realtimenetprots/sipfw/ProfileAgent/ApnManager/src/sipapnconfigurationhandler.cpp
changeset 15 8248b03a2669
child 16 43c4dec3cb1f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/ProfileAgent/ApnManager/src/sipapnconfigurationhandler.cpp	Fri Apr 16 15:18:54 2010 +0300
@@ -0,0 +1,903 @@
+// Copyright (c) 2007-2009 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:
+// Name        : sipapnconfigurationhandler.cpp
+// Part of     : SIP Profile Server
+// implementation
+// Version     : 1.0
+//
+#include <commsdattypesv1_1.h>
+#include <commdb.h>
+#include <commsdat.h>
+#include "sipapnconfigurationhandler.h"
+#include "SipProfileLog.h"
+
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::NewL
+// -----------------------------------------------------------------------------
+//
+CSIPApnConfigurationHandler* CSIPApnConfigurationHandler::NewL( 
+    MSIPApnChangeObserver& aObserver, TUint32 aIapId)
+	{
+	CSIPApnConfigurationHandler* self = 
+	    CSIPApnConfigurationHandler::NewLC( aObserver, aIapId );
+	CleanupStack::Pop( self );
+	return self;
+	}
+	
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::NewLC
+// -----------------------------------------------------------------------------
+//
+CSIPApnConfigurationHandler* CSIPApnConfigurationHandler::NewLC( 
+    MSIPApnChangeObserver& aObserver, TUint32 aIapId)
+	{
+	CSIPApnConfigurationHandler* self = 
+	    new ( ELeave ) CSIPApnConfigurationHandler( aObserver, aIapId );
+	CleanupStack::PushL( self );
+	self->ConstructL();
+	return self;
+	}
+
+
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::~CSIPApnConfigurationHandler
+// -----------------------------------------------------------------------------
+//
+CSIPApnConfigurationHandler::~CSIPApnConfigurationHandler()
+	{
+	PROFILE_DEBUG1( 
+	        "CSIPApnConfigurationHandler::~CSIPApnConfigurationHandler()" )
+	
+	Cancel();
+	iConnection.Close();
+	iSocketSrv.Close();
+	
+	delete iApnProposal;
+	delete iCurrentApn;
+	
+    delete iPrimaryApn;
+    delete iSecondaryApn;
+    
+	delete iCommsDatabase;
+	
+	PROFILE_DEBUG1( 
+	        "CSIPApnConfigurationHandler::~CSIPApnConfigurationHandler() exit" )
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::SetApnL
+// -----------------------------------------------------------------------------
+//
+void CSIPApnConfigurationHandler::SetApnL( 
+    const TDesC8& aApn, 
+    TBool aUseSecureAuthentication,
+    TBool aAllowAsync )
+    {
+    PROFILE_DEBUG6( 
+            "CSIPApnConfigurationHandler::SetApnL() apn", aApn )
+    
+    // Cancel if waiting for connection closure, will be re-issued if needed
+      Cancel();
+    
+    // Store current apn setting
+    HBufC8* apn = aApn.AllocL();
+    delete iApnProposal;
+    iApnProposal = apn;
+    iApnUseSecureAuthProposal = aUseSecureAuthentication;
+    
+    if ( !ApnChangeNeededL( *iApnProposal ) )
+        {
+        PROFILE_DEBUG1( 
+                "CSIPApnConfigurationHandler::SetApnL() apn already correct" )
+        
+        SendApnChangedNotificationL( *iApnProposal );
+        return;
+        }
+    
+    iMonitoringRetryCount = 0;
+    
+    ChangeApnIfNotInUseL( aAllowAsync );
+        
+    PROFILE_DEBUG1( 
+            "CSIPApnConfigurationHandler::SetApnL() exit" )
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::IsPrimaryApnUsed
+// -----------------------------------------------------------------------------
+//
+TBool CSIPApnConfigurationHandler::IsPrimaryApnUsed()
+    {
+    return ( iCurrentApn && iCurrentApn->Compare( PrimaryApn() ) == 0 );
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::ReadCurrentApnL
+// -----------------------------------------------------------------------------
+//
+HBufC8* CSIPApnConfigurationHandler::ReadCurrentApnL()
+	{
+	HBufC8* apn(NULL);
+		
+	using namespace CommsDat;
+	
+	CMDBSession* db = CMDBSession::NewL( CMDBSession::LatestVersion() );
+    CleanupStack::PushL( db );
+    // Set any attributes if any
+    db->SetAttributeMask( ECDHidden ); 
+
+    // Create an iap record
+    CCDIAPRecord* iapRecord = 
+        static_cast<CCDIAPRecord*>( 
+            CCDRecordBase::RecordFactoryL( KCDTIdIAPRecord ) );
+    CleanupStack::PushL( iapRecord );
+    
+    iapRecord->SetRecordId( iIapId );
+
+    iapRecord->LoadL( *db );
+    
+    // serviceType identifies the servicing table to use
+    CMDBField<TDesC>* serviceType = 
+        ( CMDBField<TDesC>* )iapRecord->GetFieldByIdL( KCDTIdIAPServiceType );
+    
+    __ASSERT_ALWAYS( serviceType && !serviceType->IsNull(), 
+                     User::Leave( KErrNotFound ) );
+	// Only this service type has APN in the service record
+    if ( TPtrC( KCDTypeNameOutgoingWCDMA ).Compare( *serviceType ) == 0 )
+        {
+        PROFILE_DEBUG1(  
+        "CSIPApnConfigurationHandler::ReadCurrentApnL(), wcdma service" )
+        
+        // iapRecord->iService field is a link to the servicing table. It tells
+        // which record to use from the table.
