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->kd->image);
81 name = talloc_asprintf_append(name, " initrd=%s",
85 name = talloc_asprintf_append(name, " %s", cod->kd->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);
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_run_kexec - A generic cb to run kexec.
131 static int cui_run_kexec(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);
138 assert(cui->on_kexec);
140 pb_log("%s: %s\n", __func__, cod->name);
141 nc_scr_status_printf(cui->current, "Booting %s...", cod->name);
145 result = cui->on_kexec(cui, cod);
148 redrawwin(cui->current->main_ncw);
152 mvaddstr(1, 0, "system is going down now...");
157 pb_log("%s: failed: %s\n", __func__, cod->kd->image);
158 nc_scr_status_printf(cui->current, "Failed: kexec %s", cod->kd->image);
164 * cui_ked_on_exit - The ked on_exit callback.
167 static void cui_ked_on_exit(struct ked *ked, enum ked_result ked_result,
168 struct pb_kexec_data *kd)
170 struct cui *cui = cui_from_arg(ked->scr.ui_ctx);
172 if (ked_result == ked_update) {
173 struct pmenu_item *i = pmenu_find_selected(cui->main);
174 struct cui_opt_data *cod = cod_from_item(i);
180 talloc_free(cod->kd);
183 name = cui_make_item_name(i, cod);
184 pmenu_item_replace(i, name);
186 /* FIXME: need to make item visible somehow */
187 set_current_item(cui->main->ncm, i->nci);
189 pb_log("%s: updating opt '%s'\n", __func__, cod->name);
190 pb_log(" image '%s'\n", cod->kd->image);
191 pb_log(" initrd '%s'\n", cod->kd->initrd);
192 pb_log(" args '%s'\n", cod->kd->args);
195 cui_set_current(cui, &cui->main->scr);
200 int cui_ked_run(struct pmenu_item *item)
202 struct cui *cui = cui_from_item(item);
203 struct cui_opt_data *cod = cod_from_item(item);
206 ked = ked_init(cui, cod->kd, cui_ked_on_exit);
207 cui_set_current(cui, &ked->scr);
213 * cui_set_current - Set the currently active screen and redraw it.
216 struct nc_scr *cui_set_current(struct cui *cui, struct nc_scr *scr)
220 DBGS("%p -> %p\n", cui->current, scr);
222 assert(cui->current != scr);
228 cui->current->post(cui->current);
233 static int cui_process_key(void *arg)
235 struct cui *cui = cui_from_arg(arg);
237 assert(cui->current);
239 ui_timer_disable(&cui->timer);
240 cui->current->process_key(cui->current);
246 * cui_client_process_socket - Process a socket event from the discover server.
249 static int cui_client_process_socket(void *arg)
251 struct discover_client *client = arg;
253 discover_client_process(client);
258 * cui_handle_timeout - Handle the timeout.
261 static void cui_handle_timeout(struct ui_timer *timer)
263 struct cui *cui = cui_from_timer(timer);
264 struct pmenu_item *i = pmenu_find_selected(cui->main);
268 struct cui_opt_data *cod = cod_from_item(i);
269 assert(cod && (cod->opt_hash == cui->default_item));
276 * cui_handle_resize - Handle the term resize.
279 static void cui_handle_resize(struct cui *cui)
283 if (ioctl(1, TIOCGWINSZ, &ws) == -1) {
284 pb_log("%s: ioctl failed: %s\n", __func__, strerror(errno));
288 pb_log("%s: {%u,%u}\n", __func__, ws.ws_row, ws.ws_col);
290 wclear(cui->current->main_ncw);
291 resize_term(ws.ws_row, ws.ws_col);
292 cui->current->resize(cui->current);
294 /* For some reason this makes ncurses redraw the screen */
296 redrawwin(cui->current->main_ncw);
297 wrefresh(cui->current->main_ncw);
301 * cui_on_open - Open new item callback.
