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