/*

* Copyright (c) 2005-2007 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:    

*

*/

#include "stunutils.h"

#include "natfwunsafmessage.h"

#include "natfwunsafmappedaddressattribute.h"

#include "natfwunsafxormappedaddressattribute.h"

#include "natfwunsafunknownattributesattribute.h"

#include "stunturnclientlogs.h"

#include "natfwunsafrelayaddressattribute.h"

#include "natfwunsaftimervalattribute.h"

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

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

// STUNUtils::GetMappedAddress

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

//

TBool STUNUtils::GetMappedAddress( const CNATFWUNSAFMessage& aResponse,

                                   TInetAddr& aAddr )

    {

    __STUNTURNCLIENT( "STUNUtils::GetMappedAddress" )

    CNATFWUNSAFMappedAddressAttribute* mappedAddress =

        static_cast<CNATFWUNSAFMappedAddressAttribute*>

            ( aResponse.Attribute( CNATFWUNSAFAttribute::EMappedAddress ) );

    if ( mappedAddress )

        {

        aAddr = mappedAddress->Address();

        return ETrue;

        }

    return EFalse;

    }

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

// STUNUtils::GetXorMappedAddressL

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

//

TBool STUNUtils::GetXorMappedAddressL( const CNATFWUNSAFMessage& aResponse,

                                       TInetAddr& aAddr )

    {

    __STUNTURNCLIENT( "STUNUtils::GetXorMappedAddressL" )

    CNATFWUNSAFXorMappedAddressAttribute* xorMappedAddress =

        static_cast<CNATFWUNSAFXorMappedAddressAttribute*>

            ( aResponse.Attribute( CNATFWUNSAFAttribute::EXorMappedAddress ) );

    if ( xorMappedAddress )

        {

        xorMappedAddress->SetTransactionIDAndXorL( aResponse.TransactionID() );

        aAddr = xorMappedAddress->Address();

        return ETrue;

        }

    return EFalse;

    }

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

// STUNUtils::GetRelayAddressL

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

//

TBool STUNUtils::GetRelayAddressL( const CNATFWUNSAFMessage& aResponse,

                                   TInetAddr& aAddr )

    {

    __STUNTURNCLIENT( "STUNUtils::GetRelayAddressL" )

    CNATFWUNSAFRelayAddressAttribute* relayAddress =

    static_cast<CNATFWUNSAFRelayAddressAttribute*>

            ( aResponse.Attribute( CNATFWUNSAFAttribute::ERelayAddress ) );

    if ( relayAddress )

        {

        aAddr = relayAddress->Address();

        return ETrue;

        }

    return EFalse;

    }

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

// STUNUtils::GetTimerValueL

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

//

TBool STUNUtils::GetTimerValueL( const CNATFWUNSAFMessage& aResponse,

                                 TUint32& aTimerVal )

    {

    __STUNTURNCLIENT( "STUNUtils::GetTimerValueL" )

    CNATFWUNSAFTimerValAttribute* timerval =

    static_cast<CNATFWUNSAFTimerValAttribute*>

            ( aResponse.Attribute( CNATFWUNSAFAttribute::ETimerVal ) );

    if ( timerval )

        {

        aTimerVal = timerval->TimerVal();

        return ETrue;

        }

    return EFalse;

    }

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

// STUNUtils::Is5xxResponse

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

//

TBool STUNUtils::Is5xxResponse( TInt aResponseCode )

    {

    return ( aResponseCode >= 500 && aResponseCode < 600 );

    }

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

// STUNUtils::RemoveUnknownAttributes

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

//

void STUNUtils::RemoveUnknownAttributes( CNATFWUNSAFMessage& aMessage,

    const CNATFWUNSAFUnknownAttributesAttribute& aUnknownAttr )

    {

    __STUNTURNCLIENT( "STUNUtils::RemoveUnknownAttributes" )

    const RArray<TUint32>& unknown = aUnknownAttr.ContainedAttributes();

    for ( TInt i = 0; i < unknown.Count(); ++i )

        {        

        aMessage.DeleteAttribute( static_cast<TUint16>( unknown[i] ) );

        }

    __STUNTURNCLIENT( "STUNUtils::RemoveUnknownAttributes end" )

    }