C++ ComObjPtr::queryInterfaceTo方法代码示例

// implementation of public methods
/////////////////////////////////////////////////////////////////////////////
HRESULT Guest::createSession(const com::Utf8Str &aUser, const com::Utf8Str &aPassword, const com::Utf8Str &aDomain,
                             const com::Utf8Str &aSessionName, ComPtr<IGuestSession> &aGuestSession)

{
#ifndef VBOX_WITH_GUEST_CONTROL
    ReturnComNotImplemented();
#else /* VBOX_WITH_GUEST_CONTROL */

    LogFlowFuncEnter();

    /* Do not allow anonymous sessions (with system rights) with public API. */
    if (RT_UNLIKELY(!aUser.length()))
        return setError(E_INVALIDARG, tr("No user name specified"));

    GuestSessionStartupInfo startupInfo;
    startupInfo.mName = aSessionName;

    GuestCredentials guestCreds;
    guestCreds.mUser = aUser;
    guestCreds.mPassword = aPassword;
    guestCreds.mDomain = aDomain;

    ComObjPtr<GuestSession> pSession;
    int rc = i_sessionCreate(startupInfo, guestCreds, pSession);
    if (RT_SUCCESS(rc))
    {
        /* Return guest session to the caller. */
        HRESULT hr2 = pSession.queryInterfaceTo(aGuestSession.asOutParam());
        if (FAILED(hr2))
            rc = VERR_COM_OBJECT_NOT_FOUND;
    }

    if (RT_SUCCESS(rc))
        /* Start (fork) the session asynchronously
         * on the guest. */
        rc = pSession->i_startSessionAsync();

    HRESULT hr = S_OK;

    if (RT_FAILURE(rc))
    {
        switch (rc)
        {
            case VERR_MAX_PROCS_REACHED:
                hr = setError(VBOX_E_IPRT_ERROR, tr("Maximum number of concurrent guest sessions (%ld) reached"),
                              VBOX_GUESTCTRL_MAX_SESSIONS);
                break;

            /** @todo Add more errors here. */

            default:
                hr = setError(VBOX_E_IPRT_ERROR, tr("Could not create guest session: %Rrc"), rc);
                break;
        }
    }

    LogFlowThisFunc(("Returning rc=%Rhrc\n", hr));
    return hr;
#endif /* VBOX_WITH_GUEST_CONTROL */
}

HRESULT USBDeviceFilters::createDeviceFilter(const com::Utf8Str &aName,
                                             ComPtr<IUSBDeviceFilter> &aFilter)

{
#ifdef VBOX_WITH_USB

    /* the machine needs to be mutable */
    AutoMutableStateDependency adep(m->pParent);
    if (FAILED(adep.rc())) return adep.rc();

    AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);

    ComObjPtr<USBDeviceFilter> pFilter;
    pFilter.createObject();
    HRESULT rc = pFilter->init(this, Bstr(aName).raw());
    ComAssertComRCRetRC(rc);
    rc = pFilter.queryInterfaceTo(aFilter.asOutParam());
    AssertComRCReturnRC(rc);

    return S_OK;
#else
    NOREF(aName);
    NOREF(aFilter);
    ReturnComNotImplemented();
#endif
}

STDMETHODIMP NetworkAdapter::COMGETTER(BandwidthGroup)(IBandwidthGroup **aBwGroup)
{
    LogFlowThisFuncEnter();
    CheckComArgOutPointerValid(aBwGroup);

    HRESULT hrc = S_OK;

    AutoCaller autoCaller(this);
    if (FAILED(autoCaller.rc())) return autoCaller.rc();

    AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);

    if (mData->mBandwidthGroup.isNotEmpty())
    {
        ComObjPtr<BandwidthGroup> pBwGroup;
        hrc = mParent->getBandwidthGroup(mData->mBandwidthGroup, pBwGroup, true /* fSetError */);

        Assert(SUCCEEDED(hrc)); /* This is not allowed to fail because the existence of the group was checked when it was attached. */

        if (SUCCEEDED(hrc))
            pBwGroup.queryInterfaceTo(aBwGroup);
    }

    LogFlowThisFuncLeave();
    return hrc;
}

STDMETHODIMP USBController::CreateDeviceFilter (IN_BSTR aName,
                                                IUSBDeviceFilter **aFilter)
{
#ifdef VBOX_WITH_USB
    CheckComArgOutPointerValid(aFilter);

