rate_ctr.h

Go to the documentation of this file.

#pragma once
 
#include <stdint.h>
 
#include <osmocom/core/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,      
};
 
struct rate_ctr_per_intv {
        uint64_t last;          
        uint64_t rate;          
};
 
struct rate_ctr {
        uint64_t current;       
        uint64_t previous;      
        struct rate_ctr_per_intv intv[RATE_CTR_INTV_NUM];
};
 
struct rate_ctr_desc {
        const char *name;       
        const char *description;
};
 
struct rate_ctr_group_desc {
        const char *group_name_prefix;
        const char *group_description;
        int class_id;
        unsigned int num_ctr;
        const struct rate_ctr_desc *ctr_desc;
};
 
struct rate_ctr_group {
        struct llist_head list;
        const struct rate_ctr_group_desc *desc;
        unsigned int idx;
        char *name;
        struct rate_ctr ctr[0];
};
 
struct rate_ctr_group *rate_ctr_group_alloc(void *ctx,
                                            const struct rate_ctr_group_desc *desc,
                                            unsigned int idx);
 
static inline void rate_ctr_group_upd_idx(struct rate_ctr_group *grp, unsigned int idx)
{
        grp->idx = idx;
}
void rate_ctr_group_set_name(struct rate_ctr_group *grp, const char *name);
 
struct rate_ctr *rate_ctr_group_get_ctr(struct rate_ctr_group *grp, unsigned int idx);
 
void rate_ctr_group_free(struct rate_ctr_group *grp);
 
void rate_ctr_add(struct rate_ctr *ctr, int inc);
 
static inline void rate_ctr_add2(struct rate_ctr_group *ctrg, unsigned int idx, int inc)
{
        rate_ctr_add(rate_ctr_group_get_ctr(ctrg, idx), inc);
}
 
static inline void rate_ctr_inc(struct rate_ctr *ctr)
{
        rate_ctr_add(ctr, 1);
}
 
static inline void rate_ctr_inc2(struct rate_ctr_group *ctrg, unsigned int idx)
{
        rate_ctr_inc(rate_ctr_group_get_ctr(ctrg, idx));
}
 
 
int64_t rate_ctr_difference(struct rate_ctr *ctr);
 
int rate_ctr_init(void *tall_ctx);
 
struct rate_ctr_group *rate_ctr_get_group_by_name_idx(const char *name, const unsigned int idx);
const struct rate_ctr *rate_ctr_get_by_name(const struct rate_ctr_group *ctrg, const char *name);
 
typedef int (*rate_ctr_handler_t)(
        struct rate_ctr_group *, struct rate_ctr *,
        const struct rate_ctr_desc *, void *);
typedef int (*rate_ctr_group_handler_t)(struct rate_ctr_group *, void *);
 
 
int rate_ctr_for_each_counter(struct rate_ctr_group *ctrg,
        rate_ctr_handler_t handle_counter, void *data);
 
int rate_ctr_for_each_group(rate_ctr_group_handler_t handle_group, void *data);
 
void rate_ctr_reset(struct rate_ctr *ctr);
void rate_ctr_group_reset(struct rate_ctr_group *ctrg);