ot_udp.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 ***** */ 

#pragma once

#include "OT_net.h"

class OT_UDP : public OT_net {

	public:

						OT_UDP			(void);
	virtual				~OT_UDP			(void);

	virtual void		done			(void);
	
	virtual HX_RESULT	init			(UINT32		local_addr,
							 UINT16 	port, 
							 UINT16 	blocking=0);
										 
	virtual HX_RESULT	read			(void 		*buf, 
							 UINT16 	*size);

	virtual HX_RESULT	readfrom		(REF(IHXBuffer*)   pBuffer,
							 REF(UINT32)	    ulAddress,
							 REF(UINT16)	    ulPort);
	
	virtual HX_RESULT	write			(void 		*buf,
							 UINT16 	*size) {return HXR_INVALID_OPERATION;};
										 
	virtual HX_RESULT	writeto			(void 		*buf,
							 UINT16 	*size, 
							 ULONG32 	addr,
							 UINT16 	port);

	virtual HX_RESULT	listen			(ULONG32	ulLocalAddr,
							 UINT16		port,
							 UINT16 	backlog,
							 UINT16		blocking,
							 ULONG32	ulPlatform) { return HXR_NOTIMPL; };

	virtual HX_RESULT	connect			(const char	*host, 
							 UINT16 	port,
							 UINT16 	blocking=0,
							 ULONG32	ulPlatform=0 );
										 
	    OSErr 		Create 			(void);


 	    OSErr 		ActiveOpen 		(UINT16 port);


	    OSErr		Cleanup			(void);

	
/* join_multicast_group() has this socket join a multicast group */
	// Note: Only the UDP subclass object supports multicast
	virtual HX_RESULT	join_multicast_group 
	    (ULONG32 addr, ULONG32 if_addr = HX_INADDR_ANY);
	virtual HX_RESULT	leave_multicast_group
	    (ULONG32 addr, ULONG32 if_addr = HX_INADDR_ANY);
	virtual HX_RESULT   set_broadcast(BOOL enable);

	static pascal void 	UDPNotifyProc  		(void *stream, 
	 						 OTEventCode code,
	 						 OTResult result, 
	 						 void *cookie);
	 											    	 
protected:
		void ProcessCmd(OTEventCode code, OTResult result, void* cookie);	 
		char*			m_pInBuffer;
		
		InetAddress	 		mMulticastAddr;
		InetAddress 		mPortAddress;
private:
	BOOL m_bIsBroadcastEnabled;
	};