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106 lines
2.1 KiB
106 lines
2.1 KiB
/*++
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Copyright (C) 1996-2001 Microsoft Corporation
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Module Name:
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PROVINIT.CPP
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Abstract:
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This file implements the provider init sink
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History:
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--*/
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#include "precomp.h"
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#include <stdio.h>
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#include <wbemcomn.h>
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#include <sync.h>
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#include <cominit.h>
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#include "provinit.h"
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ULONG STDMETHODCALLTYPE CProviderInitSink::AddRef()
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{
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CInCritSec ics(&m_cs);
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return ++m_lRef;
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}
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ULONG STDMETHODCALLTYPE CProviderInitSink::Release()
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{
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EnterCriticalSection(&m_cs);
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--m_lRef;
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if(m_lRef == 0)
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{
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LeaveCriticalSection(&m_cs);
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delete this;
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}
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else LeaveCriticalSection(&m_cs);
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return 99;
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}
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HRESULT STDMETHODCALLTYPE CProviderInitSink::QueryInterface(REFIID riid,
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void** ppv)
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{
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CInCritSec ics(&m_cs);
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if(riid == IID_IUnknown || riid == IID_IWbemProviderInitSink)
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{
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*ppv = (IWbemProviderInitSink*)this;
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AddRef();
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return S_OK;
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}
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else return E_NOINTERFACE;
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}
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HRESULT STDMETHODCALLTYPE CProviderInitSink::SetStatus(long lStatus,
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long lFlags)
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{
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CInCritSec ics(&m_cs);
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if(lFlags != 0)
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return WBEM_E_INVALID_PARAMETER;
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if(SUCCEEDED(lStatus) && lStatus != WBEM_S_INITIALIZED)
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{
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// Partial initialization is not supported in this version
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// =======================================================
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return WBEM_S_NO_ERROR;
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}
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m_lStatus = lStatus;
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SetEvent(m_hEvent);
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return WBEM_S_NO_ERROR;
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}
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CProviderInitSink::CProviderInitSink() : m_lRef(0)
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{
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m_hEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
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}
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CProviderInitSink::~CProviderInitSink()
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{
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CloseHandle(m_hEvent);
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}
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HRESULT CProviderInitSink::WaitForCompletion()
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{
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// Wait
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// ====
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DWORD dwRes = WbemWaitForSingleObject(m_hEvent, 300000);
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if(dwRes != WAIT_OBJECT_0)
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{
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ERRORTRACE((LOG_WBEMCORE, "Provider initialization phase timed out\n"));
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return WBEM_E_PROVIDER_LOAD_FAILURE;
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}
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return m_lStatus;
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}
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