+        iapRecord->iService.LoadL( *db );
+        
+        if ( !iapRecord->iService.iLinkedRecord )
+            {
+            PROFILE_DEBUG1( 
+            "CSIPApnConfigurationHandler::ReadCurrentApnL(), creating linked" )
+        
+            // Ownership of created record is transferred
+            iapRecord->iService.iLinkedRecord = 
+                static_cast<CCDOutgoingGprsRecord*>(
+                    CCDRecordBase::RecordFactoryL( KCDTIdOutgoingGprsRecord ) );
+            iapRecord->iService.iLinkedRecord->SetRecordId( iapRecord->iService );
+            
+            iapRecord->iService.iLinkedRecord->LoadL( *db );
+            }
+            
+        PROFILE_DEBUG1( 
+        "CSIPApnConfigurationHandler::ReadCurrentApnL(), linked service loaded" )
+        
+        CCDOutgoingGprsRecord* serviceRecord = 
+        static_cast<CCDOutgoingGprsRecord*>( iapRecord->iService.iLinkedRecord ); 
+
+        TDesC& currApn = serviceRecord->iGPRSAPN.GetL();
+        PROFILE_DEBUG6( 
+        	"CSIPApnConfigurationHandler::ReadCurrentApnL(), current apn",
+        	currApn );
+
+		apn = HBufC8::NewL( currApn.Length() );
+		apn->Des().Copy( currApn );
+		
+		delete iCurrentApn;
+		iCurrentApn = NULL;
+		iCurrentApn = apn->AllocL();
+        }
+    
+    db->ClearAttributeMask( ECDHidden );
+    
+    CleanupStack::PopAndDestroy( iapRecord );
+    CleanupStack::PopAndDestroy( db );
+    
+    return apn;
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::HasPendingTasks
+// -----------------------------------------------------------------------------
+//
+TBool CSIPApnConfigurationHandler::HasPendingTasks() const
+    {
+    return MonitoringState() != EMonitoringIdle;
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::DoCancel
+// -----------------------------------------------------------------------------
+//
+void CSIPApnConfigurationHandler::DoCancel()
+	{	
+	TSipApnMonitoringState currentState = MonitoringState();
+
+	PROFILE_DEBUG3( 
+	        "CSIPApnConfigurationHandler::DoCancel() state", currentState );
+	
+	if ( currentState == EMonitoringConnection )
+	    {
+	    iConnection.CancelProgressNotification();
+	    }
+	else if ( currentState == EMonitoringDatabase )
+	    {
+	    if ( iCommsDatabase )
+	        {
+	        iCommsDatabase->CancelRequestNotification();
+	        }
+	    }
+	else
+	    {
+	    // NOP
+	    }
+	
+	SetMonitoringState( EMonitoringIdle );
+	    
+	PROFILE_DEBUG1( 
+	        "CSIPApnConfigurationHandler::DoCancel() exit" )
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::RunL
+// -----------------------------------------------------------------------------
+//
+void CSIPApnConfigurationHandler::RunL()
+	{	
+	TInt error = iStatus.Int();
+	
+	TSipApnMonitoringState currentState = MonitoringState();
+	
+	PROFILE_DEBUG3( 
+	        "CSIPApnConfigurationHandler::RunL() err", error );
+	PROFILE_DEBUG3( 
+	        "CSIPApnConfigurationHandler::RunL() state", currentState );
+	
+	SetMonitoringState( EMonitoringIdle ); // Clear current state
+	    	
+	if ( currentState == EMonitoringConnection )
+	    {
+	    ConnectionMonitoringCompletedL( error );
+	    }
+	else if ( currentState == EMonitoringDatabase )
+	    {
+	    DatabaseMonitoringCompletedL( error );
+	    }
+	    
+    PROFILE_DEBUG1( 
+            "CSIPApnConfigurationHandler::RunL() exit" )
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::RunError
+// -----------------------------------------------------------------------------
+//
+TInt CSIPApnConfigurationHandler::RunError( TInt aError )
+    {
+    PROFILE_DEBUG3( 
+            "CSIPApnConfigurationHandler::RunError() err", aError );
+    
+    if ( aError != KErrNoMemory && aError != KErrNone )
+        {
+        iObserver.ApnChanged( *iApnProposal, iIapId, aError );
+        aError = KErrNone;
+        }
