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#include "ogs-app.h"
#include "context.h"
#include "metrics.h"
typedef struct pcf_metrics_spec_def_s {
unsigned int type;
const char *name;
const char *description;
int initial_val;
unsigned int num_labels;
const char **labels;
} pcf_metrics_spec_def_t;
/* Helper generic functions: */
static int pcf_metrics_init_inst(ogs_metrics_inst_t **inst,
ogs_metrics_spec_t **specs, unsigned int len,
unsigned int num_labels, const char **labels)
{
unsigned int i;
for (i = 0; i < len; i++)
inst[i] = ogs_metrics_inst_new(specs[i], num_labels, labels);
return OGS_OK;
}
static int pcf_metrics_free_inst(ogs_metrics_inst_t **inst,
unsigned int len)
{
unsigned int i;
for (i = 0; i < len; i++)
ogs_metrics_inst_free(inst[i]);
memset(inst, 0, sizeof(inst[0]) * len);
return OGS_OK;
}
static int pcf_metrics_init_spec(ogs_metrics_context_t *ctx,
ogs_metrics_spec_t **dst, pcf_metrics_spec_def_t *src, unsigned int len)
{
unsigned int i;
for (i = 0; i < len; i++) {
dst[i] = ogs_metrics_spec_new(ctx, src[i].type,
src[i].name, src[i].description,
src[i].initial_val, src[i].num_labels, src[i].labels,
NULL);
}
return OGS_OK;
}
/* GLOBAL */
ogs_metrics_spec_t *pcf_metrics_spec_global[_PCF_METR_GLOB_MAX];
ogs_metrics_inst_t *pcf_metrics_inst_global[_PCF_METR_GLOB_MAX];
pcf_metrics_spec_def_t pcf_metrics_spec_def_global[_PCF_METR_GLOB_MAX] = {
/* Global Counters: */
/* Global Gauges: */
};
int pcf_metrics_init_inst_global(void)
{
return pcf_metrics_init_inst(pcf_metrics_inst_global,
pcf_metrics_spec_global, _PCF_METR_GLOB_MAX, 0, NULL);
}
int pcf_metrics_free_inst_global(void)
{
return pcf_metrics_free_inst(pcf_metrics_inst_global, _PCF_METR_GLOB_MAX);
}
/* BY_SLICE */
const char *labels_slice[] = {
"plmnid",
"snssai"
};
#define PCF_METR_BY_SLICE_CTR_ENTRY(_id, _name, _desc) \
[_id] = { \
.type = OGS_METRICS_METRIC_TYPE_COUNTER, \
.name = _name, \
.description = _desc, \
.num_labels = OGS_ARRAY_SIZE(labels_slice), \
.labels = labels_slice, \
},
#define PCF_METR_BY_SLICE_GAUGE_ENTRY(_id, _name, _desc) \
[_id] = { \
.type = OGS_METRICS_METRIC_TYPE_GAUGE, \
.name = _name, \
.description = _desc, \
.num_labels = OGS_ARRAY_SIZE(labels_slice), \
.labels = labels_slice, \
},
ogs_metrics_spec_t *pcf_metrics_spec_by_slice[_PCF_METR_BY_SLICE_MAX];
ogs_hash_t *metrics_hash_by_slice = NULL; /* hash table for SLICE labels */
pcf_metrics_spec_def_t pcf_metrics_spec_def_by_slice[_PCF_METR_BY_SLICE_MAX] = {
/* Counters: */
PCF_METR_BY_SLICE_CTR_ENTRY(
PCF_METR_CTR_PA_POLICYAMASSOREQ,
"fivegs_pcffunction_pa_policyamassoreq",
"Number of AM policy association requests")
PCF_METR_BY_SLICE_CTR_ENTRY(
PCF_METR_CTR_PA_POLICYAMASSOSUCC,
"fivegs_pcffunction_pa_policyamassosucc",
"Number of successful AM policy associations")
PCF_METR_BY_SLICE_CTR_ENTRY(
PCF_METR_CTR_PA_POLICYSMASSOREQ,
"fivegs_pcffunction_pa_policysmassoreq",
