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
28 #include <sys/ioctl.h>
31 #include "pb-protocol/pb-protocol.h"
32 #include "talloc/talloc.h"
33 #include "waiter/waiter.h"
34 #include "ui/common/discover-client.h"
37 static struct cui_opt_data *cod_from_item(struct pmenu_item *item)
43 * cui_abort - Signal the main cui program loop to exit.
45 * Sets cui.abort, which causes the cui_run() routine to return.
48 void cui_abort(struct cui *cui)
50 pb_log("%s: exiting\n", __func__);
55 * cui_resize - Signal the main cui program loop to resize
60 void cui_resize(struct cui *cui)
62 pb_log("%s: resizing\n", __func__);
67 * cui_on_exit - A generic main menu ESC callback.
70 void cui_on_exit(struct pmenu *menu)
72 cui_abort(cui_from_pmenu(menu));
76 * cui_run_cmd - A generic cb to run the supplied command.
79 int cui_run_cmd(struct pmenu_item *item)
82 struct cui *cui = cui_from_item(item);
83 const char *const *cmd_argv = item->data;
85 nc_scr_status_printf(cui->current, "Running %s...", cmd_argv[0]);
89 result = pb_run_cmd(cmd_argv, 1, 0);
92 redrawwin(cui->current->main_ncw);
95 pb_log("%s: failed: '%s'\n", __func__, cmd_argv[0]);
96 nc_scr_status_printf(cui->current, "Failed: %s", cmd_argv[0]);
103 * cui_boot - A generic cb to run kexec.
106 static int cui_boot(struct pmenu_item *item)
109 struct cui *cui = cui_from_item(item);
110 struct cui_opt_data *cod = cod_from_item(item);
112 assert(cui->current == &cui->main->scr);
114 pb_log("%s: %s\n", __func__, cod->name);
116 pb_log("%s: missing opt?\n", __func__);
120 nc_scr_status_printf(cui->current, "Booting %s...", cod->name);
124 result = discover_client_boot(cui->client, NULL, cod->opt, cod->bd);
127 redrawwin(cui->current->main_ncw);
130 nc_scr_status_printf(cui->current,
131 "Failed: boot %s", cod->bd->image);
138 * cui_boot_editor_on_exit - The boot_editor on_exit callback.
141 static void cui_boot_editor_on_exit(struct boot_editor *boot_editor, enum boot_editor_result boot_editor_result,
142 struct pb_boot_data *bd)
144 struct cui *cui = cui_from_arg(boot_editor->scr.ui_ctx);
146 if (boot_editor_result == boot_editor_update) {
147 struct pmenu_item *i = pmenu_find_selected(cui->main);
148 struct cui_opt_data *cod = cod_from_item(i);
153 talloc_free(cod->bd);
156 pmenu_item_replace(i, cod->name);
158 /* FIXME: need to make item visible somehow */
159 set_current_item(cui->main->ncm, i->nci);
161 pb_log("%s: updating opt '%s'\n", __func__, cod->name);
162 pb_log(" image '%s'\n", cod->bd->image);
163 pb_log(" initrd '%s'\n", cod->bd->initrd);
164 pb_log(" dtb '%s'\n", cod->bd->dtb);
165 pb_log(" args '%s'\n", cod->bd->args);
168 cui_set_current(cui, &cui->main->scr);
170 talloc_free(boot_editor);
173 int cui_boot_editor_run(struct pmenu_item *item)
175 struct cui *cui = cui_from_item(item);
176 struct cui_opt_data *cod = cod_from_item(item);
177 struct boot_editor *boot_editor;
179 boot_editor = boot_editor_init(cui, cod->bd, cui_boot_editor_on_exit);
180 cui_set_current(cui, &boot_editor->scr);
186 * cui_set_current - Set the currently active screen and redraw it.
189 struct nc_scr *cui_set_current(struct cui *cui, struct nc_scr *scr)
193 DBGS("%p -> %p\n", cui->current, scr);
195 assert(cui->current != scr);
201 cui->current->post(cui->current);
206 static bool process_global_keys(struct cui *cui, int key)
210 if (cui->current && cui->current->main_ncw) {
211 redrawwin(cui->current->main_ncw);
212 wrefresh(cui->current->main_ncw);
220 * cui_process_key - Process input on stdin.
