genode/os/include/nic/stat.h

/*
 * \brief  Interface to create statistic about received and transmitted
 *         packets of NIC components
 * \author Alexander Boettcher 
 * \date   2013-03-26
 */

/*
 * Copyright (C) 2013-2013 Genode Labs GmbH
 *
 * This file is part of the Genode OS framework, which is distributed
 * under the terms of the GNU General Public License version 2.
 */

#ifndef _INCLUDE__NIC__STAT_H_
#define _INCLUDE__NIC__STAT_H_

#include <base/stdint.h>
#include <net/ethernet.h>

#include <timer_session/connection.h>

namespace Nic {

	/**
	 *
	 */
	class Measurement
	{
		private:

            Timer::Connection &_timer;

			Net::Ethernet_frame::Mac_address _mac;

			struct stat {
				Genode::uint64_t size;
				unsigned long count; 
			} _stat, _drop;

			Genode::addr_t _timestamp; 

			enum status {
				FOR_US,
				IS_MAGIC,
				UNKNOWN
			};

			enum status _check(Net::Ethernet_frame *, Genode::size_t);
		public:

			Measurement(Timer::Connection &timer)
			:
				_timer(timer), _timestamp(0)
			{
				_stat.size = _stat.count = _drop.size = _drop.count = 0;
 			}

			void set_mac(void * mac) {
				Genode::memcpy(_mac.addr, mac, 6);
			}

			void data(Net::Ethernet_frame *, Genode::size_t);
	};

}

#endif /* _INCLUDE__NIC__STAT_H_ */