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\x5b\x31\x7e", KEY_HOME);
79 define_key("\x1b\x5b\x34\x7e", KEY_END);
80 define_key("\x1b\x4f\x48", KEY_HOME);
81 define_key("\x1b\x4f\x46", KEY_END);
82 define_key("OH", KEY_HOME);
83 define_key("OF", KEY_END);
84 define_key("\x1b\x5b\x41", KEY_UP);
85 define_key("\x1b\x5b\x42", KEY_DOWN);
86 define_key("\x1b\x5b\x33\x7e", KEY_DC);
88 while (getch() != ERR) /* flush stdin */
92 static void cui_atexit(void)
100 * cui_abort - Signal the main cui program loop to exit.
102 * Sets cui.abort, which causes the cui_run() routine to return.
105 void cui_abort(struct cui *cui)
107 pb_log("%s: exiting\n", __func__);
112 * cui_resize - Signal the main cui program loop to resize
114 * Called at SIGWINCH.
117 void cui_resize(struct cui *cui)
119 pb_debug("%s: resizing\n", __func__);
124 * cui_on_exit - A generic main menu exit callback.
127 void cui_on_exit(struct pmenu *menu)
129 cui_abort(cui_from_pmenu(menu));
133 * cui_run_cmd - A generic cb to run the supplied command.
136 int cui_run_cmd(struct pmenu_item *item)
139 struct cui *cui = cui_from_item(item);
140 const char **cmd_argv = item->data;
142 nc_scr_status_printf(cui->current, _("Running %s..."), cmd_argv[0]);
146 result = process_run_simple_argv(item, cmd_argv);
149 redrawwin(cui->current->main_ncw);
152 pb_log("%s: failed: '%s'\n", __func__, cmd_argv[0]);
153 nc_scr_status_printf(cui->current, _("Failed: %s"),
161 * cui_boot - A generic cb to run kexec.
164 static int cui_boot(struct pmenu_item *item)
167 struct cui *cui = cui_from_item(item);
168 struct cui_opt_data *cod = cod_from_item(item);
170 assert(cui->current == &cui->main->scr);
172 pb_debug("%s: %s\n", __func__, cod->name);
174 nc_scr_status_printf(cui->current, _("Booting %s..."), cod->name);
176 result = discover_client_boot(cui->client, NULL, cod->opt, cod->bd);
179 nc_scr_status_printf(cui->current,
180 _("Failed: boot %s"), cod->bd->image);
186 static void cui_boot_editor_on_exit(struct cui *cui,
187 struct pmenu_item *item,
188 struct pb_boot_data *bd)
190 struct pmenu *menu = cui->main;
191 struct cui_opt_data *cod;
192 int idx, top, rows, cols;
193 static int user_idx = 0;
195 /* Was the edit cancelled? */
197 cui_set_current(cui, &cui->main->scr);
198 talloc_free(cui->boot_editor);
199 cui->boot_editor = NULL;
203 /* Is this was a new item, we'll need to update the menu */
207 cod = talloc_zero(NULL, struct cui_opt_data);
208 cod->name = talloc_asprintf(cod, _("User item %u"), ++user_idx);
210 item = pmenu_item_create(menu, cod->name);
216 item->on_edit = cui_item_edit;
217 item->on_execute = cui_boot;
220 talloc_steal(item, cod);
222 /* Detach the items array. */
223 set_menu_items(menu->ncm, NULL);
225 /* Insert new item at insert_pt. */
226 insert_pt = pmenu_grow(menu, 1);
227 pmenu_item_insert(menu, item, insert_pt);
229 /* Re-attach the items array. */
230 set_menu_items(menu->ncm, menu->items);
232 /* If our index is above the current top row, align
233 * us to the new top. Otherwise, align us to the new
235 menu_format(cui->main->ncm, &rows, &cols);
236 top = top_row(cui->main->ncm);
237 idx = item_index(item->nci);
242 top = idx < rows ? 0 : idx - rows + 1;
244 set_top_row(cui->main->ncm, top);
245 set_current_item(item->pmenu->ncm, item->nci);
247 nc_scr_post(&menu->scr);
252 cod->bd = talloc_steal(cod, bd);
255 cui_set_current(cui, &cui->main->scr);
256 talloc_free(cui->boot_editor);
257 cui->boot_editor = NULL;
260 void cui_item_edit(struct pmenu_item *item)
262 struct cui *cui = cui_from_item(item);
263 cui->boot_editor = boot_editor_init(cui, item, cui->sysinfo,
