2 * Copyright (C) 2009 Sony Computer Entertainment Inc.
3 * Copyright 2009 Sony Corp.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; version 2 of the License.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 #if defined(HAVE_CONFIG_H)
27 #include <sys/ioctl.h>
30 #include "pb-protocol/pb-protocol.h"
31 #include "talloc/talloc.h"
32 #include "waiter/waiter.h"
33 #include "process/process.h"
34 #include "i18n/i18n.h"
35 #include "ui/common/discover-client.h"
36 #include "ui/common/ui-system.h"
38 #include "nc-boot-editor.h"
39 #include "nc-config.h"
40 #include "nc-add-url.h"
41 #include "nc-sysinfo.h"
43 #include "nc-helpscreen.h"
44 #include "nc-subset.h"
46 extern const struct help_text main_menu_help_text;
48 static struct pmenu *main_menu_init(struct cui *cui);
50 static void cui_start(void)
52 initscr(); /* Initialize ncurses. */
53 cbreak(); /* Disable line buffering. */
54 noecho(); /* Disable getch() echo. */
55 keypad(stdscr, TRUE); /* Enable num keypad keys. */
56 nonl(); /* Disable new-line translation. */
57 intrflush(stdscr, FALSE); /* Disable interrupt flush. */
58 curs_set(0); /* Make cursor invisible */
59 nodelay(stdscr, TRUE); /* Enable non-blocking getch() */
61 /* We may be operating with an incorrect $TERM type; in this case
62 * the keymappings will be slightly broken. We want at least
63 * backspace to work though, so we'll define both DEL and ^H to
65 define_key("\x7f", KEY_BACKSPACE);
66 define_key("\x08", KEY_BACKSPACE);
68 /* we need backtab too, for form navigation. vt220 doesn't include
69 * this (kcbt), but we don't want to require a full linux/xterm termcap
71 define_key("\x1b[Z", KEY_BTAB);
73 /* We'll define a few other keys too since they're commonly
74 * used for navigation but the escape character will cause
75 * Petitboot to exit if they're left undefined */
76 define_key("\x1b\x5b\x35\x7e", KEY_PPAGE);
77 define_key("\x1b\x5b\x36\x7e", KEY_NPAGE);
78 define_key("\x1b\x4f\x48", KEY_HOME);
79 define_key("\x1b\x4f\x46", KEY_END);
80 define_key("OH", KEY_HOME);
81 define_key("OF", KEY_END);
83 while (getch() != ERR) /* flush stdin */
87 static void cui_atexit(void)
95 * cui_abort - Signal the main cui program loop to exit.
97 * Sets cui.abort, which causes the cui_run() routine to return.
100 void cui_abort(struct cui *cui)
102 pb_log("%s: exiting\n", __func__);
107 * cui_resize - Signal the main cui program loop to resize
109 * Called at SIGWINCH.
112 void cui_resize(struct cui *cui)
114 pb_debug("%s: resizing\n", __func__);
119 * cui_on_exit - A generic main menu exit callback.
122 void cui_on_exit(struct pmenu *menu)
124 cui_abort(cui_from_pmenu(menu));
128 * cui_run_cmd - A generic cb to run the supplied command.
131 int cui_run_cmd(struct pmenu_item *item)
134 struct cui *cui = cui_from_item(item);
135 const char **cmd_argv = item->data;
137 nc_scr_status_printf(cui->current, _("Running %s..."), cmd_argv[0]);
141 result = process_run_simple_argv(item, cmd_argv);
144 redrawwin(cui->current->main_ncw);
147 pb_log("%s: failed: '%s'\n", __func__, cmd_argv[0]);
148 nc_scr_status_printf(cui->current, _("Failed: %s"),
156 * cui_boot - A generic cb to run kexec.
