/*

* Copyright (c) 2005-2008 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:      UPnP settings engine class implementation

*

*/

//  Include Files

#include <centralrepository.h>

#include <s32file.h>

#include <upnpstring.h>

#include <pathinfo.h> //PathInfo

#include <upnpmediaserversettings.h>

#include <cmmanager.h>   // RCmManager

#include <cmconnectionmethoddef.h>

#include <commdb.h> // CCommsDatabase

#include <cdbcols.h>

#include <WlanCdbCols.h>  // WLAN_SERVICE

#include <wlanmgmtcommon.h>

#include "upnpsettingsengine.h"

#include "upnpsettingsengine.hrh"

#include "upnpapplicationcrkeys.h"

#include "upnpsettings.h"

_LIT( KComponentLogfile, "upnpsettingsengine.txt");

#include "upnplog.h"

// CONSTANTS

_LIT8( KManufacturerName, "Nokia");

_LIT( KDummyIAP, "DummyIAP");

// upload directory

_LIT( KUploadDirectoryCDrive, "\\data\\Download\\Media\\" );

_LIT( KUploadDirectory, "\\Download\\Media\\" );

_LIT( KModelFile, "\\resource\\versions\\model.txt" );

_LIT8( KModel, "Nokia X" );

_LIT8( KManufacturerUrl, "http://www.nokia.com");

_LIT8( KModelUrl, "http://www.nseries.com");

const TInt KMaxNameLength = 128;

const TUint KUidWlanBearerType = 0x10281BB1;

// ============================ MEMBER FUNCTIONS ============================

// --------------------------------------------------------------------------

// CUPnPSettingsEngine::CUPnPSettingsEngine

// C++ default constructor can NOT contain any code, that

// might leave.

// --------------------------------------------------------------------------

//

CUPnPSettingsEngine::CUPnPSettingsEngine()

    {

    __LOG("CUPnPSettingsEngine::CUPnPSettingsEngine()");

    }

// --------------------------------------------------------------------------

// CUPnPSettingsEngine::NewLC

// Two-phased constructor.

// --------------------------------------------------------------------------

//

EXPORT_C CUPnPSettingsEngine* CUPnPSettingsEngine::NewLC()

    {

    __LOG("CUPnPSettingsEngine::NewLC()");

    CUPnPSettingsEngine* self = new (ELeave) CUPnPSettingsEngine;

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

// --------------------------------------------------------------------------

// CUPnPSettingsEngine::NewL

// Two-phased constructor.

// --------------------------------------------------------------------------

//

EXPORT_C CUPnPSettingsEngine* CUPnPSettingsEngine::NewL()

    {

    __LOG("CUPnPSettingsEngine::NewL()");

    CUPnPSettingsEngine* self = CUPnPSettingsEngine::NewLC();

    CleanupStack::Pop( self );

    return self;

    }

// --------------------------------------------------------------------------

// CUPnPSettingsEngine::ConstructL

// Symbian 2nd phase constructor can leave.

// --------------------------------------------------------------------------

//

void CUPnPSettingsEngine::ConstructL()

    {

    iRepository = CRepository::NewL( KCRUidUPnPApplication );

    iUpnpRepository = CUpnpSettings::NewL(KCRUidUPnPStack);

    //set model, ManufacturerUrl, and ModelUrl into UpnpMediaServerSettings

    SetManufacturerParamsL();

    }

// Destructor

EXPORT_C CUPnPSettingsEngine::~CUPnPSettingsEngine()

    {

    __LOG("CUPnPSettingsEngine::~CUPnPSettingsEngine()");

    delete iRepository;

    iRepository = NULL;

    delete iUpnpRepository;

    iUpnpRepository = NULL;

    }

// --------------------------------------------------------------------------

// CUPnPSettingsEngine::SetLocalFriendlyName

// Sets friendly name to Central Repository

// --------------------------------------------------------------------------

//

EXPORT_C TInt CUPnPSettingsEngine::SetLocalFriendlyName(

    const TDesC8& aFriendlyName ) const

    {

    __LOG("CUPnPSettingsEngine::SetLocalFriendlyName()");

    TBuf8<KMaxNameLength> name;

    name.Copy(aFriendlyName);

    TInt err( KErrNone );

    TRAP_IGNORE(

        CUpnpMediaServerSettings* settings = CUpnpMediaServerSettings::NewL();

        CleanupStack::PushL(settings);

        err = settings->SetL( UpnpMediaServerSettings::EFriendlyName, name);

        CleanupStack::PopAndDestroy(settings);

        );

    return err;

    }

// --------------------------------------------------------------------------

// CUPnPSettingsEngine::GetLocalFriendlyName

// Gets friendly name from Central Repository.

