--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/natfw/natfwturnplugin/inc/natfwturnrefreshtimer.h Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,118 @@
+/*
+* Copyright (c) 2006 - 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: Sends keepalive messages to TURN Client in order to keep
+* allocation in TURN Server alive
+*
+*/
+
+
+
+
+#ifndef C_NATFWTURNREFRESHTIMER_H
+#define C_NATFWTURNREFRESHTIMER_H
+
+#include <e32base.h>
+
+class MNATFWRefreshObserver;
+
+/**
+ * Sends keepalive messages to TURN Client.
+ *
+ * Sends keepalive messages to TURN Client in order to keep
+ * allocation in TURN Server alive. Gets interval in microseconds from
+ * CNATFWTurnPlugin.
+ *
+ * @lib turnplugin.lib
+ * @since S60 v3.2
+ */
+class CNATFWTurnRefreshTimer : public CActive
+ {
+public:
+
+ /**
+ * Creates a new instance of NAT FW TURN Refresh Timer.
+ *
+ * @since S60 v3.2
+ * @param aObserver Observer for callbacks to timer's user
+ * @return A new instance, ownership is transferred.
+ */
+ static CNATFWTurnRefreshTimer* NewL( MNATFWRefreshObserver&aObserver );
+
+ /**
+ * Creates a new instance of NAT FW TURN Refresh Timer and
+ * pushes it to CleanupStack.
+ *
+ * @since S60 v3.2
+ * @param aObserver Observer for callbacks to timer's user
+ * @return A new instance, ownership is transferred.
+ */
+ static CNATFWTurnRefreshTimer* NewLC( MNATFWRefreshObserver&aObserver );
+
+ ~CNATFWTurnRefreshTimer();
+
+ /**
+ * Waits for given time (aInterval) and calls SetActive().
+ * If interval is 0, timer is cancelled.
+ *
+ * @since S60 v3.2
+ * @param aInterval Interval in microseconds
+ */
+ void StartTurnRefresh( TUint aInterval );
+
+ /**
+ * Client can query if refresh is going on.
+ *
+ * @since S60 v3.2
+ * @return ETrue if refreshing
+ */
+ TBool IsRunning() const;
+
+protected:
+
+ /**
+ * from CActive
+ */
+ void RunL();
+
+ /**
+ * from CActive
+ */
+ void DoCancel();
+
+private:
+
+ CNATFWTurnRefreshTimer( MNATFWRefreshObserver&aObserver );
+
+ void ConstructL();
+
+private: // data
+
+ /**
+ * Interval in microseconds
+ */
+ TUint iInterval;
+
+ /**
+ * Asynchronous timer service.
+ */
+ RTimer iTimer;
+
+ /**
+ * MNATFWRefreshObserver reference.
+ */
+ MNATFWRefreshObserver& iObserver;
+
+ };
+
+#endif // C_NATFWTURNREFRESHTIMER_H