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 "pb-protocol/pb-protocol.h"
29 #include "talloc/talloc.h"
30 #include "waiter/waiter.h"
31 #include "ui/common/discover-client.h"
34 static struct cui_opt_data *cod_from_item(struct pmenu_item *item)
40 * cui_abort - Signal the main cui program loop to exit.
42 * Sets cui.abort, which causes the cui_run() routine to return.
45 void cui_abort(struct cui *cui)
47 pb_log("%s: exiting\n", __func__);
52 * cui_resize - Signal the main cui program loop to resize
57 void cui_resize(struct cui *cui)
59 pb_log("%s: resizing\n", __func__);
64 * cui_on_exit - A generic main menu ESC callback.
67 void cui_on_exit(struct pmenu *menu)
69 cui_abort(cui_from_pmenu(menu));
73 * cui_run_cmd - A generic cb to run the supplied command.
76 int cui_run_cmd(struct pmenu_item *item)
79 struct cui *cui = cui_from_item(item);
80 const char *const *cmd_argv = item->data;
82 nc_scr_status_printf(cui->current, "Running %s...", cmd_argv[0]);
86 result = pb_run_cmd(cmd_argv, 1, 0);
89 redrawwin(cui->current->main_ncw);
92 pb_log("%s: failed: '%s'\n", __func__, cmd_argv[0]);
93 nc_scr_status_printf(cui->current, "Failed: %s", cmd_argv[0]);
100 * cui_boot - A generic cb to run kexec.
103 static int cui_boot(struct pmenu_item *item)
106 struct cui *cui = cui_from_item(item);
107 struct cui_opt_data *cod = cod_from_item(item);
109 assert(cui->current == &cui->main->scr);
111 pb_log("%s: %s\n", __func__, cod->name);
113 pb_log("%s: missing opt?\n", __func__);
117 nc_scr_status_printf(cui->current, "Booting %s...", cod->name);
121 result = discover_client_boot(cui->client, NULL, cod->opt, cod->bd);
124 redrawwin(cui->current->main_ncw);
127 nc_scr_status_printf(cui->current,
128 "Failed: boot %s", cod->bd->image);
135 * cui_boot_editor_on_exit - The boot_editor on_exit callback.
138 static void cui_boot_editor_on_exit(struct boot_editor *boot_editor, enum boot_editor_result boot_editor_result,
139 struct pb_boot_data *bd)
141 struct cui *cui = cui_from_arg(boot_editor->scr.ui_ctx);
143 if (boot_editor_result == boot_editor_update) {
144 struct pmenu_item *i = pmenu_find_selected(cui->main);
145 struct cui_opt_data *cod = cod_from_item(i);
150 talloc_free(cod->bd);
153 pmenu_item_replace(i, cod->name);
155 /* FIXME: need to make item visible somehow */
156 set_current_item(cui->main->ncm, i->nci);
158 pb_log("%s: updating opt '%s'\n", __func__, cod->name);
159 pb_log(" image '%s'\n", cod->bd->image);
160 pb_log(" initrd '%s'\n", cod->bd->initrd);
161 pb_log(" args '%s'\n", cod->bd->args);
164 cui_set_current(cui, &cui->main->scr);
166 talloc_free(boot_editor);
169 int cui_boot_editor_run(struct pmenu_item *item)
171 struct cui *cui = cui_from_item(item);
172 struct cui_opt_data *cod = cod_from_item(item);
173 struct boot_editor *boot_editor;
175 boot_editor = boot_editor_init(cui, cod->bd, cui_boot_editor_on_exit);
176 cui_set_current(cui, &boot_editor->scr);
182 * cui_set_current - Set the currently active screen and redraw it.
185 struct nc_scr *cui_set_current(struct cui *cui, struct nc_scr *scr)
189 DBGS("%p -> %p\n", cui->current, scr);
191 assert(cui->current != scr);
197 cui->current->post(cui->current);
203 * cui_process_key - Process input on stdin.
206 static int cui_process_key(void *arg)
208 struct cui *cui = cui_from_arg(arg);
210 assert(cui->current);
212 ui_timer_disable(&cui->timer);
219 cui->current->process_key(cui->current, c);
226 * cui_process_js - Process joystick events.
229 static int cui_process_js(void *arg)
231 struct cui *cui = cui_from_arg(arg);
234 c = pjs_process_event(cui->pjs);
238 cui_process_key(arg);
245 * cui_handle_timeout - Handle the timeout.
248 static void cui_handle_timeout(struct ui_timer *timer)
250 struct cui *cui = cui_from_timer(timer);
251 struct pmenu_item *i = pmenu_find_selected(cui->main);
255 struct cui_opt_data *cod = cod_from_item(i);
256 assert(cod && (cod->opt_hash == cui->default_item));
263 * cui_handle_resize - Handle the term resize.
