forked from acouzens/open5gs
321 lines
9.3 KiB
C
321 lines
9.3 KiB
C
#include "ogs-app.h"
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#include "context.h"
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#include "metrics.h"
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typedef struct pcf_metrics_spec_def_s {
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unsigned int type;
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const char *name;
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const char *description;
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int initial_val;
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unsigned int num_labels;
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const char **labels;
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} pcf_metrics_spec_def_t;
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/* Helper generic functions: */
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static int pcf_metrics_init_inst(ogs_metrics_inst_t **inst,
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ogs_metrics_spec_t **specs, unsigned int len,
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unsigned int num_labels, const char **labels)
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{
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unsigned int i;
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for (i = 0; i < len; i++)
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inst[i] = ogs_metrics_inst_new(specs[i], num_labels, labels);
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return OGS_OK;
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}
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static int pcf_metrics_free_inst(ogs_metrics_inst_t **inst,
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unsigned int len)
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{
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unsigned int i;
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for (i = 0; i < len; i++)
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ogs_metrics_inst_free(inst[i]);
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memset(inst, 0, sizeof(inst[0]) * len);
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return OGS_OK;
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}
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static int pcf_metrics_init_spec(ogs_metrics_context_t *ctx,
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ogs_metrics_spec_t **dst, pcf_metrics_spec_def_t *src, unsigned int len)
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{
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unsigned int i;
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for (i = 0; i < len; i++) {
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dst[i] = ogs_metrics_spec_new(ctx, src[i].type,
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src[i].name, src[i].description,
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src[i].initial_val, src[i].num_labels, src[i].labels);
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}
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return OGS_OK;
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}
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/* GLOBAL */
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ogs_metrics_spec_t *pcf_metrics_spec_global[_PCF_METR_GLOB_MAX];
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ogs_metrics_inst_t *pcf_metrics_inst_global[_PCF_METR_GLOB_MAX];
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pcf_metrics_spec_def_t pcf_metrics_spec_def_global[_PCF_METR_GLOB_MAX] = {
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/* Global Counters: */
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/* Global Gauges: */
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};
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static int pcf_metrics_init_inst_global(void)
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{
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return pcf_metrics_init_inst(pcf_metrics_inst_global,
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pcf_metrics_spec_global, _PCF_METR_GLOB_MAX, 0, NULL);
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}
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static int pcf_metrics_free_inst_global(void)
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{
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return pcf_metrics_free_inst(pcf_metrics_inst_global, _PCF_METR_GLOB_MAX);
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}
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/* BY_PLMN */
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const char *labels_plmn[] = {
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"plmnid"
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};
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#define PCF_METR_BY_PLMN_CTR_ENTRY(_id, _name, _desc) \
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[_id] = { \
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.type = OGS_METRICS_METRIC_TYPE_COUNTER, \
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.name = _name, \
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.description = _desc, \
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.num_labels = OGS_ARRAY_SIZE(labels_plmn), \
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.labels = labels_plmn, \
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},
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ogs_metrics_spec_t *pcf_metrics_spec_by_plmn[_PCF_METR_BY_PLMN_MAX];
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ogs_hash_t *metrics_hash_by_plmn = NULL; /* hash table for PLMN label */
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pcf_metrics_spec_def_t pcf_metrics_spec_def_by_plmn[_PCF_METR_BY_PLMN_MAX] = {
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/* Counters: */
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PCF_METR_BY_PLMN_CTR_ENTRY(
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PCF_METR_CTR_PA_POLICYAMASSOREQ,
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"fivegs_pcffunction_pa_policyamassoreq",
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"Number of AM policy association requests")
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PCF_METR_BY_PLMN_CTR_ENTRY(
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PCF_METR_CTR_PA_POLICYAMASSOSUCC,
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"fivegs_pcffunction_pa_policyamassosucc",
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"Number of successful AM policy associations")
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};
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void pcf_metrics_init_by_plmn(void);
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int pcf_metrics_free_inst_by_plmn(ogs_metrics_inst_t **inst);
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typedef struct pcf_metric_key_by_plmn_s {
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ogs_plmn_id_t plmn_id;
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pcf_metric_type_by_plmn_t t;
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} pcf_metric_key_by_plmn_t;
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void pcf_metrics_init_by_plmn(void)
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{
