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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* Fluent Bit
* ==========
* Copyright (C) 2019-2020 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_info.h>
#include <fluent-bit/flb_mem.h>
#include <fluent-bit/flb_log.h>
#include <fluent-bit/flb_utils.h>
#include <fluent-bit/flb_http_server.h>
#include <monkey/mk_lib.h>
/* v1 */
#include "api/v1/register.h"
#include "api/v1/health.h"
/* v2 */
#include "api/v2/register.h"
static void cb_root(mk_request_t *request, void *data)
{
struct flb_hs *hs = data;
mk_http_status(request, 200);
flb_hs_add_content_type_to_req(request, FLB_HS_CONTENT_TYPE_JSON);
mk_http_send(request, hs->ep_root_buf, hs->ep_root_size, NULL);
mk_http_done(request);
}
/* Ingest health metrics into the web service context */
int flb_hs_push_health_metrics(struct flb_hs *hs, void *data, size_t size)
{
return mk_mq_send(hs->ctx, hs->qid_health, data, size);
}
/* Ingest pipeline metrics into the web service context */
int flb_hs_push_pipeline_metrics(struct flb_hs *hs, void *data, size_t size)
{
return mk_mq_send(hs->ctx, hs->qid_metrics, data, size);
}
/* Ingest pipeline metrics into the web service context */
int flb_hs_push_metrics(struct flb_hs *hs, void *data, size_t size)
{
return mk_mq_send(hs->ctx, hs->qid_metrics_v2, data, size);
}
/* Ingest storage metrics into the web service context */
int flb_hs_push_storage_metrics(struct flb_hs *hs, void *data, size_t size)
{
return mk_mq_send(hs->ctx, hs->qid_storage, data, size);
}
/* Create ROOT endpoints */
struct flb_hs *flb_hs_create(const char *listen, const char *tcp_port,
struct flb_config *config)
{
int vid;
char tmp[32];
struct flb_hs *hs;
hs = flb_calloc(1, sizeof(struct flb_hs));
if (!hs) {
flb_errno();
return NULL;
}
hs->config = config;
/* Setup endpoint specific data */
flb_hs_endpoints(hs);
/* Create HTTP server context */
hs->ctx = mk_create();
if (!hs->ctx) {
flb_error("[http_server] could not create context");
flb_free(hs);
return NULL;
}
/* Compose listen address */
snprintf(tmp, sizeof(tmp) -1, "%s:%s", listen, tcp_port);
mk_config_set(hs->ctx, "Listen", tmp, NULL);
vid = mk_vhost_create(hs->ctx, NULL);
hs->vid = vid;
/* Setup virtual host */
mk_vhost_set(hs->ctx, vid,
"Name", "fluent-bit",
NULL);
/* Register endpoints for /api/v1 */
api_v1_registration(hs);
/* Register endpoints for /api/v2 */
api_v2_registration(hs);
/* Root */
mk_vhost_handler(hs->ctx, vid, "/", cb_root, hs);
return hs;
}
int flb_hs_start(struct flb_hs *hs)
{
int ret;
struct flb_config *config = hs->config;
ret = mk_start(hs->ctx);
if (ret == 0) {
flb_info("[http_server] listen iface=%s tcp_port=%s",
config->http_listen, config->http_port);
}
return ret;
}
int flb_hs_destroy(struct flb_hs *hs)
{
if (!hs) {
return 0;
}
flb_hs_health_destroy();
mk_stop(hs->ctx);
mk_destroy(hs->ctx);
flb_hs_endpoints_free(hs);
flb_free(hs);
return 0;
}
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