266 static void cui_handle_resize(struct cui *cui)
270 if (ioctl(1, TIOCGWINSZ, &ws) == -1) {
271 pb_log("%s: ioctl failed: %s\n", __func__, strerror(errno));
275 pb_log("%s: {%u,%u}\n", __func__, ws.ws_row, ws.ws_col);
277 wclear(cui->current->main_ncw);
278 resize_term(ws.ws_row, ws.ws_col);
279 cui->current->resize(cui->current);
281 /* For some reason this makes ncurses redraw the screen */
283 redrawwin(cui->current->main_ncw);
284 wrefresh(cui->current->main_ncw);
288 * cui_on_open - Open new item callback.
291 void cui_on_open(struct pmenu *menu)
293 unsigned int insert_pt;
294 struct pmenu_item *i;
295 struct cui_opt_data *cod;
297 menu->scr.unpost(&menu->scr);
299 /* This disconnects items array from menu. */
301 set_menu_items(menu->ncm, NULL);
303 /* Insert new items at insert_pt. */
305 insert_pt = pmenu_grow(menu, 1);
306 i = pmenu_item_alloc(menu);
308 i->on_edit = cui_boot_editor_run;
309 i->on_execute = cui_boot;
310 i->data = cod = talloc_zero(i, struct cui_opt_data);
312 cod->name = talloc_asprintf(i, "User item %u:", insert_pt);
313 cod->bd = talloc_zero(i, struct pb_boot_data);
315 pmenu_item_setup(menu, i, insert_pt, talloc_strdup(i, cod->name));
317 /* Re-attach the items array. */
319 set_menu_items(menu->ncm, menu->items);
321 menu->scr.post(&menu->scr);
322 set_current_item(menu->ncm, i->nci);
328 * cui_device_add - Client device_add callback.
330 * Creates menu_items for all the device boot_options and inserts those
331 * menu_items into the main menu. Redraws the main menu if it is active.
334 static int cui_boot_option_add(struct device *dev, struct boot_option *opt,
337 struct cui *cui = cui_from_arg(arg);
338 struct cui_opt_data *cod;
339 unsigned int insert_pt;
340 struct pmenu_item *i;
344 pb_log("%s: %p %s\n", __func__, opt, opt->id);
346 selected = current_item(cui->main->ncm);
348 if (cui->current == &cui->main->scr)
349 cui->current->unpost(cui->current);
351 /* This disconnects items array from menu. */
353 result = set_menu_items(cui->main->ncm, NULL);
356 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
358 /* Insert new items at insert_pt. */
359 insert_pt = pmenu_grow(cui->main, 1);
361 /* Save the item in opt->ui_info for cui_device_remove() */
363 opt->ui_info = i = pmenu_item_alloc(cui->main);
365 i->on_edit = cui_boot_editor_run;
366 i->on_execute = cui_boot;
367 i->data = cod = talloc(i, struct cui_opt_data);
371 cod->opt_hash = pb_opt_hash(dev, opt);
372 cod->name = opt->name;
373 cod->bd = talloc(i, struct pb_boot_data);
375 cod->bd->image = talloc_strdup(cod->bd, opt->boot_image_file);
376 cod->bd->initrd = talloc_strdup(cod->bd, opt->initrd_file);
377 cod->bd->args = talloc_strdup(cod->bd, opt->boot_args);
379 pmenu_item_setup(cui->main, i, insert_pt, cod->name);
381 pb_log("%s: adding opt '%s'\n", __func__, cod->name);
382 pb_log(" image '%s'\n", cod->bd->image);
383 pb_log(" initrd '%s'\n", cod->bd->initrd);
384 pb_log(" args '%s'\n", cod->bd->args);
386 /* If this is the default_item select it and start timer. */
387 if (cod->opt_hash == cui->default_item) {
389 ui_timer_kick(&cui->timer);
392 /* Re-attach the items array. */
393 result = set_menu_items(cui->main->ncm, cui->main->items);
396 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
399 pb_log("%s\n", __func__);
400 pmenu_dump_items(cui->main->items,
401 item_count(cui->main->ncm) + 1);
404 /* FIXME: need to make item visible somehow */
405 menu_driver(cui->main->ncm, REQ_SCR_UPAGE);
406 menu_driver(cui->main->ncm, REQ_SCR_DPAGE);
407 set_current_item(cui->main->ncm, selected);
409 if (cui->current == &cui->main->scr)
410 cui->current->post(cui->current);
416 * cui_device_remove - Client device remove callback.
