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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* Fluent Bit
* ==========
* Copyright (C) 2015-2023 The Fluent Bit Authors
*
* 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_FILTER_LOG_TO_METRICS_H
#define FLB_FILTER_LOG_TO_METRICS_H
#include <fluent-bit/flb_info.h>
#include <fluent-bit/flb_filter.h>
#include <fluent-bit/flb_sds.h>
#include <fluent-bit/flb_record_accessor.h>
/* rule types */
#define GREP_REGEX 1
#define GREP_EXCLUDE 2
/* actions */
#define GREP_RET_KEEP 0
#define GREP_RET_EXCLUDE 1
/* modes */
#define FLB_LOG_TO_METRICS_COUNTER_STR "counter"
#define FLB_LOG_TO_METRICS_GAUGE_STR "gauge"
#define FLB_LOG_TO_METRICS_HISTOGRAM_STR "histogram"
#define FLB_LOG_TO_METRICS_COUNTER 0
#define FLB_LOG_TO_METRICS_GAUGE 1
#define FLB_LOG_TO_METRICS_HISTOGRAM 2
#define NUMBER_OF_KUBERNETES_LABELS 5
#define MAX_LABEL_LENGTH 253
#define MAX_METRIC_LENGTH 253
#define MAX_LABEL_COUNT 32
struct log_to_metrics_ctx
{
struct mk_list rules;
struct flb_filter_instance *ins;
int mode;
flb_sds_t metric_name;
flb_sds_t metric_description;
struct cmt *cmt;
struct flb_input_instance *input_ins;
flb_sds_t value_field;
struct cmt_counter *c;
struct cmt_gauge *g;
struct cmt_histogram *h;
struct cmt_histogram_buckets *histogram_buckets;
char **label_accessors;
char **label_keys;
int *label_counter;
bool kubernetes_mode;
flb_sds_t tag;
int *bucket_counter;
double *buckets;
};
struct grep_rule
{
int type;
flb_sds_t field;
char *regex_pattern;
struct flb_regex *regex;
struct flb_record_accessor *ra;
struct mk_list _head;
};
#endif
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