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// Copyright (c) 2009-2010 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 the License "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:
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//
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#include <e32def.h>
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#include <e32cmn.h>
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#include <e32des8.h>
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#include <e32std.h>
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#include <e32base.h>
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#include "msctypes.h"
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#include "tscsiserverreq.h"
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#include "tscsiservercmds.h"
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#include "debug.h"
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TScsiServerReq* TScsiServerReq::CreateL(TScsiServerReq::TOperationCode aOperationCode,
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TDesC8& aDes)
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{
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TScsiServerReq* req = NULL;
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__SCSIPRINT1(_L("SCSI CMD 0x%x"), aOperationCode);
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switch (aOperationCode)
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{
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case ETestUnitReady:
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{
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req = new (ELeave) TScsiServerTestUnitReadyReq;
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}
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break;
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case ERequestSense:
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{
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req = new (ELeave) TScsiServerRequestSenseReq;
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}
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break;
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case EInquiry:
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{
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req = new (ELeave) TScsiServerInquiryReq;
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}
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break;
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case EModeSense6:
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{
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req = new (ELeave) TScsiServerModeSense6Req;
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}
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break;
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case EStartStopUnit:
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{
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req = new (ELeave) TScsiServerStartStopUnitReq;
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}
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break;
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case EPreventMediaRemoval:
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{
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req = new (ELeave) TScsiServerPreventMediaRemovalReq;
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}
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break;
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case EReadFormatCapacities:
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{
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req = new (ELeave) TScsiServerReadFormatCapacitiesReq;
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}
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break;
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case EReadCapacity10:
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{
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req = new (ELeave) TScsiServerReadCapacity10Req;
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}
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break;
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case ERead10:
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{
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req = new (ELeave) TScsiServerRead10Req;
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}
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break;
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case EWrite10:
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{
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req = new (ELeave) TScsiServerWrite10Req;
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}
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break;
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default:
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{
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__SCSIPRINT(_L("NOT SUPPORTED!"));
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User::Leave(KErrNotSupported);
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}
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}
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if (req)
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{
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CleanupStack::PushL(req);
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// got a class into which it can parse itself from the protocol
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req->DecodeL(aDes);
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CleanupStack::Pop(req);
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}
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return req;
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}
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void TScsiServerReq::DecodeL(const TDesC8& aPtr)
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{
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// OPERATION CODE
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iOperationCode = static_cast<TOperationCode>(aPtr[0]);
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0
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// CONTROL byte
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TInt length = 0;
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switch (GetGroupCode())
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{
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case 0:
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// 6 byte commands
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length = 6;
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break;
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case 1:
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case 2:
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// 10 byte commands
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length = 10;
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break;
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default:
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User::Leave(KErrNotSupported);
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break;
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}
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// CONTROL byte is last element of Command
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TUint8 control = aPtr[length - 1];
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iLink = control & 0x04 ? ETrue : EFalse;
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iNaca = control & 0x01 ? ETrue : EFalse;
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}
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