159 static int cui_boot(struct pmenu_item *item)
162 struct cui *cui = cui_from_item(item);
163 struct cui_opt_data *cod = cod_from_item(item);
165 assert(cui->current == &cui->main->scr);
167 pb_debug("%s: %s\n", __func__, cod->name);
169 nc_scr_status_printf(cui->current, _("Booting %s..."), cod->name);
171 result = discover_client_boot(cui->client, NULL, cod->opt, cod->bd);
174 nc_scr_status_printf(cui->current,
175 _("Failed: boot %s"), cod->bd->image);
181 static void cui_boot_editor_on_exit(struct cui *cui,
182 struct pmenu_item *item,
183 struct pb_boot_data *bd)
185 struct pmenu *menu = cui->main;
186 struct cui_opt_data *cod;
187 int idx, top, rows, cols;
188 static int user_idx = 0;
190 /* Was the edit cancelled? */
192 cui_set_current(cui, &cui->main->scr);
193 talloc_free(cui->boot_editor);
194 cui->boot_editor = NULL;
198 /* Is this was a new item, we'll need to update the menu */
202 cod = talloc_zero(NULL, struct cui_opt_data);
203 cod->name = talloc_asprintf(cod, _("User item %u"), ++user_idx);
205 item = pmenu_item_create(menu, cod->name);
211 item->on_edit = cui_item_edit;
212 item->on_execute = cui_boot;
215 talloc_steal(item, cod);
217 /* Detach the items array. */
218 set_menu_items(menu->ncm, NULL);
220 /* Insert new item at insert_pt. */
221 insert_pt = pmenu_grow(menu, 1);
222 pmenu_item_insert(menu, item, insert_pt);
224 /* Re-attach the items array. */
225 set_menu_items(menu->ncm, menu->items);
227 /* If our index is above the current top row, align
228 * us to the new top. Otherwise, align us to the new
230 menu_format(cui->main->ncm, &rows, &cols);
231 top = top_row(cui->main->ncm);
232 idx = item_index(item->nci);
237 top = idx < rows ? 0 : idx - rows + 1;
239 set_top_row(cui->main->ncm, top);
240 set_current_item(item->pmenu->ncm, item->nci);
242 nc_scr_post(&menu->scr);
247 cod->bd = talloc_steal(cod, bd);
250 cui_set_current(cui, &cui->main->scr);
251 talloc_free(cui->boot_editor);
252 cui->boot_editor = NULL;
255 void cui_item_edit(struct pmenu_item *item)
257 struct cui *cui = cui_from_item(item);
258 cui->boot_editor = boot_editor_init(cui, item, cui->sysinfo,
259 cui_boot_editor_on_exit);
260 cui_set_current(cui, boot_editor_scr(cui->boot_editor));
263 void cui_item_new(struct pmenu *menu)
265 struct cui *cui = cui_from_pmenu(menu);
266 cui->boot_editor = boot_editor_init(cui, NULL, cui->sysinfo,
267 cui_boot_editor_on_exit);
268 cui_set_current(cui, boot_editor_scr(cui->boot_editor));
271 static void cui_sysinfo_exit(struct cui *cui)
273 cui_set_current(cui, &cui->main->scr);
274 talloc_free(cui->sysinfo_screen);
275 cui->sysinfo_screen = NULL;
278 void cui_show_sysinfo(struct cui *cui)
280 cui->sysinfo_screen = sysinfo_screen_init(cui, cui->sysinfo,
282 cui_set_current(cui, sysinfo_screen_scr(cui->sysinfo_screen));
285 static void cui_config_exit(struct cui *cui)
287 cui_set_current(cui, &cui->main->scr);
288 talloc_free(cui->config_screen);
289 cui->config_screen = NULL;
292 void cui_show_config(struct cui *cui)
294 cui->config_screen = config_screen_init(cui, cui->config,
295 cui->sysinfo, cui_config_exit);
296 cui_set_current(cui, config_screen_scr(cui->config_screen));
299 static void cui_lang_exit(struct cui *cui)
301 cui_set_current(cui, &cui->main->scr);
302 talloc_free(cui->lang_screen);
303 cui->lang_screen = NULL;
306 void cui_show_lang(struct cui *cui)
308 cui->lang_screen = lang_screen_init(cui, cui->config, cui_lang_exit);
309 cui_set_current(cui, lang_screen_scr(cui->lang_screen));
312 static void cui_add_url_exit(struct cui *cui)
314 cui_set_current(cui, &cui->main->scr);
315 talloc_free(cui->add_url_screen);
316 cui->add_url_screen = NULL;
319 void cui_show_add_url(struct cui *cui)
321 cui->add_url_screen = add_url_screen_init(cui, cui_add_url_exit);
322 cui_set_current(cui, add_url_screen_scr(cui->add_url_screen));
325 static void cui_help_exit(struct cui *cui)
327 cui_set_current(cui, help_screen_return_scr(cui->help_screen));
328 talloc_free(cui->help_screen);
329 cui->help_screen = NULL;
332 void cui_show_help(struct cui *cui, const char *title,
333 const struct help_text *text)
338 if (cui->help_screen)
341 cui->help_screen = help_screen_init(cui, cui->current,
342 title, text, cui_help_exit);
344 if (cui->help_screen)
345 cui_set_current(cui, help_screen_scr(cui->help_screen));
348 static void cui_subset_exit(struct cui *cui)
350 cui_set_current(cui, subset_screen_return_scr(cui->subset_screen));
351 talloc_free(cui->subset_screen);
352 cui->subset_screen = NULL;
355 void cui_show_subset(struct cui *cui, const char *title,
361 if (cui->subset_screen)
364 cui->subset_screen = subset_screen_init(cui, cui->current,
365 title, arg, cui_subset_exit);
367 if (cui->subset_screen)
368 cui_set_current(cui, subset_screen_scr(cui->subset_screen));
372 * cui_set_current - Set the currently active screen and redraw it.
