107 lines
2.5 KiB
C++
107 lines
2.5 KiB
C++
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//=============================================================================
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//
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// Copyright (c) 1996-1999, Microsoft Corporation, All rights reserved
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//
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// EQUEUE.CPP
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//
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// This file implements the classes for a queue of events which have matched
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// some of the filters and will have to be dispatched.
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//
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// See equeue.h for documentation
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//
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// History:
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//
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// 11/27/96 a-levn Compiles.
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//
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//=============================================================================
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#include "precomp.h"
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#include <stdio.h>
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#include "ess.h"
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#include "equeue.h"
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#include <cominit.h>
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#include "NCEvents.h"
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CEventQueue::CDeliverRequest::CDeliverRequest(CQueueingEventSink* pConsumer)
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: m_pConsumer(pConsumer)
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{
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m_pConsumer->AddRef();
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}
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CEventQueue::CDeliverRequest::~CDeliverRequest()
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{
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m_pConsumer->Release();
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}
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HRESULT CEventQueue::CDeliverRequest::Execute()
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{
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return m_pConsumer->DeliverAll();
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}
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//*****************************************************************************
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//************************ CEventQueue ****************************************
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//*****************************************************************************
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CEventQueue::CEventQueue(CEss* pEss) : m_pEss(pEss)
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{
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SetThreadLimits(100, 100, -1);
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m_dwTimeout = 60000;
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}
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void CEventQueue::InitializeThread()
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{
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//
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// Report the MSFT_WmiThreadPoolThreadCreated event.
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//
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FIRE_NCEVENT( g_hNCEvents[MSFT_WmiThreadPoolThreadCreated],
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WMI_SENDCOMMIT_SET_NOT_REQUIRED,
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GetCurrentThreadId());
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}
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void CEventQueue::UninitializeThread()
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{
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//
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// Report the MSFT_WmiThreadPoolThreadDeleted event.
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//
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FIRE_NCEVENT( g_hNCEvents[MSFT_WmiThreadPoolThreadDeleted],
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WMI_SENDCOMMIT_SET_NOT_REQUIRED,
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GetCurrentThreadId() );
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}
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void CEventQueue::ThreadMain(CThreadRecord* pRecord)
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{
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try
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{
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CExecQueue::ThreadMain(pRecord);
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}
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catch(...)
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{
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// Exit this thread gracefully
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// ===========================
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ShutdownThread(pRecord);
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}
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}
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HRESULT CEventQueue::EnqueueDeliver(CQueueingEventSink* pConsumer)
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{
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// Create a new request
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// ====================
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CDeliverRequest* pRequest = new CDeliverRequest(pConsumer);
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if(pRequest == NULL)
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return WBEM_E_OUT_OF_MEMORY;
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CExecQueue::Enqueue(pRequest);
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return S_OK;
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}
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void CEventQueue::DumpStatistics(FILE* f, long lFlags)
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{
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fprintf(f, "%d requests (%d threads) on the main queue\n", m_lNumRequests,
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m_lNumThreads);
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}
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