// 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:

//

#ifndef __CHTTPREQUESTBATCHER_H__

#define __CHTTPREQUESTBATCHER_H__

#include <e32base.h>

#include <http/framework/logging.h>

#include "moutputstream.h"

#include "moutputstreamobserver.h"

class CX509Certificate;

class CHttpRequestBatcher : public CActive,

							public MOutputStream,

							public MOutputStreamObserver

	{

public:		// methods

	static CHttpRequestBatcher* NewL(MOutputStream& aOutputStream, const TInt aBufferSize);

	virtual ~CHttpRequestBatcher();

	virtual void Bind(MOutputStreamObserver& aObserver);

private:	// methods from MOutputStream

	virtual void SendDataReqL(const TDesC8& aBuffer);

	virtual void ShutdownReq();

	virtual void SecureClientReq(const TDesC8& aHostName);

	virtual void Close();

	virtual const CX509Certificate* ServerCert();

	virtual TInt CipherSuite(TDes8& aCipherSuite);

	virtual void MOutputStream_Reserved();

	virtual void Reset ();

	TBool SecureRetry();

	virtual void SetTCPCorking(TBool aValue);

private:	// methods from MOutputStreamObserver

	virtual void SendDataCnfL();

	virtual void SecureClientCnf();

	virtual void OutputStreamCloseInd(TInt aError);

	virtual void MOutputStreamObserver_Reserved();

	virtual void OnSendTimeOut();

	virtual TInt SendTimeOutVal();

private:	// methods from CActive

	virtual void RunL();

	virtual void DoCancel();

	virtual TInt RunError(TInt aError);

private:	// methods

	CHttpRequestBatcher(MOutputStream& aOutputStream, const TInt aBufferSize);

	void SendRequestImmediatelyL(const TDesC8& aBuffer);

	void SendRequestsBatchedL(const TDesC8& aBuffer);

	void BatchRequestsL(const TDesC8& aBuffer);

	void HandleExcessDataL();

	void StartTimer();

	void ConstructL();

private:	// typedefs

	typedef void (CHttpRequestBatcher::*TSendFunction)(const TDesC8&);

private:	// attributes

	MOutputStreamObserver*		iObserver;

	MOutputStream*				iOutputStream;

	HBufC8*						iBuffer;

	TPtr8						iDataToSend;

	TPtrC8						iExcessData;

	TInt						iMaxBufferSize;

	TSendFunction				iFuncPtr;

	RTimer						iTimer;

	TBool						iTimerCompleted;

public:	// attributes

	__FLOG_DECLARATION_MEMBER2

	};

#endif	// __CHTTPREQUESTBATCHER_H__