    CheckComArgStrNotEmptyOrNull(aName);

    AutoCaller autoCaller(this);
    if (FAILED(autoCaller.rc())) return autoCaller.rc();

    /* the machine needs to be mutable */
    AutoMutableStateDependency adep(m->pParent);
    if (FAILED(adep.rc())) return adep.rc();

    AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);

    ComObjPtr<USBDeviceFilter> filter;
    filter.createObject();
    HRESULT rc = filter->init (this, aName);
    ComAssertComRCRetRC (rc);
    rc = filter.queryInterfaceTo(aFilter);
    AssertComRCReturnRC(rc);

    return S_OK;
#else
    NOREF(aName);
    NOREF(aFilter);
    ReturnComNotImplemented();
#endif
}

STDMETHODIMP Guest::DirectoryRead(ULONG aHandle, IGuestDirEntry **aDirEntry)
{
#ifndef VBOX_WITH_GUEST_CONTROL
    ReturnComNotImplemented();
#else /* VBOX_WITH_GUEST_CONTROL */
    using namespace guestControl;

    CheckComArgOutPointerValid(aDirEntry);

    AutoCaller autoCaller(this);
    if (FAILED(autoCaller.rc())) return autoCaller.rc();

    HRESULT hr = S_OK;
    try
    {
        GuestProcessStreamBlock streamBlock;
        int rc = directoryGetNextEntry(aHandle, streamBlock);
        if (RT_SUCCESS(rc))
        {
            if (streamBlock.GetCount())
            {
                ComObjPtr <GuestDirEntry> pDirEntry;
                hr = pDirEntry.createObject();
                ComAssertComRC(hr);

                hr = pDirEntry->init(this, streamBlock);
                if (SUCCEEDED(hr))
                {
                    pDirEntry.queryInterfaceTo(aDirEntry);
                }
                else
                {
#ifdef DEBUG
                    streamBlock.DumpToLog();
#endif
                    hr = VBOX_E_FILE_ERROR;
                }
            }
            else
            {
                /* No more directory entries to read. That's fine. */
                hr = E_ABORT; /** @todo Find/define a better rc! */
            }
        }
        else
            hr = setError(VBOX_E_IPRT_ERROR,
                          Guest::tr("Failed getting next directory entry (%Rrc)"), rc);
    }
    catch (std::bad_alloc &)
    {
        hr = E_OUTOFMEMORY;
    }
    return hr;
#endif
}

STDMETHODIMP Guest::CreateSession(IN_BSTR aUser, IN_BSTR aPassword, IN_BSTR aDomain, IN_BSTR aSessionName, IGuestSession **aGuestSession)
{
#ifndef VBOX_WITH_GUEST_CONTROL
    ReturnComNotImplemented();
#else /* VBOX_WITH_GUEST_CONTROL */

    LogFlowFuncEnter();

    /* Do not allow anonymous sessions (with system rights) with official API. */
    if (RT_UNLIKELY((aUser) == NULL || *(aUser) == '\0'))
        return setError(E_INVALIDARG, tr("No user name specified"));
    CheckComArgOutPointerValid(aGuestSession);
    /* Rest is optional. */

    AutoCaller autoCaller(this);
    if (FAILED(autoCaller.rc())) return autoCaller.rc();

    HRESULT hr = S_OK;

    ComObjPtr<GuestSession> pSession;
    int rc = sessionCreate(aUser, aPassword, aDomain, aSessionName, pSession);
    if (RT_SUCCESS(rc))
    {
        /* Return guest session to the caller. */
        HRESULT hr2 = pSession.queryInterfaceTo(aGuestSession);
        if (FAILED(hr2))
            rc = VERR_COM_OBJECT_NOT_FOUND;

        if (RT_SUCCESS(rc))
            rc = pSession->queryInfo();
    }

    if (RT_FAILURE(rc))
    {
        switch (rc)
        {
            case VERR_MAX_PROCS_REACHED:
                hr = setError(VBOX_E_IPRT_ERROR, tr("Maximum number of guest sessions (%ld) reached"),
                              VBOX_GUESTCTRL_MAX_SESSIONS);
                break;

            /** @todo Add more errors here. */

           default:
                hr = setError(VBOX_E_IPRT_ERROR, tr("Could not create guest session, rc=%Rrc"), rc);
                break;
        }
    }

