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
26 #include <sys/ioctl.h>
29 #include "pb-protocol/pb-protocol.h"
30 #include "talloc/talloc.h"
31 #include "waiter/waiter.h"
32 #include "ui/common/discover-client.h"
35 static struct cui_opt_data *cod_from_item(struct pmenu_item *item)
41 * cui_abort - Signal the main cui program loop to exit.
43 * Sets cui.abort, which causes the cui_run() routine to return.
46 void cui_abort(struct cui *cui)
48 pb_log("%s: exiting\n", __func__);
53 * cui_resize - Signal the main cui program loop to resize
58 void cui_resize(struct cui *cui)
60 pb_log("%s: resizing\n", __func__);
65 * cui_on_exit - A generic main menu ESC callback.
68 void cui_on_exit(struct pmenu *menu)
70 cui_abort(cui_from_pmenu(menu));
74 * cui_run_cmd - A generic cb to run the supplied command.
77 int cui_run_cmd(struct pmenu_item *item)
80 struct cui *cui = cui_from_item(item);
81 const char *const *cmd_argv = item->data;
83 nc_scr_status_printf(cui->current, "Running %s...", cmd_argv[0]);
87 result = pb_run_cmd(cmd_argv, 1, 0);
90 redrawwin(cui->current->main_ncw);
93 pb_log("%s: failed: '%s'\n", __func__, cmd_argv[0]);
94 nc_scr_status_printf(cui->current, "Failed: %s", cmd_argv[0]);
101 * cui_boot - A generic cb to run kexec.
104 static int cui_boot(struct pmenu_item *item)
107 struct cui *cui = cui_from_item(item);
108 struct cui_opt_data *cod = cod_from_item(item);
110 assert(cui->current == &cui->main->scr);
112 pb_log("%s: %s\n", __func__, cod->name);
114 pb_log("%s: missing opt?\n", __func__);
118 nc_scr_status_printf(cui->current, "Booting %s...", cod->name);
122 result = discover_client_boot(cui->client, NULL, cod->opt, cod->bd);
125 redrawwin(cui->current->main_ncw);
128 nc_scr_status_printf(cui->current,
129 "Failed: boot %s", cod->bd->image);
136 * cui_boot_editor_on_exit - The boot_editor on_exit callback.
139 static void cui_boot_editor_on_exit(struct boot_editor *boot_editor, enum boot_editor_result boot_editor_result,
140 struct pb_boot_data *bd)
142 struct cui *cui = cui_from_arg(boot_editor->scr.ui_ctx);
144 if (boot_editor_result == boot_editor_update) {
145 struct pmenu_item *i = pmenu_find_selected(cui->main);
146 struct cui_opt_data *cod = cod_from_item(i);
151 talloc_free(cod->bd);
154 pmenu_item_replace(i, cod->name);
156 /* FIXME: need to make item visible somehow */
157 set_current_item(cui->main->ncm, i->nci);
159 pb_log("%s: updating opt '%s'\n", __func__, cod->name);
160 pb_log(" image '%s'\n", cod->bd->image);
161 pb_log(" initrd '%s'\n", cod->bd->initrd);
162 pb_log(" dtb '%s'\n", cod->bd->dtb);
163 pb_log(" args '%s'\n", cod->bd->args);
166 cui_set_current(cui, &cui->main->scr);
168 talloc_free(boot_editor);
171 int cui_boot_editor_run(struct pmenu_item *item)
173 struct cui *cui = cui_from_item(item);
174 struct cui_opt_data *cod = cod_from_item(item);
175 struct boot_editor *boot_editor;
177 boot_editor = boot_editor_init(cui, cod->bd, cui_boot_editor_on_exit);
178 cui_set_current(cui, &boot_editor->scr);
184 * cui_set_current - Set the currently active screen and redraw it.
187 struct nc_scr *cui_set_current(struct cui *cui, struct nc_scr *scr)
191 DBGS("%p -> %p\n", cui->current, scr);
193 assert(cui->current != scr);
199 cui->current->post(cui->current);
204 static bool process_global_keys(struct cui *cui, int key)
208 if (cui->current && cui->current->main_ncw) {
209 redrawwin(cui->current->main_ncw);
210 wrefresh(cui->current->main_ncw);
218 * cui_process_key - Process input on stdin.
221 static int cui_process_key(void *arg)
223 struct cui *cui = cui_from_arg(arg);
225 assert(cui->current);
228 discover_client_cancel_default(cui->client);
229 cui->has_input = true;
237 if (process_global_keys(cui, c))
240 cui->current->process_key(cui->current, c);
247 * cui_process_js - Process joystick events.
