commands/ping/in_icmp.h
changeset 0 7f656887cf89
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/commands/ping/in_icmp.h	Wed Jun 23 15:52:26 2010 +0100
@@ -0,0 +1,72 @@
+// Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+#ifndef __IN_ICMP_H__
+#define __IN_ICMP_H__
+
+#include "in_ip.h"
+
+class ThdrICMP_Echo
+{
+public:
+	inline static ThdrICMP_Echo* Ptr(ThdrICMP* aHdr);
+	inline TUint16 NetGetId();
+	inline void NetSetId(TUint16 aId);
+	inline TInt GetId();
+	inline void SetId(TUint16 aId);
+	inline TUint16 NetGetSeq();
+	inline void NetSetSeq(TUint16 aSeq);
+	inline TInt GetSeq();
+	inline void SetSeq(TUint16 aSeq);
+protected:
+	union
+		{
+		TUint8	iData8[8];
+		TUint16	iData16[4];
+		TUint32	iData32[2];
+		} u;
+};
+
+
+// specific for ECHO calls. (id and seq fields)
+//Net order
+inline TUint16 ThdrICMP_Echo::NetGetId()
+	{ return u.iData16[2]; }
+inline void ThdrICMP_Echo::NetSetId(TUint16 aId)
+	{ u.iData16[2] = aId; }
+//Host order
+inline TInt ThdrICMP_Echo::GetId()
+	{ 
+	return (u.iData8[4] << 8) + u.iData8[5];}
+inline void ThdrICMP_Echo::SetId(TUint16 aId)
+	{
+		u.iData8[4] = (TUint8)(aId >> 8);
+		u.iData8[5] = (TUint8)aId;
+	}
+//Net order
+inline TUint16 ThdrICMP_Echo::NetGetSeq()
+	{ return u.iData16[3]; }
+inline void ThdrICMP_Echo::NetSetSeq(TUint16 aSeq)
+	{ u.iData16[3] = aSeq; }
+//Host order
+inline TInt ThdrICMP_Echo::GetSeq()
+	{ return (u.iData8[6] << 8) + u.iData8[7];}
+inline void ThdrICMP_Echo::SetSeq(TUint16 aSeq)
+	{
+		u.iData8[6] = (TUint8)(aSeq >> 8);
+		u.iData8[7] = (TUint8)aSeq;
+	}
+
+
+#endif