--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/networkprotocols/iphook/inhook6example/inc/exaout.h	Tue Jan 26 15:23:49 2010 +0200
@@ -0,0 +1,123 @@
+// 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:
+// exaout.h - outbound plugin example protocol module (dummy)
+//
+
+#ifndef __EXAOUT_H
+#define __EXAOUT_H
+/**
+* @file exaout.h
+* Outbound plugin example protocol module (dummy).
+* @internalComponent
+*/
+
+#include <posthook.h>
+
+/**
+* @name The exaout identification
+*
+* The protocol is identified by (address family, protocol number). This
+* should be unique among all protocols known to the socket server.
+*
+* Unfortunately there are no rules or registration for these values, and
+* the protocol writer just has to pick a combination that is supposed to
+* be unique.
+*
+* In this example, neither of these values have any significance to the
+* implementation. Any values will work.
+* @{
+*/
+/** The address family constant. Use the UID value of this protocol module. */
+const TUint KAfExaout			= 0x10000942;
+/** The protocol number. Because the family is unique, 1000 should not confuse anyone. */
+const TUint KProtocolExaout	= 1000;
+/** @} */
+
+class CExaoutFlowInfo;
+
+class CProtocolExaout : public CProtocolPosthook
+	/**
+	* A protocol plugin for outbound flows.
+	*
+	* This is a minimal definition for a protocol plugin class
+	* (hook), which wants to attach outbound flows to monitor or
+	* modify the packets.
+	*/
+	{
+public:
+	CProtocolExaout();
+	virtual ~CProtocolExaout();
+
+	// CProtocolBase
+	virtual void Identify(TServerProtocolDesc *aDesc) const;
+
+	// CProtocolPosthook
+	virtual void NetworkAttachedL();
+	virtual void NetworkDetached();
+
+	//Outbound Flow
+	virtual MFlowHook *OpenL(TPacketHead& /*aHead*/, CFlowContext *aFlow);
+
+	// ProtocolModule glue
+	static void Describe(TServerProtocolDesc& anEntry);
+private:
+	TDblQue<CExaoutFlowInfo>	iFlowList;
+	};
+
+class CExaoutFlowInfo : public CBase, public MFlowHook
+	/**
+	* An internal flow context within the plugin.
+	*
+	* The exaout example plugin attaches an instance of
+	* this internal  context to each outbound flow.
+	* A per flow instance is required, if the plugin
+	* needs to maintain own flow specific context.
+	*
+	* The exadump is an alternative example for a plugin
+	* which does not need any flow specific context.
+	*/
+	{
+public:
+	CExaoutFlowInfo(CFlowContext &aFlow);
+	virtual ~CExaoutFlowInfo();
+
+	virtual void Open();
+	virtual TInt ReadyL(TPacketHead &);
+	virtual TInt ApplyL(RMBufSendPacket &, RMBufSendInfo &);
+	virtual void Close();
+
+	/**
+	* The flow context. This is a direct reference to the
+	* object inside the TCP/IP stack. Be careful with it!
+	*/ 
+	CFlowContext&		iFlow;
+
+	/**
+	* A back pointer to the protocol itself.
+	* NULL, if not attaced to the protocol (via iDLink)
+	*/
+	CProtocolExaout*	iMgr;
+
+	/**
+	* Object reference count. This object is automaticly
+	* deleted when the last reference disappears. (This is
+	* the required from MFlowHook)
+	*/
+	TInt				iRefs;
+	/** Links context information together. The head is in CProtocolExaout. */
+	TDblQueLink			iDLink;
+	static const TInt	iOffset;
+	};
+
+#endif