// Copyright (c) 2006-2009 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

 @internalTechnology

*/

#include "ss_commsdataobject.h"

#include <comms-infras/ss_log.h>

#include <comms-infras/api_ext_list.h>

#include <es_sock.h>

#include <comms-infras/es_parameterbundle.h>

#include <comms-infras/es_commsdataobject.h>

using namespace ESock;

using namespace Messages;

TBool TGetOrSetParameters::CanProcess(MeshMachine::TNodeContextBase& aContext)

	{

	TUint interfaceId = (*iDataObject)->RequiredItfExtId();

	return HasInterface(aContext, (TSupportedCommsApiExt)interfaceId);

	}

void TGetOrSetParameters::ForwardL(MeshMachine::TNodeContextBase& aContext)

	{

	TUint interfaceId = (*iDataObject)->RequiredItfExtId();

	RLegacyResponseMsg responseMsg(aContext, iMessage, iMessage.Int0());

	TRAPD(err, ForwardRequestL(aContext));

	if(err == KErrNotFound)

		{

		// We've reached the bottom of the stack, so complete the message

		if ((*iDataObject)->IsProgressive())

			{

			// If the data object was progressive (meaning it traverses the entire

			// stack progressively building up information using all nodes that

			// support its required interface) then we complete with KErrNone at

			// the bottom...

			__CFLOG_VAR((KESockComponentTag, KESockMessage,

					_L8("TGetOrSetParameters::ForwardL() Node %08x implementing interface id 0x%08x completing message (%08X) with %d"),

					&aContext.Node(), interfaceId, iMessage.Handle(), err));

			responseMsg.Complete(KErrNone);

			}

		else

			{

			// ...if on the other hand the data object was not progressive

			// hitting the bottom of the stack means it didn't find any

			// nodes that supporting its required interface. In thay case

			// we complete with KErrNotFound

			User::Leave(KErrNotFound);

			}

		return;

		}

	User::LeaveIfError(err);

	}

void TGetOrSetParameters::ProcessL(MeshMachine::TNodeContextBase& aContext)

	{

	TAny* interface = NULL;

	TUint interfaceId = (*iDataObject)->RequiredItfExtId();

	TRAPD(err, interface = FetchInterfaceL(aContext.Node(), (TSupportedCommsApiExt)interfaceId));

	ASSERT(interface);

	RLegacyResponseMsg responseMsg(aContext, iMessage, iMessage.Int0());

	User::LeaveIfError(err);

    if (interface)

    	{

    	XCommsDataObject::TProgressAction action(XCommsDataObject::EComplete);

    	TRAP(err, action = (*iDataObject)->DispatchL(interface, this));

		if (err != KErrNone)

			{

            NM_LOG_START_BLOCK(KESockMessage, _L8("TGetOrSetParameters::ProcessL()"));

            NM_LOG((KESockMessage, _L8("Node implementing interface id 0x%08x failed with %d"), interfaceId, err));

            NM_LOG_NODE(KESockMessage, aContext.Node().Id().Node());

            NM_LOG_END_BLOCK(KESockMessage, _L8("TGetOrSetParameters::ProcessL()"));

			Complete(aContext, err);

			return;

			}

		if ((action == XCommsDataObject::EComplete)

			|| !(*iDataObject)->IsProgressive())

			{

			Complete(aContext, KErrNone);

			return;

			}

	    // On successful handling of a progressive data object

	    // forward the data object down to the next node

	    TRAP(err, ForwardRequestL(aContext));

		if(err == KErrNotFound)

			{

			// We've reached the bottom of the stack, so complete the message

			Complete(aContext, KErrNone);

			return;

			}

		User::LeaveIfError(err);

    	}

	}

TInt TGetOrSetParameters::CheckError(MeshMachine::TNodeContextBase& /*aContext*/, TInt aError)

	{

	// The query set container is owned by the CConnection that originated

    // this message - if an error occurs we need to delete it and NULL the

    // pointer

	if (aError != KErrNone)

		{

		delete (*iDataObject);

		*iDataObject = NULL;

		}

	return aError;

	}

void TGetOrSetParameters::Complete(MeshMachine::TNodeContextBase& aContext, TInt aError)

	{

	RLegacyResponseMsg responseMsg(aContext, iMessage, iMessage.Int0());

	__CFLOG_VAR((KESockComponentTag, KESockMessage,

		_L8("TGetOrSetParameters::Complete() completing message (%08X) with %d"),

		iMessage.Handle(), aError));

	if ((*iDataObject)->OperationMode() == XCommsDataObject::EOperationSet)

		{

		// Done with the object

		delete (*iDataObject);

		*iDataObject = NULL;

		}

	responseMsg.Complete(aError);

	}