timebuff.h
上传用户:zhongxx05
上传日期:2007-06-06
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文件大小:4k
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 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
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (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.
- *
- * 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 ***** */
- #ifndef _TIMEBUFF_H_
- #define _TIMEBUFF_H_
- #include "ihxpckts.h"
- #include "hxtbuf.h"
- #include "hxstring.h"
- /****************************************************************************
- *
- * Class:
- *
- * CHXTimeStampedBuffer
- *
- * Purpose:
- *
- * CHXBuffer with a timestamp
- *
- */
- class CHXTimeStampedBuffer : public IHXBuffer, public IHXTimeStampedBuffer
- {
- public:
- /*
- * IUnknown methods
- */
- STDMETHOD(QueryInterface) (THIS_
- REFIID riid,
- void** ppvObj);
- STDMETHOD_(ULONG32,AddRef) (THIS);
- STDMETHOD_(ULONG32,Release) (THIS);
- /* IHXTimeStamped Buffer Methods */
- STDMETHOD_(UINT32,GetTimeStamp)(THIS);
- STDMETHOD(SetTimeStamp)(THIS_
- UINT32 ulTimeStamp);
- private:
- LONG32 m_lRefCount;
- UCHAR* m_pData;
- ULONG32 m_ulLength;
- UINT32 m_ulTimeStamp;
- private:
- ~CHXTimeStampedBuffer();
- PRIVATE_DESTRUCTORS_ARE_NOT_A_CRIME
- public:
- CHXTimeStampedBuffer()
- : m_lRefCount(0)
- , m_pData(NULL)
- , m_ulLength(0)
- , m_ulTimeStamp(0)
- {
- };
- inline CHXTimeStampedBuffer& operator=(const char* psz);
- inline CHXTimeStampedBuffer& operator=(const unsigned char* psz);
- inline CHXTimeStampedBuffer& operator=(const CHXString &str);
-
- /*
- * IHXBuffer methods
- */
- STDMETHOD(Get) (THIS_
- REF(UCHAR*) pData,
- REF(ULONG32) ulLength);
- STDMETHOD(Set) (THIS_
- const UCHAR* pData,
- ULONG32 ulLength);
- STDMETHOD(SetSize) (THIS_
- ULONG32 ulLength);
- STDMETHOD_(ULONG32,GetSize) (THIS);
- STDMETHOD_(UCHAR*,GetBuffer)
- (THIS);
- // serialization method
- static void Pack (IHXTimeStampedBuffer* pTimeStampedBuffer, char* pData,
- UINT32 ulDataBufSize, UINT32& ulSize);
- static void UnPack (IHXTimeStampedBuffer*& pTimeStampedBuffer, char* pData, UINT32 ulSize);
- };
- CHXTimeStampedBuffer& CHXTimeStampedBuffer::operator=(const char* psz)
- {
- Set((const unsigned char*)psz, strlen(psz));
- return(*this);
- }
- CHXTimeStampedBuffer& CHXTimeStampedBuffer::operator=(const unsigned char* psz)
- {
- Set(psz, strlen((const char*)psz));
- return(*this);
- }
- CHXTimeStampedBuffer& CHXTimeStampedBuffer::operator=(const CHXString& str)
- {
- Set((const unsigned char*)(const char *)str, str.GetLength());
- return(*this);
- }
- #endif // _TIMEBUFF_H_