223 static int cui_process_key(void *arg)
225 struct cui *cui = cui_from_arg(arg);
227 assert(cui->current);
230 discover_client_cancel_default(cui->client);
231 cui->has_input = true;
239 if (process_global_keys(cui, c))
242 cui->current->process_key(cui->current, c);
249 * cui_process_js - Process joystick events.
252 static int cui_process_js(void *arg)
254 struct cui *cui = cui_from_arg(arg);
257 c = pjs_process_event(cui->pjs);
261 cui_process_key(arg);
268 * cui_handle_resize - Handle the term resize.
271 static void cui_handle_resize(struct cui *cui)
275 if (ioctl(1, TIOCGWINSZ, &ws) == -1) {
276 pb_log("%s: ioctl failed: %s\n", __func__, strerror(errno));
280 pb_log("%s: {%u,%u}\n", __func__, ws.ws_row, ws.ws_col);
282 wclear(cui->current->main_ncw);
283 resize_term(ws.ws_row, ws.ws_col);
284 cui->current->resize(cui->current);
286 /* For some reason this makes ncurses redraw the screen */
288 redrawwin(cui->current->main_ncw);
289 wrefresh(cui->current->main_ncw);
293 * cui_on_open - Open new item callback.
296 void cui_on_open(struct pmenu *menu)
298 unsigned int insert_pt;
299 struct pmenu_item *i;
300 struct cui_opt_data *cod;
302 menu->scr.unpost(&menu->scr);
304 /* This disconnects items array from menu. */
306 set_menu_items(menu->ncm, NULL);
308 /* Insert new items at insert_pt. */
310 insert_pt = pmenu_grow(menu, 1);
311 i = pmenu_item_alloc(menu);
313 i->on_edit = cui_boot_editor_run;
314 i->on_execute = cui_boot;
315 i->data = cod = talloc_zero(i, struct cui_opt_data);
317 cod->name = talloc_asprintf(i, "User item %u:", insert_pt);
318 cod->bd = talloc_zero(i, struct pb_boot_data);
320 pmenu_item_setup(menu, i, insert_pt, talloc_strdup(i, cod->name));
322 /* Re-attach the items array. */
324 set_menu_items(menu->ncm, menu->items);
326 menu->scr.post(&menu->scr);
327 set_current_item(menu->ncm, i->nci);
333 * cui_device_add - Client device_add callback.
335 * Creates menu_items for all the device boot_options and inserts those
336 * menu_items into the main menu. Redraws the main menu if it is active.
339 static int cui_boot_option_add(struct device *dev, struct boot_option *opt,
342 struct cui *cui = cui_from_arg(arg);
343 struct cui_opt_data *cod;
344 unsigned int insert_pt;
345 struct pmenu_item *i;
349 pb_log("%s: %p %s\n", __func__, opt, opt->id);
351 selected = current_item(cui->main->ncm);
353 if (cui->current == &cui->main->scr)
354 cui->current->unpost(cui->current);
356 /* This disconnects items array from menu. */
358 result = set_menu_items(cui->main->ncm, NULL);
361 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
363 /* Insert new items at insert_pt. */
364 insert_pt = pmenu_grow(cui->main, 1);
366 /* Save the item in opt->ui_info for cui_device_remove() */
368 opt->ui_info = i = pmenu_item_alloc(cui->main);
370 i->on_edit = cui_boot_editor_run;
371 i->on_execute = cui_boot;
372 i->data = cod = talloc(i, struct cui_opt_data);
376 cod->opt_hash = pb_opt_hash(dev, opt);
377 cod->name = opt->name;
378 cod->bd = talloc(i, struct pb_boot_data);
380 cod->bd->image = talloc_strdup(cod->bd, opt->boot_image_file);
381 cod->bd->initrd = talloc_strdup(cod->bd, opt->initrd_file);
382 cod->bd->dtb = talloc_strdup(cod->bd, opt->dtb_file);
383 cod->bd->args = talloc_strdup(cod->bd, opt->boot_args);
385 pmenu_item_setup(cui->main, i, insert_pt, cod->name);
387 pb_log("%s: adding opt '%s'\n", __func__, cod->name);
388 pb_log(" image '%s'\n", cod->bd->image);