375 struct nc_scr *cui_set_current(struct cui *cui, struct nc_scr *scr)
379 DBGS("%p -> %p\n", cui->current, scr);
381 assert(cui->current != scr);
388 nc_scr_post(cui->current);
393 static bool process_global_keys(struct cui *cui, int key)
397 if (cui->current && cui->current->main_ncw)
405 * cui_process_key - Process input on stdin.
408 static int cui_process_key(void *arg)
410 struct cui *cui = cui_from_arg(arg);
412 assert(cui->current);
417 pb_debug("%s: got key %d\n", __func__, c);
422 if (!cui->has_input) {
423 pb_log("UI input received (key = %d), aborting "
424 "default boot\n", c);
425 discover_client_cancel_default(cui->client);
426 cui->has_input = true;
429 if (process_global_keys(cui, c))
432 cui->current->process_key(cui->current, c);
439 * cui_process_js - Process joystick events.
442 static int cui_process_js(void *arg)
444 struct cui *cui = cui_from_arg(arg);
447 c = pjs_process_event(cui->pjs);
451 cui_process_key(arg);
458 * cui_handle_resize - Handle the term resize.
461 static void cui_handle_resize(struct cui *cui)
465 if (ioctl(1, TIOCGWINSZ, &ws) == -1) {
466 pb_log("%s: ioctl failed: %s\n", __func__, strerror(errno));
470 pb_debug("%s: {%u,%u}\n", __func__, ws.ws_row, ws.ws_col);
472 wclear(cui->current->main_ncw);
473 resize_term(ws.ws_row, ws.ws_col);
474 cui->current->resize(cui->current);
476 /* For some reason this makes ncurses redraw the screen */
478 redrawwin(cui->current->main_ncw);
479 wrefresh(cui->current->main_ncw);
483 * cui_device_add - Client device_add callback.
485 * Creates menu_items for all the device boot_options and inserts those
486 * menu_items into the main menu. Redraws the main menu if it is active.
489 static int cui_boot_option_add(struct device *dev, struct boot_option *opt,
492 struct pmenu_item *i, *dev_hdr = NULL;
493 struct cui *cui = cui_from_arg(arg);
494 struct cui_opt_data *cod;
495 const char *tab = " ";
496 unsigned int insert_pt;
497 int result, rows, cols;
501 pb_debug("%s: %p %s\n", __func__, opt, opt->id);
503 selected = current_item(cui->main->ncm);
504 menu_format(cui->main->ncm, &rows, &cols);
506 if (cui->current == &cui->main->scr)
507 nc_scr_unpost(cui->current);
509 /* Check if the boot device is new */
510 dev_hdr = pmenu_find_device(cui->main, dev, opt);
512 /* All actual boot entries are 'tabbed' across */
513 name = talloc_asprintf(cui->main, "%s%s",
514 tab, opt->name ? : "Unknown Name");
516 /* Save the item in opt->ui_info for cui_device_remove() */
517 opt->ui_info = i = pmenu_item_create(cui->main, name);
522 i->on_edit = cui_item_edit;
523 i->on_execute = cui_boot;
524 i->data = cod = talloc(i, struct cui_opt_data);
528 cod->opt_hash = pb_opt_hash(dev, opt);
529 cod->name = opt->name;
530 cod->bd = talloc(i, struct pb_boot_data);
532 cod->bd->image = talloc_strdup(cod->bd, opt->boot_image_file);
533 cod->bd->initrd = talloc_strdup(cod->bd, opt->initrd_file);
534 cod->bd->dtb = talloc_strdup(cod->bd, opt->dtb_file);
535 cod->bd->args = talloc_strdup(cod->bd, opt->boot_args);
537 /* This disconnects items array from menu. */
538 result = set_menu_items(cui->main->ncm, NULL);
541 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
543 /* Insert new items at insert_pt. */
