes
|
|
// The call failed.
|
|
//--
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
DWORD
|
|
CEvictCleanup::DwStopService(
|
|
const WCHAR * pcszServiceNameIn
|
|
, ULONG ulQueryIntervalMilliSecIn
|
|
, ULONG cQueryCountIn
|
|
)
|
|
{
|
|
TraceFunc( "" );
|
|
|
|
DWORD dwError = ERROR_SUCCESS;
|
|
SC_HANDLE schSCMHandle = NULL;
|
|
SC_HANDLE schServiceHandle = NULL;
|
|
|
|
SERVICE_STATUS ssStatus;
|
|
bool fStopped = false;
|
|
UINT cNumberOfQueries = 0;
|
|
|
|
LogMsg( L"EvictCleanup: Attempting to stop the '%1!ws!' service.", pcszServiceNameIn );
|
|
TraceFlow1( "Attempting to stop the '%ws' service.", pcszServiceNameIn );
|
|
|
|
// Open a handle to the service control manager.
|
|
schSCMHandle = OpenSCManager( NULL, SERVICES_ACTIVE_DATABASE, SC_MANAGER_ALL_ACCESS );
|
|
if ( schSCMHandle == NULL )
|
|
{
|
|
dwError = TW32( GetLastError() );
|
|
LogMsg( L"EvictCleanup: Error %1!#08x! occurred trying to open a handle to the service control manager.", dwError );
|
|
TraceFlow1( "Error %#08x occurred trying to open a handle to the service control manager.", dwError );
|
|
goto Cleanup;
|
|
} // if: we could not open a handle to the service control mananger
|
|
|
|
// Open a handle to the service.
|
|
schServiceHandle = OpenService(
|
|
schSCMHandle
|
|
, pcszServiceNameIn
|
|
, SERVICE_STOP | SERVICE_QUERY_STATUS
|
|
);
|
|
|
|
// Check if we could open a handle to the service.
|
|
if ( schServiceHandle == NULL )
|
|
{
|
|
// We could not get a handle to the service.
|
|
dwError = GetLastError();
|
|
|
|
// Check if the service exists.
|
|
if ( dwError == ERROR_SERVICE_DOES_NOT_EXIST )
|
|
{
|
|
// Nothing needs to be done here.
|
|
LogMsg( L"EvictCleanup: The '%1!ws!' service does not exist, so it is not running. Nothing needs to be done to stop it.", pcszServiceNameIn );
|
|
TraceFlow1( "The '%ws' service does not exist, so it is not running. Nothing needs to be done to stop it.", pcszServiceNameIn );
|
|
dwError = ERROR_SUCCESS;
|
|
} // if: the service does not exist
|
|
else
|
|
{
|
|
// Something else has gone wrong.
|
|
TW32( dwError );
|
|
LogMsg( L"EvictCleanup: Error %1!#08x! occurred trying to open the '%2!ws!' service.", dwError, pcszServiceNameIn );
|
|
TraceFlow2( "Error %#08x occurred trying to open the '%ws' service.", dwError, pcszServiceNameIn );
|
|
} // else: the service exists
|
|
|
|
goto Cleanup;
|
|
} // if: the handle to the service could not be opened.
|
|
|
|
|
|
TraceFlow( "Querying the service for its initial state." );
|
|
|
|
// Query the service for its initial state.
|
|
ZeroMemory( &ssStatus, sizeof( ssStatus ) );
|
|
if ( QueryServiceStatus( schServiceHandle, &ssStatus ) == 0 )
|
|
{
|
|
dwError = TW32( GetLastError() );
|
|
LogMsg( L"EvictCleanup: Error %1!#08x! occurred while trying to query the initial state of the '%2!ws!' service.", dwError, pcszServiceNameIn );
|
|
TraceFlow2( "Error %#08x occurred while trying to query the initial state of the '%ws' service.", dwError, pcszServiceNameIn );
|
|
goto Cleanup;
|
|
} // if: we could not query the service for its status.
|
|
|
|
// If the service has stopped, we have nothing more to do.
|
|
if ( ssStatus.dwCurrentState == SERVICE_STOPPED )
|
|
{
|
|
// Nothing needs to be done here.
