mirror of https://github.com/schoebel/mars
64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
/*
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* MARS Long Distance Replication Software
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*
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* This file is part of MARS project: http://schoebel.github.io/mars/
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*
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* Copyright (C) 2010-2014 Thomas Schoebel-Theuer
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* Copyright (C) 2011-2014 1&1 Internet AG
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MARS_LIB_LIMITER_H
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#define MARS_LIB_LIMITER_H
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#include "brick.h"
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#include "lamport.h"
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#include <linux/utsname.h>
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/* Units:
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* Time is in ms
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* Rates are in units / s
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*/
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struct mars_limiter {
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/* hierarchy tree */
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struct mars_limiter *lim_father;
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/* tunables */
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int lim_max_ops_rate;
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int lim_max_amount_rate;
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int lim_max_delay_ms;
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int lim_min_window_ms;
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int lim_max_window_ms;
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/* readable */
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int lim_ops_rate;
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int lim_amount_rate;
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unsigned long lim_total_ops;
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unsigned long lim_total_amount;
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struct lamport_time lim_stamp;
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/* internal */
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__s64 lim_ops_accu;
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__s64 lim_amount_accu;
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};
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extern int mars_limit(struct mars_limiter *lim, int amount);
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extern void mars_limit_sleep(struct mars_limiter *lim, int amount);
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void mars_limit_reset(struct mars_limiter *lim);
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#endif
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