--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/IMPSengine/ImpsIpCirWatcher/ImpsUdpIpCirWatcher/inc/UdpCirWatcher.h	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,175 @@
+/*
+* Copyright (c) 2003 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: CirWatcher for UDP
+*
+*
+*/
+
+
+#ifndef __UDPCIRWATCHER__
+#define __UDPCIRWATCHER__
+
+// INCLUDES
+#include <in_sock.h>
+#include <es_sock.h>
+#include "ImpsIpCirWatcherAPI.h"
+
+
+
+//FORWARD DECLARATIONS
+class CUdpSocketListener;
+class MImpsConnectionManager;
+
+// CLASS DECLARATION
+class CUdpCirWatcher : public CImpsUdpCirWatcher
+
+    {
+    public:  // Constructors and destructor
+
+        /**
+        * Symbian OS default constructor.
+        * @param aPingInterval Interval of the ping requests
+        * @param aConnManager Reference to the active connection manager
+        */
+        static CUdpCirWatcher* NewL();
+
+        /**
+        * Symbian OS default constructor.
+        * @param aPingInterval Interval of the ping requests
+        * @param aConnManager Reference to the active connection manager
+        */
+        void RegisterCirReceiverL( const MImpsCirReceiver& aCirReceiver,
+                                   const TInt aServicePort = KDefaultUDPPortNumber );
+
+        /**
+        * Symbian OS default constructor.
+        * @param aPingInterval Interval of the ping requests
+        * @param aConnManager Reference to the active connection manager
+        */
+        void UnregisterCirReceiverL( const MImpsCirReceiver& aCirReceiver );
+
+        /**
+        * Reset all watchers on a specified port. By default resets
+        * all watchers on all ports!
+        * @param TInt The port to reset; by default all ports
+        * @return void
+        */
+        void Reset( const TInt aServicePort = KErrArgument );
+
+        /**
+        * Symbian OS default constructor.
+        * @param aPingInterval Interval of the ping requests
+        * @param aConnManager Reference to the active connection manager
+        */
+        virtual void DeleteSingleton();
+
+        /**
+        * Symbian OS default constructor.
+        * @param aPingInterval Interval of the ping requests
+        * @param aConnManager Reference to the active connection manager
+        */
+        virtual void Destroy();
+
+        /**
+        * Destructor.
+        */
+        virtual ~CUdpCirWatcher();
+
+    public:   //New functions
+
+        /**
+        * Symbian OS default constructor.
+        * @param aPingInterval Interval of the ping requests
+        * @param aConnManager Reference to the active connection manager
+        */
+        static void WriteToLog( TRefByValue<const TDesC8> aFmt, ... );
+
+    private:
+
+        /**
+        * Symbian OS second-phase constructor.
+        */
+        void ConstructL();
+
+        /**
+        * C++ default constructor is private
+        */
+        CUdpCirWatcher();
+
+        /**
+        * C++ default constructor is private
+        */
+        void DeleteLogFileL();
+
+        /**
+        * Increase the number of clients for this singleton
+        * @return void
+        */
+        void IncreaseReferenceCount();
+
+        /**
+        * Return the current reference count for the singleton object.
+        * Comes in handy at least in testing.
+        * @return TInt Current reference count
+        */
+        void DecreaseReferenceCount();
+
+        /**
+        * Return the current reference count for the singleton object.
+        * Comes in handy at least in testing.
+        * @return TInt Current reference count
+        */
+        const TInt ReferenceCount() const;
+
+        /**
+        * Return the current reference count for the singleton object.
+        * Comes in handy at least in testing.
+        * @return TInt Current reference count
+        */
+        void StoreDestructorKeyL( const TUid aDestructorKey );
+
+        /**
+        * Symbian OS default constructor.
+        * @param aPingInterval Interval of the ping requests
+        * @param aConnManager Reference to the active connection manager
+        */
+        TBool FindListenerL( const TInt aServicePort,
+                             const MImpsCirReceiver& aCirReceiver );
+
+        /**
+        * Symbian OS default constructor.
+        * @param aPingInterval Interval of the ping requests
+        * @param aConnManager Reference to the active connection manager
+        */
+        CUdpSocketListener* FindListener( TInt& aIndex,
+                                          const TInt aServicePort ) const;
+
+        /**
+        * Symbian OS default constructor.
+        * @param aPingInterval Interval of the ping requests
+        * @param aConnManager Reference to the active connection manager
+        */
+        TInt CreateListenerL( const TInt aServicePort,
+                              const MImpsCirReceiver& aCirReceiver );
+
+    private: //Data
+
+        TInt                                        iReferenceCount;
+        RSocketServ                                 iSocketSession;
+        RPointerArray<CUdpSocketListener>           iListenerQueue;
+    };
+
+#endif
+
+// End of File