--- a/convergedconnectionhandler/cchserver/src/cchwlanextension.cpp Thu Aug 19 09:45:22 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,279 +0,0 @@
-/*
-* Copyright (c) 2007 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:
-* class implementation for CCchWlanExtension
-*
-*/
-
-
-// INCLUDE FILES
-#include "cchwlanextension.h"
-#include "cchprivatecrkeys.h"
-#include "cchlogger.h"
-
-#include <centralrepository.h>
-#include <wlanmgmtclient.h>
-#include <StringLoader.h>
-#include <WlanCdbCols.h>
-
-// CONSTANTS
-
-const TUint32 KWlanScanRateDeactive = 0; //scan not active
-const TUint32 KWlanScanRateActive = 300; //value used when cch activates 1st scan
-
-const TInt KRetryTimeout( 100000 ); // 0,1s delay for comms db begintransaction retry (microseconds)
-const TInt KRetryCount( 6 ); // Maximum number of retries
-
-
-// ============================ MEMBER FUNCTIONS =============================
-
-// ---------------------------------------------------------------------------
-// CCchWlanExtension::NewL()
-// Symbian OS two-phased constructor
-// ---------------------------------------------------------------------------
-CCchWlanExtension* CCchWlanExtension::NewL( )
- {
- CCchWlanExtension* self = new( ELeave ) CCchWlanExtension( );
- CleanupStack::PushL( self );
- self->ConstructL();
-
- CleanupStack::Pop( self );
- return self;
- }
-
-// ---------------------------------------------------------------------------
-// CCchWlanExtension::ConstructL()
-// Symbian OS two-phased constructor
-// ---------------------------------------------------------------------------
-void CCchWlanExtension::ConstructL()
- {
- CCHLOGSTRING2( "CCchWlanExtension::ConstructL[0x%x]: IN", this );
- // Create connection to the Access Points setting data.
- iAPCommsDatabase = CCommsDatabase::NewL( EDatabaseTypeIAP );
-
- // Create connection to the WLAN setting data.
- iWLANCommsDatabase = CCommsDatabase::NewL();
-
- iCchRepository = CRepository::NewL( KCRUidCch );
- CCHLOGSTRING( "CCchWlanExtension::ConstructL: OUT" );
- }
-
-// ---------------------------------------------------------------------------
-// CCchWlanExtension::CCchWlanExtension()
-// Constructor.
-// ---------------------------------------------------------------------------
-CCchWlanExtension::CCchWlanExtension( ) :
- iLastSavedScanInterval( 0 )
- {
- }
-
-// ---------------------------------------------------------------------------
-// CGSUiVoIPExtension::~CCchWlanExtension()
-// Destructor.
-// ---------------------------------------------------------------------------
-CCchWlanExtension::~CCchWlanExtension()
- {
- delete iWLANCommsDatabase;
- delete iAPCommsDatabase;
- delete iCchRepository;
- }
-
-// ---------------------------------------------------------------------------
-// CCchWlanExtension::ForceEnableWlanScanL
-// ---------------------------------------------------------------------------
-void CCchWlanExtension::ForceEnableWlanScanL()
- {
- CCHLOGSTRING( "CCchWlanExtension::ForceEnableWlanScanL: IN" );
- TInt scanRate = CheckAvailabilityStatusL();
- if( KWlanScanRateDeactive != scanRate )
- {
- CCHLOGSTRING( "CCchWlanExtension::Forced to disable/enable wlan scan" );
- SetAvailabilitySwitchL( KWlanScanRateDeactive );
- SetAvailabilitySwitchL( iLastSavedScanInterval );
- }
- else
- {
- CCHLOGSTRING( "CCchWlanExtension::Normal wlan scan enable" );
- EnableWlanScanL();
- }
-
- CCHLOGSTRING( "CCchWlanExtension::ForceEnableWlanScanL: OUT" );
- }
-
-// ---------------------------------------------------------------------------
-// CCchWlanExtension::EnableWlanScanL
-// ---------------------------------------------------------------------------
-void CCchWlanExtension::EnableWlanScanL()
- {
- CCHLOGSTRING( "CCchWlanExtension::EnableWlanScanL: IN" );
- TInt err( KErrNone );
- TInt wlanActivation( 0 );
- err = iCchRepository->Get(
- KCCHWasWlanScanActivatedBeforeServiceEnabling,
- wlanActivation );
- User::LeaveIfError( err );
- TInt scanRate = CheckAvailabilityStatusL();
- // Activate the WLAN scan setting if needed.
- if( KErrNone == err )
- {
- if( ECCHWlanScanNotDefined == wlanActivation )
- {
- if( KWlanScanRateDeactive < scanRate )
- {
- iCchRepository->Set( KCCHWasWlanScanActivatedBeforeServiceEnabling,
- ECCHWlanScanWasEnabled );
- CCHLOGSTRING( "CCchWlanExtension::EnableWlanScanL; scan was enabled by user" );
- }
- else
- {
- iCchRepository->Set( KCCHWasWlanScanActivatedBeforeServiceEnabling,
- ECCHWlanScanWasNotEnabled );
-
- CCHLOGSTRING( "CCchWlanExtension::EnableWlanScanL; scan was enabled by CCH" );
- }
- }
- }
- if( KWlanScanRateDeactive == scanRate )
- {
- SetAvailabilitySwitchL( iLastSavedScanInterval );
- }
-
- CCHLOGSTRING( "CCchWlanExtension::EnableWlanScanL: OUT" );
- }
-// ---------------------------------------------------------------------------
-// CCchWlanExtension::DisableWlanScanL
-// ---------------------------------------------------------------------------
-void CCchWlanExtension::DisableWlanScanL()
- {
- CCHLOGSTRING( "CCchWlanExtension::DisableWlanScanL: IN" );
- // Deactivate the WLAN scan setting if needed.
