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#ifndef _RATE_CTR_H
#define _RATE_CTR_H
#include <stdint.h>
#include <osmocore/linuxlist.h>
#define RATE_CTR_INTV_NUM 4
enum rate_ctr_intv {
RATE_CTR_INTV_SEC,
RATE_CTR_INTV_MIN,
RATE_CTR_INTV_HOUR,
RATE_CTR_INTV_DAY,
};
/* for each of the intervals, we keep the following values */
struct rate_ctr_per_intv {
uint64_t last;
uint64_t rate;
};
/* for each actual value, we keep the following data */
struct rate_ctr {
uint64_t current;
struct rate_ctr_per_intv intv[RATE_CTR_INTV_NUM];
};
struct rate_ctr_desc {
const char *name;
const char *description;
};
/* Describe a counter group class */
struct rate_ctr_group_desc {
/* The prefix to the name of all counters in this group */
const char *group_name_prefix;
/* The human-readable description of the group */
const char *group_description;
/* The number of counters in this group */
const unsigned int num_ctr;
/* Pointer to array of counter names */
const struct rate_ctr_desc *ctr_desc;
};
/* One instance of a counter group class */
struct rate_ctr_group {
/* Linked list of all counter groups in the system */
struct llist_head list;
/* Pointer to the counter group class */
const struct rate_ctr_group_desc *desc;
/* The index of this ctr_group within its class */
unsigned int idx;
/* Actual counter structures below */
struct rate_ctr ctr[0];
};
/* Allocate a new group of counters according to description */
struct rate_ctr_group *rate_ctr_group_alloc(void *ctx,
const struct rate_ctr_group_desc *desc,
unsigned int idx);
/* Free the memory for the specified group of counters */
void rate_ctr_group_free(struct rate_ctr_group *grp);
/* Add a number to the counter */
void rate_ctr_add(struct rate_ctr *ctr, int inc);
/* Increment the counter by 1 */
static inline void rate_ctr_inc(struct rate_ctr *ctr)
{
rate_ctr_add(ctr, 1);
}
/* Initialize the counter module */
int rate_ctr_init(void *tall_ctx);
struct vty;
void vty_out_rate_ctr_group(struct vty *vty, const char *prefix,
struct rate_ctr_group *ctrg);
#endif /* RATE_CTR_H */
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