ratelimit.h

   1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
   2
   3 #ifndef fooratelimithfoo
   4 #define fooratelimithfoo
   5
   6 #include "util.h"
   7
   8 typedef struct RateLimit {
   9         usec_t interval;
  10         unsigned burst;
  11         unsigned n_printed, n_missed;
  12         usec_t begin;
  13 } RateLimit;
  14
  15 #define RATELIMIT_DEFINE(_name, _interval, _burst)      \
  16         RateLimit _name = {                             \
  17                 .interval = (_interval),                \
  18                 .burst = (_burst),                      \
  19                 .n_printed = 0,                         \
  20                 .n_missed = 0,                          \
  21                 .begin = 0                              \
  22         }
  23
  24 #define RATELIMIT_INIT(v, _interval, _burst)            \
  25         do {                                            \
  26                 RateLimit *r = &(v);                    \
  27                 r->interval = (_interval);              \
  28                 r->burst = (_burst);                    \
  29                 r->n_printed = 0;                       \
  30                 r->n_missed = 0;                        \
  31                 r->begin = 0;                           \
  32         } while (false);
  33
  34 bool ratelimit_test(RateLimit *r);
  35
  36 #endif