1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // PDP status change notifier

    15 // 

    16 //

    17 

    18 /**

    19  @file 

    20  @internalComponent

    21 */

    22 

    23 #include <e32base.h>

    24 

    25 #include "cpdpstatuschangenotifier.h"

    26 #include "PDPFSM.h"

    27 #include "spudteldebuglogger.h"

    28 #include "pdpfsmnmspace.h"

    29 

    30 #include <pcktcs.h>

    31 

    32 

    33 /**

    34 @param aId - pdp context id

    35 @param aPacketContext - reference to etel packet context

    36 @param aPdpFsmInterface - reference to pdp fsm interface

    37 */

    38 CPdpStatusChangeNotifier::CPdpStatusChangeNotifier(TContextId aId,

    39 										RPacketContext& aPacketContext,

    40 										CPdpFsmInterface& aPdpFsmInterface)

    41 : CEtelDriverNotifier(aPdpFsmInterface),

    42   iId(aId),

    43   iPacketContext(aPacketContext),

    44   iContextStatus(RPacketContext::EStatusUnknown)

    45 	{

    46 	}

    47 

    48 CPdpStatusChangeNotifier::~CPdpStatusChangeNotifier()

    49 	{

    50 	Cancel();

    51 	}

    52 

    53 /** initiates notification */

    54 void CPdpStatusChangeNotifier::Start()

    55 	{

    56 	if (!IsActive() && (iContextStatus != RPacketContext::EStatusDeleted))

    57 		{ 

    58 		iPacketContext.NotifyStatusChange(iStatus, iContextStatus); 

    59 		SetActive();

    60 		}

    61 	}

    62 

    63 /** stops notification */	

    64 void CPdpStatusChangeNotifier::DoCancel()

    65 	{

    66 	if(IsActive())

    67 		{ 

    68 		SPUDTELVERBOSE_INFO_LOG(

    69 			_L("CPdpStatusChangeNotifier::DoCancel EPacketContextNotifyStatusChange"));

    70 		iPacketContext.CancelAsyncRequest(EPacketContextNotifyStatusChange); 

    71 		}

    72 	}

    73 

    74 /** notifies pdp fsm 

    75 

    76 @param aStatus - request status

    77 */

    78 void CPdpStatusChangeNotifier::Notify(const TRequestStatus& aStatus)

    79 	{

    80 	if(aStatus == KErrNone)

    81 		{

    82 		SPUDTELVERBOSE_INFO_LOG(_L("Notified of context status change"));

    83 		RPacketContext::TContextStatus aOldContextStatus;

    84 		iPdpFsmInterface.Get(iId, aOldContextStatus);

    85 		// only notify of change if it has actually changed

    86 		if (iContextStatus != aOldContextStatus)

    87 			{

    88 			SPUDTELVERBOSE_INFO_LOG(_L("FSM input EContextStatusChangeNetwork"));

    89 			iPdpFsmInterface.Set(iId, iContextStatus);

    90             TInt err = KErrNone;

    91             iPacketContext.GetLastErrorCause(err); // Ignore error return code.

    92 			iPdpFsmInterface.Input(iId, PdpFsm::EContextStatusChangeNetwork, err);

    93 			}

    94 		}

    95 	else

    96 		{ 

    97 		SPUDTEL_ERROR_LOG(_L("CPdpStatusChangeNotifier::Notify(), error: %d"), 

    98 						aStatus.Int());

    99 		ASSERT(aStatus == KErrCancel); 

   100 		}

   101 	}