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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* Fluent Bit
* ==========
* Copyright (C) 2015-2022 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.
*/
#include <fluent-bit/flb_output_plugin.h>
#include <fluent-bit/flb_time.h>
#include <fluent-bit/flb_mp.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
struct flb_counter_ctx {
uint64_t total;
};
static int cb_counter_init(struct flb_output_instance *ins,
struct flb_config *config,
void *data)
{
(void) ins;
(void) config;
(void) data;
struct flb_counter_ctx *ctx;
ctx = flb_malloc(sizeof(struct flb_counter_ctx));
if (!ctx) {
flb_errno();
return -1;
}
ctx->total = 0;
flb_output_set_context(ins, ctx);
if (flb_output_config_map_set(ins, (void *)ctx) == -1) {
flb_plg_error(ins, "unable to load configuration");
flb_free(ctx);
return -1;
}
return 0;
}
static void cb_counter_flush(struct flb_event_chunk *event_chunk,
struct flb_output_flush *out_flush,
struct flb_input_instance *i_ins,
void *out_context,
struct flb_config *config)
{
(void) i_ins;
(void) out_context;
(void) config;
size_t cnt;
struct flb_counter_ctx *ctx = out_context;
struct flb_time tm;
/* Count number of parent items */
cnt = flb_mp_count(event_chunk->data, event_chunk->size);
ctx->total += cnt;
flb_time_get(&tm);
printf("%f,%lu (total = %"PRIu64")\n", flb_time_to_double(&tm), cnt,
ctx->total);
FLB_OUTPUT_RETURN(FLB_OK);
}
static int cb_counter_exit(void *data, struct flb_config *config)
{
struct flb_counter_ctx *ctx = data;
if (!ctx) {
return 0;
}
flb_free(ctx);
return 0;
}
static struct flb_config_map config_map[] = {
/* EOF */
{0}
};
struct flb_output_plugin out_counter_plugin = {
.name = "counter",
.description = "Records counter",
.cb_init = cb_counter_init,
.cb_flush = cb_counter_flush,
.cb_exit = cb_counter_exit,
.config_map = config_map,
.flags = 0,
};
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