--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/natfw/natfwstunturnclient/src/cstuntimeruser.cpp	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,157 @@
+/*
+* Copyright (c) 2005 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 "stunassert.h"
+#include "cstuntimeruser.h"
+#include "stunutils.h"
+#include "stunturnclientlogs.h"
+
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// CSTUNTimerUser::CSTUNTimerUser
+// ---------------------------------------------------------------------------
+//
+CSTUNTimerUser::CSTUNTimerUser( CDeltaTimer& aDeltaTimer ) :
+    iDeltaTimer( aDeltaTimer )
+    {    
+    }
+
+// ---------------------------------------------------------------------------
+// CSTUNTimerUser::CSTUNTimerUser
+// Dummy implementation. Default constructor is declared private and not used.
+// ---------------------------------------------------------------------------
+//
+CSTUNTimerUser::CSTUNTimerUser() : iDeltaTimer( *( CDeltaTimer* )0x1 )
+    {
+    }
+
+// ---------------------------------------------------------------------------
+// CSTUNTimerUser::CSTUNTimerUser
+// Dummy implementation, as copy constructor is declared private and not used.
+// ---------------------------------------------------------------------------
+//
+CSTUNTimerUser::CSTUNTimerUser( const CSTUNTimerUser& aTimerUser ) :
+    CBase(),
+    iDeltaTimer( aTimerUser.iDeltaTimer )
+    {    
+    }
+
+// ---------------------------------------------------------------------------
+// CSTUNTimerUser::~CSTUNTimerUser
+// ---------------------------------------------------------------------------
+//
+CSTUNTimerUser::~CSTUNTimerUser()
+    {
+    StopTimer();
+    }
+
+// ---------------------------------------------------------------------------
+// CSTUNTimerUser::StartTimer
+// ---------------------------------------------------------------------------
+//
+void CSTUNTimerUser::StartTimer( TInt aDuration )
+    {
+    __STUNTURNCLIENT_INT1( "CSTUNTimerUser::StartTimer, duration = ", aDuration )
+    __STUN_ASSERT_RETURN( !iIsRunning, KErrNotReady );
+
+    TCallBack callback( TimerExpired, this );
+    iTimerEntry.Set( callback );
+
+    iDeltaTimer.Queue( TimerDuration( aDuration ), iTimerEntry );
+    iIsRunning = ETrue;
+    }
+
+// -----------------------------------------------------------------------------
+// CSTUNTimerUser::StopTimer
+// -----------------------------------------------------------------------------
+//
+void CSTUNTimerUser::StopTimer()
+    {
+    __STUNTURNCLIENT( "CSTUNTimerUser::StopTimer" )
+    iDeltaTimer.Remove( iTimerEntry );
+    iIsRunning = EFalse;
+    }
+
+// -----------------------------------------------------------------------------
+// CSTUNTimerUser::TimerExpired
+// -----------------------------------------------------------------------------
+//
+TInt CSTUNTimerUser::TimerExpired( TAny *aPtr )
+    {
+    __STUNTURNCLIENT( "CSTUNTimerUser::TimerExpired" )
+    __STUN_ASSERT_RETURN_VALUE( aPtr, KErrArgument );
+
+    CSTUNTimerUser* handler = reinterpret_cast<CSTUNTimerUser*>( aPtr );
+    handler->iIsRunning = EFalse;
+
+    TRAPD( err, handler->TimerExpiredL() );
+    
+    //Even if TimerExpiredL made an asynchronous callback, the actual callback
+    //function has not been called yet, so application can't have deleted
+    //handler yet.
+    //Binding must be implemented so that it if has deleted the transaction,
+    //TimerExpiredL will not leave after that!
+    if ( err != KErrNone )
+        {
+        handler->LeaveFromTimerExpired( err );
+        }
+
+    return KErrNone;
+    }
+
+// -----------------------------------------------------------------------------
+// CSTUNTimerUser::DeltaTimer
+// -----------------------------------------------------------------------------
+//
+CDeltaTimer& CSTUNTimerUser::DeltaTimer()
+    {
+    return iDeltaTimer;
+    }
+    
+// -----------------------------------------------------------------------------
+// CSTUNTimerUser::IsRunning
+// -----------------------------------------------------------------------------
+//
+TBool CSTUNTimerUser::IsRunning() const
+    {
+    __STUNTURNCLIENT_INT1( "CSTUNTimerUser::IsRunning, isRunning = ", iIsRunning )
+    return iIsRunning;
+    }
+
+// -----------------------------------------------------------------------------
+// CSTUNTimerUser::TimerDuration
+// -----------------------------------------------------------------------------
+//
+TTimeIntervalMicroSeconds32 CSTUNTimerUser::TimerDuration( TInt aMilliseconds )
+    {
+    __STUNTURNCLIENT( "CSTUNTimerUser::TimerDuration" )
+    const TInt KMicrosecInMillisec = 1000;
+    const TInt KMaxMilliseconds = KMaxTInt32 / KMicrosecInMillisec;
+
+    __ASSERT_DEBUG( aMilliseconds <= KMaxMilliseconds,
+                    User::Panic( _L( "STUN:Timer overflow" ), KErrOverflow ) );
+    __ASSERT_ALWAYS( aMilliseconds <= KMaxMilliseconds,
+                     aMilliseconds = KMaxMilliseconds );
+
+    TTimeIntervalMicroSeconds32 microSec( aMilliseconds * KMicrosecInMillisec );
+    return microSec;
+    }