httpfsys.h

linux下的一款播放器

    STDMETHOD(WriteReady)	(THIS_
    				HX_RESULT		status);

    STDMETHOD(Closed)		(THIS_
				HX_RESULT		status);


    /*
     * IHXRequestHandler methods
     */
    /************************************************************************
     *	Method:
     *	    IHXRequestHandler::SetRequest
     *	Purpose:
     *	    Associates an IHXRequest with an object
     */
    STDMETHOD(SetRequest)   	(THIS_
			    	IHXRequest*        /*IN*/  pRequest);

    /************************************************************************
     *	Method:
     *	    IHXRequestHandler::GetRequest
     *	Purpose:
     *	    Gets the IHXRequest object associated with an object
     */
    STDMETHOD(GetRequest)   	(THIS_
			    	REF(IHXRequest*)  /*OUT*/  pRequest);



    /**************************
	IHXTimeoutSettings
    ***************************/


    /************************************************************************
     *	Method:
     *	    IHXTimeSettings::Get/SetConnnectionTimeout
     *	Purpose:
     *	    Get/Set the connection timeout setting, in seconds
     */
    STDMETHOD(GetConnectionTimeout) (THIS_
			    	      REF(UINT32)   /*OUT*/ nSeconds);
    STDMETHOD(SetConnectionTimeout) (THIS_
			    	      UINT32	    /*OUT*/ nSeconds);

    /************************************************************************
     *	Method:
     *	    IHXTimeSettings::Get/SetServerTimeout
     *	Purpose:
     *	    Get/Set the server timeout setting, in seconds
     */
    STDMETHOD(GetServerTimeout) (THIS_
			    	      REF(UINT32)   /*OUT*/ nSeconds);
    STDMETHOD(SetServerTimeout) (THIS_
			    	      UINT32	    /*OUT*/ nSeconds);

    /************************************************************************
     *	Method:
     *	    IHXHTTPRedirect::Init
     *	Purpose:
     *	    Initialize the response object
     */
    STDMETHOD(Init)	    (THIS_
			     IHXHTTPRedirectResponse* pRedirectResponse);

    /************************************************************************
     *	Method:
     *	    IHXHTTPRedirect::SetResponseObject
     *	Purpose:
     *	    Initialize the response object w/o calling Init
     */
    STDMETHOD(SetResponseObject) (THIS_
			          IHXHTTPRedirectResponse* pRedirectResponse);


    // IHXClientAuthResponse
    STDMETHODIMP ResponseReady
    (
	HX_RESULT   HX_RESULTStatus,
	IHXRequest* pIHXRequestResponse
    );

    // Support for cache
    STDMETHOD_ (IHXBuffer*, CreateBufferFromValues)     (THIS_ IHXValues /*IN*/ *pHeaderValues);
    STDMETHOD_ (IHXValues*, CreateValuesFromBuffer)     (THIS_ IHXBuffer *pBuffer);
    STDMETHOD_ (void,        CacheSupport_OpenFile)      (THIS);
    STDMETHOD_ (void,        CacheSupport_InitObject)    (THIS);
    STDMETHOD_ (void,        CacheSupport_ReadDone)      (THIS);
    STDMETHOD_ (void,        CacheSupport_HandleSuccess) (THIS_ HTTPResponseMessage* pMessage);
    STDMETHOD  (ProcessCacheCompletions)                 (THIS_ BOOL bRedirected);

    // Support for autostreaming
    STDMETHOD_( void, SetDestinationFile) ( THIS_ const char *pFilename );

    /*
     *  IHXProxyAutoConfigCallback methods
     */
    /************************************************************************
    *  Method:
    *      IHXProxyAutoConfigCallback::GetProxyInfoDone
    *  Purpose:
    */
    STDMETHOD(GetProxyInfoDone)	    (THIS_
				    HX_RESULT   status,
				    char*	pszProxyInfo);

private:

    HX_RESULT	    _OpenFileExt	();
    HX_RESULT	    BeginGet		(ULONG32 ulOffsetStart=0);
    const char*	    GetActualHost	() const;
    const char*	    GetActualResource	() const;
    HX_RESULT	    GetUserAgent	(REF(IHXBuffer*) pBuffer);
    int		    GetActualPort	() const;
    HX_RESULT	    ProcessPendingReads	(void);
    void	    AddNoCacheHeader	();
    BOOL	    IsLiveStream	(const char* pMimeType);

    HX_RESULT       _SendAuthentication(IHXValues* pValues);

    HX_RESULT       _HandleSuccess
		            (
			        HTTPResponseMessage*    pMessage, 
			        IHXBuffer*              pBuffer,
                    UINT32                  ulHeaderLength
		            );
    HX_RESULT	    _HandleFail(UINT32 ulHTTPError);
    HX_RESULT	    _HandleUnAuthorized(HTTPResponseMessage* pMessage);
    HX_RESULT	    _HandleRedirect(HTTPResponseMessage* pMessage);
    
    HX_RESULT	    _EnsureThatWeAreReadingWisely();
    