    LogFlowFuncLeaveRC(rc);
    return hr;
#endif /* VBOX_WITH_GUEST_CONTROL */
}

STDMETHODIMP VFSExplorer::Remove(ComSafeArrayIn(IN_BSTR, aNames), IProgress **aProgress)
{
    CheckComArgSafeArrayNotNull(aNames);
    CheckComArgOutPointerValid(aProgress);

    AutoCaller autoCaller(this);
    if (FAILED(autoCaller.rc())) return autoCaller.rc();

    AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);

    HRESULT rc = S_OK;

    com::SafeArray<IN_BSTR> sfaNames(ComSafeArrayInArg(aNames));

    ComObjPtr<Progress> progress;
    try
    {
        /* Create the progress object */
        progress.createObject();

        rc = progress->init(mVirtualBox, static_cast<IVFSExplorer*>(this),
                            Bstr(tr("Delete files")).raw(),
                            TRUE /* aCancelable */);
        if (FAILED(rc)) throw rc;

        /* Initialize our worker task */
        std::auto_ptr<TaskVFSExplorer> task(new TaskVFSExplorer(TaskVFSExplorer::Delete, this, progress));

        /* Add all filenames to delete as task data */
        for (size_t a=0; a < sfaNames.size(); ++a)
            task->filenames.push_back(Utf8Str(sfaNames[a]));

        rc = task->startThread();
        if (FAILED(rc)) throw rc;

        /* Don't destruct on success */
        task.release();
    }
    catch (HRESULT aRC)
    {
        rc = aRC;
    }

    if (SUCCEEDED(rc))
        /* Return progress to the caller */
        progress.queryInterfaceTo(aProgress);

    return rc;
}

int NetIfRemoveHostOnlyNetworkInterface(VirtualBox *pVirtualBox, IN_GUID aId,
                                        IProgress **aProgress)
{
#if defined(RT_OS_LINUX) || defined(RT_OS_DARWIN) || defined(RT_OS_FREEBSD)
    /* create a progress object */
    ComObjPtr<Progress> progress;
    progress.createObject();
    ComPtr<IHost> host;
    int rc = VINF_SUCCESS;
    HRESULT hr = pVirtualBox->COMGETTER(Host)(host.asOutParam());
    if (SUCCEEDED(hr))
    {
        Bstr ifname;
        ComPtr<IHostNetworkInterface> iface;
        if (FAILED(host->FindHostNetworkInterfaceById(Guid(aId).toUtf16().raw(), iface.asOutParam())))
            return VERR_INVALID_PARAMETER;
        iface->COMGETTER(Name)(ifname.asOutParam());
        if (ifname.isEmpty())
            return VERR_INTERNAL_ERROR;

        rc = progress->init(pVirtualBox, host,
                            Bstr("Removing host network interface").raw(),
                            FALSE /* aCancelable */);
        if (SUCCEEDED(rc))
        {
            progress.queryInterfaceTo(aProgress);
            rc = NetIfAdpCtl(Utf8Str(ifname).c_str(), "remove", NULL, NULL);
            if (RT_FAILURE(rc))
                progress->i_notifyComplete(E_FAIL,
                                           COM_IIDOF(IHostNetworkInterface),
                                           HostNetworkInterface::getStaticComponentName(),
                                           "Failed to execute '" VBOXNETADPCTL_NAME "' (exit status: %d)", rc);
            else
                progress->i_notifyComplete(S_OK);
        }
    }
    else
    {
        progress->i_notifyComplete(hr);
        rc = VERR_INTERNAL_ERROR;
    }
    return rc;
#else
    NOREF(pVirtualBox);
    NOREF(aId);
    NOREF(aProgress);
    return VERR_NOT_IMPLEMENTED;
#endif
}

void BusAssignmentManager::State::listAttachedPCIDevices(std::vector<ComPtr<IPCIDeviceAttachment> > &aAttached)
{
    aAttached.resize(mPCIMap.size());

    size_t i = 0;
    ComObjPtr<PCIDeviceAttachment> dev;
    for (PCIMap::const_iterator it = mPCIMap.begin(); it !=  mPCIMap.end(); ++it, ++i)
    {
        dev.createObject();
        com::Bstr devname(it->second.szDevName);
        dev->init(NULL, devname,
                  it->second.HostAddress.valid() ? it->second.HostAddress.asLong() : -1,
                  it->first.asLong(), it->second.HostAddress.valid());
        dev.queryInterfaceTo(aAttached[i].asOutParam());
    }
}

