--- a/hti/HtiFramework/inc/HtiCommAdapter.h Mon Jun 28 15:36:07 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,204 +0,0 @@
-/*
-* 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: Definition of CCommAdapter that uses media plugins to read
-* HTI messages and send new ones back. Because comm plug-in
-* interface define async functions, this class is AO.
-*
-*/
-
-
-#ifndef MCOMMADAPTER_H__
-#define MCOMMADAPTER_H__
-
-#include <e32base.h>
-
-//forward declaration
-class CHtiDispatcher;
-class CHTICommPluginInterface;
-class CHtiMessage;
-
-class CHtiCommAdapter: public CActive
- {
-private:
- /**
- * Enum of different states depending on the current operation
- */
- enum TCommState
- {
- EIdle,
- EReceiving,
- EReceivingCont,
- ESending
- };
-
-public:
- /**
- * Construct the object and adds it to CActiveScheduler.
- *
- * @param aCommPlugin communication plug-in
- * @param aDispatcher message dispatcher
- * @param aMaxMsgSize max size of an incoming message that will be
- * accepted
- */
- static CHtiCommAdapter* NewL(CHTICommPluginInterface* aCommPlugin,
- CHtiDispatcher* aDispatcher,
- TInt aMaxMsgSize);
-
- /**
- * Construct the object and adds it to CActiveScheduler
- *
- * @param aCommPlugin communication plug-in
- * @param aDispatcher message dispatcher
- * @param aMaxMsgSize max size of an incoming message that will be
- * accepted
- */
- static CHtiCommAdapter* NewLC(CHTICommPluginInterface* aCommPlugin,
- CHtiDispatcher* aDispatcher,
- TInt aMaxMsgSize);
-
- /**
- * Destructor
- */
- ~CHtiCommAdapter();
-
- /**
- * Issue an async request to receive whole HTI message and
- * pass it to the framework on complition.
- */
- void ReceiveMessage();
-
- /**
- * Send a HTI message via comm plug-in.
- * Ownership of aMessage is tranfered to CCommAdapter.
- * When message is sent, aMessage will be deleted.
- *
- * @param aMessage a HTI message to send
- */
- void SendMessage(CHtiMessage* aMessage);
-
- /**
- * Stop all ongoing operations and clean all internal buffers.
- */
- void Reset();
-
-protected:
-
- CHtiCommAdapter(CHtiDispatcher* aDispatcher,
- CHTICommPluginInterface* aCommPlugin,
- TInt aMaxMsgSize);
-
- void ConstructL();
-
-
- /**
- * Issue request to receive the next packet.
- * If aContinue = ETrue than iState is set to EReceivingCont
- * Otherwise it set to EReceiving.
- * iState set to EReceivingCont after message beginning was received
- * and its continuation is expected
- *
- * @param aContinue continuation flag
- */
- void ReceiveMessage(TBool aContinue);
-
- /**
- * Handle received data from buffer and reissue request
- */
- void HandleReceiveL();
- void HandleReceiveContL();
-
- /**
- * Reissue request to send message
- */
- void HandleSend();
-
-
-protected: //from CActive
- void RunL();
- void DoCancel();
- TInt RunError(TInt aError);
-
-private: //data members
-
- /**
- * Current communication state
- */
- TCommState iState;
-
- /**
- * Pointer to message dispatcher.
- */
- CHtiDispatcher* iDispatcher;
-
- /**
- * Communication ECom plug-in
- */
- CHTICommPluginInterface* iCommPlugin;
-
- /**
- * Buffer for receiving data. It'is allocated once and used for
- * all subsequent receiving operation. Data from this buffer copied
- * to iMsgToReceive buffer that than passed to the framework for
- * processing
- */
- HBufC8* iBuffer;
-
- /**
- * Pointer to the buffer for receiveing data
- */
- TPtr8 iBufferPtr;
-
- /**
- * HTI incoming message. It's passed to the framework
- * when whole message is received
- */
- CHtiMessage* iMsgToReceive;
-
- /**
- * Small buffer used when there is some data left in iBuffer that
- * cannot be processed (less than min header size)
- */
- HBufC8* iLeftovers;
-
- /**
- * Keep message passed in SendMessage() between calls to comm. plugin
- * and deleted when sending is complete
- */
- CHtiMessage* iMsgToSend;
-
- /**
- * Pointer to the part of iMsgToSend started from iMsgToSendOffset
- * that is being sent via current comm. plug-in
- */
- TPtrC8 iMsgToSendPtr; //ptr to msg part passed to plug-ins
-
- /**
- * Offset in iMsgToSend of a part that is being sent
- */
- TInt iMsgToSendOffset;
-
- /**
- * Amount of receving bytes to skip.
- * It's ussed when there is no memory for incoming message or
- * its size too big.
- */
- TInt iSkipLength;
-
- /**
- * Max message size to accept
- */
- const TInt iMaxMessageSize;
- };
-
-#endif