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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 "http.h"
#include "http_config.h"
#include "http_conn.h"
#include "http_config.h"
struct flb_http *http_config_create(struct flb_input_instance *ins)
{
struct mk_list *header_iterator;
struct flb_slist_entry *header_value;
struct flb_slist_entry *header_name;
struct flb_config_map_val *header_pair;
char port[8];
int ret;
struct flb_http *ctx;
ctx = flb_calloc(1, sizeof(struct flb_http));
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 0.0.0.0:9880) */
flb_input_net_default_listener("0.0.0.0", 9880, 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!
*/
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);
http_config_destroy(ctx);
return NULL;
}
ctx->success_headers_str = flb_sds_create_size(1);
if (ctx->success_headers_str == NULL) {
http_config_destroy(ctx);
return NULL;
}
flb_config_map_foreach(header_iterator, header_pair, ctx->success_headers) {
header_name = mk_list_entry_first(header_pair->val.list,
struct flb_slist_entry,
_head);
header_value = mk_list_entry_last(header_pair->val.list,
struct flb_slist_entry,
_head);
ret = flb_sds_cat_safe(&ctx->success_headers_str,
header_name->str,
flb_sds_len(header_name->str));
if (ret == 0) {
ret = flb_sds_cat_safe(&ctx->success_headers_str,
": ",
2);
}
if (ret == 0) {
ret = flb_sds_cat_safe(&ctx->success_headers_str,
header_value->str,
flb_sds_len(header_value->str));
}
if (ret == 0) {
ret = flb_sds_cat_safe(&ctx->success_headers_str,
"\r\n",
2);
}
if (ret != 0) {
http_config_destroy(ctx);
return NULL;
}
}
return ctx;
}
int http_config_destroy(struct flb_http *ctx)
{
/* release all connections */
http_conn_release_all(ctx);
flb_log_event_encoder_destroy(&ctx->log_encoder);
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);
}
if (ctx->success_headers_str != NULL) {
flb_sds_destroy(ctx->success_headers_str);
}
flb_free(ctx->listen);
flb_free(ctx->tcp_port);
flb_free(ctx);
return 0;
}
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