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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_input_plugin.h>
#include <fluent-bit/flb_utils.h>
#include "docker_events.h"
#include "docker_events_config.h"
/**
* Function to initialize docker_events plugin.
*
* @param ins Pointer to flb_input_instance
* @param config Pointer to flb_config
*
* @return struct flb_in_de_config* Pointer to the plugin's
* structure on success, NULL on failure.
*/
struct flb_in_de_config *de_config_init(struct flb_input_instance *ins,
struct flb_config *config)
{
int ret;
const char *tmp;
struct flb_in_de_config *ctx;
ctx = flb_calloc(1, sizeof(struct flb_in_de_config));
if (!ctx) {
flb_errno();
return NULL;
}
ctx->ins = ins;
/* Load the config map */
ret = flb_input_config_map_set(ins, (void *) ctx);
if (ret == -1) {
flb_free(ctx);
return NULL;
}
/* Allocate buffer for events */
ctx->buf = flb_malloc(ctx->buf_size);
if (!ctx->buf) {
flb_errno();
flb_free(ctx);
return NULL;
}
tmp = flb_input_get_property("parser", ins);
if (tmp) {
ctx->parser = flb_parser_get(tmp, config);
if (ctx->parser == NULL) {
flb_plg_error(ctx->ins, "requested parser '%s' not found", tmp);
flb_free(ctx->buf);
flb_free(ctx);
return NULL;
}
}
ret = flb_log_event_encoder_init(&ctx->log_encoder,
FLB_LOG_EVENT_FORMAT_DEFAULT);
if (ret != FLB_EVENT_ENCODER_SUCCESS) {
flb_plg_error(ctx->ins, "error initializing event encoder : %d", ret);
de_config_destroy(ctx);
ctx = NULL;
}
return ctx;
}
/**
* Function to destroy docker_events plugin.
*
* @param ctx Pointer to flb_in_de_config
*
* @return int 0
*/
int de_config_destroy(struct flb_in_de_config *ctx)
{
if (ctx->buf) {
flb_free(ctx->buf);
}
flb_log_event_encoder_destroy(&ctx->log_encoder);
flb_free(ctx);
return 0;
}
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