545 insert_pt = pmenu_grow(cui->main, 2);
546 pmenu_item_insert(cui->main, dev_hdr, insert_pt);
547 pb_log("%s: adding new device hierarchy %s\n",
548 __func__,opt->device_id);
549 pmenu_item_insert(cui->main, i, insert_pt+1);
551 insert_pt = pmenu_grow(cui->main, 1);
552 pmenu_item_add(cui->main, i, insert_pt);
555 pb_log("%s: adding opt '%s'\n", __func__, cod->name);
556 pb_log(" image '%s'\n", cod->bd->image);
557 pb_log(" initrd '%s'\n", cod->bd->initrd);
558 pb_log(" args '%s'\n", cod->bd->args);
560 /* Re-attach the items array. */
561 result = set_menu_items(cui->main->ncm, cui->main->items);
564 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
567 pb_log("%s\n", __func__);
568 pmenu_dump_items(cui->main->items,
569 item_count(cui->main->ncm) + 1);
572 if (!item_visible(selected)) {
575 top = top_row(cui->main->ncm);
576 idx = item_index(selected);
578 /* If our index is above the current top row, align
579 * us to the new top. Otherwise, align us to the new
581 top = top < idx ? idx - rows + 1 : idx;
583 set_top_row(cui->main->ncm, top);
584 set_current_item(cui->main->ncm, selected);
587 if (cui->current == &cui->main->scr)
588 nc_scr_post(cui->current);
594 * cui_device_remove - Client device remove callback.
596 * Removes all the menu_items for the device from the main menu and redraws the
597 * main menu if it is active.
600 static void cui_device_remove(struct device *dev, void *arg)
602 struct cui *cui = cui_from_arg(arg);
603 struct boot_option *opt;
605 int rows, cols, top, last;
608 pb_log("%s: %p %s\n", __func__, dev, dev->id);
610 if (cui->current == &cui->main->scr)
611 nc_scr_unpost(cui->current);
613 /* This disconnects items array from menu. */
615 result = set_menu_items(cui->main->ncm, NULL);
618 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
620 list_for_each_entry(&dev->boot_options, opt, list) {
621 struct pmenu_item *item = pmenu_item_from_arg(opt->ui_info);
623 assert(pb_protocol_device_cmp(dev, cod_from_item(item)->dev));
624 pmenu_remove(cui->main, item);
627 /* Manually remove remaining device hierarchy item */
628 for (i=0; i < cui->main->item_count; i++) {
629 struct pmenu_item *item = item_userptr(cui->main->items[i]);
630 if (!item || !item->data )
633 struct cui_opt_data *data = item->data;
634 if (data && data->dev && data->dev == dev)
635 pmenu_remove(cui->main,item);
638 /* Re-attach the items array. */
640 result = set_menu_items(cui->main->ncm, cui->main->items);
642 /* Move cursor to 'Exit' menu entry */
643 menu_format(cui->main->ncm, &rows, &cols);
644 last = cui->main->item_count - 1;
645 set_current_item(cui->main->ncm, cui->main->items[last]);
646 if (!item_visible(cui->main->items[last])) {
647 top = last < rows ? 0 : last - rows + 1;
648 set_top_row(cui->main->ncm, top);
652 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
655 pb_log("%s\n", __func__);
656 pmenu_dump_items(cui->main->items,
657 item_count(cui->main->ncm) + 1);
660 if (cui->current == &cui->main->scr)
661 nc_scr_post(cui->current);
664 static void cui_update_status(struct boot_status *status, void *arg)
666 struct cui *cui = cui_from_arg(arg);
668 nc_scr_status_printf(cui->current,
670 status->type == BOOT_STATUS_ERROR ?
