1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/persistentdata/persistentstorage/dbms/sdbms/Sd_buf2.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,56 @@
     1.4 +// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// SD_BUF.CPP
    1.18 +// HDbsBuf class - "DBMS security" related code only
    1.19 +// 
    1.20 +//
    1.21 +
    1.22 +#include "SD_STD.H"
    1.23 +
    1.24 +/**
    1.25 +Standard phase-one factory method for HDbsBuf instances.
    1.26 +@param aDbSession RDbs session instance.
    1.27 +@param aFunction DBMS server function code. EDbsDatabaseList DBMS function code is only used.
    1.28 +@param aArgs EDbsDatabaseList related set of arguments.
    1.29 +@return A pointer to the created HDbsBuf instance.
    1.30 +@leave One of the system-wide error codes, including KErrNoMemory.
    1.31 +*/
    1.32 +HDbsBuf* HDbsBuf::NewLC(const RDbs& aDbSession, TDbsFunction aFunction, TIpcArgs& aArgs)
    1.33 +	{
    1.34 +	HDbsBuf* self = new (ELeave) HDbsBuf;
    1.35 +	self->PushL();
    1.36 +	self->ConstructL(aDbSession, aFunction, aArgs);
    1.37 +	return self;
    1.38 +	}
    1.39 +
    1.40 +/**
    1.41 +Standard phase-two construction method for HDbsBuf instances.
    1.42 +@param aDbSession RDbs session instance.
    1.43 +@param aFunction DBMS server function code. EDbsDatabaseList DBMS function code is only used.
    1.44 +@param aArgs EDbsDatabaseList related set of arguments.
    1.45 +@leave One of the system-wide error codes, including KErrNoMemory.
    1.46 +*/
    1.47 +void HDbsBuf::ConstructL(const RDbs& aDbSession, TDbsFunction aFunction, TIpcArgs& aArgs)
    1.48 +	{
    1.49 +	TPckg<TDbsStreamBuf> pckg(iBuf);
    1.50 +	aArgs.Set(3, &pckg);
    1.51 +	iIpc.OpenL(aDbSession, aFunction, aArgs);
    1.52 +	TUint8* base = iBuf.iData;
    1.53 +	// if reading we already have one buffer-full of data
    1.54 +	TInt avail = Max(0, Min(iBuf.iExt, KDbsStreamBufSize));
    1.55 +	SetBuf(ERead, base, base + avail);
    1.56 +	SetPos(ERead, avail);
    1.57 +	SetBuf(EWrite, base, base);
    1.58 +	SetPos(EWrite, 0);
    1.59 +	}