]>
Commit | Line | Data |
---|---|---|
ddd82ff6 DS |
1 | /* lib/systemd Code |
2 | Copyright (C) 2016 Cumulus Networks, Inc. | |
3 | Donald Sharp | |
4 | ||
5 | This file is part of Quagga. | |
6 | ||
7 | Quagga is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU General Public License as published by the | |
9 | Free Software Foundation; either version 2, or (at your option) any | |
10 | later version. | |
11 | ||
12 | Quagga is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with Quagga; see the file COPYING. If not, write to the Free | |
19 | Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
20 | 02111-1307, USA. */ | |
21 | ||
22 | #include <zebra.h> | |
23 | ||
24 | #include "thread.h" | |
25 | #include "systemd.h" | |
26 | ||
27 | #if defined HAVE_SYSTEMD | |
28 | #include <systemd/sd-daemon.h> | |
29 | #endif | |
30 | ||
31 | /* | |
32 | * Wrapper this silliness if we | |
33 | * don't have systemd | |
34 | */ | |
35 | void | |
36 | systemd_send_information (const char *info) | |
37 | { | |
38 | #if defined HAVE_SYSTEMD | |
39 | sd_notify (0, info); | |
40 | #else | |
41 | return; | |
42 | #endif | |
43 | } | |
44 | ||
45 | /* | |
46 | * A return of 0 means that we are not watchdoged | |
47 | */ | |
48 | static int | |
49 | systemd_get_watchdog_time (void) | |
50 | { | |
51 | #if defined HAVE_SYSTEMD | |
52 | uint64_t usec; | |
53 | int ret; | |
54 | ||
55 | ret = sd_watchdog_enabled (0, &usec); | |
56 | ||
57 | /* | |
58 | * If return is 0 -> we don't want watchdog | |
59 | * if return is < 0, some sort of failure occurred | |
60 | */ | |
61 | if (ret <= 0) | |
62 | return 0; | |
63 | ||
64 | return (usec / 1000000)/ 3; | |
65 | #else | |
66 | return 0; | |
67 | #endif | |
68 | } | |
69 | ||
70 | void | |
71 | systemd_send_stopping (void) | |
72 | { | |
73 | systemd_send_information ("STOPPING=1"); | |
74 | } | |
75 | ||
76 | /* | |
77 | * How many seconds should we wait between watchdog sends | |
78 | */ | |
79 | int wsecs = 0; | |
80 | struct thread_master *systemd_master = NULL; | |
81 | ||
82 | static int | |
83 | systemd_send_watchdog (struct thread *t) | |
84 | { | |
85 | systemd_send_information ("WATCHDOG=1"); | |
86 | ||
87 | thread_add_timer (systemd_master, systemd_send_watchdog, NULL, wsecs); | |
88 | ||
89 | return 1; | |
90 | } | |
91 | ||
92 | void | |
93 | systemd_send_started (struct thread_master *m) | |
94 | { | |
95 | assert (m != NULL); | |
96 | ||
97 | wsecs = systemd_get_watchdog_time(); | |
98 | systemd_master = m; | |
99 | ||
100 | systemd_send_information ("READY=1"); | |
101 | if (wsecs != 0) | |
102 | thread_add_timer (m, systemd_send_watchdog, m, wsecs); | |
103 | } |