--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hti/HtiServicePlugins/HtiIpProxyServicePlugin/IPProxyEngine/Src/CUDPSender.h	Wed Oct 13 16:17:58 2010 +0300
@@ -0,0 +1,133 @@
+/*
+* Copyright (c) 2009 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:  UDP packet sender
+*
+*/
+
+
+
+#ifndef CUDPSENDER_H
+#define CUDPSENDER_H
+
+//  INCLUDES
+#include <e32base.h>
+#include <in_sock.h>
+
+// CONSTANTS
+const TInt KWriteBufferSize = 128;
+
+// FORWARD DECLARATIONS
+class MUDPSenderObserver;
+class CDesC8Array;
+
+// CLASS DECLARATION
+
+/**
+*  Socket writer. Asynchronously writes data to opened socket.
+*/
+NONSHARABLE_CLASS( CUDPSender ) : public CActive
+    {
+    public:  // Constructors and destructor
+
+        /**
+        * Factory function.
+        * @param aObserver Pointer to observer.
+        * @return New CUDPSender instance.
+        */
+        static CUDPSender* NewL( MUDPSenderObserver* aObserver );
+
+        /**
+        * Factory function.
+        * @param aObserver Pointer to observer.
+        * @return New CUDPSender instance.
+        */
+        static CUDPSender* NewLC( MUDPSenderObserver* aObserver );
+
+        /**
+        * Destructor.
+        */
+        ~CUDPSender();
+
+    public: // New functions
+
+        /**
+        * Issues writing data to UDP socket. If the request is already
+        * pending the data will be written to queue and it will be
+        * handled afterwards.
+        * @param aPort Port to write to.
+        * @param aData Data to be written.
+        */
+        void IssueWriteL( TUint aPort, const TDesC8& aData );
+
+        /**
+        * Resets transfer buffer.
+        */
+        void ResetTransferBuffer();
+
+        /**
+        * Continues writing if there is something in the buffer left.
+        */
+        void ContinueAfterError();
+
+    private:
+        /**
+        * Writes one descriptor from queue.
+        */
+        void IssueWrite();
+
+    protected: // Functions from base classes
+
+        /**
+        * From CActive. Pending request has been completed.
+        */
+        void RunL();
+
+        /**
+        * From CActive. Pending request has been cancelled.
+        */
+        void DoCancel();
+
+        /**
+        * From CActive. RunL has leaved.
+        */
+        TInt RunError( TInt aError );
+
+
+    private:
+
+        /**
+        * Default constructor.
+        * @param aObserver Pointer to observer.
+        */
+        CUDPSender( MUDPSenderObserver* aObserver );
+
+        /**
+        * 2nd phase constructor.
+        */
+        void ConstructL();
+
+    private:    // Data
+        RSocketServ iSocketServ;
+        CDesC8Array* iTransferBufferArray;
+        MUDPSenderObserver* iObserver;
+        RSocket iSocket;
+        TBuf8<KWriteBufferSize> iWriteBuffer;
+        RTimer iTimer;
+        TBool iWaiting;
+        TInetAddr iRemoteAddr;
+    };
+
+#endif      // CUDPSender_H
+
+// End of File