671 _("Error") : _("Info"),
676 static void cui_update_mm_title(struct cui *cui)
678 struct nc_frame *frame = &cui->main->scr.frame;
680 talloc_free(frame->rtitle);
682 frame->rtitle = talloc_strdup(cui->main, cui->sysinfo->type);
683 if (cui->sysinfo->identifier)
684 frame->rtitle = talloc_asprintf_append(frame->rtitle,
685 " %s", cui->sysinfo->identifier);
687 if (cui->current == &cui->main->scr)
688 nc_scr_post(cui->current);
691 static void cui_update_sysinfo(struct system_info *sysinfo, void *arg)
693 struct cui *cui = cui_from_arg(arg);
694 cui->sysinfo = talloc_steal(cui, sysinfo);
696 /* if we're currently displaying the system info screen, inform it
697 * of the updated information. */
698 if (cui->sysinfo_screen)
699 sysinfo_screen_update(cui->sysinfo_screen, sysinfo);
701 if (cui->subset_screen)
702 subset_screen_update(cui->subset_screen);
704 /* ... and do the same with the config screen... */
705 if (cui->config_screen)
706 config_screen_update(cui->config_screen, cui->config, sysinfo);
708 /* ... and the boot editor. */
709 if (cui->boot_editor)
710 boot_editor_update(cui->boot_editor, sysinfo);
712 cui_update_mm_title(cui);
715 static void cui_update_language(struct cui *cui, char *lang)
720 cur_lang = setlocale(LC_ALL, NULL);
721 if (cur_lang && !strcmp(cur_lang, lang))
724 setlocale(LC_ALL, lang);
726 /* we'll need to update the menu: drop all items and repopulate */
727 repost_menu = cui->current == &cui->main->scr;
729 nc_scr_unpost(cui->current);
731 talloc_free(cui->main);
732 cui->main = main_menu_init(cui);
735 cui->current = &cui->main->scr;
736 nc_scr_post(cui->current);
739 discover_client_enumerate(cui->client);
742 static void cui_update_config(struct config *config, void *arg)
744 struct cui *cui = cui_from_arg(arg);
745 cui->config = talloc_steal(cui, config);
748 cui_update_language(cui, config->lang);
750 if (cui->subset_screen)
751 subset_screen_update(cui->subset_screen);
753 if (cui->config_screen)
754 config_screen_update(cui->config_screen, config, cui->sysinfo);
756 if (config->safe_mode)
757 nc_scr_status_printf(cui->current,
758 _("SAFE MODE: select '%s' to continue"),
759 _("Rescan devices"));
762 int cui_send_config(struct cui *cui, struct config *config)
764 return discover_client_send_config(cui->client, config);
767 int cui_send_url(struct cui *cui, char * url)
769 return discover_client_send_url(cui->client, url);
772 void cui_send_reinit(struct cui *cui)
774 discover_client_send_reinit(cui->client);
777 static int menu_sysinfo_execute(struct pmenu_item *item)
779 cui_show_sysinfo(cui_from_item(item));
783 static int menu_config_execute(struct pmenu_item *item)
785 cui_show_config(cui_from_item(item));
789 static int menu_lang_execute(struct pmenu_item *item)
791 cui_show_lang(cui_from_item(item));
795 static int menu_reinit_execute(struct pmenu_item *item)
797 cui_send_reinit(cui_from_item(item));
801 static int menu_add_url_execute(struct pmenu_item *item)
803 cui_show_add_url(cui_from_item(item));
808 * pb_mm_init - Setup the main menu instance.
