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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_info.h>
#include <fluent-bit/flb_pack.h>
#include <fluent-bit/flb_input.h>
#include <fluent-bit/flb_filter.h>
#include <fluent-bit/flb_output.h>
#include <fluent-bit/flb_sds.h>
#include <fluent-bit/flb_http_server.h>
#include <msgpack.h>
/* API: List all built-in plugins */
static void cb_plugins(mk_request_t *request, void *data)
{
int len;
flb_sds_t out_buf;
msgpack_packer mp_pck;
msgpack_sbuffer mp_sbuf;
struct mk_list *head;
struct flb_input_plugin *in;
struct flb_filter_plugin *filter;
struct flb_output_plugin *out;
struct flb_hs *hs = data;
struct flb_config *config = hs->config;
/* initialize buffers */
msgpack_sbuffer_init(&mp_sbuf);
msgpack_packer_init(&mp_pck, &mp_sbuf, msgpack_sbuffer_write);
msgpack_pack_map(&mp_pck, 1);
msgpack_pack_str(&mp_pck, 7);
msgpack_pack_str_body(&mp_pck, "plugins", 7);
/*
* plugins are: inputs, filters, outputs
*/
msgpack_pack_map(&mp_pck, 3);
/* Inputs */
msgpack_pack_str(&mp_pck, 6);
msgpack_pack_str_body(&mp_pck, "inputs", 6);
len = mk_list_size(&config->in_plugins);
msgpack_pack_array(&mp_pck, len);
mk_list_foreach(head, &hs->config->in_plugins) {
in = mk_list_entry(head, struct flb_input_plugin, _head);
len = strlen(in->name);
msgpack_pack_str(&mp_pck, len);
msgpack_pack_str_body(&mp_pck, in->name, len);
}
/* Filters */
msgpack_pack_str(&mp_pck, 7);
msgpack_pack_str_body(&mp_pck, "filters", 7);
len = mk_list_size(&config->filter_plugins);
msgpack_pack_array(&mp_pck, len);
mk_list_foreach(head, &config->filter_plugins) {
filter = mk_list_entry(head, struct flb_filter_plugin, _head);
len = strlen(filter->name);
msgpack_pack_str(&mp_pck, len);
msgpack_pack_str_body(&mp_pck, filter->name, len);
}
/* Outputs */
msgpack_pack_str(&mp_pck, 7);
msgpack_pack_str_body(&mp_pck, "outputs", 7);
len = mk_list_size(&config->out_plugins);
msgpack_pack_array(&mp_pck, len);
mk_list_foreach(head, &config->out_plugins) {
out = mk_list_entry(head, struct flb_output_plugin, _head);
len = strlen(out->name);
msgpack_pack_str(&mp_pck, len);
msgpack_pack_str_body(&mp_pck, out->name, len);
}
/* Export to JSON */
out_buf = flb_msgpack_raw_to_json_sds(mp_sbuf.data, mp_sbuf.size);
msgpack_sbuffer_destroy(&mp_sbuf);
mk_http_status(request, 200);
mk_http_send(request,
out_buf, flb_sds_len(out_buf), NULL);
mk_http_done(request);
flb_sds_destroy(out_buf);
}
/* Perform registration */
int api_v1_plugins(struct flb_hs *hs)
{
mk_vhost_handler(hs->ctx, hs->vid, "/api/v1/plugins", cb_plugins, hs);
return 0;
}
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