2012-08-07 12:07:12 +00:00
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// (c) 2012 Thomas Schoebel-Theuer / 1&1 Internet AG
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#ifndef MARS_LIB_LIMITER_H
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#define MARS_LIB_LIMITER_H
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2012-09-24 09:17:00 +00:00
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#include "brick.h"
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2012-08-07 12:07:12 +00:00
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#include <linux/utsname.h>
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#define LIMITER_TIME_RESOLUTION NSEC_PER_SEC
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struct mars_limiter {
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2012-09-24 09:49:29 +00:00
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/* hierarchy tree */
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struct mars_limiter *lim_father;
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2012-08-07 12:07:12 +00:00
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/* tunables */
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int lim_max_rate;
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2012-09-24 09:49:29 +00:00
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/* readable */
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int lim_rate;
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2013-11-19 11:22:45 +00:00
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int lim_cumul;
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2012-12-06 13:14:59 +00:00
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long long lim_stamp;
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2012-08-07 12:07:12 +00:00
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/* internal */
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2013-07-15 07:58:35 +00:00
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long long lim_accu;
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2012-08-07 12:07:12 +00:00
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};
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2012-09-24 09:17:00 +00:00
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extern int mars_limit(struct mars_limiter *lim, int amount);
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2012-08-07 12:07:12 +00:00
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extern inline
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void mars_limit_sleep(struct mars_limiter *lim, int amount)
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{
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int sleep = mars_limit(lim, amount);
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if (sleep > 0) {
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if (sleep > 1000)
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sleep = 1000;
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2012-09-17 10:11:25 +00:00
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brick_msleep(sleep);
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2012-08-07 12:07:12 +00:00
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}
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}
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#endif
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