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+/*
+
+  This file is a part of JRTPLIB
+  Copyright (c) 1999-2007 Jori Liesenborgs
+
+  Contact: jori.liesenborgs@gmail.com
+
+  This library was developed at the "Expertisecentrum Digitale Media"
+  (http://www.edm.uhasselt.be), a research center of the Hasselt University
+  (http://www.uhasselt.be). The library is based upon work done for 
+  my thesis at the School for Knowledge Technology (Belgium/The Netherlands).
+
+  Permission is hereby granted, free of charge, to any person obtaining a
+  copy of this software and associated documentation files (the "Software"),
+  to deal in the Software without restriction, including without limitation
+  the rights to use, copy, modify, merge, publish, distribute, sublicense,
+  and/or sell copies of the Software, and to permit persons to whom the
+  Software is furnished to do so, subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included
+  in all copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+  IN THE SOFTWARE.
+
+*/
+
+/**
+ * \file rtpaddress.h
+ */
+
+#ifndef RTPADDRESS_H
+
+#define RTPADDRESS_H
+
+#include "rtpconfig.h"
+#include <string>
+
+class RTPMemoryManager;
+
+/** This class is an abstract class which is used to specify destinations, multicast groups etc. */
+class RTPAddress
+{
+public:
+	/** Identifies the actual implementation being used. */
+	enum AddressType 
+	{ 
+		IPv4Address, /**< Used by the UDP over IPv4 transmitter. */
+		IPv6Address, /**< Used by the UDP over IPv6 transmitter. */
+		UserDefinedAddress  /**< Can be useful for a user-defined transmitter. */
+	}; 
+	
+	/** Returns the type of address the actual implementation represents. */
+	AddressType GetAddressType() const				{ return addresstype; }
+
+	/** Creates a copy of the RTPAddress instance.
+	 *  Creates a copy of the RTPAddress instance. If \c mgr is not NULL, the
+	 *  corresponding memory manager will be used to allocate the memory for the address 
+	 *  copy. 
+	 */
+	virtual RTPAddress *CreateCopy(RTPMemoryManager *mgr) const = 0;
+
+	/** Checks if the address \c addr is the same address as the one this instance represents. 
+	 *  Checks if the address \c addr is the same address as the one this instance represents.
+	 *  Implementations must be able to handle a NULL argument.
+	 */
+	virtual bool IsSameAddress(const RTPAddress *addr) const = 0;
+
+	/** Checks if the address \c addr represents the same host as this instance. 
+	 *  Checks if the address \c addr represents the same host as this instance. Implementations 
+	 *  must be able to handle a NULL argument.
+	 */
+	virtual bool IsFromSameHost(const RTPAddress *addr) const  = 0;
+
+#ifdef RTPDEBUG
+	virtual std::string GetAddressString() const = 0;
+#endif // RTPDEBUG
+	
+	virtual ~RTPAddress()						{ }
+protected:
+	// only allow subclasses to be created
+	RTPAddress(const AddressType t) : addresstype(t) 		{ }
+private:
+	const AddressType addresstype;
+};
+
+#endif // RTPADDRESS_H
+