--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/networkprotocols/tcpipv4v6prt/inc/udp.h	Tue Jan 26 15:23:49 2010 +0200
@@ -0,0 +1,117 @@
+// 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 "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:
+// udp.h - UDP for IPv6/IPv4
+// UDP Protocol and Provider declarations.
+//
+
+
+
+/**
+ @file udp.h
+ @internalComponent
+*/
+
+#ifndef __UDP_H__
+#define __UDP_H__
+
+#include "in_trans.h"
+#include <udp_hdr.h>
+#include <in_chk.h>
+
+
+const TUint KUdpDefaultRecvBuf =  32768;  //< Default receive window size.
+
+
+typedef TInet6Checksum<TInet6HeaderUDP> TInet6PacketUDP;
+
+
+/**
+UDP protocol implementation.
+
+@internalComponent
+*/
+class CProtocolUDP6 : public CProtocolInet6Transport
+	{
+public:
+	CProtocolUDP6();
+	CProtocolUDP6& operator=(const CProtocolUDP6&);
+	virtual ~CProtocolUDP6();
+	virtual CServProviderBase *NewSAPL(TUint aProtocol);
+	virtual void InitL(TDesC& aTag);
+	virtual void StartL();
+	virtual void Identify(TServerProtocolDesc *) const;
+	//virtual TInt GetOption(TUint level,TUint name,TDes8 &option,CProtocolBase* aSourceProtocol=NULL);
+	//virtual TInt SetOption(TUint level, TUint aName,const TDesC8 &option,CProtocolBase* aSourceProtocol=NULL);
+	virtual TInt Send(RMBufChain& aPDU,CProtocolBase* aSourceProtocol=NULL);
+	virtual void Process(RMBufChain& aPacket, CProtocolBase *aSourceProtocol = NULL);
+	static void Describe(TServerProtocolDesc&);
+
+	TUint RecvBuf() const           { return iRecvBuf; }
+	TUint WaitNif() const           { return iWaitNif; }
+
+private:
+	// Global receive buffer setting read from udp_recv_buf. Can be overridden with socket option.
+	TUint iRecvBuf;
+	
+	// Set if the sender should be blocked to wait for interface startup.
+	TUint iWaitNif:1;
+	};
+
+
+/**
+UDP SAP declaration.
+
+@internalComponent
+*/
+class CProviderUDP6 : public CProviderInet6Transport
+	{
+	friend class CProtocolUDP6;
+
+public:
+	CProviderUDP6(CProtocolInet6Base* aProtocol);
+	virtual ~CProviderUDP6();
+	virtual void InitL();
+	virtual TInt GetOption(TUint level,TUint name,TDes8 &anOption) const;
+	virtual void Ioctl(TUint level,TUint name,TDes8* anOption);
+	virtual void CancelIoctl(TUint aLevel, TUint aName);
+	virtual TInt SetOption(TUint level,TUint name, const TDesC8 &anOption);
+	//virtual void AutoBind() {}
+	virtual TInt SetRemName(TSockAddr &aAddr);
+	virtual void Shutdown(TCloseType option);
+	virtual void Process(RMBufChain& aPacket, CProtocolBase *aSourceProtocol = NULL);
+	virtual void Error(TInt aError, TUint aOperationMask = MSocketNotify::EErrorAllOperations);
+	virtual void CanSend();
+
+	// PRTv1.0 send and receive methods
+	virtual void GetData(TDes8 &aDesc,TUint options,TSockAddr *aAddr=NULL);
+
+	// PRTv1.5 send and receive methods
+	virtual TInt GetData(RMBufChain& aData, TUint aLength, TUint aOptions, TSockAddr* anAddr=NULL);
+
+private:
+	virtual TInt DoWrite(RMBufSendPacket &aPacket, RMBufSendInfo &aInfo, TUint aOptions, TUint aOffset); 
+	virtual TInt Recv(TDualBufPtr& aBuf, TUint aLength, TUint aOptions, TSockAddr* anAddr=NULL);
+
+	CProtocolUDP6* Protocol() const { return (CProtocolUDP6*)iProtocol; }
+    
+	RMBufAllocator iBufAllocator;
+	RMBufPktQ iSockInQ;				//< Queue for incoming packets.
+	RMBufSendPacket iSockOutBuf;	//< Stores the last outgoing packet.
+	TUint iSockOutOffset;			//< Offset to the UDP header in iSockOutBuf.
+	TUint iSockInQLen;				//< Current input queue length in bytes.
+	TUint iSockInBufSize;			//< Buffer size for storing inbound data.
+	};
+
+
+#endif