1 /*

     2 * Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Keepalive object for Nokia IPsec over NAT

    15 *

    16 */

    17 

    18 

    19 

    20 #include "ikedebug.h" 

    21 #include "ikev1pluginsession.h"

    22 #include <commdbconnpref.h> // TCommDbConnPref

    23 #include "ikev1nokianattkeepalive.h" // CIkev1NokiaNattKeepAlive

    24 

    25 _LIT8(KMsgContent, "\xff");

    26 

    27 CIkev1NokiaNattKeepAlive* CIkev1NokiaNattKeepAlive::NewL( CIkev1PluginSession&  aPluginSession,

    28                                                           TInetAddr& aDestAddr, 

    29                                                           TUint16 aPort,

    30                                                           TUint aInterval,

    31                                                           MIkeDebug& aDebug )

    32 	{

    33 	CIkev1NokiaNattKeepAlive *self = new (ELeave) CIkev1NokiaNattKeepAlive( aPluginSession,

    34 	                                                                        aDestAddr,

    35 	                                                                        aPort,

    36 	                                                                        aDebug );

    37 	CleanupStack::PushL(self);

    38 	self->ConstructL(aInterval);

    39 	CleanupStack::Pop(self);

    40 	return self;

    41 	}

    42 		

    43 CIkev1NokiaNattKeepAlive::~CIkev1NokiaNattKeepAlive()

    44 	{

    45 	if (iTimer)

    46 		{

    47 		iTimer->Cancel();

    48 		delete iTimer;

    49 		iTimer = NULL;

    50 		}

    51 	

    52 	}

    53 	

    54 CIkev1NokiaNattKeepAlive::CIkev1NokiaNattKeepAlive( CIkev1PluginSession& aPluginSession,

    55                                                     TInetAddr& aDestAddr, 

    56                                                     TUint16 aPort,

    57                                                     MIkeDebug& aDebug )

    58 : iPluginSession(aPluginSession),

    59   iDestAddr(aDestAddr),

    60   iPort(aPort),

    61   iMsg(KMsgContent),

    62   iDebug(aDebug)

    63 	{

    64 	iDestAddr.SetPort(iPort);

    65 	}

    66 

    67 

    68 void CIkev1NokiaNattKeepAlive::ConstructL(TUint aInterval)

    69 	{

    70 	/*

    71      * Set up periodic timer

    72      */

    73     

    74 	// Interval and initial delay

    75 	TTimeIntervalMicroSeconds32 interval(aInterval * 1000000);

    76 	

    77 	iTimer = CPeriodic::NewL(CActive::EPriorityStandard);

    78 	iTimer->Start(interval, interval, 

    79 			TCallBack(CIkev1NokiaNattKeepAlive::PeriodicCallback, this));

    80 	DEBUG_LOG(_L("CIkev1NokiaNattKeepAlive::ConstructL(aInterval) Constructed"));

    81 	}

    82 

    83 void CIkev1NokiaNattKeepAlive::Send()

    84 	{	

    85 	TRAPD( err, iPluginSession.SendNokiaNatKeepAliveL( iDestAddr, iMsg, 0 ) );

    86 	err = err;

    87 	DEBUG_LOG1(_L("CIkev1NokiaNattKeepAlive::Send() Request sending of keepalive packet, err=%d"), err);

    88 	}

    89 

    90 TInt CIkev1NokiaNattKeepAlive::PeriodicCallback(TAny *aPtr)

    91 	{

    92 	CIkev1NokiaNattKeepAlive *self = static_cast<CIkev1NokiaNattKeepAlive*>(aPtr);

    93 	self->Send();

    94 	return KErrNone;

    95 	}

    96