--- a/wlanutilities/wlansniffer/engine/server/src/wsfwlansettingsaccessor.cpp Tue Jan 26 13:04:04 2010 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,350 +0,0 @@
-/*
-* Copyright (c) 2007-2008 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: Implementation of CWsfWlanSettingsAccessor
-*
-*/
-
-
-// EXTERNAL INCLUDES
-#include <d32dbms.h>
-#include <WlanCdbCols.h>
-#include <wlancontainer.h>
-
-#include <centralrepository.h>
-#include <wlandevicesettingsinternalcrkeys.h>
-#include <featmgr.h>
-
-// CLASS HEADER
-#include "wsfwlansettingsaccessor.h"
-
-// INTERNAL INCLUDES
-#include "wsfwlanscanintervalchangeobserver.h"
-#include "wsflogger.h"
-
-
-using namespace CommsDat;
-
-// background scan disabled value
-static const TUint KWlanBgScanIntervalNever = 0;
-
-// background scan automatic scanning value
-static const TUint KWlanBgScanIntervalAuto = 0xffffffff;
-
-// default background scan interval in seconds
-static const TUint KWlanBgScanIntervalDefault = 300;
-
-// hold-up time after first DB notification to prevent bursts (in microseconds)
-static const TUint KDbNotificationHoldupTime = 1000 * 1000;
-
-
-
-// ----------------------------------------------------------------------------
-// CWsfWlanSettingsAccessor::NewL
-// ----------------------------------------------------------------------------
-//
-CWsfWlanSettingsAccessor* CWsfWlanSettingsAccessor::NewL(
- CMDBSession& aDbSession )
- {
- CWsfWlanSettingsAccessor *thisPtr = NewLC( aDbSession );
- CleanupStack::Pop( thisPtr );
- return thisPtr;
- }
-
-
-// ----------------------------------------------------------------------------
-// CWsfWlanSettingsAccessor::NewLC
-// ----------------------------------------------------------------------------
-//
-CWsfWlanSettingsAccessor* CWsfWlanSettingsAccessor::NewLC(
- CMDBSession& aDbSession )
- {
- CWsfWlanSettingsAccessor *thisPtr =
- new (ELeave) CWsfWlanSettingsAccessor( aDbSession );
- CleanupStack::PushL( thisPtr );
- thisPtr->ConstructL();
- return thisPtr;
- }
-
-
-// ----------------------------------------------------------------------------
-// CWsfWlanSettingsAccessor::CWsfWlanSettingsAccessor
-// ----------------------------------------------------------------------------
-//
-CWsfWlanSettingsAccessor::CWsfWlanSettingsAccessor( CMDBSession& aDbSession ):
- CActive( CActive::EPriorityStandard ),
- iDbSession( &aDbSession ),
- iBeingHeldUp( EFalse )
- {
- }
-
-
-// ----------------------------------------------------------------------------
-// CWsfWlanSettingsAccessor::ConstructL
-// ----------------------------------------------------------------------------
-//
-void CWsfWlanSettingsAccessor::ConstructL()
- {
- CActiveScheduler::Add( this );
-
- // get WLAN table id
- TRAP_IGNORE( iTableId = CCDWlanDeviceSettingsRecord::TableIdL(
- *iDbSession ) );
-
- if ( !iTableId )
- {
- iTableId = CCDWlanDeviceSettingsRecord::CreateTableL( *iDbSession );
- }
-
- iWlanSettingsRecord = new (ELeave) CCDWlanDeviceSettingsRecord( iTableId );
- iWlanSettingsRecord->iWlanDeviceSettingsType = KWlanUserSettings;
-
- if ( !iWlanSettingsRecord->FindL( *iDbSession ) )
- {
- User::Leave( KErrNotFound );
- }
-
- User::LeaveIfError( iTimer.CreateLocal() );
-
- DoCheckSettingL( iScanInterval, iShowAvailability );
- }
-
-
-// ----------------------------------------------------------------------------
-// CWsfWlanSettingsAccessor::~CWsfWlanSettingsAccessor
