Leaked source code of windows server 2003
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//***************************************************************************
//
// File:
//
// Module: MS SNMP Provider
//
// Purpose:
//
// Copyright (c) 1997-2001 Microsoft Corporation, All Rights Reserved
//
//***************************************************************************
#include "precomp.h"
#include <provexpt.h>
#include <corafx.h>
#include <objbase.h>
#include <wbemidl.h>
#include <smir.h>
#include <notify.h>
#include <corstore.h>
#include <snmplog.h>
#include <snmpcl.h>
#include <snmpcont.h>
#include <snmptype.h>
#include <snmpauto.h>
#include <snmpevt.h>
#include <snmpthrd.h>
#include <snmpobj.h>
#include <cominit.h>
#include <evtthrd.h>
#include <evtmap.h>
#include <evtprov.h>
extern CCorrCacheWrapper* g_CacheWrapper;
extern CEventProviderWorkerThread* g_pWorkerThread;
CBaseCorrCacheNotify::CBaseCorrCacheNotify()
{
m_cRef=0;
m_dwCookie=0;
m_DoWork = TRUE;
InitializeCriticalSection ( & m_CriticalSection ) ;
}
CBaseCorrCacheNotify::~CBaseCorrCacheNotify()
{
DeleteCriticalSection ( & m_CriticalSection ) ;
}
void CBaseCorrCacheNotify::Detach()
{
EnterCriticalSection ( & m_CriticalSection ) ;
m_DoWork = FALSE;
LeaveCriticalSection ( & m_CriticalSection ) ;
}
/*
* CBaseCorrCacheNotify::QueryInterface
* CBaseCorrCacheNotify::AddRef
* CBaseCorrCacheNotify::Release
*
* Purpose:
* Non-delegating IUnknown members for CBaseCorrCacheNotify.
*/
STDMETHODIMP CBaseCorrCacheNotify::QueryInterface(REFIID riid, LPVOID *ppv)
{
*ppv=NULL;
if (IID_IUnknown == riid || IID_ISMIR_Notify == riid)
*ppv=this;
if (NULL!=*ppv)
{
((LPUNKNOWN)*ppv)->AddRef();
return NOERROR;
}
return ResultFromScode(E_NOINTERFACE);
}
STDMETHODIMP_(ULONG) CBaseCorrCacheNotify::AddRef()
{
return ++m_cRef;
}
STDMETHODIMP_(ULONG) CBaseCorrCacheNotify::Release()
{
if (0!=--m_cRef)
return m_cRef;
delete this;
return 0;
}
STDMETHODIMP CCorrCacheNotify::ChangeNotify()
{
EnterCriticalSection ( & m_CriticalSection ) ;
BOOL bDoWork = m_DoWork;
LeaveCriticalSection ( & m_CriticalSection ) ;
if (bDoWork)
{
(g_CacheWrapper->GetCache())->InvalidateCache();
CCorrCache* cache = new CCorrCache();
g_CacheWrapper->SetCache(cache);
g_CacheWrapper->ReleaseCache();
}
return NOERROR;
}
STDMETHODIMP CEventCacheNotify::ChangeNotify()
{
EnterCriticalSection ( & m_CriticalSection ) ;
BOOL bDoWork = m_DoWork;
LeaveCriticalSection ( & m_CriticalSection ) ;
if (bDoWork)
{
g_pWorkerThread->Clear();
}
return NOERROR;
}