264 cui_boot_editor_on_exit);
265 cui_set_current(cui, boot_editor_scr(cui->boot_editor));
268 void cui_item_new(struct pmenu *menu)
270 struct cui *cui = cui_from_pmenu(menu);
271 cui->boot_editor = boot_editor_init(cui, NULL, cui->sysinfo,
272 cui_boot_editor_on_exit);
273 cui_set_current(cui, boot_editor_scr(cui->boot_editor));
276 static void cui_sysinfo_exit(struct cui *cui)
278 cui_set_current(cui, &cui->main->scr);
279 talloc_free(cui->sysinfo_screen);
280 cui->sysinfo_screen = NULL;
283 void cui_show_sysinfo(struct cui *cui)
285 cui->sysinfo_screen = sysinfo_screen_init(cui, cui->sysinfo,
287 cui_set_current(cui, sysinfo_screen_scr(cui->sysinfo_screen));
290 static void cui_config_exit(struct cui *cui)
292 cui_set_current(cui, &cui->main->scr);
293 talloc_free(cui->config_screen);
294 cui->config_screen = NULL;
297 void cui_show_config(struct cui *cui)
299 cui->config_screen = config_screen_init(cui, cui->config,
300 cui->sysinfo, cui_config_exit);
301 cui_set_current(cui, config_screen_scr(cui->config_screen));
304 static void cui_lang_exit(struct cui *cui)
306 cui_set_current(cui, &cui->main->scr);
307 talloc_free(cui->lang_screen);
308 cui->lang_screen = NULL;
311 void cui_show_lang(struct cui *cui)
313 cui->lang_screen = lang_screen_init(cui, cui->config, cui_lang_exit);
314 cui_set_current(cui, lang_screen_scr(cui->lang_screen));
317 static void cui_add_url_exit(struct cui *cui)
319 cui_set_current(cui, &cui->main->scr);
320 talloc_free(cui->add_url_screen);
321 cui->add_url_screen = NULL;
324 void cui_show_add_url(struct cui *cui)
326 cui->add_url_screen = add_url_screen_init(cui, cui_add_url_exit);
327 cui_set_current(cui, add_url_screen_scr(cui->add_url_screen));
330 static void cui_help_exit(struct cui *cui)
332 cui_set_current(cui, help_screen_return_scr(cui->help_screen));
333 talloc_free(cui->help_screen);
334 cui->help_screen = NULL;
337 void cui_show_help(struct cui *cui, const char *title,
338 const struct help_text *text)
343 if (cui->help_screen)
346 cui->help_screen = help_screen_init(cui, cui->current,
347 title, text, cui_help_exit);
349 if (cui->help_screen)
350 cui_set_current(cui, help_screen_scr(cui->help_screen));
353 static void cui_subset_exit(struct cui *cui)
355 cui_set_current(cui, subset_screen_return_scr(cui->subset_screen));
356 talloc_free(cui->subset_screen);
357 cui->subset_screen = NULL;
360 void cui_show_subset(struct cui *cui, const char *title,
366 if (cui->subset_screen)
369 cui->subset_screen = subset_screen_init(cui, cui->current,
370 title, arg, cui_subset_exit);
372 if (cui->subset_screen)
373 cui_set_current(cui, subset_screen_scr(cui->subset_screen));
377 * cui_set_current - Set the currently active screen and redraw it.
380 struct nc_scr *cui_set_current(struct cui *cui, struct nc_scr *scr)
384 DBGS("%p -> %p\n", cui->current, scr);
386 assert(cui->current != scr);
393 nc_scr_post(cui->current);
398 static bool process_global_keys(struct cui *cui, int key)
402 if (cui->current && cui->current->main_ncw)
410 * cui_process_key - Process input on stdin.
413 static int cui_process_key(void *arg)
415 struct cui *cui = cui_from_arg(arg);
417 assert(cui->current);
422 pb_debug("%s: got key %d\n", __func__, c);
427 if (!cui->has_input) {
428 cui->has_input = true;
430 pb_log("UI input received (key = %d), aborting "
431 "default boot\n", c);
432 discover_client_cancel_default(cui->client);
434 pb_log("UI input received (key = %d), aborting "
435 "once server connects\n", c);
439 if (process_global_keys(cui, c))
442 cui->current->process_key(cui->current, c);
449 * cui_process_js - Process joystick events.