// --------------------------------------------------------------------------

//

EXPORT_C TInt CUPnPSettingsEngine::GetLocalFriendlyName(

    TDes8& aFriendlyName ) const

    {

    __LOG("CUPnPSettingsEngine::GetLocalFriendlyName()");

    TInt err( KErrNone );

    TRAP(err, err = GetLocalFriendlyNameL( aFriendlyName ) );

    return err;

    }

// --------------------------------------------------------------------------

// CUPnPSettingsEngine::GetLocalFriendlyNameL

// Gets friendly name from Central Repository.

// --------------------------------------------------------------------------

//

TInt CUPnPSettingsEngine::GetLocalFriendlyNameL(

    TDes8& aFriendlyName ) const

    {

    __LOG("CUPnPSettingsEngine::GetLocalFriendlyNameL()");

    CUpnpMediaServerSettings* settings = CUpnpMediaServerSettings::NewL();

    CleanupStack::PushL( settings );

    HBufC8 *tmp = settings->GetL( UpnpMediaServerSettings::EFriendlyName );

    //check if there is any name for the device

    if ( !tmp->Length() )

        {

        //no name available, try to get the device model name as the 

        //device name

        // Read device model

        delete tmp; tmp = NULL;

        //string ownership transferred

        tmp = settings->GetL( UpnpMediaServerSettings::

                              EModelName );

        if ( tmp->Length() )

            {

            //if device model name is available

            aFriendlyName.Copy( *tmp );

            }

        else

            {

            // final try if reading model name fails, use manufacturer name

            // as device name

            aFriendlyName.Copy( KManufacturerName );

            }

        }

    else

        {

        aFriendlyName.Copy( *tmp );

        }

    delete tmp; tmp = NULL;

    CleanupStack::PopAndDestroy( settings );

    return KErrNone;

    }

// --------------------------------------------------------------------------

// CUPnPSettingsEngine::SetAccessPoint

// Sets IAP to Central Repository

// --------------------------------------------------------------------------

//

EXPORT_C TInt CUPnPSettingsEngine::SetAccessPoint( const TInt aIAP )

    {

    TInt value = aIAP; // remove constness

    return iUpnpRepository->Set(CUpnpSettings::KUPnPStackIapId, value );

    }

// --------------------------------------------------------------------------

// CUPnPSettingsEngine::GetAccessPoint

// Gets IAP from Central Repository.

// --------------------------------------------------------------------------

//

EXPORT_C TInt CUPnPSettingsEngine::GetAccessPoint( TInt& aIAP )

    {

    return iUpnpRepository->Get(CUpnpSettings::KUPnPStackIapId, aIAP );

    }

// --------------------------------------------------------------------------

// CUPnPSettingsEngine::SetAccessPointSetting

// Sets IAP setting to Central Repository

// --------------------------------------------------------------------------

//

EXPORT_C TInt CUPnPSettingsEngine::SetAccessPointSetting(

    const TInt aIAPSetting )

    {

    return iRepository->Set( KUPnPAppAccessPointSetting, aIAPSetting );

    }

// --------------------------------------------------------------------------

// CUPnPSettingsEngine::GetAccessPointSetting

// Gets IAP setting from Central Repository.

// --------------------------------------------------------------------------

//

EXPORT_C TInt CUPnPSettingsEngine::GetAccessPointSetting( TInt& aIAPSetting )

    {

    return iRepository->Get( KUPnPAppAccessPointSetting, aIAPSetting );

    }

// --------------------------------------------------------------------------

// CUPnPSettingsEngine::SetWapId

// Sets iap wap id to Central Repository

// --------------------------------------------------------------------------

//

EXPORT_C TInt CUPnPSettingsEngine::SetWapId( const TInt aWapId )

    {

    return iRepository->Set( KUPnPAppWapId, aWapId );

    }

// --------------------------------------------------------------------------

// CUPnPSettingsEngine::GetWapId

// Gets iap wap id from Central Repository

// --------------------------------------------------------------------------

//

EXPORT_C TInt CUPnPSettingsEngine::GetWapId( TInt& aWapId )

