statinfo.cpp

linux下的一款播放器

/* ***** BEGIN LICENSE BLOCK *****
 * Source last modified: $Id: statinfo.cpp,v 1.8.32.3 2004/07/09 01:45:59 hubbe Exp $
 * 
 * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
 * 
 * The contents of this file, and the files included with this file,
 * are subject to the current version of the RealNetworks Public
 * Source License (the "RPSL") available at
 * http://www.helixcommunity.org/content/rpsl unless you have licensed
 * the file under the current version of the RealNetworks Community
 * Source License (the "RCSL") available at
 * http://www.helixcommunity.org/content/rcsl, in which case the RCSL
 * will apply. You may also obtain the license terms directly from
 * RealNetworks.  You may not use this file except in compliance with
 * the RPSL or, if you have a valid RCSL with RealNetworks applicable
 * to this file, the RCSL.  Please see the applicable RPSL or RCSL for
 * the rights, obligations and limitations governing use of the
 * contents of the file.
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL") in which case the provisions of the GPL are applicable
 * instead of those above. If you wish to allow use of your version of
 * this file only under the terms of the GPL, and not to allow others
 * to use your version of this file under the terms of either the RPSL
 * or RCSL, indicate your decision by deleting the provisions above
 * and replace them with the notice and other provisions required by
 * the GPL. If you do not delete the provisions above, a recipient may
 * use your version of this file under the terms of any one of the
 * RPSL, the RCSL or the GPL.
 * 
 * This file is part of the Helix DNA Technology. RealNetworks is the
 * developer of the Original Code and owns the copyrights in the
 * portions it created.
 * 
 * This file, and the files included with this file, is distributed
 * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY
 * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS
 * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET
 * ENJOYMENT OR NON-INFRINGEMENT.
 * 
 * Technology Compatibility Kit Test Suite(s) Location:
 *    http://www.helixcommunity.org/content/tck
 * 
 * Contributor(s):
 * 
 * ***** END LICENSE BLOCK ***** */

#include "safestring.h"
#include "hxtypes.h"
#include "hxresult.h"
#include "hxcom.h"
#include "hxcomm.h"
#include "hxbuffer.h"
#include "hxmon.h"
#include "hxstrutl.h"
#include "watchlst.h"
#include "statinfo.h"

#include "hxheap.h"
#ifdef _DEBUG
#undef HX_THIS_FILE		
static const char HX_THIS_FILE[] = __FILE__;
#endif

CStatisticEntry::CStatisticEntry(IHXRegistry*    pRegistry,
				 char*		    pszRegKey,
				 UINT32		    ulType)
    : m_bAddKey(FALSE)
    , m_ulRegistryID(0)
    , m_pRegistry(NULL)
    , m_ulType(REG_TYPE_UNKNOWN)
{
    if (pRegistry)
    {
	m_pRegistry = pRegistry;
	m_pRegistry->AddRef();

	m_ulType = ulType;

	/*
	 * Check to see if this Registry ID already exists
         */

	m_ulRegistryID = m_pRegistry->GetId(pszRegKey);

	if (!m_ulRegistryID)
	{
	    m_bAddKey = TRUE;

	    if (REG_TYPE_STRING == ulType)
	    {
		m_ulRegistryID = m_pRegistry->AddStr(pszRegKey, NULL);
	    }
	    else if (REG_TYPE_NUMBER == ulType)
	    {
		m_ulRegistryID = m_pRegistry->AddInt(pszRegKey, 0);
	    }
	    else if (REG_TYPE_COMPOSITE == ulType)
	    {
		m_ulRegistryID = m_pRegistry->AddComp(pszRegKey);
	    }	    
	    else
	    {
		m_ulType = REG_TYPE_UNKNOWN;
		m_ulRegistryID = 0;
	    }
	}
    }
    else
    {
	m_pRegistry = NULL;
	m_ulRegistryID = 0;
    }
}

