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_on_exit - A generic main menu ESC callback.
66 void cui_on_exit(struct pmenu *menu)
68 cui_abort(cui_from_pmenu(menu));
72 * cui_run_cmd - A generic cb to run the supplied command.
75 int cui_run_cmd(struct pmenu_item *item)
78 struct cui *cui = cui_from_item(item);
79 const char *const *cmd_argv = item->data;
81 nc_scr_status_printf(cui->current, "Running %s...", cmd_argv[0]);
85 result = pb_run_cmd(cmd_argv);
88 redrawwin(cui->current->main_ncw);
91 pb_log("%s: failed: '%s'\n", __func__, cmd_argv[0]);
92 nc_scr_status_printf(cui->current, "Failed: %s", cmd_argv[0]);
99 * cui_run_kexec - A generic cb to run kexec.
102 static int cui_run_kexec(struct pmenu_item *item)
105 struct cui *cui = cui_from_item(item);
106 struct cui_opt_data *cod = cod_from_item(item);
108 assert(cui->current == &cui->main->scr);
109 assert(cui->on_kexec);
111 pb_log("%s: %s\n", __func__, cod->name);
112 nc_scr_status_printf(cui->current, "Booting %s...", cod->name);
116 result = cui->on_kexec(cui, cod);
119 redrawwin(cui->current->main_ncw);
123 mvaddstr(1, 0, "system is going down now...");
128 pb_log("%s: failed: %s\n", __func__, cod->kd->image);
129 nc_scr_status_printf(cui->current, "Failed: kexec %s", cod->kd->image);
135 * cui_ked_on_exit - The ked on_exit callback.
138 static void cui_ked_on_exit(struct ked *ked, enum ked_result ked_result,
139 struct pb_kexec_data *kd)
141 struct cui *cui = cui_from_arg(ked->scr.ui_ctx);
143 if (ked_result == ked_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->kd);
153 pb_log("%s: updating opt '%s'\n", __func__, cod->name);
154 pb_log(" image '%s'\n", cod->kd->image);
155 pb_log(" initrd '%s'\n", cod->kd->initrd);
156 pb_log(" args '%s'\n", cod->kd->args);
159 cui_set_current(cui, &cui->main->scr);
164 int cui_ked_run(struct pmenu_item *item)
166 struct cui *cui = cui_from_item(item);
169 ked = ked_init(cui, cod_from_item(item)->kd, cui_ked_on_exit);
171 cui_set_current(cui, &ked->scr);
177 * cui_set_current - Set the currently active screen and redraw it.
180 struct nc_scr *cui_set_current(struct cui *cui, struct nc_scr *scr)
184 DBGS("%p -> %p\n", cui->current, scr);
186 assert(cui->current != scr);
192 cui->current->post(cui->current);
197 static int cui_process_key(void *arg)
199 struct cui *cui = cui_from_arg(arg);
201 assert(cui->current);
203 ui_timer_disable(&cui->timer);
204 cui->current->process_key(cui->current);
210 * cui_client_process_socket - Process a socket event from the discover server.
213 static int cui_client_process_socket(void *arg)
215 struct discover_client *client = arg;
217 discover_client_process(client);
222 * cui_handle_timeout - Handle the timeout.
225 static void cui_handle_timeout(struct ui_timer *timer)
227 struct cui *cui = cui_from_timer(timer);
228 struct pmenu_item *i = pmenu_find_selected(cui->main);
232 struct cui_opt_data *cod = cod_from_item(i);
233 assert(cod && (cod->opt_hash == cui->default_item));
240 * cui_handle_resize - Handle the term resize.
243 static void cui_handle_resize(struct cui *cui)
247 if (ioctl(1, TIOCGWINSZ, &ws) == -1) {
248 pb_log("%s: ioctl failed: %s\n", __func__, strerror(errno));
252 pb_log("%s: {%u,%u}\n", __func__, ws.ws_row, ws.ws_col);
254 wclear(cui->current->main_ncw);
255 resize_term(ws.ws_row, ws.ws_col);
256 cui->current->resize(cui->current);
258 /* For some reason this makes ncurses redraw the screen */
260 redrawwin(cui->current->main_ncw);
261 wrefresh(cui->current->main_ncw);
265 * cui_on_open - Open new item callback.
