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
25 #include <sys/ioctl.h>
28 #include "talloc/talloc.h"
29 #include "waiter/waiter.h"
30 #include "ui/common/discover-client.h"
33 static struct cui_opt_data *cod_from_item(struct pmenu_item *item)
39 * cui_abort - Signal the main cui program loop to exit.
41 * Sets cui.abort, which causes the cui_run() routine to return.
44 void cui_abort(struct cui *cui)
46 pb_log("%s: exiting\n", __func__);
51 * cui_resize - Signal the main cui program loop to resize
56 void cui_resize(struct cui *cui)
58 pb_log("%s: resizing\n", __func__);
63 * cui_make_item_name - Format the menu item name srting.
65 * Returns a talloc string.
68 static char *cui_make_item_name(struct pmenu_item *i, struct cui_opt_data *cod)
75 name = talloc_asprintf(i, "%s:", cod->name);
78 name = talloc_asprintf_append(name, " %s", cod->bd->image);
81 name = talloc_asprintf_append(name, " initrd=%s",
85 name = talloc_asprintf_append(name, " %s", cod->bd->args);
92 * cui_on_exit - A generic main menu ESC callback.
95 void cui_on_exit(struct pmenu *menu)
97 cui_abort(cui_from_pmenu(menu));
101 * cui_run_cmd - A generic cb to run the supplied command.
104 int cui_run_cmd(struct pmenu_item *item)
107 struct cui *cui = cui_from_item(item);
108 const char *const *cmd_argv = item->data;
110 nc_scr_status_printf(cui->current, "Running %s...", cmd_argv[0]);
114 result = pb_run_cmd(cmd_argv, 1, 0);
117 redrawwin(cui->current->main_ncw);
120 pb_log("%s: failed: '%s'\n", __func__, cmd_argv[0]);
121 nc_scr_status_printf(cui->current, "Failed: %s", cmd_argv[0]);
128 * cui_boot - A generic cb to run kexec.
131 static int cui_boot(struct pmenu_item *item)
134 struct cui *cui = cui_from_item(item);
135 struct cui_opt_data *cod = cod_from_item(item);
137 assert(cui->current == &cui->main->scr);
139 pb_log("%s: %s\n", __func__, cod->name);
140 nc_scr_status_printf(cui->current, "Booting %s...", cod->name);
144 result = discover_client_boot(cui->client, cod->dev, cod->opt, cod->bd);
147 redrawwin(cui->current->main_ncw);
151 mvaddstr(1, 0, "system is going down now...");
154 nc_scr_status_printf(cui->current,
155 "Failed: boot %s", cod->bd->image);
162 * cui_boot_editor_on_exit - The boot_editor on_exit callback.
165 static void cui_boot_editor_on_exit(struct boot_editor *boot_editor, enum boot_editor_result boot_editor_result,
166 struct pb_boot_data *bd)
168 struct cui *cui = cui_from_arg(boot_editor->scr.ui_ctx);
170 if (boot_editor_result == boot_editor_update) {
171 struct pmenu_item *i = pmenu_find_selected(cui->main);
172 struct cui_opt_data *cod = cod_from_item(i);
178 talloc_free(cod->bd);
181 name = cui_make_item_name(i, cod);
182 pmenu_item_replace(i, name);
184 /* FIXME: need to make item visible somehow */
185 set_current_item(cui->main->ncm, i->nci);
187 pb_log("%s: updating opt '%s'\n", __func__, cod->name);
188 pb_log(" image '%s'\n", cod->bd->image);
189 pb_log(" initrd '%s'\n", cod->bd->initrd);
190 pb_log(" args '%s'\n", cod->bd->args);
193 cui_set_current(cui, &cui->main->scr);
195 talloc_free(boot_editor);
198 int cui_boot_editor_run(struct pmenu_item *item)
200 struct cui *cui = cui_from_item(item);
201 struct cui_opt_data *cod = cod_from_item(item);
202 struct boot_editor *boot_editor;
204 boot_editor = boot_editor_init(cui, cod->bd, cui_boot_editor_on_exit);
205 cui_set_current(cui, &boot_editor->scr);
211 * cui_set_current - Set the currently active screen and redraw it.
214 struct nc_scr *cui_set_current(struct cui *cui, struct nc_scr *scr)
218 DBGS("%p -> %p\n", cui->current, scr);
220 assert(cui->current != scr);
226 cui->current->post(cui->current);
232 * cui_process_key - Process input on stdin.
235 static int cui_process_key(void *arg)
237 struct cui *cui = cui_from_arg(arg);
239 assert(cui->current);
241 ui_timer_disable(&cui->timer);
242 cui->current->process_key(cui->current);
248 * cui_process_js - Process joystick events.