STDMETHODIMP VFSExplorer::Update(IProgress **aProgress)
{
    CheckComArgOutPointerValid(aProgress);

    AutoCaller autoCaller(this);
    if (FAILED(autoCaller.rc())) return autoCaller.rc();

    AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);

    HRESULT rc = S_OK;

    ComObjPtr<Progress> progress;
    try
    {
        Bstr progressDesc = BstrFmt(tr("Update directory info for '%s'"),
                                    m->strPath.c_str());
        /* Create the progress object */
        progress.createObject();

        rc = progress->init(mVirtualBox,
                            static_cast<IVFSExplorer*>(this),
                            progressDesc.raw(),
                            TRUE /* aCancelable */);
        if (FAILED(rc)) throw rc;

        /* Initialize our worker task */
        std::auto_ptr<TaskVFSExplorer> task(new TaskVFSExplorer(TaskVFSExplorer::Update, this, progress));

        rc = task->startThread();
        if (FAILED(rc)) throw rc;

        /* Don't destruct on success */
        task.release();
    }
    catch (HRESULT aRC)
    {
        rc = aRC;
    }

    if (SUCCEEDED(rc))
        /* Return progress to the caller */
        progress.queryInterfaceTo(aProgress);

    return rc;
}

HRESULT VFSExplorer::remove(const std::vector<com::Utf8Str> &aNames,
                            ComPtr<IProgress> &aProgress)
{
    AutoCaller autoCaller(this);
    if (FAILED(autoCaller.rc())) return autoCaller.rc();

    AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);

    HRESULT rc = S_OK;

    ComObjPtr<Progress> progress;
    try
    {
        /* Create the progress object */
        progress.createObject();

        rc = progress->init(mVirtualBox, static_cast<IVFSExplorer*>(this),
                            Bstr(tr("Delete files")).raw(),
                            TRUE /* aCancelable */);
        if (FAILED(rc)) throw rc;

        /* Initialize our worker task */
        std::auto_ptr<TaskVFSExplorer> task(new TaskVFSExplorer(TaskVFSExplorer::Delete, this, progress));

        /* Add all filenames to delete as task data */
        for (size_t i = 0; i < aNames.size(); ++i)
            task->filenames.push_back(aNames[i]);

        rc = task->startThread();
        if (FAILED(rc)) throw rc;

        /* Don't destruct on success */
        task.release();
    }
    catch (HRESULT aRC)
    {
        rc = aRC;
    }

    if (SUCCEEDED(rc))
        /* Return progress to the caller */
        progress.queryInterfaceTo(aProgress.asOutParam());

    return rc;
}

/**
 * Marks the operation as complete and attaches full error info.
 *
 * See VirtualBoxBase::setError(HRESULT, const GUID &, const wchar_t
 * *, const char *, ...) for more info.
 *
 * @param aResultCode   Operation result (error) code, must not be S_OK.
 * @param aIID          IID of the interface that defines the error.
 * @param aComponent    Name of the component that generates the error.
 * @param aText         Error message (must not be null), an RTStrPrintf-like
 *                      format string in UTF-8 encoding.
 * @param va            List of arguments for the format string.
 */
HRESULT Progress::i_notifyCompleteV(HRESULT aResultCode,
                                    const GUID &aIID,
                                    const char *pcszComponent,
                                    const char *aText,
                                    va_list va)
{
    Utf8Str text(aText, va);

    AutoCaller autoCaller(this);
    AssertComRCReturnRC(autoCaller.rc());

    AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);

    AssertReturn(mCompleted == FALSE, E_FAIL);

    if (mCanceled && SUCCEEDED(aResultCode))
        aResultCode = E_FAIL;

    mCompleted = TRUE;
    mResultCode = aResultCode;

    AssertReturn(FAILED(aResultCode), E_FAIL);

    ComObjPtr<VirtualBoxErrorInfo> errorInfo;
    HRESULT rc = errorInfo.createObject();
    AssertComRC(rc);
    if (SUCCEEDED(rc))
    {
        errorInfo->init(aResultCode, aIID, pcszComponent, text);
        errorInfo.queryInterfaceTo(mErrorInfo.asOutParam());
    }

#if !defined VBOX_COM_INPROC
    /* remove from the global collection of pending progress operations */
    if (mParent)
        mParent->i_removeProgress(mId.ref());
#endif