|
|
LogMsg( L"EvictCleanup: The '%1!ws!' service is not running. Nothing needs to be done to stop it.", pcszServiceNameIn );
|
|
TraceFlow1( "The '%ws' service is not running. Nothing needs to be done to stop it.", pcszServiceNameIn );
|
|
goto Cleanup;
|
|
} // if: the service has stopped.
|
|
|
|
// If we are here, the service is running.
|
|
TraceFlow( "The service is running." );
|
|
|
|
//
|
|
// Try and stop the service.
|
|
//
|
|
|
|
// If the service is stopping on its own, no need to send the stop control code.
|
|
if ( ssStatus.dwCurrentState == SERVICE_STOP_PENDING )
|
|
{
|
|
TraceFlow( "The service is stopping on its own. The stop control code will not be sent." );
|
|
} // if: the service is stopping already
|
|
else
|
|
{
|
|
TraceFlow( "The stop control code will be sent after 30 seconds." );
|
|
|
|
ZeroMemory( &ssStatus, sizeof( ssStatus ) );
|
|
if ( ControlService( schServiceHandle, SERVICE_CONTROL_STOP, &ssStatus ) == 0 )
|
|
{
|
|
dwError = GetLastError();
|
|
if ( dwError == ERROR_SERVICE_NOT_ACTIVE )
|
|
{
|
|
LogMsg( L"EvictCleanup: The '%1!ws!' service is not running. Nothing more needs to be done here.", pcszServiceNameIn );
|
|
TraceFlow1( "The '%ws' service is not running. Nothing more needs to be done here.", pcszServiceNameIn );
|
|
|
|
// The service is not running. Change the error code to success.
|
|
dwError = ERROR_SUCCESS;
|
|
} // if: the service is already running.
|
|
else
|
|
{
|
|
TW32( dwError );
|
|
LogMsg( L"EvictCleanup: Error %1!#08x! occurred trying to stop the '%2!ws!' service.", dwError, pcszServiceNameIn );
|
|
TraceFlow2( "Error %#08x occurred trying to stop the '%ws' service.", dwError, pcszServiceNameIn );
|
|
}
|
|
|
|
// There is nothing else to do.
|
|
goto Cleanup;
|
|
} // if: an error occurred trying to stop the service.
|
|
} // else: the service has to be instructed to stop
|
|
|
|
|
|
// Query the service for its state now and wait till the timeout expires
|
|
cNumberOfQueries = 0;
|
|
do
|
|
{
|
|
// Query the service for its status.
|
|
ZeroMemory( &ssStatus, sizeof( ssStatus ) );
|
|
if ( QueryServiceStatus( schServiceHandle, &ssStatus ) == 0 )
|
|
{
|
|
dwError = TW32( GetLastError() );
|
|
LogMsg( L"EvictCleanup: Error %1!#08x! occurred while trying to query the state of the '%2!ws!' service.", dwError, pcszServiceNameIn );
|
|
TraceFlow2( "Error %#08x occurred while trying to query the state of the '%ws' service.", dwError, pcszServiceNameIn );
|
|
break;
|
|
} // if: we could not query the service for its status.
|
|
|
|
// If the service has stopped, we have nothing more to do.
|
|
if ( ssStatus.dwCurrentState == SERVICE_STOPPED )
|
|
{
|
|
// Nothing needs to be done here.
|
|
TraceFlow( "The service has been stopped." );
|
|
fStopped = true;
|
|
dwError = ERROR_SUCCESS;
|
|
break;
|
|
} // if: the service has stopped.
|
|
|
|
// Check if the timeout has expired
|
|
if ( cNumberOfQueries >= cQueryCountIn )
|
|
{
|
|
TraceFlow( "The service stop wait timeout has expired." );
|
|
break;
|
|
} // if: number of queries has exceeded the maximum specified
|
|
|
|
TraceFlow2(
|
|
"Waiting for %d milliseconds before querying service status again. %d such queries remaining."
|
|
, ulQueryIntervalMilliSecIn
|
|
, cQueryCountIn - cNumberOfQueries
|
|
);
|
|
|
|
++cNumberOfQueries;
|
|
|
|
// Wait for the specified time.
