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 #include <sys/stat.h>
  18
  19 #include <unistd.h>
  20 #include <getopt.h>
  21 #include <libgen.h>
  22
  23 #include "procd.h"
  24 #include "hotplug.h"
  25 #include "watchdog.h"
  26
  27 static int usage(const char *prog)
  28 {
  29         ERROR("Usage: %s [options]\n"
  30                 "Options:\n"
  31                 "    -s <path>:         Path to ubus socket\n"
  32                 "    -d:                Enable debug messages\n"
  33                 "\n", prog);
  34         return 1;
  35 }
  36
  37
  38 static int main_procd_init(int argc, char **argv)
  39 {
  40         procd_signal_preinit();
  41         procd_early();
  42         debug_init();
  43         watchdog_init(1);
  44         system("/sbin/kmodloader /etc/modules-boot.d/");
  45         uloop_init();
  46         hotplug("/etc/hotplug-preinit.json");
  47         procd_preinit();
  48         uloop_run();
  49         return 0;
  50 }
  51
  52 int main(int argc, char **argv)
  53 {
  54         int ch;
  55
  56         if (!strcmp(basename(*argv), "init"))
  57                 return main_procd_init(argc, argv);
  58
  59         while ((ch = getopt(argc, argv, "ds:")) != -1) {
  60                 switch (ch) {
  61                 case 's':
  62                         ubus_socket = optarg;
  63                         break;
  64                 case 'd':
  65                         debug++;
  66                         break;
  67                 default:
  68                         return usage(argv[0]);
  69                 }
  70         }
  71         uloop_init();
  72         procd_signal();
  73         trigger_init();
  74         if (getpid() != 1)
  75                 procd_connect_ubus();
  76         else
  77                 procd_state_next();
  78         uloop_run();
  79
  80         return 0;
  81 }