This release addresses the following:
- Multiple concurrent file transfer bug fixes. i.e. one device is concurrently receiving multiple files from multiple devices
// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of "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:
// Name : MessageWriter.cpp
// Part of : compressor
// Interface :
// SigComp message writer
// Version : 1.0
//
#include <e32base.h>
#include <badesca.h>
#include "MessageWriter.h"
/** Message delimeter, appended whe streaming protocol is enabled */
static const TUint16 KMessageDelimeter = 0xffff;
CMessageWriter::CMessageWriter(CBufBase* aBuffer, TBool aStreamBasedProtocol)
:iBuffer(aBuffer), iStreamBasedProtocol(aStreamBasedProtocol),
iCount(0)
{
}
void CMessageWriter::WriteByteL(TInt aByte)
{
TUint8 tmp;
if(iStreamBasedProtocol)
{
if(aByte == 0xFF)
{
iCount++;
}
else
{
if(iCount)
{
iCount--;
tmp = 0xFF;
iBuffer->InsertL(iBuffer->Size(), &tmp, 1);
tmp = static_cast<TUint8>(iCount);
iBuffer->InsertL(iBuffer->Size(), &tmp, 1);
for(TInt i=0; i<(iCount); i++)
{
tmp = 0xFF;
iBuffer->InsertL(iBuffer->Size(), &tmp, 1);
}
iCount = 0;
tmp = static_cast<TUint8>(aByte);
iBuffer->InsertL(iBuffer->Size(), &tmp, 1);
}
else
{
tmp = static_cast<TUint8>(aByte);
iBuffer->InsertL(iBuffer->Size(), &tmp, 1);
}
}
}
else
{
tmp = static_cast<TUint8>(aByte);
iBuffer->InsertL(iBuffer->Size(), &tmp, 1);
}
}
void CMessageWriter::WriteBlockL(const TDesC8& aBlock)
{
for(TInt i=0; i<aBlock.Length(); i++)
{
WriteByteL(aBlock[i]);
}
}
void CMessageWriter::FlushAndTerminateL()
{
if(iStreamBasedProtocol)
{
if(iCount)
{
TUint8 tmp;
// this code is not covered, because there is no way for deflate compressor
// to output FF at the end of compressed message, the EOS character encoding
// flushes all FFs in WriteByteL()
// I left the code there, as it may be usefull for other compressors.
iCount--;
tmp = 0xFF;
iBuffer->InsertL(iBuffer->Size(), &tmp, 1);
tmp = static_cast<TUint8>(iCount);
iBuffer->InsertL(iBuffer->Size(), &tmp, 1);
for(TInt i=0; i<(iCount); i++)
{
tmp = 0xFF;
iBuffer->InsertL(iBuffer->Size(), &tmp, 1);
}
iCount = 0;
}
iBuffer->InsertL(iBuffer->Size(), &KMessageDelimeter, 2);
}
}