    /* wake up all waiting threads */
    if (mWaitersCount > 0)
        RTSemEventMultiSignal(mCompletedSem);

    return rc;
}

HRESULT MediumAttachment::getBandwidthGroup(ComPtr<IBandwidthGroup> &aBandwidthGroup)
{
    LogFlowThisFuncEnter();

    AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);

    HRESULT hrc = S_OK;
    if (m->bd->mData.strBwGroup.isNotEmpty())
    {
        ComObjPtr<BandwidthGroup> pBwGroup;
        hrc = m->pMachine->i_getBandwidthGroup(m->bd->mData.strBwGroup, pBwGroup, true /* fSetError */);

        Assert(SUCCEEDED(hrc)); /* This is not allowed to fail because the existence of the
                                   group was checked when it was attached. */

        if (SUCCEEDED(hrc))
            pBwGroup.queryInterfaceTo(aBandwidthGroup.asOutParam());
    }

    LogFlowThisFuncLeave();
    return hrc;
}

//.........这里部分代码省略.........
        if (RT_SUCCESS(rc))
        {
            rc = parseData(streamBlock);
            if (rc == VERR_NO_DATA) /* Since this is the last parsing call, this is ok. */
                rc = VINF_SUCCESS;
        }

        /*
         * Note: The guest process can still be around to serve the next
         *       upcoming stream block next time.
         */
        if (RT_SUCCESS(rc))
        {
            /** @todo Move into common function. */
            ProcessStatus_T procStatus = ProcessStatus_Undefined;
            LONG exitCode = 0;

            HRESULT hr2 = pProcess->COMGETTER(Status(&procStatus));
            ComAssertComRC(hr2);
            hr2 = pProcess->COMGETTER(ExitCode(&exitCode));
            ComAssertComRC(hr2);

            if (   (   procStatus != ProcessStatus_Started
                    && procStatus != ProcessStatus_Paused
                    && procStatus != ProcessStatus_Terminating
                   )
                && exitCode != 0)
            {
                rc = VERR_ACCESS_DENIED;
            }
        }
    }

    if (RT_SUCCESS(rc))
    {
        if (streamBlock.GetCount()) /* Did we get content? */
        {
            rc = objData.FromLs(streamBlock);
            if (RT_FAILURE(rc))
                rc = VERR_PATH_NOT_FOUND;

            if (RT_SUCCESS(rc))
            {
                /* Create the object. */
                ComObjPtr<GuestFsObjInfo> pFsObjInfo;
                HRESULT hr2 = pFsObjInfo.createObject();
                if (FAILED(hr2))
                    rc = VERR_COM_UNEXPECTED;

                if (RT_SUCCESS(rc))
                    rc = pFsObjInfo->init(objData);

                if (RT_SUCCESS(rc))
                {
                    /* Return info object to the caller. */
                    hr2 = pFsObjInfo.queryInterfaceTo(aInfo);
                    if (FAILED(hr2))
                        rc = VERR_COM_UNEXPECTED;
                }
            }
        }
        else
        {
            /* Nothing to read anymore. Tell the caller. */
            rc = VERR_NO_MORE_FILES;
        }
    }

    HRESULT hr = S_OK;

    if (RT_FAILURE(rc)) /** @todo Add more errors here. */
    {
        switch (rc)
        {
            case VERR_ACCESS_DENIED:
                hr = setError(VBOX_E_IPRT_ERROR, tr("Reading directory \"%s\" failed: Unable to read / access denied"),
                              mData.mName.c_str());
                break;

            case VERR_PATH_NOT_FOUND:
                hr = setError(VBOX_E_IPRT_ERROR, tr("Reading directory \"%s\" failed: Path not found"),
                              mData.mName.c_str());
                break;

            case VERR_NO_MORE_FILES:
                hr = setError(VBOX_E_OBJECT_NOT_FOUND, tr("No more entries for directory \"%s\""),
                              mData.mName.c_str());
                break;

            default:
                hr = setError(VBOX_E_IPRT_ERROR, tr("Error while reading directory \"%s\": %Rrc\n"),
                              mData.mName.c_str(), rc);
                break;
        }
    }

    LogFlowFuncLeaveRC(rc);
    return hr;
#endif /* VBOX_WITH_GUEST_CONTROL */
}

int NetIfCreateHostOnlyNetworkInterface(VirtualBox *pVirtualBox,
                                        IHostNetworkInterface **aHostNetworkInterface,
                                        IProgress **aProgress,
                                        const char *pcszName)
{
#if defined(RT_OS_LINUX) || defined(RT_OS_DARWIN) || defined(RT_OS_FREEBSD)
    /* create a progress object */
    ComObjPtr<Progress> progress;
    progress.createObject();

