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#pragma once
/*! \file statistics.h
* \brief Common routines regarding statistics */
/*! structure representing a single counter */
struct osmo_counter {
struct llist_head list; /*!< \brief internal list head */
const char *name; /*!< \brief human-readable name */
const char *description; /*!< \brief humn-readable description */
unsigned long value; /*!< \brief current value */
};
/*! \brief Increment counter */
static inline void osmo_counter_inc(struct osmo_counter *ctr)
{
ctr->value++;
}
/*! \brief Get current value of counter */
static inline unsigned long osmo_counter_get(struct osmo_counter *ctr)
{
return ctr->value;
}
/*! \brief Reset current value of counter to 0 */
static inline void osmo_counter_reset(struct osmo_counter *ctr)
{
ctr->value = 0;
}
/*! \brief Allocate a new counter */
struct osmo_counter *osmo_counter_alloc(const char *name);
/*! \brief Free the specified counter
* \param[in] ctr Counter
*/
void osmo_counter_free(struct osmo_counter *ctr);
/*! \brief Iteate over all counters
* \param[in] handle_counter Call-back function
* \param[in] data Private dtata handed through to \a handle_counter
*/
int osmo_counters_for_each(int (*handle_counter)(struct osmo_counter *, void *), void *data);
/*! \brief Resolve counter by human-readable name
* \param[in] name human-readable name of counter
* \returns pointer to counter (\ref osmo_counter) or NULL otherwise
*/
struct osmo_counter *osmo_counter_get_by_name(const char *name);
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