hxopwaveresolv.h

著名的 helix realplayer 基于手机 symbian 系统的 播放器全套源代码

/* ***** 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, 
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 * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
 * 
 * Technology Compatibility Kit Test Suite(s) Location: 
 *    http://www.helixcommunity.org/content/tck 
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 * Contributor(s): 
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 * ***** END LICENSE BLOCK ***** */ 


#ifndef HXOPWAVERESOLV_H
#define HXOPWAVERESOLV_H

#include "hxtypes.h"
#include "hxcom.h"
#include "hxengin.h"
#include "hx_opdns.h"

class HXOpwaveResolver :  public IHXResolver,
                          public OpDNSRequest 

{

public:

    HXOpwaveResolver();
    ~HXOpwaveResolver();


    /*
     *  IUnknown methods
     */

    STDMETHOD(QueryInterface)		(THIS_
									REFIID riid,
									void** ppvObj);

    STDMETHOD_(ULONG32,AddRef)		(THIS);


    STDMETHOD_(ULONG32,Release)		(THIS);


    /*
     *	IHXResolver methods
     */
    STDMETHOD(Init)			(THIS_
							IHXResolverResponse*  pResponse);


    STDMETHOD(GetHostByName)		(THIS_
									const char* pHostName);

    /*
     * OpDNSRequest Callback methods for notification
     */
    virtual void onAddrResult(const ipv4_t *addrs, unsigned numAddrs);
    virtual void onErrorResult();

    /*
     * Local methods
     */
    const char* GetHostName() {return m_psHostname;}

private:


    ULONG32 m_lRefCount;
    IHXResolverResponse* m_pResponse;
    
    char* m_psHostname;

    static UINT32 ubMaxHostNameLen;

    BOOL m_bInitialized;

    HX_RESULT m_dnsStatus;

    int  m_nCurAddrIndex;
    int  m_nNumAddr;

};



#endif /* HXOPWAVERESOLV_H */