+        
+    return aError;
+    }
+    
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::CSIPApnConfigurationHandler
+// -----------------------------------------------------------------------------
+//
+CSIPApnConfigurationHandler::CSIPApnConfigurationHandler( 
+    MSIPApnChangeObserver& aObserver, TUint32 aIapId ) : 
+    CActive( CActive::EPriorityStandard ),
+    iObserver( aObserver ),
+    iMonitoringState( EMonitoringIdle )
+	{
+	CActiveScheduler::Add( this );
+	iIapId = aIapId;
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CSIPApnConfigurationHandler::ConstructL()
+	{	
+	PROFILE_DEBUG1( 
+	        "CSIPApnConfigurationHandler::ConstructL()" )
+	
+	User::LeaveIfError( iSocketSrv.Connect() );
+	
+	PROFILE_DEBUG1( 
+	        "CSIPApnConfigurationHandler::ConstructL() exit" )
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::IsInUseL
+// -----------------------------------------------------------------------------
+//
+TBool CSIPApnConfigurationHandler::IsInUseL( TConnectionInfo& aConnectionInfo )
+    {
+    PROFILE_DEBUG1( 
+            "CSIPApnConfigurationHandler::IsInUseL()" )
+    
+    TBool inUse( EFalse );
+    RConnection rcon;
+    User::LeaveIfError( rcon.Open( iSocketSrv ) );
+    CleanupClosePushL( rcon );
+    
+    TUint activeCount( 0 );
+    User::LeaveIfError( rcon.EnumerateConnections( activeCount ) );
+    
+    if ( activeCount > 0  )
+        {
+        // Indexing is unordinary
+        for( TUint i = 1; i <= activeCount && !inUse; i++ )
+            {
+            TPckgBuf<TConnectionInfoV2> connectionInfo;
+            User::LeaveIfError( rcon.GetConnectionInfo( i, connectionInfo ) );
+            
+            if ( connectionInfo().iIapId == iIapId )
+                {
+                inUse = ETrue;
+                aConnectionInfo = connectionInfo();
+                }
+            }
+        }
+        
+    CleanupStack::PopAndDestroy( &rcon );
+    
+    PROFILE_DEBUG3( 
+            "CSIPApnConfigurationHandler::IsInUseL() inuse", inUse )
+    
+    return inUse;
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::StartMonitoringConnectionL
+// -----------------------------------------------------------------------------
+//
+void CSIPApnConfigurationHandler::StartMonitoringConnectionL( 
+    TConnectionInfo& aConnectionInfo )
+    {
+    PROFILE_DEBUG1( 
+            "CSIPApnConfigurationHandler::StartMonitoringConnectionL()" )
+    
+    __ASSERT_ALWAYS( !IsActive(), User::Leave( KErrInUse ) );
+    
+    if ( iConnection.SubSessionHandle() )
+        {
+        PROFILE_DEBUG1( 
+        "CSIPApnConfigurationHandler::   close existing connection" )
+        
+        iConnection.Close();
+        }
+     
+    iConnectionInfo = aConnectionInfo;   
+    
+    User::LeaveIfError( iConnection.Open( iSocketSrv ) );    
+    
+    PROFILE_DEBUG1( 
+            "CSIPApnConfigurationHandler::   attaching" )
+    
+    User::LeaveIfError( 
+        iConnection.Attach( iConnectionInfo, RConnection::EAttachTypeMonitor ) );
+    
+    WatchConnectionStatusChange();
+    
+    PROFILE_DEBUG1( 
+            "CSIPApnConfigurationHandler::StartMonitoringConnectionL() exit" )
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::WatchConnectionStatusChange
+// -----------------------------------------------------------------------------
+//	
+void CSIPApnConfigurationHandler::WatchConnectionStatusChange()
+    {
+    PROFILE_DEBUG1( 
+            "CSIPApnConfigurationHandler::WatchConnectionStatusChange()" )
+    
+    Cancel();
+    
+    iConnection.ProgressNotification( iProgress, iStatus, KConnectionClosed );
+    SetActive();
+        
+    SetMonitoringState( EMonitoringConnection );
+    
+    PROFILE_DEBUG1( 
+            "CSIPApnConfigurationHandler::WatchConnectionStatusChange(), exit" )
+    }
+    
