3 This file is part of systemd.
5 Copyright 2013 Tom Gundersen <teg@jklm.no>
7 systemd is free software; you can redistribute it and/or modify it
8 under the terms of the GNU Lesser General Public License as published by
9 the Free Software Foundation; either version 2.1 of the License, or
10 (at your option) any later version.
12 systemd 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 Lesser General Public License for more details.
17 You should have received a copy of the GNU Lesser General Public License
18 along with systemd; If not, see <http://www.gnu.org/licenses/>.
23 #include "sd-daemon.h"
25 #include "networkd-wait-online.h"
26 #include "signal-util.h"
29 static bool arg_quiet
= false;
30 static usec_t arg_timeout
= 120 * USEC_PER_SEC
;
31 static char **arg_interfaces
= NULL
;
32 static char **arg_ignore
= NULL
;
34 static void help(void) {
35 printf("%s [OPTIONS...]\n\n"
36 "Block until network is configured.\n\n"
37 " -h --help Show this help\n"
38 " --version Print version string\n"
39 " -q --quiet Do not show status information\n"
40 " -i --interface=INTERFACE Block until at least these interfaces have appeared\n"
41 " --ignore=INTERFACE Don't take these interfaces into account\n"
42 " --timeout=SECS Maximum time to wait for network connectivity\n"
43 , program_invocation_short_name
);
46 static int parse_argv(int argc
, char *argv
[]) {
54 static const struct option options
[] = {
55 { "help", no_argument
, NULL
, 'h' },
56 { "version", no_argument
, NULL
, ARG_VERSION
},
57 { "quiet", no_argument
, NULL
, 'q' },
58 { "interface", required_argument
, NULL
, 'i' },
59 { "ignore", required_argument
, NULL
, ARG_IGNORE
},
60 { "timeout", required_argument
, NULL
, ARG_TIMEOUT
},
69 while ((c
= getopt_long(argc
, argv
, "+hi:q", options
, NULL
)) >= 0)
85 if (strv_extend(&arg_interfaces
, optarg
) < 0)
91 if (strv_extend(&arg_ignore
, optarg
) < 0)
97 r
= parse_sec(optarg
, &arg_timeout
);
107 assert_not_reached("Unhandled option");
113 int main(int argc
, char *argv
[]) {
114 _cleanup_(manager_freep
) Manager
*m
= NULL
;
117 log_set_target(LOG_TARGET_AUTO
);
118 log_parse_environment();
123 r
= parse_argv(argc
, argv
);
128 log_set_max_level(LOG_WARNING
);
130 assert_se(sigprocmask_many(SIG_BLOCK
, NULL
, SIGTERM
, SIGINT
, -1) >= 0);
132 r
= manager_new(&m
, arg_interfaces
, arg_ignore
, arg_timeout
);
134 log_error_errno(r
, "Could not create manager: %m");
138 if (manager_all_configured(m
)) {
145 "STATUS=Waiting for network connections...");
147 r
= sd_event_loop(m
->event
);
149 log_error_errno(r
, "Event loop failed: %m");
154 strv_free(arg_interfaces
);
155 strv_free(arg_ignore
);
158 sd_notify(false, "STATUS=All interfaces configured...");
162 sd_notify(false, "STATUS=Failed waiting for network connectivity...");