-// ----------------------------------------------------------------------------
-//
-CWsfWlanSettingsAccessor::~CWsfWlanSettingsAccessor()
- {
- Cancel();
- iTimer.Close();
- iDbSession = NULL; // not owning
- iChangeObserver = NULL; // not owning
- delete iWlanSettingsRecord; // own
- iWlanSettingsRecord = NULL;
- }
-
-
-// ----------------------------------------------------------------------------
-// CWsfWlanSettingsAccessor::ScanInterval
-// ----------------------------------------------------------------------------
-//
-TUint CWsfWlanSettingsAccessor::ScanInterval() const
- {
- LOG_ENTERFN( "CWsfWlanSettingsAccessor::ScanInterval" );
- return iScanInterval;
- }
-
-
-// ----------------------------------------------------------------------------
-// CWsfWlanSettingsAccessor::ShowAvailability
-// ----------------------------------------------------------------------------
-//
-TBool CWsfWlanSettingsAccessor::ShowAvailability() const
- {
- LOG_ENTERFN( "CWsfWlanSettingsAccessor::ShowAvailability" );
- return iShowAvailability;
- }
-
-
-// ----------------------------------------------------------------------------
-// CWsfWlanSettingsAccessor::RequestNotificationL
-// ----------------------------------------------------------------------------
-//
-void CWsfWlanSettingsAccessor::RequestNotificationL(
- MWsfWlanScanIntervalChangeObserver& aObserver )
- {
- LOG_ENTERFN( "CWsfWlanSettingsAccessor::RequestNotificationL" );
- iChangeObserver = &aObserver;
- IssueNotificationRequestL();
- }
-
-
-// ----------------------------------------------------------------------------
-// CWsfWlanSettingsAccessor::IssueNotificationRequestL
-// ----------------------------------------------------------------------------
-//
-void CWsfWlanSettingsAccessor::IssueNotificationRequestL()
- {
- LOG_ENTERFN( "CWsfWlanSettingsAccessor::IssueNotificationRequestL" );
- if ( iChangeObserver )
- {
- if ( !IsActive() )
- {
- LOG_WRITE( "issuing..." );
- User::LeaveIfError( iWlanSettingsRecord->RequestNotification(
- *iDbSession, iStatus ) );
- SetActive();
- }
- }
- }
-
-
-// ----------------------------------------------------------------------------
-// CWsfWlanSettingsAccessor::CancelNotifications
-// ----------------------------------------------------------------------------
-//
-void CWsfWlanSettingsAccessor::CancelNotifications()
- {
- LOG_ENTERFN( "CWsfWlanSettingsAccessor::CancelNotifications" );
- Cancel();
- iChangeObserver = NULL;
- }
-
-
-// ----------------------------------------------------------------------------
-// CWsfWlanSettingsAccessor::DoCheckSettingL
-// ----------------------------------------------------------------------------
-//
-void CWsfWlanSettingsAccessor::DoCheckSettingL( TUint& aBgScanInterval,
- TBool& aShowAvailability )
- {
- LOG_ENTERFN( "CWsfWlanSettingsAccessor::DoCheckSettingL" );
- // open the wlan settings table
-
- iWlanSettingsRecord->RefreshL( *iDbSession );
- FeatureManager::InitializeLibL();
-
- aShowAvailability = ( iWlanSettingsRecord->iBgScanInterval !=
- KWlanBgScanIntervalNever );
-
- // read the common value
- if ( iWlanSettingsRecord->iBgScanInterval == KWlanBgScanIntervalNever )
- {
- if ( iWlanSettingsRecord->iSavedBgScanInterval ==
- KWlanBgScanIntervalNever )
- {
- TInt defaultScanInterval( KWlanBgScanIntervalDefault );
-
- if (FeatureManager::FeatureSupported( KFeatureIdPowerSave ))
- {
- // Read the default value from CenRep (different in PSM mode)
