--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/natfw/natfwstunturnclient/src/stunutils.cpp	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,137 @@
+/*
+* 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" )
+    }