VC++进程管理,新进程启动时获取名字

#define _WIN32_DCOM
#include <iostream>
using namespace std;
#include <comdef.h>
#include <Wbemidl.h>
#include <atlcomcli.h>

#pragma comment(lib, "wbemuuid.lib")

#include "ProcessTerminationNotification.h"

class EventSink : public IWbemObjectSink
{
    friend void ProcessTerminationNotification::registerTerminationCallback(TNotificationFunction callback, unsigned processId);

    CComPtr<IWbemServices> pSvc;
    CComPtr<IWbemObjectSink> pStubSink;

    LONG m_lRef;
    ProcessTerminationNotification::TNotificationFunction m_callback;

public:
    EventSink(ProcessTerminationNotification::TNotificationFunction callback)
        : m_lRef(0) 
        , m_callback(callback)
    {}
    ~EventSink()
    {}

    virtual ULONG STDMETHODCALLTYPE AddRef()
    {
        return InterlockedIncrement(&m_lRef);
    }
    virtual ULONG STDMETHODCALLTYPE Release()
    {
        LONG lRef = InterlockedDecrement(&m_lRef);
        if (lRef == 0)
            delete this;
        return lRef;
    }
    virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void** ppv)
    {
        if (riid == IID_IUnknown || riid == IID_IWbemObjectSink)
        {
            *ppv = (IWbemObjectSink *) this;
            AddRef();
            return WBEM_S_NO_ERROR;
        }
        else return E_NOINTERFACE;
    }

    virtual HRESULT STDMETHODCALLTYPE Indicate( 
        LONG lObjectCount,
        IWbemClassObject __RPC_FAR *__RPC_FAR *apObjArray
        )
    {
        m_callback();
        /* Unregister event sink since process is terminated */
        pSvc->CancelAsyncCall(pStubSink);
        return WBEM_S_NO_ERROR;
    }

    virtual HRESULT STDMETHODCALLTYPE SetStatus( 
        /* [in] */ LONG lFlags,
        /* [in] */ HRESULT hResult,
        /* [in] */ BSTR strParam,
        /* [in] */ IWbemClassObject __RPC_FAR *pObjParam
        )
    {
        return WBEM_S_NO_ERROR;
    } 

};


void ProcessTerminationNotification::registerTerminationCallback( TNotificationFunction callback, unsigned processId )
{
    CComPtr<IWbemLocator> pLoc;

    HRESULT hres = CoCreateInstance(
        CLSID_WbemLocator,             
        0, 
        CLSCTX_INPROC_SERVER, 
        IID_IWbemLocator,
        (LPVOID*)&pLoc);

    if (FAILED(hres))
    {
        cout << "Failed to create IWbemLocator object. "
            << "Err code = 0x"
            << hex << hres << endl;
        throw std::exception("ProcessTerminationNotificaiton initialization failed");
    }

    // Step 4: ---------------------------------------------------
    // Connect to WMI through the IWbemLocator::ConnectServer method

    CComPtr<EventSink> pSink(new EventSink(callback));

    // Connect to the local root\cimv2 namespace
    // and obtain pointer pSvc to make IWbemServices calls.
    hres = pLoc->ConnectServer(
        _bstr_t(L"ROOT\\CIMV2"), 
        NULL,
        NULL, 
        0, 
        NULL, 
        0, 
        0, 
        &pSink->pSvc
        );

    if (FAILED(hres))
    {
        cout << "Could not connect. Error code = 0x" 
            << hex << hres << endl;
        throw std::exception("ProcessTerminationNotificaiton initialization failed");
    }

    // Step 5: --------------------------------------------------
    // Set security levels on the proxy -------------------------

    hres = CoSetProxyBlanket(
        pSink->pSvc,                        // Indicates the proxy to set
        RPC_C_AUTHN_WINNT,           // RPC_C_AUTHN_xxx 
        RPC_C_AUTHZ_NONE,            // RPC_C_AUTHZ_xxx 
        NULL,                        // Server principal name 
        RPC_C_AUTHN_LEVEL_CALL,      // RPC_C_AUTHN_LEVEL_xxx 
        RPC_C_IMP_LEVEL_IMPERSONATE, // RPC_C_IMP_LEVEL_xxx
        NULL,                        // client identity
        EOAC_NONE                    // proxy capabilities 
        );

    if (FAILED(hres))
    {
        cout << "Could not set proxy blanket. Error code = 0x" 
            << hex << hres << endl;
        throw std::exception("ProcessTerminationNotificaiton initialization failed");
    }

    // Step 6: -------------------------------------------------
    // Receive event notifications -----------------------------

    // Use an unsecured apartment for security
    CComPtr<IUnsecuredApartment> pUnsecApp;

    hres = CoCreateInstance(CLSID_UnsecuredApartment, NULL, 
        CLSCTX_LOCAL_SERVER, IID_IUnsecuredApartment, 
        (void**)&pUnsecApp);

    CComPtr<IUnknown> pStubUnk; 
    pUnsecApp->CreateObjectStub(pSink, &pStubUnk);

    pStubUnk->QueryInterface(IID_IWbemObjectSink,
        (void **) &pSink->pStubSink);

    // The ExecNotificationQueryAsync method will call
    // The EventQuery::Indicate method when an event occurs
    char buffer[512];
    sprintf_s(buffer, "SELECT * " 
        "FROM __InstanceDeletionEvent WITHIN 1 "
        "WHERE TargetInstance ISA 'Win32_Process' AND TargetInstance.ProcessId=%u", processId);

    hres = pSink->pSvc->ExecNotificationQueryAsync(
        _bstr_t("WQL"), 
        _bstr_t(buffer), 
        WBEM_FLAG_SEND_STATUS, 
        NULL, 
        pSink->pStubSink);

    // Check for errors.
    if (FAILED(hres))
    {
        cout << "ExecNotificationQueryAsync failed "
            "with = 0x" << hex << hres << endl;
        throw std::exception("ProcessTerminationNotificaiton initialization failed");
    }
}