452 static int cui_process_js(void *arg)
454 struct cui *cui = cui_from_arg(arg);
457 c = pjs_process_event(cui->pjs);
461 cui_process_key(arg);
468 * cui_handle_resize - Handle the term resize.
471 static void cui_handle_resize(struct cui *cui)
475 if (ioctl(1, TIOCGWINSZ, &ws) == -1) {
476 pb_log("%s: ioctl failed: %s\n", __func__, strerror(errno));
480 pb_debug("%s: {%u,%u}\n", __func__, ws.ws_row, ws.ws_col);
482 wclear(cui->current->main_ncw);
483 resize_term(ws.ws_row, ws.ws_col);
484 cui->current->resize(cui->current);
486 /* For some reason this makes ncurses redraw the screen */
488 redrawwin(cui->current->main_ncw);
489 wrefresh(cui->current->main_ncw);
493 * cui_device_add - Client device_add callback.
495 * Creates menu_items for all the device boot_options and inserts those
496 * menu_items into the main menu. Redraws the main menu if it is active.
499 static int cui_boot_option_add(struct device *dev, struct boot_option *opt,
502 struct pmenu_item *i, *dev_hdr = NULL;
503 struct cui *cui = cui_from_arg(arg);
504 struct cui_opt_data *cod;
505 const char *tab = " ";
506 unsigned int insert_pt;
507 int result, rows, cols;
511 pb_debug("%s: %p %s\n", __func__, opt, opt->id);
513 selected = current_item(cui->main->ncm);
514 menu_format(cui->main->ncm, &rows, &cols);
516 if (cui->current == &cui->main->scr)
517 nc_scr_unpost(cui->current);
519 /* Check if the boot device is new */
520 dev_hdr = pmenu_find_device(cui->main, dev, opt);
522 /* All actual boot entries are 'tabbed' across */
523 name = talloc_asprintf(cui->main, "%s%s",
524 tab, opt->name ? : "Unknown Name");
526 /* Save the item in opt->ui_info for cui_device_remove() */
527 opt->ui_info = i = pmenu_item_create(cui->main, name);
532 i->on_edit = cui_item_edit;
533 i->on_execute = cui_boot;
534 i->data = cod = talloc(i, struct cui_opt_data);
538 cod->opt_hash = pb_opt_hash(dev, opt);
539 cod->name = opt->name;
540 cod->bd = talloc(i, struct pb_boot_data);
542 cod->bd->image = talloc_strdup(cod->bd, opt->boot_image_file);
543 cod->bd->initrd = talloc_strdup(cod->bd, opt->initrd_file);
544 cod->bd->dtb = talloc_strdup(cod->bd, opt->dtb_file);
545 cod->bd->args = talloc_strdup(cod->bd, opt->boot_args);
547 /* This disconnects items array from menu. */
548 result = set_menu_items(cui->main->ncm, NULL);
551 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
553 /* Insert new items at insert_pt. */
555 insert_pt = pmenu_grow(cui->main, 2);
556 pmenu_item_insert(cui->main, dev_hdr, insert_pt);
557 pb_log("%s: adding new device hierarchy %s\n",
558 __func__,opt->device_id);
559 pmenu_item_insert(cui->main, i, insert_pt+1);
561 insert_pt = pmenu_grow(cui->main, 1);
562 pmenu_item_add(cui->main, i, insert_pt);
565 pb_log("%s: adding opt '%s'\n", __func__, cod->name);
566 pb_log(" image '%s'\n", cod->bd->image);
567 pb_log(" initrd '%s'\n", cod->bd->initrd);
568 pb_log(" args '%s'\n", cod->bd->args);
570 /* Re-attach the items array. */
571 result = set_menu_items(cui->main->ncm, cui->main->items);
574 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
577 pb_log("%s\n", __func__);
578 pmenu_dump_items(cui->main->items,
579 item_count(cui->main->ncm) + 1);
582 if (!item_visible(selected)) {
585 top = top_row(cui->main->ncm);
586 idx = item_index(selected);
588 /* If our index is above the current top row, align
589 * us to the new top. Otherwise, align us to the new
591 top = top < idx ? idx - rows + 1 : idx;
593 set_top_row(cui->main->ncm, top);
594 set_current_item(cui->main->ncm, selected);
597 if (cui->current == &cui->main->scr)
598 nc_scr_post(cui->current);
604 * cui_device_remove - Client device remove callback.
