natfw/natfwstunturnclient/src/cstunbindinggetaddress.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 17 Sep 2010 08:32:38 +0300
changeset 54 21e9ee993fc8
parent 0 1bce908db942
permissions -rw-r--r--
Revision: 201035 Kit: 201037
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/*
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* Copyright (c) 2005-2007 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:    
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*
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*/
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#include "natfwunsaflog.h"
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#include "stunassert.h"
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#include "cstunbindinggetaddress.h"
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#include "natfwbindingimplementationbase.h"
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#include "stunutils.h"
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#include "stunturnclientlogs.h"
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// ======== MEMBER FUNCTIONS ========
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// ---------------------------------------------------------------------------
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// CSTUNBindingGetAddress::CSTUNBindingGetAddress
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// ---------------------------------------------------------------------------
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//
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CSTUNBindingGetAddress::CSTUNBindingGetAddress()
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    {
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    }
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// ---------------------------------------------------------------------------
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// CSTUNBindingGetAddress::CSTUNBindingGetAddress
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// Dummy implementation, as copy constructor is declared private and not used.
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// ---------------------------------------------------------------------------
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//
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CSTUNBindingGetAddress::CSTUNBindingGetAddress(
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    const CSTUNBindingGetAddress& /*aGetAddress*/ ) :
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    CSTUNBindingState()
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    {    
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    }
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// ---------------------------------------------------------------------------
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// CSTUNBindingGetAddress::~CSTUNBindingGetAddress
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// ---------------------------------------------------------------------------
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//
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CSTUNBindingGetAddress::~CSTUNBindingGetAddress()
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    {
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    iErrorBuffer.Close();    
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    }
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// ---------------------------------------------------------------------------
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// CSTUNBindingGetAddress::PublicAddressReceivedL
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// ---------------------------------------------------------------------------
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//
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void CSTUNBindingGetAddress::PublicAddressReceivedL(
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    CBindingImplementation& aContext,
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    const TInetAddr& aPublicAddress ) const
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    {
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    NATFWUNSAF_ADDRLOG( "STUNBinding public addr", aPublicAddress )
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    aContext.StoreAddressL( aPublicAddress );
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    aContext.ChangeState( *iActive );
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    }
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// ---------------------------------------------------------------------------
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// CSTUNBindingGetAddress::PublicAddressReceivedL - overloaded for stun relay
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// ---------------------------------------------------------------------------
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//
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void CSTUNBindingGetAddress::PublicAddressReceivedL(
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    CBindingImplementation& aContext,
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    const TInetAddr& aReflexiveAddr,
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    const TInetAddr& aRelayAddr ) const
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    {
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    NATFWUNSAF_ADDRLOG( "STUNRelayBinding public addr", aReflexiveAddr )
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    NATFWUNSAF_ADDRLOG( "STUNRelayBinding relay addr", aRelayAddr )
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    aContext.StoreAddressL( aReflexiveAddr, aRelayAddr );
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    aContext.ChangeState( *iActive );
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    }
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// ---------------------------------------------------------------------------
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// CSTUNBindingGetAddress::TransactionError
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// ---------------------------------------------------------------------------
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//
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void
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CSTUNBindingGetAddress::TransactionError( CBindingImplementation& aContext,
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                                          TInt aError )
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    {
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    __STUNTURNCLIENT_INT1( 
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        "CSTUNBindingGetAddress::TransactionError Error: ", aError )
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    __STUN_ASSERT_RETURN( aError != KErrNone, KErrArgument );
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    TInt error( KErrNone );
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    TInt found( KErrNotFound );
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    if ( iErrorBuffer.Count() > 0 )
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        {
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        found = iErrorBuffer.Find( aError );
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        if ( KErrNotFound != found )
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            {
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            // Same error happened again, stop error handling
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            __STUNTURNCLIENT( 
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                "Same error happened again, end processing" )
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            aContext.Terminate( aError );
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            return;
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            }
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        }
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    if ( iErrorBuffer.Count() == 0 || KErrNotFound == found  )
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        {
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        iErrorBuffer.Append( aError );
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        }
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    if ( aContext.HandleTransactionError( aError ) )
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        {
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        if ( STUNUtils::Is5xxResponse( aError ) )
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            {
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            __STUNTURNCLIENT( "Is5xxResponse" )
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            aContext.WaitBeforeRetrying();
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            aContext.ChangeState( *iWaitToRetry );
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            }
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        if ( E430StaleCredentials == aError || E436UnknownUsername == aError ||
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             E432MissingUsername == aError || E434MissingRealm == aError )
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            {
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            aContext.ChangeState( *iGetSharedSecret );
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            TRAP( error, aContext.ClientL().BindingErrorL( 
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                aContext.Binding(), aError, EFalse ) );
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            if ( KErrNone != error )
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                {
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                __STUNTURNCLIENT_INT1( "TransactionError leave ", error )
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                aContext.Terminate( error );
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                }
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            }
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        if ( E401Unauthorized == aError )
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            {
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            aContext.ChangeState( *iGetSharedSecret );
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            TRAP( error, aContext.ClientL().BindingErrorL( 
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                aContext.Binding(), aError, EFalse ) );
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            if ( error != KErrNone )
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                {
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                __STUNTURNCLIENT_INT1( "TransactionError 401 LEAVED: ", error )
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                aContext.Terminate( error );
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                }
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            }
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        if ( E300TryAlternate == aError )
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            {
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            // last argument is true, because binding cannot be destroyed
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            // before alternate server is read from it.
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            TRAP_IGNORE( aContext.ClientL().BindingErrorL( 
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                aContext.Binding(), aError, ETrue ) );
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            }
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        else
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            {
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            // this branch will send new request
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            aContext.ChangeState( *iGetSharedSecret );
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            TRAP( error, aContext.GetSharedSecretL() );
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            if ( error != KErrNone )
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                {
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                aContext.Terminate( error );
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                }
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            }
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        }
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    else
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        {
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        aContext.Terminate( aError );
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        }
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    }
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// ---------------------------------------------------------------------------
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// CSTUNBindingGetAddress::SendRequestL
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// No action, since obtaining a binding is already in progress.
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// ---------------------------------------------------------------------------
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//
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void CSTUNBindingGetAddress::SendRequestL(
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    CBindingImplementation& /*aContext*/ ) const
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    {
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    }
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// ---------------------------------------------------------------------------
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// CSTUNBindingGetAddress::SetNeighbourStates
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// ---------------------------------------------------------------------------
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//
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void CSTUNBindingGetAddress::SetNeighbourStates(
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    CSTUNBindingState& aGetSharedSecret,
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    CSTUNBindingState& aWaitToRetry,
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    CSTUNBindingState& aActive )
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    {
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    iGetSharedSecret = &aGetSharedSecret;
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    iWaitToRetry = &aWaitToRetry;
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    iActive = &aActive;
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    }