    HX_RESULT	    _HandleByteRangeSeek(ULONG32 ulSeekLocation);

    void	    CallReadDone(HX_RESULT status, IHXBuffer* pBuffer);


    // Support for cookie mangling
    HX_RESULT	    MangleAllSetCookies	    (IHXRequest* pRequest);
    HX_RESULT	    MangleSetCookie	    (IHXBuffer* pInput,
					     REF(IHXBuffer*) pOutput);
    HX_RESULT	    StoreMangledCookie	    (char* pCookie);
    HX_RESULT	    UnmangleAllCookies	    (IHXRequest* pRequest);
    HX_RESULT	    UnmangleCookie	    (char* pCookie, 
					     UINT32 ulCookieLen, 
					     REF(IHXBuffer*) pDomain,
					     REF(BOOL) bIsDomain,
					     REF(IHXBuffer*) pPath);
    HX_RESULT	    CompareDomains	    (IHXBuffer* pURLHost, 
					     IHXBuffer* pTestDomain, 
					     BOOL bIsDomain);
    HX_RESULT	    ComparePaths	    (IHXBuffer* pURLPath, 
					     IHXBuffer* pTestPath);
    HX_RESULT	    GetHostAndPath	    (IHXRequest* pRequest,
					     REF(IHXBuffer*) pHostStr,
					     REF(IHXBuffer*) pPathStr);
    HX_RESULT	    DePerplexBuffer	    (IHXBuffer* pInput, 
					     REF(IHXBuffer*) pOutput);


    // Error reporting
    void	    ReportConnectionFailure ();
    void	    ReportConnectionTimeout ();
    void	    ReportServerTimeout	    ();
    void	    ReportDocumentMissing   ();
    void	    ReportGeneralFailure    ();

    HX_RESULT	    DecodeChunkedEncoding(HTTPChunkedEncoding*&	pChunkedEncoding, 
					  const char*		pChunk, 
					  int			l);

    friend class HTTPFileObjCallback;
    friend class HTTPTCPResponse;

    HX_RESULT			m_LastError;

    IHXCommonClassFactory*	m_pCommonClassFactory;
    IHXPreferences*		m_pPreferences;
    IHXScheduler*		m_pScheduler;
    IHXRegistry*		m_pRegistry;
    IHXErrorMessages*		m_pErrorMessages;
    IHXHTTPRedirectResponse*	m_pRedirectResponse;
    IHXCookies*		m_pCookies;
    IHXCookies2*		m_pCookies2;
    IHXProxyAutoConfig*	m_pPAC;
    CHXSimpleList*		m_pPACInfoList;
    LISTPOSITION		m_PACInfoPosition;
    BOOL			m_bOnServer;
    IUnknown*			m_pContext;
    IHXValues*			m_pOptions;

    IHXInterruptState* m_pInterruptState;
    
#ifdef _MACINTOSH    
    IHXBuffer*			m_pReadDoneBuffer;
    HX_RESULT			m_uReadDoneStatus;
    BOOL				m_bReadDoneToBeProcessed;
#endif

    BOOL			m_bMimeResponsePending;
    IHXFileMimeMapperResponse* m_pMimeMapperResponse;

    BOOL			m_bFileExistsResponsePending;
    IHXFileExistsResponse*	m_pFileExistsResponse;

    BOOL			m_bStatPending;
    IHXFileStatResponse*	m_pFileStatResponse;

    BOOL			m_bInitResponsePending;
    IHXFileResponse*		m_pFileResponse;

    IHXFileSystemObject*	m_pFileSystem;

    BOOL			m_bTCPReadPending;
    HTTPTCPResponse*		m_pTCPResponse;

    char*			m_szBaseURL;

    char*			m_pFilename;
    char*			m_pPath;
    char*			m_pHost;
    ULONG32			m_ulFlags;
    IHXRequest*		m_pRequest;
    IHXValues*			m_pRequestHeadersOrig;
    IHXValues*			m_pParams;

    IHXBuffer*			m_pLanguage; // suggested content lang
    
    BOOL			m_bAuthorized;
    DECLARE_SMART_POINTER
    (
	IHXClientAuthConversation
    )				m_spClientAuthConversationAuthenticator;

    HTTPFileObjCallback*	m_pCallback;

    BOOL			m_bSeekPending;
    BOOL			m_bInitPending;
    BOOL			m_bGetProxyInfoPending;

    BOOL			m_bInitialized;
    BOOL			m_bInDestructor;

    UINT16			m_uDataLength;
    char*			m_pData;

    ULONG32			m_ulCurrentReadPosition;

#if defined(HELIX_FEATURE_HTTP_GZIP)
    CDecoder*			m_pDecoder;
#else
    void*                       m_pDecoder;
#endif
    CChunkyRes*			m_pChunkyRes;
    
    BOOL			m_bSupportsByteRanges;
    BOOL                        m_bDisableByteRanges;
    BOOL			m_bExternalByteRangeRequests;
    ULONG32			m_uByteRangeSeekOffset;
    BOOL			m_bByteRangeSeekPending;
    BOOL			m_bCheckingWhetherByteRangeWorks;
    BOOL			m_bServerPresumablyWorksWithByteRangeRequests;
    
