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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_downstream.h>
#include "opentelemetry.h"
#include "http_conn.h"
/* default HTTP port for OTLP/HTTP is 4318 */
#define OTLP_HTTP_PORT 4318
struct flb_opentelemetry *opentelemetry_config_create(struct flb_input_instance *ins)
{
int ret;
char port[8];
struct flb_opentelemetry *ctx;
ctx = flb_calloc(1, sizeof(struct flb_opentelemetry));
if (!ctx) {
flb_errno();
return NULL;
}
ctx->ins = ins;
mk_list_init(&ctx->connections);
/* Load the config map */
ret = flb_input_config_map_set(ins, (void *) ctx);
if (ret == -1) {
flb_free(ctx);
return NULL;
}
/* Listen interface (if not set, defaults to 0.0.0.0:4318) */
flb_input_net_default_listener("0.0.0.0", OTLP_HTTP_PORT, ins);
ctx->listen = flb_strdup(ins->host.listen);
snprintf(port, sizeof(port) - 1, "%d", ins->host.port);
ctx->tcp_port = flb_strdup(port);
/* HTTP Server specifics */
ctx->server = flb_calloc(1, sizeof(struct mk_server));
ctx->server->keep_alive = MK_TRUE;
/* monkey detects server->workers == 0 as the server not being initialized at the
* moment so we want to make sure that it stays that way!
*/
return ctx;
}
int opentelemetry_config_destroy(struct flb_opentelemetry *ctx)
{
/* release all connections */
opentelemetry_conn_release_all(ctx);
if (ctx->collector_id != -1) {
flb_input_collector_delete(ctx->collector_id, ctx->ins);
ctx->collector_id = -1;
}
if (ctx->downstream != NULL) {
flb_downstream_destroy(ctx->downstream);
}
if (ctx->server) {
flb_free(ctx->server);
}
flb_free(ctx->listen);
flb_free(ctx->tcp_port);
flb_free(ctx);
return 0;
}
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