025525266f
The old timer interface is still kept, but implemented by new timers. The plan is to switch from the old inteface to the new interface, then clean it up.
109 lines
2.1 KiB
C
109 lines
2.1 KiB
C
/*
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* BIRD -- Timers
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*
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* (c) 2013--2017 Ondrej Zajicek <santiago@crfreenet.org>
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* (c) 2013--2017 CZ.NIC z.s.p.o.
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#ifndef _BIRD_TIMER2_H_
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#define _BIRD_TIMER2_H_
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#include "nest/bird.h"
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#include "lib/buffer.h"
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#include "lib/resource.h"
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typedef struct timer2
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{
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resource r;
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void (*hook)(struct timer2 *);
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void *data;
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btime expires; /* 0=inactive */
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uint randomize; /* Amount of randomization */
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uint recurrent; /* Timer recurrence */
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int index;
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} timer2;
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struct timeloop
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{
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BUFFER(timer2 *) timers;
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btime last_time;
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btime real_time;
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};
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static inline uint timers_count(struct timeloop *loop)
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{ return loop->timers.used - 1; }
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static inline timer2 *timers_first(struct timeloop *loop)
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{ return (loop->timers.used > 1) ? loop->timers.data[1] : NULL; }
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extern struct timeloop main_timeloop;
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btime current_time(void);
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btime current_real_time(void);
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#define now (current_time() TO_S)
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#define now_real (current_real_time() TO_S)
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extern btime boot_time;
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timer2 *tm2_new(pool *p);
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void tm2_set(timer2 *t, btime when);
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void tm2_start(timer2 *t, btime after);
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void tm2_stop(timer2 *t);
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static inline int
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tm2_active(timer2 *t)
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{
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return t->expires != 0;
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}
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static inline btime
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tm2_remains(timer2 *t)
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{
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btime now_ = current_time();
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return (t->expires > now_) ? (t->expires - now_) : 0;
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}
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static inline timer2 *
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tm2_new_init(pool *p, void (*hook)(struct timer2 *), void *data, uint rec, uint rand)
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{
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timer2 *t = tm2_new(p);
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t->hook = hook;
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t->data = data;
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t->recurrent = rec;
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t->randomize = rand;
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return t;
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}
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static inline void
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tm2_set_max(timer2 *t, btime when)
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{
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if (when > t->expires)
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tm2_set(t, when);
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}
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static inline void
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tm2_start_max(timer2 *t, btime after)
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{
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btime rem = tm2_remains(t);
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tm2_start(t, MAX_(rem, after));
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}
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/* In sysdep code */
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void times_init(struct timeloop *loop);
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void times_update(struct timeloop *loop);
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void times_update_real_time(struct timeloop *loop);
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/* For I/O loop */
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void timers_init(struct timeloop *loop, pool *p);
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void timers_fire(struct timeloop *loop);
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void timer_init(void);
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#endif
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