]>
Commit | Line | Data |
---|---|---|
020d5900 TG |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2013 Tom Gundersen <teg@jklm.no> | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
22 | #include "sd-event.h" | |
e1528e08 | 23 | #include "event-util.h" |
020d5900 TG |
24 | #include "sd-daemon.h" |
25 | #include "sd-network.h" | |
e1528e08 | 26 | #include "network-util.h" |
020d5900 TG |
27 | |
28 | #include "util.h" | |
29 | ||
30 | static bool all_configured(void) { | |
31 | _cleanup_free_ unsigned *indices = NULL; | |
32 | bool one_ready = false; | |
33 | int r, n, i; | |
34 | ||
35 | n = sd_network_get_ifindices(&indices); | |
36 | if (n <= 0) | |
37 | return false; | |
38 | ||
39 | for (i = 0; i < n; i++) { | |
40 | _cleanup_free_ char *state = NULL; | |
41 | ||
42 | r = sd_network_get_link_state(indices[i], &state); | |
cb6fa44c TG |
43 | if (r == -EUNATCH) |
44 | continue; | |
45 | if (r < 0 || !streq(state, "configured")) | |
020d5900 TG |
46 | return false; |
47 | ||
cb6fa44c | 48 | one_ready = true; |
020d5900 TG |
49 | } |
50 | ||
cb6fa44c | 51 | return one_ready; |
020d5900 TG |
52 | } |
53 | ||
54 | static int event_handler(sd_event_source *s, int fd, uint32_t revents, | |
55 | void *userdata) { | |
56 | sd_event *event = userdata; | |
57 | ||
58 | assert(event); | |
59 | ||
60 | if (all_configured()) | |
61 | sd_event_exit(event, 0); | |
62 | ||
63 | return 1; | |
64 | } | |
65 | ||
66 | int main(int argc, char *argv[]) { | |
e1528e08 TA |
67 | _cleanup_event_unref_ sd_event *event = NULL; |
68 | _cleanup_event_source_unref_ sd_event_source *event_source = NULL; | |
69 | _cleanup_network_monitor_unref_ sd_network_monitor *monitor = NULL; | |
020d5900 TG |
70 | int r, fd, events; |
71 | ||
72 | log_set_target(LOG_TARGET_AUTO); | |
73 | log_parse_environment(); | |
74 | log_open(); | |
75 | ||
76 | umask(0022); | |
77 | ||
78 | if (argc != 1) { | |
79 | log_error("This program takes no arguments."); | |
80 | r = -EINVAL; | |
81 | goto out; | |
82 | } | |
83 | ||
84 | r = sd_network_monitor_new(NULL, &monitor); | |
85 | if (r < 0) { | |
86 | log_error("Could not create monitor: %s", strerror(-r)); | |
87 | goto out; | |
88 | } | |
89 | ||
90 | r = sd_event_new(&event); | |
91 | if (r < 0) { | |
92 | log_error("Could not create event: %s", strerror(-r)); | |
93 | goto out; | |
94 | } | |
95 | ||
96 | fd = sd_network_monitor_get_fd(monitor); | |
97 | if (fd < 0) { | |
98 | log_error("Could not get monitor fd: %s", strerror(-r)); | |
99 | goto out; | |
100 | } | |
101 | ||
102 | events = sd_network_monitor_get_events(monitor); | |
103 | if (events < 0) { | |
104 | log_error("Could not get monitor events: %s", strerror(-r)); | |
105 | goto out; | |
106 | } | |
107 | ||
108 | r = sd_event_add_io(event, &event_source, fd, events, &event_handler, | |
109 | event); | |
110 | if (r < 0) { | |
111 | log_error("Could not add io event source: %s", strerror(-r)); | |
112 | goto out; | |
113 | } | |
114 | ||
115 | if (all_configured()) { | |
116 | r = 0; | |
117 | goto out; | |
118 | } | |
119 | ||
120 | sd_notify(false, | |
121 | "READY=1\n" | |
122 | "STATUS=Waiting for network connecitons..."); | |
123 | ||
124 | r = sd_event_loop(event); | |
125 | if (r < 0) { | |
126 | log_error("Event loop failed: %s", strerror(-r)); | |
127 | goto out; | |
128 | } | |
129 | ||
130 | out: | |
131 | sd_notify(false, | |
132 | "STATUS=All interfaces configured..."); | |
133 | ||
020d5900 TG |
134 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; |
135 | } |