810 static struct pmenu *main_menu_init(struct cui *cui)
812 struct pmenu_item *i;
816 m = pmenu_init(cui, 7, cui_on_exit);
818 pb_log("%s: failed\n", __func__);
822 m->on_new = cui_item_new;
824 m->scr.frame.ltitle = talloc_asprintf(m,
825 "Petitboot (" PACKAGE_VERSION ")");
826 m->scr.frame.rtitle = NULL;
827 m->scr.frame.help = talloc_strdup(m,
828 _("Enter=accept, e=edit, n=new, x=exit, l=language, h=help"));
829 m->scr.frame.status = talloc_strdup(m, _("Welcome to Petitboot"));
831 /* add a separator */
832 i = pmenu_item_create(m, " ");
833 item_opts_off(i->nci, O_SELECTABLE);
834 pmenu_item_insert(m, i, 0);
836 /* add system items */
837 i = pmenu_item_create(m, _("System information"));
838 i->on_execute = menu_sysinfo_execute;
839 pmenu_item_insert(m, i, 1);
841 i = pmenu_item_create(m, _("System configuration"));
842 i->on_execute = menu_config_execute;
843 pmenu_item_insert(m, i, 2);
845 /* this label isn't translated, so we don't want a gettext() here */
846 i = pmenu_item_create(m, "Language");
847 i->on_execute = menu_lang_execute;
848 pmenu_item_insert(m, i, 3);
850 i = pmenu_item_create(m, _("Rescan devices"));
851 i->on_execute = menu_reinit_execute;
852 pmenu_item_insert(m, i, 4);
854 i = pmenu_item_create(m, _("Retrieve config from URL"));
855 i->on_execute = menu_add_url_execute;
856 pmenu_item_insert(m, i, 5);
858 i = pmenu_item_create(m, _("Exit to shell"));
859 i->on_execute = pmenu_exit_cb;
860 pmenu_item_insert(m, i, 6);
862 result = pmenu_setup(m);
865 pb_log("%s:%d: pmenu_setup failed: %s\n", __func__, __LINE__,
870 m->help_title = _("main menu");
871 m->help_text = &main_menu_help_text;
873 menu_opts_off(m->ncm, O_SHOWDESC);
874 set_menu_mark(m->ncm, " *");
875 set_current_item(m->ncm, i->nci);
884 static struct discover_client_ops cui_client_ops = {
886 .boot_option_add = cui_boot_option_add,
887 .device_remove = cui_device_remove,
888 .update_status = cui_update_status,
889 .update_sysinfo = cui_update_sysinfo,
890 .update_config = cui_update_config,
894 * cui_init - Setup the cui instance.
895 * @platform_info: A value for the struct cui platform_info member.
897 * Returns a pointer to a struct cui on success, or NULL on error.
899 * Allocates the cui instance, sets up the client and stdin waiters, and
900 * sets up the ncurses menu screen.
903 struct cui *cui_init(void* platform_info,
904 int (*js_map)(const struct js_event *e), int start_deamon)
909 cui = talloc_zero(NULL, struct cui);
911 pb_log("%s: alloc cui failed.\n", __func__);
912 fprintf(stderr, _("%s: alloc cui failed.\n"), __func__);
916 cui->c_sig = pb_cui_sig;
917 cui->platform_info = platform_info;
918 cui->waitset = waitset_create(cui);
920 process_init(cui, cui->waitset, false);
922 /* Loop here for scripts that just started the server. */
925 for (i = start_deamon ? 2 : 10; i; i--) {
926 cui->client = discover_client_init(cui->waitset,
927 &cui_client_ops, cui);
928 if (cui->client || !i)
930 pb_log("%s: waiting for server %d\n", __func__, i);
934 if (!cui->client && start_deamon) {
939 result = pb_start_daemon(cui);
944 pb_log("%s: discover_client_init failed.\n", __func__);
945 fprintf(stderr, _("%s: error: discover_client_init failed.\n"),
947 fprintf(stderr, _("could not start pb-discover, the petitboot "
949 goto fail_client_init;
953 pb_log("%s: discover_client_init failed.\n", __func__);
954 fprintf(stderr, _("%s: error: discover_client_init failed.\n"),
956 fprintf(stderr, _("check that pb-discover, "
957 "the petitboot daemon is running.\n"));
958 goto fail_client_init;
962 talloc_steal(cui, cui->client);
965 cui->main = main_menu_init(cui);
967 goto fail_client_init;
969 waiter_register_io(cui->waitset, STDIN_FILENO, WAIT_IN,
970 cui_process_key, cui);
974 cui->pjs = pjs_init(cui, js_map);
977 waiter_register_io(cui->waitset, pjs_get_fd(cui->pjs),
978 WAIT_IN, cui_process_js, cui);
990 * cui_run - The main cui program loop.
991 * @cui: The cui instance.
992 * @main: The menu to use as the main menu.
994 * Runs the cui engine. Does not return until indicated to do so by some
995 * user action, or an error occurs. Frees the cui object on return.
996 * Returns 0 on success (return to shell), -1 on error (should restart).
999 int cui_run(struct cui *cui)
1003 cui->current = &cui->main->scr;
1004 cui->default_item = 0;
1006 nc_scr_post(cui->current);
1009 int result = waiter_poll(cui->waitset);
1012 pb_log("%s: poll: %s\n", __func__, strerror(errno));
1019 while (cui->resize) {
1021 cui_handle_resize(cui);
1027 return cui->abort ? 0 : -1;