kerneltest/f32test/shostmassstorage/testclient/usbtestmsclient/protocol/tscsiserverreq.cpp
// Copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of the License "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:
//
#include <e32def.h>
#include <e32cmn.h>
#include <e32des8.h>
#include <e32std.h>
#include <e32base.h>
#include "msctypes.h"
#include "tscsiserverreq.h"
#include "tscsiservercmds.h"
#include "debug.h"
TScsiServerReq* TScsiServerReq::CreateL(TScsiServerReq::TOperationCode aOperationCode,
TDesC8& aDes)
{
TScsiServerReq* req = NULL;
__SCSIPRINT1(_L("SCSI CMD 0x%x"), aOperationCode);
switch (aOperationCode)
{
case ETestUnitReady:
{
req = new (ELeave) TScsiServerTestUnitReadyReq;
}
break;
case ERequestSense:
{
req = new (ELeave) TScsiServerRequestSenseReq;
}
break;
case EInquiry:
{
req = new (ELeave) TScsiServerInquiryReq;
}
break;
case EModeSense6:
{
req = new (ELeave) TScsiServerModeSense6Req;
}
break;
case EStartStopUnit:
{
req = new (ELeave) TScsiServerStartStopUnitReq;
}
break;
case EPreventMediaRemoval:
{
req = new (ELeave) TScsiServerPreventMediaRemovalReq;
}
break;
case EReadFormatCapacities:
{
req = new (ELeave) TScsiServerReadFormatCapacitiesReq;
}
break;
case EReadCapacity10:
{
req = new (ELeave) TScsiServerReadCapacity10Req;
}
break;
case ERead10:
{
req = new (ELeave) TScsiServerRead10Req;
}
break;
case EWrite10:
{
req = new (ELeave) TScsiServerWrite10Req;
}
break;
default:
{
__SCSIPRINT(_L("NOT SUPPORTED!"));
User::Leave(KErrNotSupported);
}
}
if (req)
{
CleanupStack::PushL(req);
// got a class into which it can parse itself from the protocol
req->DecodeL(aDes);
CleanupStack::Pop(req);
}
return req;
}
void TScsiServerReq::DecodeL(const TDesC8& aPtr)
{
// OPERATION CODE
iOperationCode = static_cast<TOperationCode>(aPtr[0]);
// CONTROL byte
TInt length = 0;
switch (GetGroupCode())
{
case 0:
// 6 byte commands
length = 6;
break;
case 1:
case 2:
// 10 byte commands
length = 10;
break;
default:
User::Leave(KErrNotSupported);
break;
}
// CONTROL byte is last element of Command
TUint8 control = aPtr[length - 1];
iLink = control & 0x04 ? ETrue : EFalse;
iNaca = control & 0x01 ? ETrue : EFalse;
}