606 * Removes all the menu_items for the device from the main menu and redraws the
607 * main menu if it is active.
610 static void cui_device_remove(struct device *dev, void *arg)
612 struct cui *cui = cui_from_arg(arg);
613 struct boot_option *opt;
615 int rows, cols, top, last;
618 pb_log("%s: %p %s\n", __func__, dev, dev->id);
620 if (cui->current == &cui->main->scr)
621 nc_scr_unpost(cui->current);
623 /* This disconnects items array from menu. */
625 result = set_menu_items(cui->main->ncm, NULL);
628 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
630 list_for_each_entry(&dev->boot_options, opt, list) {
631 struct pmenu_item *item = pmenu_item_from_arg(opt->ui_info);
633 assert(pb_protocol_device_cmp(dev, cod_from_item(item)->dev));
634 pmenu_remove(cui->main, item);
637 /* Manually remove remaining device hierarchy item */
638 for (i=0; i < cui->main->item_count; i++) {
639 struct pmenu_item *item = item_userptr(cui->main->items[i]);
640 if (!item || !item->data )
643 struct cui_opt_data *data = item->data;
644 if (data && data->dev && data->dev == dev)
645 pmenu_remove(cui->main,item);
648 /* Re-attach the items array. */
650 result = set_menu_items(cui->main->ncm, cui->main->items);
652 /* Move cursor to 'Exit' menu entry */
653 menu_format(cui->main->ncm, &rows, &cols);
654 last = cui->main->item_count - 1;
655 set_current_item(cui->main->ncm, cui->main->items[last]);
656 if (!item_visible(cui->main->items[last])) {
657 top = last < rows ? 0 : last - rows + 1;
658 set_top_row(cui->main->ncm, top);
662 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
665 pb_log("%s\n", __func__);
666 pmenu_dump_items(cui->main->items,
667 item_count(cui->main->ncm) + 1);
670 if (cui->current == &cui->main->scr)
671 nc_scr_post(cui->current);
674 static void cui_update_status(struct boot_status *status, void *arg)
676 struct cui *cui = cui_from_arg(arg);
678 nc_scr_status_printf(cui->current,
680 status->type == BOOT_STATUS_ERROR ?
681 _("Error") : _("Info"),
686 static void cui_update_mm_title(struct cui *cui)
688 struct nc_frame *frame = &cui->main->scr.frame;
690 talloc_free(frame->rtitle);
692 frame->rtitle = talloc_strdup(cui->main, cui->sysinfo->type);
693 if (cui->sysinfo->identifier)
694 frame->rtitle = talloc_asprintf_append(frame->rtitle,
695 " %s", cui->sysinfo->identifier);
697 if (cui->current == &cui->main->scr)
698 nc_scr_post(cui->current);
701 static void cui_update_sysinfo(struct system_info *sysinfo, void *arg)
703 struct cui *cui = cui_from_arg(arg);
704 cui->sysinfo = talloc_steal(cui, sysinfo);
706 /* if we're currently displaying the system info screen, inform it
707 * of the updated information. */
708 if (cui->sysinfo_screen)
709 sysinfo_screen_update(cui->sysinfo_screen, sysinfo);
711 if (cui->subset_screen)
712 subset_screen_update(cui->subset_screen);
714 /* ... and do the same with the config screen... */
715 if (cui->config_screen)
716 config_screen_update(cui->config_screen, cui->config, sysinfo);
718 /* ... and the boot editor. */
719 if (cui->boot_editor)
720 boot_editor_update(cui->boot_editor, sysinfo);
722 cui_update_mm_title(cui);
725 static void cui_update_language(struct cui *cui, char *lang)
730 cur_lang = setlocale(LC_ALL, NULL);
731 if (cur_lang && !strcmp(cur_lang, lang))
734 setlocale(LC_ALL, lang);
736 /* we'll need to update the menu: drop all items and repopulate */
737 repost_menu = cui->current == &cui->main->scr;
739 nc_scr_unpost(cui->current);
741 talloc_free(cui->main);
742 cui->main = main_menu_init(cui);
745 cui->current = &cui->main->scr;
746 nc_scr_post(cui->current);
