/*

* Copyright (c) 2006 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:    

*

*/

#ifndef ICECANDIDATEHANDLERDEFS_H

#define ICECANDIDATEHANDLERDEFS_H

#include <e32base.h>

#include <in_sock.h>

class CNATFWPluginApi;

_LIT8( KNatPluginIdNokiaStun, "nokia.stun" );

_LIT8( KNatPluginIdNokiaTurn, "nokia.turn" );

_LIT8( KNatPluginIdNokiaIce, "nokia.ice" );

_LIT8( KNatPluginIdNokiaHost, "nokia.host" );

_LIT8( KNatPluginTypeStun, "stun" );

_LIT8( KNatPluginTypeTurn, "turn" );

_LIT8( KNatPluginTypeIce, "ice" );

_LIT8( KNatPluginTypeHost, "host" );

const TInt KErrRoleConflict = 487;

template <class T>

class CleanupResetAndDestroy

    {

public:

    inline static void PushL( T& aRef );

private:

    static void ResetAndDestroy( TAny *aPtr );

    };

template <class T>

inline void CleanupResetAndDestroyPushL( T& aRef );

template <class T>

inline void CleanupResetAndDestroy<T>::PushL( T& aRef )

    { CleanupStack::PushL( TCleanupItem( &ResetAndDestroy, &aRef ) ); }

template <class T>

void CleanupResetAndDestroy<T>::ResetAndDestroy( TAny *aPtr )

    { 

    if ( aPtr )

        {

        static_cast<T*>( aPtr )->ResetAndDestroy();

        }

    }

template <class T>

inline void CleanupResetAndDestroyPushL( T& aRef )

    { CleanupResetAndDestroy<T>::PushL( aRef ); }

class TCounter

    {

public:

    TCounter( TUint aStreamId )

        :

        iStreamId( aStreamId ),

        iCount( 0 ) { }

    TCounter( TUint aStreamId, TInt aCount )

        :

        iStreamId( aStreamId ),

        iCount( aCount ) { }

    TUint StreamId() const { return iStreamId; }

    TUint Count() const { return iCount; }

    TBool operator==( TInt aCount ) const

        { return ( iCount == aCount ); }

    TBool operator!=( TInt aCount ) const

        { return ( iCount != aCount ); }

    TCounter operator++( TInt )

        { TCounter temp = *this; ++iCount; return temp; }

    TCounter& operator++()

        { ++iCount; return *this; }

    TCounter operator--( TInt )

        { TCounter temp = *this; --iCount; return temp; }

    TCounter& operator--()

        { --iCount; return *this; }

    static TBool MatchStreamId( 

        const TCounter& aCnt1,

        const TCounter& aCnt2 )

        {

        return ( aCnt1.StreamId() == aCnt2.StreamId() );

        }

private:

    TCounter();

    TUint iStreamId;

    TInt iCount;

    };

class TIceUtils

    {

public:

    static TBool MatchAddresses( 

            const TInetAddr& aAddr1, const TInetAddr& aAddr2 )

        {

        // CmpAddr does not interpret IPv4 and IPv4-mapped/compatible addresses

        // as same even if they represent same address. Thus extra testing is

        // needed to handle that case.

        TBool isMatch = 

            ( aAddr1.CmpAddr( aAddr2 ) || ( aAddr1.Address() == aAddr2.Address() 

                && aAddr1.Port() == aAddr2.Port() ) );

        return isMatch;

        }

    };

#endif // ICECANDIDATEHANDLERDEFS_H