main.c

   1 /*
   2  * Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org>
   3  * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU Lesser General Public License version 2.1
   7  * as published by the Free Software Foundation
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 #include <sys/wait.h>
  16 #include <sys/types.h>
  17
  18 #include <unistd.h>
  19 #include <getopt.h>
  20 #include <libgen.h>
  21
  22 #include "procd.h"
  23 #include "hotplug.h"
  24 #include "watchdog.h"
  25
  26 static int usage(const char *prog)
  27 {
  28         ERROR("Usage: %s [options]\n"
  29                 "Options:\n"
  30                 "    -s <path>:         Path to ubus socket\n"
  31                 "    -d:                Enable debug messages\n"
  32                 "\n", prog);
  33         return 1;
  34 }
  35
  36
  37 static int main_procd_init(int argc, char **argv)
  38 {
  39         procd_signal_preinit();
  40         procd_early();
  41         debug_init();
  42         watchdog_init();
  43         uloop_init();
  44         hotplug("/etc/hotplug-preinit.json");
  45         procd_preinit();
  46         uloop_run();
  47         return 0;
  48 }
  49
  50 int main(int argc, char **argv)
  51 {
  52         int ch;
  53
  54         if (!strcmp(basename(*argv), "init"))
  55                 return main_procd_init(argc, argv);
  56
  57         while ((ch = getopt(argc, argv, "ds:")) != -1) {
  58                 switch (ch) {
  59                 case 's':
  60                         ubus_socket = optarg;
  61                         break;
  62                 case 'd':
  63                         debug++;
  64                         break;
  65                 default:
  66                         return usage(argv[0]);
  67                 }
  68         }
  69         uloop_init();
  70         procd_signal();
  71         if (getpid() != 1)
  72                 procd_connect_ubus();
  73         else
  74                 procd_state_next();
  75         uloop_run();
  76
  77         return 0;
  78 }