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::WatchDatabaseStatusChangeL
+// -----------------------------------------------------------------------------
+//	
+void CSIPApnConfigurationHandler::WatchDatabaseStatusChangeL( TUint32 aIapId )
+    {
+    PROFILE_DEBUG1( 
+            "CSIPApnConfigurationHandler::WatchDatabaseStatusChangeL()" )
+    
+    Cancel();
+    
+    if ( !iCommsDatabase )
+        {
+        PROFILE_DEBUG1( 
+                "CSIPApnConfigurationHandler::   create commsdb" )
+        iCommsDatabase = CCommsDatabase::NewL();
+        }
+    
+    PROFILE_DEBUG1( 
+            "CSIPApnConfigurationHandler::   request notification" )
+    
+    // Start monitoring for db events, there will be lots of them pouring in
+    // as there's no filtering feature. We are interested only in
+    // unlocked events.    
+    User::LeaveIfError( iCommsDatabase->RequestNotification( iStatus ) );
+    
+    SetActive();
+    
+    iIapId = aIapId;
+        
+    SetMonitoringState( EMonitoringDatabase );
+    
+    PROFILE_DEBUG1( 
+            "CSIPApnConfigurationHandler::WatchDatabaseStatusChangeL(), exit" )
+    }
+        
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::ApnChangeNeededL
+// -----------------------------------------------------------------------------
+//
+TBool CSIPApnConfigurationHandler::ApnChangeNeededL( const TDesC8& aApn )
+    {
+    PROFILE_DEBUG1( 
+            "CSIPApnConfigurationHandler::ApnChangeNeededL()" )
+
+ 	TBool apnChangeNeeded( EFalse );
+ 	HBufC8* currentApn = ReadCurrentApnL();
+
+	if ( currentApn && currentApn->Compare( aApn ) != 0 )
+        {
+        // Apn is not the same as wanted
+        apnChangeNeeded = ETrue;
+        }
+
+	delete currentApn;
+
+	PROFILE_DEBUG3( 
+	        "CSIPApnConfigurationHandler::ApnChangeNeededL(), apnChangeNeeded",
+	        apnChangeNeeded )
+    return apnChangeNeeded;
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::ChangeApnIfNotInUseL
+// -----------------------------------------------------------------------------
+//
+TBool CSIPApnConfigurationHandler::ChangeApnIfNotInUseL( TBool aAllowAsync )
+    {
+    PROFILE_DEBUG1( 
+            "CSIPApnConfigurationHandler::ChangeApnIfNotInUseL()" )
+    
+    TBool apnChanged( EFalse );
+    
+    TConnectionInfo connectionInfo;
+    if ( IsInUseL( connectionInfo ) )
+        {
+        // If iap is in use, apn cannot be changed until everyone has stopped
+        // using it
+        __ASSERT_ALWAYS( aAllowAsync, User::Leave( KErrInUse ) );
+        
+        StartMonitoringConnectionL( connectionInfo );
+        }
+    else
+        {
+        apnChanged = IssueApnChangeL(
+                iIapId, *iApnProposal, iApnUseSecureAuthProposal, aAllowAsync );
+        }
+        
+    PROFILE_DEBUG3( 
+            "CSIPApnConfigurationHandler::ChangeApnIfNotInUseL(), apnChanged",
+            apnChanged )
+    return apnChanged;
+    }
+    
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::IssueApnChangeL
+// -----------------------------------------------------------------------------
+//
+TBool CSIPApnConfigurationHandler::IssueApnChangeL( 
+    TUint32 aIapId, 
+    const TDesC8& aApn,
+    TBool aUseSecureAuthentication,
+    TBool aAllowAsync )
+    {
+    PROFILE_DEBUG1( 
+            "CSIPApnConfigurationHandler::IssueApnChangeL()" )
+    
+    TBool apnChanged( EFalse );
+    if(aIapId == iIapId)
+        {
+        TRAPD( err, ChangeApnL( aApn, aUseSecureAuthentication ) );
+        if ( err == KErrLocked || err == KErrAccessDenied )
+            {
+            // Database transaction lock may cause errors if some other client is
+            // accessing the same record at the same time. In such case, start
+            // monitoring for database events and retry apn changing at each
+            // unlock/rollback event.
