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https://github.com/open5gs/open5gs.git
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6f593432a4
Version of histogram support without ogs_metrics_spec_new_ex(). Buckets are now, just like labels, passed to ogs_metrics_spec_new() as a pointer.
120 lines
4.0 KiB
C
120 lines
4.0 KiB
C
/*
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* Copyright (C) 2022 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
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*
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* This file is part of Open5GS.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#if !defined(OGS_METRICS_INSIDE) && !defined(OGS_METRICS_COMPILATION)
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#error "This header cannot be included directly."
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#endif
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#ifndef OGS_METRICS_CONTEXT_H
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#define OGS_METRICS_CONTEXT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct ogs_metrics_server_s ogs_metrics_server_t;
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typedef enum ogs_metrics_metric_type_s {
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OGS_METRICS_METRIC_TYPE_COUNTER,
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OGS_METRICS_METRIC_TYPE_GAUGE,
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OGS_METRICS_METRIC_TYPE_HISTOGRAM,
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} ogs_metrics_metric_type_t;
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typedef struct ogs_metrics_context_s {
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ogs_list_t server_list;
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ogs_list_t spec_list;
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uint16_t metrics_port;
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} ogs_metrics_context_t;
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typedef enum ogs_metrics_histogram_bucket_type_s {
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OGS_METRICS_HISTOGRAM_BUCKET_TYPE_VARIABLE,
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OGS_METRICS_HISTOGRAM_BUCKET_TYPE_LINEAR,
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OGS_METRICS_HISTOGRAM_BUCKET_TYPE_EXPONENTIAL,
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} ogs_metrics_histogram_bucket_type_t;
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typedef struct ogs_metrics_histogram_bucket_params_s {
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ogs_metrics_histogram_bucket_type_t type;
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unsigned int count;
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#define OGS_METRICS_HIST_VAR_BUCKETS_MAX 10
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union {
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struct {
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float start;
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float width;
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} lin;
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struct {
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float start;
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float factor;
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} exp;
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struct {
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float buckets[OGS_METRICS_HIST_VAR_BUCKETS_MAX];
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} var;
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};
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} ogs_metrics_histogram_params_t;
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typedef struct ogs_metrics_context_s ogs_metrics_context_t;
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void ogs_metrics_context_init(void);
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void ogs_metrics_context_open(ogs_metrics_context_t *ctx);
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void ogs_metrics_context_close(ogs_metrics_context_t *ctx);
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void ogs_metrics_context_final(void);
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ogs_metrics_context_t *ogs_metrics_self(void);
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int ogs_metrics_context_parse_config(const char *local);
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void ogs_metrics_server_init(ogs_metrics_context_t *ctx);
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void ogs_metrics_server_open(ogs_metrics_context_t *ctx);
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void ogs_metrics_server_close(ogs_metrics_context_t *ctx);
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void ogs_metrics_server_final(ogs_metrics_context_t *ctx);
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ogs_metrics_server_t *ogs_metrics_server_add(
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ogs_sockaddr_t *addr, ogs_sockopt_t *option);
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void ogs_metrics_server_remove(ogs_metrics_server_t *server);
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void ogs_metrics_server_remove_all(void);
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typedef struct ogs_metrics_spec_s ogs_metrics_spec_t;
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void ogs_metrics_spec_init(ogs_metrics_context_t *ctx);
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void ogs_metrics_spec_final(ogs_metrics_context_t *ctx);
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ogs_metrics_spec_t *ogs_metrics_spec_new(
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ogs_metrics_context_t *ctx, ogs_metrics_metric_type_t type,
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const char *name, const char *description,
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int initial_val, unsigned int num_labels, const char ** labels,
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ogs_metrics_histogram_params_t *histogram_params);
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void ogs_metrics_spec_free(ogs_metrics_spec_t *spec);
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typedef struct ogs_metrics_inst_s ogs_metrics_inst_t;
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ogs_metrics_inst_t *ogs_metrics_inst_new(
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ogs_metrics_spec_t *spec,
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unsigned int num_labels, const char **label_values);
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void ogs_metrics_inst_free(ogs_metrics_inst_t *inst);
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void ogs_metrics_inst_set(ogs_metrics_inst_t *inst, int val);
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void ogs_metrics_inst_reset(ogs_metrics_inst_t *inst);
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void ogs_metrics_inst_add(ogs_metrics_inst_t *inst, int val);
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static inline void ogs_metrics_inst_inc(ogs_metrics_inst_t *inst)
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{
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ogs_metrics_inst_add(inst, 1);
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}
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static inline void ogs_metrics_inst_dec(ogs_metrics_inst_t *inst)
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{
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ogs_metrics_inst_add(inst, -1);
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* OGS_METRICS_CONTEXT_H */
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