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stat,rate_ctr: Introduce new API to get counter at given index 

Having this API and forcing apps to use it will allow easily adding new
members to the group structure without having so much impact in users of
this struct.

Related: SYS#5456
Change-Id: Iebbf401f11e36645f8964d389460918eb9e0910e
This commit is contained in:
Pau Espin 2021-05-31 13:39:07 +02:00 committed by pespin
parent 20199da02d
commit 5fe3de5313
4 changed files with 25 additions and 3 deletions
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6
include/osmocom/core/rate_ctr.h
View File

@ -61,7 +61,7 @@ struct rate_ctr_group {
const struct rate_ctr_group_desc *desc;
/*! The index of this ctr_group within its class */
unsigned int idx;
/*! Actual counter structures below */
/*! Actual counter structures below. Don't access it directly, use APIs below! */
struct rate_ctr ctr[0];
};
@ -74,6 +74,8 @@ static inline void rate_ctr_group_upd_idx(struct rate_ctr_group *grp, unsigned i
grp->idx = idx;
}
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);
/*! Increment the counter by \a inc
@ -93,7 +95,7 @@ static inline void rate_ctr_inc(struct rate_ctr *ctr)
* \param idx index into \a ctrg counter group */
static inline void rate_ctr_inc2(struct rate_ctr_group *ctrg, unsigned int idx)
{
rate_ctr_inc(&ctrg->ctr[idx]);
rate_ctr_inc(rate_ctr_group_get_ctr(ctrg, idx));
}

2
include/osmocom/core/stat_item.h
View File

@ -79,7 +79,7 @@ static inline void osmo_stat_item_group_udp_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_free(struct osmo_stat_item_group *statg);
void osmo_stat_item_inc(struct osmo_stat_item *item, int32_t value);

10
src/rate_ctr.c
View File

@ -263,6 +263,16 @@ void rate_ctr_group_free(struct rate_ctr_group *grp)
talloc_free(grp);
}
/*! Get rate counter from group, identified by index idx
* \param[in] grp Rate counter group
* \param[in] idx Index of the counter to retrieve
* \returns rate counter requested
*/
struct rate_ctr *rate_ctr_group_get_ctr(struct rate_ctr_group *grp, unsigned int idx)
{
return &grp->ctr[idx];
}
/*! Add a number to the counter */
void rate_ctr_add(struct rate_ctr *ctr, int inc)
{

10
src/stat_item.c
View File

@ -167,6 +167,16 @@ void osmo_stat_item_group_free(struct osmo_stat_item_group *grp)
talloc_free(grp);
}
/*! Get statistics item from group, identified by index idx
* \param[in] grp Rate counter group
* \param[in] idx Index of the counter to retrieve
* \returns rate counter requested
*/
struct osmo_stat_item *osmo_stat_item_group_get_item(struct osmo_stat_item_group *grp, unsigned int idx)
{
return grp->items[idx];
}
/*! Increase the stat_item to the given value.
* This function adds a new value for the given stat_item at the end of
* the FIFO.