author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 13 Oct 2010 16:17:58 +0300 | |
branch | RCL_3 |
changeset 59 | 8ad140f3dd41 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Writes to socket. |
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* |
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*/ |
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#ifndef __SOCKETSWRITER_H__ |
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#define __SOCKETSWRITER_H__ |
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// INCLUDES |
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#include <in_sock.h> |
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#include "timeoutnotifier.h" |
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// FORWARD DECLARATIONS |
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class CTimeOutTimer; |
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class MSocketObserver; |
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const TInt KSocketWriteBufferSize = 1024; |
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const TInt KTransferBufferSize = 8 * 1024; |
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// CLASS DECLARATION |
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class CSocketsWriter : public CActive, public MTimeOutNotifier |
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{ |
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public: |
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static CSocketsWriter* NewL( MSocketObserver& aEngineNotifier, |
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RSocket& aSocket ); |
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virtual ~CSocketsWriter(); |
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/** |
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* Add data to iTransferBuffer and start sending if not already sending |
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* Leaves with KErrOverflow, if there is not enough free space. |
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* This can be called as long as there is space in buffer. |
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*/ |
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void SendL(const TDesC8& aData); |
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void CancelSending(); |
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/** |
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* Return number of bytes that can be added to iTransferBuffer. |
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*/ |
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TInt FreeSpaceInSendBuffer(); |
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TInt SendBufferMaxSize(); |
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protected: // from CActive |
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void DoCancel(); |
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void RunL(); |
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protected: // from MTimeOutNotifier |
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void TimerExpired(); |
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private: // Constructors and destructors |
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CSocketsWriter( MSocketObserver& aEngineNotifier, RSocket& aSocket ); |
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void ConstructL(); |
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private: // New functions |
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void SendNextPacket(); |
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private: // Enumerations |
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enum TWriteState |
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{ |
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ESending, |
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EIdle // nothing to be sent |
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}; |
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private: // Data |
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RSocket& iSocket; |
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MSocketObserver& iObserver; |
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TBuf8<KTransferBufferSize> iTransferBuffer; |
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TBuf8<KSocketWriteBufferSize> iWriteBuffer; |
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CTimeOutTimer* iTimer; |
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TInt iTimeOut; // microseconds |
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TWriteState iWriteStatus; |
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}; |
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#endif // __SOCKETSWRITER_H__ |
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// End of File |