--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/htiui/HtiCommPlugins/HtiBtCommPlugin/BtEngine/inc/socketswriter.h	Tue Feb 02 00:17:27 2010 +0200
@@ -0,0 +1,97 @@
+/*
+* 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:  Writes to socket.
+*
+*/
+
+
+#ifndef __SOCKETSWRITER_H__
+#define __SOCKETSWRITER_H__
+
+// INCLUDES
+#include <in_sock.h>
+#include "TimeOutNotifier.h"
+
+// FORWARD DECLARATIONS
+class CTimeOutTimer;
+class MSocketObserver;
+
+const TInt KSocketWriteBufferSize = 1024;
+const TInt KTransferBufferSize = 8 * 1024;
+
+// CLASS DECLARATION
+class CSocketsWriter : public CActive, public MTimeOutNotifier
+    {
+    public:
+
+        static CSocketsWriter* NewL( MSocketObserver& aEngineNotifier,
+                                     RSocket& aSocket );
+        virtual ~CSocketsWriter();
+
+        /**
+         * Add data to iTransferBuffer and start sending if not already sending
+         * Leaves with KErrOverflow, if there is not enough free space.
+         * This can be called as long as there is space in buffer.
+         */
+        void SendL(const TDesC8& aData);
+
+        void CancelSending();
+
+        /**
+        * Return number of bytes that can be added to iTransferBuffer.
+        */
+        TInt FreeSpaceInSendBuffer();
+
+        TInt SendBufferMaxSize();
+
+    protected: // from CActive
+
+        void DoCancel();
+        void RunL();
+
+    protected: // from MTimeOutNotifier
+
+        void TimerExpired();
+
+    private: // Constructors and destructors
+
+        CSocketsWriter( MSocketObserver& aEngineNotifier, RSocket& aSocket );
+        void ConstructL();
+
+    private: // New functions
+
+        void SendNextPacket();
+
+    private: // Enumerations
+
+        enum TWriteState
+            {
+            ESending,
+            EIdle // nothing to be sent
+            };
+
+    private: // Data
+
+        RSocket& iSocket;
+        MSocketObserver& iObserver;
+        TBuf8<KTransferBufferSize> iTransferBuffer;
+        TBuf8<KSocketWriteBufferSize> iWriteBuffer;
+        CTimeOutTimer* iTimer;
+        TInt iTimeOut; // microseconds
+        TWriteState iWriteStatus;
+    };
+
+#endif // __SOCKETSWRITER_H__
+
+// End of File