250 static int cui_process_js(void *arg)
252 struct cui *cui = cui_from_arg(arg);
255 c = pjs_process_event(cui->pjs);
259 cui_process_key(arg);
266 * cui_handle_resize - Handle the term resize.
269 static void cui_handle_resize(struct cui *cui)
273 if (ioctl(1, TIOCGWINSZ, &ws) == -1) {
274 pb_log("%s: ioctl failed: %s\n", __func__, strerror(errno));
278 pb_log("%s: {%u,%u}\n", __func__, ws.ws_row, ws.ws_col);
280 wclear(cui->current->main_ncw);
281 resize_term(ws.ws_row, ws.ws_col);
282 cui->current->resize(cui->current);
284 /* For some reason this makes ncurses redraw the screen */
286 redrawwin(cui->current->main_ncw);
287 wrefresh(cui->current->main_ncw);
291 * cui_on_open - Open new item callback.
294 void cui_on_open(struct pmenu *menu)
296 unsigned int insert_pt;
297 struct pmenu_item *i;
298 struct cui_opt_data *cod;
300 menu->scr.unpost(&menu->scr);
302 /* This disconnects items array from menu. */
304 set_menu_items(menu->ncm, NULL);
306 /* Insert new items at insert_pt. */
308 insert_pt = pmenu_grow(menu, 1);
309 i = pmenu_item_alloc(menu);
311 i->on_edit = cui_boot_editor_run;
312 i->on_execute = cui_boot;
313 i->data = cod = talloc_zero(i, struct cui_opt_data);
315 cod->name = talloc_asprintf(i, "User item %u:", insert_pt);
316 cod->bd = talloc_zero(i, struct pb_boot_data);
318 pmenu_item_setup(menu, i, insert_pt, talloc_strdup(i, cod->name));
320 /* Re-attach the items array. */
322 set_menu_items(menu->ncm, menu->items);
324 menu->scr.post(&menu->scr);
325 set_current_item(menu->ncm, i->nci);
331 * cui_device_add - Client device_add callback.
333 * Creates menu_items for all the device boot_options and inserts those
334 * menu_items into the main menu. Redraws the main menu if it is active.
337 static int cui_boot_option_add(struct device *dev, struct boot_option *opt,
340 struct cui *cui = cui_from_arg(arg);
341 struct cui_opt_data *cod;
342 unsigned int insert_pt;
343 struct pmenu_item *i;
347 pb_log("%s: %p %s\n", __func__, opt, opt->id);
349 selected = current_item(cui->main->ncm);
351 if (cui->current == &cui->main->scr)
352 cui->current->unpost(cui->current);
354 /* This disconnects items array from menu. */
356 result = set_menu_items(cui->main->ncm, NULL);
359 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
361 /* Insert new items at insert_pt. */
362 insert_pt = pmenu_grow(cui->main, 1);
364 /* Save the item in opt->ui_info for cui_device_remove() */
366 opt->ui_info = i = pmenu_item_alloc(cui->main);
368 i->on_edit = cui_boot_editor_run;
369 i->on_execute = cui_boot;
370 i->data = cod = talloc(i, struct cui_opt_data);
374 cod->opt_hash = pb_opt_hash(dev, opt);
375 cod->name = opt->name;
376 cod->bd = talloc(i, struct pb_boot_data);
378 cod->bd->image = talloc_strdup(cod->bd, opt->boot_image_file);
379 cod->bd->initrd = talloc_strdup(cod->bd, opt->initrd_file);
380 cod->bd->dtb = talloc_strdup(cod->bd, opt->dtb_file);
381 cod->bd->args = talloc_strdup(cod->bd, opt->boot_args);
383 pmenu_item_setup(cui->main, i, insert_pt, cod->name);
385 pb_log("%s: adding opt '%s'\n", __func__, cod->name);
386 pb_log(" image '%s'\n", cod->bd->image);
387 pb_log(" initrd '%s'\n", cod->bd->initrd);
388 pb_log(" args '%s'\n", cod->bd->args);
390 /* Re-attach the items array. */
391 result = set_menu_items(cui->main->ncm, cui->main->items);
394 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
397 pb_log("%s\n", __func__);
398 pmenu_dump_items(cui->main->items,
399 item_count(cui->main->ncm) + 1);
402 /* FIXME: need to make item visible somehow */
403 menu_driver(cui->main->ncm, REQ_SCR_UPAGE);
404 menu_driver(cui->main->ncm, REQ_SCR_DPAGE);
405 set_current_item(cui->main->ncm, selected);
407 if (cui->current == &cui->main->scr)
408 cui->current->post(cui->current);
414 * cui_device_remove - Client device remove callback.