+        
+            __ASSERT_ALWAYS( aAllowAsync, User::Leave( KErrInUse ) );
+        
+            WatchDatabaseStatusChangeL( iIapId );
+            }
+        else 
+            {
+            User::LeaveIfError( err );
+            apnChanged = ETrue;
+            }
+        }
+       
+    PROFILE_DEBUG3( 
+            "CSIPApnConfigurationHandler::IssueApnChangeL(), apnChanged",
+            apnChanged )
+    return apnChanged;
+    }
+    
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::ChangeApnL
+// -----------------------------------------------------------------------------
+//
+void CSIPApnConfigurationHandler::ChangeApnL( 
+    const TDesC8& aApn,
+    TBool aUseSecureAuthentication )
+    {
+    PROFILE_DEBUG1( 
+            "CSIPApnConfigurationHandler::ChangeApnL()" )
+    
+   	using namespace CommsDat;
+	
+	CMDBSession* db = CMDBSession::NewL( CMDBSession::LatestVersion() );
+    CleanupStack::PushL( db );
+    // Set attributes so that also protected iaps can be accessed
+    db->SetAttributeMask( ECDHidden | ECDProtectedWrite ); 
+
+    // Create an iap record
+    CCDIAPRecord* iapRecord = 
+        static_cast<CCDIAPRecord*>( 
+            CCDRecordBase::RecordFactoryL( KCDTIdIAPRecord ) );
+    CleanupStack::PushL( iapRecord );
+    
+    iapRecord->SetRecordId( iIapId );
+    
+    TBool clearedProtectedIap = ClearProtectedRecord( *iapRecord );
+
+    iapRecord->LoadL( *db );
+    
+    iapRecord->iService.LoadL( *db );
+
+    if ( !iapRecord->iService.iLinkedRecord )
+        {
+        // Ownership of created record is transferred
+        iapRecord->iService.iLinkedRecord = 
+            static_cast<CCDOutgoingGprsRecord*>(
+                CCDRecordBase::RecordFactoryL( KCDTIdOutgoingGprsRecord ) );
+
+        iapRecord->iService.iLinkedRecord->SetRecordId( iapRecord->iService );        
+        iapRecord->iService.iLinkedRecord->LoadL( *db );
+        }
+        
+    PROFILE_DEBUG1( 
+    	"CSIPApnConfigurationHandler::ChangeApnL linked service loaded" )
+
+    CCDOutgoingGprsRecord* serviceRecord = 
+    static_cast<CCDOutgoingGprsRecord*>( iapRecord->iService.iLinkedRecord );  
+    
+    TBool clearedProtectedService = ClearProtectedRecord( *serviceRecord );
+        
+    PROFILE_DEBUG6( 
+            "CSIPApnConfigurationHandler::ChangeApnL() curr apn",
+            serviceRecord->iGPRSAPN.GetL() );
+
+    HBufC* apn = HBufC::NewLC( aApn.Length() );
+    apn->Des().Copy( aApn );
+    serviceRecord->iGPRSAPN.SetL( *apn );
+    CleanupStack::PopAndDestroy( apn );
+    
+    PROFILE_DEBUG3( 
+            "CSIPApnConfigurationHandler::ChangeApnL() curr security",
+            serviceRecord->iGPRSDisablePlainTextAuth );
+    
+    // Set CHAP/PAP (CHAP is enabled if plain text auth is disabled) 
+    serviceRecord->iGPRSDisablePlainTextAuth = aUseSecureAuthentication;
+
+    PROFILE_DEBUG3( 
+            "CSIPApnConfigurationHandler::ChangeApnL() new security",
+            aUseSecureAuthentication )
+	                
+    serviceRecord->ModifyL( *db ); 
+    
+    if ( clearedProtectedIap )
+        {
+        // Set protection back
+        iapRecord->SetAttributes( ECDProtectedWrite );
+        iapRecord->ModifyL( *db );
+        }
+    
