gio/tests/gdbus-example-own-name.c

   1 #include <gio/gio.h>
   2
   3 static void
   4 on_bus_acquired (GDBusConnection *connection,
   5                  const gchar     *name,
   6                  gpointer         user_data)
   7 {
   8   /* This is where we'd export some objects on the bus */
   9 }
  10
  11 static void
  12 on_name_acquired (GDBusConnection *connection,
  13                   const gchar     *name,
  14                   gpointer         user_data)
  15 {
  16   g_print ("Acquired the name %s on the session bus\n", name);
  17 }
  18
  19 static void
  20 on_name_lost (GDBusConnection *connection,
  21               const gchar     *name,
  22               gpointer         user_data)
  23 {
  24   g_print ("Lost the name %s on the session bus\n", name);
  25 }
  26
  27 int
  28 main (int argc, char *argv[])
  29 {
  30   guint owner_id;
  31   GMainLoop *loop;
  32   GBusNameOwnerFlags flags;
  33   gboolean opt_replace;
  34   gboolean opt_allow_replacement;
  35   gchar *opt_name;
  36   GOptionContext *opt_context;
  37   GError *error;
  38   GOptionEntry opt_entries[] =
  39     {
  40       { "replace", 'r', 0, G_OPTION_ARG_NONE, &opt_replace, "Replace existing name if possible", NULL },
  41       { "allow-replacement", 'a', 0, G_OPTION_ARG_NONE, &opt_allow_replacement, "Allow replacement", NULL },
  42       { "name", 'n', 0, G_OPTION_ARG_STRING, &opt_name, "Name to acquire", NULL },
  43       { NULL}
  44     };
  45
  46   error = NULL;
  47   opt_name = NULL;
  48   opt_replace = FALSE;
  49   opt_allow_replacement = FALSE;
  50   opt_context = g_option_context_new ("g_bus_own_name() example");
  51   g_option_context_add_main_entries (opt_context, opt_entries, NULL);
  52   if (!g_option_context_parse (opt_context, &argc, &argv, &error))
  53     {
  54       g_printerr ("Error parsing options: %s", error->message);
  55       return 1;
  56     }
  57   if (opt_name == NULL)
  58     {
  59       g_printerr ("Incorrect usage, try --help.\n");
  60       return 1;
  61     }
  62
  63   flags = G_BUS_NAME_OWNER_FLAGS_NONE;
  64   if (opt_replace)
  65     flags |= G_BUS_NAME_OWNER_FLAGS_REPLACE;
  66   if (opt_allow_replacement)
  67     flags |= G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT;
  68
  69   owner_id = g_bus_own_name (G_BUS_TYPE_SESSION,
  70                              opt_name,
  71                              flags,
  72                              on_bus_acquired,
  73                              on_name_acquired,
  74                              on_name_lost,
  75                              NULL,
  76                              NULL);
  77
  78   loop = g_main_loop_new (NULL, FALSE);
  79   g_main_loop_run (loop);
  80
  81   g_bus_unown_name (owner_id);
  82
  83   return 0;
  84 }