CStatisticEntry::~CStatisticEntry(void)
{
    if (m_pRegistry)
    {
	if (m_ulRegistryID && m_bAddKey)
	{
	    m_pRegistry->DeleteById(m_ulRegistryID);
	    m_ulRegistryID = 0;
	}

	m_pRegistry->Release();
	m_pRegistry = NULL;
    }
}

HX_RESULT
CStatisticEntry::SetInt(INT32 lValue)
{    
    HX_RESULT	theErr = HXR_OK;

    if (!m_pRegistry || !m_ulRegistryID ||
	(REG_TYPE_NUMBER != m_ulType))
    {
	theErr = HXR_FAILED;
	goto cleanup;
    }

    theErr = m_pRegistry->SetIntById(m_ulRegistryID, lValue);

cleanup:
    
    return theErr;
}

HX_RESULT
CStatisticEntry::SetStr(char* pszValue)
{    
    IHXBuffer*	pValue = NULL;
    HX_RESULT	theErr = HXR_OK;

    if (!m_pRegistry || !m_ulRegistryID ||
	(REG_TYPE_STRING != m_ulType))
    {
	theErr = HXR_FAILED;
	goto cleanup;
    }

    if (NULL == pszValue)
    {
	theErr = m_pRegistry->SetStrById(m_ulRegistryID, NULL);
    }
    else
    {
	if (!(pValue = new CHXBuffer()))
	{
	    theErr = HXR_OUTOFMEMORY;
	    goto cleanup;
	}
	pValue->AddRef();

	pValue->Set((const UCHAR*)pszValue, strlen(pszValue)+1);
	theErr = m_pRegistry->SetStrById(m_ulRegistryID, pValue);

	pValue->Release();
    }

cleanup:
    
    return theErr;
}

INT32
CStatisticEntry::GetInt(void)
{
    INT32	lValue = 0;

    if (!m_pRegistry || !m_ulRegistryID || (REG_TYPE_NUMBER != m_ulType))
    {
	goto cleanup;
    }

    m_pRegistry->GetIntById(m_ulRegistryID, lValue);
   
cleanup:

    return lValue;
}

char*
CStatisticEntry::GetStr(void)
{
    HX_RESULT	theErr = HXR_OK;
    IHXBuffer*	pValue = NULL;
    char*       pszValue = new char[MAX_DISPLAY_NAME];

    if (!pszValue || !m_pRegistry || !m_ulRegistryID || (REG_TYPE_STRING != m_ulType))
    {
	theErr = HXR_UNEXPECTED;
	goto cleanup;
    }

    if (HXR_OK != m_pRegistry->GetStrById(m_ulRegistryID, pValue) || !pValue)
    {
	theErr = HXR_UNEXPECTED;
	goto cleanup;
    }

    SafeStrCpy(pszValue, (const char*)pValue->GetBuffer(), MAX_DISPLAY_NAME);
    
cleanup:

    HX_RELEASE(pValue);

    if (HXR_OK != theErr)
    {
	if (pszValue) delete [] pszValue;
	pszValue = NULL;

	return NULL;
    }

    return pszValue;
}

STATS::STATS(IHXRegistry* /*IN*/  pRegistry,
	     UINT32	     /*IN*/  ulRegistryID)
    : m_pRegistry(NULL)
    , m_ulRegistryID(0)
    , m_bInitialized(FALSE)
    , m_lastError(HXR_OK)
    , m_pNormal(0)
    , m_pRecovered(0)
    , m_pReceived(0)
    , m_pOutOfOrder(0)
    , m_pLost(0)
    , m_pLate(0)
    , m_pDuplicate(0)
    , m_pTotal(0)
    , m_pLost30(0)
    , m_pTotal30(0)
    , m_pResendRequested(0)
    , m_pResendReceived(0)
    , m_pClipBandwidth(0)
    , m_pAvgBandwidth(0)
    , m_pCurBandwidth(0)
    , m_pHighLatency(0)
    , m_pLowLatency(0)
    , m_pAvgLatency(0)
{
    HX_RESULT	theErr = HXR_OK;
    IHXBuffer*	pszParentName = NULL;
    char	szRegKeyName[MAX_DISPLAY_NAME] = {0}; /* Flawfinder: ignore */