268 void cui_on_open(struct pmenu *menu)
270 unsigned int insert_pt;
271 struct pmenu_item *i;
272 struct cui_opt_data *cod;
275 menu->scr.unpost(&menu->scr);
277 /* This disconnects items array from menu. */
279 set_menu_items(menu->ncm, NULL);
281 /* Insert new items at insert_pt. */
283 insert_pt = pmenu_grow(menu, 1);
284 i = pmenu_item_alloc(menu);
286 name = talloc_asprintf(i, "User item %u:", insert_pt);
287 pmenu_item_setup(menu, i, insert_pt, name);
289 i->on_edit = cui_ked_run;
290 i->on_execute = cui_run_kexec;
291 i->data = cod = talloc_zero(i, struct cui_opt_data);
293 cod->kd = talloc_zero(i, struct pb_kexec_data);
296 /* Re-attach the items array. */
298 set_menu_items(menu->ncm, menu->items);
300 set_current_item(menu->ncm, i->nci);
301 menu->scr.post(&menu->scr);
302 pos_menu_cursor(menu->ncm);
308 * cui_device_add - Client device_add callback.
310 * Creates menu_items for all the device boot_options and inserts those
311 * menu_items into the main menu. Redraws the main menu if it is active.
314 static int cui_device_add(struct device *dev, void *arg)
316 struct cui *cui = cui_from_arg(arg);
318 struct boot_option *opt;
319 unsigned int o_count; /* device opts */
320 unsigned int insert_pt;
323 pb_log("%s: %p %s\n", __func__, dev, dev->id);
325 selected = current_item(cui->main->ncm);
327 if (cui->current == &cui->main->scr)
328 cui->current->unpost(cui->current);
330 /* This disconnects items array from menu. */
332 result = set_menu_items(cui->main->ncm, NULL);
335 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
338 list_for_each_entry(&dev->boot_options, opt, list)
341 /* Insert new items at insert_pt. */
343 insert_pt = pmenu_grow(cui->main, o_count);
345 list_for_each_entry(&dev->boot_options, opt, list) {
346 struct pmenu_item *i;
347 struct cui_opt_data *cod;
350 /* Save the item in opt->ui_info for cui_device_remove() */
352 opt->ui_info = i = pmenu_item_alloc(cui->main);
354 name = talloc_asprintf(i, "%s: %s", opt->name,
357 pmenu_item_setup(cui->main, i, insert_pt, name);
359 i->on_edit = cui_ked_run;
360 i->on_execute = cui_run_kexec;
361 i->data = cod = talloc(i, struct cui_opt_data);
365 cod->opt_hash = pb_opt_hash(dev, opt);
366 cod->name = opt->name;
367 cod->kd = talloc(i, struct pb_kexec_data);
369 cod->kd->image = talloc_strdup(cod->kd, opt->boot_image_file);
370 cod->kd->initrd = talloc_strdup(cod->kd, opt->initrd_file);
371 cod->kd->args = talloc_strdup(cod->kd, opt->boot_args);
375 pb_log("%s: adding opt '%s'\n", __func__, cod->name);
376 pb_log(" image '%s'\n", cod->kd->image);
377 pb_log(" initrd '%s'\n", cod->kd->initrd);
378 pb_log(" args '%s'\n", cod->kd->args);
380 /* If this is the default_item select it and start timer. */
382 if (cod->opt_hash == cui->default_item) {
384 ui_timer_kick(&cui->timer);
388 /* Re-attach the items array. */
390 result = set_menu_items(cui->main->ncm, cui->main->items);
393 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
396 pb_log("%s\n", __func__);
397 pmenu_dump_items(cui->main->items,
398 item_count(cui->main->ncm) + 1);
401 /* FIXME: need to make item visible somehow */
402 menu_driver(cui->main->ncm, REQ_SCR_UPAGE);
403 menu_driver(cui->main->ncm, REQ_SCR_DPAGE);
404 set_current_item(cui->main->ncm, selected);
406 if (cui->current == &cui->main->scr)
407 cui->current->post(cui->current);
413 * cui_device_remove - Client device remove callback.
