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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_WE_PERFLIB_H
#define FLB_WE_PERFLIB_H
#include "we.h"
#include "we_metric.h"
#define WE_PERFLIB_REGISTRY_PATH \
"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Perflib"
#define WE_PERFLIB_STRING_COUNT_KEY "Last Help"
#define WE_PERFLIB_COUNTER_KEY_NAME "Counter 009"
#define WE_PERFLIB_METRIC_LABEL_LIST_SIZE 64
#define WE_PERFLIB_QUERY_BUFFER_INITIAL_SIZE (32 * 1024)
#define WE_PERFLIB_QUERY_BUFFER_INCREMENT_SIZE (16 * 1024)
#define WE_PERFLIB_WINDOWS_EPOCH ((double) 1 / 1e7)
#define WE_PERFLIB_TICKS_TO_SECONDS_SCALE_FACTOR ((double) 116444736000000000)
typedef int (*we_perflib_instance_filter)(char *, struct flb_we *);
typedef int (*we_perflib_label_prepend_hook)(char **,
size_t,
size_t *,
struct we_perflib_metric_source *,
char *,
struct we_perflib_counter *);
int we_perflib_init(struct flb_we *ctx);
int we_perflib_exit(struct flb_we *ctx);
int we_perflib_query(struct flb_we *ctx,
char *counter_name,
struct we_perflib_object **out_object);
struct we_perflib_counter *we_perflib_get_counter(struct we_perflib_object *object,
char *instance_name,
char *counter_name);
void we_perflib_destroy_object(struct we_perflib_object *object);
char *we_perflib_get_counter_type_as_text(uint32_t counter_Type);
int we_perflib_update_counters(struct flb_we *ctx,
char *query,
struct we_perflib_metric_source *metric_sources,
we_perflib_instance_filter filter_hook,
we_perflib_label_prepend_hook label_prepend_hook);
double we_perflib_get_adjusted_counter_value(struct we_perflib_counter *counter);
#endif
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