389 pb_log(" initrd '%s'\n", cod->bd->initrd);
390 pb_log(" args '%s'\n", cod->bd->args);
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);
443 assert(pb_protocol_device_cmp(dev, cod_from_item(i)->dev));
444 pmenu_remove(cui->main, i);
447 /* Re-attach the items array. */
449 result = set_menu_items(cui->main->ncm, cui->main->items);
452 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
455 pb_log("%s\n", __func__);
456 pmenu_dump_items(cui->main->items,
457 item_count(cui->main->ncm) + 1);
460 if (cui->current == &cui->main->scr)
461 cui->current->post(cui->current);
464 static void cui_update_status(struct boot_status *status, void *arg)
466 struct cui *cui = cui_from_arg(arg);
468 nc_scr_status_printf(cui->current,
470 status->type == BOOT_STATUS_ERROR ? "Error" : "Info",
475 static struct discover_client_ops cui_client_ops = {
477 .boot_option_add = cui_boot_option_add,
478 .device_remove = cui_device_remove,
479 .update_status = cui_update_status,
483 * cui_init - Setup the cui instance.
484 * @platform_info: A value for the struct cui platform_info member.
486 * Returns a pointer to a struct cui on success, or NULL on error.
488 * Allocates the cui instance, sets up the client and stdin waiters, and
489 * sets up the ncurses menu screen.
492 struct cui *cui_init(void* platform_info,
493 int (*js_map)(const struct js_event *e), int start_deamon)
498 cui = talloc_zero(NULL, struct cui);
501 pb_log("%s: alloc cui failed.\n", __func__);
502 fprintf(stderr, "%s: alloc cui failed.\n", __func__);
506 cui->c_sig = pb_cui_sig;
507 cui->platform_info = platform_info;
508 cui->waitset = waitset_create(cui);
510 setlocale(LC_ALL, "");
512 /* Loop here for scripts that just started the server. */
515 for (i = start_deamon ? 2 : 10; i; i--) {
516 cui->client = discover_client_init(cui->waitset,
517 &cui_client_ops, cui);
518 if (cui->client || !i)
520 pb_log("%s: waiting for server %d\n", __func__, i);
524 if (!cui->client && start_deamon) {
529 result = pb_start_daemon();
534 pb_log("%s: discover_client_init failed.\n", __func__);
535 fprintf(stderr, "%s: error: discover_client_init failed.\n",
537 fprintf(stderr, "could not start pb-discover, the petitboot "
539 goto fail_client_init;
543 pb_log("%s: discover_client_init failed.\n", __func__);
544 fprintf(stderr, "%s: error: discover_client_init failed.\n",
546 fprintf(stderr, "check that pb-discover, "
547 "the petitboot daemon is running.\n");
548 goto fail_client_init;
554 waiter_register_io(cui->waitset, STDIN_FILENO, WAIT_IN,
555 cui_process_key, cui);
559 cui->pjs = pjs_init(cui, js_map);
562 waiter_register_io(cui->waitset, pjs_get_fd(cui->pjs),
563 WAIT_IN, cui_process_js, cui);
575 * cui_run - The main cui program loop.
576 * @cui: The cui instance.
577 * @main: The menu to use as the main menu.
579 * Runs the cui engine. Does not return until indicated to do so by some
580 * user action, or an error occurs. Frees the cui object on return.
581 * Returns 0 on success (return to shell), -1 on error (should restart).
584 int cui_run(struct cui *cui, struct pmenu *main, unsigned int default_item)
589 cui->current = &cui->main->scr;
590 cui->default_item = default_item;
592 cui->current->post(cui->current);
595 int result = waiter_poll(cui->waitset);
597 if (result < 0 && errno != EINTR) {
598 pb_log("%s: poll: %s\n", __func__, strerror(errno));
605 while (cui->resize) {
607 cui_handle_resize(cui);
613 return cui->abort ? 0 : -1;