|
|
Sleep( ulQueryIntervalMilliSecIn );
|
|
|
|
}
|
|
while ( true ); // while: loop infinitely
|
|
|
|
if ( dwError != ERROR_SUCCESS )
|
|
{
|
|
goto Cleanup;
|
|
} // if: something went wrong.
|
|
|
|
if ( ! fStopped )
|
|
{
|
|
dwError = TW32( ERROR_SERVICE_REQUEST_TIMEOUT );
|
|
LogMsg( L"EvictCleanup: The '%1!ws!' service has not stopped even after %2!d! queries.", pcszServiceNameIn, cQueryCountIn );
|
|
TraceFlow2( "The '%ws' service has not stopped even after %d queries.", pcszServiceNameIn, cQueryCountIn );
|
|
goto Cleanup;
|
|
} // if: the maximum number of queries have been made and the service is not running.
|
|
|
|
LogMsg( L"EvictCleanup: The '%1!ws!' service was successfully stopped.", pcszServiceNameIn );
|
|
TraceFlow1( "The '%ws' service was successfully stopped.", pcszServiceNameIn );
|
|
|
|
Cleanup:
|
|
if ( dwError != ERROR_SUCCESS )
|
|
{
|
|
LogMsg( L"EvictCleanup: Error %1!#08x! has occurred trying to stop the '%2!ws!' service.", dwError, pcszServiceNameIn );
|
|
TraceFlow2( "Error %#08x has occurred trying to stop the '%ws' service.", dwError, pcszServiceNameIn );
|
|
} // if: something has gone wrong
|
|
|
|
|
|
//
|
|
// Cleanup
|
|
//
|
|
|
|
if ( schSCMHandle != NULL )
|
|
{
|
|
CloseServiceHandle( schSCMHandle );
|
|
} // if: we had opened a handle to the service control manager
|
|
|
|
if ( schServiceHandle != NULL )
|
|
{
|
|
CloseServiceHandle( schServiceHandle );
|
|
} // if: we had opened a handle to the service being stopped
|
|
|
|
RETURN( dwError );
|
|
|
|
} //*** CEvictCleanup::DwStopService()
|
|
|
|
|
|
//****************************************************************************
|
|
//
|
|
// IClusCfgCallback
|
|
//
|
|
//****************************************************************************
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//++
|
|
//
|
|
// CEvictCleanup::SendStatusReport(
|
|
// LPCWSTR pcszNodeNameIn
|
|
// , CLSID clsidTaskMajorIn
|
|
// , CLSID clsidTaskMinorIn
|
|
// , ULONG ulMinIn
|
|
// , ULONG ulMaxIn
|
|
// , ULONG ulCurrentIn
|
|
// , HRESULT hrStatusIn
|
|
// , LPCWSTR pcszDescriptionIn
|
|
// , FILETIME * pftTimeIn
|
|
// , LPCWSTR pcszReferenceIn
|
|
// )
|
|
//
|
|
// Description:
|
|
//
|
|
// Arguments:
|
|
//
|
|
// Return Value:
|
|
//
|
|
// Remarks:
|
|
// None.
|
|
//
|
|
//--
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
STDMETHODIMP
|
|
CEvictCleanup::SendStatusReport(
|
|
LPCWSTR pcszNodeNameIn
|
|
, CLSID clsidTaskMajorIn
|
|
, CLSID clsidTaskMinorIn
|
|
, ULONG ulMinIn
|
|
, ULONG ulMaxIn
|
|
, ULONG ulCurrentIn
|
|
, HRESULT hrStatusIn
|
|
, LPCWSTR pcszDescriptionIn
|
|
, FILETIME * pftTimeIn
|
|
, LPCWSTR pcszReferenceIn
|
|
)
|
|
{
|
|
TraceFunc1( "[IClusCfgCallback] pcszDescriptionIn = '%s'", pcszDescriptionIn == NULL ? TEXT("<null>") : pcszDescriptionIn );
|
|
|
|
HRESULT hr = S_OK;
|
|
|
|
if ( pcszNodeNameIn == NULL )
|
|
{
|
|
pcszNodeNameIn = m_bstrNodeName;
|
|
} // if:
|
|
|
|
TraceMsg( mtfFUNC, L"pcszNodeNameIn = %s", pcszNodeNameIn );
|
|
TraceMsgGUID( mtfFUNC, "clsidTaskMajorIn ", clsidTaskMajorIn );
|
|
TraceMsgGUID( mtfFUNC, "clsidTaskMinorIn ", clsidTaskMinorIn );
|
|
TraceMsg( mtfFUNC, L"ulMinIn = %u", ulMinIn );
|
|
TraceMsg( mtfFUNC, L"ulMaxIn = %u", ulMaxIn );
|
|
TraceMsg( mtfFUNC, L"ulCurrentIn = %u", ulCurrentIn );
|
|
TraceMsg( mtfFUNC, L"hrStatusIn = %#x", hrStatusIn );
|
|
TraceMsg( mtfFUNC, L"pcszDescriptionIn = '%ws'", ( pcszDescriptionIn ? pcszDescriptionIn : L"<null>" ) );
|
|
//
|
|
// TODO: 21 NOV 2000 GalenB
|
|
//
|
|
// How do we log pftTimeIn?