415 * Removes all the menu_items for the device from the main menu and redraws the
416 * main menu if it is active.
419 static void cui_device_remove(struct device *dev, void *arg)
421 struct cui *cui = cui_from_arg(arg);
423 struct boot_option *opt;
425 pb_log("%s: %p %s\n", __func__, dev, dev->id);
427 if (cui->current == &cui->main->scr)
428 cui->current->unpost(cui->current);
430 /* This disconnects items array from menu. */
432 result = set_menu_items(cui->main->ncm, NULL);
435 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
437 list_for_each_entry(&dev->boot_options, opt, list) {
438 struct pmenu_item *i = pmenu_item_from_arg(opt->ui_info);
439 struct cui_opt_data *cod = cod_from_item(i);
441 assert(pb_protocol_device_cmp(dev, cod->dev));
442 pmenu_remove(cui->main, i);
444 /* If this is the default_item disable timer. */
446 if (cod->opt_hash == cui->default_item)
447 ui_timer_disable(&cui->timer);
450 /* Re-attach the items array. */
452 result = set_menu_items(cui->main->ncm, cui->main->items);
455 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
458 pb_log("%s\n", __func__);
459 pmenu_dump_items(cui->main->items,
460 item_count(cui->main->ncm) + 1);
463 if (cui->current == &cui->main->scr)
464 cui->current->post(cui->current);
467 static struct discover_client_ops cui_client_ops = {
468 .device_add = cui_device_add,
469 .device_remove = cui_device_remove,
473 * cui_init - Setup the cui instance.
474 * @platform_info: A value for the struct cui platform_info member.
476 * Returns a pointer to a struct cui on success, or NULL on error.
478 * Allocates the cui instance, sets up the client and stdin waiters, and
479 * sets up the ncurses menu screen.
482 struct cui *cui_init(void* platform_info,
483 int (*on_kexec)(struct cui *, struct cui_opt_data *))
486 struct discover_client *client;
489 cui = talloc_zero(NULL, struct cui);
492 pb_log("%s: alloc cui failed.\n", __func__);
493 fprintf(stderr, "%s: alloc cui failed.\n", __func__);
497 cui->c_sig = pb_cui_sig;
498 cui->platform_info = platform_info;
499 cui->on_kexec = on_kexec;
500 cui->timer.handle_timeout = cui_handle_timeout;
502 /* Loop here for scripts that just started the server. */
504 for (i = 10; i; i--) {
505 client = discover_client_init(&cui_client_ops, cui);
508 pb_log("%s: waiting for server %d\n", __func__, i);
513 pb_log("%s: discover_client_init failed.\n", __func__);
514 fprintf(stderr, "%s: error: discover_client_init failed.\n",
516 fprintf(stderr, "check that pb-discover, "
517 "the petitboot daemon is running.\n");
518 goto fail_client_init;
524 waiter_register(discover_client_get_fd(client), WAIT_IN,
525 cui_client_process_socket, client);
527 waiter_register(STDIN_FILENO, WAIT_IN, cui_process_key, cui);
538 * cui_run - The main cui program loop.
539 * @cui: The cui instance.
540 * @main: The menu to use as the main menu.
542 * Runs the cui engine. Does not return until indicated to do so by some
543 * user action, or an error occurs. Frees the cui object on return.
544 * Returns 0 on success (return to shell), -1 on error (should restart).
547 int cui_run(struct cui *cui, struct pmenu *main, unsigned int default_item)
552 cui->current = &cui->main->scr;
553 cui->default_item = default_item;
555 cui->current->post(cui->current);
558 int result = waiter_poll();
560 if (result < 0 && errno != EINTR) {
561 pb_log("%s: poll: %s\n", __func__, strerror(errno));
568 ui_timer_process_sig(&cui->timer);
570 while (cui->resize) {
572 cui_handle_resize(cui);
578 return cui->abort ? 0 : -1;