749 discover_client_enumerate(cui->client);
752 static void cui_update_config(struct config *config, void *arg)
754 struct cui *cui = cui_from_arg(arg);
755 cui->config = talloc_steal(cui, config);
758 cui_update_language(cui, config->lang);
760 if (cui->subset_screen)
761 subset_screen_update(cui->subset_screen);
763 if (cui->config_screen)
764 config_screen_update(cui->config_screen, config, cui->sysinfo);
766 if (config->safe_mode)
767 nc_scr_status_printf(cui->current,
768 _("SAFE MODE: select '%s' to continue"),
769 _("Rescan devices"));
772 int cui_send_config(struct cui *cui, struct config *config)
774 return discover_client_send_config(cui->client, config);
777 int cui_send_url(struct cui *cui, char * url)
779 return discover_client_send_url(cui->client, url);
782 void cui_send_reinit(struct cui *cui)
784 discover_client_send_reinit(cui->client);
787 static int menu_sysinfo_execute(struct pmenu_item *item)
789 cui_show_sysinfo(cui_from_item(item));
793 static int menu_config_execute(struct pmenu_item *item)
795 cui_show_config(cui_from_item(item));
799 static int menu_lang_execute(struct pmenu_item *item)
801 cui_show_lang(cui_from_item(item));
805 static int menu_reinit_execute(struct pmenu_item *item)
807 if (cui_from_item(item)->client)
808 cui_send_reinit(cui_from_item(item));
812 static int menu_add_url_execute(struct pmenu_item *item)
814 if (cui_from_item(item)->client)
815 cui_show_add_url(cui_from_item(item));
820 * pb_mm_init - Setup the main menu instance.
822 static struct pmenu *main_menu_init(struct cui *cui)
824 struct pmenu_item *i;
828 m = pmenu_init(cui, 7, cui_on_exit);
830 pb_log("%s: failed\n", __func__);
834 m->on_new = cui_item_new;
836 m->scr.frame.ltitle = talloc_asprintf(m,
837 "Petitboot (" PACKAGE_VERSION ")");
838 m->scr.frame.rtitle = NULL;
839 m->scr.frame.help = talloc_strdup(m,
840 _("Enter=accept, e=edit, n=new, x=exit, l=language, h=help"));
841 m->scr.frame.status = talloc_strdup(m, _("Welcome to Petitboot"));
843 /* add a separator */
844 i = pmenu_item_create(m, " ");
845 item_opts_off(i->nci, O_SELECTABLE);
846 pmenu_item_insert(m, i, 0);
848 /* add system items */
849 i = pmenu_item_create(m, _("System information"));
850 i->on_execute = menu_sysinfo_execute;
851 pmenu_item_insert(m, i, 1);
853 i = pmenu_item_create(m, _("System configuration"));
854 i->on_execute = menu_config_execute;
855 pmenu_item_insert(m, i, 2);
857 /* this label isn't translated, so we don't want a gettext() here */
858 i = pmenu_item_create(m, "Language");
859 i->on_execute = menu_lang_execute;
860 pmenu_item_insert(m, i, 3);
862 i = pmenu_item_create(m, _("Rescan devices"));
863 i->on_execute = menu_reinit_execute;
864 pmenu_item_insert(m, i, 4);
866 i = pmenu_item_create(m, _("Retrieve config from URL"));
867 i->on_execute = menu_add_url_execute;
868 pmenu_item_insert(m, i, 5);
870 i = pmenu_item_create(m, _("Exit to shell"));
871 i->on_execute = pmenu_exit_cb;
872 pmenu_item_insert(m, i, 6);
874 result = pmenu_setup(m);
877 pb_log("%s:%d: pmenu_setup failed: %s\n", __func__, __LINE__,
882 m->help_title = _("main menu");
883 m->help_text = &main_menu_help_text;
885 menu_opts_off(m->ncm, O_SHOWDESC);
886 set_menu_mark(m->ncm, " *");
887 set_current_item(m->ncm, i->nci);
896 static struct discover_client_ops cui_client_ops = {
898 .boot_option_add = cui_boot_option_add,
899 .device_remove = cui_device_remove,
900 .update_status = cui_update_status,
901 .update_sysinfo = cui_update_sysinfo,
902 .update_config = cui_update_config,
905 /* cui_server_wait - Connect to the discover server.