|
|
//
|
|
TraceMsg( mtfFUNC, L"pcszReferenceIn = '%ws'", ( pcszReferenceIn ? pcszReferenceIn : L"<null>" ) );
|
|
|
|
hr = THR( CClCfgSrvLogger::S_HrLogStatusReport(
|
|
m_plLogger
|
|
, pcszNodeNameIn
|
|
, clsidTaskMajorIn
|
|
, clsidTaskMinorIn
|
|
, ulMinIn
|
|
, ulMaxIn
|
|
, ulCurrentIn
|
|
, hrStatusIn
|
|
, pcszDescriptionIn
|
|
, pftTimeIn
|
|
, pcszReferenceIn
|
|
) );
|
|
|
|
HRETURN( hr );
|
|
|
|
} //*** CEvictCleanup::SendStatusReport()
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//++
|
|
//
|
|
// void
|
|
// CEvictCleanup::LogMsg(
|
|
// LPCWSTR pszLogMsgIn
|
|
// , ...
|
|
// )
|
|
//
|
|
// Description:
|
|
// Wraps call to LogMsg on the logger object.
|
|
//
|
|
// Arguments:
|
|
// pszLogMsgIn - Format string.
|
|
// ... - Arguments.
|
|
//
|
|
// Return Values:
|
|
// None.
|
|
//
|
|
//--
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
void
|
|
CEvictCleanup::LogMsg(
|
|
LPCWSTR pszLogMsgIn
|
|
, ...
|
|
)
|
|
{
|
|
TraceFunc( "" );
|
|
|
|
Assert( pszLogMsgIn != NULL );
|
|
Assert( m_plLogger != NULL );
|
|
|
|
HRESULT hr = S_OK;
|
|
BSTR bstrLogMsg = NULL;
|
|
LPWSTR pszLogMsg = NULL;
|
|
DWORD cch;
|
|
va_list valist;
|
|
|
|
va_start( valist, pszLogMsgIn );
|
|
|
|
cch = FormatMessage(
|
|
FORMAT_MESSAGE_ALLOCATE_BUFFER
|
|
| FORMAT_MESSAGE_FROM_STRING
|
|
, pszLogMsgIn
|
|
, 0
|
|
, 0
|
|
, (LPWSTR) &pszLogMsg
|
|
, 0
|
|
, &valist
|
|
);
|
|
|
|
va_end( valist );
|
|
|
|
if ( cch == 0 )
|
|
goto Win32Error;
|
|
|
|
bstrLogMsg = TraceSysAllocStringLen( pszLogMsg, cch );
|
|
if ( bstrLogMsg == NULL )
|
|
goto OutOfMemory;
|
|
|
|
m_plLogger->LogMsg( bstrLogMsg );
|
|
|
|
Cleanup:
|
|
LocalFree( pszLogMsg );
|
|
TraceSysFreeString( bstrLogMsg );
|
|
TraceFuncExit();
|
|
|
|
Win32Error:
|
|
hr = HRESULT_FROM_WIN32( TW32( GetLastError( ) ) );
|
|
goto Cleanup;
|
|
|
|
OutOfMemory:
|
|
hr = E_OUTOFMEMORY;
|
|
goto Cleanup;
|
|
|
|
} //*** CEvictCleanup::LogMsg()
|