/*

 * Copyright (c) 2001-2020 Mellanox Technologies, Ltd. All rights reserved.

 *

 * This software is available to you under a choice of one of two

 * licenses.  You may choose to be licensed under the terms of the GNU

 * General Public License (GPL) Version 2, available from the file

 * COPYING in the main directory of this source tree, or the

 * BSD license below:

 *

 *     Redistribution and use in source and binary forms, with or

 *     without modification, are permitted provided that the following

 *     conditions are met:

 *

 *      - Redistributions of source code must retain the above

 *        copyright notice, this list of conditions and the following

 *        disclaimer.

 *

 *      - Redistributions in binary form must reproduce the above

 *        copyright notice, this list of conditions and the following

 *        disclaimer in the documentation and/or other materials

 *        provided with the distribution.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS

 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN

 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

 * SOFTWARE.

 */

#ifndef STATS_DATA_READER_H

#define STATS_DATA_READER_H

#include <map>

#include "utils/lock_wrapper.h"

#include "vma/event/timer_handler.h"

typedef std::map< void*, std::pair<void*, int> > stats_read_map_t;

typedef struct {

        int size;

        void* shm_addr;

} data_addr_and_size_t;

class stats_data_reader : public timer_handler

{

        public:

                stats_data_reader();

                void    handle_timer_expired(void *ctx);

                void    register_to_timer();

                void    add_data_reader(void* local_addr, void* shm_addr, int size);

                void*   pop_data_reader(void* local_addr);

        private:

                void*  m_timer_handler;

                stats_read_map_t m_data_map;

                lock_spin m_lock_data_map;

};

#endif //STATS_DATA_READER_H