    if (!pRegistry)
    {
	goto cleanup;
    }
    
    m_pRegistry = pRegistry;
    m_pRegistry->AddRef();
 
    m_ulRegistryID = ulRegistryID;

    if (HXR_OK == m_pRegistry->GetPropName(m_ulRegistryID, pszParentName))
    {
	SafeSprintf(szRegKeyName, MAX_DISPLAY_NAME, "%s.Normal", pszParentName->GetBuffer());
	if (!(m_pNormal = new CStatisticEntry(m_pRegistry, szRegKeyName, REG_TYPE_NUMBER)))
	{
	    theErr = HXR_OUTOFMEMORY;
	    goto cleanup;
	}

	SafeSprintf(szRegKeyName, MAX_DISPLAY_NAME, "%s.Recovered", pszParentName->GetBuffer());
	if (!(m_pRecovered = new CStatisticEntry(m_pRegistry, szRegKeyName, REG_TYPE_NUMBER)))
	{
	    theErr = HXR_OUTOFMEMORY;
	    goto cleanup;
	}

	SafeSprintf(szRegKeyName, MAX_DISPLAY_NAME, "%s.Received", pszParentName->GetBuffer());
	if (!(m_pReceived = new CStatisticEntry(m_pRegistry, szRegKeyName, REG_TYPE_NUMBER)))
	{
	    theErr = HXR_OUTOFMEMORY;
	    goto cleanup;
	}
	
	SafeSprintf(szRegKeyName, MAX_DISPLAY_NAME, "%s.OutOfOrder", pszParentName->GetBuffer());
	if (!(m_pOutOfOrder = new CStatisticEntry(m_pRegistry, szRegKeyName, REG_TYPE_NUMBER)))
	{
	    theErr = HXR_OUTOFMEMORY;
	    goto cleanup;
	}

	SafeSprintf(szRegKeyName, MAX_DISPLAY_NAME, "%s.Lost", pszParentName->GetBuffer());
	if (!(m_pLost = new CStatisticEntry(m_pRegistry, szRegKeyName, REG_TYPE_NUMBER)))
	{
	    theErr = HXR_OUTOFMEMORY;
	    goto cleanup;
	}

	SafeSprintf(szRegKeyName, MAX_DISPLAY_NAME, "%s.Late", pszParentName->GetBuffer());
	if (!(m_pLate = new CStatisticEntry(m_pRegistry, szRegKeyName, REG_TYPE_NUMBER)))
	{
	    theErr = HXR_OUTOFMEMORY;
	    goto cleanup;
	}

	SafeSprintf(szRegKeyName, MAX_DISPLAY_NAME, "%s.Duplicate", pszParentName->GetBuffer());
	if (!(m_pDuplicate = new CStatisticEntry(m_pRegistry, szRegKeyName, REG_TYPE_NUMBER)))
	{
	    theErr = HXR_OUTOFMEMORY;
	    goto cleanup;
	}

	SafeSprintf(szRegKeyName, MAX_DISPLAY_NAME, "%s.Total", pszParentName->GetBuffer());
	if (!(m_pTotal = new CStatisticEntry(m_pRegistry, szRegKeyName, REG_TYPE_NUMBER)))
	{
	    theErr = HXR_OUTOFMEMORY;
	    goto cleanup;
	}

	SafeSprintf(szRegKeyName, MAX_DISPLAY_NAME, "%s.Lost30", pszParentName->GetBuffer());
	if (!(m_pLost30 = new CStatisticEntry(m_pRegistry, szRegKeyName, REG_TYPE_NUMBER)))
	{
	    theErr = HXR_OUTOFMEMORY;
	    goto cleanup;
	}

