mirror of https://gerrit.osmocom.org/libosmocore
116 lines
4.2 KiB
C
116 lines
4.2 KiB
C
#pragma once
|
|
|
|
/*! \defgroup osmo_stat_item Statistics value item
|
|
* @{
|
|
* \file stat_item.h */
|
|
|
|
#include <stdint.h>
|
|
|
|
#include <osmocom/core/defs.h>
|
|
#include <osmocom/core/linuxlist.h>
|
|
|
|
struct osmo_stat_item_desc;
|
|
|
|
#define OSMO_STAT_ITEM_NOVALUE_ID 0
|
|
#define OSMO_STAT_ITEM_NO_UNIT NULL
|
|
|
|
/*! data we keep for each actual item. Access via API functions only.
|
|
* (This struct was made opaque after libosmocore 1.5.1)*/
|
|
struct osmo_stat_item;
|
|
|
|
/*! Statistics item description */
|
|
struct osmo_stat_item_desc {
|
|
const char *name; /*!< name of the item */
|
|
const char *description;/*!< description of the item */
|
|
const char *unit; /*!< unit of a value */
|
|
unsigned int num_values;/*!< DEPRECATED, this value is ignored after libosmocore version 1.5.1 */
|
|
int32_t default_value; /*!< default value */
|
|
};
|
|
|
|
/*! Description of a statistics item group */
|
|
struct osmo_stat_item_group_desc {
|
|
/*! The prefix to the name of all values in this group */
|
|
const char *group_name_prefix;
|
|
/*! The human-readable description of the group */
|
|
const char *group_description;
|
|
/*! The class to which this group belongs */
|
|
int class_id;
|
|
/*! The number of values in this group (size of item_desc) */
|
|
const unsigned int num_items;
|
|
/*! Pointer to array of value names, length as per num_items */
|
|
const struct osmo_stat_item_desc *item_desc;
|
|
};
|
|
|
|
/*! One instance of a counter group class */
|
|
struct osmo_stat_item_group {
|
|
/*! Linked list of all value groups in the system */
|
|
struct llist_head list;
|
|
/*! Pointer to the counter group class */
|
|
const struct osmo_stat_item_group_desc *desc;
|
|
/*! The index of this value group within its class */
|
|
unsigned int idx;
|
|
/*! Optional string-based identifier to be used instead of index at report time */
|
|
char *name;
|
|
/*! Actual counter structures below */
|
|
struct osmo_stat_item *items[0];
|
|
};
|
|
|
|
struct osmo_stat_item_group *osmo_stat_item_group_alloc(
|
|
void *ctx,
|
|
const struct osmo_stat_item_group_desc *group_desc,
|
|
unsigned int idx);
|
|
|
|
static inline void osmo_stat_item_group_udp_idx(
|
|
struct osmo_stat_item_group *grp, unsigned int idx)
|
|
{
|
|
grp->idx = idx;
|
|
}
|
|
struct osmo_stat_item *osmo_stat_item_group_get_item(struct osmo_stat_item_group *grp, unsigned int idx);
|
|
void osmo_stat_item_group_set_name(struct osmo_stat_item_group *statg, const char *name);
|
|
void osmo_stat_item_group_free(struct osmo_stat_item_group *statg);
|
|
|
|
void osmo_stat_item_inc(struct osmo_stat_item *item, int32_t value);
|
|
void osmo_stat_item_dec(struct osmo_stat_item *item, int32_t value);
|
|
void osmo_stat_item_set(struct osmo_stat_item *item, int32_t value);
|
|
|
|
int osmo_stat_item_init(void *tall_ctx);
|
|
|
|
struct osmo_stat_item_group *osmo_stat_item_get_group_by_name_idx(
|
|
const char *name, const unsigned int idx);
|
|
struct osmo_stat_item_group *osmo_stat_item_get_group_by_name_idxname(const char *group_name, const char *idx_name);
|
|
|
|
const struct osmo_stat_item *osmo_stat_item_get_by_name(
|
|
const struct osmo_stat_item_group *statg, const char *name);
|
|
|
|
int32_t osmo_stat_item_get_last(const struct osmo_stat_item *item);
|
|
|
|
void osmo_stat_item_flush(struct osmo_stat_item *item);
|
|
|
|
typedef int (*osmo_stat_item_handler_t)(
|
|
struct osmo_stat_item_group *, struct osmo_stat_item *, void *);
|
|
|
|
typedef int (*osmo_stat_item_group_handler_t)(struct osmo_stat_item_group *, void *);
|
|
|
|
int osmo_stat_item_for_each_item(struct osmo_stat_item_group *statg,
|
|
osmo_stat_item_handler_t handle_item, void *data);
|
|
|
|
int osmo_stat_item_for_each_group(osmo_stat_item_group_handler_t handle_group, void *data);
|
|
|
|
void osmo_stat_item_reset(struct osmo_stat_item *item);
|
|
void osmo_stat_item_group_reset(struct osmo_stat_item_group *statg);
|
|
|
|
const struct osmo_stat_item_desc *osmo_stat_item_get_desc(struct osmo_stat_item *item);
|
|
|
|
/* DEPRECATION: up until libosmocore 1.5.1, this API also defined
|
|
* - struct osmo_stat_item_value
|
|
* - osmo_stat_item_get_next()
|
|
* - osmo_stat_item_discard()
|
|
* - osmo_stat_item_discard_all()
|
|
* Despite our principle of never breaking API compatibility, we have decided to remove these, because there are no
|
|
* known users. These items were never practically used/usable outside of libosmocore since the generic stats reporter
|
|
* (stats.c) was introduced.
|
|
* We also decided to make struct osmo_stat_item opaque to allow future changes of the struct without API breakage.
|
|
*/
|
|
|
|
/*! @} */
|