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metrics_hash_by_plmn = ogs_hash_make();
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ogs_assert(metrics_hash_by_plmn);
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}
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void pcf_metrics_inst_by_plmn_add(ogs_plmn_id_t *plmn,
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pcf_metric_type_by_plmn_t t, int val)
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{
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ogs_metrics_inst_t *metrics = NULL;
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pcf_metric_key_by_plmn_t *plmn_key;
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plmn_key = ogs_calloc(1, sizeof(*plmn_key));
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ogs_assert(plmn_key);
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if (plmn) {
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plmn_key->plmn_id = *plmn;
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}
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plmn_key->t = t;
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metrics = ogs_hash_get(metrics_hash_by_plmn,
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plmn_key, sizeof(*plmn_key));
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if (!metrics) {
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char plmn_id[OGS_PLMNIDSTRLEN] = "";
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if (plmn) {
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ogs_plmn_id_to_string(plmn, plmn_id);
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}
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metrics = ogs_metrics_inst_new(pcf_metrics_spec_by_plmn[t],
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pcf_metrics_spec_def_by_plmn->num_labels,
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(const char *[]){ plmn_id });
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ogs_assert(metrics);
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ogs_hash_set(metrics_hash_by_plmn,
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plmn_key, sizeof(*plmn_key), metrics);
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} else {
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ogs_free(plmn_key);
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}
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ogs_metrics_inst_add(metrics, val);
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}
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int pcf_metrics_free_inst_by_plmn(ogs_metrics_inst_t **inst)
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{
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return pcf_metrics_free_inst(inst, _PCF_METR_BY_PLMN_MAX);
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}
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/* BY_SLICE */
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const char *labels_slice[] = {
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"plmnid",
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"snssai"
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};
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#define PCF_METR_BY_SLICE_CTR_ENTRY(_id, _name, _desc) \
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[_id] = { \
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.type = OGS_METRICS_METRIC_TYPE_COUNTER, \
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.name = _name, \
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.description = _desc, \
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.num_labels = OGS_ARRAY_SIZE(labels_slice), \
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.labels = labels_slice, \
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},
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#define PCF_METR_BY_SLICE_GAUGE_ENTRY(_id, _name, _desc) \
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[_id] = { \
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.type = OGS_METRICS_METRIC_TYPE_GAUGE, \
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.name = _name, \
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.description = _desc, \
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.num_labels = OGS_ARRAY_SIZE(labels_slice), \
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.labels = labels_slice, \
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},
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ogs_metrics_spec_t *pcf_metrics_spec_by_slice[_PCF_METR_BY_SLICE_MAX];
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ogs_hash_t *metrics_hash_by_slice = NULL; /* hash table for SLICE labels */
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pcf_metrics_spec_def_t pcf_metrics_spec_def_by_slice[_PCF_METR_BY_SLICE_MAX] = {
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/* Counters: */
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PCF_METR_BY_SLICE_CTR_ENTRY(
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PCF_METR_CTR_PA_POLICYSMASSOREQ,
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"fivegs_pcffunction_pa_policysmassoreq",
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"Number of SM policy association requests")
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PCF_METR_BY_SLICE_CTR_ENTRY(
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PCF_METR_CTR_PA_POLICYSMASSOSUCC,
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"fivegs_pcffunction_pa_policysmassosucc",
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"Number of successful SM policy associations")
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/* Gauges: */
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PCF_METR_BY_SLICE_GAUGE_ENTRY(
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PCF_METR_GAUGE_PA_SESSIONNBR,
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"fivegs_pcffunction_pa_sessionnbr",
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"Active Sessions")
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};
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void pcf_metrics_init_by_slice(void);
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int pcf_metrics_free_inst_by_slice(ogs_metrics_inst_t **inst);
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typedef struct pcf_metric_key_by_slice_s {
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ogs_plmn_id_t plmn_id;
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ogs_s_nssai_t snssai;
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pcf_metric_type_by_slice_t t;
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} pcf_metric_key_by_slice_t;
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void pcf_metrics_init_by_slice(void)
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{
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metrics_hash_by_slice = ogs_hash_make();
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ogs_assert(metrics_hash_by_slice);
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}
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void pcf_metrics_inst_by_slice_add(ogs_plmn_id_t *plmn,
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ogs_s_nssai_t *snssai, pcf_metric_type_by_slice_t t, int val)
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{
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ogs_metrics_inst_t *metrics = NULL;
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pcf_metric_key_by_slice_t *slice_key;
