/*

* 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:  Timer to trigger IKE request resend, if do not obtain a reply

*

*/

#ifndef C_IKEV2RETRANSMITTIMER_H

#define C_IKEV2RETRANSMITTIMER_H

#include <e32base.h>

/**

 *  IKEv2 retransmit timer callback interface.

 *  Callback interface which is used by CIkev2RetransmitTimer object to request

 *  IKE request resend.

 *  

 *  @lib internal (ikev2lib.lib)

 */

NONSHARABLE_CLASS(MIkev2RetransmitTimerCallback)

    {

public:        

    /**

     * Request IKE request resend.

     */

    virtual void RetransmitRequest() = 0;

    };

/**

 *  IKEv2 retransmit timer.

 *  Triggers IKE request retransmit after timeout.

 *  

 *  @lib internal (ikev2lib.lib)

 */

NONSHARABLE_CLASS(CIkev2RetransmitTimer) : public CTimer

{

public:

    static CIkev2RetransmitTimer* NewL( MIkev2RetransmitTimerCallback& aCallback );

	~CIkev2RetransmitTimer();

	/**

	 * Issues a reques to the timer.

	 * The actual time out value is calculated:

     * timeout = aSendAttempt * 1 second;

	 * 

	 * @param aSendAttempt the current send attempt count

	 */

	void IssueRequest( TUint16 aSendAttempt );

protected:

    void RunL();

private:

    CIkev2RetransmitTimer( MIkev2RetransmitTimerCallback& aCallback );

private: // data    

	MIkev2RetransmitTimerCallback& iCallback;	

};

#endif // C_IKEV2RETRANSMITTIMER_H