+    if ( clearedProtectedService )
+        {
+        // Set protection back
+        serviceRecord->SetAttributes( ECDProtectedWrite );
+        serviceRecord->ModifyL( *db );
+        }
+        
+    db->ClearAttributeMask( ECDHidden | ECDProtectedWrite );
+    
+    CleanupStack::PopAndDestroy( iapRecord );
+    CleanupStack::PopAndDestroy( db );
+    
+    SendApnChangedNotificationL( aApn );
+    
+    PROFILE_DEBUG1( 
+            "CSIPApnConfigurationHandler::ChangeApnL(), exit" )
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::ClearProtectedRecord
+// -----------------------------------------------------------------------------
+//
+TBool CSIPApnConfigurationHandler::ClearProtectedRecord( 
+    CommsDat::CCDRecordBase& aRecord )
+    {
+    TBool cleared( EFalse );
+    if ( aRecord.IsSetAttribute( CommsDat::ECDProtectedWrite ) )
+        {
+        aRecord.ClearAttributes( CommsDat::ECDProtectedWrite );
+        cleared = ETrue;
+        }
+    return cleared;
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::SetMonitoringState
+// -----------------------------------------------------------------------------
+//
+void CSIPApnConfigurationHandler::SetMonitoringState( 
+    TSipApnMonitoringState aMonitoringState )
+    {
+   	PROFILE_DEBUG3( 
+   	        "CSIPApnConfigurationHandler::SetMonitoringState, state",
+   	        aMonitoringState );
+    iMonitoringState = aMonitoringState;
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::MonitoringState
+// -----------------------------------------------------------------------------
+//
+CSIPApnConfigurationHandler::TSipApnMonitoringState 
+    CSIPApnConfigurationHandler::MonitoringState() const
+    {
+    return iMonitoringState;
+    }
+    
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::ConnectionMonitoringCompletedL
+// -----------------------------------------------------------------------------
+//
+void CSIPApnConfigurationHandler::ConnectionMonitoringCompletedL( TInt aError )
+    {
+	PROFILE_DEBUG3( 
+	        "CSIPApnConfigurationHandler::   progress.err",
+	        iProgress().iError );
+	PROFILE_DEBUG3( 
+	        "CSIPApnConfigurationHandler::   progress.stage",
+	        iProgress().iStage );
+	                
+    if ( !aError )
+        {
+    	if ( iProgress().iStage == KConnectionClosed ||
+    	     iProgress().iStage == KLinkLayerClosed ||
+    	     iProgress().iStage == KConnectionFailure )
+            {
+            // Changing is now possible
+            IssueApnChangeL( 
+                iConnectionInfo().iIapId, *iApnProposal, iApnUseSecureAuthProposal );
+            }
+        else if ( !iProgress().iError )
+            {
+            // Changing not yet possible. Request further notifications
+            // from RConnection only if possible
+            WatchConnectionStatusChange();
+            }
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::DatabaseMonitoringCompletedL
+// Only interested about unlock and rollback events. When such occur, it might
+// be possible that other client has released transaction lock and we can
+// finally modify apn. Note: cancelling notifications may complete with
+// KErrCancel, in that case we don't want to reissue notifications.
