1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 #ifndef __SVPSNAPDRIVER_H

    19 #define __SVPSNAPDRIVER_H

    20 

    21 #include <kernel.h>    // for DLogicalChannel

    22 

    23 #define SVPDBG

    24 #ifdef SVPDBG

    25 #define DP(format...) Kern::Printf(format)

    26 #else

    27 #define DP(format...)

    28 #endif

    29 

    30 #define RET_IF_ERROR(v, e) { if ((v = (e)) != KErrNone) return v; }

    31 

    32 enum ESVPSnapReg {

    33 	ESnapshot_Id = 0,

    34 	ESnapshot_Address,

    35     ESnapshot_Length,

    36     ESnapshot_Trigger

    37   };

    38 

    39 class DSVPSnapDriverFactory : public DLogicalDevice

    40 {

    41  public:

    42 

    43   DSVPSnapDriverFactory();

    44   virtual TInt Install();

    45   virtual void GetCaps(TDes8& aDes) const;

    46   virtual TInt Create(DLogicalChannelBase*& aChannel);

    47 };

    48 

    49 class DSVPSnapChannel : public DLogicalChannel

    50 {

    51  public:

    52 

    53   DSVPSnapChannel(DLogicalDevice* aLogicalDevice);

    54   ~DSVPSnapChannel();

    55   

    56   virtual TInt DoCreate(TInt aUnit, const TDesC* anInfo, const TVersion& aVer);	

    57   virtual void HandleMsg(TMessageBase* aMsg);

    58 	

    59  protected:

    60   virtual void DoCancel(TInt aReqNo);

    61   virtual TInt DoRequest(TInt aReqNo, TRequestStatus* aStatus, TAny* a1, TAny* a2);

    62   virtual TInt DoControl(TInt aFunction, TAny *a1, TAny *a2);

    63 

    64  private:

    65   TInt SaveVM(const TDesC8* aData);

    66   TInt LoadVM(const TDesC8* aData);

    67   

    68 private:

    69   DThread* iClientThread;

    70   TDfcQue* iDFCQue;

    71   

    72   TBuf8<256> iSendDataBuffer;

    73 };

    74 

    75 #endif