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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 <stdio.h>
#include <fluent-bit/flb_filter.h>
#include <fluent-bit/flb_filter_plugin.h>
#include <fluent-bit/flb_utils.h>
#include <fluent-bit/flb_time.h>
#include <fluent-bit/flb_log_event_decoder.h>
#include <fluent-bit/flb_log_event_encoder.h>
#include <msgpack.h>
static int cb_stdout_init(struct flb_filter_instance *f_ins,
struct flb_config *config,
void *data)
{
(void) f_ins;
(void) config;
(void) data;
if (flb_filter_config_map_set(f_ins, (void *)config) == -1) {
flb_plg_error(f_ins, "unable to load configuration");
return -1;
}
return 0;
}
static int cb_stdout_filter(const void *data, size_t bytes,
const char *tag, int tag_len,
void **out_buf, size_t *out_bytes,
struct flb_filter_instance *f_ins,
struct flb_input_instance *i_ins,
void *filter_context,
struct flb_config *config)
{
struct flb_log_event_decoder log_decoder;
struct flb_log_event log_event;
size_t cnt;
int ret;
(void) out_buf;
(void) out_bytes;
(void) f_ins;
(void) i_ins;
(void) filter_context;
(void) config;
ret = flb_log_event_decoder_init(&log_decoder, (char *) data, bytes);
if (ret != FLB_EVENT_DECODER_SUCCESS) {
flb_plg_error(f_ins,
"Log event decoder initialization error : %d", ret);
return FLB_FILTER_NOTOUCH;
}
cnt = 0;
while ((ret = flb_log_event_decoder_next(
&log_decoder,
&log_event)) == FLB_EVENT_DECODER_SUCCESS) {
printf("[%zd] %s: [", cnt++, tag);
printf("%"PRIu32".%09lu, ",
(uint32_t) log_event.timestamp.tm.tv_sec,
log_event.timestamp.tm.tv_nsec);
msgpack_object_print(stdout, *log_event.metadata);
printf(", ");
msgpack_object_print(stdout, *log_event.body);
printf("]\n");
}
flb_log_event_decoder_destroy(&log_decoder);
return FLB_FILTER_NOTOUCH;
}
static struct flb_config_map config_map[] = {
/* EOF */
{0}
};
struct flb_filter_plugin filter_stdout_plugin = {
.name = "stdout",
.description = "Filter events to STDOUT",
.cb_init = cb_stdout_init,
.cb_filter = cb_stdout_filter,
.cb_exit = NULL,
.config_map = config_map,
.flags = 0
};
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