#include <gio/gio.h>

static void

on_bus_acquired (GDBusConnection *connection,

                 const gchar     *name,

                 gpointer         user_data)

{

  /* This is where we'd export some objects on the bus */

}

static void

on_name_acquired (GDBusConnection *connection,

                  const gchar     *name,

                  gpointer         user_data)

{

  g_print ("Acquired the name %s on the session bus\n", name);

}

static void

on_name_lost (GDBusConnection *connection,

              const gchar     *name,

              gpointer         user_data)

{

  g_print ("Lost the name %s on the session bus\n", name);

}

int

main (int argc, char *argv[])

{

  guint owner_id;

  GMainLoop *loop;

  GBusNameOwnerFlags flags;

  gboolean opt_replace;

  gboolean opt_allow_replacement;

  gchar *opt_name;

  GOptionContext *opt_context;

  GError *error;

  GOptionEntry opt_entries[] =

    {

      { "replace", 'r', 0, G_OPTION_ARG_NONE, &opt_replace, "Replace existing name if possible", NULL },

      { "allow-replacement", 'a', 0, G_OPTION_ARG_NONE, &opt_allow_replacement, "Allow replacement", NULL },

      { "name", 'n', 0, G_OPTION_ARG_STRING, &opt_name, "Name to acquire", NULL },

      { NULL}

    };

  error = NULL;

  opt_name = NULL;

  opt_replace = FALSE;

  opt_allow_replacement = FALSE;

  opt_context = g_option_context_new ("g_bus_own_name() example");

  g_option_context_add_main_entries (opt_context, opt_entries, NULL);

  if (!g_option_context_parse (opt_context, &argc, &argv, &error))

    {

      g_printerr ("Error parsing options: %s", error->message);

      return 1;

    }

  if (opt_name == NULL)

    {

      g_printerr ("Incorrect usage, try --help.\n");

      return 1;

    }

  flags = G_BUS_NAME_OWNER_FLAGS_NONE;

  if (opt_replace)

    flags |= G_BUS_NAME_OWNER_FLAGS_REPLACE;

  if (opt_allow_replacement)

    flags |= G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT;

  owner_id = g_bus_own_name (G_BUS_TYPE_SESSION,

                             opt_name,

                             flags,

                             on_bus_acquired,

                             on_name_acquired,

                             on_name_lost,

                             NULL,

                             NULL);

  loop = g_main_loop_new (NULL, FALSE);

  g_main_loop_run (loop);

  g_bus_unown_name (owner_id);

  return 0;

}