    ComPtr<IHost> host;
    HRESULT hrc = pVirtualBox->COMGETTER(Host)(host.asOutParam());
    if (SUCCEEDED(hrc))
    {
        hrc = progress->init(pVirtualBox, host,
                             Bstr("Creating host only network interface").raw(),
                             FALSE /* aCancelable */);
        if (SUCCEEDED(hrc))
        {
            progress.queryInterfaceTo(aProgress);

            char szAdpCtl[RTPATH_MAX];
            int rc = RTPathExecDir(szAdpCtl, sizeof(szAdpCtl) - sizeof("/" VBOXNETADPCTL_NAME " add"));
            if (RT_FAILURE(rc))
            {
                progress->i_notifyComplete(E_FAIL,
                                           COM_IIDOF(IHostNetworkInterface),
                                           HostNetworkInterface::getStaticComponentName(),
                                           "Failed to get program path, rc=%Rrc\n", rc);
                return rc;
            }
            strcat(szAdpCtl, "/" VBOXNETADPCTL_NAME " ");
            if (pcszName && strlen(pcszName) <= RTPATH_MAX - strlen(szAdpCtl) - sizeof(" add"))
            {
                strcat(szAdpCtl, pcszName);
                strcat(szAdpCtl, " add");
            }
            else
                strcat(szAdpCtl, "add");
            if (strlen(szAdpCtl) < RTPATH_MAX - sizeof(" 2>&1"))
                strcat(szAdpCtl, " 2>&1");
            FILE *fp = popen(szAdpCtl, "r");

            if (fp)
            {
                char szBuf[128]; /* We are not interested in long error messages. */
                if (fgets(szBuf, sizeof(szBuf), fp))
                {
                    /* Remove trailing new line characters. */
                    char *pLast = szBuf + strlen(szBuf) - 1;
                    if (pLast >= szBuf && *pLast == '\n')
                        *pLast = 0;

                    if (!strncmp(VBOXNETADPCTL_NAME ":", szBuf, sizeof(VBOXNETADPCTL_NAME)))
                    {
                        progress->i_notifyComplete(E_FAIL,
                                                   COM_IIDOF(IHostNetworkInterface),
                                                   HostNetworkInterface::getStaticComponentName(),
                                                   "%s", szBuf);
                        pclose(fp);
                        return E_FAIL;
                    }

                    size_t cbNameLen = strlen(szBuf) + 1;
                    PNETIFINFO pInfo = (PNETIFINFO)RTMemAllocZ(RT_OFFSETOF(NETIFINFO, szName[cbNameLen]));
                    if (!pInfo)
                        rc = VERR_NO_MEMORY;
                    else
                    {
                        strcpy(pInfo->szShortName, szBuf);
                        strcpy(pInfo->szName, szBuf);
                        rc = NetIfGetConfigByName(pInfo);
                        if (RT_FAILURE(rc))
                        {
                            progress->i_notifyComplete(E_FAIL,
                                                       COM_IIDOF(IHostNetworkInterface),
                                                       HostNetworkInterface::getStaticComponentName(),
                                                       "Failed to get config info for %s (as reported by '" VBOXNETADPCTL_NAME " add')\n", szBuf);
                        }
                        else
                        {
                            Bstr IfName(szBuf);
                            /* create a new uninitialized host interface object */
                            ComObjPtr<HostNetworkInterface> iface;
                            iface.createObject();
                            iface->init(IfName, HostNetworkInterfaceType_HostOnly, pInfo);
                            iface->i_setVirtualBox(pVirtualBox);
                            iface.queryInterfaceTo(aHostNetworkInterface);
                        }
                        RTMemFree(pInfo);
                    }
                    if ((rc = pclose(fp)) != 0)
                    {
                        progress->i_notifyComplete(E_FAIL,
                                                   COM_IIDOF(IHostNetworkInterface),
                                                   HostNetworkInterface::getStaticComponentName(),
                                                   "Failed to execute '" VBOXNETADPCTL_NAME " add' (exit status: %d)", rc);
                        rc = VERR_INTERNAL_ERROR;
                    }
                }
//.........这里部分代码省略.........