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        G_OPTION_ENTRY_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  }