251 static int cui_process_js(void *arg)
253 struct cui *cui = cui_from_arg(arg);
256 c = pjs_process_event(cui->pjs);
260 cui_process_key(arg);
267 * cui_handle_timeout - Handle the timeout.
270 static void cui_handle_timeout(struct ui_timer *timer)
272 struct cui *cui = cui_from_timer(timer);
273 struct pmenu_item *i = pmenu_find_selected(cui->main);
277 struct cui_opt_data *cod = cod_from_item(i);
278 assert(cod && (cod->opt_hash == cui->default_item));
285 * cui_handle_resize - Handle the term resize.
288 static void cui_handle_resize(struct cui *cui)
292 if (ioctl(1, TIOCGWINSZ, &ws) == -1) {
293 pb_log("%s: ioctl failed: %s\n", __func__, strerror(errno));
297 pb_log("%s: {%u,%u}\n", __func__, ws.ws_row, ws.ws_col);
299 wclear(cui->current->main_ncw);
300 resize_term(ws.ws_row, ws.ws_col);
301 cui->current->resize(cui->current);
303 /* For some reason this makes ncurses redraw the screen */
305 redrawwin(cui->current->main_ncw);
306 wrefresh(cui->current->main_ncw);
310 * cui_on_open - Open new item callback.
313 void cui_on_open(struct pmenu *menu)
315 unsigned int insert_pt;
316 struct pmenu_item *i;
317 struct cui_opt_data *cod;
319 menu->scr.unpost(&menu->scr);
321 /* This disconnects items array from menu. */
323 set_menu_items(menu->ncm, NULL);
325 /* Insert new items at insert_pt. */
327 insert_pt = pmenu_grow(menu, 1);
328 i = pmenu_item_alloc(menu);
330 i->on_edit = cui_boot_editor_run;
331 i->on_execute = cui_boot;
332 i->data = cod = talloc_zero(i, struct cui_opt_data);
334 cod->name = talloc_asprintf(i, "User item %u:", insert_pt);
335 cod->bd = talloc_zero(i, struct pb_boot_data);
337 pmenu_item_setup(menu, i, insert_pt, talloc_strdup(i, cod->name));
339 /* Re-attach the items array. */
341 set_menu_items(menu->ncm, menu->items);
343 menu->scr.post(&menu->scr);
344 set_current_item(menu->ncm, i->nci);
350 * cui_device_add - Client device_add callback.
352 * Creates menu_items for all the device boot_options and inserts those
353 * menu_items into the main menu. Redraws the main menu if it is active.
356 static int cui_device_add(struct device *dev, void *arg)
358 struct cui *cui = cui_from_arg(arg);
360 struct boot_option *opt;
361 unsigned int o_count; /* device opts */
362 unsigned int insert_pt;
365 pb_log("%s: %p %s\n", __func__, dev, dev->id);
367 selected = current_item(cui->main->ncm);
369 if (cui->current == &cui->main->scr)
370 cui->current->unpost(cui->current);
372 /* This disconnects items array from menu. */
374 result = set_menu_items(cui->main->ncm, NULL);
377 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
380 list_for_each_entry(&dev->boot_options, opt, list)
383 /* Insert new items at insert_pt. */
385 insert_pt = pmenu_grow(cui->main, o_count);
387 list_for_each_entry(&dev->boot_options, opt, list) {
388 struct pmenu_item *i;
389 struct cui_opt_data *cod;
392 /* Save the item in opt->ui_info for cui_device_remove() */
394 opt->ui_info = i = pmenu_item_alloc(cui->main);
396 i->on_edit = cui_boot_editor_run;
397 i->on_execute = cui_boot;
398 i->data = cod = talloc(i, struct cui_opt_data);
402 cod->opt_hash = pb_opt_hash(dev, opt);
403 cod->name = opt->name;
404 cod->bd = talloc(i, struct pb_boot_data);
406 cod->bd->image = talloc_strdup(cod->bd, opt->boot_image_file);
407 cod->bd->initrd = talloc_strdup(cod->bd, opt->initrd_file);
408 cod->bd->args = talloc_strdup(cod->bd, opt->boot_args);
410 name = cui_make_item_name(i, cod);
411 pmenu_item_setup(cui->main, i, insert_pt, name);
415 pb_log("%s: adding opt '%s'\n", __func__, cod->name);
416 pb_log(" image '%s'\n", cod->bd->image);
417 pb_log(" initrd '%s'\n", cod->bd->initrd);
418 pb_log(" args '%s'\n", cod->bd->args);
420 /* If this is the default_item select it and start timer. */
422 if (cod->opt_hash == cui->default_item) {
424 ui_timer_kick(&cui->timer);
428 /* Re-attach the items array. */
430 result = set_menu_items(cui->main->ncm, cui->main->items);
433 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
436 pb_log("%s\n", __func__);
437 pmenu_dump_items(cui->main->items,
438 item_count(cui->main->ncm) + 1);
441 /* FIXME: need to make item visible somehow */
442 menu_driver(cui->main->ncm, REQ_SCR_UPAGE);
443 menu_driver(cui->main->ncm, REQ_SCR_DPAGE);
444 set_current_item(cui->main->ncm, selected);
446 if (cui->current == &cui->main->scr)
447 cui->current->post(cui->current);
453 * cui_device_remove - Client device remove callback.
