1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 

    17 #ifndef __CCONTROLCHANNELBASE_H_

    18 #define __CCONTROLCHANNELBASE_H_

    19 

    20 #include <e32base.h>

    21 

    22 class TControlMessage;

    23 /**

    24  This class acts as a base class which technology specific control channel need to implement

    25  @publishedPartner

    26  @prototype

    27  */

    28 NONSHARABLE_CLASS (CControlChannelBase) : public CBase

    29 	{

    30 protected:

    31 	CControlChannelBase();

    32 public:

    33 	~CControlChannelBase();

    34 public:

    35 	/*

    36       Recv is used for receiving the data through control channel.

    37 	  @param aMessage msg wrapped as TControlMessage 

    38       @param aStatus request status

    39      */  

    40 	virtual void Recv ( TControlMessage& aMessage, TRequestStatus& aStatus ) = 0;

    41 	 /*

    42       Send is used for sending the data through control channel.

    43 	  @param aMessage msg wrapped as TControlMessage 

    44       @param aStatus request status

    45      */  

    46 	virtual void Send ( TControlMessage& aMessage, TRequestStatus& aStatus ) = 0;

    47       /*

    48        Cancels the asynchronous recv used for receiving the data through control channel.

    49 	  */  

    50 	virtual void CancelRecv () = 0;

    51 	  /*

    52        Cancels the asynchronous send used for sending the data through control channel.

    53 	  */  

    54 	virtual void CancelSend () = 0;

    55 

    56 	};

    57 	

    58 inline CControlChannelBase::CControlChannelBase()	

    59 	{

    60 	

    61 	}

    62 	

    63 inline CControlChannelBase::~CControlChannelBase()

    64 	{

    65 	

    66 	}	

    67 

    68 #endif //__CCONTROLCHANNELBASE_H__