--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/epoc32/include/udp_hdr.h	Tue Mar 16 16:12:26 2010 +0000
@@ -0,0 +1,115 @@
+// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
+// which accompanies this distribution, and is available
+// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// udp_hdr.h - UDP header structure
+// Defines the basic classes for accessing the header
+// structures within UDP packets.
+//
+
+
+
+/**
+ @file udp_hdr.h
+ @ingroup ip_packet_formats
+ @publishedAll
+ @released
+*/
+
+#ifndef __UDP_HDR_H__
+#define __UDP_HDR_H__
+
+#include <e32def.h>
+#include "in_hdr.h"
+
+/**
+* @addtogroup ip_packet_formats
+* @{
+*/
+
+// TInet6HeaderUPD
+
+class TInet6HeaderUDP
+	/** UDP Header format.
+    * User Datagram Header Format
+	* @verbatim
+Extract from RFC-768
+                                    
+     0      7 8     15 16    23 24    31  
+    +--------+--------+--------+--------+ 
+    |     Source      |   Destination   | 
+    |      Port       |      Port       | 
+    +--------+--------+--------+--------+ 
+    |                 |                 | 
+    |     Length      |    Checksum     | 
+    +--------+--------+--------+--------+ 
+    |                                     
+    |          data octets ...            
+    +---------------- ...                 
+@endverbatim
+	* @publishedAll
+	* @released
+	*/
+	{
+public:
+	inline TInt HeaderLength() const {return 8;}
+	inline static TInt MinHeaderLength() {return 8; }
+	inline static TInt MaxHeaderLength() {return 8; }
+	inline TUint8 *EndPtr() {return i + HeaderLength();}
+	//
+	// Access, Get UDP field values from the packet
+	//
+	inline TUint SrcPort() const
+		{
+		return (i[0] << 8) + i[1];
+		}
+	inline TUint DstPort() const
+		{
+		return (i[2] << 8) + i[3];
+		}
+	inline TInt Length() const
+		{
+		return (i[4] << 8) + i[5];
+		}
+	inline TInt Checksum() const
+		{
+		// Checksum is used in network byte order
+		return *((TUint16 *)&i[6]);
+		}
+	//
+	// Build, Set UDP field value to the packet
+	//
+	inline void SetSrcPort(TUint aPort)
+		{
+		i[0] = (TUint8)(aPort >> 8);
+		i[1] = (TUint8)aPort;
+		}
+	inline void SetDstPort(TUint aPort)
+		{
+		i[2] = (TUint8)(aPort >> 8);
+		i[3] = (TUint8)aPort;
+		}
+	inline void SetLength(TInt aLength)
+		{
+		i[4] = (TUint8)(aLength / 256);
+		i[5] = (TUint8) aLength;
+		}
+	inline void SetChecksum(TInt aSum)
+		{
+		// Checksum is used in network byte order
+		*((TUint16 *)&i[6]) = (TUint16)aSum;
+		}
+private:
+	TUint8 i[8];
+	};
+/** @} */
+#endif