    {

    return iRepository->Get( KUPnPAppWapId, aWapId );

    }

// --------------------------------------------------------------------------

// CUPnPSettingsEngine::GetFirstStart

// Gets information if this is the first start of home network

// --------------------------------------------------------------------------

//

EXPORT_C TInt CUPnPSettingsEngine::GetFirstStart( TInt& aFirstStart )

    {

    TInt err ( iRepository->Get( KUPnPAppFirstStart, aFirstStart ));

    if ( aFirstStart )

        {

        TRAP_IGNORE(

        RFs fs;

        err = fs.Connect();

        CleanupClosePushL( fs );

        TVolumeInfo volumeInfo;

        TDriveUnit driveUnit;

        TInt err = fs.Volume(volumeInfo, EDriveE);

        if( err == KErrNone && volumeInfo.iFree > 0)

            {

            driveUnit = TDriveUnit( PathInfo::MemoryCardRootPath() );

            }

        else

            {

            driveUnit = TDriveUnit( PathInfo::PhoneMemoryRootPath() );

            }

        CleanupStack::PopAndDestroy( &fs );

        SetCopyLocationL( (TDriveNumber)((TInt)driveUnit) ));

        }

    return err;

    }

// --------------------------------------------------------------------------

// CUPnPSettingsEngine::SetFirstStart

// Sets information if this is the first start of home network

// --------------------------------------------------------------------------

//

EXPORT_C TInt CUPnPSettingsEngine::SetFirstStart( const TInt aFirstStart )

    {

    return iRepository->Set( KUPnPAppFirstStart, aFirstStart );

    }

// --------------------------------------------------------------------------

// CUPnPSettingsEngine::SetManufacturerParamsL

// Sets the mandatory manufacturer settings

// --------------------------------------------------------------------------

//

EXPORT_C TInt CUPnPSettingsEngine::SetManufacturerParamsL() const

    {

    __LOG("CUPnPSettingsEngine::SetManufacturerParamsL()");

    CUpnpMediaServerSettings* settings = CUpnpMediaServerSettings::NewL();

    CleanupStack::PushL( settings );

    // Manufacturer

    InitializePropertyL( *settings, 

                         UpnpMediaServerSettings::EManufacturer, 

                         KManufacturerName );

    // Model name

    HBufC8* model = HBufC8::NewLC( KMaxFileName );

    TPtr8 modelPtr( model->Des() );

    TInt err = ReadDeviceModelL( modelPtr );

    if( err )

        {

        model->Des().Copy( KModel );

        }

    InitializePropertyL( *settings, 

                         UpnpMediaServerSettings::EModelName, 

                         *model );

    // Friendly name

    InitializePropertyL( *settings, 

                         UpnpMediaServerSettings::EFriendlyName, 

                         *model );

    CleanupStack::PopAndDestroy( model );

    // Manufacturer url

    InitializePropertyL( *settings, 

                         UpnpMediaServerSettings::EManufacturerUrl, 

                         KManufacturerUrl );

    // Model url

    InitializePropertyL( *settings, 

                         UpnpMediaServerSettings::EModelUrl, 

                         KModelUrl );

    CleanupStack::PopAndDestroy( settings );

    return KErrNone;

    }

// --------------------------------------------------------------------------

// CUPnPSettingsEngine::ReadDeviceModelL

// Get device model

// --------------------------------------------------------------------------

//

TInt CUPnPSettingsEngine::ReadDeviceModelL( TDes8& aModel ) const

    {

    __LOG("CUPnPSettingsEngine::ReadDeviceModel()");

    RFs fs;

    RFile file;

    User::LeaveIfError( fs.Connect() );

    CleanupClosePushL( fs );

    HBufC*path = HBufC::NewLC( KMaxFileName );

    TParse parse;

    parse.Set( PathInfo::RomRootPath(), NULL, NULL );

    TPtrC romDrive = parse.Drive();

    path->Des().Append( romDrive );

    path->Des().Append( KModelFile() );

    TInt error ( file.Open(fs, *path, EFileRead ));

    if ( !error )

        {

        CleanupClosePushL( file );

        TFileText txtFile;

        txtFile.Set( file );

        HBufC* readBuf = HBufC::NewLC( KMaxFileName );

        txtFile.Seek( ESeekStart );