- TInt err( KErrNone );
- TInt wlanActivation( 0 );
- err = iCchRepository->Get(
- KCCHWasWlanScanActivatedBeforeServiceEnabling,
- wlanActivation );
- User::LeaveIfError( err );
- TInt scanRate = CheckAvailabilityStatusL();
- CCHLOGSTRING2( "CCchWlanExtension::DisableWlanScanL: ERROR:%d", err );
- if( KErrNone == err )
- {
- CCHLOGSTRING2( "CCchWlanExtension::DisableWlanScanL: activation:%d", wlanActivation );
- if ( KWlanScanRateDeactive < scanRate )
- {
- CCHLOGSTRING( "CCchWlanExtension::DisableWlanScanL: scan is active" );
- if( ECCHWlanScanNotDefined != wlanActivation )
- {
- if( ECCHWlanScanWasNotEnabled == wlanActivation )
- {
- CCHLOGSTRING( "CCchWlanExtension::DisableWlanScanL: disabling wlan scan" );
- SetAvailabilitySwitchL( KWlanScanRateDeactive );
- }
- err = iCchRepository->Set( KCCHWasWlanScanActivatedBeforeServiceEnabling,
- ECCHWlanScanNotDefined );
- User::LeaveIfError( err );
- }
- }
- }
- CCHLOGSTRING( "CCchWlanExtension::DisableWlanScanL: OUT" );
- }
-
-// ---------------------------------------------------------------------------
-// CCchWlanExtension::CheckAvailabilityStatusL
-// Checks WLAN availability setting status.
-// ---------------------------------------------------------------------------
-//
-TUint32 CCchWlanExtension::CheckAvailabilityStatusL()
- {
- CCHLOGSTRING( "CCchWlanExtension::CheckAvailabilityStatusL: IN" );
- TUint32 scanRate( KErrNone );
- // Open WLAN setting table and get availability data.
- CCommsDbTableView* view =
- iWLANCommsDatabase->OpenViewMatchingUintLC
- (
- TPtrC( WLAN_DEVICE_SETTINGS ),
- TPtrC( WLAN_DEVICE_SETTINGS_TYPE ),
- KWlanUserSettings
- );
-
- User::LeaveIfError( view->GotoFirstRecord() );
- view->ReadUintL( TPtrC( WLAN_BG_SCAN_INTERVAL ), scanRate );
- //ignore leave if there is no such column WLAN_SAVED_BG_SCAN_INTERVAL
- TRAP_IGNORE( view->ReadUintL( TPtrC( WLAN_SAVED_BG_SCAN_INTERVAL ),
- iLastSavedScanInterval ) );
-
- if( 0 == iLastSavedScanInterval )
- {
- iLastSavedScanInterval = KWlanScanRateActive;
- }
- CCHLOGSTRING3(
- "CCchWlanExtension::CheckAvailabilityStatusL: interval: %d, saved: %d",
- scanRate, iLastSavedScanInterval );
- CleanupStack::PopAndDestroy( view );
- CCHLOGSTRING( "CCchWlanExtension::CheckAvailabilityStatusL: OUT" );
- // Return scan rate value.
- return scanRate;
- }
-
-// -----------------------------------------------------------------------------
-// CCchWlanExtension::SetAvailabilitySwitchL
-// Sets WLAN availability switch based on scan rate given.
-// -----------------------------------------------------------------------------
-void CCchWlanExtension::SetAvailabilitySwitchL( TUint32 aScanRate )
- {
- CCHLOGSTRING( "CCchWlanExtension::SetAvailabilitySwitchL: IN" );
- // Open WLAN setting table and record.
- CCommsDbTableView* view = iWLANCommsDatabase->OpenViewMatchingUintLC
- (
- TPtrC( WLAN_DEVICE_SETTINGS ),
- TPtrC( WLAN_DEVICE_SETTINGS_TYPE ),
- KWlanUserSettings
- );
-
- User::LeaveIfError( view->GotoFirstRecord() );
- User::LeaveIfError( view->UpdateRecord() );
-
- // Set new WLAN availability setting value to comms database.
- view->WriteUintL( TPtrC( WLAN_BG_SCAN_INTERVAL ), aScanRate );
-
- TInt round( 0 );
- TInt err( KErrNone );
- do
- {
- // Complete transaction procedure.
- err = view->PutRecordChanges();
-
- if ( KErrNone != err )
- {
- User::After( round * KRetryTimeout );
- round++;
- }
- }
- while ( KErrNone != err && round < KRetryCount);
-
- if ( KErrNone != err )
- {
- CCHLOGSTRING( "CCchWlanExtension::SetAvailabilitySwitchL: PutRecordChanges was unsuccessful" );
- User::Leave( err );
- }
-
- CleanupStack::PopAndDestroy( view );
-
- // Notifying WLAN Engine about changes in settings.
- CWlanMgmtClient* wlanMgmtClient = CWlanMgmtClient::NewL();
- wlanMgmtClient->NotifyChangedSettings();
- delete wlanMgmtClient;
- CCHLOGSTRING( "CCchWlanExtension::SetAvailabilitySwitchL: OUT" );
- }
-
-// End of file