networkprotocols/tcpipv4v6prt/inc/addr46.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 26 Jan 2010 15:23:49 +0200
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// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// addr46.h - an extention to TIp6Addr
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//
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/**
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 @internalComponent
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*/
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#ifndef __addr46_H__
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#define __addr46_H__
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#include <in_sock.h>
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//
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// TIp46Addr
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// *********
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// Provides some additional methods for handling
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// both real IPv6 addresses and mangled IPv4 addresses
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// in somewhat uniform way.
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//
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class TIp46Addr : public TIp6Addr
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	{
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public:
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	inline TIp46Addr() {}	// inline to make declaring variable short in code
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	TIp46Addr(const TUint32 aAddr);
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	TIp46Addr(const TInetAddr &aAddr);
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	inline static const TIp46Addr &Cast(const TIp6Addr &aAddr) { return *((TIp46Addr *)&aAddr); }
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	inline static const TIp46Addr &Cast(const TIp6Addr *aAddr) { return *((TIp46Addr *)aAddr); }
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	TBool IsMulticast() const;	// Return TRUE if address is IPv4 or IPv6 multicast
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	TBool IsLinkLocal() const;	// Return TRUE if address is IPv4 or IPv6 linklocal
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	TBool IsUnspecified() const;// Return TRUE if address is :: or ::ffff:0.0.0.0
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	};
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#endif