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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* Fluent Bit
* ==========
* Copyright (C) 2019-2021 The Fluent Bit Authors
* Copyright (C) 2015-2018 Treasure Data Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef FLB_METRIC_H
#define FLB_METRIC_H
#include <fluent-bit/flb_info.h>
#include <fluent-bit/flb_input_plugin.h>
#include <fluent-bit/flb_hash_table.h>
#include <fluent-bit/flb_metrics.h>
struct we_perflib_metric_spec {
int type;
char *name;
char *description;
char *raw_label_set;
char **label_set;
size_t label_set_size;
void *metric_instance;
};
struct we_perflib_metric_source {
struct we_perflib_metric_spec *parent;
char *parent_name;
char *name;
char *raw_label_set;
char **label_set;
size_t label_set_size;
};
#define WE_PERFLIB_SPEC(type_, name_, description_, raw_label_set_) \
{ \
.type = type_, \
.name = name_, \
.description = description_, \
.raw_label_set = raw_label_set_, \
.label_set = NULL, \
.label_set_size = 0, \
.metric_instance = NULL \
}
#define WE_PERFLIB_COUNTER_SPEC(name_, description_, raw_label_set_) \
WE_PERFLIB_SPEC(CMT_COUNTER, name_, description_, raw_label_set_)
#define WE_PERFLIB_GAUGE_SPEC(name_, description_, raw_label_set_) \
WE_PERFLIB_SPEC(CMT_GAUGE, name_, description_, raw_label_set_)
#define WE_PERFLIB_TERMINATOR_SPEC() \
WE_PERFLIB_SPEC(0, NULL, NULL, NULL)
#define WE_PERFLIB_METRIC_SOURCE(parent_name_, name_, raw_label_set_) \
{ \
.parent = NULL, \
.parent_name = parent_name_, \
.name = name_, \
.raw_label_set = raw_label_set_, \
.label_set = NULL, \
.label_set_size = 0 \
}
#define WE_PERFLIB_TERMINATOR_SOURCE() \
WE_PERFLIB_METRIC_SOURCE(NULL, NULL, NULL)
void we_deinitialize_perflib_metric_sources(struct we_perflib_metric_source *sources);
int we_initialize_perflib_metric_sources(
struct flb_hash *lookup_table,
struct we_perflib_metric_source **out_sources,
struct we_perflib_metric_source *in_sources);
void we_deinitialize_perflib_metric_specs(struct we_perflib_metric_spec *specs);
int we_initialize_perflib_metric_specs(
struct cmt *context,
struct flb_hash *lookup_table,
char *namespace,
char *subsystem,
struct we_perflib_metric_spec **out_specs,
struct we_perflib_metric_spec *in_specs);
#endif
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