304 void cui_on_open(struct pmenu *menu)
306 unsigned int insert_pt;
307 struct pmenu_item *i;
308 struct cui_opt_data *cod;
310 menu->scr.unpost(&menu->scr);
312 /* This disconnects items array from menu. */
314 set_menu_items(menu->ncm, NULL);
316 /* Insert new items at insert_pt. */
318 insert_pt = pmenu_grow(menu, 1);
319 i = pmenu_item_alloc(menu);
321 i->on_edit = cui_ked_run;
322 i->on_execute = cui_run_kexec;
323 i->data = cod = talloc_zero(i, struct cui_opt_data);
325 cod->name = talloc_asprintf(i, "User item %u:", insert_pt);
326 cod->kd = talloc_zero(i, struct pb_kexec_data);
328 pmenu_item_setup(menu, i, insert_pt, talloc_strdup(i, cod->name));
330 /* Re-attach the items array. */
332 set_menu_items(menu->ncm, menu->items);
334 menu->scr.post(&menu->scr);
335 set_current_item(menu->ncm, i->nci);
341 * cui_device_add - Client device_add callback.
343 * Creates menu_items for all the device boot_options and inserts those
344 * menu_items into the main menu. Redraws the main menu if it is active.
347 static int cui_device_add(struct device *dev, void *arg)
349 struct cui *cui = cui_from_arg(arg);
351 struct boot_option *opt;
352 unsigned int o_count; /* device opts */
353 unsigned int insert_pt;
356 pb_log("%s: %p %s\n", __func__, dev, dev->id);
358 selected = current_item(cui->main->ncm);
360 if (cui->current == &cui->main->scr)
361 cui->current->unpost(cui->current);
363 /* This disconnects items array from menu. */
365 result = set_menu_items(cui->main->ncm, NULL);
368 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
371 list_for_each_entry(&dev->boot_options, opt, list)
374 /* Insert new items at insert_pt. */
376 insert_pt = pmenu_grow(cui->main, o_count);
378 list_for_each_entry(&dev->boot_options, opt, list) {
379 struct pmenu_item *i;
380 struct cui_opt_data *cod;
383 /* Save the item in opt->ui_info for cui_device_remove() */
385 opt->ui_info = i = pmenu_item_alloc(cui->main);
387 i->on_edit = cui_ked_run;
388 i->on_execute = cui_run_kexec;
389 i->data = cod = talloc(i, struct cui_opt_data);
393 cod->opt_hash = pb_opt_hash(dev, opt);
394 cod->name = opt->name;
395 cod->kd = talloc(i, struct pb_kexec_data);
397 cod->kd->image = talloc_strdup(cod->kd, opt->boot_image_file);
398 cod->kd->initrd = talloc_strdup(cod->kd, opt->initrd_file);
399 cod->kd->args = talloc_strdup(cod->kd, opt->boot_args);
401 name = cui_make_item_name(i, cod);
402 pmenu_item_setup(cui->main, i, insert_pt, name);
406 pb_log("%s: adding opt '%s'\n", __func__, cod->name);
407 pb_log(" image '%s'\n", cod->kd->image);
408 pb_log(" initrd '%s'\n", cod->kd->initrd);
409 pb_log(" args '%s'\n", cod->kd->args);
411 /* If this is the default_item select it and start timer. */
413 if (cod->opt_hash == cui->default_item) {
415 ui_timer_kick(&cui->timer);
419 /* Re-attach the items array. */
421 result = set_menu_items(cui->main->ncm, cui->main->items);
424 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
427 pb_log("%s\n", __func__);
428 pmenu_dump_items(cui->main->items,
429 item_count(cui->main->ncm) + 1);
432 /* FIXME: need to make item visible somehow */
433 menu_driver(cui->main->ncm, REQ_SCR_UPAGE);
434 menu_driver(cui->main->ncm, REQ_SCR_DPAGE);
435 set_current_item(cui->main->ncm, selected);
437 if (cui->current == &cui->main->scr)
438 cui->current->post(cui->current);
444 * cui_device_remove - Client device remove callback.
