--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/connectivitylayer/usbphonetlink/usbpnserver_exe/inc/cusbpnusbsender.h	Fri Nov 06 17:28:23 2009 +0000
@@ -0,0 +1,130 @@
+/*
+* 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 the License "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 CUSBPNUSBSENDER_H
+#define CUSBPNUSBSENDER_H
+
+//  INCLUDES
+#include <e32base.h>        // For CActive
+
+// CONSTANTS
+// MACROS
+// DATA TYPES
+// FUNCTION PROTOTYPES
+// FORWARD DECLARATIONS
+class RDevUsbcClient;
+class MUsbPnBufferListener;
+class CUsbPnPacket;
+
+// CLASS DECLARATION
+
+/**
+*  Sends received messages to USB
+*/
+class CUsbPnUsbSender : public CActive
+    {
+    public:  // Constructors and destructor
+
+        /**
+        * Two-phased constructor.
+        */
+        static CUsbPnUsbSender* NewL( MUsbPnBufferListener&, RDevUsbcClient& );
+
+        /**
+        * Destructor.
+        */
+        ~CUsbPnUsbSender();
+
+    public: // New functions
+
+        /**
+        * Adds message to sending queue.
+        * @param CUsbPnPacket& aPacket. Cell of circular buffer holding received data.
+        */
+        void Send( CUsbPnPacket& aPacket );
+
+        /**
+        * Get next free packet from pool.
+        * @return reference to usable packet for receiver.
+        */
+        CUsbPnPacket& PacketL();
+
+
+    protected:  // Functions from base classes
+
+        /**
+        * From CActive
+        */
+        void DoCancel();
+
+        /**
+        * From CActive
+        */
+        void RunL();
+
+        /**
+        * From CActive
+        */
+        TInt RunError( TInt );
+
+
+    private:
+
+        /**
+        * C++ default constructor.
+        */
+        CUsbPnUsbSender( MUsbPnBufferListener&, RDevUsbcClient& );
+
+        /**
+        * By default Symbian 2nd phase constructor is private.
+        */
+        void ConstructL();
+
+        /**
+        * Creates packet object.
+        */
+        void AddPacketBufferL( TInt );
+
+        /**
+        * Writes oldest message from queue.
+        */
+        void TryToSendPacket( const CUsbPnPacket& );
+
+
+    private:    // Data
+
+        // Transfer mechanism observer
+        MUsbPnBufferListener&   iBufferListener;
+
+        // Reference to USB driver LDD.
+        RDevUsbcClient&         iLdd;
+
+        // Number of packets in queue
+        TUint                   iPacketCount;
+
+        // Ownership. Newest packet -marker of circular buffer. Packets added to this 'end' of pool.
+        CUsbPnPacket*           iPacket;
+
+        // Pointer to oldest packet -marker of circular buffer. Packets written from this 'end' of pool.
+        CUsbPnPacket*           iCurrentPacket;
+
+    };
+
+#endif      // CUSBPNUSBSENDER_H
+
+// End of File