diff -r 000000000000 -r 1bce908db942 natplugins/natpnatfwsdpprovider/inc/nspactionset.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/natplugins/natpnatfwsdpprovider/inc/nspactionset.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,250 @@
+/*
+* Copyright (c) 2007 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:  State machine actions set.
+*
+*/
+
+#ifndef NSPACTIONSET_H
+#define NSPACTIONSET_H
+
+#include <e32base.h>
+#include "nsppluginreturndef.h"
+#include "mnatfwconnectivityobserver.h"
+#include "nspsession.h"
+
+class CSdpDocument;
+
+/**
+ *  State machine action set.
+ *
+ *  Class implements actions that are executed in certain states.
+ *  Each action is atomic.
+ *
+ *  @lib natfwsdpprovider.dll
+ *  @since S60 3.2
+ */
+class TNSPActionSet
+    {
+public: // Constructors and destructor
+
+    /**
+     * Default C++ constructor.
+     *
+     * @since       S60 3.2
+     * @param       aSession            Session object reference.
+     */
+    TNSPActionSet( CNSPSession& aSession );
+
+
+public: // New functions
+
+    /**
+     * Method is used to create NATFW streams according to the sdp document.
+     * 
+     * @since       S60 3.2
+     * @param       aDoc                Sdp document reference.
+     * @return		Returns 'KNatAsync' if streams were created,
+     * 				otherwise 'KNatReady'.
+     */
+    TNatReturnStatus CreateStreamsL( CSdpDocument& aDoc );
+    
+    /**
+     * Method is used to remove NATFW streams according to the sdp document.
+     * 
+     * @since       S60 3.2
+     * @param       aDoc                Sdp document reference.
+     * @return		Returns 'KNatAsync' if streams were removed,
+     * 				otherwise 'KNatReady'.
+     */
+    TNatReturnStatus RemoveStreamsL( CSdpDocument& aDoc );
+    
+    /**
+     * Method is used to control NATFW streams.
+     * 
+     * @since		S60 3.2
+     * @param		aStreamId			Stream identifier.
+     * @param		aEvent				Stream event.
+     * @param		aError				Error code for specific stream, and event.
+     * @param		aData				Event specific data.
+     * @return		Returns 'KNatReady' if media is ready, otherwise 'KNatAsync' or 
+     * 				error code is returned.
+     */
+    TNatReturnStatus ControlMediaL( TUint aStreamId,
+    		MNATFWConnectivityObserver::TNATFWConnectivityEvent aEvent,
+    		TInt aError, TAny* aData );
+    
+    /**
+     * Method is used to modify Sdp document which is sent to the session peer.
+     * This method also adds NAT protocol specific attributes to Sdp document.
+     * 
+     * @since       S60 3.2
+     * @param       aDoc                Sdp document reference.
+     * @param       aStoreSdp           Flag indicating whether to clone given Sdp.
+     */
+    void FirstRoundL( CSdpDocument& aDoc, TBool aStoreSdp = ETrue );
+    
+    /**
+     * Method is used to modify Sdp document which is sent to the session peer.
+     * 
+     * @since       S60 3.2
+     * @param       aDoc                Sdp document reference.
+     */
+    void LatterRoundL( CSdpDocument& aDoc );
+
+    /**
+     * Method is used to modify Sdp document which is given to the local host.
+     * 
+     * @since       S60 3.2
+     * @param       aDoc                Sdp document reference.
+     */
+    void LocalRoundL( CSdpDocument& aDoc );
+    
+    /**
+     * Method is used to check the need of update, and to generate new offer,
+     * if updated O/A exchange is needed.
+     *
+     * @since       S60 3.2
+     * @param       aDoc                Sdp document reference, local media desc.
+     */
+    void UpdateRoundL( CSdpDocument& aDoc );
+    
+    /**
+     * Method is used to retrieve ice - credentials from the given Sdp document.
+     * Return status informs whether credentials have changed.
+     * 
+     * @since       S60 3.2
+     * @param       aDoc                Sdp document reference.
+     * @return      KNatAsync if credentials changed in some level.
+     *              KNatReady otherwise.
+     */
+    TNatReturnStatus GetCredentialsL( CSdpDocument& aDoc );
+    
+    /**
+     * Method is used to retrieve ice - candidates from the given Sdp document.
+     * Return status informs whether candidates have changed.
+     * 
+     * @since       S60 3.2
+     * @param       aDoc                Sdp document reference.
+     * @return      KNatAsync if candidates changed in some level.
+     *              KNatReady otherwise.
+     */
+    TNatReturnStatus GetCandidatesL( CSdpDocument& aDoc );
+    
+    /**
+     * This method is used to check session modifiers that affect on ICE 
+     * role, and ICE processing in general
+     * 
+     * @since       S60 3.2
+     * @param       aDoc                Session Sdp document object.
+     * @param       aRole               Role of the document.
+     * @return      Nat status, if asynchronous processing needed,
+     *              KNatAsync is returned. Otherwise KNatReady.
+     */
+    TNatReturnStatus GetSessionModifiersL( CSdpDocument& aDoc,
+            CNSPSession::TSdpRole aRole = CNSPSession::EUndefined );
+    
+    /**
+     * Method is used to retrieve transport addresses from m/c -lines,
+     * from the given Sdp document. Return status informs if any changes were made.
+     * 
+     * @since       S60 3.2
+     * @param       aDoc                Sdp document reference.
+     * @return      KNatAsync if modifiers changed in some level.
+     *              KNatReady otherwise.
+     */
+    TNatReturnStatus GetSessionConnInfoL( CSdpDocument& aDoc );
+    
+    /**
+     * Method is used to remove Ice candidates & remove Ice strings.
+     * 
+     * @since       S60 3.2
+     */
+    void RestartWithoutIce();
+    
+    /**
+     * Method is used to load the correct plugin in NATFW.
+     * 
+     * @since       S60 3.2
+     */
+    void LoadPluginL();
+    
+    /**
+     * Method is used to activate sending/receiving in external NATFW's socket.
+     * 
+     * @since       S60 3.2
+     * @param       aDoc                Sdp document reference.
+     */
+    void ActivateL( CSdpDocument& aDoc );
+    
+    /**
+     * Method is used to deactivate sending/receiving in external NATFW's socket.
+     * 
+     * @since       S60 3.2
+     */
+    void DeActivateL();
+    
+    /**
+     * Method is used to initiate local candidate search in NATFW.
+     * 
+     * @since       S60 3.2
+     */
+    void FetchL();
+    
+    /**
+     * Method is used to set ICE role to NATFW.
+     * 
+     * @since       S60 3.2
+     */
+    void SetRoleL();
+    
+    /**
+     * Method is used to set ICE Inbound credentials to NATFW.
+     * 
+     * @since       S60 3.2
+     */
+    void SetInboundCredentialsL();
+    
+    /**
+     * Method is used to set ICE Outbound credentials to NATFW.
+     * 
+     * @since       S60 3.2
+     */
+    void SetOutboundCredentialsL();
+    
+    /**
+     * Method is used to initiate connectivity checks in NATFW.
+     * 
+     * @since       S60 3.2
+     */
+    void ConnChecksL();
+    
+    /**
+     * Method is used to initiate remote candidate update to NATFW.
+     * 
+     * @since       S60 3.2
+     */
+    void UpdateL();
+    
+private: // data
+    
+    /**
+     * Session instance
+     */
+    CNSPSession& iSession;
+    
+    };
+
+#endif // NSPACTIONSET_H
+
+// end of file