446 * Removes all the menu_items for the device from the main menu and redraws the
447 * main menu if it is active.
450 static void cui_device_remove(struct device *dev, void *arg)
452 struct cui *cui = cui_from_arg(arg);
454 struct boot_option *opt;
456 pb_log("%s: %p %s\n", __func__, dev, dev->id);
458 if (cui->current == &cui->main->scr)
459 cui->current->unpost(cui->current);
461 /* This disconnects items array from menu. */
463 result = set_menu_items(cui->main->ncm, NULL);
466 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
468 list_for_each_entry(&dev->boot_options, opt, list) {
469 struct pmenu_item *i = pmenu_item_from_arg(opt->ui_info);
470 struct cui_opt_data *cod = cod_from_item(i);
472 assert(pb_protocol_device_cmp(dev, cod->dev));
473 pmenu_remove(cui->main, i);
475 /* If this is the default_item disable timer. */
477 if (cod->opt_hash == cui->default_item)
478 ui_timer_disable(&cui->timer);
481 /* Re-attach the items array. */
483 result = set_menu_items(cui->main->ncm, cui->main->items);
486 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
489 pb_log("%s\n", __func__);
490 pmenu_dump_items(cui->main->items,
491 item_count(cui->main->ncm) + 1);
494 if (cui->current == &cui->main->scr)
495 cui->current->post(cui->current);
498 static struct discover_client_ops cui_client_ops = {
499 .device_add = cui_device_add,
500 .device_remove = cui_device_remove,
504 * cui_init - Setup the cui instance.
505 * @platform_info: A value for the struct cui platform_info member.
507 * Returns a pointer to a struct cui on success, or NULL on error.
509 * Allocates the cui instance, sets up the client and stdin waiters, and
510 * sets up the ncurses menu screen.
513 struct cui *cui_init(void* platform_info,
514 int (*on_kexec)(struct cui *, struct cui_opt_data *))
517 struct discover_client *client;
520 cui = talloc_zero(NULL, struct cui);
523 pb_log("%s: alloc cui failed.\n", __func__);
524 fprintf(stderr, "%s: alloc cui failed.\n", __func__);
528 cui->c_sig = pb_cui_sig;
529 cui->platform_info = platform_info;
530 cui->on_kexec = on_kexec;
531 cui->timer.handle_timeout = cui_handle_timeout;
533 /* Loop here for scripts that just started the server. */
535 for (i = 10; i; i--) {
536 client = discover_client_init(&cui_client_ops, cui);
539 pb_log("%s: waiting for server %d\n", __func__, i);
544 pb_log("%s: discover_client_init failed.\n", __func__);
545 fprintf(stderr, "%s: error: discover_client_init failed.\n",
547 fprintf(stderr, "check that pb-discover, "
548 "the petitboot daemon is running.\n");
549 goto fail_client_init;
555 waiter_register(discover_client_get_fd(client), WAIT_IN,
556 cui_client_process_socket, client);
558 waiter_register(STDIN_FILENO, WAIT_IN, cui_process_key, cui);
569 * cui_run - The main cui program loop.
570 * @cui: The cui instance.
571 * @main: The menu to use as the main menu.
573 * Runs the cui engine. Does not return until indicated to do so by some
574 * user action, or an error occurs. Frees the cui object on return.
575 * Returns 0 on success (return to shell), -1 on error (should restart).
578 int cui_run(struct cui *cui, struct pmenu *main, unsigned int default_item)
583 cui->current = &cui->main->scr;
584 cui->default_item = default_item;
586 cui->current->post(cui->current);
589 int result = waiter_poll();
591 if (result < 0 && errno != EINTR) {
592 pb_log("%s: poll: %s\n", __func__, strerror(errno));
599 ui_timer_process_sig(&cui->timer);
601 while (cui->resize) {
603 cui_handle_resize(cui);
609 return cui->abort ? 0 : -1;