455 * Removes all the menu_items for the device from the main menu and redraws the
456 * main menu if it is active.
459 static void cui_device_remove(struct device *dev, void *arg)
461 struct cui *cui = cui_from_arg(arg);
463 struct boot_option *opt;
465 pb_log("%s: %p %s\n", __func__, dev, dev->id);
467 if (cui->current == &cui->main->scr)
468 cui->current->unpost(cui->current);
470 /* This disconnects items array from menu. */
472 result = set_menu_items(cui->main->ncm, NULL);
475 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
477 list_for_each_entry(&dev->boot_options, opt, list) {
478 struct pmenu_item *i = pmenu_item_from_arg(opt->ui_info);
479 struct cui_opt_data *cod = cod_from_item(i);
481 assert(pb_protocol_device_cmp(dev, cod->dev));
482 pmenu_remove(cui->main, i);
484 /* If this is the default_item disable timer. */
486 if (cod->opt_hash == cui->default_item)
487 ui_timer_disable(&cui->timer);
490 /* Re-attach the items array. */
492 result = set_menu_items(cui->main->ncm, cui->main->items);
495 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
498 pb_log("%s\n", __func__);
499 pmenu_dump_items(cui->main->items,
500 item_count(cui->main->ncm) + 1);
503 if (cui->current == &cui->main->scr)
504 cui->current->post(cui->current);
507 static struct discover_client_ops cui_client_ops = {
508 .device_add = cui_device_add,
509 .device_remove = cui_device_remove,
513 * cui_init - Setup the cui instance.
514 * @platform_info: A value for the struct cui platform_info member.
516 * Returns a pointer to a struct cui on success, or NULL on error.
518 * Allocates the cui instance, sets up the client and stdin waiters, and
519 * sets up the ncurses menu screen.
522 struct cui *cui_init(void* platform_info,
523 int (*js_map)(const struct js_event *e), int start_deamon, int dry_run)
528 cui = talloc_zero(NULL, struct cui);
531 pb_log("%s: alloc cui failed.\n", __func__);
532 fprintf(stderr, "%s: alloc cui failed.\n", __func__);
536 cui->c_sig = pb_cui_sig;
537 cui->platform_info = platform_info;
538 cui->timer.handle_timeout = cui_handle_timeout;
539 cui->dry_run = dry_run;
540 cui->waitset = waitset_create(cui);
542 /* Loop here for scripts that just started the server. */
545 for (i = start_deamon ? 2 : 10; i; i--) {
546 cui->client = discover_client_init(cui->waitset,
547 &cui_client_ops, cui);
548 if (cui->client || !i)
550 pb_log("%s: waiting for server %d\n", __func__, i);
554 if (!cui->client && start_deamon) {
559 result = pb_start_daemon();
564 pb_log("%s: discover_client_init failed.\n", __func__);
565 fprintf(stderr, "%s: error: discover_client_init failed.\n",
567 fprintf(stderr, "could not start pb-discover, the petitboot "
569 goto fail_client_init;
573 pb_log("%s: discover_client_init failed.\n", __func__);
574 fprintf(stderr, "%s: error: discover_client_init failed.\n",
576 fprintf(stderr, "check that pb-discover, "
577 "the petitboot daemon is running.\n");
578 goto fail_client_init;
584 waiter_register(cui->waitset, STDIN_FILENO, WAIT_IN,
585 cui_process_key, cui);
589 cui->pjs = pjs_init(cui, js_map);
592 waiter_register(cui->waitset, pjs_get_fd(cui->pjs),
593 WAIT_IN, cui_process_js, cui);
605 * cui_run - The main cui program loop.
606 * @cui: The cui instance.
607 * @main: The menu to use as the main menu.
609 * Runs the cui engine. Does not return until indicated to do so by some
610 * user action, or an error occurs. Frees the cui object on return.
611 * Returns 0 on success (return to shell), -1 on error (should restart).
614 int cui_run(struct cui *cui, struct pmenu *main, unsigned int default_item)
619 cui->current = &cui->main->scr;
620 cui->default_item = default_item;
622 cui->current->post(cui->current);
625 int result = waiter_poll(cui->waitset);
627 if (result < 0 && errno != EINTR) {
628 pb_log("%s: poll: %s\n", __func__, strerror(errno));
635 ui_timer_process_sig(&cui->timer);
637 while (cui->resize) {
639 cui_handle_resize(cui);
645 return cui->abort ? 0 : -1;