// Copyright (c) 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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//+
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#ifndef __IN_ICMP_H__+
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#define __IN_ICMP_H__+
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+
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#include "in_ip.h"+
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+
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class ThdrICMP_Echo+
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{+
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public:+
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	inline static ThdrICMP_Echo* Ptr(ThdrICMP* aHdr);+
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	inline TUint16 NetGetId();+
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	inline void NetSetId(TUint16 aId);+
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	inline TInt GetId();+
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	inline void SetId(TUint16 aId);+
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	inline TUint16 NetGetSeq();+
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	inline void NetSetSeq(TUint16 aSeq);+
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	inline TInt GetSeq();+
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	inline void SetSeq(TUint16 aSeq);+
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protected:+
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	union+
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		{+
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		TUint8	iData8[8];+
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		TUint16	iData16[4];+
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		TUint32	iData32[2];+
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		} u;+
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};+
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+
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+
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// specific for ECHO calls. (id and seq fields)+
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//Net order+
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inline TUint16 ThdrICMP_Echo::NetGetId()+
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	{ return u.iData16[2]; }+
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inline void ThdrICMP_Echo::NetSetId(TUint16 aId)+
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	{ u.iData16[2] = aId; }+
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//Host order+
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inline TInt ThdrICMP_Echo::GetId()+
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	{ +
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	return (u.iData8[4] << 8) + u.iData8[5];}+
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inline void ThdrICMP_Echo::SetId(TUint16 aId)+
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	{+
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		u.iData8[4] = (TUint8)(aId >> 8);+
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		u.iData8[5] = (TUint8)aId;+
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	}+
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//Net order+
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inline TUint16 ThdrICMP_Echo::NetGetSeq()+
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	{ return u.iData16[3]; }+
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inline void ThdrICMP_Echo::NetSetSeq(TUint16 aSeq)+
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	{ u.iData16[3] = aSeq; }+
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//Host order+
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inline TInt ThdrICMP_Echo::GetSeq()+
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	{ return (u.iData8[6] << 8) + u.iData8[7];}+
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inline void ThdrICMP_Echo::SetSeq(TUint16 aSeq)+
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	{+
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		u.iData8[6] = (TUint8)(aSeq >> 8);+
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		u.iData8[7] = (TUint8)aSeq;+
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	}+
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+
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+
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#endif+
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