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Diffstat (limited to 'src/lib/log-throttle.h')
| -rw-r--r-- | src/lib/log-throttle.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/lib/log-throttle.h b/src/lib/log-throttle.h new file mode 100644 index 0000000..be98239 --- /dev/null +++ b/src/lib/log-throttle.h @@ -0,0 +1,32 @@ +#ifndef LOG_THROTTLE_H +#define LOG_THROTTLE_H + +struct log_throttle_settings { + /* Start throttling after we reach this many log events/interval. */ + unsigned int throttle_at_max_per_interval; + /* Throttling continues until there's only this many or below + log events/interval. */ + unsigned int unthrottle_at_max_per_interval; + /* Interval unit in milliseconds. The throttled-callback is also called + at this interval. Default (0) is 1000 milliseconds. */ + unsigned int interval_msecs; +}; + +typedef void +log_throttle_callback_t(unsigned int new_events_count, void *context); + +struct log_throttle * +log_throttle_init(const struct log_throttle_settings *set, + log_throttle_callback_t *callback, void *context); +#define log_throttle_init(set, callback, context) \ + log_throttle_init(set - \ + CALLBACK_TYPECHECK(callback, void (*)(unsigned int, typeof(context))), \ + (log_throttle_callback_t *)callback, context) +void log_throttle_deinit(struct log_throttle **throttle); + +/* Increase event count. Returns TRUE if the event should be logged, + FALSE if it's throttled. ioloop_timeval is used to determine the current + time. */ +bool log_throttle_accept(struct log_throttle *throttle); + +#endif |