1 // Copyright (c) 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: Implementation of the asynchronous allocation support for the

    14 // comms buffers

    15 //

    16 

    17 #ifndef __COMMSBUFASYNCREQINTERNAL_H__

    18 #define __COMMSBUFASYNCREQINTERNAL_H__

    19 

    20 #include <e32base.h>

    21 #include <es_commsbuf.h>

    22 #include <comms-infras/commsbufq.h>

    23 /**

    24 Implementation of the RCommsBufAsyncRequest.

    25  @internalTechnology

    26  */

    27 class CCommsBufAsyncRequest : public CBase

    28     {

    29     friend class CSystemSharedBufPond;    

    30     friend class CMBufManager;

    31     friend class RMBufAsyncRequest;

    32     friend class RCommsBufAsyncRequest;

    33     friend class CSystemSharedAsyncAlloc;

    34     

    35 	public:

    36     IMPORT_C CCommsBufAsyncRequest(TCommsBufAllocator& aAllocator);

    37     ~CCommsBufAsyncRequest();

    38     void Alloc(RCommsBufChain& aChain, TInt aSize, TInt aMinSize, TInt aMaxSize, TRequestStatus& aStatus);

    39     void Cancel();

    40     IMPORT_C void Complete(TInt aCode);

    41     	

    42     private:    

    43     TInt                iSize;

    44     TInt                iMinSize;

    45     TInt                iMaxSize;

    46     RCommsBufQ          iBufQ;

    47     RCommsBufChain*     iChain;

    48     TRequestStatus*     iStatusPtr;

    49     RThread             iThread;

    50     TDblQueLink         iLink;

    51     TCommsBufAllocator  iAllocator;    

    52     };

    53 

    54 #endif // __COMMSBUFASYNCREQINTERNAL_H__