+// -----------------------------------------------------------------------------
+//
+void CSIPApnConfigurationHandler::DatabaseMonitoringCompletedL( TInt aError )
+    {
+    TBool apnChanged( EFalse ); 
+    if ( aError == KErrCancel )
+        {
+        return;
+        }
+        
+    if ( aError == RDbNotifier::EUnlock || 
+         aError == RDbNotifier::ERollback || 
+         aError == RDbNotifier::EClose )
+        {
+        // Changing may be now possible, if not, db notifications or connection
+        // monitoring is re-enabled inside following method
+        apnChanged = ChangeApnIfNotInUseL();
+        }
+    else
+        {
+        WatchDatabaseStatusChangeL( iIapId );
+        }
+    
+    // Have some safety limit for monitoring as it's not guaranteed that
+    // db lock is ever released -> avoid unnecessary battery consumption    
+    if ( !apnChanged )
+        {
+        iMonitoringRetryCount++;
+        PROFILE_DEBUG3( 
+                "DatabaseMonitoringCompletedL::   retrycount",
+                iMonitoringRetryCount );
+        
+        if ( iMonitoringRetryCount > KSecondaryApnMaxRetryCount )
+            {
+            PROFILE_DEBUG1( 
+                "CSIPApnConfigurationHandler::   max retries reached!" )
+            Cancel();
+            
+            User::Leave( KErrAbort );
+            }
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::SendApnChangedNotificationL
+// -----------------------------------------------------------------------------
+//
+void CSIPApnConfigurationHandler::SendApnChangedNotificationL( 
+    const TDesC8& aNewApn, 
+    TInt aError )
+    {
+    if ( !IsPrimaryApnUsed() )
+        {
+        HBufC8* currentApn = aNewApn.AllocL();
+        delete iCurrentApn;
+        iCurrentApn = NULL;
+        iCurrentApn = currentApn;
+        
+        iObserver.ApnChanged( *iCurrentApn, iIapId, aError );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::IsFailed
+// -----------------------------------------------------------------------------
+//
+TBool CSIPApnConfigurationHandler::IsFailed() const
+    {
+    return iIsFailed;
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::IsFailed
+// -----------------------------------------------------------------------------
+//
+void CSIPApnConfigurationHandler::SetFailed( TBool aIsFailed, TBool aIsFatalFailure )
+    {
+    PROFILE_DEBUG4( 
+                "CSIPApnConfigurationHandler::SetFailed() (failed, fatal)",
+                aIsFailed, aIsFatalFailure )
+        PROFILE_DEBUG4( 
+                "CSIPApnConfigurationHandler::SetFailed() (curr failed, curr fatal)",
+                iIsFailed, iIsFatalFailure )
+                        
+        if ( iIsFailed != aIsFailed )
+            {
+            TInt err( KErrNone );
+            if ( aIsFailed )
+                {
+                TRAP( err, SetApnL( 
+                    SecondaryApn(), ETrue, ETrue) );
+                }
+            else if ( !iIsFatalFailure )
+                {
+                TRAP( err, SetApnL( 
+                    PrimaryApn(), EFalse, ETrue) );
+                }
+            else
+                {
+                PROFILE_DEBUG1( 
+                        "CSIPApnConfigurationHandler::SetFailed(), ignored" )
+                
+                // State change is ignored as state change to "not-failed" was
+                // attempted while fatal error had occured earlier
+                aIsFailed = iIsFailed;
+                aIsFatalFailure = iIsFatalFailure;
+                }
+                
+            if ( err )
+                {
+                PROFILE_DEBUG3(  
+                "CSIPApnConfigurationHandler::SetFailed(), Setting apn failed, err", err )
+                }
+            }   
+        
+        iIsFailed = aIsFailed;
+        iIsFatalFailure = aIsFatalFailure;
+        }
+
+// ----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::PrimaryApn
+// ----------------------------------------------------------------------------
+//
+TDesC8& CSIPApnConfigurationHandler::PrimaryApn()
+    {
+    return *iPrimaryApn;
+    }
+
+// ----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::SecondaryApn
+// ----------------------------------------------------------------------------
+//
+TDesC8& CSIPApnConfigurationHandler::SecondaryApn()
+    {
+    return *iSecondaryApn;
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::HandlerIapId
+// -----------------------------------------------------------------------------
+//
+TUint32 CSIPApnConfigurationHandler::HandlerIapId() const
+    {
+    return iIapId;
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPApnConfigurationHandler::UpdateApnL
+// -----------------------------------------------------------------------------
+//
+void CSIPApnConfigurationHandler::UpdateApnL( TBool aIsPrimaryApn, const TDesC8& aApn )
+    {
+PROFILE_DEBUG3( 
+            "CSIPApnConfigurationHandler::UpdateApnL isPrimary", aIsPrimaryApn )
+    PROFILE_DEBUG6( 
+            "CSIPApnConfigurationHandler::UpdateApnL apn", aApn )
+
+    HBufC8* newApn = aApn.AllocL();
+    if ( aIsPrimaryApn )
+        {
+        delete iPrimaryApn;
+        iPrimaryApn = newApn;
+        }
+    else
+        {
+        delete iSecondaryApn;
+        iSecondaryApn = newApn;
+        }
+    }
+
+// End of file