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0798d276 DL |
1 | /* |
2 | * Copyright (c) 2019-22 David Lamparter, for NetDEF, Inc. | |
3 | * | |
4 | * Permission to use, copy, modify, and distribute this software for any | |
5 | * purpose with or without fee is hereby granted, provided that the above | |
6 | * copyright notice and this permission notice appear in all copies. | |
7 | * | |
8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
15 | */ | |
16 | ||
17 | #ifndef _FRR_ZLOG_LIVE_H | |
18 | #define _FRR_ZLOG_LIVE_H | |
19 | ||
20 | #include "printfrr.h" | |
21 | ||
22 | struct zlog_live_hdr { | |
834585bd | 23 | /* timestamp (CLOCK_REALTIME) */ |
0798d276 DL |
24 | uint64_t ts_sec; |
25 | uint32_t ts_nsec; | |
834585bd DL |
26 | |
27 | /* length of zlog_live_hdr, including variable length bits and | |
28 | * possible future extensions - aka start of text | |
29 | */ | |
30 | uint32_t hdrlen; | |
31 | ||
32 | /* process & thread ID, meaning depends on OS */ | |
33 | int64_t pid; | |
34 | int64_t tid; | |
35 | ||
a4af82ee DL |
36 | /* number of lost messages due to best-effort non-blocking mode */ |
37 | uint32_t lost_msgs; | |
834585bd | 38 | /* syslog priority value */ |
0798d276 | 39 | uint32_t prio; |
834585bd | 40 | /* flags: currently unused */ |
0798d276 | 41 | uint32_t flags; |
834585bd DL |
42 | /* length of message text - extra data (e.g. future key/value metadata) |
43 | * may follow after it | |
44 | */ | |
0798d276 | 45 | uint32_t textlen; |
834585bd DL |
46 | /* length of "[XXXXX-XXXXX][EC 0] " header; consumer may want to skip |
47 | * over it if using the raw values below. Note that this text may be | |
48 | * absent depending on "log error-category" and "log unique-id" | |
49 | * settings | |
50 | */ | |
51 | uint32_t texthdrlen; | |
52 | ||
53 | /* xref unique identifier, "XXXXX-XXXXX\0" = 12 bytes */ | |
54 | char uid[12]; | |
55 | /* EC value */ | |
56 | uint32_t ec; | |
0798d276 | 57 | |
834585bd | 58 | /* recorded printf formatting argument positions (variable length) */ |
0798d276 DL |
59 | uint32_t n_argpos; |
60 | struct fmt_outpos argpos[0]; | |
61 | }; | |
62 | ||
63 | struct zlt_live; | |
64 | ||
65 | struct zlog_live_cfg { | |
66 | struct zlt_live *target; | |
67 | ||
68 | /* nothing else here */ | |
69 | }; | |
70 | ||
71 | extern void zlog_live_open(struct zlog_live_cfg *cfg, int prio_min, | |
72 | int *other_fd); | |
3bcdae10 | 73 | extern void zlog_live_open_fd(struct zlog_live_cfg *cfg, int prio_min, int fd); |
0798d276 DL |
74 | |
75 | static inline bool zlog_live_is_null(struct zlog_live_cfg *cfg) | |
76 | { | |
77 | return cfg->target == NULL; | |
78 | } | |
79 | ||
80 | extern void zlog_live_close(struct zlog_live_cfg *cfg); | |
81 | extern void zlog_live_disown(struct zlog_live_cfg *cfg); | |
82 | ||
83 | #endif /* _FRR_ZLOG_5424_H */ |