// Copyright (c) 2004-2009 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:
//
/**
@file
@internalComponent
*/
#include <bluetooth/logger.h>
#include <es_sock.h>
#include "BnepTypes.h"
#include "RBnepFilterMultiAddrSetRequestControl.h"
#include "TBnepBTDevAddr.h"
#ifdef __FLOG_ACTIVE
_LIT8(KLogComponent, LOG_COMPONENT_PAN_BNEP);
#endif
/**
Retrieve one value pair from a multicast address filter control
@note This method should be called repeatedly until all the values are read out (ie. return value from the last pair is KErrEof)
@param aStartValue The start value for the multicast address range
@param aEndValue The end value of the multicast address range
@param aIndex The index of the multicast address filter pairs, starting from zero.
@return KErrNone if there any more addresses in the list, or KErrEof when there are no more addresses left
@internalComponent
*/
TInt RBnepFilterMultiAddrSetRequestControl::MultiAddrRange (TBnepBTDevAddr& aStartAddr, TBnepBTDevAddr& aEndAddr, TUint aIndex)
{
LOG_FUNC
LOG2(_L8("RBnepFilterMultiAddrSet[%x]: Getting multicast address pair, index %d..."), this, aIndex);
// since this might be (probably is) from another device, check their quoted size against the size of the packet we've got
TInt length = Length();
TInt multiAddrLength = static_cast<TInt>(MulticastAddressListLength());
TInt preamble = static_cast<TInt>(KSizeOfBnepControlType + KSizeOfMultiAddrFilterListLength);
if(multiAddrLength <= 0)
{
return KErrNotFound;
}
if(length < multiAddrLength + preamble)
{
LOG3(_L8("RBnepFilterMultiAddrSet[%x]: Multicast address list length is invalid - our mbuf chain length (minus control type and length headers) %d, claimed length %d"), this, (Length() - (KSizeOfBnepControlType + KSizeOfMultiAddrFilterListLength)), MulticastAddressListLength());
return KErrArgument;
}
TUint currentPair = (aIndex*(2*KSizeOfMultiAddr) + KMultiAddrListFirstPairFieldOffset);
TInt rerr = aStartAddr.SetAddress(*this, currentPair);
if(rerr == KErrNone)
{
rerr = aEndAddr.SetAddress(*this, currentPair + KSizeOfMultiAddr);
}
if(rerr != KErrNone || MulticastAddressListLength() <= (currentPair + (2*KSizeOfMultiAddr))) // check if this is the last pair
{
LOG1(_L8("RBnepFilterMultiAddrSet[%x]: ...last item in list - returning KErrEof"), this);
return KErrEof;
}
else
{
LOG1(_L8("RBnepFilterMultiAddrSet[%x]: ...more items in list - returning KErrNone"), this);
return KErrNone;
}
}
/**
Return the length of the multicast address list
@internalComponent
*/
TUint16 RBnepFilterMultiAddrSetRequestControl::MulticastAddressListLength ()
{
LOG_FUNC
TUint16 length;
length = BigEndian::Get16((First()->Ptr() + KMultiAddrListLengthFieldOffset));
LOG1(_L8("...multicast address list length %d..."), length);
return length;
}