- CRepository* cenrep = CRepository::NewL(
- KCRUidWlanDeviceSettingsRegistryId );
- cenrep->Get( KWlanDefaultBGScanInterval, defaultScanInterval );
- delete cenrep;
- }
-
- aBgScanInterval = TUint( defaultScanInterval );
- }
- else
- {
- aBgScanInterval = iWlanSettingsRecord->iSavedBgScanInterval;
- }
- }
- else
- {
- aBgScanInterval = iWlanSettingsRecord->iBgScanInterval;
- }
-
- // Set scan interval to default value if adaptive scanning value is
- // found from db
- if (aBgScanInterval == KWlanBgScanIntervalAuto )
- {
- TInt defaultScanInterval( KWlanBgScanIntervalDefault );
- aBgScanInterval = TUint( defaultScanInterval );
- }
-
- FeatureManager::UnInitializeLib();
- LOG_WRITEF( "current bgScanInterval = %d sec", aBgScanInterval );
- LOG_WRITEF( "current showAvailability = %d", aShowAvailability );
- }
-
-
-// ----------------------------------------------------------------------------
-// CWsfWlanSettingsAccessor::CheckIfSettingChangedL
-// ----------------------------------------------------------------------------
-//
-TBool CWsfWlanSettingsAccessor::CheckIfSettingChangedL()
- {
- LOG_ENTERFN( "CWsfWlanSettingsAccessor::CheckIfSettingChangedL" );
- LOG_WRITEF( "previous bgScanInterval = %d", iScanInterval );
- LOG_WRITEF( "previous showAvailability = %d", iShowAvailability );
- TUint newBgsi( 0 );
- TBool newSaf( EFalse );
-
- DoCheckSettingL( newBgsi, newSaf );
-
- TBool retval( newBgsi != iScanInterval || newSaf != iShowAvailability );
- iScanInterval = newBgsi;
- iShowAvailability = newSaf;
-
- return retval;
- }
-
-
-// ----------------------------------------------------------------------------
-// CWsfWlanSettingsAccessor::RunL
-// ----------------------------------------------------------------------------
-//
-void CWsfWlanSettingsAccessor::RunL()
- {
- LOG_ENTERFN( "CWsfWlanSettingsAccessor::RunL" );
- LOG_WRITEF( "iStatus.Int() = %d", iStatus.Int() );
-
- // Symbian DB notifiers are triggered by everything that may happen in
- // commsdat, so it would be very resource-consuming to check the value on
- // each database event
- // Workaround: 1-sec delay when first callback is received
-
- if ( !iBeingHeldUp )
- {
- LOG_WRITE( "starting anti-burst delay" );
- iBeingHeldUp = ETrue;
- iTimer.After( iStatus, TTimeIntervalMicroSeconds32(
- KDbNotificationHoldupTime ) );
- SetActive();
- }
- else
- {
- LOG_WRITE( "checking changes" );
- iBeingHeldUp = EFalse;
- if ( CheckIfSettingChangedL() )
- {
- LOG_WRITE( "setting changed, notifying observer" );
- iChangeObserver->WlanScanIntervalChangedL( iScanInterval,
- iShowAvailability );
- }
-
- IssueNotificationRequestL();
- }
-
- }
-
-
-// ----------------------------------------------------------------------------
-// CWsfWlanSettingsAccessor::DoCancel
-// ----------------------------------------------------------------------------
-//
-void CWsfWlanSettingsAccessor::DoCancel()
- {
- iTimer.Cancel();
- iBeingHeldUp = EFalse;
-
- if ( iWlanSettingsRecord )
- {
- iWlanSettingsRecord->CancelNotification( *iDbSession, iStatus );
- }
- }
-
-
-// ----------------------------------------------------------------------------
-// CWsfWlanSettingsAccessor::RunError
-// ----------------------------------------------------------------------------
-//
-TInt CWsfWlanSettingsAccessor::RunError( TInt /*aError*/ )
- {
- TRAP_IGNORE( IssueNotificationRequestL() );
- return KErrNone;
- }
-