netchck.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, 
 * 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 _NETCHCK_H
#define _NETCHCK_H

#include "xnetchck.h"
#include "hxengin.h"




class CHXNetCheck : public XHXNetCheck, public IHXTCPResponse
{
public:
    CHXNetCheck(UINT32 timeout = 30000);
    virtual ~CHXNetCheck();

    BOOL FInternetAvailable(BOOL fPing = FALSE,BOOL fProxy=FALSE);
    BOOL Ping(const char *szHostName, UINT16 nPort, BOOL fAsynchronous);
    BOOL SmartPing();
    void SleepWell(ULONG32 ulInterval);
    
    HX_RESULT Init(IUnknown *pContext);

    /*
     *  IUnknown methods
     */
    STDMETHOD(QueryInterface) (THIS_
                               REFIID riid,
                               void** ppvObj);
    STDMETHOD_(ULONG32,AddRef) (THIS);
    STDMETHOD_(ULONG32,Release) (THIS);

    /*
     *  IHXTCPResponse methods
     */

    /************************************************************************
     *  Method:
     *      IHXTCPResponse::ConnectDone
     *  Purpose:
     *      A Connect operation has been completed or an error has occurred.
     */
    STDMETHOD(ConnectDone) (THIS_
                            HX_RESULT status);

    /************************************************************************
     *  Method:
     *      IHXTCPResponse::ReadDone
     *  Purpose:
     *      A Read operation has been completed or an error has occurred.
     *      The data is returned in the IHXBuffer.
     */
    STDMETHOD(ReadDone) (THIS_
                         HX_RESULT status,
                         IHXBuffer* pBuffer);
    
    /************************************************************************
     *  Method:
     *      IHXTCPResponse::WriteReady
     *  Purpose:
     *      This is the response method for WantWrite.
     *      If HX_RESULT is ok, then the TCP channel is ok to Write to.
     */
    STDMETHOD(WriteReady) (THIS_
                           HX_RESULT status);
    
    /************************************************************************
     *  Method:
     *      IHXTCPResponse::Closed
     *  Purpose:
     *      This method is called to inform you that the TCP channel has
     *      been closed by the peer or closed due to error.
     */
    STDMETHOD(Closed) (THIS_
                       HX_RESULT status);
    

protected:


    IHXNetworkServices* m_phxNetServices;
    IHXTCPSocket*       m_phxTCPSocket;
    LONG32              m_lRefCount;
    IUnknown*           m_pContext;
    BOOL                m_fConnected;
    BOOL                m_fFailed;

};

#endif //_NETCHCK_H