        TPtr bufPtr( readBuf->Des() );

        error = txtFile.Read( bufPtr ); // read one line

        if ( !error )

            {

            HBufC8* bufbuf = UpnpString::FromUnicodeL( *readBuf );

            CleanupStack::PushL( bufbuf );

            aModel = *bufbuf;

            CleanupStack::PopAndDestroy( bufbuf );

            }

        CleanupStack::PopAndDestroy( readBuf );

        CleanupStack::PopAndDestroy( &file ); // Close file

        }

    CleanupStack::PopAndDestroy( path );    

    CleanupStack::PopAndDestroy( &fs );

    return error;

    }

// --------------------------------------------------------------------------

// CUPnPSettingsEngine::GetCopyLocationDriveL

// Gets the drive of the location for copied files

// --------------------------------------------------------------------------

//

EXPORT_C void CUPnPSettingsEngine::GetCopyLocationDriveL( 

    TDriveNumber& aDrive )

    const

    {

    __LOG("CUPnPSettingsEngine::GetCopyLocationDriveL()");

    HBufC* location = HBufC::NewL(KMaxFileName);

    CleanupStack::PushL( location );

    TBool isPhoneMem( EFalse );

    TPtr locationPtr( location->Des() );

    GetCopyLocationL( locationPtr, isPhoneMem );

    TDriveUnit driveUnit = TDriveUnit( locationPtr );

    aDrive = (TDriveNumber)((TInt)driveUnit);

    CleanupStack::PopAndDestroy( location );

    }

// --------------------------------------------------------------------------

// CUPnPSettingsEngine::GetCopyLocationL

// Gets the location for copied files

// --------------------------------------------------------------------------

//

EXPORT_C void CUPnPSettingsEngine::GetCopyLocationL( TDes& aLocation,

                                                    TBool& aIsPhoneMemory )

    const

    {

    __LOG("CUPnPSettingsEngine::GetCopyLocationL()");

    // Get instance of Server Settings object

    CUpnpMediaServerSettings* settings = CUpnpMediaServerSettings::NewL();

    CleanupStack::PushL( settings );

    // Get the location setting from ServerSettings

    settings->Get( UpnpMediaServerSettings::EUploadDirectory, aLocation );

    // Check to see if drive is ready.

    TVolumeInfo volInfo;

    TDriveUnit driveUnit = TDriveUnit( aLocation );

    RFs fileServer;

    User::LeaveIfError( fileServer.Connect() );

    CleanupClosePushL( fileServer );

    TInt error = fileServer.Volume( volInfo, driveUnit );

    CleanupStack::PopAndDestroy( &fileServer );

    // check if memory is present

    // Revert to phone memory if location is not available

    // If the location is full no need to change the location. User will be

    // informed that memory is full and the location should be changed

    if( error == KErrNone )

        {

        TDriveUnit driveUnit = TDriveUnit( aLocation );    

        if( driveUnit == EDriveC )

            {

            aIsPhoneMemory = ETrue;

            }

        else

            {

            aIsPhoneMemory = EFalse;

            }

        }

    else

        {

        SetCopyLocationL( EDriveC );

        aIsPhoneMemory = ETrue;

        }

    CleanupStack::PopAndDestroy( settings );

    }

// --------------------------------------------------------------------------

// CUPnPSettingsEngine::SetCopyLocationL

// Sets the location for copied files

// --------------------------------------------------------------------------

//

EXPORT_C TInt CUPnPSettingsEngine::SetCopyLocationL( 

    const TDriveNumber aDrive )

    const

    {

    __LOG("CUPnPSettingsEngine::SetCopyLocationL()");

    TInt err( KErrNone );

    HBufC* path = HBufC::NewL( KMaxFileName );

    CleanupStack::PushL( path );

    CUpnpMediaServerSettings* settings =

        CUpnpMediaServerSettings::NewL();

    CleanupStack::PushL( settings );

    TDriveUnit driveUnit = TDriveUnit( aDrive );

    path->Des().Append( driveUnit.Name() );

    if( aDrive == EDriveC )

        {

        path->Des().Append( KUploadDirectoryCDrive );

        }

    else

        {

        path->Des().Append( KUploadDirectory );

        }

    err = settings->Set( UpnpMediaServerSettings::EUploadDirectory, *path );

    CleanupStack::PopAndDestroy( settings );

    CleanupStack::PopAndDestroy( path );