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author | Pablo Neira Ayuso <pablo@gnumonks.org> | 2011-04-26 00:28:18 +0200 |
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committer | Pablo Neira Ayuso <pablo@gnumonks.org> | 2011-04-26 00:28:18 +0200 |
commit | f0059596a20bfa406a500ca5d6b34bf88d333ed3 (patch) | |
tree | 41bc483077171529e20084ede0784dd6af076056 /src/shared/libosmocore/include/osmocom/core/rate_ctr.h | |
parent | d9639bb010d05a96a6cbced94668c5754a4f0de9 (diff) | |
parent | 28dbfe9bf7a799ab1da2563fd5e007d007b54168 (diff) |
Merge commit '28dbfe9bf7a799ab1da2563fd5e007d007b54168'
Diffstat (limited to 'src/shared/libosmocore/include/osmocom/core/rate_ctr.h')
-rw-r--r-- | src/shared/libosmocore/include/osmocom/core/rate_ctr.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/shared/libosmocore/include/osmocom/core/rate_ctr.h b/src/shared/libosmocore/include/osmocom/core/rate_ctr.h new file mode 100644 index 00000000..ebb8646c --- /dev/null +++ b/src/shared/libosmocore/include/osmocom/core/rate_ctr.h @@ -0,0 +1,80 @@ +#ifndef _RATE_CTR_H +#define _RATE_CTR_H + +#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, +}; + +/* for each of the intervals, we keep the following values */ +struct rate_ctr_per_intv { + uint64_t last; + uint64_t rate; +}; + +/* for each actual value, we keep the following data */ +struct rate_ctr { + uint64_t current; + struct rate_ctr_per_intv intv[RATE_CTR_INTV_NUM]; +}; + +struct rate_ctr_desc { + const char *name; + const char *description; +}; + +/* Describe a counter group class */ +struct rate_ctr_group_desc { + /* The prefix to the name of all counters in this group */ + const char *group_name_prefix; + /* The human-readable description of the group */ + const char *group_description; + /* The number of counters in this group */ + const unsigned int num_ctr; + /* Pointer to array of counter names */ + const struct rate_ctr_desc *ctr_desc; +}; + +/* One instance of a counter group class */ +struct rate_ctr_group { + /* Linked list of all counter groups in the system */ + struct llist_head list; + /* Pointer to the counter group class */ + const struct rate_ctr_group_desc *desc; + /* The index of this ctr_group within its class */ + unsigned int idx; + /* Actual counter structures below */ + struct rate_ctr ctr[0]; +}; + +/* Allocate a new group of counters according to description */ +struct rate_ctr_group *rate_ctr_group_alloc(void *ctx, + const struct rate_ctr_group_desc *desc, + unsigned int idx); + +/* Free the memory for the specified group of counters */ +void rate_ctr_group_free(struct rate_ctr_group *grp); + +/* Add a number to the counter */ +void rate_ctr_add(struct rate_ctr *ctr, int inc); + +/* Increment the counter by 1 */ +static inline void rate_ctr_inc(struct rate_ctr *ctr) +{ + rate_ctr_add(ctr, 1); +} + +/* Initialize the counter module */ +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); +#endif /* RATE_CTR_H */ |