VBoxGuestR3LibStat.cpp revision e6660f4933111b0649ffa77483102881f4e75c3b
/* $Id$ */
/** @file
* VBoxGuestR3Lib - Ring-3 Support Library for VirtualBox guest additions, Statistics.
*/
/*
* Copyright (C) 2007-2010 Sun Microsystems, Inc.
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 USA or visit http://www.sun.com if you need
* additional information or have any questions.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include "VBGLR3Internal.h"
/**
* Query the current statistics update interval.
*
* @returns IPRT status code.
* @param pcMsInterval Update interval in ms (out).
*/
VBGLR3DECL(int) VbglR3StatQueryInterval(PRTMSINTERVAL pcMsInterval)
{
VMMDevGetStatisticsChangeRequest Req;
vmmdevInitRequest(&Req.header, VMMDevReq_GetStatisticsChangeRequest);
Req.eventAck = VMMDEV_EVENT_STATISTICS_INTERVAL_CHANGE_REQUEST;
Req.u32StatInterval = 1;
int rc = vbglR3GRPerform(&Req.header);
if (RT_SUCCESS(rc))
{
*pcMsInterval = Req.u32StatInterval * 1000;
if (*pcMsInterval / 1000 != Req.u32StatInterval)
*pcMsInterval = ~(RTMSINTERVAL)0;
}
return rc;
}
/**
* Report guest statistics.
*
* @returns IPRT status code.
* @param pReq Request packet with statistics.
*/
VBGLR3DECL(int) VbglR3StatReport(VMMDevReportGuestStats *pReq)
{
vmmdevInitRequest(&pReq->header, VMMDevReq_ReportGuestStats);
return vbglR3GRPerform(&pReq->header);
}