// Copyright (c) 2005-2009 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:

//

#include "asyncwriter.h"

CAsyncWriter* CAsyncWriter::NewL(CQoSMsgWriter* aWriter)

	{

	CAsyncWriter* self = new (ELeave) CAsyncWriter(aWriter);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

CAsyncWriter::CAsyncWriter(CQoSMsgWriter* aWriter) :

	CActive(EPriorityNormal),

	iWriter(aWriter)

	{

        iPendingMsg.SetOffset(_FOFF(CQoSMsg, iLink));

        }

void CAsyncWriter::ConstructL()

	{

	CActiveScheduler::Add(this);

	}

void CAsyncWriter::Send(CQoSMsg* aMessage)

	{

	if (IsActive())

 		{

 		iPendingMsg.AddLast(*aMessage);

 		}

 	else

 		{

 		iWriter->Send(aMessage);

 		SetActive();

 		TRequestStatus* stat = &iStatus;

 		User::RequestComplete(stat,KErrNone);

 		}

	}

void CAsyncWriter::RunL()

	{

	ASSERT(iWriter);

	if (!iPendingMsg.IsEmpty())

 		{

 		CQoSMsg* msg = iPendingMsg.First();

 		iPendingMsg.Remove(*msg);

 		iWriter->Send(msg);

 		SetActive();

 		}

	}

void CAsyncWriter::DoCancel()

	{

	//No code needed here becuase the request is completed immediately on activation

	}