ot_udp.h

linux下的一款播放器

/* ***** BEGIN LICENSE BLOCK *****
 * Source last modified: $Id: ot_udp.h,v 1.1.1.1.50.1 2004/07/09 02:06:38 hubbe Exp $
 * 
 * Portions Copyright (c) 1995-2004 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 (the "RPSL") available at
 * http://www.helixcommunity.org/content/rpsl unless you have licensed
 * the file under the current version of the RealNetworks Community
 * Source License (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.
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL") in which case the provisions of the GPL are applicable
 * instead of those above. If you wish to allow use of your version of
 * this file only under the terms of the GPL, and not to allow others
 * to use your version of this file under the terms of either the RPSL
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 * the GPL. If you do not delete the provisions above, a recipient may
 * use your version of this file under the terms of any one of the
 * RPSL, the RCSL or the GPL.
 * 
 * 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
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 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET
 * ENJOYMENT OR NON-INFRINGEMENT.
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 * 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 ***** */

#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;
	};