    CHXSimpleList		m_PendingReadList;
    static CHXSimpleList	zm_pList;

    int				m_nPort;

    UINT32			m_nRequestTime; // for time-outs waiting for a read to complete
    BOOL			m_bSocketReadTimeout;
    
    UINT32			m_nConnTimeout;
    UINT32			m_nServerTimeout;
    BOOL			m_bDisableConnectionTimeOut;
    BOOL			m_bConnTimedOut;

    BOOL			m_bMangleCookies;
    IHXBuffer*      m_pMangledCookies;
    BOOL            m_bShoutcast;
    BOOL            m_bConvertFailedSeeksToLinear;

    /**************************/
    /* These member variables need to go in a struct
     * if we wanna keep HTTP connection and related downloaded
     * stuff live after the http object is destroyed.
     * This is needed in the case when the first ff plug-in realizes
     * that the file is not of its type and we then load the next
     * related plug-in which then connects to the same URL. We do not
     * want to start downloading from scratch and instead want to use data
     * that had been dowloaded during the lifetime of earlier plug-in
     */
    IHXTCPSocket*		m_pSocket;

    BOOL			m_bHTTP1_1;

    BOOL			m_bConnectDone;
    BOOL			m_bWriteDone;
    BOOL			m_bReadHeaderDone;
    BOOL			m_bReadContentsDone;

    BOOL			m_bKnowContentSize;
    ULONG32			m_nContentSize;
    BOOL			m_bEncoded;
    
    BOOL			m_bChunkedEncoding;
    HTTPChunkedEncoding*	m_pChunkedEncoding;

    ULONG32			m_nContentRead;

    UINT16			m_nTotalRequestSize;
    UINT16			m_nRequestWritten;

    ULONG32			m_nHeaderRead;

    CHXString			m_strHost;
    CHXString			m_strRequest;
    CHXString			m_strResource;
    CHXString			m_strMimeType;

    BOOL 			m_bUseProxy;
    CHXString			m_strProxyHost;
    CHXString			m_strProxyResource;
    int				m_nProxyPort;

    UINT16			m_uMaxRecursionLevel;
    UINT16			m_uRecursionCount;
    BOOL			m_bInReadDone;

    // Support for cache    
    UINT32         m_ulCreateTime;      
    UINT32         m_ulExpiryTime;
    UINT32         m_ulLastModTime;
    
    BOOL           m_bCacheEnabled;
    UINT32         m_ulCacheMaxSize;
    IHXBuffer*    m_pCacheFile;
    UINT32         m_ulCutOffDate;

    BOOL           m_bCached;
    CCacheEntry*   m_pCacheEntry;             
    IHXBuffer*    m_pReadBuffer;
    BOOL           m_bReadPending;          // Data available, ReadDone sked'd 
    BOOL           m_bMirroredServers;      // Cache ignores leftmost label in domain 

    // Support for saving streamed files
    BOOL			m_bSaveToFile;
    CHXString			m_SaveFileName;
    ULONG32			m_ulOffset;

    // HTTP POST support.
    UINT32 			m_nPostDataSize;
    // Resume support. 
    BOOL			m_bPartialData;
    
    BOOL			m_bUseHTTPS;
    BOOL                        m_bClosed;

    char*                       m_pLastHeader;
    UINT32                      m_ulLastHeaderSize;
};


class HTTPFileObjCallback : public CUnknownIMP,
			    public IHXCallback
{
    DECLARE_UNKNOWN(HTTPFileObjCallback)
public:
    HTTPFileObjCallback();

    void InitObject(CHTTPFileObject* pFileObject);

    /*
     *	IHXCallback methods
     */
    STDMETHOD(Func) (THIS);

private:
    ~HTTPFileObjCallback();

    PRIVATE_DESTRUCTORS_ARE_NOT_A_CRIME

    friend class CHTTPFileObject;

    CHTTPFileObject*	    m_HTTPFileObject;
    BOOL		    m_bCallbackPending;
    ULONG32		    m_ulPendingCallbackID;
};

class HTTPTCPResponse : public CUnknownIMP,
			public IHXTCPResponse
{
    DECLARE_UNKNOWN(HTTPTCPResponse)
public:

    HTTPTCPResponse();
    ~HTTPTCPResponse();

    void InitObject(CHTTPFileObject* pOwner);

    /*
     *	IHXTCPResponse methods
     */

    STDMETHOD(ConnectDone)	(THIS_
				 HX_RESULT		status);

    STDMETHOD(ReadDone)		(THIS_
				HX_RESULT		status,
				IHXBuffer*		pBuffer);

    STDMETHOD(WriteReady)	(THIS_
    				HX_RESULT		status);

    STDMETHOD(Closed)		(THIS_
				HX_RESULT		status);
protected:
    LONG32			m_lRefCount;
    CHTTPFileObject*		m_pOwner;

    friend class CHTTPFileObject;
};

#endif // _HTTPFSYS_H_