	SafeSprintf(szRegKeyName, MAX_DISPLAY_NAME, "%s.Total30", pszParentName->GetBuffer());
	if (!(m_pTotal30 = new CStatisticEntry(m_pRegistry, szRegKeyName, REG_TYPE_NUMBER)))
	{
	    theErr = HXR_OUTOFMEMORY;
	    goto cleanup;
	}

	SafeSprintf(szRegKeyName, MAX_DISPLAY_NAME, "%s.ResendRequested", pszParentName->GetBuffer());
	if (!(m_pResendRequested = new CStatisticEntry(m_pRegistry, szRegKeyName, REG_TYPE_NUMBER)))
	{
	    theErr = HXR_OUTOFMEMORY;
	    goto cleanup;
	}

	SafeSprintf(szRegKeyName, MAX_DISPLAY_NAME, "%s.ResendReceived", pszParentName->GetBuffer());
	if (!(m_pResendReceived = new CStatisticEntry(m_pRegistry, szRegKeyName, REG_TYPE_NUMBER)))
	{
	    theErr = HXR_OUTOFMEMORY;
	    goto cleanup;
	}

	SafeSprintf(szRegKeyName, MAX_DISPLAY_NAME, "%s.ClipBandwidth", pszParentName->GetBuffer());
	if (!(m_pClipBandwidth = new CStatisticEntry(m_pRegistry, szRegKeyName, REG_TYPE_NUMBER)))
	{
	    theErr = HXR_OUTOFMEMORY;
	    goto cleanup;
	}

	SafeSprintf(szRegKeyName, MAX_DISPLAY_NAME, "%s.AverageBandwidth", pszParentName->GetBuffer());
	if (!(m_pAvgBandwidth = new CStatisticEntry(m_pRegistry, szRegKeyName, REG_TYPE_NUMBER)))
	{
	    theErr = HXR_OUTOFMEMORY;
	    goto cleanup;
	}

	SafeSprintf(szRegKeyName, MAX_DISPLAY_NAME, "%s.CurrentBandwidth", pszParentName->GetBuffer());
	if (!(m_pCurBandwidth = new CStatisticEntry(m_pRegistry, szRegKeyName, REG_TYPE_NUMBER)))
	{
	    theErr = HXR_OUTOFMEMORY;
	    goto cleanup;
	}

	SafeSprintf(szRegKeyName, MAX_DISPLAY_NAME, "%s.HighLatency", pszParentName->GetBuffer());
	if (!(m_pHighLatency = new CStatisticEntry(m_pRegistry, szRegKeyName, REG_TYPE_NUMBER)))
	{
	    theErr = HXR_OUTOFMEMORY;
	    goto cleanup;
	}

	SafeSprintf(szRegKeyName, MAX_DISPLAY_NAME, "%s.LowLatency", pszParentName->GetBuffer());
	if (!(m_pLowLatency = new CStatisticEntry(m_pRegistry, szRegKeyName, REG_TYPE_NUMBER)))
	{
	    theErr = HXR_OUTOFMEMORY;
	    goto cleanup;
	}

	SafeSprintf(szRegKeyName, MAX_DISPLAY_NAME, "%s.AverageLatency", pszParentName->GetBuffer());
	if (!(m_pAvgLatency = new CStatisticEntry(m_pRegistry, szRegKeyName, REG_TYPE_NUMBER)))
	{
	    theErr = HXR_OUTOFMEMORY;
	    goto cleanup;
	}
    }
  
cleanup:

    HX_RELEASE(pszParentName);

    if (HXR_OK == theErr)
    {
	m_lastError = HXR_OK;
	m_bInitialized = TRUE;
    }
    else
    {
	m_lastError = theErr;
	m_bInitialized = FALSE;
    }
}

STATS::~STATS()
{
    HX_RELEASE(m_pRegistry);

    HX_DELETE(m_pNormal);
    HX_DELETE(m_pRecovered);
    HX_DELETE(m_pReceived);