/*

* Copyright (c) 2003-2009 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:   VPN connection starter

*

*/

#ifndef __VPN_CONN_STARTER_H__

#define __VPN_CONN_STARTER_H__

#include "sit.h"

#include "taskhandler.h"

#include "vpnapi.h"

#include "kmdapi.h"

#include "ipsecpolapi.h"

#include "eventlogger.h"

#include "spdb.h" // CSecPolBundleList

#include "eventdefssit.h"

class CIkeData;

/**

 * VPN connection starter task handler

 *

 *  @lib (internal) eventmedsit.lib 

 *  @since S60 3.0

 */

NONSHARABLE_CLASS(CVpnConnStarter) : public CTaskHandler

    {

public:

    static CVpnConnStarter* NewL(MTaskHandlerManager* aManager,

                                 const TTaskArrivedEventData& aTaskInfo);

    ~CVpnConnStarter();

private: // From CTaskHandler

    void StartTaskHandling();

    void ChangeStateL();

    void CancelOngoingOperation();

    void ReportResult(TInt aStatus);

private: // From CActive

    TInt RunError(TInt aError);

private:

    CVpnConnStarter(MTaskHandlerManager* aManager,

                    const TTaskArrivedEventData& aTaskInfo);

    void ConstructL();

    void StateStartRealIap();

    void StateRealIapConnectedL();    

    void StateGetVpnPolicyL();

    void StateActivateKmdL();

    void StateAfterActivateKmdL();

    void StateLoadIpsecPolicy();

    void StateAfterLoadIpsecPolicyL();

    void StateActivateIpsecPolicy();

    void StateAfterActivateIpsecPolicyL();

    void RollbackProcess();

    void ResolveIpsecFQDNL(CSecPolBundleList* aSecPolBundleList);

    void ResolveIkeFQDNL(CIkeData* aIkeData);

    TInetAddr ResolveFQDNL(const TDesC& aAddress);

    /**

     * FormCustomTrafficSelectorsL

     * Store custom traffic selectors for IPsec

     * if there's something in IKE policy that requires

     * them. Nokia specific NAT-T is one feature that

     * needs custom traffic selectors.

     * @param aIkeData CIkeData pointer

     */

    void FormCustomTrafficSelectorsL(CIkeData *aIkeData);

    /**

     * InsertCustomTrafficSelectorsL

     * Insert custom traffic selectors to policy buffer

     * made by ipsecpolparser. Custom selector definitions

     * are inserted right after [POLICY]\n string.

     */

    void InsertCustomTrafficSelectorsL();

    void GetIkePolicyFromVpnPolicyL(const TDesC& aVpnPolicy);

    void GetIpsecPolicyFromVpnPolicyL(const TDesC& aVpnPolicy);

    void LoadIpsecPolicy();

    void IsDhcpEnabledL(TBool& aDhcpEnabled);

#if defined(__PFX_MIP4__)    

    TBool IsMip4FeaturePresent(void);

#endif   

private: // data

    TPckgBuf<TStartVpnConnEventSpec> iEventSpecDes;

    RVpnServ iVpnServ;

    RKMD iKmdServ;

    RIpsecPolicyServ iPolicyServ;

    HBufC8* iIkePolicyData;

    HBufC8* iIpsecPolicyData;

    // Custom IPsec traffic selectors

    HBufC8 *iCustomTs;

    TPolicyHandlePckg iIpsecPolicyHandleDes;

    TUint iProcessingFlags;    

    TVPNAddress iVpnAddressInfo;

    TVPNAddressPckg iVpnAddressInfoDes;

    TUint32 iVpnIapId;

    TVpnRealConnectionParams iIfInfo;

    TPckg<TVpnRealConnectionParams> iIfInfoDes;    

    TZoneInfoSetPckg iZoneInfoSetDes;

    DEFINE_EVENT_LOGGER

    };

#endif // __VPN_CONN_STARTER_H__