/***************************************************************************
 *   Copyright (C) 2007 by Lothar May                                      *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
/* Buffer for ReceiveHelper. */

#ifndef _RECEIVEBUFFER_H_
#define _RECEIVEBUFFER_H_

#include <boost/enable_shared_from_this.hpp>
#include <net/netpacket.h>

// MUST be larger than MAX_PACKET_SIZE
#define RECV_BUF_SIZE		5 * MAX_PACKET_SIZE

class SessionData;

class ReceiveBuffer : public boost::enable_shared_from_this<ReceiveBuffer>
{
public:
	ReceiveBuffer();

	void StartAsyncRead(boost::shared_ptr<SessionData> session);

protected:
	void HandleRead(boost::shared_ptr<SessionData> session, const boost::system::error_code &error, size_t bytesRead);

	void ScanPackets();
	void ProcessPackets(boost::shared_ptr<SessionData> session);


private:
	NetPacketList					receivedPackets;
	char							recvBuf[RECV_BUF_SIZE];
	size_t							recvBufUsed;
};

#endif