extern const struct help_text main_menu_help_text;
+static bool cui_detached = false;
+
static struct pmenu *main_menu_init(struct cui *cui);
static void cui_start(void)
define_key("OF", KEY_END);
define_key("\x1b\x5b\x41", KEY_UP);
define_key("\x1b\x5b\x42", KEY_DOWN);
+ define_key("\x1b\x5b\x33\x7e", KEY_DC);
while (getch() != ERR) /* flush stdin */
(void)0;
static void cui_atexit(void)
{
+ if (cui_detached)
+ return;
+
clear();
refresh();
endwin();
if (c == ERR)
break;
- if (!cui->has_input && cui->client) {
- pb_log("UI input received (key = %d), aborting "
- "default boot\n", c);
- discover_client_cancel_default(cui->client);
+ if (!cui->has_input) {
cui->has_input = true;
+ if (cui->client) {
+ pb_log("UI input received (key = %d), aborting "
+ "default boot\n", c);
+ discover_client_cancel_default(cui->client);
+ } else {
+ pb_log("UI input received (key = %d), aborting "
+ "once server connects\n", c);
+ }
}
if (process_global_keys(cui, c))
.update_config = cui_update_config,
};
+/* cui_server_wait_on_exit - On exit spin until the server is available.
+ *
+ * If the program exits before connecting to the server autoboot won't be
+ * cancelled even though there has been keyboard activity. This function is
+ * called by a child process which will spin until the server is connected and
+ * told to cancel autoboot.
+ *
+ * Processes exiting from this function will not carry out the cui_atexit()
+ * steps.
+ */
+static void cui_server_wait_on_exit(struct cui *cui)
+{
+ cui_detached = true;
+
+ while (!cui->client) {
+ cui->client = discover_client_init(cui->waitset,
+ &cui_client_ops, cui);
+ if (!cui->client)
+ sleep(1);
+ }
+
+ talloc_steal(cui, cui->client);
+ discover_client_cancel_default(cui->client);
+}
+
/* cui_server_wait - Connect to the discover server.
* @arg: Pointer to the cui instance.
*
if (!cui->client) {
waiter_register_timeout(cui->waitset, 1000, cui_server_wait,
cui);
- nc_scr_status_printf(cui->current, "Info: Waiting for server");
+ nc_scr_status_printf(cui->current,
+ "Info: Waiting for device discovery");
} else {
- nc_scr_status_printf(cui->current, "Info: Connected to server!");
+ nc_scr_status_printf(cui->current,
+ "Info: Connected to pb-discover!");
talloc_steal(cui, cui->client);
+
+ if (cui->has_input) {
+ pb_log("Aborting default boot on pb-discover connect\n");
+ discover_client_cancel_default(cui->client);
+ }
}
return 0;
int cui_run(struct cui *cui)
{
+ pid_t pid;
+
assert(main);
cui->current = &cui->main->scr;
cui_atexit();
+ if (!cui->client) {
+ /* Fork a child to tell the server to cancel autoboot */
+ pid = fork();
+ if (!pid) {
+ cui_server_wait_on_exit(cui);
+ exit(EXIT_SUCCESS);
+ }
+ if (pid < 0)
+ pb_log("Failed to fork child on exit: %m\n");
+ }
+
return cui->abort ? 0 : -1;
}