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slice_key = ogs_calloc(1, sizeof(*slice_key));
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ogs_assert(slice_key);
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if (plmn) {
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slice_key->plmn_id = *plmn;
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}
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if (snssai) {
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slice_key->snssai = *snssai;
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} else {
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slice_key->snssai.sst = 0;
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slice_key->snssai.sd.v = OGS_S_NSSAI_NO_SD_VALUE;
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}
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slice_key->t = t;
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metrics = ogs_hash_get(metrics_hash_by_slice,
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slice_key, sizeof(*slice_key));
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if (!metrics) {
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char plmn_id[OGS_PLMNIDSTRLEN] = "";
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char *s_nssai = NULL;
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if (plmn) {
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ogs_plmn_id_to_string(plmn, plmn_id);
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}
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if (snssai) {
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s_nssai = ogs_sbi_s_nssai_to_string_plain(snssai);
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} else {
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s_nssai = ogs_strdup("");
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}
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metrics = ogs_metrics_inst_new(pcf_metrics_spec_by_slice[t],
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pcf_metrics_spec_def_by_slice->num_labels,
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(const char *[]){ plmn_id, s_nssai });
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ogs_assert(metrics);
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ogs_hash_set(metrics_hash_by_slice,
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slice_key, sizeof(*slice_key), metrics);
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if (s_nssai)
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ogs_free(s_nssai);
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} else {
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ogs_free(slice_key);
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}
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ogs_metrics_inst_add(metrics, val);
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}
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int pcf_metrics_free_inst_by_slice(ogs_metrics_inst_t **inst)
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{
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return pcf_metrics_free_inst(inst, _PCF_METR_BY_SLICE_MAX);
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}
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int pcf_metrics_open(void)
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{
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ogs_metrics_context_t *ctx = ogs_metrics_self();
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ogs_metrics_context_open(ctx);
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pcf_metrics_init_spec(ctx, pcf_metrics_spec_global,
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pcf_metrics_spec_def_global, _PCF_METR_GLOB_MAX);
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pcf_metrics_init_spec(ctx, pcf_metrics_spec_by_plmn,
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pcf_metrics_spec_def_by_plmn, _PCF_METR_BY_PLMN_MAX);
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pcf_metrics_init_spec(ctx, pcf_metrics_spec_by_slice,
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pcf_metrics_spec_def_by_slice, _PCF_METR_BY_SLICE_MAX);
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pcf_metrics_init_inst_global();
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pcf_metrics_init_by_plmn();
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pcf_metrics_init_by_slice();
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return 0;
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}
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int pcf_metrics_close(void)
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{
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ogs_hash_index_t *hi;
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ogs_metrics_context_t *ctx = ogs_metrics_self();
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pcf_metrics_free_inst_global();
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if (metrics_hash_by_slice) {
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for (hi = ogs_hash_first(metrics_hash_by_slice); hi; hi = ogs_hash_next(hi)) {
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pcf_metric_key_by_slice_t *key =
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(pcf_metric_key_by_slice_t *)ogs_hash_this_key(hi);
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//void *val = ogs_hash_this_val(hi);
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ogs_hash_set(metrics_hash_by_slice, key, sizeof(*key), NULL);
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ogs_free(key);
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/* don't free val (metric itself) -
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* it will be free'd by ogs_metrics_context_final() */
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//ogs_free(val);
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}
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ogs_hash_destroy(metrics_hash_by_slice);
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}
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if (metrics_hash_by_plmn) {
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for (hi = ogs_hash_first(metrics_hash_by_plmn); hi; hi = ogs_hash_next(hi)) {
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pcf_metric_key_by_plmn_t *key =
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(pcf_metric_key_by_plmn_t *)ogs_hash_this_key(hi);
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//void *val = ogs_hash_this_val(hi);
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ogs_hash_set(metrics_hash_by_plmn, key, sizeof(*key), NULL);
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ogs_free(key);
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/* don't free val (metric ifself) -
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* it will be free'd by ogs_metrics_context_final() */
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//ogs_free(val);
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}
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ogs_hash_destroy(metrics_hash_by_plmn);
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}
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ogs_metrics_context_close(ctx);
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return OGS_OK;
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}
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