--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/natfw/natfwicecandidatehandler/inc/icecandidatehandlerdefs.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,138 @@
+/*
+* 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