416 * Removes all the menu_items for the device from the main menu and redraws the
417 * main menu if it is active.
420 static void cui_device_remove(struct device *dev, void *arg)
422 struct cui *cui = cui_from_arg(arg);
424 struct boot_option *opt;
426 pb_log("%s: %p %s\n", __func__, dev, dev->id);
428 if (cui->current == &cui->main->scr)
429 cui->current->unpost(cui->current);
431 /* This disconnects items array from menu. */
433 result = set_menu_items(cui->main->ncm, NULL);
436 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
438 list_for_each_entry(&dev->boot_options, opt, list) {
439 struct pmenu_item *i = pmenu_item_from_arg(opt->ui_info);
441 assert(pb_protocol_device_cmp(dev, cod_from_item(i)->dev));
442 pmenu_remove(cui->main, i);
445 /* Re-attach the items array. */
447 result = set_menu_items(cui->main->ncm, cui->main->items);
450 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
453 pb_log("%s\n", __func__);
454 pmenu_dump_items(cui->main->items,
455 item_count(cui->main->ncm) + 1);
458 if (cui->current == &cui->main->scr)
459 cui->current->post(cui->current);
462 static void cui_update_status(struct boot_status *status, void *arg)
464 struct cui *cui = cui_from_arg(arg);
466 nc_scr_status_printf(cui->current,
468 status->type == BOOT_STATUS_ERROR ? "Error" : "Info",
473 static struct discover_client_ops cui_client_ops = {
475 .boot_option_add = cui_boot_option_add,
476 .device_remove = cui_device_remove,
477 .update_status = cui_update_status,
481 * cui_init - Setup the cui instance.
482 * @platform_info: A value for the struct cui platform_info member.
484 * Returns a pointer to a struct cui on success, or NULL on error.
486 * Allocates the cui instance, sets up the client and stdin waiters, and
487 * sets up the ncurses menu screen.
490 struct cui *cui_init(void* platform_info,
491 int (*js_map)(const struct js_event *e), int start_deamon)
496 cui = talloc_zero(NULL, struct cui);
499 pb_log("%s: alloc cui failed.\n", __func__);
500 fprintf(stderr, "%s: alloc cui failed.\n", __func__);
504 cui->c_sig = pb_cui_sig;
505 cui->platform_info = platform_info;
506 cui->waitset = waitset_create(cui);
508 setlocale(LC_ALL, "");
510 /* Loop here for scripts that just started the server. */
513 for (i = start_deamon ? 2 : 10; i; i--) {
514 cui->client = discover_client_init(cui->waitset,
515 &cui_client_ops, cui);
516 if (cui->client || !i)
518 pb_log("%s: waiting for server %d\n", __func__, i);
522 if (!cui->client && start_deamon) {
527 result = pb_start_daemon();
532 pb_log("%s: discover_client_init failed.\n", __func__);
533 fprintf(stderr, "%s: error: discover_client_init failed.\n",
535 fprintf(stderr, "could not start pb-discover, the petitboot "
537 goto fail_client_init;
541 pb_log("%s: discover_client_init failed.\n", __func__);
542 fprintf(stderr, "%s: error: discover_client_init failed.\n",
544 fprintf(stderr, "check that pb-discover, "
545 "the petitboot daemon is running.\n");
546 goto fail_client_init;
552 waiter_register_io(cui->waitset, STDIN_FILENO, WAIT_IN,
553 cui_process_key, cui);
557 cui->pjs = pjs_init(cui, js_map);
560 waiter_register_io(cui->waitset, pjs_get_fd(cui->pjs),
561 WAIT_IN, cui_process_js, cui);
573 * cui_run - The main cui program loop.
574 * @cui: The cui instance.
575 * @main: The menu to use as the main menu.
577 * Runs the cui engine. Does not return until indicated to do so by some
578 * user action, or an error occurs. Frees the cui object on return.
579 * Returns 0 on success (return to shell), -1 on error (should restart).
582 int cui_run(struct cui *cui, struct pmenu *main, unsigned int default_item)
587 cui->current = &cui->main->scr;
588 cui->default_item = default_item;
590 cui->current->post(cui->current);
593 int result = waiter_poll(cui->waitset);
595 if (result < 0 && errno != EINTR) {
596 pb_log("%s: poll: %s\n", __func__, strerror(errno));
603 while (cui->resize) {
605 cui_handle_resize(cui);
611 return cui->abort ? 0 : -1;