mars/kernel/lib_limiter.h
2017-07-05 07:37:12 +02:00

57 lines
1.5 KiB
C

/*
* MARS Long Distance Replication Software
*
* This file is part of MARS project: http://schoebel.github.io/mars/
*
* Copyright (C) 2010-2014 Thomas Schoebel-Theuer
* Copyright (C) 2011-2014 1&1 Internet AG
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MARS_LIB_LIMITER_H
#define MARS_LIB_LIMITER_H
#include "brick.h"
#include <linux/utsname.h>
struct mars_limiter {
/* hierarchy tree */
struct mars_limiter *lim_father;
/* tunables */
int lim_max_rate;
int lim_max_delay;
int lim_min_window;
int lim_max_window;
/* readable */
int lim_rate;
int lim_cumul;
int lim_count;
int lim_total_ops;
int lim_total_sum;
long long lim_stamp;
/* internal */
long long lim_accu;
};
extern int mars_limit(struct mars_limiter *lim, int amount);
extern void mars_limit_sleep(struct mars_limiter *lim, int amount);
void mars_limit_reset(struct mars_limiter *lim);
#endif