main.c

   1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
   2
   3 /***
   4   This file is part of systemd.
   5
   6   Copyright 2010 Lennart Poettering
   7
   8   systemd is free software; you can redistribute it and/or modify it
   9   under the terms of the GNU General Public License as published by
  10   the Free Software Foundation; either version 2 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   General Public License for more details.
  17
  18   You should have received a copy of the GNU General Public License
  19   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  20 ***/
  21
  22 #include <dbus/dbus.h>
  23
  24 #include <stdio.h>
  25 #include <errno.h>
  26 #include <string.h>
  27 #include <unistd.h>
  28
  29 #include "manager.h"
  30 #include "log.h"
  31
  32 int main(int argc, char *argv[]) {
  33         Manager *m = NULL;
  34         Unit *target = NULL;
  35         Job *job = NULL;
  36         int r, retval = 1;
  37
  38         if ((r = manager_new(&m)) < 0) {
  39                 log_error("Failed to allocate manager object: %s", strerror(-r));
  40                 goto finish;
  41         }
  42
  43         if ((r = manager_coldplug(m)) < 0) {
  44                 log_error("Failed to retrieve coldplug information: %s", strerror(-r));
  45                 goto finish;
  46         }
  47
  48         if ((r = manager_load_unit(m, SPECIAL_DEFAULT_TARGET, &target)) < 0) {
  49                 log_error("Failed to load default target: %s", strerror(-r));
  50                 goto finish;
  51         }
  52
  53         printf("→ By units:\n");
  54         manager_dump_units(m, stdout, "\t");
  55
  56         if ((r = manager_add_job(m, JOB_START, target, JOB_REPLACE, false, &job)) < 0) {
  57                 log_error("Failed to start default target: %s", strerror(-r));
  58                 goto finish;
  59         }
  60
  61         printf("→ By jobs:\n");
  62         manager_dump_jobs(m, stdout, "\t");
  63
  64         if ((r = manager_loop(m)) < 0) {
  65                 log_error("Failed to run mainloop: %s", strerror(-r));
  66                 goto finish;
  67         }
  68
  69         retval = 0;
  70
  71 finish:
  72         if (m)
  73                 manager_free(m);
  74
  75         log_debug("Exit.");
  76
  77         dbus_shutdown();
  78
  79         return retval;
  80 }