418 * Removes all the menu_items for the device from the main menu and redraws the
419 * main menu if it is active.
422 static void cui_device_remove(struct device *dev, void *arg)
424 struct cui *cui = cui_from_arg(arg);
426 struct boot_option *opt;
428 pb_log("%s: %p %s\n", __func__, dev, dev->id);
430 if (cui->current == &cui->main->scr)
431 cui->current->unpost(cui->current);
433 /* This disconnects items array from menu. */
435 result = set_menu_items(cui->main->ncm, NULL);
438 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
440 list_for_each_entry(&dev->boot_options, opt, list) {
441 struct pmenu_item *i = pmenu_item_from_arg(opt->ui_info);
442 struct cui_opt_data *cod = cod_from_item(i);
444 assert(pb_protocol_device_cmp(dev, cod->dev));
445 pmenu_remove(cui->main, i);
447 /* If this is the default_item disable timer. */
449 if (cod->opt_hash == cui->default_item)
450 ui_timer_disable(&cui->timer);
453 /* Re-attach the items array. */
455 result = set_menu_items(cui->main->ncm, cui->main->items);
458 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
461 pb_log("%s\n", __func__);
462 pmenu_dump_items(cui->main->items,
463 item_count(cui->main->ncm) + 1);
466 if (cui->current == &cui->main->scr)
467 cui->current->post(cui->current);
470 static void cui_update_status(struct boot_status *status, void *arg)
472 struct cui *cui = cui_from_arg(arg);
474 nc_scr_status_printf(cui->current,
476 status->type == BOOT_STATUS_ERROR ? "Error" : "Info",
481 static struct discover_client_ops cui_client_ops = {
483 .boot_option_add = cui_boot_option_add,
484 .device_remove = cui_device_remove,
485 .update_status = cui_update_status,
489 * cui_init - Setup the cui instance.
490 * @platform_info: A value for the struct cui platform_info member.
492 * Returns a pointer to a struct cui on success, or NULL on error.
494 * Allocates the cui instance, sets up the client and stdin waiters, and
495 * sets up the ncurses menu screen.
498 struct cui *cui_init(void* platform_info,
499 int (*js_map)(const struct js_event *e), int start_deamon)
504 cui = talloc_zero(NULL, struct cui);
507 pb_log("%s: alloc cui failed.\n", __func__);
508 fprintf(stderr, "%s: alloc cui failed.\n", __func__);
512 cui->c_sig = pb_cui_sig;
513 cui->platform_info = platform_info;
514 cui->timer.handle_timeout = cui_handle_timeout;
515 cui->waitset = waitset_create(cui);
517 /* Loop here for scripts that just started the server. */
520 for (i = start_deamon ? 2 : 10; i; i--) {
521 cui->client = discover_client_init(cui->waitset,
522 &cui_client_ops, cui);
523 if (cui->client || !i)
525 pb_log("%s: waiting for server %d\n", __func__, i);
529 if (!cui->client && start_deamon) {
534 result = pb_start_daemon();
539 pb_log("%s: discover_client_init failed.\n", __func__);
540 fprintf(stderr, "%s: error: discover_client_init failed.\n",
542 fprintf(stderr, "could not start pb-discover, the petitboot "
544 goto fail_client_init;
548 pb_log("%s: discover_client_init failed.\n", __func__);
549 fprintf(stderr, "%s: error: discover_client_init failed.\n",
551 fprintf(stderr, "check that pb-discover, "
552 "the petitboot daemon is running.\n");
553 goto fail_client_init;
559 waiter_register(cui->waitset, STDIN_FILENO, WAIT_IN,
560 cui_process_key, cui);
564 cui->pjs = pjs_init(cui, js_map);
567 waiter_register(cui->waitset, pjs_get_fd(cui->pjs),
568 WAIT_IN, cui_process_js, cui);
580 * cui_run - The main cui program loop.
581 * @cui: The cui instance.
582 * @main: The menu to use as the main menu.
584 * Runs the cui engine. Does not return until indicated to do so by some
585 * user action, or an error occurs. Frees the cui object on return.
586 * Returns 0 on success (return to shell), -1 on error (should restart).
589 int cui_run(struct cui *cui, struct pmenu *main, unsigned int default_item)
594 cui->current = &cui->main->scr;
595 cui->default_item = default_item;
597 cui->current->post(cui->current);
600 int result = waiter_poll(cui->waitset);
602 if (result < 0 && errno != EINTR) {
603 pb_log("%s: poll: %s\n", __func__, strerror(errno));
610 ui_timer_process_sig(&cui->timer);
612 while (cui->resize) {
614 cui_handle_resize(cui);
620 return cui->abort ? 0 : -1;