1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
/* -*- 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_pack.h>
#include <fluent-bit/flb_utils.h>
#include <fluent-bit/flb_version.h>
#include <fluent-bit/flb_http_server.h>
#include <msgpack.h>
/* Create a JSON buffer with informational data about the running service */
static int endpoint_root(struct flb_hs *hs)
{
int c;
flb_sds_t out_buf;
msgpack_packer mp_pck;
msgpack_sbuffer mp_sbuf;
struct mk_list *head;
struct mk_list *list;
struct flb_split_entry *entry;
/* 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, 10);
msgpack_pack_str_body(&mp_pck, "fluent-bit", 10);
/* entries under fluent-bit parent:
*
* - version
* - edition
* - built flags
*/
msgpack_pack_map(&mp_pck, 3);
/* fluent-bit['version'] */
msgpack_pack_str(&mp_pck, 7);
msgpack_pack_str_body(&mp_pck, "version", 7);
msgpack_pack_str(&mp_pck, sizeof(FLB_VERSION_STR) - 1);
msgpack_pack_str_body(&mp_pck, FLB_VERSION_STR, sizeof(FLB_VERSION_STR) - 1);
/* fluent-bit['edition'] */
msgpack_pack_str(&mp_pck, 7);
msgpack_pack_str_body(&mp_pck, "edition", 7);
#ifdef FLB_ENTERPRISE
msgpack_pack_str(&mp_pck, 10);
msgpack_pack_str_body(&mp_pck, "Enterprise", 10);
#else
msgpack_pack_str(&mp_pck, 9);
msgpack_pack_str_body(&mp_pck, "Community", 9);
#endif
/* fluent-bit['flags'] */
msgpack_pack_str(&mp_pck, 5);
msgpack_pack_str_body(&mp_pck, "flags", 5);
c = 0;
list = flb_utils_split(FLB_INFO_FLAGS, ' ', -1);
mk_list_foreach(head, list) {
entry = mk_list_entry(head, struct flb_split_entry, _head);
if (strncmp(entry->value, "FLB_", 4) == 0) {
c++;
}
}
msgpack_pack_array(&mp_pck, c);
mk_list_foreach(head, list) {
entry = mk_list_entry(head, struct flb_split_entry, _head);
if (strncmp(entry->value, "FLB_", 4) == 0) {
msgpack_pack_str(&mp_pck, entry->len);
msgpack_pack_str_body(&mp_pck, entry->value, entry->len);
}
}
flb_utils_split_free(list);
/* export as JSON */
out_buf = flb_msgpack_raw_to_json_sds(mp_sbuf.data, mp_sbuf.size);
msgpack_sbuffer_destroy(&mp_sbuf);
if (out_buf) {
hs->ep_root_buf = out_buf;
hs->ep_root_size = flb_sds_len(out_buf);
}
return -1;
}
int flb_hs_endpoints(struct flb_hs *hs)
{
endpoint_root(hs);
return 0;
}
/* Release cached data from endpoints */
int flb_hs_endpoints_free(struct flb_hs *hs)
{
if (hs->ep_root_buf) {
flb_sds_destroy(hs->ep_root_buf);
}
return 0;
}
|
