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/*
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* Copyright (c) 2005-2006 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 "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: Stream for storing firmware update package
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*
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*/
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// INCLUDE FILES
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#include <centralrepository.h>
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#include "fotadiskstoragePrivateCRKeys.h"
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#include "fotaengstream.h"
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#include "fotaengine.h"
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#include "fotaenginedebug.h"
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// ======================= MEMBER FUNCTIONS ==================================
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// ---------------------------------------------------------------------------
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// RFotaWriteStream::RFotaWriteStream()
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// ---------------------------------------------------------------------------
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RFotaWriteStream::RFotaWriteStream() : RWriteStream (), iWriteLimit(0)
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{
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iFotaEngineSession = 0;
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iBuf.iMyWriteStream = this;
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}
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// ---------------------------------------------------------------------------
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// RFotaWriteStream::OpenL()
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// Opens stream
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// ---------------------------------------------------------------------------
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TInt RFotaWriteStream::OpenL(const TInt /*aPkgId*/)
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{
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FLOG(_L( "[RFotaEngineSession] RFotaWriteStream::OpenL() >>" ) );
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// Get write limit
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TInt writelimit( KDefaultWriteLimit );
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CRepository* centrep( NULL);
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TRAPD( err, centrep = CRepository::NewL( KCRUidFotaDiskStorage ) );
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if(err) FLOG(_L(" writelimit not defined in centrep") );
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if ( centrep )
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{
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err = centrep->Get( KFotaDiskSpaceReservationKey, writelimit );
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}
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iWriteLimit = writelimit;
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delete centrep;
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iBuf.ResetL();
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Attach ( &iBuf ); // set sink
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FLOG(_L( "[RFotaEngineSession] RFotaWriteStream::OpenL() <<" ) );
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return 0;
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}
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// ---------------------------------------------------------------------------
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// TDP2StreamBuf::Reset()
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// Redefine write area.
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// ---------------------------------------------------------------------------
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void TDP2StreamBuf::ResetL()
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{
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FLOG(_L("TDP2StreamBuf::ResetL() >>" ));
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// Define write area (chunk)
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TArea a (EWrite) ;
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//TInt limitedwritearea(-1);
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TInt chunksize = iMyWriteStream->iFotaEngineSession->iChunk.Size();
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// TInt writelimit = iMyWriteStream->iWriteLimit;
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/* 08-nov-06 flexible mem handling overrides this
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// If writelimit is being exceeded, raise error
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if ( iBytesWritten > writelimit )
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{
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User::Leave ( KErrOverflow );
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}
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*/
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/* 08-nov-06 flexible mem handling overrides this
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// Ensure that we cant go beyond write limit
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if ( (iSentChunks+1) * chunksize > writelimit )
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{
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limitedwritearea = writelimit - iBytesWritten;
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// 0-size writearea would crash writestream base classes
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if ( limitedwritearea == 0 )
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{
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limitedwritearea += 1;
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}
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}
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*/
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// Define write area
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TUint8* p1 = iMyWriteStream->iFotaEngineSession->iChunk.Base();
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TUint8* p2;
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p2 = p1 + chunksize;
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/* // dead code
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if ( limitedwritearea == -1 )
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{
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p2 = p1 + chunksize;
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}
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else
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{
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p2 = p1 + limitedwritearea;
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}
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*/
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SetBuf (a,p1 , p2 );
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FLOG(_L("TDP2StreamBuf::ResetL() <<" ));
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}
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// ---------------------------------------------------------------------------
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// TDP2StreamBuf::DoRelease()
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// Stream is released. This is called when data has been comitted to stream.
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// ---------------------------------------------------------------------------
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void TDP2StreamBuf::DoRelease()
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{
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FLOG(_L("TDP2StreamBuf::DoRelease() >>" ));
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TRAPD(err, OverflowL() );
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if ( err ) FLOG(_L(" DoRelease overflow err %d"),err);
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this->iMyWriteStream->iFotaEngineSession->ReleaseChunkHandle();
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FLOG(_L("TDP2StreamBuf::DoRelease() <<" ));
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}
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// ---------------------------------------------------------------------------
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// TDP2StreamBuf::TDP2StreamBuf()
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// ---------------------------------------------------------------------------
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TDP2StreamBuf::TDP2StreamBuf() : iBytesWritten(0), iSentChunks(0)
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,iMyWriteStream(0)
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{
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}
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// ---------------------------------------------------------------------------
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// TDP2StreamBuf::UnderflowL(TInt aMaxLength)
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// ---------------------------------------------------------------------------
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TInt TDP2StreamBuf::UnderflowL(TInt aMaxLength)
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{
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FLOG(_L("TDP2StreamBuf::UnderflowL %d"), aMaxLength );
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return KErrNone;
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}
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// ---------------------------------------------------------------------------
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// TDP2StreamBuf::OverflowL()
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// Send buffer data to server. Reset buffer.
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// ---------------------------------------------------------------------------
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void TDP2StreamBuf::OverflowL()
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{
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FLOG(_L("TDP2StreamBuf::OverflowL >>") );
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// Send pointers to data to server. Then reset.
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TUint8* p1 = iMyWriteStream->iFotaEngineSession->iChunk.Base();
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TUint8* p2 = Ptr(EWrite); // start point of
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// write area
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FLOG(_L("TDP2StreamBuf::OverflowL ptrs 0x%x 0x%x"),p1,p2 );
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TPtr8 data(p1, p2-p1, p2-p1 );
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iBytesWritten += p2-p1;
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if ( p2-p1 >0 )
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{
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iMyWriteStream->iFotaEngineSession->SendChunkL(p1,p2);
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iSentChunks++;
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}
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ResetL();
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FLOG(_L("TDP2StreamBuf::OverflowL <<") );
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}
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// End of file
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