"Number of SM policy association requests")
PCF_METR_BY_SLICE_CTR_ENTRY(
PCF_METR_CTR_PA_POLICYSMASSOSUCC,
"fivegs_pcffunction_pa_policysmassosucc",
"Number of successful SM policy associations")
/* Gauges: */
PCF_METR_BY_SLICE_GAUGE_ENTRY(
PCF_METR_GAUGE_PA_SESSIONNBR,
"fivegs_pcffunction_pa_sessionnbr",
"Active Sessions")
};
void pcf_metrics_init_by_slice(void);
int pcf_metrics_free_inst_by_slice(ogs_metrics_inst_t **inst);
typedef struct pcf_metric_key_by_slice_s {
ogs_plmn_id_t plmn_id;
ogs_s_nssai_t snssai;
pcf_metric_type_by_slice_t t;
} pcf_metric_key_by_slice_t;
void pcf_metrics_init_by_slice(void)
{
metrics_hash_by_slice = ogs_hash_make();
ogs_assert(metrics_hash_by_slice);
}
void pcf_metrics_inst_by_slice_add(ogs_plmn_id_t *plmn,
ogs_s_nssai_t *snssai, pcf_metric_type_by_slice_t t, int val)
{
ogs_metrics_inst_t *metrics = NULL;
pcf_metric_key_by_slice_t *slice_key;
slice_key = ogs_calloc(1, sizeof(*slice_key));
ogs_assert(slice_key);
if (plmn) {
slice_key->plmn_id = *plmn;
}
if (snssai) {
slice_key->snssai = *snssai;
} else {
slice_key->snssai.sst = 0;
slice_key->snssai.sd.v = OGS_S_NSSAI_NO_SD_VALUE;
}
slice_key->t = t;
metrics = ogs_hash_get(metrics_hash_by_slice,
slice_key, sizeof(*slice_key));
if (!metrics) {
char plmn_id[OGS_PLMNIDSTRLEN] = "";
char *s_nssai = NULL;
if (plmn) {
ogs_plmn_id_to_string(plmn, plmn_id);
}
if (snssai) {
s_nssai = ogs_sbi_s_nssai_to_string(snssai);
} else {
s_nssai = ogs_strdup("");
}
metrics = ogs_metrics_inst_new(pcf_metrics_spec_by_slice[t],
pcf_metrics_spec_def_by_slice->num_labels,
(const char *[]){ plmn_id, s_nssai });
ogs_assert(metrics);
ogs_hash_set(metrics_hash_by_slice,
slice_key, sizeof(*slice_key), metrics);
if (s_nssai)
ogs_free(s_nssai);
} else {
ogs_free(slice_key);
}
ogs_metrics_inst_add(metrics, val);
}
int pcf_metrics_free_inst_by_slice(ogs_metrics_inst_t **inst)
{
return pcf_metrics_free_inst(inst, _PCF_METR_BY_SLICE_MAX);
}
void pcf_metrics_init(void)
{
ogs_metrics_context_t *ctx = ogs_metrics_self();
ogs_metrics_context_init();
pcf_metrics_init_spec(ctx, pcf_metrics_spec_global,
pcf_metrics_spec_def_global, _PCF_METR_GLOB_MAX);
pcf_metrics_init_spec(ctx, pcf_metrics_spec_by_slice,
pcf_metrics_spec_def_by_slice, _PCF_METR_BY_SLICE_MAX);
pcf_metrics_init_inst_global();
pcf_metrics_init_by_slice();
}
void pcf_metrics_final(void)
{
ogs_hash_index_t *hi;
if (metrics_hash_by_slice) {
for (hi = ogs_hash_first(metrics_hash_by_slice); hi; hi = ogs_hash_next(hi)) {
pcf_metric_key_by_slice_t *key =
(pcf_metric_key_by_slice_t *)ogs_hash_this_key(hi);
//void *val = ogs_hash_this_val(hi);
ogs_hash_set(metrics_hash_by_slice, key, sizeof(*key), NULL);
ogs_free(key);
/* don't free val (metric itself) -
* it will be free'd by ogs_metrics_context_final() */
//ogs_free(val);
}
ogs_hash_destroy(metrics_hash_by_slice);
}
ogs_metrics_context_final();
}
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