procd.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 "watchdog.h"
  25 #include "plug/hotplug.h"
  26
  27 unsigned int debug;
  28
  29 static int usage(const char *prog)
  30 {
  31         ERROR("Usage: %s [options]\n"
  32                 "Options:\n"
  33                 "\t-s <path>\tPath to ubus socket\n"
  34                 "\t-h <path>\trun as hotplug daemon\n"
  35                 "\t-d <level>\tEnable debug messages\n"
  36                 "\n", prog);
  37         return 1;
  38 }
  39
  40 int main(int argc, char **argv)
  41 {
  42         int ch;
  43
  44         while ((ch = getopt(argc, argv, "d:s:h:")) != -1) {
  45                 switch (ch) {
  46                 case 'h':
  47                         return hotplug_run(optarg);
  48                 case 's':
  49                         ubus_socket = optarg;
  50                         break;
  51                 case 'd':
  52                         debug = atoi(optarg);
  53                         break;
  54                 default:
  55                         return usage(argv[0]);
  56                 }
  57         }
  58         uloop_init();
  59         procd_signal();
  60         trigger_init();
  61         if (getpid() != 1)
  62                 procd_connect_ubus();
  63         else
  64                 procd_state_next();
  65         uloop_run();
  66
  67         return 0;
  68 }