906 * @arg: Pointer to the cui instance.
908 * A timeout callback that attempts to connect to the discover server; on
909 * failure it registers itself with a one second timeout to try again.
910 * On success the cui->client struct will be set.
912 * Since this updates the status line when called it must not be called
913 * before the UI is ready.
915 static int cui_server_wait(void *arg)
917 struct cui *cui = cui_from_arg(arg);
920 pb_debug("We already have a server!\n");
924 /* We haven't yet connected to the server */
925 pb_log("Trying to connect...\n");
926 cui->client = discover_client_init(cui->waitset,
927 &cui_client_ops, cui);
930 waiter_register_timeout(cui->waitset, 1000, cui_server_wait,
932 nc_scr_status_printf(cui->current, "Info: Waiting for server");
934 nc_scr_status_printf(cui->current, "Info: Connected to server!");
935 talloc_steal(cui, cui->client);
937 if (cui->has_input) {
938 pb_log("Aborting default boot on server connect\n");
939 discover_client_cancel_default(cui->client);
947 * cui_init - Setup the cui instance.
948 * @platform_info: A value for the struct cui platform_info member.
950 * Returns a pointer to a struct cui on success, or NULL on error.
952 * Allocates the cui instance, sets up the client and stdin waiters, and
953 * sets up the ncurses menu screen.
956 struct cui *cui_init(void* platform_info,
957 int (*js_map)(const struct js_event *e), int start_daemon, int timeout)
962 cui = talloc_zero(NULL, struct cui);
964 pb_log("%s: alloc cui failed.\n", __func__);
965 fprintf(stderr, _("%s: alloc cui failed.\n"), __func__);
969 cui->c_sig = pb_cui_sig;
970 cui->platform_info = platform_info;
971 cui->waitset = waitset_create(cui);
973 process_init(cui, cui->waitset, false);
975 /* Loop here for scripts that just started the server. */
978 for (i = start_daemon ? 2 : 15; i && timeout; i--) {
979 cui->client = discover_client_init(cui->waitset,
980 &cui_client_ops, cui);
981 if (cui->client || !i)
983 pb_log("%s: waiting for server %d\n", __func__, i);
987 if (!cui->client && start_daemon) {
992 result = pb_start_daemon(cui);
997 pb_log("%s: discover_client_init failed.\n", __func__);
998 fprintf(stderr, _("%s: error: discover_client_init failed.\n"),
1000 fprintf(stderr, _("could not start pb-discover, the petitboot "
1002 goto fail_client_init;
1005 if (!cui->client && !timeout) {
1006 /* Have the first timeout fire immediately so we can check
1007 * for the server as soon as the UI is ready */
1008 waiter_register_timeout(cui->waitset, 0,
1009 cui_server_wait, cui);
1010 } else if (!cui->client) {
1011 pb_log("%s: discover_client_init failed.\n", __func__);
1012 fprintf(stderr, _("%s: error: discover_client_init failed.\n"),
1014 fprintf(stderr, _("check that pb-discover, "
1015 "the petitboot daemon is running.\n"));
1016 goto fail_client_init;
1020 talloc_steal(cui, cui->client);
1023 cui->main = main_menu_init(cui);
1025 goto fail_client_init;
1027 waiter_register_io(cui->waitset, STDIN_FILENO, WAIT_IN,
1028 cui_process_key, cui);
1032 cui->pjs = pjs_init(cui, js_map);
1035 waiter_register_io(cui->waitset, pjs_get_fd(cui->pjs),
1036 WAIT_IN, cui_process_js, cui);
1048 * cui_run - The main cui program loop.
1049 * @cui: The cui instance.
1050 * @main: The menu to use as the main menu.
1052 * Runs the cui engine. Does not return until indicated to do so by some
1053 * user action, or an error occurs. Frees the cui object on return.
1054 * Returns 0 on success (return to shell), -1 on error (should restart).
1057 int cui_run(struct cui *cui)
1061 cui->current = &cui->main->scr;
1062 cui->default_item = 0;
1064 nc_scr_post(cui->current);
1067 int result = waiter_poll(cui->waitset);
1070 pb_log("%s: poll: %s\n", __func__, strerror(errno));
1077 while (cui->resize) {
1079 cui_handle_resize(cui);
1085 return cui->abort ? 0 : -1;